Product name: 3-O-methylviridicatin
Systematic name: 2(1H)-Quinolinone, 3-methoxy-4-phenyl-
Molecular formulae: C16H13NO2
Molecular weight: 251
CAS: 6152-57-4
IUPAC name: 3-methoxy-4-phenyl-1H-quinolin-2-one
Monoisotopic mass: 251.095 g/mol
CBNumber: CB11318013
Product discription: 3-O-methylviridicatin is a metabolite produced by several species in the genus, Penicillium. Recently,It was demonstrated to be a strong inhibitor of the tumor necrosis factor alpha (TNF)-induced replication of human immunodeficiency virus (HIV).
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11/09/2011
What is Palladium Chlororide(Ⅱ)
Product name: Palladium Chlororide(Ⅱ)
CAS NO.: 7647-10-1
Molecular formula: PdCl2
Molecular weight: 177.32
Characters: Brown powder, it is soluble in dilute hydrochloric acid.
Description: Palladium Chlororide(Ⅱ) is a dark brown crystals. It is a common starting material in palladium chemistry - palladium-based catalysts are of particular value in organic synthesis.
Palladium Chlororide(Ⅱ) is usually used in catalyst, preparing special catalyst, molecular sieve, preparing non conducting material coating, produce gas sensor. Even when dry, It is able to rapidly stain stainless steel. Thus, palladium(II) chloride solutions are sometimes used to test for the corrosion-resistance of stainless steel.In ddtion, It is mainly used in the manufacture of special catalyst, molecular sieve, production of gas-sensitive element, and so on.
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CAS NO.: 7647-10-1
Molecular formula: PdCl2
Molecular weight: 177.32
Characters: Brown powder, it is soluble in dilute hydrochloric acid.
Description: Palladium Chlororide(Ⅱ) is a dark brown crystals. It is a common starting material in palladium chemistry - palladium-based catalysts are of particular value in organic synthesis.
Palladium Chlororide(Ⅱ) is usually used in catalyst, preparing special catalyst, molecular sieve, preparing non conducting material coating, produce gas sensor. Even when dry, It is able to rapidly stain stainless steel. Thus, palladium(II) chloride solutions are sometimes used to test for the corrosion-resistance of stainless steel.In ddtion, It is mainly used in the manufacture of special catalyst, molecular sieve, production of gas-sensitive element, and so on.
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11/08/2011
About Sulfasalazine
Product name: Sulfasalazine
CAS NO: 599-79-1
Molecular formula: C18H14N4O5S
Molecular weight: 398.394 g/mol
Sulfasalazine is an anti-inflammatory medication that belongs to a class of drugs called sulfa drugs, a derivative of mesalazine (also called 5-aminosalicylic acid, or 5-ASA), used primarily as an anti-inflammatory agent in the treatment of inflammatory bowel disease as well as for rheumatoid arthritis and enthesitis related arthritis like juvenile spondyloarthropathies. It may be abbreviated SSZ.
Sulfasalazine is used in the treatment of inflammatory bowel disease, including ulcerative colitis and Crohn's disease. It is also indicated for use in rheumatoid arthritis and used in other types of inflammatory arthritis (e.g. psoriatic arthritis) where it has a beneficial affect. It is often well tolerated compared to other DMARDS.
Sulfasalazine has also been used successfully to treat cases of idiopathic urticaria that do not respond to antihistamines.
More about: buy Sulfasalazine
CAS NO: 599-79-1
Molecular formula: C18H14N4O5S
Molecular weight: 398.394 g/mol
Sulfasalazine is an anti-inflammatory medication that belongs to a class of drugs called sulfa drugs, a derivative of mesalazine (also called 5-aminosalicylic acid, or 5-ASA), used primarily as an anti-inflammatory agent in the treatment of inflammatory bowel disease as well as for rheumatoid arthritis and enthesitis related arthritis like juvenile spondyloarthropathies. It may be abbreviated SSZ.
Sulfasalazine is used in the treatment of inflammatory bowel disease, including ulcerative colitis and Crohn's disease. It is also indicated for use in rheumatoid arthritis and used in other types of inflammatory arthritis (e.g. psoriatic arthritis) where it has a beneficial affect. It is often well tolerated compared to other DMARDS.
Sulfasalazine has also been used successfully to treat cases of idiopathic urticaria that do not respond to antihistamines.
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What is Bad Antibody (Center)
Product name: Bad Antibody (Center)
Other names: Bcl2 antagonist of cell death; BAD; Bcl-2-binding component 6; Bcl-XL/Bcl-2-associated death promoter; Bcl-2-like 8 protein; BAD; BBC6; BCL2L8.
Immunogen: The antiserum was produced against synthesized peptide derived from human BAD.
Target/Specificity: This Bad antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide selected from the center region of human Bad.
Application notes: (The suggested dilution): ELISA (1:1,000), Western blotting (1:100~500), Immunohistochemistry(1:10~50)
Format: Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.
Storage: Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
Precautions: Bad Antibody (Center) is for research use only and not for use in diagnostic or therapeutic procedures.
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Other names: Bcl2 antagonist of cell death; BAD; Bcl-2-binding component 6; Bcl-XL/Bcl-2-associated death promoter; Bcl-2-like 8 protein; BAD; BBC6; BCL2L8.
Immunogen: The antiserum was produced against synthesized peptide derived from human BAD.
Target/Specificity: This Bad antibody is generated from rabbits immunized with a KLH conjugated synthetic peptide selected from the center region of human Bad.
Application notes: (The suggested dilution): ELISA (1:1,000), Western blotting (1:100~500), Immunohistochemistry(1:10~50)
Format: Purified polyclonal antibody supplied in PBS with 0.09% (W/V) sodium azide. This antibody is purified through a protein A column, followed by peptide affinity purification.
Storage: Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
Precautions: Bad Antibody (Center) is for research use only and not for use in diagnostic or therapeutic procedures.
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11/07/2011
What is Nano SiO2 Slurry
Product name: Nano SiO2 Slurry Dosage: 5-10%
Appearance: White to sky-blue solution
Assay %: min 20
PH: 5-7
Application: In paint: adding with other fillings at the rubbing phases, or disperse in water color slurry firstly and then mix in the latex.
Product description: Nanometer silicon dioxide is a new kind of inorganic materials, because of its extra small size. It has many special characteristics, such as big surface volume, quanta tunnel, and so on. Nanometer silicon dioxide has been widely used in many industrial fields.
Nano SiO2 Slurry has good dispersion and high-content. Comparing with nanometer silicon dioxide powder, nano SiO2 slurry is more convenient to use, such as there is no flying powder pollution, easy to transport and storage.
Storage: dry and cool place, screw down the cover. Avoid mixing with oily material.
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Appearance: White to sky-blue solution
Assay %: min 20
PH: 5-7
Application: In paint: adding with other fillings at the rubbing phases, or disperse in water color slurry firstly and then mix in the latex.
Product description: Nanometer silicon dioxide is a new kind of inorganic materials, because of its extra small size. It has many special characteristics, such as big surface volume, quanta tunnel, and so on. Nanometer silicon dioxide has been widely used in many industrial fields.
Nano SiO2 Slurry has good dispersion and high-content. Comparing with nanometer silicon dioxide powder, nano SiO2 slurry is more convenient to use, such as there is no flying powder pollution, easy to transport and storage.
Storage: dry and cool place, screw down the cover. Avoid mixing with oily material.
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11/04/2011
What is Baicllus
Bacillus is a genus of Gram-positive, rod-shaped bacteria and a member of the division Firmicutes. Bacillus species can be obligate aerobes or facultative anaerobes, and test positive for the enzyme catalase. Ubiquitous in nature, Bacillus includes both free-living and pathogenic species. Under stressful environmental conditions, the cells produce oval endospores that can stay dormant for extended periods. These characteristics originally defined the genus, but not all such species are closely related, and many have been moved to other genera.
Bacilli are an extremely diverse group of bacteria that include both the causative agent of anthrax (Bacillus anthracis) as well as several species that synthesize important antibiotics. In addition to medical uses, bacillus spores, due to their extreme tolerance to both heat and disinfectants, are used to test heat sterilization techniques and chemical disinfectants. Bacilli are also used in the detergent manufacturing industry for their ability to synthesize important enzymes.
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Bacilli are an extremely diverse group of bacteria that include both the causative agent of anthrax (Bacillus anthracis) as well as several species that synthesize important antibiotics. In addition to medical uses, bacillus spores, due to their extreme tolerance to both heat and disinfectants, are used to test heat sterilization techniques and chemical disinfectants. Bacilli are also used in the detergent manufacturing industry for their ability to synthesize important enzymes.
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11/03/2011
What is Bifidobacterium-Bifidum
Product name: Bifidobacterium Bifidunm
Product description: Bifidobacterium bifidum is a probiotic, or a beneficial kind of bacteria. Bifidobacterium bifidum can be added to the diet through the use of supplements or the consumption of yogurt containing live culture.
Bifidobacterium Bifidum is a natural part of the human body. The inclusion of this species in the human body helps to build up the immune system, lower the cholesterol levels, lessens the chance of allergies, aid in digestion and helps to prevent the effects of tumors in colon cancer.
It has been used to help maintain and restore the normal balance of intestinal bacteria when the balance has been upset (e.g., with the use of antibiotics, certain stomach/intestinal conditions). Having a normal balance of intestinal bacteria helps to decrease episodes of diarrhea, protects against undesirable bacteria infecting the gut, and helps with proper food digestion and absorption of vitamins and minerals.Some dietary supplement products have been found to contain possibly harmful impurities/additives.
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Product description: Bifidobacterium bifidum is a probiotic, or a beneficial kind of bacteria. Bifidobacterium bifidum can be added to the diet through the use of supplements or the consumption of yogurt containing live culture.
Bifidobacterium Bifidum is a natural part of the human body. The inclusion of this species in the human body helps to build up the immune system, lower the cholesterol levels, lessens the chance of allergies, aid in digestion and helps to prevent the effects of tumors in colon cancer.
It has been used to help maintain and restore the normal balance of intestinal bacteria when the balance has been upset (e.g., with the use of antibiotics, certain stomach/intestinal conditions). Having a normal balance of intestinal bacteria helps to decrease episodes of diarrhea, protects against undesirable bacteria infecting the gut, and helps with proper food digestion and absorption of vitamins and minerals.Some dietary supplement products have been found to contain possibly harmful impurities/additives.
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11/02/2011
About Anti-MPO (myeloperoxidase)
Product name: Anti-MPO (myeloperoxidase) Specification: 100ul/200ul/1ml
Host: Rabbit
Source: Human
Immunogen: Purified human granulocytic MPO.
Specificity: Recognizes human myeloperoxidase (MPO).
Applications: Suitable for use in Immunohistochemistry. Other applications not tested.
Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months.
Description: Myeloperoxidase is an important enzyme used by granulocytes during phagocytic lysis of engulfed foreign particles. In normal tissues and in a variety of myeloproliferative disorders myeloid cells of both neutrophilic and eosinophilic types, at all stages of maturation, exhibit strong cytoplasmic reactivity for MPO. Erythroid precursors, megakaryocytes, lymphoid cells, mast cells, and plasma cells are nonreactive. MPO is not observed in the neoplastic cells of a wide variety of epithelial tumors and sarcomas. MPO is useful in differentiating between myeloid and lymphoid leukemias.
Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
More about: buy Anti-MPO (myeloperoxidase)
Host: Rabbit
Source: Human
Immunogen: Purified human granulocytic MPO.
Specificity: Recognizes human myeloperoxidase (MPO).
Applications: Suitable for use in Immunohistochemistry. Other applications not tested.
Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months.
Description: Myeloperoxidase is an important enzyme used by granulocytes during phagocytic lysis of engulfed foreign particles. In normal tissues and in a variety of myeloproliferative disorders myeloid cells of both neutrophilic and eosinophilic types, at all stages of maturation, exhibit strong cytoplasmic reactivity for MPO. Erythroid precursors, megakaryocytes, lymphoid cells, mast cells, and plasma cells are nonreactive. MPO is not observed in the neoplastic cells of a wide variety of epithelial tumors and sarcomas. MPO is useful in differentiating between myeloid and lymphoid leukemias.
Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
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What is Lp-a ELISA Kit
Product name: Lp-a ELISA Kit
Advantages: Calibrated against a highly purified, fully validated
Storage: Store all components at 2-8 degree Celsius with the exception of the standard, which should be stored frozen.
Description: Lipoprotein(a) [Lp(a)] is an atherogenic lipoprotein particle formed by assembly of LDL particles and apo(a) bound to apoB-100 component of LDL . Apo(a) is the main constituent of Lp(a), has serine proteinase activity and is able of autoproteolysis . Apo(a) has 4548 amino acids, variable sizes from 200 to 700 kDa, multiple isoforms, and structural homology with plasminogen . It competes with plasminogen for its binding site, inhibiting tissue-type plasminogen activator 1 and leading to reduced fibrinolysis . The mean Lp(a) protein level ranged from 78 to 175 μg/ml depending on populations and the risk threshold is 300 μg/ml. High level of Lp(a) in blood is a risk factor for myocardial infarction (MI), coronary heart disease (CHD), cerebrovascular disease (CVD), atherosclerosis, thrombosis, and stroke .
Immunoassay for quantitative determination of human lipoprotein(a) in serum or plasma.
Dilute each serum or plasma specimen to be tested 1:400 with the Lp(a) specimen diluents provided. (Serum specimens with high Lp(a) levels should be diluted more than 1:400 for accurate Lp(a) determination.) A pre-dilution using PBS (phosphate buffer) may be done followed by a final dilution in specimen diluents to bring the serum or plasma final dilution to 1:400.
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Advantages: Calibrated against a highly purified, fully validated
Storage: Store all components at 2-8 degree Celsius with the exception of the standard, which should be stored frozen.
Description: Lipoprotein(a) [Lp(a)] is an atherogenic lipoprotein particle formed by assembly of LDL particles and apo(a) bound to apoB-100 component of LDL . Apo(a) is the main constituent of Lp(a), has serine proteinase activity and is able of autoproteolysis . Apo(a) has 4548 amino acids, variable sizes from 200 to 700 kDa, multiple isoforms, and structural homology with plasminogen . It competes with plasminogen for its binding site, inhibiting tissue-type plasminogen activator 1 and leading to reduced fibrinolysis . The mean Lp(a) protein level ranged from 78 to 175 μg/ml depending on populations and the risk threshold is 300 μg/ml. High level of Lp(a) in blood is a risk factor for myocardial infarction (MI), coronary heart disease (CHD), cerebrovascular disease (CVD), atherosclerosis, thrombosis, and stroke .
Immunoassay for quantitative determination of human lipoprotein(a) in serum or plasma.
Dilute each serum or plasma specimen to be tested 1:400 with the Lp(a) specimen diluents provided. (Serum specimens with high Lp(a) levels should be diluted more than 1:400 for accurate Lp(a) determination.) A pre-dilution using PBS (phosphate buffer) may be done followed by a final dilution in specimen diluents to bring the serum or plasma final dilution to 1:400.
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11/01/2011
About Jo-1 ELISA Kit
Product name: Jo-1 ELISA Kit Category Name: Autoimmune Disease kits
ELISA method: Enzyme Linked Immunosorbent Assay
Detection Range: Qualitative elisa assay- Positive, Negative and Cut-off
Specificity: 99%
Sensitivity: 100%
Total Time: 60 min
Shelf Life: 12 months
Description: The Diagnostic Automation Jo-1 ELISA kit is intended for the detection and semi-quantization of antibodies to Jo-1 in human sera. The assay is to be used to detect antibodies in a single serum specimen. The results of the assay are to be used as an aid to the diagnosis of autoimmune disease. This is for in vitro diagnostic use.
Circulating antibodies to intra-cellular structures especially to nuclear antigens represent a characteristic feature of Jo-1 ELISA systemic autoimmune diseases. One of those antigens, Jo-1 (Aminoacyl-tRNA Synthetase), was first described in the serum of a myositis patient. A large number of patients with anti-synthetase syndrome suffer from interstitial lung disease, Raynaud’s Phenomenon, mechanic’s hands and arthritis. Anti-Jo-1 antibodies are strongly associated with isolated anti-Ro52 antibodies.
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ELISA method: Enzyme Linked Immunosorbent Assay
Detection Range: Qualitative elisa assay- Positive, Negative and Cut-off
Specificity: 99%
Sensitivity: 100%
Total Time: 60 min
Shelf Life: 12 months
Description: The Diagnostic Automation Jo-1 ELISA kit is intended for the detection and semi-quantization of antibodies to Jo-1 in human sera. The assay is to be used to detect antibodies in a single serum specimen. The results of the assay are to be used as an aid to the diagnosis of autoimmune disease. This is for in vitro diagnostic use.
Circulating antibodies to intra-cellular structures especially to nuclear antigens represent a characteristic feature of Jo-1 ELISA systemic autoimmune diseases. One of those antigens, Jo-1 (Aminoacyl-tRNA Synthetase), was first described in the serum of a myositis patient. A large number of patients with anti-synthetase syndrome suffer from interstitial lung disease, Raynaud’s Phenomenon, mechanic’s hands and arthritis. Anti-Jo-1 antibodies are strongly associated with isolated anti-Ro52 antibodies.
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What is Gregatin
Product name: Gregatin Systematic name: 2-(1,3-Hexadienyl)-4-(3-hydroxy-1-oxobutyl)-5-methoxy-2-methylfuran-3(2H)-one
CBNumber: CB7474170
Molecular formulae: C16H22O5
Molecular weight: 294.34
MOL File: 58845-81-1.mol
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CBNumber: CB7474170
Molecular formulae: C16H22O5
Molecular weight: 294.34
MOL File: 58845-81-1.mol
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10/31/2011
About Anti-HIF-2α （Hypoxia-inducible factor-2α）
Product name: Anti-HIF-2α （Hypoxia-inducible factor-2α） Specification: 100ul/200ul/1ml
Description:
HIF is a heterodimer composed of an α-subunit and a -subunit. Although HIF- is constitutively expressed, its two dimerization partners, HIF-1α and -2α, are rapidly degraded in the presence of oxygen, via the ubiquitin-proteasome system.
Hypoxia contributes significantly to the pathophysiology of major categories of human disease, including myocardial and cerebral ischemia, cancer, pulmonary hypertension, congenital heart disease and chronic obstructive pulmonary disease. HIF-2 alpha is predominantly expressed in highly vascularized tissues of adult humans and endothelial cells of the embryonic and adult mouse, whereas HIF-1alpha functions primarily in extravascular tissues. HIF-2 alpha is also a potent activator of the tie-2 gene, which is known to be selectively expressed in endothelial cells.
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Description:
HIF is a heterodimer composed of an α-subunit and a -subunit. Although HIF- is constitutively expressed, its two dimerization partners, HIF-1α and -2α, are rapidly degraded in the presence of oxygen, via the ubiquitin-proteasome system.
Hypoxia contributes significantly to the pathophysiology of major categories of human disease, including myocardial and cerebral ischemia, cancer, pulmonary hypertension, congenital heart disease and chronic obstructive pulmonary disease. HIF-2 alpha is predominantly expressed in highly vascularized tissues of adult humans and endothelial cells of the embryonic and adult mouse, whereas HIF-1alpha functions primarily in extravascular tissues. HIF-2 alpha is also a potent activator of the tie-2 gene, which is known to be selectively expressed in endothelial cells.
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What is Warfarin metabolite 4
Product name: Warfarin metabolite 4 Molecular formulae: C18H18O4
Molecular weight: 296
Chemical abstracts number: 119465-36-0
Product discription:
Warfarin metabolite 4 is a kind of secondary metabolites.
The metabolism of the clinically utilized, anticoagulant warfarin [4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one] by rat liver microsomes has been investigated. The structure of a new warfarin metabolite [4-hydroxy-3-(3-oxo-1-phenyl-1-butenyl)-2H-1-benzopyran-2-one] (dehydrowarfarin) has been determined by mass spectral comparison with the chemically synthesized compound. The formation of dehydrowarfarin is catalyzed by cytochrome P-450 and is unusual in that the final product is effectively dehydrogenated warfarin.
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Molecular weight: 296
Chemical abstracts number: 119465-36-0
Product discription:
Warfarin metabolite 4 is a kind of secondary metabolites.
The metabolism of the clinically utilized, anticoagulant warfarin [4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-1-benzopyran-2-one] by rat liver microsomes has been investigated. The structure of a new warfarin metabolite [4-hydroxy-3-(3-oxo-1-phenyl-1-butenyl)-2H-1-benzopyran-2-one] (dehydrowarfarin) has been determined by mass spectral comparison with the chemically synthesized compound. The formation of dehydrowarfarin is catalyzed by cytochrome P-450 and is unusual in that the final product is effectively dehydrogenated warfarin.
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10/28/2011
About Anti-Histone H1b(Histone H1.4)
Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene is found in the large histone gene cluster on chromosome 6, it is intronless and encodes a member of the histone H1 family. Transcripts from this gene lack polyA tails but instead contain a palindromic termination element.
The Specification of Anti-Histone H1b(Histone H1.4) include 100ul/200ul/1ml.
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What is Anti-CXC-R3/CD183 (Chemokine receptorC-X-C chemokine receptor type 3)
Specification:100ul/200ul/1ml
Description:
Chemokine receptor CXCR3 is a Gαi protein-coupled receptor in the CXC chemokine receptor family. Other names for CXCR3 are G protein-coupled receptor 9 (GPR9) and CD183.
CXCR3 is able to regulate leukocyte trafficking. Binding of chemokines to CXCR3 induces various cellular responses, most notably integrin activation, cytoskeletal changes and chemotactic migration. CXCR3-ligand interaction attracts Th1 cells and promotes Th1 cell maturation.
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10/27/2011
What is cytochalasin E
cytochalasin is a group of fungal metabolites, combined with intracellular actin filaments can be cut,
combined with the end in the inhibition of actin filaments at the site of polymerization, but the
solution of the microfilament poly no significant impact, and therefore treated with cytochalasin
microfilament grid cells can destroy the structure and prevent the movement of cells that affect the
assembly of actin-specific drugs.
CAS # 36011-19-5
Molecular formula C27H31NO7
Molecular weight 481.55
Crystallization. Melting point 230 ~ 232 ℃. Toxic.
cytochalasin E for biochemical research. Motor protein in the platelet aggregation inhibitor.
content from:
http://www.probioticonline.net
combined with the end in the inhibition of actin filaments at the site of polymerization, but the
solution of the microfilament poly no significant impact, and therefore treated with cytochalasin
microfilament grid cells can destroy the structure and prevent the movement of cells that affect the
assembly of actin-specific drugs.
CAS # 36011-19-5
Molecular formula C27H31NO7
Molecular weight 481.55
Crystallization. Melting point 230 ~ 232 ℃. Toxic.
cytochalasin E for biochemical research. Motor protein in the platelet aggregation inhibitor.
content from:
http://www.probioticonline.net
Application of antibody
1. Immune organization and immune pathology antigens, antibodies in check, such as: the tumor antigen
test, cell apoptosis detection.
2. Check for cellular factors of fluorescence flow cytometric determination.
3. Used for clinical autoimmune disease of DuoZhong antibodies fluorescence inspection, such as: the
nuclear antibody, resisting myocardial enzymes antibodies.
4. White blood cells points antigens immunofluorescence staining.
5. Used for bacteria, viruses, syphilis helicoid, leptospira microbial antigen and antibody and testing.
content from:
http://www.metallochemistry.com
test, cell apoptosis detection.
2. Check for cellular factors of fluorescence flow cytometric determination.
3. Used for clinical autoimmune disease of DuoZhong antibodies fluorescence inspection, such as: the
nuclear antibody, resisting myocardial enzymes antibodies.
4. White blood cells points antigens immunofluorescence staining.
5. Used for bacteria, viruses, syphilis helicoid, leptospira microbial antigen and antibody and testing.
content from:
http://www.metallochemistry.com
Anti CollagenⅩ sale,buy Anti CollagenⅩ
Key Features:
0.5ml or according to test a variety of packaging needs, and provide concentrated liquid or
freeze-dried powder, containing 0.01% NaN3 preservative. β-arrestin 1 protein IgG levels in 2mg/ml.
FITC was purchased from Sigma isomer I, about 70-80ug/ml, 495nm for the maximum absorption, excitation
wavelength 525 nm.
Working concentration:
With 0.01mol / l pH7.4 PBS for 1:20-1:50 dilution.
Save: -20 ℃ can be stored for one year, to avoid repeated freezing and thawing.
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0.5ml or according to test a variety of packaging needs, and provide concentrated liquid or
freeze-dried powder, containing 0.01% NaN3 preservative. β-arrestin 1 protein IgG levels in 2mg/ml.
FITC was purchased from Sigma isomer I, about 70-80ug/ml, 495nm for the maximum absorption, excitation
wavelength 525 nm.
Working concentration:
With 0.01mol / l pH7.4 PBS for 1:20-1:50 dilution.
Save: -20 ℃ can be stored for one year, to avoid repeated freezing and thawing.
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content from:
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Lactobacillus Acidophilus health effects
Adjust the intestinal flora balance, inhibit the proliferation of intestinal microbial poor.
Lactobacillus acidophilus has antagonistic effects on pathogenic microorganisms. Lactobacillus
acidophilus can secrete substances anti-biotin (acidophilus streptozotocin (acidolin), acidophilus
bacteria hormone (acidophilin), lactobacillus (1aetocidon)), on the antagonism of enteric pathogens.
Lactobacillus acidophilus and Bifidobacterium fermentation of a mixture of agents. Intake of milk
containing these two viable food is good for the digestive organs, especially for gastrointestinal
disorders in infants and some long-term oral antibiotics and patients with gastrointestinal dysfunction,
eating food containing both viable fermentation milk, you can quickly restore the normal intestinal
flora balance, inhibit the proliferation of spoilage bacteria, so a good nutritional health.
content from:
http://www.lactic-acid-bacteria.net/
Lactobacillus acidophilus has antagonistic effects on pathogenic microorganisms. Lactobacillus
acidophilus can secrete substances anti-biotin (acidophilus streptozotocin (acidolin), acidophilus
bacteria hormone (acidophilin), lactobacillus (1aetocidon)), on the antagonism of enteric pathogens.
Lactobacillus acidophilus and Bifidobacterium fermentation of a mixture of agents. Intake of milk
containing these two viable food is good for the digestive organs, especially for gastrointestinal
disorders in infants and some long-term oral antibiotics and patients with gastrointestinal dysfunction,
eating food containing both viable fermentation milk, you can quickly restore the normal intestinal
flora balance, inhibit the proliferation of spoilage bacteria, so a good nutritional health.
content from:
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About Enoxaparin sodium
Enoxaparin sodium is a dry, high purity and white powder derived from Heparin Sodium degradation by special process, than extracted and refined. It belongs to anti thrombotic pharmaceutically.
Enoxaparin sodium is a low molecular weight heparin with a high anti-Xa activity. It neither influences platelet aggregation nor binding of fibrinogen to platelet. It is used in the clinical application for prophylaxis of Venous thromboembolism disease (prevention of blood clot formation in the veins) in particular those which may be associated with orthopedic or general surgery. It is also used for the treatment of established deep vein thrombosis, with or without pulmonary embolism, treatment of unstable angina and non-Q-wave myocardial infarction, and ministered con currently with aspirin, and prevention of thrombus in the extra-corporal circulation during hemodialysis.
Enoxaparin sodium is used after knee, hip, or abdominal surgeries to prevent blood clotting. It is also used to treat existing blood clots in the lungs or in the veins.
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Enoxaparin sodium is a low molecular weight heparin with a high anti-Xa activity. It neither influences platelet aggregation nor binding of fibrinogen to platelet. It is used in the clinical application for prophylaxis of Venous thromboembolism disease (prevention of blood clot formation in the veins) in particular those which may be associated with orthopedic or general surgery. It is also used for the treatment of established deep vein thrombosis, with or without pulmonary embolism, treatment of unstable angina and non-Q-wave myocardial infarction, and ministered con currently with aspirin, and prevention of thrombus in the extra-corporal circulation during hemodialysis.
Enoxaparin sodium is used after knee, hip, or abdominal surgeries to prevent blood clotting. It is also used to treat existing blood clots in the lungs or in the veins.
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What is Anti-NGF-β
Product name:Anti-NGF-β
Specification:100ul/200ul/1ml
Description:
Nerve growth factor (NGF) is one of a family of neurotrophins that induce the survival and proliferation of neurons. In cell culture, NGF induces the formation of neurite projections and, in vivo, may stimulate the innervation of tissues. NGF plays a role in the repair, regeneration, and protection of neurons, and as such could serve as a therapeutic agent in neurodegenerative conditions such as Alzheimer's disease. NGF enhances survival, growth, neurotransmitter biosynthesis of sympathetic and sensory neurons; neurotrophic factor; cutaneous innervation; growth, differentiation and survival of B lymphocytes. It also has a possible role in allergy and tissue repair. NGF is found in the hypothalamus, pituitary, thyroid gland, testes, epididymis, vascular smooth muscle cells, fibroblasts, mast cells and eosinophils. NGF is upregulated by glutamate, vitamin D3, IL6, FGF basic, astrocyte specific IL1, TNF alpha, PDGF and TGF beta. It is downregulated by GABAergic neuronal activity, glucocorticoids and Schwann cell-specific TGF beta.
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Specification:100ul/200ul/1ml
Description:
Nerve growth factor (NGF) is one of a family of neurotrophins that induce the survival and proliferation of neurons. In cell culture, NGF induces the formation of neurite projections and, in vivo, may stimulate the innervation of tissues. NGF plays a role in the repair, regeneration, and protection of neurons, and as such could serve as a therapeutic agent in neurodegenerative conditions such as Alzheimer's disease. NGF enhances survival, growth, neurotransmitter biosynthesis of sympathetic and sensory neurons; neurotrophic factor; cutaneous innervation; growth, differentiation and survival of B lymphocytes. It also has a possible role in allergy and tissue repair. NGF is found in the hypothalamus, pituitary, thyroid gland, testes, epididymis, vascular smooth muscle cells, fibroblasts, mast cells and eosinophils. NGF is upregulated by glutamate, vitamin D3, IL6, FGF basic, astrocyte specific IL1, TNF alpha, PDGF and TGF beta. It is downregulated by GABAergic neuronal activity, glucocorticoids and Schwann cell-specific TGF beta.
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About Actinomucor
Sporangia of Actinomucor are more or less globose, walls of terminal sporangia are deliquescent or persistent but secondary sporangia have persistent walls, wall covered with calcium oxalate crystals, split to release spores borne on the apex of the sporangiophore or its main branches, smaller sporangia often formed on short, verticellately arranged branchlets that arise a short distance below the terminal sporangium. Stolons and rhizoids formed.
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What is Ubenimex
Ubenimex, also known as bestatin, is a competitive protease inhibitor. It is an inhibitor of aminopeptidase B, leukotriene A4 hydrolase, aminopeptidase N. It is being studied for use in the treatment of acute myelocytic leukemia.
CAS No. 58970-76-6
Appearance: white crystalline powder
Synonyms: Bestatin; [S-(R*,S*)]-N-(3-Amino-2-hydroxy-1-oxo-4-phenylbuty1)-L-leucine
Molecular Formula C16H24N2O4
Molecular Weight 308.38
EINECS 261-529-2
Melting point 245°C.
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CAS No. 58970-76-6
Appearance: white crystalline powder
Synonyms: Bestatin; [S-(R*,S*)]-N-(3-Amino-2-hydroxy-1-oxo-4-phenylbuty1)-L-leucine
Molecular Formula C16H24N2O4
Molecular Weight 308.38
EINECS 261-529-2
Melting point 245°C.
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Cobalt salts series sale
Cobalt carbonate
Molecular formula: CoCO3
Appearance: gray-red powder, soluble in dilute acid and ammonia solution, insoluble in cold water, hot water decomposition.
Uses: battery materials, feed additives, cobalt pigments, ceramic colorants, raw cobalt salt catalyst.
Cobalt oxide
Molecular formula: CoO
Molecular weight: 74.93
Appearance: gray powder.
Purposes: for paint pigments, ceramic glazes and cobalt catalysts
Cobalt sulfate
Molecular formula: CoSO4.7H20
Molecular Weight: 281.10
Characteristics: pale brown crystals, soluble in water, slightly soluble in ethanol, in the air easily weathered.
Uses: Mainly used in battery and glass enamel coloring. System of cobalt compounds, coatings industry as paint driers.
Cobalt chloride
Molecular formula: CoCl2.6H2O
Molecular Weight: 182.98
Appearance: red or purple crystals, soluble in water.
Uses: used in electroplating, paint driers, ammonia absorption.
Molecular formula: CoCO3
Appearance: gray-red powder, soluble in dilute acid and ammonia solution, insoluble in cold water, hot water decomposition.
Uses: battery materials, feed additives, cobalt pigments, ceramic colorants, raw cobalt salt catalyst.
Cobalt oxide
Molecular formula: CoO
Molecular weight: 74.93
Appearance: gray powder.
Purposes: for paint pigments, ceramic glazes and cobalt catalysts
Cobalt sulfate
Molecular formula: CoSO4.7H20
Molecular Weight: 281.10
Characteristics: pale brown crystals, soluble in water, slightly soluble in ethanol, in the air easily weathered.
Uses: Mainly used in battery and glass enamel coloring. System of cobalt compounds, coatings industry as paint driers.
Cobalt chloride
Molecular formula: CoCl2.6H2O
Molecular Weight: 182.98
Appearance: red or purple crystals, soluble in water.
Uses: used in electroplating, paint driers, ammonia absorption.
aspyrone physical properties, chemical properties
CAS: 17398-00-4
Molecular formula: C9H12O4
Molecular Weight: 184.1892
Density: 1.313g/cm3
Boiling Point: 383.5 ° C at 760 mmHg
Flash point: 159.3 ° C
Vapor Pressure: 1.85E-07mmHg at 25 ° C
Lleida, Spain Research Center has found that ochratoxin metabolites Aspyrone prevention and treatment of
citrus brown metabolites aspyrone other Phytophthora pathogens effectively.
Molecular formula: C9H12O4
Molecular Weight: 184.1892
Density: 1.313g/cm3
Boiling Point: 383.5 ° C at 760 mmHg
Flash point: 159.3 ° C
Vapor Pressure: 1.85E-07mmHg at 25 ° C
Lleida, Spain Research Center has found that ochratoxin metabolites Aspyrone prevention and treatment of
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Leptospira ELISA Kit use instructions
1. In the storage and incubation process avoid exposure to strong light will reagents. All reagent
bottle caps must cover tightly to prevent evaporation and pollution, reagent avoid microbial pollution
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that the specimen from the standard /, enzyme combined or substrate, the first hole and the last hole
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bottle caps must cover tightly to prevent evaporation and pollution, reagent avoid microbial pollution
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2. Be careful drain reagent and strictly abide by the given incubation time and temperature. Please note
that the specimen from the standard /, enzyme combined or substrate, the first hole and the last hole
and the time interval between the sample if too big, will lead to different "advance incubation" time,
which obviously affect the accuracy of the measurement values and repeatability. And, washing not fully
will influence test results.
3. Kit save, part of the reagents store in 20 ℃-part of the reagents store in 2-8 ℃, specific to
label) on the shall prevail.
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what is Tacrolimus
Tacrolimus is FK506, is extracted from a soil fungus macrolide antibiotic, has strong immunosuppressive
properties, is the strength of its drug cyclosporin A, 10-100 times, arise prevention of organ
transplant rejection is better than cyclosporine.
Tacrolimus is only applied to the clinical history of more than ten years, the time is shorter.
Therefore, in some respects (Pharmacology and Toxicology) study is not comprehensive enough. The main
side effects of Tacrolimus nephrotoxicity, neurotoxicity, and circulatory system, digestive system,
respiratory system and cardiovascular system function. Tacrolimus can induce diabetes (odds of about 10%
to 30%), can cause severe ketoacidosis. Tacrolimus-related incidence of hypertension than CsA
significantly reduced. Tacrolimus and CsA with rapamycin compared with rapamycin is a calmodulin does
not interact with the new immunosuppressive agents, is considered to have no effect on blood pressure.
Immunosuppressant macrolides (including FK506 and rapamycin, etc.) not only orally, but also for
external use, mainly for some skin diseases such as atopic dermatitis, psoriasis, lichen planus, contact
dermatitis and bald spots, etc. have a certain effect. In addition, "Arthritis and Rheumatism" magazine
(Arthritis Rheum 2003; 48:3328-3337) 12, says a report released last month, immunosuppressant tacrolimus
in 2 or 3mg / day dose of a single treatment of active rheumatoid arthritis (RA) appears safe and
effective, but usually larger doses greater improvements.
properties, is the strength of its drug cyclosporin A, 10-100 times, arise prevention of organ
transplant rejection is better than cyclosporine.
Tacrolimus is only applied to the clinical history of more than ten years, the time is shorter.
Therefore, in some respects (Pharmacology and Toxicology) study is not comprehensive enough. The main
side effects of Tacrolimus nephrotoxicity, neurotoxicity, and circulatory system, digestive system,
respiratory system and cardiovascular system function. Tacrolimus can induce diabetes (odds of about 10%
to 30%), can cause severe ketoacidosis. Tacrolimus-related incidence of hypertension than CsA
significantly reduced. Tacrolimus and CsA with rapamycin compared with rapamycin is a calmodulin does
not interact with the new immunosuppressive agents, is considered to have no effect on blood pressure.
Immunosuppressant macrolides (including FK506 and rapamycin, etc.) not only orally, but also for
external use, mainly for some skin diseases such as atopic dermatitis, psoriasis, lichen planus, contact
dermatitis and bald spots, etc. have a certain effect. In addition, "Arthritis and Rheumatism" magazine
(Arthritis Rheum 2003; 48:3328-3337) 12, says a report released last month, immunosuppressant tacrolimus
in 2 or 3mg / day dose of a single treatment of active rheumatoid arthritis (RA) appears safe and
effective, but usually larger doses greater improvements.
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what is euxyl pe 9010 msds
euxyl ® PE 9010 is a liquid cosmetic preservative based on phenoxyethanol and ethylhexylglycerin. The
addition of ethylhexylglycerin affects the interfacial tension at the cell membrane of microorganisms,
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addition of ethylhexylglycerin affects the interfacial tension at the cell membrane of microorganisms,
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uses of fatty acids
Fatty acids with long hydrocarbon chain carboxylic acid. Usually in the form of esters of various lipid components to form free fatty acids in nature are rare, the most common fatty acids in the table below. Most fatty acids containing an even number of carbon atoms, because they are usually from 2 carbon units biosynthesis. Higher animals and plants the most abundant fatty acids containing 16 or 18 carbon atoms, such as palmitic acid (palmitic acid), oleic acid, linoleic acid and stearic acid. More than half of animal and plant lipid fatty acids as unsaturated fatty acids containing double bonds, and often more than double bonds of unsaturated fatty acids. Bacterial fatty acid double bonds, but often there is little hydroxylation, or contain branched chain, or containing cyclopropane ring structure. Some vegetable oils and waxes containing unusual fatty acids. Unsaturated fatty acids must have a double bond at C (9) and C (10) between (starting from the carboxyl carbon atoms). Fatty acid cis-double bond is almost always the geometry, which allows the hydrocarbon chain of unsaturated fatty acids, about 30 ° bend, interfere with the accumulation time they fill space efficiently, results in reduced van der Waals interactions, giving the melting point of fatty acids with its degree of unsaturation increases. Lipid mobility with the unsaturated fatty acids increase, the nature of this phenomenon on the membrane have a major impact. Saturated fatty acids are very flexible molecules, in theory, each C-C bonds around relatively freely able to rotate, and thus a wide range of some conformation. However, its fully extended conformation with the energy of the smallest, most stable; because the conformation of the methylene adjacent to steric hindrance between the minimum. And most of the substances, the melting point of saturated fatty acids with the molecular weight increases.
Animals can synthesize saturated fatty acids and linoleic acid required to contain only one type of double bonds of unsaturated fatty acids, containing two or more double bonds or more double bond fatty acids must be obtained from plants, so the latter said for the essential fatty acids, linolenic acid and linoleic acid in which the most important. Arachidonic acid from linoleic acid generation. Arachidonic acid is the precursor of most prostaglandins, prostaglandin can regulate cell function is hormone-like substances.
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Animals can synthesize saturated fatty acids and linoleic acid required to contain only one type of double bonds of unsaturated fatty acids, containing two or more double bonds or more double bond fatty acids must be obtained from plants, so the latter said for the essential fatty acids, linolenic acid and linoleic acid in which the most important. Arachidonic acid from linoleic acid generation. Arachidonic acid is the precursor of most prostaglandins, prostaglandin can regulate cell function is hormone-like substances.
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what is Lactococcus
Shape description: cells were spherical or oval, 0.5 ~ 1.2μm × 0.5 ~ 1.5μm, in the liquid medium in
pairs and short chains. Can not have spores, Gram-positive. No movement, no capsule. Facultative
anaerobic. Technology can be heterotrophic fermentation metabolism, with some carbohydrate fermentation
acid to L (+) – lactic acid-based, no gas. Complex nutritional requirements, contact-negative, oxidase
negative. Optimum temperature 30 ℃, 10 ℃ in growth, no growth at 45 ℃, 0.5% NaCl, usually Lancefield
serogroups N. Found in dairy products and plant products.
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pairs and short chains. Can not have spores, Gram-positive. No movement, no capsule. Facultative
anaerobic. Technology can be heterotrophic fermentation metabolism, with some carbohydrate fermentation
acid to L (+) – lactic acid-based, no gas. Complex nutritional requirements, contact-negative, oxidase
negative. Optimum temperature 30 ℃, 10 ℃ in growth, no growth at 45 ℃, 0.5% NaCl, usually Lancefield
serogroups N. Found in dairy products and plant products.
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Teicoplanin Role and purpose
This product is similar to vancomycin with the new glycopeptide antibiotic, its antibacterial spectrum and antibacterial activity similar to vancomycin. The role of S. aureus more than vancomycin, fewer adverse reactions. The product of Gram-positive bacteria such as staphylococcus, streptococcus, enterococcus, and anaerobic-positive bacteria most sensitive. Mainly used in clinical Staphylococcus aureus and Streptococcus and other serious infections caused by susceptible strains, such as endocarditis, osteomyelitis, sepsis and respiratory tract, urinary tract, skin, soft tissue infections.
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Cryptosporidium ELISA Kit use
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The use of monoclonal antibody
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New secalonic acid derivatives D69 D human breast cancer in vivo inhibitory activity
Traditional anti-cancer drugs are generally derived from natural plants and terrestrial microorganisms
land extraction, but as the decades long development of new land to be developed less and less
probability of active substances, but also increasingly difficult greater. As a result, people want to
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D species diversity in structure and better anti-tumor active substances. D69 is derived from a marine
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ring and the five chromophore, is a new type of rye acid derivatives D . Through its potential in vivo
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probability of active substances, but also increasingly difficult greater. As a result, people want to
be isolated from the marine new active substances. Since the beginning of the 1950s, with the
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what is β-Defensin-2 (human recombinant)
The β-defensins are small, cysteine-rich, cationic peptides expressed throughout the epithelia of many organs. Expression of these defensin genes is regulated in response to infection and inflammation. β-defensins play important roles along with α-defensins in the human primary defense system against infection. They have been reported to link innate and adaptive immunity by attracting immature dendritic cells and memory T-cells. The antimicrobial, antiviral, and immunomodulatory properties of β-defensins increase resistance to infection. Due to their unique mechanism of action, β-defensins are expected to be ideal therapeutic agents as peptide antibiotics, mitigating the problem of acquired resistance.
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what is β-Defensin-2 (human recombinant)
The β-defensins are small, cysteine-rich, cationic peptides expressed throughout the epithelia of many organs. Expression of these defensin genes is regulated in response to infection and inflammation. β-defensins play important roles along with α-defensins in the human primary defense system against infection. They have been reported to link innate and adaptive immunity by attracting immature dendritic cells and memory T-cells. The antimicrobial, antiviral, and immunomodulatory properties of β-defensins increase resistance to infection. Due to their unique mechanism of action, β-defensins are expected to be ideal therapeutic agents as peptide antibiotics, mitigating the problem of acquired resistance.
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Polymyxin B Sulphate Suppliers,Polymyxin B Sulphate for sale online
Product name:Polymyxin B Sulphate
Specification:USP/EP DMF
Molecular Formula: C56H98N16O13.H2SO4
Molecular Weight: 1301.56
Appearance: White or almost white powder
pH(0.5%): 5.0-7.5
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How to Prevent Nocardia Infections
The following steps show you how to prevent Nocardia infection.
1, using trimethoprim-sulfamethoxazole (TMP-SMX) as prophylaxis in patients with AIDS, chronic granulomatous disease and other diseases immunocompromising. This is usually for the purposes of prevention of Pneumocystis pneumonia. Be aware that this therapy can reduce the symptoms of Nocardia and complicate a diagnosis.
2, use of chronic suppressive therapy with TMP-SMX to prevent recurrence of Nocardia infection. Recurrence of infection is the most common complication of nocardiosis so it is very important to complete the entire treatment. A CD4 cell count below 200 cells / ml should decrease the incidence of nocardiosis in these patients.
3rd Treat mild cases for at least six weeks, while severe infections may need to be treated for one year. All treatment should be continued until at least one month after all signs of infection have subsided.
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5, Consider the use of corticosteroids in the prevention of pulmonary nocardiosis. AIDS drugs in the smallest doses and for the shortest time that is effective should be used.
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1, using trimethoprim-sulfamethoxazole (TMP-SMX) as prophylaxis in patients with AIDS, chronic granulomatous disease and other diseases immunocompromising. This is usually for the purposes of prevention of Pneumocystis pneumonia. Be aware that this therapy can reduce the symptoms of Nocardia and complicate a diagnosis.
2, use of chronic suppressive therapy with TMP-SMX to prevent recurrence of Nocardia infection. Recurrence of infection is the most common complication of nocardiosis so it is very important to complete the entire treatment. A CD4 cell count below 200 cells / ml should decrease the incidence of nocardiosis in these patients.
3rd Treat mild cases for at least six weeks, while severe infections may need to be treated for one year. All treatment should be continued until at least one month after all signs of infection have subsided.
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ATO powder main application areas
ATO (Antimony Tin Oxide) nano ultrafine powder particles with the field of semiconductor non-resistance transparent conductive, can be applied to all kinds of glass, plastics and resins play a variety of transparent, conductive, anti-static radiation across the UV and infrared effect.
ATO powder for industrial, life in a very wide use of a transparent conductive, antistatic, insulation, anti-ultraviolet functions of raw materials, many units in the course of the dispersion of powder due to technical limitations can not be applied to a variety of ATO vector, making the ATO’s application of the market greatly reduced.
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What is a Calcium Channel?
A calcium channel is a structure in the body, the cells to transmit electrical charges can be mutually exclusive. These fees are performed on a calcium ion, which can travel freely back and forth through the calcium channel. There are a number of different types of calcium channels in order to break the speed and how they behave. This anatomical structure is part of a family of similar structures known collectively as ion channels.
Calcium channels are found in places such as muscles, neurons and glial cells. These types of cells are known as "excitable" cells. Different calcium channels are working in different ways, but the general idea is that the structure of proteins, which is made sensitive to electrical impulses. When proteins receive the right signal, they open the calcium-channel so that an ion flow to the channel in another cell.
Ions carry a small electrical charge that can stimulate such a thing as muscle contraction, the release of a hormone or the firing of a neurotransmitter. At any given time thousands of ions to the calcium channels of the body are moving, signals of different activities, ranging from strokes to heart talk. Different types of calcium channels behave a little differently, react or sensitive to certain types of calcium ions, so that the body greater control over how and when these structures are active.
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Calcium channels are found in places such as muscles, neurons and glial cells. These types of cells are known as "excitable" cells. Different calcium channels are working in different ways, but the general idea is that the structure of proteins, which is made sensitive to electrical impulses. When proteins receive the right signal, they open the calcium-channel so that an ion flow to the channel in another cell.
Ions carry a small electrical charge that can stimulate such a thing as muscle contraction, the release of a hormone or the firing of a neurotransmitter. At any given time thousands of ions to the calcium channels of the body are moving, signals of different activities, ranging from strokes to heart talk. Different types of calcium channels behave a little differently, react or sensitive to certain types of calcium ions, so that the body greater control over how and when these structures are active.
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Apigenin use
Apigenin inhibit the carcinogenic activity of carcinogenic substances; as a treatment for HIV and other viral infections antiviral; MAP kinase inhibitors; treatment of inflammation; antioxidants; calm, soothe the nerves; Buck. And other flavonoids (quercetin, kaempferol flavonoids) compared with low toxicity, no mutagenic characteristics.
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Pancreatic amylase ELISA kit
From pig, ox, sheep and other animals in the pancreas of amylase. The enzyme in addition to contain trypsin outside, still contains some other hydrolysis enzyme, such as the pancreatic amylase, pancreatic lipase and pancreatic curd protease and phosphatase, etc. One of the pancreatic amylase can decompose for dextrin sugar and starch, it and pancreatic enzyme to complete other pancreatic physiology function. In the medicine preparation on widely used to treat the digestive system obstacle.
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ELISA reagents and enzymes
ELISA enzyme should be used to meet the following requirements: high purity, catalytic conversion rate, specificity and strong, stable nature
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In ELISA, the commonly used enzyme horseradish peroxidase (horseradish peroxidase, HRP) and alkaline phosphate
Acid enzyme (alkaline phosohatase, AP). ELISA reagents in a few commodities, the application of the enzyme glucose oxidase still
Enzyme, β-D-galactosidase and urease enzymes.
Made ELISA reagents are generally prepared with the HRP conjugate. HRP is a glycoprotein, is about 18% sugar, divided
Molecular weight of 44,000, is a complex enzyme, the main enzyme (enzyme protein) and cofactor (heme) combination is a
Kinds of porphyrin proteins. The main enzyme colorless glycoprotein in 275nm wavelength of maximum absorption, the iron cofactor is dark brown porphyrin
Ring in the 403nm wavelength of the highest peaks. The purity of HRP with RZ (Reinheit Zahl, German, meaning purity
Number) that the 403nm absorbance and 280nm absorbance ratio, high purity of HRP RZ ≥? .0.
HRP ELISA in addition to meeting the above requirements marker enzyme, more affordable and more stable nature of the characteristics. Value
Of note is that in the selection of enzymes, in addition to its purity RZ, but also should be noted that enzyme activity. Enzymes such as the preservation of high purity does not
When, energy will be reduced. Enzyme activity in enzyme units contained, the role of substrate available products generated after
Determination of the amount tested.
Many foreign countries use alkaline phosphatase ELISA reagents (AP) as a marker enzyme. There are two common sources of the AP, respectively,
From E. coli and calf intestinal membrane extract. Biochemical characteristics of enzymes from different sources slightly different features, extracted from E. coli
The AP molecular weight of 80,000, the most suitable enzyme at pH 8.0; extract with calf intestinal membrane molecular weight of the AP
100000, at pH 9.6. In the ELISA, AP sensitivity of the system is generally higher than HRP system, compared with the blank value
Low, but the AP is expensive to prepare conjugates with low income rate than HRP.
3.2.2 antigen and antibody
Preparation of antibody conjugates generally are used when high purity of the IgG, in order to avoid linking with the enzyme protein, other miscellaneous dry
Interference. Best pure antibody affinity chromatography, so are all conjugate with specific immune activity in the high thin
Address the degree of reaction, the end results of the pale. As with F (ab ') 2 is marked, more samples can avoid RF interference.
ELISA antigen in the ELISA using small model, the total requirement is antigen must be of high purity.
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Specimen does not exist in the same subjects enzymes. In addition, it is easy to prepare the corresponding substrate and preservation, inexpensive, non-ferrous production
Easy to measure such things.
In ELISA, the commonly used enzyme horseradish peroxidase (horseradish peroxidase, HRP) and alkaline phosphate
Acid enzyme (alkaline phosohatase, AP). ELISA reagents in a few commodities, the application of the enzyme glucose oxidase still
Enzyme, β-D-galactosidase and urease enzymes.
Made ELISA reagents are generally prepared with the HRP conjugate. HRP is a glycoprotein, is about 18% sugar, divided
Molecular weight of 44,000, is a complex enzyme, the main enzyme (enzyme protein) and cofactor (heme) combination is a
Kinds of porphyrin proteins. The main enzyme colorless glycoprotein in 275nm wavelength of maximum absorption, the iron cofactor is dark brown porphyrin
Ring in the 403nm wavelength of the highest peaks. The purity of HRP with RZ (Reinheit Zahl, German, meaning purity
Number) that the 403nm absorbance and 280nm absorbance ratio, high purity of HRP RZ ≥? .0.
HRP ELISA in addition to meeting the above requirements marker enzyme, more affordable and more stable nature of the characteristics. Value
Of note is that in the selection of enzymes, in addition to its purity RZ, but also should be noted that enzyme activity. Enzymes such as the preservation of high purity does not
When, energy will be reduced. Enzyme activity in enzyme units contained, the role of substrate available products generated after
Determination of the amount tested.
Many foreign countries use alkaline phosphatase ELISA reagents (AP) as a marker enzyme. There are two common sources of the AP, respectively,
From E. coli and calf intestinal membrane extract. Biochemical characteristics of enzymes from different sources slightly different features, extracted from E. coli
The AP molecular weight of 80,000, the most suitable enzyme at pH 8.0; extract with calf intestinal membrane molecular weight of the AP
100000, at pH 9.6. In the ELISA, AP sensitivity of the system is generally higher than HRP system, compared with the blank value
Low, but the AP is expensive to prepare conjugates with low income rate than HRP.
3.2.2 antigen and antibody
Preparation of antibody conjugates generally are used when high purity of the IgG, in order to avoid linking with the enzyme protein, other miscellaneous dry
Interference. Best pure antibody affinity chromatography, so are all conjugate with specific immune activity in the high thin
Address the degree of reaction, the end results of the pale. As with F (ab ') 2 is marked, more samples can avoid RF interference.
ELISA antigen in the ELISA using small model, the total requirement is antigen must be of high purity.
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9/06/2011
what is humectant
A humectant is a hygroscopic substance. It is often a molecule with several hydrophilic groups, most often hydroxyl groups, but amines and carboxyl groups, sometimes esterified, can be encountered as well; the affinity to form hydrogen bonds with molecules of water is crucial here.
Since hygroscopic substances absorb water from the air, they are frequently used in desiccation or for humidity buffering.
When used as a food additive, thehumectant has the effect of keeping the foodstuff moist.Humectants are sometimes used as a component of antistatic coatings for plastics. Humectants are also found in many cosmetic products where moisturization is desired, including treatments such as moisturizing hair conditioners and also commonly used in body lotions.
Humectants are also used in the manufacture of some cigarettes and other tobacco products.
Humectants are also used in topical dosage forms to increase the solubility of the active ingredient, to elevate its skin penetration and increase its activity time. It also elevate the hydration of the skin to minimize the dehydrating effect of some active ingredients like corticoids.
Examples of humectants include glycerol, propylene glycol (E1520), and glyceryl triacetate (E1518). Others can be sugar polyols like sorbitol (E420), xylitol, and maltitol (E965), polymeric polyols like polydextrose (E1200), or natural extracts like quillaia (E999), lactic acid, or urea.
The chemical compound lithium chloride is an excellent humectant, but is toxic.
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Since hygroscopic substances absorb water from the air, they are frequently used in desiccation or for humidity buffering.
When used as a food additive, thehumectant has the effect of keeping the foodstuff moist.Humectants are sometimes used as a component of antistatic coatings for plastics. Humectants are also found in many cosmetic products where moisturization is desired, including treatments such as moisturizing hair conditioners and also commonly used in body lotions.
Humectants are also used in the manufacture of some cigarettes and other tobacco products.
Humectants are also used in topical dosage forms to increase the solubility of the active ingredient, to elevate its skin penetration and increase its activity time. It also elevate the hydration of the skin to minimize the dehydrating effect of some active ingredients like corticoids.
Examples of humectants include glycerol, propylene glycol (E1520), and glyceryl triacetate (E1518). Others can be sugar polyols like sorbitol (E420), xylitol, and maltitol (E965), polymeric polyols like polydextrose (E1200), or natural extracts like quillaia (E999), lactic acid, or urea.
The chemical compound lithium chloride is an excellent humectant, but is toxic.
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what is Coating materials
Coating materials are applied in a thin film to provide protection or decoration to a surface. Most films are thin in comparison to the workpiece. In order to achieve the desired characteristics from the thin film, the coating material fon-nulation must be carefully considered in relation to the part characteristics, surface preparation, application technique and curing method. The correct combination of components and process steps can lead to a film that provides long-lasting beauty and defense against the elements. Coatings can be formulated from a wide variety of chemicals and materials or a combination of different chemicals. Each component in the formulation serves a specific fiinction.
more about:
Coating material Suppliers,Coating material Prices,Coating material for sale on nanopro-nano.com
more about:
Coating material Suppliers,Coating material Prices,Coating material for sale on nanopro-nano.com
what is FABP5 (murine recombinant)
Fatty acid-binding protein, epidermal is a protein that in humans is encoded by the FABP5 gene.
This gene encodes the fatty acid binding protein found in epidermal cells, and was first identified as being upregulated in psoriasis tissue. Fatty acid binding proteins are a family of small, highly conserved, cytoplasmic proteins that bind long-chain fatty acids and other hydrophobic ligands. It is thought that FABPs roles include fatty acid uptake, transport, and metabolism.FABP5 has been shown to interact with S100A7.
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This gene encodes the fatty acid binding protein found in epidermal cells, and was first identified as being upregulated in psoriasis tissue. Fatty acid binding proteins are a family of small, highly conserved, cytoplasmic proteins that bind long-chain fatty acids and other hydrophobic ligands. It is thought that FABPs roles include fatty acid uptake, transport, and metabolism.FABP5 has been shown to interact with S100A7.
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What is Baicalin ?
Baicalin is a flavone, a type of flavonoid. It is found in several species in the genus Scutellaria, including Scutellaria lateriflora (blue skullcap). There are 10 mg/g baicalin in Scutellaria galericulata (common skullcap) leaves[1]. It is a component of Chinese medicinal herb Huang-chin (Scutellaria baicalensis).
It is one of the active ingredients of Sho-Saiko-To, an herbal supplement believed to enhance liver health.
Baicalin is the glucuronide of baicalein.
Baicalin is a known prolyl endopeptidase inhibitor[ and affects the GABA receptors.
It is one of the active ingredients of Sho-Saiko-To, an herbal supplement believed to enhance liver health.
Baicalin is the glucuronide of baicalein.
Baicalin is a known prolyl endopeptidase inhibitor[ and affects the GABA receptors.
what is Xanthomonas?
Xanthomonas is a genus of Proteobacteria, many of which cause plant diseases. Most varieties of Xanthomonas are available from the National Collection of Plant Pathogenic Bacteria (NCPPB) in the United Kingdom and other international culture collections such as ICMP in New Zealand, CFBP in France, and VKM in Russia. It is also taken out from M.T.C.C. India.
How should Tacrolimus be used?
Tacrolimus comes as a capsule to take by mouth. It is usually taken twice a day. Space your doses 12 hours apart, and take tacrolimus at the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take tacrolimus exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Your doctor will monitor you carefully and adjust your dose as needed. Talk to your doctor often about how you are feeling during your treatment. Ask your doctor if you have any questions about how much tacrolimus you should take.
Tacrolimus can only prevent rejection of your transplant as long as you are taking the medication. Continue to take tacrolimus even if you feel well. Do not stop taking tacrolimus without talking to your doctor
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8/10/2011
polycrystalline silicon properties
Polycrystalline silicon is a kind of new form. Molten elemental silicon in cold conditions, the silicon atom to clot grid work arranged in a form of diamond nucleation, such as these forms many grow the grain and different faces orientation is the grain together, into polycrystalline silicon crystals. Polycrystalline silicon can be control of raw materials, polycrystalline silicon and monocrystalline silicon difference is mainly manifested in the physical properties. For example, in the mechanical properties, optical properties and thermal properties of the anisotropic aspects, rather than monocrystalline silicon is obvious; In the electrical properties, polycrystalline silicon crystals in the conductivity of the much less significant, and even almost no single crystal silicon electrical conductivity. In the chemical activity, two tiny differences. Polycrystalline and monocrystalline silicon can be distinguished from the outside, but the real identify must through the analysis of protein crystal orb direction, conductive type and resistivity, etc.
Polycrystalline silicon properties: grey metallic luster. Density 2.32 ~ 2.34. Melting point 1410 ℃. Boiling point 2355 ℃. Soluble in hydrofluoric acid and nitric acid in the mix, insoluble in water, nitric acid and hydrochloric acid. Hardness between ge and quartz, room temperature between very brittle, cutting apart easily. Heated to 800 ℃ above 1300 ℃ is ductility, show obvious when deformation. Under normal temperature, high temperature not lively with oxygen, nitrogen, and sulfur and reaction. High temperature melting state, has large chemical lively and sex, can and almost any material role. Has the properties of semiconductor, is a very important excellent semiconductor materials, but trace impurities can greatly affect its electrical conductivity. Electronic industry are widely used in the manufacturing of transistor radio, tape recorder, refrigerators, TVS, VCRS, electronic computers and other base materials. Silicon powder and dry by dry gas hydrogen in certain conditions, then through condensation, chlorinated distillation, reduction.
more about:Use of polysilicon
Polycrystalline silicon properties: grey metallic luster. Density 2.32 ~ 2.34. Melting point 1410 ℃. Boiling point 2355 ℃. Soluble in hydrofluoric acid and nitric acid in the mix, insoluble in water, nitric acid and hydrochloric acid. Hardness between ge and quartz, room temperature between very brittle, cutting apart easily. Heated to 800 ℃ above 1300 ℃ is ductility, show obvious when deformation. Under normal temperature, high temperature not lively with oxygen, nitrogen, and sulfur and reaction. High temperature melting state, has large chemical lively and sex, can and almost any material role. Has the properties of semiconductor, is a very important excellent semiconductor materials, but trace impurities can greatly affect its electrical conductivity. Electronic industry are widely used in the manufacturing of transistor radio, tape recorder, refrigerators, TVS, VCRS, electronic computers and other base materials. Silicon powder and dry by dry gas hydrogen in certain conditions, then through condensation, chlorinated distillation, reduction.
more about:Use of polysilicon
8/03/2011
Use of polysilicon
Polycrystalline silicon is a kind of new form. Molten elemental silicon in cold conditions, the silicon atom to clot grid work arranged in a form of diamond nucleation, such as these forms many grow the grain and different faces orientation is the grain together, into polycrystalline silicon crystals. Polycrystalline silicon can be control of raw materials, polycrystalline silicon and monocrystalline silicon difference is mainly manifested in the physical properties. For example, in the mechanical properties, optical properties and thermal properties of the anisotropic aspects, rather than monocrystalline silicon is obvious; In the electrical properties, polycrystalline silicon crystals in the conductivity of the much less significant, and even almost no single crystal silicon electrical conductivity. In the chemical activity, two tiny differences. Polycrystalline and monocrystalline silicon can be distinguished from the outside, but the real identify must through the analysis of protein crystal orb direction, conductive type and resistivity, etc.
At present, crystalline silicon materials (including polycrystalline and monocrystalline silicon) is the main photovoltaic material, its market share in 90% above, and in the next a long time also is still the mainstream of solar cells material. Polycrystalline silicon production technology for a long time is in the U.S., Japan, Germany, etc. Of the three countries seven company 10 factories, forming technology blockade, hand the condition of the market monopoly.
The demand of polysilicon mainly comes from the semiconductor and solar cells. According to the different requirements for purity, divided into electronic level and the sun energy level. Among them, used in electronic level of about 55%, the sun polysilicon polysilicon accounted for 45%, with energy photovoltaic industry in the rapid development of polycrystalline silicon solar cells, and the speed of growth in the demand for higher than the development of semiconductor polysilicon, predicts 2008 solar polycrystalline silicon the demand for more than electronic level polycrystalline silicon.
more about:Polysilicon
content from:http://www.silicon-products.com
At present, crystalline silicon materials (including polycrystalline and monocrystalline silicon) is the main photovoltaic material, its market share in 90% above, and in the next a long time also is still the mainstream of solar cells material. Polycrystalline silicon production technology for a long time is in the U.S., Japan, Germany, etc. Of the three countries seven company 10 factories, forming technology blockade, hand the condition of the market monopoly.
The demand of polysilicon mainly comes from the semiconductor and solar cells. According to the different requirements for purity, divided into electronic level and the sun energy level. Among them, used in electronic level of about 55%, the sun polysilicon polysilicon accounted for 45%, with energy photovoltaic industry in the rapid development of polycrystalline silicon solar cells, and the speed of growth in the demand for higher than the development of semiconductor polysilicon, predicts 2008 solar polycrystalline silicon the demand for more than electronic level polycrystalline silicon.
more about:Polysilicon
content from:http://www.silicon-products.com
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