L-arginine is an amino acid. Necessary for the production of protein Helps rid the body of ammonia Stimulates the release of insulin Used to make nitric oxide Substrate of nitric oxide synthase, which is converted to citrulline and nitric oxide (NO). Induces insulin release by a…

Ammonium acetate is a widely used reagent in molecular biology and chromatography. Its applications include the purification and precipitation of DNA and protein crystallization. It is commonly used in HPLC and MS analysis of various compounds, such as oligosaccharides, proteins and peptides.

p-Iodonitrotetazolium Violet is used as a electron acceptor for the colorimetric assay of various dehydrogenases.

Biliverdin Dihydrochloride is a bile pigment component. An oxidized metabolite of bilirubin caused when bilirubin reacts with reactive oxygen species. Biliverdin IX is composed of alpha, beta, gamma and delta isomers. Biliverdin dihydrochloride was found responsible for cytoprotection. It was…

Ammonium persulfate is a strong oxidizing agent. It is a radical initiator. Ammonium persulfate is a polymerization catalyst used with TEMED for polyacrylamide gel formation. APS has also been utilized to study protein-protein interactions via photoinitiated crosslinking chemistry. Other…

Glycerol is used both in sample preparation and gel formation for polyacrylamide gel electrophoresis. Glycerol (5-10%) increases the density of a sample so that the sample will layer at the bottom of a gel’s sample well. Glycerol is also used to aid in casting gradient gels and as a protein…

DEAE-Dextran, a polycationic diethylaminoethyl ether of dextran is a stabilizing molecule and transfection reagent. The diethylaminoethyl groups are linked to glucose residues by ether linkages. DEAE-Dextran is used in the development of sustained release protein delivery and nucleic acid…

HFBA is a strong acid and an ion-pairing agent. The strong acidity of HFBA ensures that other acidic groups such as carboxylic acid moieties on biomolecules remain protonated, and thus the samples are able to interact with organic solvents in such processes as reverse phase chromatography. The…

β-2-microglobulin (β2-M) is a polypeptide that associates with the heavy chain of class I major histocompatibility complex (MHC) antigens on the cell surface. The interaction is dynamic and plays a critical role in the stability of the MHC antigens and their ability to present peptide…

Pure Canavalia ensiformis lectin (Con A) from Jackbean. Isolated by affinity chromatography on cross-linked dextran. Con A exists as a dimer below pH 5.0 and and at pH >7 it exists as a tetramer. Con-A is not a glycoprotein. The monomeric molecular weight of Con-A is 25,500. Con-A does not…

Hyaluronidase is a glycoprotein containing 5% mannose and 2.17% glucosamine, it catalyzes the random hydrolysis of 1,4-linkages between 2-acetamido- 2-deoxy- b-D-glucose and D-glucose residues in hyaluronate. Hyaluronidase from bovine testes is a tetramer consisting of 4 equal subunits with a…

(TMB Powder) This product is excellent for ELISA procedures. C₁₆H₂₀N₂ MW 240.3

4-Aminoantipyrine is a reagent for determination of chlorinated phenols, phenylglycosidase, and glucose in the presence of phenol and peroxidase.

Dexamethasone is an anti-inflammatory glucocorticoid that induces the production of phospholipase A2 inhibitory protein (lipocortin). It also inhibits induction of nitric oxide synthase (IC50=5 nM). Dexamethasone has been shown to cause reduction in cyclin A and Cdk2 activity, inhibition of G1/S…

The molecule is a dialdehyde, consisting of two formyl (CHO) groups attached to adjacent carbon centres on a benzene ring. o-Phthalaldehyde is used for precolumn derivatization of amino acids for HPLC separation and for flow cytometric measurements of protein thiol groups. Used for fluorometric…

L-histidine is an essential amino acid with a basic side chain, and is hydrophilic in character. It contains an imidazole group in the side chain. Histidine is biosynthesized from ATP, 5-phosphoribosyl-1-pyrophosphate (PRPP), and glutamine. In turn, histidine is degraded to glutamate by histidase,…

Ammonium acetate is a chemical compound which is derived from the reaction of ammonia and acetic acid. Ammonium acetate is volatile at low pressures. Because of which it has been used to replace cell buffers with non-volatile salts, in preparing samples for mass spectrometry. It is used as a buffer…

Sodium borohydride (NaBH₄) is the most commonly available borohydride, synthesized by reacting methylborate with sodium hydride in mineral oil. It is employed as a precursor for producing other metal borohydrides. Various approaches for qualitative and quantitative monitoring of sodium…

Sodium nitroprusside dihydrate reagent used for chromatographic detection of peptides containing cystine. Also liberates nitric oxide in biological systems. Sodium nitroprusside dihydrate was used in the digital image analysis for the determination of products of simple colorimetric tests for…

Vitamin K is a group of structurally similar, fat-soluble vitamins. Vitamin K1 is used as a cofactor in the formation of coagulation factors II (prothrombin), VII, IX and X; anticoagulant factors protein C and S and as a cell signaling factor.

Collagenases degrade native helical collagen fibrils. It has an important role in connective tissue metabolism and is produced by specific cells involved in repairs and remodelling processes. Collagenase is used for tissue dissociation combined with other enzymes such as elastase, trypsin,…

Bleomycin Sulfate is an atineoplastic antibiotic. A mixture of cytotonic glycopeptide antibiotics which reacts with DNA and causes strand scission; they have also been shown to have a type of oxygen transferase activity. Bleomycin A2 is the main component of the bleomycin employed clinically.…

Dimethyl sulfoxide is a dipolar, aprotic solvent. Has been shown to accelerate strand renaturation (1-10% concentration) and is believed to give the nucleic acid thermal stability against depurination. Dimethyl sulfoxide is used to enhance dermal absorption of many chemicals. A solvent for many…

Trehalose Dihydrate is an osmolyte, a chemical chaperone. It contains many properties that allow it to stabilize partially unfolded protein molecules and inhibit protein aggregation. It includes a low chemical reactivity, high glass transition temperature, existence of numerous polymorphs,…

Ethylenediamine Tetraacetic Acid is a polyamino carboxylic acid hexadentate ligand and a chelating agent. This product is designated as ACS Reagent grade, and meets the specifications of the American Chemical Society (ACS) for reagent chemicals. Ethylenediamine Tetraacetic Acid is a chelator of…

Sodium bicarbonate is broadly used as a physiological buffer in cell culture applications. The pKa for bicarbonate <-> carbonic acid reaction is 6.4 The pKa for bicarbonate <-> carbonate reaction is 10.3. Sodum bicarbonate has two pKas, 6.4 and 10.3. The compound can react with both…

Tunicamycin is a mixture of Tunicamycins A, B, C and D. It is a nucleoside antibiotic active in vitro against Gram-positive bacteria, yeasts, fungi, and viruses. Tunicamycin has been used to study the effect of N-linked glycosylation of human proton-coupled folate transporter (HsPCFT) in HeLa…

Salicin is a substrate for β-glucosidase.

Aldehyde dehydrogenase belongs to the family of oxidoreductases, specifically those acting on the aldehyde or oxo group of donor with NAD+ or NADP+ as acceptor. Aldehyde dehydrogenase oxidizes a number of aliphatic and aromatic aldehydes. Acetyl-GSH is not hydrolyzed. Aldehyde…

Natural tomato lycopene is a mixture of isomers, primarily (all-E), but also some (5-Z) and two lesser and unidentified cis isomers, all of which are difficult to resolve by LC. Lycopene is an open chain unsaturated carotenoid that gives tomatoes, guava, rose hip, watermelon and pink grapefruit its…

n-Butanol is useful for the removal of ethidium bromide from DNA purified by CsCl gradient ultracentrifugation. It is also suitable for use in the concentration of dilute nucleic acid solutions by repeated extractions. Increased nucleic acid concentration improves recovery by ethanol precipitation.