Pepsin, an acid protease, contains a proteolytic enzyme. Pepsin contains the "cathepsin" component which has milk curdling activity. It has a broad range of substrate activity and demonstrates an esterase acitivity. It generally attacks peptide bonds. Pepsin is a peptidase used to…

HRP is a plant glycohemoprotein that belongs to the ferroprotoporphyrin group of peroxidases. HRP is composed of seven isozymes. All isozymes contain photohemin IX as prosthetic group. Neutral and amino sugars account for approximately 18% of the enzyme. The iron-containing hemin group is…

Sodium phosphate monobasic is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Useful in conjunction with Sodium Dibasic Phosphate, in the preparation of biological buffers. Used in many applications including the purification of antibodies.

Histamine Diphosphate Monohydrate is potent vasodilater. Endogenous H1 and H2 histamine receptor agonist; H1 activation mobilizes Ca2+; H2₂ activation stimulates adenylate cyclase activity in neurons; activates nitric oxide synthetase; potent vasodilator.

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…

Triton® X-100 is a alkylaryl polyether alcohol. It is a nonionic surfactant prepared by the reaction of octylphenol with ethylene oxide. The number ("-100") relates only indirectly to the number of ethylene oxide units in the structure. Triton X-100 is a non-ionic surfactant and…

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…

Tween 80 is a polyethylene sorbitol ester, non ionic surfactant and an emulsifier derived from polyethoxylated sorbitan and oleic acid. Tween 80 has been widely used in biochemical applications including: solubilizing proteins, isolating nuclei from cells in culture, growing of tubercule…

Used as an electrolyte for low temperature dry battery cells and as an oxidation catalyst. It is a solubilizer for polyamides and cellulose when used with amide solvents, and is a chlorinating agent for steroid substrates. Lithium chloride has also been utilized in: Large scale plasmid DNA…

Starch is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. It contains Approximately 75% amylopectin & 25% amylose. This polysaccharide is produced by all green plants as an energy store. It is the most common carbohydrate in the human diet and is…

Poly-lysine is a polycation which binds to DNA, red cell membrane and any negatively charged protein. It is typically used as a coating substrate for culture dishes, slides, etc. It enhances electrostatic interaction between negatively charged ions of the cell membrane and the culture surface. When…

Cefsulodin is a third generation cephalosporin antibiotic that has very specific activity against Pseudomonas aeruginosa. It has no significant activity against other Gram-negative bacteria and very limited activity against Gram-positive bacteria and anaerobic bacteria. Cefuslodin is most…

Aluminum sulfate hydrate is a hydrated aluminum salt. Aluminum sulfate is widely used in oil and fat processing, paper manufacturing and as a flocculant for water treatment. The kinetics of its dehydration by thermal decomposition has been investigated. It is one of the components of hematoxylin…

Benzyl alcohol (BnOH) is a monoaromatic primary alcohol widely used as a solvent and an intermediate in cosmetic formulations, pharmaceutical and flavor/fragrance industries. It shows bacteriostatic property. Commercial method for its synthesis is by the alkaline hydrolysis of benzyl chloride.…

Pancreatin is a digestive enzyme produced by the pancreas and delivered to the small intestine for the hydrolysis of complex nutrients. Pancreatin contains enzymatic components including trypsin, amylase and lipase, ribonuclease, and protease, produced by the exocrine cells of the porcine pancreas.…

Tamoxifen is a Protein Kinase C inhibitor. It induces apoptosis in human malignant glioma cell lines. Tamoxifen and its metabolite 4-hydroxytamoxifen are selective estrogen response modifiers (SERMs) that act as estrogen antagonists in mammary gland. Blocks estradiol-stimulated VEGF production in…

Polymyxin B Sulfate is a mixture of Polymyxin B1 and Polymyxin B2 Sulfate, obtained from Bacillus polymyxia strains. Inhibits gram-negative organisms in vitro Binds to and interferes with permeability of bacterial cytoplasmic membrane Inhibits Ca2+ dependent protein kinase C (PKC) …

Oleic acid is a mono-unsaturated omega-9 fatty acid created by dehydrogenation of stearic acid. It is then further dehydrogenated and elongated to create members of the n-9 family of fatty acids. Oleic acid is used as emollient. Small amounts of oleic acid are used as an excipient in…

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…

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…

Guanosine-5'-triphosphate, a purine nucleotide, is required as a coenzyme for protein biosynthesis in a cell-free system. Guanosine 5′-triphosphate (GTP), a purine trinucleotide, is a substrate for RNA polymerases and a wide range of GTPase including G-protein coupled receptor (GPCR)…

Catalase, Fungal suspension from from Aspergillus niger is long-acting, extremely stable form of catalase that is active over a wide pH range. Composed of four protein subunits Each subunit contains a heme group bound to its active site Catalase is used for the removal of peroxides,…

Poly-lysine is a polycation which binds to DNA, red cell membrane and any negatively charged protein. Molecular weight has been determined by Viscosity as well as by HPLC. It is typically used as a coating substrate for culture dishes, slides, etc. It enhances electrostatic interaction…

n-Octyl-β-D-Glucopyranoside is a non-ionic detergent for membrane protein. n-Octyl-glucoside is a non-ionic alkyl-glucoside detergent commonly used in the solubilization of membrane proteins and phospholipids. n-Octyl-glucoside has been used at a molar dependant ratios for the…

Safranine O is a biological stain used in histology, cytology, bacteriology. It is a redox and adsorption indicator.

β-NADP is a coenzyme necessary for the alcoholic fermentation of glucose and the oxidative dehydrogenation of other substances. It occurs widely in living tissue, especially in the liver. Nicotinic acid can be converted to nicotinamide in the body and, in this form, is found as a component of…

Chrome Azurol S is used as a reagent for determination of fluoride.

Lidocaine is the first amino amide–type local anesthetic. Lidocaine is used topically to relieve itching, burning and pain from skin inflammations, injected as a dental anesthetic or as a local anesthetic for minor surgery. A common local anesthetic and antiarrhythmic drug. Na+ channel…

Poly-L-lysine is a positively charged amino acid polymer. Poly-lysine binds to DNA, red cell membrane and any negatively charged protein. It is typically used as a coating substrate for culture dishes, slides, etc. It enhances electrostatic interaction between negatively charged ions of the cell…

Puromycin is an antibiotic of unique structure and biological activity. It is produced by fermentation using Streptomyces albo-niger. There are four aspects of puromycin's biological activity that are 1) antitumor effect; 2) nephrotoxic action; 3) inhibition of purine and/or protein synthesis…

Nicotinic acetylcholine receptor agonist isolated from Nicotiana tabacum and Nicotiana rustica. Nicotine Tartrate finds an application as the nicotine active in a wide range of smoking cessation products such as nicotine lozenges and nicotine sub-lingual tablets. (-)-Nicotine ditartrate is a…

2,6-dichlorophenolindophenol (DCPIP) is a blue chemical compound used as a redox dye. In Oxidized form DCPIP is blue; whereas in reduced form DCPIP is colorless. The rate of photosynthesis can be measured by the rate at which this dye changes color (is reduced) when exposed to light in a…