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.

Imidazole is a chelator for the binding of various divalent cations. Imidazole is a highly polar, planar 5 membered ring. It is amphoteric in nature. Imidazole can be used for the elution of histidine containing proteins from divalent cation resins and can also be used in reverse staining of…

Fluorescent Brightner 28 is a colorless organic compound that fluoresces (clear bluish) under ultraviolet radiation. It is related structurally to Fluorescent Brightner 9 (Calcofluor White MR) which was used by Jefferies and Belcher and Maeda and Ischida in plant tissue studies. Fluorescent…

Elastase is an enzyme from the class of proteases (peptidases) that break down proteins. It hydrolyzes peptide bonds, especially those adjacent to neutral amino acids. Hydrolyses elastin Digests hemoglobin, casein, and fibrin One unit will solublize 1 mg of elastin in 20 minutes at…

Prostaglandin E2 is one of the primary cyclooxygenase products of arachidonic acid and one of the most widely investigated prostaglandins. Its activity influences inflammation, fertility and parturition, gastric mucosal integrity, and immune modulation. The effects of PGE2 are transduced by at…

Albumins are a group of simple proteins found in the body fluids and tissues of animals and in some plant seeds. Unlike globulins, albumins have low molecular weights, are soluble in water, are easily crystallized and contain an excess of acidic amino acids. Serum and plasma albumin is…

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) …

2,3,5-Triphenyltetrazolium Chloride is a redox indicator. In the TTC assay (also known as TTC test or tetrazolium test), TTC is used to differentiate between metabolically active and inactive tissues. The white compound is enzymatically reduced to red TPF (1,3,5-triphenylformazan) in living tissues…

Methyl cellulose is a chemical compound derived from cellulose. It is a hydrophilic white powder in pure form and dissolves in cold (but not in hot) water, forming a clear viscous solution or gel. It is used as a thickener and emulsifier in various food and cosmetic products. It is not digestible,…

Propylene glycol is a clear, colorless and hygroscopic liquid. Propylene glycol contains an asymmetrical carbon atom, so it exists in two stereoisomers. The freezing point of water is depressed when mixed with propylene glycol due to increased opportunity for hydrogen bonding. Propylene glycol…

Lecithin is the major membrane phospholipid in eukaryotic cells. In addition to being the major structural component of cellular membranes, it serves as a reservoir for several lipid messengers. It is the source of the bioactive lipids lysophosphatidylcholine, phosphatidic acid, diacylglycerol,…

Sodium bicarbonate is a commonly used laboratory chemical. The compound can react with both acids and bases, therefore it can be used as a neutralizer. When reacting with bases the compound forms carbonates. Sodium bicarbonate may be used to remove or wash acidic impurities from a crude liquid to…

p-nitrophenol is used as an indicator in 0.1% alcohol solutions. 4-Nitrophenol is used as a precursor to prepare phenetidine, acetophenetidne and pH indicator. Its carboxylate ester derivatives are involved as an active component for the construction of amide moieties in peptide synthesis. It is…

Staurosporin is an antibiotic which is isolated from Streptomyces species, possesses inhibitory activity against fungi and yeasts. It is potent inhibitor of phospolipid/Ca2+ dependent and cyclic nucleotide dependent protein kinases, a potent protein kinase inhibitor useful as a tool for studies on…

Coomassie® Brilliant Blue G-250 is a useful dye for SDS gels as it readily stains proteins with minimal background color. Protein bands can be visualized during staining. Coomassie Brilliant Blue G-250 is a protein stain in electrophoresis. Brilliant Blue G has been used in the Bradford…

Xylene is used in Giemsa cell staining protocols. Xylene is used as a solvent in pharmaceutical, printing, rubber, and leather industries. It is an important component of ink, rubber and adhesives as well as in thinning paints and varnishes. It is used in the laboratory to make baths with dry ice…

Chloramine T Sodium Salt Trihydrate is a reagent for selective oxidation of methionine. It is used as an antibacterial agent; a topical antiseptic. Capable of oxidative cyclization to produce various heterocycles. Nitrene source for aziridinations and aminohydroxylations. Reactant for Preparation…

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)…

Polyvinyl Alcohol (PVA) is a synthetic, biocompatible and toxicologically safe polymer. Polyvinyl alcohol is used for mounting cells on slides for detection of cell-surface antigens by immunofluorescence. It is useful as an anti-fading agent. It has various pharmaceuticle applications. In tablet…

Iodoacetamide is a thiol reagent; alkylating reagent for cysteine and histidine residues in proteins. In the alkylation reaction, it reacts with histidine (such as in RNase), methionine and sulfhydryl groups of many proteins. Iodoacetamide can react with low molecular weight thiol compounds such as…

Rifamycin SV is a broad-spectrum semisynthetic antimicrobial agent of the rifamycin group. Rifamycin SV is used to study potential genes, such as rif15 and rif16, which may be involved in the conversion of rifamycin SV into rifamycin B. It is a potential treatment for traveler’s diarrhea…

L-Cysteine hydrochloride monohydrate (LCHCMH) is a water soluble salt of the non-essential amino acid, L-cysteine. Widely employed in the medicine industry Thermodynamic features of a solution of LCHCMH in water have been reported NMDA glutamatergic receptor antagonist L-Cysteine…

Triethanolamine is a zwitterionic buffer. Triethanolamine(TEA) is used primarily as an emulsifier and surfactant. It neutralizes fatty acids, adjusts and buffers the pH, and solubilises oils and other ingredients that are not completely soluble in water. Triethanolamine is also used as organic…

Citrinin is a fungal metabolite found in moldy rice. Citrinin was used to evaluate toxicity of the mycotoxin citrinin using yeast ORF DNA microarray and Oligo DNA microarray.

1,4 Butanediol and its derivatives are used in the manufacturing of technical plastics, polyurethanes, solvents, electronic chemicals and elastic fibers.

Alcian Blue 8GX is a cationic dye used to quantitatively determine glycosaminoglycans by forming insoluble complexes in solution. Alcian Blue 8GX can be used to determine proteins based on their Resonance Light Scattering by strongly enhancing the signals. It is useful as a bacterial stain, and as…

Hexadecane (n-Hexadecane) is an aliphatic long-chain hydrocarbon. It is a reference fuel with the cetane number 100 and is employed in determining the cetane number of diesel fuels. The mechanism of the oxidation of hexadecane in the gas-phase has been described. The density, speed of sound,…

A mineral oil is any of various colorless, odorless, light mixtures of alkanes in the C15 to C40 range from a non-vegetable (mineral) source, particularly a distillate of petroleum.Most often, mineral oil is a liquid by-product of the distillation of petroleum to produce gasoline and other…

Acetic Acid, Glacial is an excellent solvent for many organic compounds. Acetic acid is widely used in manufacturing either as starting material or as a solvent. In the food industry, dilute solutions are used for preparation and preservation. Because acetic acid is a weak acid, it is effective as…

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.

Diatomaceous Earth, Acid-washed is an inert material. Diatomaceous earth acid-washed is used as a filtration aid. It is suitable for most routine filtrations.

Amikacin is an aminoglycoside antibiotic used to treat different types of bacterial infections. Amikacin works by binding to the bacterial 30S ribosomal subunit, causing misreading of mRNA and leaving the bacterium unable to synthesize proteins vital to its growth. Amikacin must be given by the…