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…

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…

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,…

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…

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…

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…

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…

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…

Cobalt chloride is utilized in commercial applications such as electroplating, catalyst preparation, painting on glass and porcelain, and in the manufacture of vitamin B12. It is also used as a humidity and water indicator; when cobalt chloride is used with desiccants, it will change from blue to…

Lactase is an enzyme preparation produced by Aspergillus oryzae fermentation. Hydrolyzes Lactose Produces β-D-Galactose and a-D-Glucose One unit will hydrolyze 1.0 µmole of o-nitrophenyl-beta-D-galactoside to o-nitrophenol per minute at pH 4.5 and 30°C …

Sodium Orthovanadate is a potent alkaline phosphate inhibitor. Sodium Orthovanadate is used in the diabetes study. Sodium orthovandate was used to prepare the stop solution in dephosphorylation assay of insulin receptor kinase. It was one of the reagents used in the development of Matrix ChIP…

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…

Ampicillin is a semi-synthetic derivative of penicillin, active as a broad-spectrum antibiotic. It is inactivated by beta-lactamases and for this reason a beta-lactamase inhibitor should be considered when using ampicillin. Against gram-positive bacteria, ampicillin has a similar mode of action as…

L-Cysteine is a sulfur containing amino acid that is closely related to Cystine. Naturally occurring non-essential amino acid Used to manufacture L-glutathione and L-taurine NMDA glutamatergic receprot agonist L-cysteine is used in producing antioxidants. It also promotes healing…

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

Methionine is one of the common sulfur-containing amino acids. Methionine is a common methyl-group donor to various substrates, such as creatine, epinephrine, ergosterol, and choline. L-Methionine is used as an essential amino acid for human development and therapeutically acts as an antidote…

Cellulase refers to a group of enzymes which, acting together, hydrolyze cellulose. The b-glucosidases, including cellobiose, are primarily active on the smaller molecular weight cellulose hydrolysates. During cellulose breakdown they are active on the dimers and oligomers of cellulose. …

β-NAD is one of the biologically active forms of nicotinic acid. Coenzyme of the dehydrogenases, especially in the dehydrogenation of primary and secondary alcohols Inhibitory neurotransmitter in visceral smooth muscle Acts as a hydrogen acceptor, forming NADH …

1-Pentanesulfonic Acid Sodium Salt Monohydrate is used as an ion-associating reagent for HPLC analysis of peptides and proteins. Sodium pentanesulfonate is utilized in the analysis of small organic molecular compounds, pharmaceutical products and metabolites, and peptides by such techniques as RP -…

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

Chromium potassium sulfate is the potassium double sulfate of chromium. Chromium alum is used in the tanning of leather. It was also used in gelatine emulsions in photographic film as hardener.

o-Nitrophenyl-β-D-galactoside (ONPG) is a colorimetric substrate for b-galactosidase. This product is hydrolyzed to o-nitrophenol by the enzyme. o-Nitrophenol is yellow in alkaline solution and can be quantitated at 410-420 nm 2 . o-Nitrophenyl-β-D-galactoside is a cell culture…

Lysozyme (muramidase) hydrolyzes preferentially the β-1,4 glucosidic linkages between N-acetylmuramic acid and N-acetylglucosamine which occur in the mucopeptide cell wall structure of certain microorganisms, such as Micrococcus lysodeikticus. Extracts group specific antigens …

Thiamine (Vitamin B1) is one of the essential vitamins and is required for carbohydrate metabolism. Thiamine hydrochloride is used as a food-additive to add a brothy/meaty flavor to gravies or soups. It is also used as food supplement. Used in fluorometric determination of mercury.

Pancreatin is a mixture of several digestive enzymes produced by the exocrine cells of the porcine pancreas and delivered to the small intestine for the hydrolysis of complex nutrients. It is a broad-spectrum protease composed of amylase, trypsin, lipase, ribonuclease and protease. Pancreatin…

Nalidixic acid sodium salt is an antibacterial agent (synthetic quinolone antibiotic), which is inhibitor of bacterial DNA polymerase (DNA gyrase) & avian myeloblastoma virus reverse transcriptase. Inhibits nucleic acid and protein synthesis in Saccharomyces cerevisiae. Typically used at a…

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…

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…

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…

Thiobarbituric acid (TBA) reaction has been used to detect lipid oxidation. When lipids are oxidized, malonaldehyde is formed. TBA reacts with malonaldehyde in hot acid to form a red complex of malonaldehyde:TBA (1:2). Used to quantitate lipopolysaccharides, carrageenan, and sialic acids; used…

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,…

The product contains vitamin A acetate (approximately 21%) finely dispersed in a starch-coated matrix of gelatin (approximately 60%), sucrose (approximately 14%) and corn starch (approximately 5%). BHT and BHA are added as antioxidants. Vitamin A Acetate induces cell differentiation and inhibits…