Folic acid, also known as folate, is a B vitamin that can be found in a variety of fruits and vegetables. It can also be chemically synthesized. Folate, a watersoluble vitamin, helps the body form red blood cells and aids in the formation of genetic material within every body cell. Folic Acid is a…

N-Acetyl-L-cysteine is an acetylated amino acid with antioxidant and mucolytic properties for isolation of mycobacteria from sputum. As a mucolytic agent, N-Acetyl-L-cysteine serves to dissipate disulfide bonds across mucoproteins, loosening and clearing the viscosity of sputum. …

An antiseptic and disinfectant agent. It is effective against a wide range of bacteria, some fungi and some viruses, and an agent for the prevention of gingivitis. Commercial ophthalmic products have used this agent to replace thimerosal as a preservative; however, it can cause skin irritation. …

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 -…

β-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation. β-Estradiol is used to study cell differentiation and transformations (tumorigenicity). The pharmacology and HPLC determination of β-Estradiol…

Folic acid, also known as folate, is a B vitamin that can be found in a variety of fruits and vegetables. Can be chemically synthesized Water soluble Exhibits metal binding properties Folic acid (Vitamin B9 and folate) is essential to numerous bodily functions. The human body needs…

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 …

D-(+)-Trehalose dihydrate is a natural alpha-linked non –reducing disaccharide formed by an α,α-1,1-glucoside bond between two α-glucose units which yields 2 moles of D-glucose upon acid hydrolysis. Has 90% of the calorific content of sucrose. Inhibits polyglutamine-mediated…

Cetyltrimethylammonium bromide is a phase transfer catalyst ideal for the precipitation of DNA. Hexadecyltrimethylammonium bromide is a bactericidal, cationic detergent. Its activity is neutralized by soaps and anionic detergents (i.e., SDS). Trimethylammonium bromide compounds form insoluble…

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…

Bromocresol purple binds quantitatively with human serum albumin forming a stable complex with absorbance maximum at 600 nm. The intensity of the color produced is directly proportional to the albumin concentration in the sample. Bromocresol Purple is used as a pH indicator (5.2-6.8 : yellow to…

Spectinomycin is an aminocyclitol antibiotic, closely related to the aminoglycosides, it inhibits protein synthesis (elongation) by interfering with peptidyl tRNA translocation. Mutation in rpsE (the gene for ribosomal protein S5) prevents binding of spectinomycin. Specinomycin is used in cell…

Chicken egg albumin is the major protein constituent of egg whites. Chicken egg albumin is a phosphorylated-glycoprotein. From the amino acid sequence, the peptide portion of the molecule consists of 385 residues and has a molecular weight of 42.7 kDa. A phosphorylated glycoprotein which is…

Sodium pyruvate is utilized as a component in culture broth and media. The use of sodium pyruvate in Wallen fermentation medium to enhance the conversion of oleic acid to 10-ketostearic acid by Bacillus sphaericus has been described. A protocol that uses sodium pyruvate to establish stably…

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…

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…

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.

Putrescine is a biogenic polyamine and precursor of spermidine. It is formed via decarboxylation of ornithine or by decarboxylation of arginine followed by hydrolysis. Binds to the polyamine modulatory site of the NMDA receptor and potentiates NMDA-induced currents; precursor of spermidine.

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…

β-Mercaptoethylamine is a useful antioxidant .It is experimentally used as a radioprotective agent and It is also used to produce acute and chronic duodenal ulcers in rats and as an antidote to acetaminophen. β-Mercaptoethylamine derived from cysteine degradation is the simplest stable…

Tetracycline is a broad spectrum polyketide antibiotic with clinical uses in treating bacterial infections such as Rocky Mountain spotted fever, typush fever, tick fevers, Q fever, and Brill-Zinsser disease and to treat upper respiratory infections and acne. It has been used in studies of multidrug…

Protamine sulfate is a purified mixture of simple protein principles obtained from the sperm or testes of suitable species of fish, which has the property of neutralizing heparin. Because of having much basic amino acids (mostly arginine) protamine contains far greater nitrogen than other proteins.…

Coomassie Blue R-250 is a triphenylmethane dye used extensively in SDS-PAGE for the analysis of proteins. Brilliant Blue R has been used for many years for staining proteins on polyacrylamide electrophoresis gels. Improvement of sensitivity and background have been accomplished using Brilliant…

A vitamin/enzyme cofactor found in milk, eggs, malted barley, liver, kidney, heart, leafy vegetables. Richest natural source is yeast. Occurs in the free form only in the retina of the eye, in whey, and in urine; bioactive forms occurring in tissues and cells are riboflavin monophosphate and…

N-(1-Naphthyl)ethylenediamine, dihydrochoride is used for colorimetric determination of sulfonamide in blood. It is used for spectrophotometric determiniation of nitrite and nitrate. It is also used as a coupling agent for the spectrophotometric determination of aminophenols, phenylenediamines,…

Congo red is a secondary diazo dye. It is a High Purity Biological Stain. Congo Red is suitable for staining cytoplasm, erythrocytes and collagen. Useful probe for conformational studies of nucleotide-binding enzymes.

Kanamycin sulfate is an antimicrobial agent effective against Gram-negative and Gram-positive bacteria and mycoplasma. It binds to the 70S ribosomal subunit, inhibits translocation, and elicits miscoding. Cross-resistance occurs between kanamycin and neomycin, framycetin, and paromomycin, and…

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. …

Indomethacin, an anti-inflammatory agent, inhibits Cox-1 and Cox-2 (cyclooxygenases) with selectivity for Cox-1 (IC50 of 230 nM) over Cox-2 (IC50 of 630 nM). Additionally, Indomethacin displays adipogenic actions via binding and activation of PPARγ (peroxisome proliferator-activated receptor…

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 …

Salicin is a substrate for β-glucosidase.

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…