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 -…

Glucose 6-phosphate (also known as Robison ester) is glucose sugar phosphorylated on carbon 6. Very common in cells Start of two major pathways: Glycolysis and Pentose phosphate pathway Can be converted into glycogen or starch for storage D-Glucose 6-phosphate is the core…

N-Acetyl-D-galactosamine(GalNAc), an aminosugar, is a component of many O-linked and N-linked glycan structures. Intial O-linked sugar to many serine and threonine residues in protein glycosylations.

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. …

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…

Tricine, a zwitterionic buffer, was first prepared by Good for use as a buffer for chloroplast reactions. It is structurally similar to Tris, but is much less inhibitory at high concentrations. The name tricine comes from tris and glycine from which it was derived. Tricine can be used in…

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…

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…

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,…

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.

Isoleucine provides a source of nitrogen for transport to the liver and kidney.

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…

Salicin is a substrate for β-glucosidase.

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…

Thioglycolic acid protects tryptophan in amino acid analysis,and also mediates formation of ATP from ADP. It lowers the oxidation-reduction potential and neutralises mercurial preservatives. An inhibitor of fatty acid oxidation. An agent that prevents the metabolism of fatty acids and stimulates…

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,…

Melibiose has been used in a study to improve the preparation of benzoylated ethyl 1-thioglycosides. It has also been used in a study to investigate the effect of water plasticization on the molecular mobility and crystallization tendency of amorphous disaccharides.

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 …

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…

Creatinine, the end product of creatine catabolism is a normal constituent of urine; daily output about 25 mg/kg body weight. The increased amounts in the urine are typically associated with substantially impaired renal function. Also found together with creatine in muscle tissues and blood. It…

MOPS is a zwitterionic amino acid which acts as one of the "Good" buffers. Concentrations higher than 20 mM should not be used with mammalian cell cultures.

Ascorbic Acid, also known as Vitamin C, is a six-carbon lactone produced by plants and some animal species but not by humans and other primates. Protects cells against the damaging effects of radiation and oxygen radicals Increases the rate of mineralization in osteoblasts Involved in…

Cholesterol is the principal sterol of the higher animals, found in all body tissues. It is the main constituent of gallstones and all biological membranes. Approximately 25% of total brain lipid is cholesterol. Cholesterol is suitable for use in liposome preparations.

Mannose is a sugar monomer of the aldohexose series of carbohydrates. Mannose is a C-2 epimer of glucose. Mannose is important in human metabolism, especially in the glycosylation of certain proteins. Several congenital disorders of glycosylation are associated with mutations in enzymes involved in…

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…

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…

Physiological chelating agent for heavy metals. It is used as an antirheumatic and as a chelating agent in Wilson′s disease. It is used as a copper chelator to form mixed disulfides with cysteine or other sulfide media components. It is used to inactivate protein-1 DNA binding and to…

Adenosine is a purine nucleoside comprising a molecule of adenine attached to a ribose sugar molecule moiety via a β-N9-glycosidic bond. It plays an important role in energy transfer. It is an endogenous purine nucleoside that modulates physiological process wherein cellular signaling by…

PIPES is a zwitterionic N-substituted aminosulfonic acid "Good" buffer. PIPES is used to buffer glutaraldehyde fixative solutions when fixing plant and/or animal tissue samples. This will help prevent the loss of lipids. It is also used to buffer glutaraldehyde and formaldehyde when…