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…

Choline chloride is an organic compound and a quaternary ammonium salt. It is a weak acid. Choline chloride is the salt of the naturally occurring choline, the pre-stage of the neurotransmitter acetylcholine, which is important for mnemonic and thought-processes. Choline occurs naturally in fungi,…

Tryptic Soy Broth is a highly nutritive and very versatile medium recommended for general use in the laboratory. The medium promotes abundant growth of fastidious microorganisms without the necessity of adding serum and other materials. Tryptic Soy Broth is used for the cultivation of fastidious…

L-histidine is an essential amino acid with a basic side chain, and is hydrophilic in character. It contains an imidazole group in the side chain. Histidine is biosynthesized from ATP, 5-phosphoribosyl-1-pyrophosphate (PRPP), and glutamine. In turn, histidine is degraded to glutamate by histidase,…

Ammonium acetate is a chemical compound which is derived from the reaction of ammonia and acetic acid. Ammonium acetate is volatile at low pressures. Because of which it has been used to replace cell buffers with non-volatile salts, in preparing samples for mass spectrometry. It is used as a buffer…

Starch or amylum is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. Starch becomes soluble in water when heated. The granules swell and burst, the semi-crystalline structure is lost and the smaller amylose molecules start leaching out of the granule, forming…

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…

β-D-Glucose is a main source of energy for living organisms. It is combined into glucosides, disaccharides, oligosaccharides, the polysaccharides (cellulose and starch), and glycogen. β-D-glucose may contain up to 10% of α-isomer.

Benzalkonium Chloride is a quaternary ammonium salt. It is a cationic surface active agent and germicide. It is not effective against gram-negative bacteria or picornaviruses and it is not recommended for treatment of sanitizing critical or semicritical medical instruments. It has been reported…

Carboxymethyl ether cellulose is used in drilling muds, in detergents as a soil-suspending agent, in resin emulsion paints, adhesives, printing inks, textile sizes, as protective colloid in general. As stabilizer in foods. It is used in pharmaceuticals as a suspending agent, tablet excipient,…

Sodium phosphate dibasic heptahydrate is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Sodium phosphate dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation of…

β-D-Glucose is critical for production of proteins and the lipid metabolism. β-D-Glucose is a main source of energy for living organisms and is combined into glucosides, disaccharides, oligosaccharides, polysaccharides (cellulose and starch), and glycogen. D-Glucose, a naturally…

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…

Zinc chloride is a widely used reagent in various industrial processes. These include textile finishing, the etching of metals, the manufacture of parchment paper, and the preparation of galvanizing, soldering, and tinning fluxes. Zinc chloride is also used in organic chemical synthesis, such as in…

Tris has been useful as buffers in a wide variety of biological systems. Uses include pH control in vitro and in vivo for body fluids and in buffering systems for electrophoresis applications. Tris has been used as a starting material for polymers, oxazolones (with carboxylic acids) and…

Ammonium bicarbonate is an inorganic salt commonly used in the food industry. It can be generated by the interaction of gaseous carbon dioxide and aqueous ammonia. The addition of ammonium bicarbonate to microbial fuel cells (MFCs) has been reported to improve its functioning by altering the…

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, followed by the chemical suffix -ol for an alcohol, is an organic chemical…

Simple carbohydrate. Sucrose is hydrolyzed to glucose and fructose by dilute acids and by invertase, a yeast enzyme. Upon hydrolysis the optical rotation falls and is negative when the hydrolysis is complete. The mixture of glucose and fructose is known as "Invert sugar". Sucrose can…

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…

* Strong chaotropic agent useful for the denaturation and subsequent refolding of proteins * Used in the isolation of RNA * Solubilizes insoluble or denatured proteins such as inclusion bodies * Can be used for the recovery of periplasmic proteins

L-Glutamic Acid is a non-essential amino acid for human development; referred to as an excitatory amino acid (EAA) due to its role in neurotransmission. Acts as a neurotransmitter at fast synapses; agonist at kainate, NMDA and quisqualate receptors. L-Glutamic acid is one of the two amino acids…

Ferrous Ammonium Sulfate is often employed as an analytical standard, and has been used in a variety of other applications from nanomaterials to general redox reactions. It is used for titration purposes.

SDS is an anionic detergent and wetting agent that is effective in both acid and alkaline solutions. Most proteins bind SDS in a ratio of 1.4 grams SDS to 1 gram protein. The charges intrinsic to the protein become insignificant compared to the overall negative charge provided by the bound SDS. The…

Calcium sulfate (or calcium sulphate) is a common laboratory and industrial chemical. Calcium sulfate is used in tile and plaster, polishing powders, paints, paper, dyeing and calico printing, metallurgy, drying industrial gases, solids, and many organic liquids, and in the determination of oxalates.

Alginic acid sodium salt has been used in the flocculation of solids in water treatment; as sizing agent; thickener; emulsion stabilizer; and a suspending agent. It is used in the preparation of colloidal biodegradable structures such as gels, biofilms, beads, nanoparticles, and microcapsules…

D-myo-Inositol is a growth factor for animals as well as microorganisms. Myo-Inositol is the most abundant form of polyols that serves as a structural element of secondary messengers in eukaryotic cells. Inositol or cyclohexane-1,2,3,4,5,6-hexol is a chemical compound, a sixfold alcohol (polyol) of…

Component of Hanks′ balanced salt solution Component of plant cell-culture media and of culture media for microorganisms Purification of CAP, catabolite gene activator In the preparation of spheroplasts from E. coli K38

Polyethylene glycol (PEG) is a condensation polymer of ethylene oxide and water. PEGs are susceptible to oxidative degradation in the presence of air. Minimizing the exposure of PEG to elevated temperatures and/or exposure to oxygen, or addition of an antioxidant can limit the amount of…

Sodium metabisulfite is an antioxidant reducing agent, with antimicrobial and antifungal properties. Gastric tissue studies report that sodium metabisulfite can augment lipid peroxidation and apoptosis in a dose-dependent manner. Sodium metabisulfite is used as an active ingredient in campden…

Potassium phosphate is a reagent with high buffering capacity. It occurs in several forms: monobasic, dibasic and tribasic. Most pH neutral potassium phosphate buffer solutions consist of mixtures of the monobasic and dibasic forms to varying degrees, depending on the desired pH. Potassium…

Calcium Chloride is a salt of calcium and chloride. It behaves as a typical ionic halide, and is solid at room temperature. Calcium chloride is a commonly used reagent in biochemistry. It plays important roles in many biological processes, including signal transduction, muscle contraction, and…

Polyethylene glycol (PEG) is a condensation polymer of ethylene oxide and water. PEGs are susceptible to oxidative degradation in the presence of air. Minimizing the exposure of PEG to elevated temperatures and/or exposure to oxygen, or addition of an antioxidant can limit the amount of…