An essential amino acid.

Sorbic acid (2,4-hexadienoic acid) is a straight chain unsaturated fatty acid. It is an antimicrobial agent. The antimicrobial action of sorbic acid is due to its inhibitory influence on various enzymes in the microbial cell such as enzymes involved in carbohydrate metabolism such as enolase and…

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 -…

MES is a zwitterionic buffer. One of the "Good" buffers developed for biological applications. It has the advantages of maximum water solubility and minimum solubility in all other solvents, minimal salt effects, minimal change in pK with temperature, chemically and enzymatically stable,…

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. …

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…

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…

Ferric Ammonium Citrate is supplemented to the growth media as a source of iron for the micro-organism to be analysed.

BRIJ 35 is a non-ionic detergent. BRIJ 35 is useful for the extraction of membrane proteins. For use in Stein-Moore Chromatography and all molecular biology applications. Typically used in the range of 0.1-1%.

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…

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.

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…

Salicylaldehyde azine is used in the preparation of 2-oxo-2H-1-benzopyran-3-carboxylic acid 2-(2-oxo-2H-1-benzopyran-3-carbonyl)hydrazide by reacting with propadienedione. It has anthelmintic activity.

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,…

Potassium bicarbonate is a widely used reagent in research and industrial applications. Potassium bicarbonate has been used in studies of renal disorders and the relationship of muscle injury to this process. Potassium bicarbonate has been shown to inhibit the growth of Aspergillus parasiticus in…

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.

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.

Hemoglobin is the major component of red blood cells, and is responsible for their red color. Native hemoglobin from bovine erythrocytes. A major oxygen-transporting component of red blood cells Its normal concentration in erythrocytes is 34%. Hemoglobin is the most important respiratory protein of…

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

N-Lauroylsarcosine is an anionic detergent. N-Lauroylsarcosine is used for solubilization and separation of membrane proteins and glycoproteins; reported to inhibit hexokinase. It is useful in concentrated salt solutions used in the cell lysis step during RNA purification (helps avoid excessive…

Alginic Acid, Sodium Salt is a gelling polysaccharide extracted from giant brown seaweed. It is a straight chain, colloidal, polyuronic acid composed mainly of anhydro-b-D-mannuronic acid residues linked in the 1---->4 position. Alginic acid sodium is a gelling and nontoxic anionic…

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…

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…

Sodium phosphate dibasic anhydrous is a sodium salt of phosphoric acid. It is a white powder that is highly hygroscopic and water soluble. Sodium phosphate dibasic has been used for preparing phosphate buffer which in turn is utilized in X-gal staining. Sodium phosphate dibasic is an…

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…

Palmitic acid, or hexadecanoic acid is one of the most common 16 carbon saturated fatty acids found in animals and plants. It occurs as the glyceryl ester in many oils and fats. Palmitic acid has been reported to target proteins to cell membranes. It has been found to promote triglyceride…

Cesium chloride is used for the preparation of electrically conducting glasses. Used to make solutions for the separation of RNA and DNA, virus/phage by density gradient centrifugation.