Bis-Tris is a zwitterionic buffer; an amine buffer similar to Tris Hydrochloric acid that exhibits only a very small shift in dissociation constant with respect to temperature. It is structurally analogous to the the Good buffers that were developed to provide buffers in the pH range of 6.15 - 8.35…

Methyl cellulose is a chemical compound derived from cellulose. It is a hydrophilic white powder in pure form and dissolves in cold (but not in hot) water, forming a clear viscous solution or gel. It is used as a thickener and emulsifier in various food and cosmetic products. It is not digestible,…

Agar is a polysaccharide complex extracted by bleaching and hot water treatment of agarocytes from the red alga Rhodophyceae, and usually consisting of the genera Gelidium, Acanthopeltis, Ceramium,Pterocladia and Gracilaria. The algae are typically found in the Pacific and Indian Oceans and in the…

Gum Arabic can be branched polymer of galactose, rhamnose, arabinose, and glucuronic acid as the calcium, magnesium, and potassium salts. It is used in textiles, ceramics, lithography, cosmetics and pharmaceuticals. In the food industry, acacia is mainly used as confectionery, bakery, dairy,…

Citric acid is a key metabolic intermediate. Citrate is the starting point of the tricarboxylic acid cycle. Its concentration also coordinates several other metabolic pathways. Citric acid can form complexes with various cations, particularly with iron and calcium. In animals, citric acid improves…

Ethylenediamine Tetraacetic Acid is a polyamino carboxylic acid hexadentate ligand. Ethylenediamine tetraacetic acid (EDTA) is a calcium chelator used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals. For use as an anticoagulant, disodium or tripotassium…

Fructose, or fruit sugar, is a simple monosaccharide found in many plants. It is one of the three dietary monosaccharides, along with glucose and galactose, that are absorbed directly into the bloodstream during digestion. Fructose is a 6-carbon polyhydroxyketone. It is an isomer of glucose which…

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,…

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…

LB broth, Miller, 1 Kg. For the cultivation, propagation and maintenance of E. coli , B. subtilis, S. choleraesuis, C. glutamicum and other bacteria for molecular biology applications. Contains 10 g/liter sodium chloride.

Bovine albumin is a single polypeptide chain consisting of approximately 583 to 595 amino acid residues and no carbohydrates. At pH 5-7 it contains 17 intrachain disulfide bridges and 1 sulfhydryl group. Albumin binds water, Ca2+, Na+, and K+. Due to a hydrophobic cleft, albumin binds fatty…

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…

Polyvinyl Alcohol (PVA) is a synthetic, biocompatible and toxicologically safe polymer. Polyvinyl alcohol is used for mounting cells on slides for detection of cell-surface antigens by immunofluorescence. It is useful as an anti-fading agent. It has various pharmaceuticle applications. In tablet…

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…

Trichloroacetic acid is an acetic acid analogue commonly used to precipitate proteins, DNA and RNA. In the presence of SDS Trichloroacetic acid will precipitate proteins which can then be quantified by the Lowry method. The compound has also found uses as a decalcifier and fixative in microscopy,…

Cellulose is an organic compound, a polysaccharide consisting of a linear chain of several hundred to over ten thousand β(1→4) linked D-glucose units. Cellulose is used as bulking agent, opacifier, anti-caking agent, extrusion aid and stabilizer for foams and emulsions. High purity…

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…

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…

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.

Citric acid acts as an iron chelator. It can support cholesterol/sterol, ubiquinone and isoprenoid biosynthesis in cell culture applications. In animals, citric acid improves the utilization of nutritional calcium. It is a useful buffer component.

Polyvinyl alcohol (PVOH, PVA, or PVAl) is a water-soluble synthetic polymer. Polyvinyl alcohol is the raw material to make polymers. Polyvinyl alcohol is used as an emulsion polymerization aid, as protective colloid, to make polyvinyl acetate dispersions.

LB medium, a common bacterial growth medium for E.coli cells, is widely used in molecular biology. Molecular Biology Certified™ Main components are Tryptone and Yeast Extract Nutritionally rich medium Supports growth of E. coli cells Contains essential electrolytes for…

L-Proline is used in cell culture media and is a component of MEM non-essential amino acids solution.

Acetic Acid, Glacial is an excellent solvent for many organic compounds. Acetic acid is widely used in manufacturing either as starting material or as a solvent. In the food industry, dilute solutions are used for preparation and preservation. Because acetic acid is a weak acid, it is effective as…

Potassium Iodide is known as Potassium Salt of Hydriodic Acid [HI], available in white crystalline powder form. It is a mild reducing agent and can be easily oxidized to Iodine by powerful oxidizing agent like chlorine. With elemental iodine it forms I3 (tri iodide), the salts of tri iodide are…

Ammonium Molybdate Tetrahydrate is an analgesic.

Glycine is a non-chiral amino acid that can be synthesized in the body from the amino acid serine by Serine Hydroxymethyltransferase. Acts as an inhibitory neurotransmitter Shown to block NMDA-stimulated dopamine release in fetal mesencephalic cell cultures Increase NMDA-receptor…

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…

Yeast Extract Powder is a vacuum-dried extract concentrate of Baker's yeast containing the B-complex factors of approximately three times the weight of ordinary dry yeast. This product is a vacuum dried autolyzed yeast extract produced from 100% Baker's yeast. It is a concentrated source of…

Sodium acetate is the sodium salt of acetic acid. Sodium acetate is used as a buffer in the buffering range of pH 3.6-5.6. It is also used in the purification and precipitation of nucleic acids, protein crystallization, Staining of gels in protein gel electrophoresis, HPLC, mordant dyeing, DNA…

D-(+)-Maltose monohydrate is used as a sweetener with about one-third the sweetness of sucrose and as a nutrient in culture media. It is used in pharmaceutical formulations and as a parenteral supplement of sugar for diabetics.