Coomassie® Brilliant Blue R-250 is a fast acting, sensitive dye. Brilliant Blue R can be used for staining proteins on polyacrylamide electrophoresis gels. Improvement of sensitivity and background have been accomplished using Brilliant Blue dyes in a colloidal form. Other applications for…

Sodium phosphate monobasic is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Useful in conjunction with Sodium Dibasic Phosphate, in the preparation of biological buffers. Used in many applications including the purification of antibodies.

Ferric chloride is a moderately strong Lewis acid. Ferric Chloride is used in photoengraving, photography, the manufacture of pigments and ink, the chlorination of silver and copper ores, and as a mordant in dyeing and printing textiles. It is also utilized in the synthesis of organic compounds.…

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.

HEPES is a zwitterionic organic chemical buffering agent; one of the twelve Good's buffers. HEPES has been utilized extensively for research and commercial applications in the cell culture and tissue culture industries. HEPES is widely used in cell culture, largely because it is better at…

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…

For use with DOB or YNB with the appropriate nitrogen and carbon sources to custom formulate your own selective Synthetic Defined yeast media. Single dropout of Complete Supplement Mixture (CSM) of amino acids for S. cerevisiae growth media. Time tested formulation is available in complete and…

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…

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,…

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…

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…

Sodium phosphate is a reagent with very high buffering capacity that is widely used in molecular biology, biochemistry, and chromatography. Sodium phosphate occurs in several forms: monobasic (NaH2PO4), dibasic (Na2HPO4), and tribasic (Na3PO4). Most neutral sodium phosphate buffer solutions consist…

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.

Ferric chloride is a moderately strong Lewis acid and it is used as a catalyst in organic synthesis. The vapor-phase co-reductions with other metal halides by hydrogen results in finely divided intermetallics with applications as structural materials or compounds with useful thermoelectric,…

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…

Pepsin, an acid protease, contains a proteolytic enzyme. Pepsin contains the "cathepsin" component which has milk curdling activity. It has a broad range of substrate activity and demonstrates an esterase acitivity. It generally attacks peptide bonds. Pepsin is a peptidase used to…

Sodium metasilicate nonahydrate is white powder, mainly used in detergent/washing industry, metal cleaner and ceramic industry. In detergent/washing industry, it can be used instead of Sodium triphosphate to raise cleaning efficiency and reduce enviroment pollution, provide excellent alkaline…

Lecithin is a purified, wax-like phosphatidylcholine of soybean origin. In addition to being the major structural component of cellular membranes, phosphatidylcholine serves as a reservoir for several lipid messengers, it is the source of the bioactive lipids lysophosphatidylcholine, phosphatidic…

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…

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…

Lubrol is a compound composed of ethylene oxide condensates of fatty alcohols. Lubrol is used as a solubilizing agent for membrane bound proteins and membrane-bound adenylcyclase.

β-Sitosterol is a common plant steroid that possesses anticholesteremic properties. β-Sitosterol has recently been shown to induce G2/M arrest, endoreduplication, and apoptosis through the Bcl-2 and PI3K/Akt signaling pathways.

Trehalose Dihydrate is an osmolyte, a chemical chaperone. It contains many properties that allow it to stabilize partially unfolded protein molecules and inhibit protein aggregation. It includes a low chemical reactivity, high glass transition temperature, existence of numerous polymorphs,…

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…

Hydrocortisone, a primary glucocorticoid secreted by the adrenal cortex. It has three times the anti-inflammatory potency of corticosterone but much lower Na2+ retention potency. Hydrocortisone, known more formally as cortisone (INN, USAN, BAN), is a steroid hormone, produced by the zona…

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,…

Agarose is a purified linear galactan hydrocolloid isolated from agar or agar-bearing marine algae. Allows recovery of active DNA after separation, with minimal inhibition of restriction and ligation enzymes Suitable for both analytical and preparative electrophoresis procedures Good…

Pancreatin is a digestive enzyme produced by the pancreas and delivered to the small intestine for the hydrolysis of complex nutrients. Pancreatin contains enzymatic components including trypsin, amylase and lipase, ribonuclease, and protease, produced by the exocrine cells of the porcine pancreas.…

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…

CHAPS is a nondenaturing zwitterionic detergent for solubilizing membrane proteins and breaking protein-protein interactions. Combines the useful properties of both the sulfobetaine-type and the bile salt detergents. CHAPS is commonly used for protein solubilization in isoelectric focusing and…

An essential amino acid.