Sodium chloride is a commonly used chemical which is found widely in nature. It is considered to be an essential nutrient. Excess amounts of sodium chloride can destroy electrolyte balance and cause death in most animals, including humans. Sodium chloride is used in a wide variety of biochemical…

Tragacanth is a polysaccharide mixture containing tragacanthin and bassorin. It is a natural gum obtained from the dried sap of several species of Middle Eastern legumes of the genus Astragalus, including A. adscendens, A. gummifer, A. brachycalyx, and A. tragacanthus. Tragacanth is used in…

Albumins are a group of acidic proteins which occur in the body fluids and tissues of mammals and in some plant seeds. Serum and plasma albumin is carbohydrate free and comprises 55-62% of the protein present. However, only about 40% of the total albumin in the body is in the circulating plasma at…

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.…

Yeast Hydrolysate Enzymatic is an autolyzed yeast extract produced from 100% brewers yeast. It is a concentrated source of soluble protein components, carbohydrates, and B Complex vitamins natural to yeast.

Methionine is one of the common sulfur-containing amino acids. Methionine is a common methyl-group donor to various substrates, such as creatine, epinephrine, ergosterol, and choline. L-Methionine is used as an essential amino acid for human development and therapeutically acts as an antidote…

An essential amino acid.

Tris have been useful as buffers in a wide variety of biological systems. It has been used as a starting material for polymers, oxazolones (with carboxylic acids) and oxazolidines (with aldehydes). It does not precipitate calcium salts and is of value in maintaining solubility of manganese salts.…

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…

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…

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…

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…

Guanidine hydrochloride consists of a network of guanidinium cations and chloride anions linked by N–H•••Cl hydrogen bonds, it is a strong chaotropic agent. Guanidine HCl may agglomerate upon storage. It may appear as a free-flowing crystalline powder, a free flowing powder…

Dextran sulfate sodium salt, or DSS, is a synthetic sulfated branched polysaccharide derivative of dextran that has multiple uses in biomedical and clinical research. One important property of DSS is to trigger colitis in mice and rats when administered in drinking water. DSS binds to…

Dextran is a high molecular weight polymer of anhydroglucose. It is composed of approximately 95% α-D-(1-->6) linkages. The remaining a(1-->3) linkages account for the branching of dextran. Conflicting data on the branch lengths implies that the average branch length is less than three…

Ammonium sulfate is an inorganic salt. Ammonium Sulfate may be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins. The use of ammonium sulfate in long PCR buffer, in PCR lysis solution, and…

Saponin is "built" from quillaic acid, a sugar and possibly other substances. It is a Glycoside widely distributed in plants. 1% of saponin solution can hemolyze erythrocytes. Saponin solutions have been used in the following ways: concentrations of 0.005%-0.01% were used to…

Albumins are a group of acidic proteins which occur in the body fluids and tissues of mammals and in some plant seeds. Serum and plasma albumin is carbohydrate-free and comprises 55-62% of the protein present. However, only about 40% of the total albumin in the body is in the circulating plasma at…

Boric acid has a single boron; its salt forms complex equilibria in solution, with the ion B4O7-2 being the predominant species. Boric acid is used for weatherproofing wood and fireproofing fabrics; as a preservative; manufacturing of cements, crockery, porcelain, enamels, glass, borates,…

Trypsin is a porcine pancreas-derived enzyme that is commonly used for the dissociation and disaggregation of anchorage-dependent mammalian cells and tissues. The concentration of trypsin necessary to dislodge cells from their substrate is dependent primarily on the cell type and the age of the…

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…

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.

Sucrose is a disaccharide composed of glucose and fructose. Sucrose can be used to prepare density gradients for cell/organelle separation. It is used as a supplement in plant, insect, and bacterial culture media. It can also be used in various enzymatic assays.

Potassium acetate is used as a buffer in molecular biology research, notably in the isolation of DNA. Potassium acetate may be utilized in the isolation of RNA intermediates and products from in vitro splicing reactions performed with HeLa cell nuclear extract. Potassium acetate has been used to…

Ammonium Molybdate Tetrahydrate is an analgesic.

Gellan gum is a water-soluble polysaccharide produced by Pseudomonas elodea, a bacterium. Gelrite, gellan gum, is recommended as a gelling agent for use in place of agar in microbiological media. Gellan gum is used in a wide variety of immobilization matricies. As a food additive, gellan gum is…

Prior to lyophilization, the product is filtered through a 0.2 µm filter. Albumin is used to solubilize lipids, and is also used as a blocking agent in Western blots or ELISA applications. Globulin free albumins are suitable for use in applications where no other proteins should be present…

Baker's yeast is of the species Saccharomyces cerevisiae. Yeast, or Baker's yeast, is commonly used as a leavening agent in baking bread and bakery products, where it converts the sugars present in the dough into carbon dioxide and ethanol. Dried Active has been reported to…

Borax is a salt of boric acid which is used as a buffer. It has a co-complexing ability with other agents in water to form complex ions with various substances. It is also commonly utilized in chromatography and electrophoresis studies. Borax is typically used as a buffer component,…

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.

Potassium chloride is a salt commonly used in the preparation of phosphate buffered saline and for the extraction and solubilization of proteins. It is a good potassium source. Also used in the hypotonic KCl-propidium iodide protocol for univariate analysis of metaphase chromosomes; dissociation of…

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…