L-Glutamine

Phenolphthalein can be used in a 1% alcoholic solution as an indicator in titrations of mineral and organic acids and most alkalies. Not suitable for ammonia. Very sensitive to CO₂; and, in estimating carbonates, the liquid must be boiled. Borax can be titrated with phenolphthalein as an…

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…

Mannitol is carbohydrate found in plants and plant exudates. D-Mannitol is used with boric acid in the manufacturing of dry electrolytic condensers for radio applications. In pharmacy, used as as excipient and diluent for solids and liquids. In analytical chemistry for boron determinations. In…

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…

L-Asparagine is used in cell culture media and is a component of MEM non-essential amino acids solution. L-Asparagine has been shown to enhance ornithine decarboxylase activity in cultured human colon adenocarcinoma Caco-2 cells and in cultured IEC-6 intestinal epithelial cells. Spore germination…

MP EcoChrom™ Silica, GF-TLC, contains fluorescent indicator F254 and gypsum. They are produced from the same highly standardized raw material as the MP EcoChrom™ Silica for column chromatography. They are available with or without binder and with or without fluorescent indicators. MP…

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…

MP EcoChrom™ Silica is an oxide of silicon. Their sieve cuts are optimized according to the sieve range of the German Industrial Standard (DIN). The irregular shape of this product permits easy packing of columns of different sizes and optimization of column permeability and plate number.…

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…

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…

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…

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. Bovine albumin is a single polypeptide chain consisting of approximately 583 to 595 amino…

Polyvinylpyrrolidone K 30 is used as thickeners, dispersing agents, detoxicant, complexing agent, lubricants and binders. Polyvinylpyrrolidone is a component of Denhardt′s Solution.

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…

Sorbose is a ketose belonging to the group of sugars known as monosaccharides. It has a sweetness that is equivalent to sucrose. The commercial production of vitamin C (ascorbic acid) often begins with sorbose. L-Sorbose is used as a starting reagent for the commercial biosynthesis of ascorbic…

Synonyms: EDTA disodium salt, (Ethylenedinitrilo)-Tetraacetic Acid disodium salt, Cheladrate, Chelaplex III, Chelaton III, Complexon III, d'E.D.T.A. Disodique, Disodium diacid ethylenediaminetetraacetate, Disodium ethylenediaminetetraacetate dihydrate, EDTA-Na₂, Edathamil, Edetate…

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.…

Calcium chloride (CaCl2) is inexpensive, easily available calcium salt with a wide range of applications. It is a key component in deicers as it melts snow and ice. Reports suggest that CaCl2 helps in retaining the firmness of fresh cut fruits and vegetables during storage. Calcium chloride may…

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…

α-Ketoglutaric acid disodium salt dihydrate is suitable reagent used in a study to investigate the role of nitric oxide (NO) in mast cell physiology and biochemistry. α-Ketoglutaric acid disodium salt dihydrate (2-Oxoglutaric acid disodium salt) may be used as starting reagent for…

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 Phosphate Monobasic is mainly used in fertilizers, as acidulant in baking powders and in wheat flours, mineral supplement for foods and feeds, in enameling. Phosphorus is an essential nutrient and therefore is a common component of agricultural fertilizers. Calcium dihydrogen phosphate is…

Urea is a prinicipal protein metabolite end product of nitrogen metabolism in most mammals, formed by the enzymatic reactions of the Kreb's cycle and the major product for the removal of free ammonia (NH4+) in vivo. Urea is a mild agent usually used in the solubilization and denaturation of…

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…

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…

Papain is a sulfhydryl protease from Carica papaya latex. (A second protease, chymopapain, and a lysozyme have also been isolated from this same source.) Since native crystalline papain is quite unreactive until acted upon by mild reducing agents such as cysteine or cyanide, it may exist as a…

MP EcoChrom™ Alumina A, activity Super I shows adsorbtion capacity approximately twice as high as that of MP EcoChrom™ Alumina A, Activity I. Their inital activity is kept in a very narrow range and their deactivation behavior is extremely constant. MP EcoChrom™ Alumina A,…

Potassium phosphate is a reagent with high buffering capacity. It occurs in several forms: monobasic, dibasic and tribasic (K3PO4). Most pH neutral potassium phosphate buffer solutions consist of mixtures of the monobasic and dibasic forms to varying degrees, depending on the desired pH. …

MP EcoChrom™ Silica, the chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with the chemical formula SiO2 with a mean pore size of 60Å and particles size of 63-200μm. MP silica are free of particles outside the standard range. The…

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