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…

Ribonucleic acid (RNA) from torula yeast may be used as a substrate for studying ribonuclease activities of enzymes such as ribonuclease-A, ribonuclease T1 (RNAase) and bougainvillea xbuttiana antiviral protein 1 (BBAP1).

Anhydrous Calcium Chloride is highly hygroscopic and is often used as a desiccant. Calcium plays important roles in many biological processes, including signal transduction, muscle contraction, maintenance of cell membranes and cell wall stability. Calcium chloride is a soluble compound that can…

L-Glutamic Acid is a non-essential amino acid for human development; referred to as an excitatory amino acid (EAA) due to its role in neurotransmission. Acts as a neurotransmitter at fast synapses; agonist at kainate, NMDA and quisqualate receptors. L-Glutamic acid is one of the two amino acids…

Triethanolamine is a zwitterionic buffer. Triethanolamine(TEA) is used primarily as an emulsifier and surfactant. It neutralizes fatty acids, adjusts and buffers the pH, and solubilises oils and other ingredients that are not completely soluble in water. Triethanolamine is also used as organic…

Dissolve 8 g of the medium in a liter of deionized or distilled water. Dispense as desired and sterilize at 121°C (15 lbs. of pressure) for 15 minutes. Nutrient Broth is used in many laboratory procedures as is, or with added indicators, carbohydrates, organic liquids, salts, etc. This…

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…

D(+)Glucose, Anhydrous is a granular monosaccharide. Glucose is a main source of energy for living organisms. Glucose occurs naturally in the free state in fruits and other parts of plants. Glucose is combined into glucosides, disaccharides, oligosaccharides, the polysaccharides (cellulose and…

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.…

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…

p-Aminobenzoic acid is an organic compound used in the treatment of fibrotic skin disorders like Peyronie's disease. It is employed as an intermediate in the synthesis of folate (Vitamin BX), azo dyes and cross linking agents. It is also useful in biomedical sector for the preparation of local…

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…

Thioglycolic acid protects tryptophan in amino acid analysis,and also mediates formation of ATP from ADP. It lowers the oxidation-reduction potential and neutralises mercurial preservatives. An inhibitor of fatty acid oxidation. An agent that prevents the metabolism of fatty acids and stimulates…

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…

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…

Ammonium Molybdate Tetrahydrate is an analgesic.

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…

MP EcoChrom™ Alumina B, Activity I are good "all-round" adsorbents for laboratory use as well as for industrial use. They can be adjusted to lower activity by the addition of polar media, preferably water, but also higher alcohols, e.g. glycol or glycerol can be used. An oxide of…

Beef extract is a water soluble powder that is used in general purpose media. It is recommended for use in bacteriological examination of water, milk, and other materials, where uniform composition of media is important and for biochemical studies, particularly fermentation reactions because of its…

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…

Starch or amylum is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. Starch becomes soluble in water when heated. The granules swell and burst, the semi-crystalline structure is lost and the smaller amylose molecules start leaching out of the granule, forming…

MP offers this grade of albumin as a more highly purified product than our traditional True Cohn Fraction V Powder. Due to lower manufacturing costs, this grade is available at a substantial savings relative to our True Cohn Fraction V Powder. Albumin is general blocking reagent in ELISA, as a…

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…

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 200-500μm. MP silica are free of particles outside the standard range. The…

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…

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…

MP EcoChrom™ Alumina, Activity II-III is an economical adsorbents of medium activity. It is often used where activated charcoal can not be used due to its organic nature, or, where the cation exchange properties of basic alumina are desired. Is suitable for the development of separation…

Sodium phosphate dibasic heptahydrate is a reagent with very high buffering capacity widely used in molecular biology, biochemistry and chromatography. Sodium phosphate dibasic is highly hygroscopic and water soluble. Useful in conjunction with Sodium Phosphate, Monobasic in the preparation 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…

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…

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…

(PDA Agar) Suited for the cultivation of yeasts and molds from dairy products and other foods. It may also be used to induce sporulation in many fungi.