Polyvinyl Alcohol (PVA) is used as a tissue stabilizer or mounting media in histochemistry. PVA has been used as a preservative. PVA forms microgels in aqueous solution. Polyvinyl alcohol is used as a biological reagent to test the dispersion of zinc oxide nanoparticles. It is an effective protein…

Chloramine T Sodium Salt Trihydrate is a reagent for selective oxidation of methionine. It is used as an antibacterial agent; a topical antiseptic. Capable of oxidative cyclization to produce various heterocycles. Nitrene source for aziridinations and aminohydroxylations. Reactant for Preparation…

4-Aminoantipyrine is a reagent for determination of chlorinated phenols, phenylglycosidase, and glucose in the presence of phenol and peroxidase.

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…

Chitosan is a cationic marine polymer derived form the shells of crustaceans (e.g., crabs). MP's chitosan is a partially de-acetylated chitin formed by the reaction of chitin with concentrated alkali. Chitin is a high molecular weight linear polymer of anhydro-N-acetyl-glucosamine. Chitin…

p-Dimethylaminobenzaldehyde is used as a reagent for the determination of amino acids and peptides, amines, indoles, hydrazines and hydrogen peroxides as it forms colored condensation products (Schiff bases) with pyrroles and primary amines; spray reagent for tryptophan; For the determination of…

Lidocaine is a selective inverse peripheral histamine H1-receptor agonist with an IC50 of >32 μM. Lidocaine is also an anasthetic and class Ib antiarrhythmic agent. This compund is known to block voltage-gated sodium channels in the inactivated state. Lidocaine is a second-generation…

Ethylenediamine Tetraacetic Acid is a polyamino carboxylic acid hexadentate ligand and a chelating agent. Ethylenediamine Tetraacetic Acid is a chelator of divalent cations. It also inhibits enzymes, such as metalloproteases, that require divalent cations for activity. Zinc-dependent…

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…

N-Lauroylsarcosine is an anionic detergent. N-Lauroylsarcosine is used for solubilization and separation of membrane proteins and glycoproteins; reported to inhibit hexokinase. It is useful in concentrated salt solutions used in the cell lysis step during RNA purification (helps avoid excessive…

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.

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.

Lactase is an enzyme preparation produced by Aspergillus oryzae fermentation. Hydrolyzes Lactose Produces β-D-Galactose and a-D-Glucose One unit will hydrolyze 1.0 µmole of o-nitrophenyl-beta-D-galactoside to o-nitrophenol per minute at pH 4.5 and 30°C …

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…

Ferrous sulfate heptahydrate is a reagent used in the manufacturing of iron compounds, in electroplating baths, aluminium etching, process engraving and lithography, and in redox polymerisation. It is used as a reducing agent in chemical processes, leather dyes and writing inks. Also, it is a…

Lidocaine is the first amino amide–type local anesthetic. Lidocaine is used topically to relieve itching, burning and pain from skin inflammations, injected as a dental anesthetic or as a local anesthetic for minor surgery. A common local anesthetic and antiarrhythmic drug. Na+ channel…

Thiobarbituric acid (TBA) reaction has been used to detect lipid oxidation. When lipids are oxidized, malonaldehyde is formed. TBA reacts with malonaldehyde in hot acid to form a red complex of malonaldehyde:TBA (1:2). Used to quantitate lipopolysaccharides, carrageenan, and sialic acids; used…

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…

Palmitic acid, or hexadecanoic acid is one of the most common 16 carbon saturated fatty acids found in animals and plants. It occurs as the glyceryl ester in many oils and fats. Palmitic acid has been reported to target proteins to cell membranes. It has been found to promote triglyceride…

Chloroquine Diphosphate salt is a member of the quinolone family and a lysosomotropic agent (accumulate inside the acidic parts of the cell). This accumulation leads to inhibition of lysosomal enzymes that require an acidic pH, and prevents fusion of endosomes and lysosomes. Chloroquine…

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…

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…

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…

Cetyltrimethylammonium bromide is a phase transfer catalyst ideal for the precipitation of DNA. Hexadecyltrimethylammonium bromide is a bactericidal, cationic detergent. Its activity is neutralized by soaps and anionic detergents (i.e., SDS). Trimethylammonium bromide compounds form insoluble…

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.

Caffeine is a well-known drug commonly used as a mild stimulant, found in dietary sources such as coffee, tea, and cocoa. A central nervous system stimulant believed to act through adenosine receptors and monoamine neurotransmitters. It is an adenosine receptor antagonist and adenosine…

Hexamethylenetetramine is a tetraamine compound with a structure analogous to adamantane. Hexamethylenetetramine is used for amino acid preparation. It is also used in synthesis as a formylation agent and is employed in preparing specialized materials. It is also used as a precipitating agent. …

Glycine is a non-essential amino acid. Only amino acid with no asymmetric carbon. It is a major inhibitory neurotransmitter. Glycine is widely used as a buffer for a variety of immunological applications. Glycine is also used as an eluent in column chromatography. Glycine has been reported for…

L-Glutamine, the uncharged and amidated analog of L-glutamic acid, is an important amino acid for the incorporation of NH4+ into biomolecules. It is biosynthesized from NH4+ and glutamate via the enzyme glutamate synthetase. In turn, degradation of glutamine to free the ammonia moiety is mediated…

L-Glutamine, the uncharged and amidated analog of L-glutamic acid, is an important amino acid for the incorporation of NH4+ into biomolecules. It is biosynthesized from NH4. L-Glutamine is an essential amino acid that is a crucial component of culture media that serves as a major energy source…