3,3-Diaminobenzidine Tetrahydrochloride is a reagent used in colorimetric analysis of Se and other metals. DAB is utilized in many applications for visualization of peroxidase activity. In the peroxidase reaction DAB serves as a hydrogen donor in the presence of peroxide; the oxidized DAB forms…

8-Anilino-1-naphthalene Sulfonic Acid is a hydrophobic polarity sensitive fluorescent dye useful as a site probe to detect conformational changes in cell and micelle membranes and molecules such as proteins. ANSA is also used as a fluorescent probe for the estimation of the critical micelle…

Hydrogen peroxide is used as a reagent, disinfectant, antiseptic, and propellant. In synthetic chemistry, H2O2 is used for epoxidation and hydroxylation transformations, and is used as the raw oxidant source for generating more complicated and specific organic/inorganic peroxides.

Azure B Certified is used for differentiating cellular RNA (purplish) and DNA (blue-green) in plant tissues. Useful as a stain for Negri Bodies. Can be used in the Romanowsky-type stains for blood and blood protozoa.

PMA activates Ca2+- ATPase and potentiates forskolin-induced cAMP formation. It has been shown to inhibit apoptosis induced by the Fas antigen, but PMA induces apoptosis in HL-60 promyelocytic leukemia cells.

Phosphotungstic acid is used in histology as a component for staining of cell specimens. It is a common negative stain for viruses, nerves, polysaccharides, and other biological tissue materials for imaging by a transmission electron microscope.

Ethyl acetate is used primarily as a solvent and diluent. Ethyl Acetate is suitable for HPLC, spectrophotometry, environmental testing.

Resorcinol is an aromatic alcohol used in large scale processes such as tanning, the manufacture of resins and resin adhesives, the production of hexylresorcinol and p-aminosalicylic acid, and the dyeing and printing of textiles.

Boc-VLGR-pNA acetate salt (sequence Boc-Val-Leu-Gly-Arg-pNA), is a chromogenic substrate for horseshoe crab clotting enzyme. It has been widely used in detection assays for bacterial endotoxins. 25 mg, 100 mg

Glucose-6-phosphate dehydrogenase (G-6-PDH) was used as a model to test the effect of seed protein fractions on enzyme protection during dehydration. G-6-PDH has been utilized in assays for nicotinamide adenine dinucleotide and tissue pyridine nucleotides.

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…

A chromogenic substrate for Plasmogen Activator Serine Protease

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.

Tris-HCl is excellent biochemical and biological buffer for all applications where ultra high purity is required. The pH values of all buffers are temperature and concentration dependent. For Tris buffers, pH increases about 0.03 unit per °C decrease in temperature, and decreases 0.03-0.05 unit per…

Adenine has a wide range of chemical and biochemical roles in vivo and in vitro. It is a regulatory molecule and a component of DNA, RNA, cofactors (NAD, FAD) and signaling molecules (cAMP). It is used as a blood preservative and in viral research.

N-Acetyl-ß-D-mannosamine hydrate is used as a substrate to identify, differentiate and characterize enzymes such as N-acetyl-glucosamine epimerase(s) and aldolase(s). N-Acetyl-D-mannosamine is used for the synthesis of of N-acetylneuraminic acid.

Gentamicin Sulfate Solution is effective against gram-positive and gram-negative bacteria, as well as mycoplasma.

Bromophenol blue is a tracking dye for alkaline and neutral buffer systems. It is used as a tracking dye in DNA, RNA (agarose) and protein (polyacrylamide) gel electrophoresis. Bromophenol blue migrates at approximately the same rate as 300-500bp DNA in agarose gel and at the buffer front in…

Oxalic Acid Dihydrate

PIPES is frequently used as a buffering agent in biochemistry; it is an ethanesulfonic acid buffer developed by Good et al. in the 1960s. PIPES has a pKa near the physiological pH which makes it useful in cell culture work.

Ricinoleic Acid is used as a substrate for the synthesis of the conjugated linoleic acids.

MOPSO sodium salt is a zwitterionic aminosulfonate buffer that is very similar in structure to MOPS (3-morpholinopropanesulfonic acid), differing by the presence of a hydroxyl group on C-2 of the propane moiety.

Cellulase is used for protoplast preparations. This enzyme shows a very high filter paper decomposing activity, as well as, appreciable xylanase and hemicellulase activity. It is an effective enzyme for use with pectolyase Y-23 for plant cell wall removal. It has been used in a study to assess the…

L-Proline is used in cell culture media and is a component of MEM non-essential amino acids solution.

PMA activates Ca2+- ATPase and potentiates forskolin-induced cAMP formation. It has been shown to inhibit apoptosis induced by the Fas antigen, but PMA induces apoptosis in HL-60 promyelocytic leukemia cells.

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…

Tetracyline inhibits gram-positive, gram-negative and mycoplasma. It is used in tetracycline controlled gene expression systems (gene switches) such as the tet-on and tet-off systems. It is also used to select tetracyline resistant colonies in cell culture.

Lactic acid is an a hydroxyl carboxylic acid produced from pyruvate by the enzyme lactate dehydrogenase (LDH). Lactate is one of the main components of Ringer's lactate or lactated Ringer's solution. It is a fermentation acid from milk or carbohydrates

Glycine is commonly used as a component in Tris-glycine and Tris-glycine-SDS running buffers for polyacrylamide gel electrophoresis, a component of Towbin's transfer buffer for Western blots, a buffer substance in cryoenzymology, in osmotic pressure maintenance in isoelectric focusing of…

Used for washing spheroplasts and in isoelectric focusing to minimize endoosmotic flow in agarose gels. May be used to induce osmotic stress.

Sodium Potassium Tartrate Tetrahydrate

Aldolase is used in an hydrazine assay based on Boyer's modification in which 3-phosphoglyceraldehyde reacts with hydrazine to form a hydrazone which absorbs at 240 nm.