Bovine Transferrin is chromatographically purified from New Zealand-sourced bovine plasma in an ISO quality system assuring complete traceability and consistent high quality. Transferrin (HOLO) is an iron-rich product supplied as a heat-treated, lyophilized powder.

Papain is a sulfhydryl protease from Carica papaya latex. Cleaves peptide bonds of basic amino acids, leucine, or glycine Hydrolyzes esters and amides One unit will hydrolyze 1.0 µmole of N-alpha-benzoyl-L-arginine ethyl ester (BAEE) per minute at 25°C and pH 6.2 Papain…

β-NAD is one of the biologically active forms of nicotinic acid. Coenzyme of the dehydrogenases, especially in the dehydrogenation of primary and secondary alcohols Inhibitory neurotransmitter in visceral smooth muscle Acts as a hydrogen acceptor, forming NADH …

β-NAD is one of the biologically active forms of nicotinic acid. Occurs in living cells, primarily in the oxidized state Coenzyme for dehydrogenases NAD usually acts as a hydrogen acceptor, forming NADH Major electron acceptor molecule in biological oxidations. Acts as a…

Phenazine ethosulfate is an intermediate which is used to detect nitric oxide reducatase activity in concert with ascorbic acid.

β-NADH, a pyridine nucleotide and biologically active form of nicotinic acid, is a coenzyme necessary for the catalytic reaction of certain enzymes. β-NAD+ is a carrier for hydride ion, forming β-NADH. The hydride ion is enzymatically removed from a substrate molecule by the action…

2,6-dichlorophenolindophenol (DCPIP) is a blue chemical compound used as a redox dye. In Oxidized form DCPIP is blue; whereas in reduced form DCPIP is colorless. The rate of photosynthesis can be measured by the rate at which this dye changes color (is reduced) when exposed to light in a…

β-estradiol is a potent mammalian estrogenic hormone produced by the ovary. Triggers the production of gonadotropins leading to ovulation. β-Estradiol is used to study cell differentiation and transformations (tumorigenicity). The pharmacology and HPLC determination of β-Estradiol…

Collagenase is a protease which cleaves the triple-helical protein called collagen. There are three types of tissue collagenases, and these belong to the matrix metalloproteinases (MMP) family. Collagenase from Clostridium histolyticum has extensive use in biological studies, where it is used to…

2,3,5-Triphenyltetrazolium Chloride is a redox indicator. In the TTC assay (also known as TTC test or tetrazolium test), TTC is used to differentiate between metabolically active and inactive tissues. The white compound is enzymatically reduced to red TPF (1,3,5-triphenylformazan) in living tissues…

IPTG (isopropyl-β-thiogalactoside) is an analogue of allolactose that binds specifically to the repressor protein of the lac operon and induces expression of β-galactosidase in Escherichia coli. IPTG is a commonly used reagent in cloning procedures that require induction of…

A water-soluble bacteriolytic antibiotic in the carboxypenicillin group. It is effective against gram-negative bacteria. Inhibits bacterial cell-wall synthesis (peptidoglycan cross-linking) by inactivating transpeptidases on the inner surface of the bacterial cell membrane.

5-Bromo-2’-deoxyuridine is a thymidine analog and useful for the study of DNA synthesis where it is incorporated into DNA in place of thymidine. Measure DNA synthesis Label dividing cells Study cell signaling and processes that induce cell proliferation Used as a mutagen in…

Retinoic acid (RA) is a vitamin A-derived, non-peptidic, small lipophilic molecule that mediates the functions of vitamin A required for growth and development. It affects gene transcription and modulates a wide variety of biological processes like Cell Proliferation, Differentiation, including…

Collagenases degrade native helical collagen fibrils. Plays an important role in connective tissue metabolism Produced by specific cells involved in repairs and remodeling processes Type II enzyme that contains greater clostripain activity Collagenase is used for collagen…

Each donor unit used in the preparation of the product was tested and found negative for Anti-HIV 1/2, HBsAg, Anti-HCV and HIV-1 Ag by FDA approved methods or CE approved methods. Used as an immunological challenge in studies of mechanisms of immunotolerance.

Lysozyme (muramidase) hydrolyzes preferentially the β-1,4 glucosidic linkages between N-acetylmuramic acid and N-acetylglucosamine which occur in the mucopeptide cell wall structure of certain microorganisms, such as Micrococcus lysodeikticus. Extracts group specific antigens …

This is an ultrapure NAD, chromatographically purified to remove trace inhibitors. β-NAD, a pyridine nucleotide and biologically active form of nicotinic acid, is a coenzyme necessary for the catalytic reaction of certain enzymes. It occurs in living cells primarily in the oxidized state.…

Rifamycin SV is a broad-spectrum semisynthetic antimicrobial agent of the rifamycin group. Rifamycin SV is used to study potential genes, such as rif15 and rif16, which may be involved in the conversion of rifamycin SV into rifamycin B. It is a potential treatment for traveler’s diarrhea…

Linoleic acid (LA) is an unsaturated n-6 fatty acid; it belongs to one of the two families of essential fatty acids. The body cannot synthesize linoleic acid from other food components. Linoleic acid can be used to show the antioxidant effect of natural phenols.

Proteinase K Lyophilized Powder, ≥ 30 U/mg, Recombinant (Yeast). Proteinase K, a broad-spectrum serine protease, is first extracted and purified from Engyodontium album. It is named Proteinase K because it can degrade Keratin. The crystallization and molecular structure of…

β-NADP is a coenzyme necessary for the alcoholic fermentation of glucose and the oxidative dehydrogenation of other substances. It occurs widely in living tissue, especially in the liver. Nicotinic acid can be converted to nicotinamide in the body and, in this form, is found as a component of…

G418 is an aminoglycoside related to Gentamicin and is toxic to bacteria, yeast, higher plants, mammalian cells, protozoans and helminths. It blocks polypeptide synthesis in both prokaryotic and eukaryotic cells and is useful for selection of genetically engineered eukarytoic cells in culture.

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…

Naloxone is specific and competitive opiate antagonist at mu, kappa, delta and sigma receptors; it blocks the action of sigma-agonists at opioid sites. It displaces morphine and other opiate agonists from the opiate receptor. It is more potent than Nalorphine and is also an effective antagonist for…

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.

2-Hydroxypropyl-beta-Cyclodextrin are non-toxic solubilizers. The solubility of drugs increases linearly with the concentration of 2-Hydroxypropyl-b-cyclodextrin in aqueous buffer. The formation of drug/cyclodextrin complexes is a rapidly reversible reaction and complexes exist both in solution and…

Hyaluronidase is a glycoprotein containing 5% mannose and 2.17% glucosamine, it catalyzes the random hydrolysis of 1,4-linkages between 2-acetamido- 2-deoxy- b-D-glucose and D-glucose residues in hyaluronate. Hyaluronidase from bovine testes is a tetramer consisting of 4 equal subunits with a…

Heparin is a polymer classified as a mucopolysaccharide or a glycosoaminoglycan. It is biosynthesized and stored in mast cells of various mammalian tissues, particularly liver, lung and mucosa. It is made up of repeated disaccharide units consisting of 1,4-linked L-iduronic acid and D-glucosamine.…

Vitamin D3 is the naturally occuring form of vitamin D3. Vitamin D3 mediates intestinal calcium absorption, bone metabolism, and probably muscle activity. It acts as a hormone precursor since it requires two stages of metabolism: first to 25-hydroxycholecalciferol; then to 1 ,…

o-Nitrophenyl-β-D-galactoside (ONPG) is a colorimetric substrate for b-galactosidase. This product is hydrolyzed to o-nitrophenol by the enzyme. o-Nitrophenol is yellow in alkaline solution and can be quantitated at 410-420 nm 2 . o-Nitrophenyl-β-D-galactoside is a cell culture…

Doxycycline is an antibiotic  against gram-positive and gram-negative bacteria. More active biologically than the corresponding 6b-epimer hydrochloride. Derivative of oxytetracycline. A broad spectrum inhibitor used to inhibit matrix metallo-proteinases (MMP) such as type 1 collagenase in…