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660 résultats pour Enzymes

Vous avez recherché : Enzymes

Enzymes

Les enzymes accélèrent les réactions chimiques et sont reconnus pour catalyser plus de 5000 types de réactions. La plupart sont des protéines, quelques-unes sont des molécules d’ARN catalytiques.

Choisissez des enzymes pour séparer des liaisons, éliminer de l’ADN génomique à partir de préparations d’ARN, produire des fragments de protéines ou pour une utilisation en chromatographie d’échange d’ions. Les enzymes sont utilisées dans l’industrie chimique et autres applications industrielles lorsque des catalyseurs très spécifiques sont nécessaires.

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Bovine trypsin (from pancreas), MP Biomedicals

Supplier: MP Biomedicals

Trypsin consists of a single chain polypeptide of 223 amino acid residues. It is a member of the serine protease family. It composed of two subunits, α-trypsin and β-trypsin. α-Trypsin is composed of two peptide chains and β-trypsin is composed of one chain.

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beta-Galactosidase, MP Biomedicals

Supplier: MP Biomedicals

Inhibitors: p-Chloromercuribenzoate, lodoacetamide, heavy metal ions (Zn²⁺, Fe²⁺, Zn²⁺, Cd²⁺, Cu²⁺, Pb²⁺, Ag⁺, Hg²⁺), Ionic Detergents (SDS, DAC, etc.). Contaminants: The preparation is practically free from other glycosidases (a-galactosidase, a-,b-glucosidase, a-,b-mannosidase, etc.) and proteinase. Principle: o-Nitrophenyl-b-D-galactopyranoside (ONPG) b-galactosidase > o-Nitrophenol (ONP) +D-Galactose. The appearance of o-nitrophenol is measured at 410 nm by spectrophotemetry. Thermal stability: below 50 °C (pH 7,3; 15 min) (Lit.), Optimum Temperature: 50 to 55 °C (Lit.).

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Acetyl coenzyme A trilithium salt trihydrate, MP Biomedicals

Supplier: MP Biomedicals

Acetyl-CoA is produced via beta-oxidation of fatty acids, via the metabolism of carbohydrates - glucose 6-phosphate to pyruvate to acetyl-CoA and via the catabolism of amino acids. Acetyl-CoA has a number of metabolic opportunities. It is metabolised in the tricarboxylic acid cycle to produce carbon dioxide, water and energy.

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Protease

Supplier: Abnova

Protease

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Benzonase®

Supplier: MERCK PRODUCTION CHEMICALS

Benzonase®

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Glutathione S-Transferase

Supplier: Abnova

Glutathione S-Transferase

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Recombinant Poly(A) Polymerase (from E. coli)

Supplier: Abnova

Recombinant Poly(A) Polymerase (from E. coli)

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Recombinant Alkaline Phosphatase (from E. coli)

Supplier: Abnova

Recombinant Alkaline Phosphatase (from E. coli)

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Invertase

Supplier: MERCK PRODUCTION CHEMICALS

Humectants for confectionery

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Pig Trypsin (from Pancreas), MP Biomedicals

Supplier: MP Biomedicals

Pig Trypsin (from Pancreas)

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Pig Pepsin (from Gastric mucosa), MP Biomedicals

Supplier: MP Biomedicals

Stable powder 3X

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Bovine Ribonuclease A (from Pancreas), MP Biomedicals

Supplier: MP Biomedicals

Dissolves readily at 2 mg/ml in analytical grade water to give a clear colorless solution.

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Trichoderma viride cellulase Y-C, MP Biomedicals

Supplier: MP Biomedicals

Cellulase Y-C removes cell walls from plant tissues in shorter incubation period without loss of biological activity of the materials.

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Malt diastase, MP Biomedicals

Supplier: MP Biomedicals

DIASTASE from malt, 1X N.F. stable, 60 mesh powder. Ready for CE IVD labeling of clinical applications.

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Calf alkaline phosphatase (from intestine), MP Biomedicals

Supplier: MP Biomedicals

Alkaline phosphatase is a phosphomonoesterase, used to remove 5′-phosphate groups from nucleic acid molecules to prevent self-ligation of DNA fragments and vectors during recombinant DNA manipulations.

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Staphylococcus aureus (Strain V8) protease, MP Biomedicals

Supplier: MP Biomedicals

Protease isolated from S. aureus, strain V8, this protease exhibits cleavage of peptide bonds on the COOH-terminal side of either aspartate or glutamate residues.

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Horseradish peroxidase (from Roots), MP Biomedicals

Supplier: MP Biomedicals

Horseradish peroxidase (HRP) is isolated from horseradish roots and belongs to the ferroprotoporphyrin group of peroxidases. It is a single chain polypeptide containing four disulfide bridges. It is a glycoprotein containing 18% carbohydrate. The carbohydrate composition consists of galactose, arabinose, xylose, fucose, mannose, mannosamine, and galactosamine depending upon the specific isozyme.

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Aspergillus japonicus Pectolyase Y-23, MP Biomedicals

Supplier: MP Biomedicals

Pectolyase Y-23 contains two types of pectinase such as endopolygalacturonase and endo-pectin lyase in high activity. It includes maceration stimulating factor which stimulates tissue maceration by both pectinases.

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Aspergillus niger Catalase, MP Biomedicals

Supplier: MP Biomedicals

Catalase, fungal suspension from from Aspergillus niger is long-acting, extremely stable form of catalase that is active over a wide pH range. Composed of four protein subunits, each containing a heme group bound to its active site.

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beta-Galactosidase, MP Biomedicals

Supplier: MP Biomedicals

Inhibitors: p-Chloromercuribenzoate, iodoacetamide, heavy metal ions (Zn²⁺, Fe²⁺, Zn²⁺, Cd²⁺, Cu²⁺, Pb²⁺, Ag⁺, Hg²⁺), ionic Detergents (SDS, DAC, etc.). Contaminants: The preparation is practically free from other glycosidases (a-galactosidase, a-,b-glucosidase, a-,b-mannosidase, etc.) and proteinase. Principle: o-Nitrophenyl-b-D-galactopyranoside (ONPG) b-galactosidase > o-Nitrophenol (ONP) + D-Galactose. The appearance of o-nitrophenol is measured at 410 nm by spectrophotemetry. Thermal Stability: Below 50 °C (pH 7,3; 15 min) (Lit.), Optimum Temperature: 50 to 55 °C (Lit.).

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Elastase, MP Biomedicals

Supplier: MP Biomedicals

Elastase is prepared from porcine pancreas. It is lyophilised and water soluble. Elastase is chromatographically prepared by the method of Narayanan and Anwar. In the method, 2 times crystalline elastase is adsorbed on a column of DEAE-Sephadex A50 to separate elastase and non-specific protein components. The elastase component is further purified by chromatography on a column of CM-Cellulose using a sodium chloride gradient to elute the elastase. The latter is dialysed until chloride-free and then lyophilised. During its preparation the elastase is held below a pH of 5,5 for greater than 24 hours. Two times crystallised from the euglobin fraction of porcine pancreas by the method of Lewis et al. Does not contain trypsin or chymotrypsin.

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Penicillinase (beta-Lactamase)

Supplier: Chemicon

Penicillinase (beta-Lactamase)

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Human Trypsin (from pancreas)

Supplier: Chemicon

Human Trypsin (from pancreas)

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Bovine Ribonuclease A (from Pancreas)

Supplier: Chemicon

Bovine Ribonuclease A (from Pancreas)

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Human lysozyme (Muramidase) (from Milk)

Supplier: Chemicon

Human lysozyme (Muramidase) (from Milk)

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Pig Pepsin (from Gastric mucosa)

Supplier: Chemicon

Pig Pepsin (from Gastric mucosa)

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L-Lactate dehydrogenase (from Muscle)

Supplier: Chemicon

L-Lactate dehydrogenase (from Muscle)

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Penicillinase (beta-Lactamase) (from Enterobacter cloacae)

Supplier: Chemicon

Penicillinase (beta-Lactamase) (from Enterobacter cloacae)

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Chicken lysozyme (Muramidase) (from egg white)

Supplier: Chemicon

Chicken lysozyme (Muramidase) (from egg white)

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Bovine trypsin (from pancreas)

Supplier: Chemicon

Bovine trypsin (from pancreas)

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