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695 risultati per Enzimi | Avantor

Enzimi

Enzimi

Gli enzimi accelerano, o catalizzano, le reazioni chimiche, e si sa che catalizzano più di 5.000 tipi di reazioni biochimiche. La maggior parte degli enzimi sono proteine, sebbene alcuni siano molecole di RNA catalitico. Scegli enzimi specifici per scindere legami, rimuovere il DNA genomico dalle preparazioni di RNA, produrre frammenti di proteine o per l’uso nella cromatografia a scambio ionico. Gli enzimi sono utilizzati nell’industria chimica e in altre applicazioni industriali quando sono richiesti catalizzatori estremamente specifici.

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Chicken lysozyme (Muramidase) (from egg white)

Supplier: Rockland Immunochemicals

Chicken lysozyme (Muramidase) (from egg white)

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Nuclease S1

Supplier: Rockland Immunochemicals

Nuclease S1 is an endonuclease that is active against single-stranded DNA and RNA molecules. Although its primary substrate is single-stranded, it can also introduce single-stranded breaks in double-stranded DNA-RNA or DNA-RNA hybrids. Nuclease S1 is used in the laboratory as a reagent in nuclease protection assays. It is used in removing single stranded tails from DNA molecules to create blunt ended molecules and opening hairpin loops generated during synthesis of double stranded cDNA.

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Protease

Supplier: Rockland Immunochemicals

Protease S.aureus V8 (endoproteinase-glu-C) specifically cleaves peptide bonds on the COOH-terminal side of either aspartic or glutamic acids. In the presence of ammonium, the enzyme specificity is limited to glutamic sites. It has a molecular weight of 27000 daltons and optimum pH's of 4,0 and 7,8 with hemoglobin as the substrate. Enzyme activity is determined by the casein digestion assay.

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Tritirachium album proteinase K

Supplier: Rockland Immunochemicals

Tritirachium album proteinase K

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Bovine Ribonuclease A (from Pancreas)

Supplier: Rockland Immunochemicals

Bovine Ribonuclease A (from Pancreas)

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Ribonuclease A

Supplier: OMEGA BIO-TEK

Ribonuclease A

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Dnase

Supplier: OMEGA BIO-TEK

For DNase digestion during RNA purification. The RNase-free DNase set provides a rapid and efficient on-column digestion of DNA during RNA purification from a wide variety of sample sources using E.Z.N.A.® RNA kits. The DNases can be efficiently removed in subsequent steps. Generally, DNase digestion is not required for RNA purified with E.Z.N.A.® RNA kits since the silica-membrance, spin-column technology efficiently removes the majority of the DNA without DNase treatment. However, complete DNA removal may be necessary for certain RNA applications that are sensitive to very small amounts of DNA.

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Xanthine oxidase

Supplier: Cayman Chemical

Xanthine oxidase

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RNase A

Supplier: OMEGA BIO-TEK

Ribonuclease A (RNase A) is endonuclease-free and quality controlled for use in plasmid purification procedures for digestion of RNA.

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Pig MSG-Trypsin™

Pig MSG-Trypsin™

Supplier: G-Biosciences

Trypsin is a serine endopeptidase that specifically cleaves peptide bonds on the carboxy side of s-aminoethyl cysteine, arginine and lysine residues and typically there is little or no cleavage at arginyl-proline and lysyl-proline bonds. The distribution of these residues in proteins allows trypsin digestion to produce peptides that are readily identified by mass spectrometry.

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Bovine MSG-Trypsin™

Bovine MSG-Trypsin™

Supplier: G-Biosciences

Trypsin is a serine endopeptidase that specifically cleaves peptide bonds on the carboxy side of s-aminoethyl cysteine, arginine and lysine residues and typically there is little or no cleavage at arginyl-proline and lysyl-proline bonds. The distribution of these residues in proteins allows trypsin digestion to produce peptides that are readily identified by mass spectrometry.

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Linamarase (beta-D-Glucosidase)

Supplier: MEGAZYME

Linamarase (beta-D-Glucosidase)

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Trichoderma endo-1,3-beta-D-glucanase (from Trichoderma sp.)

Supplier: MEGAZYME

endo-1,3-β-D-Glucanase is isolated from Trichoderma species. These are used in carbohydrate and biofuels research, biochemical enzyme assays and in vitro diagnostic analysis.

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Human Recombinant 15-Lipoxygenase-2 (from E. coli)

Human Recombinant 15-Lipoxygenase-2 (from E. coli)

Supplier: Cayman Chemical

Two types of 15-lipoxygenase (15-LO) have been discovered and characterised, both of which metabolise arachidonic acid (AA) to produce 15(S)-hydroxyeicosatetraenoic acid (15(S)-HETE). 15-LO-1 oxygenates AA at both C-15 and C-12, whereas 15-LO-2 exclusively oxygenates C-15 of AA. Human 15-LO-2 has a molecular mass of approximately 76 kDa and exhibits approximately 40% identity to the reticulocyte 15-LO-1.2,3 expression of 15-LO-2 appears to be restricted to prostate, lung, skin, and cornea and may play a role in the normal development of these tissues.

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Proteinase K

Supplier: Abcam

Proteinase K antigen retrieval solution is a ready-to-use, single-component solution designed for proteolytic-induced antigen retrieval (PIER) in immunohistochemistry (IHC) and pre-treatment for in situ hybridization (ISH). - Cited in over 25 publications - Ready-to-Use – no preparation needed for immediate application - Incubate tissue section for 5-7 minutes at room temperature in IHC - Incubate tissue section for 15 minutes at 37°C in ISH

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Human thrombin (from blood)

Supplier: Cayman Chemical

Thrombin is the last enzyme in the clotting cascade functioning to cleave fibrinogen to fibrin and potentiates the procoagulation process by activating factors V, VIII, XI, and XIII.

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