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Applications:Enzyme activity assays

Content Type:Protocol

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The ELISpot (Enzyme Linked Immuno-Spot) assay provides an effective method of measuring the antibody or cytokine production of immune cells on the single cell level.

Alkaline Phosphatase (AP) Protocol

Alkaline phosphatase (AP) is a non-specific phosphomonoester hydrolase that catalyzes the hydrolysis of a wide variety of organic monophosphates.

Thrombin from Bovine Plasma

Thrombin is an endolytic serine protease that selectively cleaves the Arg–Gly bonds of fibrinogen to form fibrin and release fibrinopeptides A and B.

Enzymatic Assay of Choloylglycine Hydrolase

To standardize a procedure for the determination of the enzymatic assay of choloylglycine hydrolase.

Enzymatic Assay of Fumarase

Protocol Guide: WST-1 Assay for Cell Proliferation and Viability

WST-1 assay protocol for measuring cell viability, proliferation, activation and cytotoxicity. Instructions for WST-1 reagent preparation and examples of applications. Frequently asked questions and troubleshooting guide for WST-1 assay.

Enzymatic Assay of L-Lactic Dehydrogenase (EC 1.1.1.27)

This procedure applies to all products from heart muscle that have a specification for L-Lactic Dehydrogenase activity.

Enzymatic Assay of Hyaluronidase (3.2.1.35)

This procedure may be used for Hyaluronidase products.

Diethanolamine Assay for the Enzymatic Assay of Alkaline Phosphatase (EC 3.1.3.1)

Enzymatic Assay of Alkaline Phosphatase, Diethanolamine Assay (EC 3. 1. 3. 1)

Enzymatic Assay of Carbonic Anhydrase for Wilbur-Anderson Units (EC 4.2.1.1)

Enzymatic Assay of Proteinase K (EC 3.4.21.64)

Proteinase K (EC 3.4.21.64) activity can be measured spectrophotometrically using hemoglobin as the substrate. Proteinase K hydrolyzes hemoglobin denatured with urea, and liberates Folin-postive amino acids and peptides. One unit will hydrolyze hemoglobin to produce color equivalent to 1.0 μmol

Procedure for Enzymatic Assay of α-Chymotrypsin (EC 3.4.21.1)

Follow our procedure for the determination of a chymotrypsin activity. This enzymatic assay of alpha chymotrypsin guides you through the entire process and necessary calculations.

Enzymatic Assay of Cholesterol Oxidase

This procedure applies to products that have a specification for the enzymatic activity of cholesterol oxidase. This assay is NOT to be used to assay Cholesterol Oxidase from Schizophyllum commune (Discontinued Product Number C7274) and from Brevibacterium sp. (Discontinued Product

Enzymatic Assay of Elastase (EC 3.4.21.36)

Enzymatic Assay of Elastase (EC 3.4.21.36), a continuous spectrophotometric rate determination.

Enzymatic Assay of Phytase (EC 3.1.3.8)

Derived from procedure SSPHYT02. Includes template updates to current SOP specifications and incorporation of notes into the procedure.

Enzymatic Assay of Pectinase

Objective: To standardize a procedure for determining the enzymatic activity of Pectinase.

Assay Procedure for Protease

This procedure is for informational purposes including assay Procedure, definition, and calculations for Protease

Enzymatic Assay of Peroxidase (EC 1.11.1.7) 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a Substrate

To standardize a procedure for the assay of Peroxidase using 2,2'-Azino-bis(3-Ethylbenzthiazoline-6-Sulfonic Acid) as a substrate.

Enzymatic Assay of Collagenase (EC 3.4.24.3) using FALGPA (N-(3-[2-Furyl]acryloyl)-Leu-Gly-Pro-Ala)

This procedure may be used for Collagenase products.

Enzymatic Assay of Amyloglucosidase (EC 3.2.1.3)

This procedure may be used for the determination of Amyloglucosidase activity using starch as the substrate.

Pull-down assays

This page provides information about different pull-down assays for the further isolation of multiprotein complexes to identify their components with products from Cytiva.

Enzymatic Assay of Plasmin with D-Val-Leu-Lys-p-Nitroanilide Dihydrochloride

Protocol for Enzymatic Assay of Plasmin with D-Val-Leu-Lys-p-Nitroanilide Dihydrochloride

Enzymatic Assay of Phosphoglucomutase (EC 5.4.2.2)

This procedure may be used for all Phosphoglucomutase products except for Phosphoglucomutase, Catalog Number P4109.

Enzymatic Assay of Ferredoxin NADP Reductase (EC 1.18.12)

Enzymatic Assay of Ferredoxin NADP Reductase - To standardize a procedure for the enzymatic assay of Ferredoxin NADP Reductase (EC.1.18.12).

Enzymatic Method for Determining Alanine (Alanine Assay)

Assay protocol for the colorimetric/fluorometric detection of Alanine in biological samples using the alanine assay kit.

Enzymatic Assay of Endoproteinase Glu-C (EC 3.4.21.19)

This procedure may be used for determination of Endoproteinase Glu-C enzymatic activity using N-t-Boc-L-glutamic acid α-phenyl ester as the substrate.

Assay Procedure for Xanthine Oxidase Microbial

The appearance of uric acid is measured at 293nm by spectrophotometry.

Spectrophotometric Determination of Reinheitszahl (RZ) for Peroxidase (EC 1.11.1.7)

Reinheitszahl (RZ) is the ratio of absorbance due to hemin (A403, Soret region) to absorbance due to protein (A275).

GST Detection Module with CDNB Enzymatic Assay

This page describes enzymatic detection of GST-tagged proteins with the GST Detection Module from Cytiva.

Enzymatic Assay of Neuraminidase

Enzymatic Assay of Neuraminidase applies to products that have a specification for neuraminidase content by enzymatic determination.

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