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Enzyme activity assays

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Enzymatic Assay of Esterase
Objective: To standardize a procedure for the enzymatic determination of Esterase activity using Ethyl Butyrate as a substrate.
Enzymatic Assay of Acid Phosphatase (EC 3.1.3.2)
Enzymatic Assay of Acid Phosphatase (EC 3.1.3.2)
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.
Assay Procedure for Protease
This procedure is for informational purposes including assay Procedure, definition, and calculations for Protease
Enzymatic Assay of Diamine Oxidase (E.C. No. 1.4.3.22)
To standardize a procedure for the enzymatic assay of Diamine Oxidase.
Enzymatic Assay of Pepsin (3.4.23.1)
This procedure may be used for determination of Pepsin activity using hemoglobin as the substrate. It is a spectrophotometric stop rate determination.
IFN-γ ELISpot Assays on MultiScreen® IP
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.
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 Sulfatase (EC 3.1.6.1.)
Enzymatic Assay of Sulfatase (EC 3.1.6.1.)
Recycling Micro-Assay of β-NAD and β-NADH
Objective: To standardize a procedure for the recycling micro-assay of β-NAD and β-NADH
Assay Procedure for Glycerol Dehydrogenase
Assay Procedure for Glycerol Dehydrogenase
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 Assay of Peroxidase (EC 1.11.1.7)
This procedure is for the determination of Peroxidase enzymatic activity using Pyrogallol as the substrate.
Enzymatic Activity of Glucose-6-Phosphatase [EC 3.1.3.9]
To measure glucose-6-phosphatase activity, the Taussky-Shorr method is used. This method is a spectrophotometric stop-rate determination assay that is measured at 660 nm.
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.
Enzymatic Assay of Collagenase (EC 3.4.24.3) using FALGPA (N-(3-[2-Furyl]acryloyl)-Leu-Gly-Pro-Ala)
To measure collagenase activity, N-(3-[2-Furyl]acryloyl)-Leu-Gly-Pro-Ala is used in a continuous spectrophotometric rate determination at 345 nm. Collagenase hydrolyzes collagen peptide bonds.
Enzymatic Assay of Achromopeptidase
To measure achromopeptidase activity, this procedure uses bacterial cells and a turbidimetric rate assay. Turbidity is measured at 600 nm using a spectrophotometer.
Enzymatic Assay of Lysozyme (EC 3.2.1.17)
This enzymatic rate determination may be used for Lysozyme products. It is not to be used to assay recombinant or insoluble Lysozyme on agarose.
Enzymatic Assay of Alcohol Oxidase (EC 1.1.3.13)
To measure alcohol oxidase activity, this assay uses 2,2′-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) and a continuous spectrophotometric rate determination at 405 nm.
Enzymatic Assay: Carboxypeptidase
Carboxypeptidase A activity measured via continuous spectrophotometric rate determination assay with hippuryl-L-phenylalanine substrate.
WST-1 Assay Protocol for Cell Viability
WST-1 assay protocol for cell viability and cytotoxicity measurements with preparation instructions, applications, FAQs, and troubleshooting.
Enzymatic Assay: Laccase (EC 1.10.3.2)
Laccase, a biocatalyst, oxidizes aromatic compounds with molecular oxygen reduction, making it useful in various applications.
Trypsin Assay Procedure (EC 3.4.21.4)
Continuous spectrophotometric rate determination method using BAEE substrate measures trypsin activity, essential for enzyme characterization.
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 Elastase (EC 3.4.21.36)
Enzymatic Assay of Elastase (EC 3.4.21.36), a continuous spectrophotometric rate determination.
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 Trypsin Inhibitor
This technical article described the Enzymatic Assay of Trypsin Inhibitor.
Enzymatic Assay of β-Glucuronidase (EC 3.2.1.31) from E. coli
Objective: To standardize a procedure for the enzymatic assay of β-Glucuronidase.
Enzymatic Assay of Aprotinin
Objective: To standardize a procedure for the enzymatic assay of Aprotinin.
Enzymatic Assay of Lyticase
This procedure may be used for the determination of Lyticase activity using Baker’s yeast as the substrate.
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