4834-98-4

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Enzymatic Assay of Cathepsin B

Cathepsin B is a lysosomal cysteine proteinase with broad specificity. This protocol uses Nα–CBZ–Arg–Arg–7–amido–4–methylcoumarin as the substrate for fluorometric detection of Cathepsin B activity.

Coupling Protocol for Primary Amine of a Ligand

This page shows coupling through the primary amine of a ligand with a NHS-activated Sepharose High Performance, NHS-activated Sepharose 4 Fast Flow and CNBr-activated Sepharose from Cytiva.

Purifcation or Removal of Serine Proteases, e.g. Thrombin and Trypsin, and Zymogens

This page shows how to remove serine proteases, e.g. thrombin and trypsin, and zymogens from recombinant products using HiTrap Benzamidine FF and Benzamidine Sepharose 4 Fast Flow from Cytiva.

Removal of Detergents from Biological Product Matrices

The Amberlite™ XAD-4 resin used in Porozorb™ cartridges is a proven technology that is highly effective in removing various detergents from cell culture media for biopharmaceutical applications such as vaccine production.

Titripac® Sustainable Packaging for Ready-to-Use Certipur® pH Buffers

Learn about our ready-to-Use Certipur® pH Buffer solutions (4 L & 10 L), available in an innovative Titripac® sustainable packaging for a wide pH range of 1 to 12.

Revised ISO 17995 Water Quality

This second edition of ISO 17995 has been revised by the Technical Committee ISO/TC 147, Water quality, Subcommittee SC 4, Microbiological methods, and replaces the first edition (ISO 17995:2005).

Purification Using GST HiTrap® 1 mL and 5 mL Columns: GSTrap™ 4B, GSTrap™ FF, and GSTrap™ HP

GSTrap™ affinity columns are specially designed 1 ml and 5 ml HiTrap® columns packed with Glutathione Sepharose High Performance, Glutathione Sepharose 4 Fast Flow, or Glutathione Sepharose 4B media.

radiello® Diffusive Air Sampling Application - Ozone

The adsorbing cartridge is formed by a micropore polyethylene tube filled with silica gel coated with 4,4’-dipyridylethylene and closed, at one end, by a PTFE cap. Upon exposure, acid-catalysed ozonolysis of 4,4’-dipyridylethylene leads to 4-pyridylaldehyde.

Cleavage and Purification of GST-Tagged Protein Bound to Glutathione Sepharose in Batch Mode

This page shows how to cleave and purify GST-tagged proteins bound to Glutathione Sepharose in batch mode from Cytiva. Glutathione Sepharose High Performance, Glutathione Sepharose 4 Fast Flow, and Glutathione Sepharose 4B can all be used for cleavage and purification

Flavors and Fragrances New Product Offerings

As a leading global supplier of new flavor and fragrance ingredients, we are dedicated to providing you with high-quality aroma chemicals comprising of certified food grade, IFRA, natural, kosher, and halal ingredients.

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