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Latest Application Notes
Direct Visualisation, Sizing and Counting of Aggregation in Proteins
Application Note

Direct Visualisation, Sizing and Counting of Aggregation in Proteins

Characterising the state of aggregation in proteins is of paramount importance when trying to understand biopharmaceutical product stability and efficacy. Product quality, both in terms of biological activity and immunogenicity can be highly influenced by the state of protein aggregation.
Direct Visualisation, Sizing & Counting of Viruses and Phages in Liquid Suspension
Application Note

Direct Visualisation, Sizing & Counting of Viruses and Phages in Liquid Suspension

A new laser-based nanoparticle tracking analysis system is now available which allows nanoscale particles such as viruses and virus aggregates to be directly and individually visualised in liquids in real-time, from which high-resolution particle size distribution profiles can be obtained.
Contaminant bovine IgG assay
Application Note

Contaminant bovine IgG assay

Fetal calf serum containing bovine IgG is commonly used in mammalian cell culture media for the production of recombinant pharmaceuticals. During the purification process of a recombinant pharmaceutical, bovine IgG may be copurified with the product, and may represent a biological hazard for clinical use. Therefore, it may be necessary to assay for contaminant bovine IgG in a final product originating from mammalian cells.
Dual-Glo Luciferase Reporter-Gene Assay on the SpectraMax M5, LMax II384 and Analyst GT Microplate Readers
Application Note

Dual-Glo Luciferase Reporter-Gene Assay on the SpectraMax M5, LMax II384 and Analyst GT Microplate Readers

Reporter-gene assays are used to study eukaryotic gene expression. Dual genetic reporters are commonly used in transient transfections of cultured cells to minimize experimental variability. Recently, Promega introduced a Dual-Glo Lucoferase assay system which replaced the outdated ‘flash’ assays used previously. Ensuring both genetic reporters have different substrate requirements enables them to be detected using a single reaction mixture.
Measurement of Proteasome Inhibition in Live Cells in Molecular Devices Microplate Fluorometers
Application Note

Measurement of Proteasome Inhibition in Live Cells in Molecular Devices Microplate Fluorometers

The proteasome is a massive protein complex which can recognize and bind targeted proteins, and inject them into the central core where the proteins are successively degraded into short peptides. Whereas protein synthesis is well-understood after decades of study, major advances in our knowledge of protein degradation have occurred only in the last two decades.
LanthaScreen TR-FRET Assay Performance with Thermo Scientific Varioskan Flash Spectral Scanning Multimode Reader
Application Note

LanthaScreen TR-FRET Assay Performance with Thermo Scientific Varioskan Flash Spectral Scanning Multimode Reader

LanthaScreen technology uses time-resolved fluorescence resonance energy transfer (TR-FRET) to study multiple target classes including protein kinases, nuclear hormone receptors, as well as proteases and ubiquitinated proteins.
Integrated Solutions for High-Throughput Bioprocessing Applications
Application Note

Integrated Solutions for High-Throughput Bioprocessing Applications

Advances in blood banking, industrial biotechnology, bio-production and pharmaceutical laboratories have driven the need to process multiple sample batches.
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