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We are happy to announce two new affinity purified antibody formats for detecting the FabRICATOR enzyme! The Anti-FabRICATOR Affinity Purified is an affinity purified goat polyclonal antibody and the Anti-FabRICATOR Affinity Purified Biotin Conjugated is an affinity purified and biotin-conjugated goat polyclonal antibody.
Scientists at Leiden University Medical Center (LUMC) present a multilevel mass spectrometry approach using SmartEnzymes for in-depth characterization of mammalian SARS-CoV-2 receptor-binding (RBD) domains. The COVID-19 disease caused by the SARS-CoV-2 virus has affected more that 100 million individuals in the ongoing pandemic. The enveloped RNA corona virus contains three structural proteins in the…
Biopharmaceuticals, including monoclonal antibodies (mAbs), have become an important class of therapeutics. The manufacturing procedure of mAbs is complex, and many possible variants of a particular mAb can be generated as a result of enzymatical and chemical modifications. Some of these modifications are critical for the efficacy and safety of the therapeutic mAb and are…
The new collaboration between Genovis and Waters Corporation is intended to bring fast and easy analytical workflows for biopharmaceuticals by combining the SmartEnzymes™ portfolio from Genovis with the unique instrumentation from Waters™. The lab work has already started, and we got a quick word with Andreas Nägeli, one of the scientists at Genovis contributing to…
The development of antibody-drug conjugates (ADCs) has evolved from first generation formats prepared by random conjugation technologies to next generation ADCs generated by site-specific conjugation. While significant improvements in overall efficacy and safety is displayed by site-specific formats, bioanalysis remains challenging due to complex in vivo biotransformation events including deconjugation, linker-payload cleavage and payload metabolism.…
Genovis launches FucosEXO, an α-fucosidase mix for efficient removal of α1-2, α1-3 and α1-4 linked Fucose on native N- and O-glycosylated proteins. Analysis of glycoproteins modified with complex glycan structures can be challenging and requires efficient and specific enzymatic tools. FucosEXO is a mix of α-fucosidases for efficient hydrolysis of α1-2, α1-3 and α1-4…
In recent years, bispecifics have gained popularity due to their therapeutic advantages over conventional IgG’s. In particular, the T-cell bi-specifics have received a great deal of attention due to their potential for improved efficacy. However, because of their complex TCB formats, there are multiple challenges associated with manufacturing and analysis of these type of biomolecules.…
Genovis receives funding from Vinnova for the development of a new high-throughput platform for a directed and efficient product development for quality assurance of biological drugs. To understand the project we got a quick word with the VP of Research & Development at Genovis, Rolf Lood. Rolf is heading the enzyme discovery team at Genovis…
A charge heterogeneity is an unfavorable phenomenon observed for mAbs and is considered as a critical quality attribute since it can alter the efficacy and pharmacokinetics of biopharmaceuticals. Acidic and basic species of an IgG are due to various chemical modifications on the molecule. The origin of acidic species has previously been reported to be…
Researchers at LFB Biotechnologies in Paris, France have carried out a thorough analysis and characterization of the impact of C-terminal lysine clipping to Fc-receptor binding using a range of SmartEnzymes from Genovis. The scientists separated an IgG1 antibody using SCX separation and purified the fractions without C-terminal lysines K0, with 1 C-terminal lysine K1…
The use of IgG-based antibodies in various clinical fields have increased over that past decades, continuing the development of better biopharmaceuticals. The use of other immunoglobulins including IgA, characterized with the ability to recruit effector cells, is progressively being considered a useful alternative. The complexity of the heavily glycosylated IgA does however pose analytical challenges…
Super resolution microscopy techniques such as stimulated emission depletion microscopy (STED) improves imaging resolution compared to conventional light microscopy. In STED microscopy, super resolution is achieved using photoactivatable dyes that are excited and de-excited selectively with a laser to restrict fluorescense to a specific focal point. While such super resolution methods in combination with immunostaining…
