DOWNSTREAM PROCESSING FEATURED ARTICLES
Four years ago, a potential HIV vaccine showed promise against the virus that causes AIDS, but it fell short of providing the broad protection necessary to stem the spread of disease.
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Novel Protein May Help Detect Lou Gehrig's Disease And Dementia, Mayo Clinic Finds
Researchers at Mayo Clinic have discovered an abnormal protein that accumulates in the brains of many patients affected with two common neurodegenerative disorders — amyotrophic lateral sclerosis, also known as ALS or Lou Gehrig's disease, and frontotemporal dementia.
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Thermo Fisher Scientific And Immundiagnostik Collaborate To Develop Mass Spectrometry-Based Clinical And Research Tools
Thermo Fisher Scientific, Inc., the world leader in serving science, and Immundiagnostik AG today announced a collaboration to develop novel mass spectrometry-based assays for qualitative and quantitative analysis of proteins and peptides. The goal is development of commercial assays to be widely applicable in research and routine clinical analysis.
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![ry_2001]( "Paired Genes In Stem Cells Shed New Light On Gene Organization And Regulation")
Paired Genes In Stem Cells Shed New Light On Gene Organization And RegulationWhitehead Institute researchers have determined that DNA transcription, the process that produces messenger RNA (mRNA) templates used in protein production, also runs in the opposite direction along the DNA to create corresponding long noncoding RNAs (lncRNAs). By Nicole Giese Rura
DOWNSTREAM PROCESSING WHITE PAPERS & CASE STUDIES
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![A Purification Strategy For Clinical-Grade Monoclonal Antibody]( "A Purification Strategy For Clinical-Grade Monoclonal Antibody")
A Purification Strategy For Clinical-Grade Monoclonal AntibodymAbs are currently the most important class of therapeutic proteins. Advances in upstream process technologies have led to tremendous improvement of mAb titers in mammalian cell culture.
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![Bio-rad]( "Mammalian Virus Purification Using Ceramic Hydroxyapatite")
Mammalian Virus Purification Using Ceramic HydroxyapatiteConventional techniques for mammalian virus purification produce variable quality, quantity, and significant loss of particle infectivity. We propose the chromatographic separation of viral particles of diverse sizes and from different families such as dengue, influenza, mouse hepatitis, adenovirus, poliovirus using CHT Ceramic Hydroxyapatite resin.
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![ANAKTAstart]( "Automating Protein Purification Processes Achieves Reliable Results And Reproducibility")
Automating Protein Purification Processes Achieves Reliable Results And ReproducibilityÄKTA start is an easy-to-use, reliable protein purification system. In this application note it is described how Erica, a post-doctoral researcher, used ÄKTA start to purify GST-tagged protein using a predefined method template, a GSTrap FF column, and a Frac30 fraction collector.
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![Optimized Purity And Recovery Of A Monoclonal Antibody Using Mixed-Mode Chromatography Media]( "Optimized Purity And Recovery Of A Monoclonal Antibody Using Mixed-Mode Chromatography Media")
Optimized Purity And Recovery Of A Monoclonal Antibody Using Mixed-Mode Chromatography MediaMonoclonal antibodies (mAbs) remain a predominant class of therapeutic protein products on the market because of their wide range of applications in disease treatment and diagnosis. Over the years, upstream technology advancements have helped improve the titer of target antibodies, from merely 1 g/L two decades ago to 10–13 g/L in fed-batch processes and up to 25 g/L in perfusion cultures today (Gronemeyer et al. 2014).
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Avoiding Drug Shortages With Microbial Detection
Over the past year, critical drug shortages used to treat a host of life-threatening illnesses have been making headlines. Microbial contamination has been cited as a major contributor to the shortage, yet the prevailing practices to ensure the safety of drugs have been slow to change. In most cases, quality assurance practices safeguarding the drug making environment continue to rely on periodic air and a culturing method from a prior century. By Aric Meares, President and CEO, BioVigilant
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Rapid Chemically-Defined Feed Media Development to Improve Simulated Cell Culture Processes
Implementing an optimized feed medium may be the most effective alternative for modifications to the growth medium in an existing process.
DOWNSTREAM PROCESSING PRODUCTS
A wide selection of ion exchange resin is available in various particle sizes, ionic forms, and purity ranges to offer a variety of purification solutions for process applications. Nuvia ion exchange resins are a family of best-in-class ion exchangers built with exceptionally high capacities and excellent purification capabilities, providing process developers more flexibility and higher productivity. The Macro-Prep are rigid macroporous hydrophilic resin meet the demands of process-scale applications. Chemically and mechanically stable, the resin operate well at low and medium pressures.
DOWNSTREAM PROCESSING MULTIMEDIA
Bioprocess With The Bozenhardts is back, with a fresh episode packed with advice from Herman and Erich on the selection of filling systems for biopharmas. Listen in as the Bozenhardts give us an update on the process, logistics, and administration trends that are informing filling system decisions today, and offer direction on making choices that will prepare you for the fast-advancing therapies of tomorrow.
Bio-Rad now offers two very high capacity ion exchangers: Nuvia S, which can be used for capture and/or intermediate polishing; and Nuvia Q, which can be used for intermediate and/or final polishing.