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Biopharmaceuticals Hiding in the Woods
Prof. Rodney Savidge

Suggestions are provided of how efficient industrial bioprocessing can be accomplished, independently of highly expensive molecular biology approaches, in order to recover natural products of medicinal value from wild plant species.

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A Mix-and-Read Cell-Based Assay for Antibody Screening Against Epidermal Growth Factor Receptor
Wayne Bowen, David Onley, Tristan Cope

The conventional antibody screening assay based on antibody-antigen binding has been enzyme-linked immunosorbent assay (ELISA). While tedious and consuming, ELISA has proved sufficient for the identification of antibodies directed against secreted antigens. However, cell surface antigens (e.g. GPCRs) provide challenges for ELISA due to the shortage of soluble antigens and high variability resulting from loss of cells during wash procedures.

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Facing the challenges in bio-pharmaceutical production: newly developed polymer-based ion exchange chromatography media and their application to the purification for Immunoglobulin – from egg yolk
Masakatsu Omote, Noriko Shoji, Naohiro Kuriyama and Daniel Kune

Much attention has been given to ion exchange (IEX) media as a means to improve productivity as a result of increasing demand for higher efficiency on the downstream process. Until recently, strain optimisation for high productivity and upstream purification were the bottlenecks for most bio-processes.

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Development and NDA-Level Validation of a Real-Time PCR Procedure for Detection and Quantification of Residual E.coli DNA Contamination of Biopharmaceutical Products
Dan Papa, Pedro J. Morales and Michael D. Sadick

Escherichia coli (E. coli) has been commonly used for the production of biopharmaceuticals. Among the impurities that must be monitored in biopharmaceuticals is residual host-cell DNA (HCD). This study describes the development and subsequent NDA-level validation of a real time PCR procedure developed in response to a client’s need to improve the sensitivity of detection and quantification of residual E. coli HCD in their drug product.

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Hepatitis B virus (HBV) and Human immunodeficiency virus (HIV) antibodies detected by peptide microarrays
ahmed Abd El Wahed1, Ulrike Beutling2, Ronald Frank2, Gerhard Hunsmann1, and Hans-Joachim Fritz3

HBV and HIVenv chips with overlapping oligopeptides encompassing the full amino acid sequences of HBV and HIV polypeptides were produced. In addition, a chip displaying a library of random 4608 different 15-mers peptides (4608-RPL) was prepared. Both chips were used for analyzing monoclonal antibodies and sera from HIV- and HBV-infected individuals. 4608-RPL could be used for identifying target sequences of antibodies without prior knowledge of the corresponding immunizing antigen.

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Transfecting Small Molecules, Peptides
Van Q., Atze K., Litzenberger D., Ackerstaff J.T., Strübing Y., Yolcu D., Franke S.,Mobbs K.J. and Kazinski M.

The Nucleofector® Technology enables efficient and reproducible transfection of primary cells and cell lines at throughputs of up to 96 samples per run. Nucleofection® now extends its range of application to deliver small molecules substrates and protein substrates such as peptides, proteins and antibodyconjugates.

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Showing Results 11 - 16 of 16
Scientific News
Injected Vaccine Could Help Eradicate Polio
Re-introducing a type of polio vaccine that fell out of favour in the 1960s could hasten eradication of the disease.
Can Regenerative Medicine be the Cure for Cancer and Other Deadly Diseases?
Change in regulatory frameworks and standards are essential to expedite approval and release of innovative products.
A Key Step Toward a Safer Strep Vaccine
Gene discovery identifies molecular pathway to potential preventive treatment.
Separation of mAbs Molecular Variants by Analytical HIC-HPLC
HIC-HPLC is a less widely used analytical technique compared with standard methods for separating variants based on size, charge or electrophoretic mobility.
HIV Vaccine Awareness Day
Early stage vaccine clinical trials are expected to begin in South Africa in early 2015.
Decline in Whooping Cough Cases Continues
PHE publish whooping cough figures which are on a decline across England.
Scripps Researchers Find New Point of Attack on HIV for Vaccine Development
The newly identified site can be attacked by human antibodies in a way that neutralizes the infectivity of a wide variety of HIV strains.
Next-Generation Therapeutics for Infectious Diseases Conquer the Global Spotlight
Resistance to current drugs spurs treatment innovation in influenza, respiratory syncytial virus, chlamydia and gonorrhea.
MIT Chemists Devise Novel Way to Manufacture Peptide Drugs
New, fast synthetic method enables manufacture of peptides in hours, which could boost drug development.
VolitionRx’s NuQ® Assays Demonstrate 80% Detection Rate in Prostate Cancer
Study data also demonstrates ability to distinguish between prostate and colorectal cancer.
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