Posts Tagged ‘Detection’
Last Updated on Sunday, 18 July 2010 07:44 Written by Administrator Sunday, 18 July 2010 07:44
Western blot detection of brain material in heated meat products using myelin basic protein and neuron-specific enolase as biomarkers [An article from: Analytica Chimica Acta]
This digital document is a journal article from Analytica Chimica Acta, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
An assay based on Western blotting and detection of central nervous system (CNS)-specific antigens was developed to detect brain tissue in processed (heated) meat products. Bands of antigen-bound primary antibodies were visualised through secondary anti-antibodies labelled with peroxidase, which generated chemiluminescence documented by a photographic film. Ponceau-S staining before antibody incubation and molecular mass information on detected antigens after immunoreactions added information supporting correct identification of brain tissue in the meat products. In this approach B50/growth-associated protein (B50), glial fibrillary acidic protein (GFAP), myelin basic protein (MBP), neurofilament (NF), neuron-specific enolase (NSE) and synaptophysin (Syn) proteins were detected in raw luncheon meat and a liver product enriched with brain tissue at a level of 5% (m/m). Only MBP and NSE were considered suitable biomarkers for detection of 1% (m/m) brain tissue in meat products pasteurised at 70^oC or sterilised at 115^oC. The use of an anti-monkey MBP instead of anti-human MBP enabled speciation of the CNS material whether from bovine and ovine brains or from porcine brain tissue. This immunoblot assay potentiates the analysis of approximately 70 samples within 8h, including sample preparation and the simultaneous probing of NSE and MBP target antigens.
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Last Updated on Sunday, 18 July 2010 07:44 Written by Administrator Sunday, 18 July 2010 07:44
Protein Blotting and Detection: Methods and Protocols (Methods in Molecular Biology)
Over the past thirty years, the development of the Western blot has revolutionized the fields of biomedical research and medical diagnostics. In “Protein Blotting and Detection: Methods and Protocols”, expert researchers present numerous techniques based on the Western blot, providing detailed, readily reproducible methods, tips, and alternatives directly and easily transferable to the laboratory setting. Chapters offer a large number of variations on the theme of protein transfer to solid support followed by detection, presenting both adaptations of traditional techniques as well as completely original methods of protein blotting. Composed in the highly successful Methods in Molecular Biology™ series format, each chapter contains a brief introduction, a list of necessary materials, step-by-step methods, and a Notes section which shares tips on troubleshooting and avoiding known pitfalls.
Innovative and highly practical, Protein Blotting and Detection: Methods and Protocols is an essential, hands-on guide for all investigators who hope to bring these cutting-edge procedures home to their laboratories.
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Tags: Biology, Blotting, Detection, Methods, Molecular, Protein, Protocols | Posted under Western Blot Books | No Comments