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Solid Phase Extraction Applications

  • Filtration systems & solutions for biosciences and scientific industry

    The scientific community and in particular for that of the life science industries such as the medical, pharmaceutical  and healthcare, have a growing need for superior technologies and products in filtration, separation, purification, aeration and liquid transfer. The range of BioVyon materials and applications are continuously expanding, driven by new market requirements and available to both OEM and end user customers. Applications include separation or filtration for healthcare, medical and pharmaceutical products, shut off valves for catheters, diagnostic wick and sample preparation devices.

    By Porvair Filtration Group based in Fareham, UNITED KINGDOM.

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    Improved Reproducibility and Reduced Sample Preparation Time for the HPLC Analysis of Aflatoxins in Raw Peanut Paste

    The US FDA and international regulatory agencies have set contamination levels for aflatoxins in animal feedstuffs. Since Aspergillus may infect commodities pre-harvest, during storage or during processing, monitoring for aflatoxins in associated agricultural commodities at all stages of production is requisite. Field screening methods exist that are adequate to estimate contamination levels for aflatoxins. When additional confirmation or quantification is desired, chromatographic laboratory analysis is often necessary. Preparation of matrix samples prior to chromatographic analysis typically requires extraction and purification. Commonly, immunoaffinity columns (IAC), which employ a multi-step bind and elute mechanism to concentrate and purify aflatoxins, are used to purify matrix samples for subsequent analysis. Solid phase extraction (SPE), an alternate method which may use interference removal, can also be employed.

    By Sigma-Aldrich Co., LLC based in Bellefonte, PENNSYLVANIA (USA).

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