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sample preparation process Applications

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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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    Application package Ash for analysing oxidic materials

    This application package is a `ready to go` calibration kit for xrf instruments. Fusion technology is ideal for analysing oxidic materials like ashes. It performs with the highest precision possible in xrf sample preparation. Primarily power stations and their control laboratories have to check the ash from the burning process of black and brown coal. Two standard DIN and ASTM methods describe the testing in detail. FLUXANA is able to deliver both methods ready from the bench.

    By Fluxana GmbH Co. KG based in Bedburg-Hau, GERMANY.

  • Automated System for High Throughput PCR Setup

    Modern genomics labs are looking for high-throughput, quality-data workstations to perform PCR reactions at a reduced cost. PCR reaction setup is a tedious and time consuming process as it requires mixing multiple reagents in specific ratios to achieve the proper master mix for amplification. Moreover, the exact volumes of the reagents and buffers depend upon the total number of samples to be amplified and the desired final concentration of sample DNA. Automation of such procedures eliminates both human error and contamination problems generally associated with manual process. To provide an automated solution to such a cumbersome protocol, Aurora Biomed’s VERSA 110 PCR Setup Workstation was developed for the preparation of reagents and samples used in an amplification protocol in 96-well format.

    By Aurora Biomed Inc. based in Vancouver, BRITISH COLUMBIA (CANADA).

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