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  • Simultaneous Determination of Hormone Residues in Aquatic Products by UPLC-ESI-MS-MS

    Tuesday, June 01, 2010
    Technical Article
    Ying Jiang Xu Xiu Hui Tian Xiu Zhen Zhang Xiang Hong Gong Shi Juan Zhang Hui Hui Liu Li Min Zhang
    Hormones, such as androgens (AS), estrogens (ES), and progestogens (PS), play an important role in organisms. AS, the main male sex steroids,which are the critical factors responsible for the ... read more

  • Optimizing Low-Volume Automated Liquid Handling

    Friday, January 01, 2010
    Technical Article
    Brian C. Hewson
    Liquid handling as a whole, regardless of throughput, demands precision and accuracy to minimize experimental variation and produce reliable experimental data. read more

  • Hyphenation: The Next Step in Thermal Analysis

    Friday, January 01, 2010
    Technical Article
    Kevin P. Menard Richard Spragg Greg Johnson Craig Sellman
    Thermal analysis, like most mature technologies, sees mostly incremental increases in its capabilities, such as the introduction of modulated temperature techniques in the early 1990s or the ... read more

  • Minimizing Liquid Delivery Risk: Pipets as Sources of Error

    Thursday, March 01, 2007
    Technical Article
    Richard Curtis
    This is the first in a series of articles entitled, “Minimizing Liquid Delivery Risk,” addressing the most common causes of liquid delivery error and providing guidance on how to address and overcome... read more

  • Fast Gravimetric Testing of Multichannel Pipets

    Monday, May 02, 2005
    Application Note
    Karl Heinz Lochner
    Piston pipets with air cushions have long been the standard equipment in many laboratories, especially in medical research and the life sciences for the transfer of liquids in the microliter range. read more
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