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  • Laboratory Automation: 2013–2017

    Friday, November 23, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    Laboratory automation is changing the work flow in biochemical and chemical laboratories. read more

  • Analysis of Piperine in Peppers Using On-Line SFE-UHPLC With Photodiode Array Detection

    Tuesday, February 01, 2011
    Application Note
    Takayuki Yamaguchi Kazutoshi Kamezawa Keijin Iwaya Yasuyo Sato Toshihiko Miyaji Masao Bounoshita David J. Tognarelli Muneo Saito
    Ultrahigh-performance liquid chromatography (UHPLC) is a separation technique that utilizes columns packed with microparticles (<2 µm in diameter), as provided by the xtreme liquid chromatography (x-lc™) system (jasco corp., tokyo, japan) µm="" in="" diameter),="" as="" provided="" by="" the="" xtreme="" liquid="" chromatography="" (x-lc™)="" system="" (jasco="" corp.,="" tokyo,="">... read more

  • Determination of Mercury in Slag and Cement Using a Mercury Analyzer

    Friday, January 28, 2011
    Application Note
    Sang-Ho Nam Yu-Na Kim Jin-Su Na Keun-Hyeok Yang
    Mercury is one of the most toxic elements in the environment. Humans are exposed to mercury through the inhalation of mercury vapor, ingestion of drinking water, and consumption of fish. read more

  • Plate Washing in 1536: Evaluation of a Double-Column Aspirator Head

    Thursday, October 22, 2009
    Application Note
    Michelle Batchlett Jason Cassaday Carissa Ohart Kurtis Berry Oleg Kornienko Jim Chang
    Plate assays (1536-well) that require washing (i.e., enzyme-linked immunosorbent assays [ELISAs] and cell-based), are not routinely implemented in high-throughput screening laboratories due to the ... read more

  • Minimizing Liquid Delivery Risk: Operators as Sources of Error

    Saturday, September 01, 2007
    Technical Article
    Wendy Vaccaro
    This is the third 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

  • A High-Sensitivity Sensor for DSC

    Friday, August 05, 2005
    Application Note
    Rudolf Riesen Blaine Weddle
    A dramatic increase in sensitivity at low signal noise without a significant loss in signal resolution has been achieved with the HSS7 high-sensitivity sensor. read more

  • Statistics in Analytical Chemistry: Part 17—Calibration Example 6

    Monday, August 01, 2005
    Technical Article
    David Coleman Lynn Vanatta
    This installment will present the sixth and last in this series of calibration examples. read more

  • Optimizing the Sensitivity of an Evaporative Light Scattering Detector

    Tuesday, October 12, 2004
    Application Note
    Peter Froehlich Rodolphe Pennanec
    The evaporative light scattering detector (ELSD) is a universal, mass-based detector for HPLC, ultraperformance liquid chromatography (UPLC), gel permeation chromatography (GPC), and supercritical ... read more
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