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  • The Benefits of HPLC Coupled With Mass Spectrometry for the Direct Quantitation of Underivatized ...

    Monday, April 04, 2016
    Application Note
    Chi Man Ng Wilhad M. Reuter
    Amino acids are critical biological components having multiple metabolic functions, particularly when linked together to form proteins, and have any number of important roles. read more

  • Pittcon 2013®: Developments in Liquid Chromatography

    Monday, May 13, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    The first commercial liquid chromatograph was probably an amino acid analyzer. These ion exchange chromatographs were so specialized that they had almost no impact on chemical analysis outside of ... read more

  • 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

  • New Products at Pittcon® 2011

    Thursday, March 10, 2011
    Application Note
    Jeanely Hunt, MS, MBA
    The following includes some of the latest advances in laboratory instrumentation debuting at Pittcon® 2011. 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

  • A Nondestructive Technique for the Detection of Metallic Impurities in Alloys

    Tuesday, September 01, 2009
    Application Note
    John R. Dannecker Neil D. Fichtelberg Scott A. Knowles
    Examples of welds contaminated with small quantities of incorrect weld filler metal were recently discovered in fabricated assemblies. The presence of such impurities, which are not detectable using ... read more

  • 1-mm-i.d. Monolithic HPLC Columns for High-Efficiency Protein Separations

    Tuesday, September 01, 2009
    Application Note
    Sebastiaan Eeltink Remco Swart
    The preparation of monolithic separation media for HPLC composed of a single, continuous polymer macroporous support has been reported since the late 1960s. Due to its unique material properties, ... read more

  • LIMS and Public Health

    Tuesday, September 01, 2009
    Technical Article
    William Qualls
    The current H1N1 flu pandemic has put a spotlight on public health agencies as they work to identify and contain the outbreak. read more

  • Reintroducing Countercurrent Chromatography to the Chemist

    Friday, October 24, 2008
    Application Note
    David Keay Philip Wood
    Ever since chemists began using separating funnels to isolate compounds by partitioning, they have understood the potential benefits of liquid/liquid chromatography, known today as countercurrent ... read more

  • Performance Evaluation of an Integrated Analytical HPLC

    Thursday, July 10, 2008
    Application Note
    Glyn Russell Phuong Truong Lindsay Buck Frankie Button
    As a routine analytical tool in the laboratory, there are many important performance requirements such as precision, reproducibility, and sensitivity for an analytical HPLC to achieve satisfactory use... read more
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