Article Archives

Filter

Hide Filter
  • Bottle Liquid–Liquid Extraction Update: In Situ Water Sample Preparation

    Bottle Liquid–Liquid Extraction Update: In Situ Water Sample Preparation

    Tuesday, January 21, 2014
    Application Note
    As first described in Ref. 1, an alternative liquid–liquid extraction technique was originally conceived, born, and cultivated in an environmental lab setting to enable holding time obligations to be ... read more
  • Chemicals are Back!

    Chemicals are Back!

    Friday, December 07, 2012
    Technical Article
    Robert L. Stevenson
    The tsunami on the business horizon is the resurrection of the American chemicals industry. read more
  • HPLC 2012: New Mysteries in Column Efficiency

    HPLC 2012: New Mysteries in Column Efficiency

    Monday, October 01, 2012
    Technical Article
    Robert L. Stevenson
    HPLC is the premier meeting series for liquid chromatographers to gather to learn about the latest advances in technology and applications. read more
  • New Instrumentation and Applications at HPLC 2012

    New Instrumentation and Applications at HPLC 2012

    Friday, August 10, 2012
    Technical Article
    Robert L. Stevenson
    A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. read more
  • Food Safety Testing and New Technologies

    Food Safety Testing and New Technologies

    Friday, February 03, 2012
    Application Note
    Mukta M. Shukla
    Just as Alexander Fleming’s groundbreaking discoveries on penicillin ushered in a new era of antibacterial agents to extend human lifespans, it was the work of Louis Pasteur that helped introduce the ... read more
  • Highlights of the Fifth International Symposium on Packed Column SFC

    Highlights of the Fifth International Symposium on Packed Column SFC

    Tuesday, August 23, 2011
    Technical Article
    Larry Miller, Larry Taylor
    The Fifth International Symposium on Packed Column SFC (SFC 2011), which alternates between the United States and Europe, was held in New York City, July 20–22, 2011. read more
  • General Laboratory Equipment: Innovation Showcase

    General Laboratory Equipment: Innovation Showcase

    Monday, May 09, 2011
    Technical Article
    Jeanely Hunt, MS, MBA
    Each year, manufacturers and distributors flesh out many innovations for the laboratory, ranging from simple accessories to large, more complex instrumentation. read more
  • Analysis of Piperine in Peppers Using On-Line SFE-UHPLC With Photodiode Array Detection

    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
  • A Membrane Extraction Technique Dedicated to Industrial Wastewater: Membrane-Assisted Solvent Extraction (MASE) and GC-MS Analysis

    A Membrane Extraction Technique Dedicated to Industrial Wastewater: Membrane-Assisted Solvent ...

    Tuesday, January 01, 2008
    Application Note
    Carole Vincelet, David Benanou, Jean Marc Roussel
    The use of membrane materials for the extraction of organic compounds has increased during the past few years for the extraction of analytes in bioanalysis and environmental, food, and industrial ... read more
  • Influence of Sample Preparation on the Assay of Phytochemicals

    Influence of Sample Preparation on the Assay of Phytochemicals

    Wednesday, March 01, 2006
    Technical Article
    Devanand L. Luthria
    Sample preparation is often considered a means to an end. read more
  • Multicapillary Columns for Chromatography

    Multicapillary Columns for Chromatography

    Tuesday, March 01, 2005
    Technical Article
    Yuri P. Belov, Marina M. Ulyanova, Vladimir N. Sidelnikov
    The principles and theory of high-speed capillary chromatography have been known since the 1960s. To realize the maximum speed capabilities, it is necessary to use capillaries with a diameter of ... read more
  • Rapid Testing of Toxic Chemicals

    Rapid Testing of Toxic Chemicals

    Tuesday, March 01, 2005
    Application Note
    Nathalie Boucher, Lucie Lorrain, Marie-Eve Rouette, Elisabeth Perron, Nancy Déziel, Louis Tessier, François Bellemare
    The measurement of chlorophyll fluorescent signals from photosynthetic enzyme complexes (PEC) has becomeone of the most powerful indicators for ecophysiologists. read more
  • Miniaturized FTIR for Maximized Productivity

    Miniaturized FTIR for Maximized Productivity

    Tuesday, March 01, 2005
    Application Note
    Ken Fredeen, John S. Seelenbinder, Mark L. Norman
    In today’s fast-paced business environment, many companies are under pressure to improve their productivity. This is especially true in the pharmaceutical industry, where reducing time-to-market ... read more
  • LC-MS With Simultaneous Electrospray and Atmospheric Pressure Chemical Ionization

    LC-MS With Simultaneous Electrospray and Atmospheric Pressure Chemical Ionization

    Tuesday, March 01, 2005
    Technical Article
    Wayne P. Duncan, Patrick D. Perkins
    Today, liquid chromatography-mass spectrometry with electrospray ionization (LC-ESI-MS) is increasingly being used as the technique of choice for high-throughput pharmaceutical analysis. read more
  • <<
  • >>