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  • Sample Processing at Pittcon® 2014

    Tuesday, May 06, 2014
    Application Note
    Robert L. Stevenson, Ph.D.
    The tenfold increase in speed for the analytics (GC, HPLC, and SFC [supercritical fluid chromatography], all with MS) over the last decade has shifted the choke point in many workflows from analytics ... read more
  • How Solid-Phase Extraction Affects Challenges in Bioanalysis

    Wednesday, February 05, 2014
    Application Note
    Mike Oliver Tim Liddicoat Ken Meadows
    Modern bioanalytical laboratories are tasked with providing high-quality analytical results from complex biological samples in a high-throughput environment. These needs have to be balanced with the ... read more
  • Product Intelligence: Solid Phase Extraction Systems

    Monday, February 25, 2013
    Technical Article
    Solid phase extraction, or SPE, is used to isolate pollutants in water and pesticides in food, isolate drugs in blood and tissue samples, and separate proteins from a mixture, among other applications... 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
  • Optimizing HPLC Sample Preparation

    Monday, February 06, 2012
    Technical Article
    Caitlin Smith
    Sample preparation is an important component for analysis in high-performance liquid chromatography (HPLC)/ultra high-performance liquid chromatography (UHPLC). This article outlines commonly used ... 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
  • Capillary Rheometry: Analysis of Low-Viscosity Fluids, and Viscous Liquids and Melts at High Shear ...

    Thursday, October 01, 2009
    Technical Article
    Tien T. Dao Allan X. Ye Kaj Hedman Ali A. Shaito Nick Roye
    Rheology is defined as the study of the flow and deformation of fluids. Based on the need to quickly and accurately set and control processing conditions, optimize product performance, and/or ... read more
  • Impurity Evaluation of Heparin Sodium by Anion Exchange Chromatography

    Thursday, October 01, 2009
    Application Note
    Catalin E. Doneanu Weibin Chen
    As a blood-thinning drug, heparin and its derivative, low-molecular-weight heparin (LMWH), have been widely used for decades during surgery and kidney dialysis. read more
  • A Fast Method for Determination of Melamine in Liquid Milk and Milk Powder by HPLC With UV Detection

    Thursday, October 01, 2009
    Technical Article
    Lang Li Ji Luo Qun Xu Jeff Rohrer Scott Lefferts
    Melamine discovered in baby formula and products containing milk has led to one of the largest worldwide food recalls in history. Some manufacturers in China illegally added melamine, an ingredient ... read more
  • Reduced Carryover Using an LC Autosampler System

    Thursday, October 01, 2009
    Application Note
    Osamu Shirota Kazuhiko Mibayashi Yasutaka Naruse Masashi Mita
    Recent high-sensitivity and high-throughput trends in liquid chromatography,influenced largely by the latest interfacing technologies of mass spectrometry, seem to demand further improvements in ... read more
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