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  • Analysis of Protosappanin B in Sappan Lignum by Capillary Zone Electrophoresis

    Tuesday, September 23, 2014
    Application Note
    Luzhi Sui Xiangqian Hou Xinmin Li Dunqing Wang
    Sappan Lignum, the dried heartwood of Caesalpinia sappan L, has been used as an herbal medicine since ancient times. Sappan Lignum promotes blood circulation; removes blood stasis; reduces swelling, ... read more

  • Automated Assays and More at SLAS 2013 and HCA 2013

    Wednesday, February 06, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    The second annual meeting of the Society for Laboratory Automation and Screening (SLAS 2013), held January 12–16, attracted 3800 scientists and engineers to the Gaylord Hotel in Orlando, FL for an ... 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

  • 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

  • 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

  • Ensuring the Purity of Acetonitrile During Quality Control Testing

    Monday, March 01, 2010
    Technical Article
    Steven F. Eaton
    Acetonitrile is a critical solvent for a number of important technologies. Its low viscosity and low chemical reactivity make it a popular choice as a mobile phase for liquid chromatography. It also ... read more

  • Ultrafast Flow Liquid Chromatography of Proteins

    Monday, March 01, 2010
    Technical Article
    Kert Ivie
    Ultrahigh-pressure liquid chromatography (UHPLC) has been applied successfully to separations of many small molecules, including peptides. Few studies have involved proteins, and these were narrowly ... read more

  • Capillary UHPLC Coupled with MRM-MS for Quantitative, High-Sensitivity Bioanalysis

    Monday, March 01, 2010
    Technical Article
    Kerry Nugent Lori Ann Upton Yixin Zhu Chris Loran
    Over the past 20 years, liquid chromatography-multiple reaction monitoring-mass spectrometry (LC-MRM-MS) has become the primary tool for the bioanalysis of drugs and their metabolites in physiological... read more

  • Routine Implementation of Very-High-Pressure Liquid Chromatography in Pharmaceutical Development

    Monday, March 01, 2010
    Technical Article
    Qinggang Wang Brent Kleintop
    High-pressure liquid chromatography is probably the most widely used analytical technique for characterizing drug substances and drug products in the pharmaceutical industry. It is widely employed ... read more

  • The Nanoliter Syringes

    Thursday, February 01, 2007
    Technical Article
    Andrew D. Sauter
    Following an informal collaboration with Affymax (Palo Alto, CA), Agilent Technologies (Palo Alto, CA), and Chem-Space Associates (Pittsburgh, PA), studying electrospray ionization 1 (ESI), the ... read more
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