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  • Ten Tips for Proper Pipetting

    Monday, November 07, 2016
    Application Note
    A. Björn Carle
    Pipetting proficiency is one of the most critical elements to ensure accuracy and precision, particularly in the face of high personnel turnover, growing laboratory workloads and increasingly complex ... read more

  • 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

  • Best Practices for the Use of Micropipets

    Friday, June 13, 2014
    Application Note
    A. Björn Carle Doreen Rumery George Rodrigues
    Every day, air-displacement pipets are used to quantitatively dispense sample and reagent aliquots for reaction, routine analyses, and specialized tests. 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

  • High-Content Analysis Comes Full Circle in Only Eight Years

    Monday, April 18, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    In eight short years, high-content analysis (HCA) has circled back to its roots, where many practitioners are again using personal instruments. read more

  • Providing Purge Gas for FTIR Systems

    Monday, April 18, 2011
    Technical Article
    Peter Froehlich Kim Myers
    While a Fourier transform infrared (FTIR) spectrophotometer provides a number of benefits relative to a scanning IR spectrophotometer,a significant disadvantage of an FTIR system is that the presence ... read more

  • Minimizing Liquid Delivery Risk: Laboratory Environmental Conditions as Sources of Error—Barometric ...

    Tuesday, January 01, 2008
    Technical Article
    A. Björn Carle
    This is the fourth 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 ... 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
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