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  • 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

  • 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

  • Benefits of an Integrated Laboratory (iLAB)

    Wednesday, September 01, 2010
    Application Note
    Robert Pavlis
    An iLAB, or integrated laboratory, is a new type of laboratory informatics system—a total laboratory automation system. The value of an iLAB can best be appreciated by exploring four key problems with... read more

  • Application of UPLC Amino Acid Analysis Solution to Foods and Feeds

    Sunday, February 01, 2009
    Application Note
    Thomas E. Wheat Hillary B. Hewitson Diane M. Diehl
    Amino acid analysis has been used in the food and feed industries to verify and characterize materials and processes. The total amino acid content, as well as the proportions of growth-limiting amino ... read more

  • The Role of Analytical Instrumentation in the Life Sciences

    Saturday, November 01, 2008
    Technical Article
    Robert L. Stevenson, Ph.D. C. David Carr
    Historically, the life sciences have been qualitative in nature, seeking to identify but seldom understand quantitatively. read more

  • Statistics in Analytical Chemistry: Part 25—Calibration Summary

    Thursday, February 01, 2007
    Technical Article
    David Coleman Lynn Vanatta
    In a modern chemical-analysis laboratory, virtually all of the testing equipment must be calibrated periodically. read more

  • Centrifuge Safety and Security

    Thursday, February 01, 2007
    Application Note
    Tammy Goodman
    For laboratories around the world, increasing health and safety legislation requires that equipment be operated and maintained so that every step is taken to maximize safety and security. read more

  • Reagent-Free Ion Chromatography Systems With Eluent Regeneration: RFIC-ER Systems

    Thursday, February 01, 2007
    Application Note
    Yan Liu Zhongqing Lu Chris Pohl John Madden Navette Shirakawa
    Since the introduction of ion chromatography (IC) in 1975, Dionex Corp. (Sunnyvale, CA) has continued to improve the performance of IC systems while developing new capabilities for the determination ... 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

  • Accurate Determination of Amino Acids in High-Carbohydrate-Containing Samples

    Sunday, October 01, 2006
    Technical Article
    Valoran P. Hanko Jeffrey S. Rohrer
    In a high-sensitivity amino acid analysis (AAA) technique that does not require sample derivatization, both amino acids and carbohydrates are separated by high-performance anion-exchange ... read more
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