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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

  • The Benefits of HPLC Coupled With Mass Spectrometry for the Direct Quantitation of Underivatized ...

    Monday, April 04, 2016
    Application Note
    Chi Man Ng Wilhad M. Reuter
    Amino acids are critical biological components having multiple metabolic functions, particularly when linked together to form proteins, and have any number of important roles. read more

  • In-House Pipette Calibration: The Lean Way

    Thursday, October 08, 2015
    Application Note
    A. Björn Carle
    Sorenson Genomics of Salt Lake City focuses on DNA testing, with its expertise in quality, high-throughput testing that spans several diverse business units and highly accredited laboratories. 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

  • Improved Pipetting Technique: An “Out-of-the-Box” Solution to Reduce Manual Pipetting Errors

    Monday, March 03, 2014
    Application Note
    Tanya Knaide
    Handheld air-displacement pipets are used in virtually every laboratory around the world. The technique and skills of individual pipet operators are critical to the accuracy of results of liquid ... read more

  • Development of a 100% Dimethyl Sulfoxide (DMSO) Sample Solution for Liquid Handler Performance ...

    Friday, June 07, 2013
    Application Note
    Rachel Parshley John Thomas Bradshaw Karl Olson
    Dimethyl sulfoxide (DMSO) has become one of the most important solvents used for high-throughput screening (HTS) and compound management applications due to its ability to readily dissolve a wide ... read more

  • 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

  • Sample Prep for LC, GC, and SFC at Pittcon® 2013

    Friday, May 10, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon® 2013, sample prep stood out as a major focus, perhaps because of the few advances in chromatography instrumentation. In addition, some sample preparation is spilling over into other ... 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

  • Separation Science Highlights From Pittcon® 2011

    Tuesday, May 10, 2011
    Technical Article
    Robert L. Stevenson, Ph.D.
    At Pittcon® 2011, most new products appeared to be evolutionary, not revolutionary. 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

  • Reintroducing Countercurrent Chromatography to the Chemist

    Friday, October 24, 2008
    Application Note
    David Keay Philip Wood
    Ever since chemists began using separating funnels to isolate compounds by partitioning, they have understood the potential benefits of liquid/liquid chromatography, known today as countercurrent ... read more

  • Performance Evaluation of an Integrated Analytical HPLC

    Thursday, July 10, 2008
    Application Note
    Glyn Russell Phuong Truong Lindsay Buck Frankie Button
    As a routine analytical tool in the laboratory, there are many important performance requirements such as precision, reproducibility, and sensitivity for an analytical HPLC to achieve satisfactory use... read more

  • 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

    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

    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

    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
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