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  • New Products for Gas Chromatography at Pittcon® 2014

    Tuesday, May 06, 2014
    Application Note
    Robert L. Stevenson, Ph.D.
    Pittcon® is changing rapidly. After decades where separation science including GC/MS and LC/MS dominated the meeting, a report by Dr. Matt Wilkinson in this issue demonstrates that optical ... read more

  • 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

  • Multiparameter Pluripotency Analysis Using Magnetic Bead Assays

    Wednesday, August 28, 2013
    Application Note
    Nikolai Stankiewicz Thomas Siegl Frederick Wiese
    For the application of induced pluripotent stem cells (iPSCs) and human embryonic stem cells (hESCs) to regenerative medicine and drug discovery research, it is crucial to characterize the identity ... 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

  • Focus on Separation Science at Pittcon® 2012: Advances in Gas Chromatography

    Monday, May 07, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    For gas chromatography (GC), the big news at Pittcon® 2012 was the absence of Agilent and PerkinElmer. This was a consequence of an overall downsizing caused by the “six-year effect” where the cycles ... read more

  • New Atomic Force Microscopy (AFM) Approaches Life Sciences Gently, Quantitatively, and Correlatively

    Monday, April 09, 2012
    Application Note
    Barbara Foster
    As discussed in last November’s Editor’s Page, the life sciences are the key sector propelling growth in microscopy and imaging. read more

  • Light-Emitting Diodes: A New Solution for Fluorescence

    Saturday, October 01, 2011
    Technical Article
    Barbara Foster
    From the dramatic increase in new fluorophores to the proliferation of techniques like total internal reflection fluorescence (TIRF), photoactivated localization microscopy (PALM), and stochastic... 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

  • Microscopy is Moving On

    Friday, July 01, 2005
    Technical Article
    Aubrey Lambert
    The basis for observations has not really changed in all the time that lenses have been used to magnify objects. read more

  • Cell Culture Biochips for Optical Microscopy

    Monday, May 02, 2005
    Application Note
    Ulf Rädler Elias Horn
    Methods in molecular biology and the understanding of actions inside living cells have changed drastically over the last decade. 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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