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  • Working Flow Rate: How to Compare Vacuum Pumps

    Working Flow Rate: How to Compare Vacuum Pumps

    Friday, May 17, 2013
    Application Note
    Peter Coffey
    To compare vacuum pumps, it is imperative to look at the pumping speed at working vacuum levels. The working vacuum level is the vacuum at which you need to operate your application. Comparing the ... read more
  • Automated Botulinum Neurotoxin Detection

    Automated Botulinum Neurotoxin Detection

    Monday, February 25, 2013
    Technical Article
    Karine Bagramyan, Aneela Reddy, Dobrin Nedelkov, Markus Kalkum
    Botulinum neurotoxin (BoNT) is undoubtedly the most potent biological toxin known. Intravenously injected it could paralyze and kill a human being at a dose of just 1.2 ng BoNT per kg body weight. read more
  • Focus on Liquid Handling and 3-D Imaging at SLAS 2013

    Focus on Liquid Handling and 3-D Imaging at SLAS 2013

    Friday, February 08, 2013
    Technical Article
    Robert L. Stevenson
    Most commonly, laboratory automation involves a few hundred wells run for a specific purpose. SLAS 2013, the meeting of the Society for Laboratory Automation and Screening, was held at the Gaylord ... read more
  • Second-Generation Expanded Bed Adsorption Scales from Lab to Plant

    Second-Generation Expanded Bed Adsorption Scales from Lab to Plant

    Thursday, January 17, 2013
    Application Note
    Robert L. Stevenson
    Expanded bed adsorption (EBA) was introduced in 1999 with adsorbents that were used for pressure-driven packed beds. These had densities in the range of 1.1–1.5 g/mL, which was not much higher than ... read more
  • Reducing DNA Sample Backlogs and Protecting Chain-of-Custody in the Forensic Laboratory

    Reducing DNA Sample Backlogs and Protecting Chain-of-Custody in the Forensic Laboratory

    Monday, December 24, 2012
    Technical Article
    Laurent Baron, Bobby Chavli, Lois Tack, Annette Summers
    For years, forensic laboratories in the U.S. have struggled to reduce DNA sample processing backlogs and human errors, both of which hinder timely and reliable criminal convictions. read more
  • Product Intelligence: Laboratory Vacuum Pump Buyers' Guide

    Product Intelligence: Laboratory Vacuum Pump Buyers' Guide

    Monday, July 16, 2012
    Technical Article
    Emily S. Tozzi
    Chemistry and life science laboratories utilize lab vacuum pumps for applications such as providing suction to drive the aspiration or filtration of liquid or suspended samples, and inducing or ... read more
  • Optimizing HPLC Sample Preparation

    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
  • Effect of PBS Solutions on Chemokine Secretion of Human Peripheral Blood Mononuclear Cells

    Effect of PBS Solutions on Chemokine Secretion of Human Peripheral Blood Mononuclear Cells

    Friday, January 28, 2011
    Technical Article
    Michael Lichtenauer, Stefanie Nickl, Konrad Hoetzenecker, Andreas Mangold, Andreas Mitterbauer, Stefan Hacker, Matthias Zimmermann, Hendrik Jan Ankersmit
    Phosphate-buffered saline (PBS), a buffer solution commonly used in many biological research fields, contains monobasic potassium phosphate, sodium chloride, and dibasic sodium phosphate. read more
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