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  • Comparative QC Test Methods for Toothpaste Consistency

    Tuesday, September 27, 2016
    Application Note
    Robert McGregor
    Important quantitative data can be obtained in the study of viscosity by measuring the consistency of toothpaste, i.e., thickness, ease of handling and ability to retain position, and observing the ... read more

  • How Do You Evaluate “Flowability”? Buttermilk Ranch vs Blue Cheese

    Monday, November 24, 2014
    Application Note
    Robert G. McGregor Eric Chiang Stephanie Shepard
    A common request from food manufacturers is to come up with a faster and more definitive test for flowability of salad dressings. read more

  • Food Safety Testing and New Technologies

    Friday, February 03, 2012
    Application Note
    Mukta M. Shukla
    Just as Alexander Fleming’s groundbreaking discoveries on penicillin ushered in a new era of antibacterial agents to extend human lifespans, it was the work of Louis Pasteur that helped introduce the ... read more

  • The Double Life of Structured Fluids

    Sunday, August 01, 2010
    Application Note
    Neil Cunningham Bob McGregor
    The products we stir, pump, spread, pour, and spray are usually thought of as liquids. Surprisingly, however, it can be demonstrated that they live a quiet double life as liquids when observed,but ... read more

  • Food Texture Analysis

    Saturday, May 01, 2010
    Application Note
    Richard D. Brown
    Texture testing is a well-established technique for evaluating the mechanical and physical properties of raw ingredients, food structure, and designs, and for pre- and post-quality control checks. ... read more

  • Ensuring the Purity of Acetonitrile During Quality Control Testing

    Monday, March 01, 2010
    Technical Article
    Steven F. Eaton
    Acetonitrile is a critical solvent for a number of important technologies. Its low viscosity and low chemical reactivity make it a popular choice as a mobile phase for liquid chromatography. It also ... read more

  • Ultrafast Flow Liquid Chromatography of Proteins

    Monday, March 01, 2010
    Technical Article
    Kert Ivie
    Ultrahigh-pressure liquid chromatography (UHPLC) has been applied successfully to separations of many small molecules, including peptides. Few studies have involved proteins, and these were narrowly ... read more

  • Capillary UHPLC Coupled with MRM-MS for Quantitative, High-Sensitivity Bioanalysis

    Monday, March 01, 2010
    Technical Article
    Kerry Nugent Lori Ann Upton Yixin Zhu Chris Loran
    Over the past 20 years, liquid chromatography-multiple reaction monitoring-mass spectrometry (LC-MRM-MS) has become the primary tool for the bioanalysis of drugs and their metabolites in physiological... read more

  • Routine Implementation of Very-High-Pressure Liquid Chromatography in Pharmaceutical Development

    Monday, March 01, 2010
    Technical Article
    Qinggang Wang Brent Kleintop
    High-pressure liquid chromatography is probably the most widely used analytical technique for characterizing drug substances and drug products in the pharmaceutical industry. It is widely employed ... read more
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