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  • The Double Life of Structured Fluids

    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

    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
  • Managing Laboratory Maintenance

    Managing Laboratory Maintenance

    Tuesday, February 07, 2006
    Application Note
    L. Wayne Collins
    Other than personnel-related costs, maintenance is generally the most expensive item in the laboratory operating budget. read more
  • Defragmenting Chiral Chromatography

    Defragmenting Chiral Chromatography

    Wednesday, February 01, 2006
    Application Note
    Regina Valluzzi, Benjamin Chaloner-Gill
    Chiral molecules continue to drive growth across a number of industries as new chemistries, active ingredients, and products are developed and commercialized. read more
  • Reflections on a Third-Generation Mobile Phase Recycler for HPLC

    Reflections on a Third-Generation Mobile Phase Recycler for HPLC

    Wednesday, February 01, 2006
    Technical Article
    Al Welch
    The volume of HPLC mobile phase (MP) purchased and discarded each year is about 20,000,000 L, or enough to fill two rail trains each with 100 tank cars. On average, each of the 200,000 active HPLCs... read more
  • Statistics in Analytical Chemistry: Part 20—Recovery Curves

    Statistics in Analytical Chemistry: Part 20—Recovery Curves

    Wednesday, February 01, 2006
    Technical Article
    David Coleman, Lynn Vanatta
    In Part 19 of this series (American Laboratory Dec 2005), the use of an internal standard (IS) was discussed and an example was given. read more
  • Dynamic Light Scattering For the Noninvasive Detection of Protein Aggregation

    Dynamic Light Scattering For the Noninvasive Detection of Protein Aggregation

    Wednesday, February 01, 2006
    Application Note
    Bernard Lorber
    Protein homogeneity is an important issue in many fields of research, be it the characterization of newly isolated molecules, the identification of crystallizable samples, or the preparation of ... read more
  • Single-Step Purification of Lactase From a New Isolate of L. acidophilus

    Single-Step Purification of Lactase From a New Isolate of L. acidophilus

    Wednesday, February 01, 2006
    Application Note
    Sameer K. Akolkar, Smita S. Lele
    Lactase (ß-D-galactohydrolase EC 3.2.1.23) is widely distributed in microorganisms, plants, and animals. read more
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