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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

  • High-Throughput Tools for Optimizing Drug Nanosuspensions

    Thursday, February 19, 2015
    Application Note
    Dennis H. Leung Timothy Rhodes Annette Bak
    Inadequate absorption and bioavailability often make it difficult to deliver the drug to the target in vivo and pose significant challenges to the discovery and development of new drugs. A number of ... 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

  • New Instrumentation and Applications at HPLC 2012

    Friday, August 10, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction. 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

  • A High-Throughput GPC System for Routine or Standardized SEC Analysis

    Sunday, March 01, 2009
    Application Note
    Xavier Villarreal Howard Barth
    Overcoming bottlenecks in the laboratory,and thus saving valuable time and money, is an important goal for scientists. read more

  • Statistics in Analytical Chemistry: Part 25—Calibration Summary

    Thursday, February 01, 2007
    Technical Article
    David Coleman Lynn Vanatta
    In a modern chemical-analysis laboratory, virtually all of the testing equipment must be calibrated periodically. read more

  • Centrifuge Safety and Security

    Thursday, February 01, 2007
    Application Note
    Tammy Goodman
    For laboratories around the world, increasing health and safety legislation requires that equipment be operated and maintained so that every step is taken to maximize safety and security. read more

  • Reagent-Free Ion Chromatography Systems With Eluent Regeneration: RFIC-ER Systems

    Thursday, February 01, 2007
    Application Note
    Yan Liu Zhongqing Lu Chris Pohl John Madden Navette Shirakawa
    Since the introduction of ion chromatography (IC) in 1975, Dionex Corp. (Sunnyvale, CA) has continued to improve the performance of IC systems while developing new capabilities for the determination ... read more

  • The Nanoliter Syringes

    Thursday, February 01, 2007
    Technical Article
    Andrew D. Sauter
    Following an informal collaboration with Affymax (Palo Alto, CA), Agilent Technologies (Palo Alto, CA), and Chem-Space Associates (Pittsburgh, PA), studying electrospray ionization 1 (ESI), the ... read more
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