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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

  • Single-Cell RNA Detection to Identify Cell Subpopulations in Heterogeneous Mixtures

    Tuesday, March 25, 2014
    Application Note
    Don Weldon Victor Koong Alex Ko Yuko Williams Laura White
    Traditional RNA detection methods, which analyze RNA levels in lysed, permeabilized, or fixed cell samples, make it challenging to understand the role of one gene in the context of a tissue, organ, or... read more

  • Detection of siRNA-Mediated Gene Modulation Using RNA Detection Probes

    Monday, May 20, 2013
    Application Note
    Don Weldon Grace Johnston
    To study the function of genes and biological pathways, researchers often use techniques such as RNA interference (RNAi) to modify gene expression. In RNAi experiments, it is important to determine ... read more

  • Product Showcase: Blood Gas Analyzers

    Wednesday, March 06, 2013
    Technical Article
    Jeanely Hunt, MS, MBA
    Blood gas analysis, more specifically referred to as arterial blood gas (ABG) analysis, is a standard clinical diagnostic test that measures a patient’s blood gases; oxygen and carbon dioxide blood ... read more

  • Automated Assays and More at SLAS 2013 and HCA 2013

    Wednesday, February 06, 2013
    Technical Article
    Robert L. Stevenson, Ph.D.
    The second annual meeting of the Society for Laboratory Automation and Screening (SLAS 2013), held January 12–16, attracted 3800 scientists and engineers to the Gaylord Hotel in Orlando, FL for an ... read more

  • 2012 Light Scattering Colloquium: Advances in Nanotechnology, Protein Structures, and Biomedical ...

    Wednesday, November 28, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    Light scattering provides the most effective technology to characterize large molecules and subvisible particles. 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

  • 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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