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  • Laboratory Automation: 2013–2017

    Friday, November 23, 2012
    Technical Article
    Robert L. Stevenson, Ph.D.
    Laboratory automation is changing the work flow in biochemical and chemical laboratories. read more

  • Ask the Expert: Using Rheology to Design Better Products—Yield Stress and How to Measure It

    Tuesday, July 24, 2012
    Application Note
    John Duffy
    Successfully manipulating the rheology of a product during its development enables formulators to deliver desirable characteristics—the right feel and texture, great stability, and optimal usability ... read more

  • Small-Scale Vane Rheometry

    Tuesday, August 02, 2011
    Application Note
    David Moonay
    Vane rheometry continues to become more well-known and popular. read more

  • Analysis of Piperine in Peppers Using On-Line SFE-UHPLC With Photodiode Array Detection

    Tuesday, February 01, 2011
    Application Note
    Takayuki Yamaguchi Kazutoshi Kamezawa Keijin Iwaya Yasuyo Sato Toshihiko Miyaji Masao Bounoshita David J. Tognarelli Muneo Saito
    Ultrahigh-performance liquid chromatography (UHPLC) is a separation technique that utilizes columns packed with microparticles (<2 µm in diameter), as provided by the xtreme liquid chromatography (x-lc™) system (jasco corp., tokyo, japan) µm="" in="" diameter),="" as="" provided="" by="" the="" xtreme="" liquid="" chromatography="" (x-lc™)="" system="" (jasco="" corp.,="" tokyo,="">... read more

  • Determination of Mercury in Slag and Cement Using a Mercury Analyzer

    Friday, January 28, 2011
    Application Note
    Sang-Ho Nam Yu-Na Kim Jin-Su Na Keun-Hyeok Yang
    Mercury is one of the most toxic elements in the environment. Humans are exposed to mercury through the inhalation of mercury vapor, ingestion of drinking water, and consumption of fish. read more

  • Advantages of In-House Generation of Nitrogen for HPLC With Evaporative Light Scattering Detection

    Friday, January 01, 2010
    Technical Article
    Peter Froehlich Corky Belobraydich
    Evaporative light scattering detection (ELSD) is a universal detection technique for HPLC that provides a number of distinct advantages over other commonly employed detection methods such as UV-VIS ... read more

  • Confidence Up Close

    Friday, January 01, 2010
    Application Note
    Aubrey Lambert
    The combined pressures of continuing miniaturization, higher packing densities, and rigorous quality assurance means that the physical size of particles capable of adversely affecting industrial ... read more

  • Integrating Informatics and High-Content Screening to Find a Cure for Spinal Cord Injury: Selecting ...

    Friday, January 01, 2010
    Application Note
    Vance Lemmon William Buchser Don Crossett
    The Miami Project to Cure Paralysis, part of the University of Miami Miller School of Medicine, includes a laboratory devoted to high-content screening (HCS) of neurons. The laboratory is run by Vance... read more

  • Direct Determination of Trace Elements in Solid Samples by DC Arc With Emphasis on the Analysis of ...

    Friday, January 01, 2010
    Application Note
    Maura Mahar Garry Kunselman Peter Brown Paul Dalager Peter Perzl
    Fast, direct, quantitative elemental analyses of solids that are difficult to digest are hallmarks of the DC Arc technique. The earliest DC Arc instruments relied on photographic plate detectors. ... read more

  • Hyphenation: The Next Step in Thermal Analysis

    Friday, January 01, 2010
    Technical Article
    Kevin P. Menard Richard Spragg Greg Johnson Craig Sellman
    Thermal analysis, like most mature technologies, sees mostly incremental increases in its capabilities, such as the introduction of modulated temperature techniques in the early 1990s or the ... read more

  • Thermosets: How to Avoid Incomplete Curing

    Friday, January 01, 2010
    Technical Article
    Steve Sauerbrunn Rudolf Riesen
    Oligomers and monomers that react and polymerize to form a rigid network with elevated temperatures are called thermosets. Thermosetting oligomers have been used for several decades to produce ... read more

  • Use of Rotational Vane Rheometry to Solve Practical Problems

    Saturday, August 01, 2009
    Application Note
    David J. Moonay
    Rheology is the study of the deformation of matter. A common definition is that rheology is the study of flow. Viscometry, in particular, is the measurement of viscosity or the resistance to flow. ... read more

  • Redefining the Rheometer

    Monday, October 27, 2008
    Application Note
    Steve Carrington
    The way in which materials flow or deform when a force is applied can have a direct impact on product performance. read more

  • Measuring Yield Stress

    Thursday, November 01, 2007
    Technical Article
    Richard Buscall Adrian Hill
    Various materials, typically gels or dispersions with a high concentration of suspended particles, can behave either as elastic solids or as liquids, depending on the degree of force or stress to ... read more

  • Flow Characterization: Selecting Appropriate Technology

    Tuesday, November 01, 2005
    Application Note
    Steve Carrington Joanne Langridge
    It is well known that measuring the rheological properties of materials contributes to the development of better products and helps predict end-use performance as well as the physical properties of a... read more
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