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  • Quantitative Nanoparticle Analysis Based on Resistive Pulse Sensing

    Friday, June 24, 2016
    Application Note
    Andrew N. Cleland Jean-Luc Fraikin Peter Meinhold Franklin Monzon
    Nanoparticle analysis is becoming a central part of pharmaceutical development. read more

  • What Does Your Particle Size Data Mean?

    Thursday, February 19, 2015
    Application Note
    Paul Kippax Deborah Huck-Jones
    Laser diffraction is a mature technology with extensive capabilities. Highly automated and easy to use, modern laser diffraction systems efficiently meet the requirements for particle size data ... read more

  • Analysis of Protosappanin B in Sappan Lignum by Capillary Zone Electrophoresis

    Tuesday, September 23, 2014
    Application Note
    Luzhi Sui Xiangqian Hou Xinmin Li Dunqing Wang
    Sappan Lignum, the dried heartwood of Caesalpinia sappan L, has been used as an herbal medicine since ancient times. Sappan Lignum promotes blood circulation; removes blood stasis; reduces swelling, ... read more

  • Evolution of Wyatt Technology Corp.

    Tuesday, May 06, 2014
    Application Note
    Robert L. Stevenson, Ph.D.
    Over the last 56 years, Wyatt Technology Corp. (WTC), including the adaptation of innovations from its progenitor, Science Spectrum, has earned a reputation for developing and marketing instruments ... read more

  • The Story of MALS

    Saturday, October 05, 2013
    Technical Article
    Philip J. Wyatt
    The concept of measuring light scattered from a solution at each of a plurality of angles simultaneously began in late 1976 in a very unlikely application. At that time, scientists from Science ... read more

  • Product Intelligence: Particle Sizing Systems: Key to QC and Product Testing

    Friday, September 20, 2013
    Technical Article
    Caitlin Smith
    A host of particle sizing systems is available to measure a wide array of particle sizes. Fundamental checkpoints to consider before selecting a particle size analyzer include the range of particle ... read more

  • Characterizing Nanoparticles in Liquids: Protein Aggregation Studies

    Monday, September 16, 2013
    Application Note
    Pauline Carnell Sarah Newell
    Many patients’ lives have been improved with the use of monoclonal antibodies and recombinant proteins since their commercialization about 30 years ago. Work in the field of therapeutic proteins ... read more

  • Automated Refractive Index Calculations for Particle Size Analysis Using Laser Diffraction

    Monday, June 03, 2013
    Technical Article
    Mark Bumiller
    Laser diffraction has been the most common particle size analysis technique for many years. The technique is fast, flexible, and easy to use for a wide variety of sample types. read more

  • Optimizing HPLC Sample Preparation

    Monday, February 06, 2012
    Technical Article
    Caitlin Smith
    Sample preparation is an important component for analysis in high-performance liquid chromatography (HPLC)/ultra high-performance liquid chromatography (UHPLC). This article outlines commonly used ... 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

  • Understanding the Links Between Rheology and Particle Parameters

    Wednesday, November 01, 2006
    Technical Article
    Steve Carrington Adrian Hill
    The rheology of a suspension or dispersion relates directly to many parameters of commercial interest. read more

  • Sizing Particles

    Tuesday, November 01, 2005
    Technical Article
    Michael Levin
    Many methods and numerous instruments are available from recognized vendors to measure particle size. read more
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