Application Notes

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Characterization of Synthetic Block Copolymers by LC-MS
Monday, February 18, 2008
Suze M. van Leeuwen BoonHua Tan Dirk W. Grijpma Jan Feijen Uwe Karst
The basis for the physical properties of a (polymeric) material is found in its chemical composition. Read More
Redefining the Rheometer
Monday, October 27, 2008
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
A Novel Tool for Searching, Sorting, Copying, and Managing Spectra Files for Use in the Development of Individual Discriminate-Partial Least Squares Material Discriminators
Monday, October 27, 2008
James A. Finch
Working on the Global NIR ID (Identification) Project, the author needed a way to create a user-friendly, straightforward, easy-to-follow, procedurally driven software application that could be used ... Read More
Understanding the Potential of Near-Infrared Chemical Imaging
Monday, October 27, 2008
Janie Dubois Neil Lewis
Improvements in the price–performance ratio of digital imaging cameras coupled with better data processing tools have promoted the use of “machine vision.” Read More
Protein Testing Enters the 21st Century: Innovative Protein Analyzer Not Affected by Melamine
Monday, October 27, 2008
John J. Urh
Global resourcing and production have increased the demand for food manufacturers to ensure the safety and integrity of their products. Read More
Fast Micro-GC Capabilities Based on a Microintegration Technology Platform
Friday, September 26, 2008
Harm van Weerden Gert-Jan Burger Job Elders
Chromatography dates back to the early nineteenth century, when paper and cloth were used to spot-test dye mixtures and plant extracts. Read More
An Autosampler and Field Sample Carrier for Maximizing Throughput Using an Open-Air, Surface Sampling Ion Source for MS
Friday, September 26, 2008
Andrew H. Grange
A commercially available, open-air, surface sampling ion source for mass spectrometers provides individual analyses in several seconds. Read More
Determination of Total Mercury in Sorbent Tubes Using Direct Mercury Analysis
Friday, August 29, 2008
Johan Nortje
Coal-fired utilities have long carried the stigma of being the largest contributor of anthropogenic mercury emissions, which, in 1999, caused the U.S. EPA to initiate the Information Collection ... Read More
Antimicrobial Characteristic and Mechanism of Konjac Glucomannan Modified With N,N-Dimethylaminoethyl Methacrylate
Thursday, July 10, 2008
Xia Xu Hongling Zhang Qi Zhang Nan Zhang Bin Du Xueling Ren Zhenzhong Zhang
Antimicrobial materials are widely used in industry, community, and private settings to prevent microbial infection. Read More
Performance Evaluation of an Integrated Analytical HPLC
Thursday, July 10, 2008
Glyn Russell Phuong Truong Lindsay Buck Frankie Button
As a routine analytical tool in the laboratory, there are many important performance requirements such as precision, reproducibility, and sensitivity for an analytical HPLC to achieve satisfactory use... Read More
A Novel Continuous Separation Process
Thursday, May 29, 2008
Robert S. Cooley, Sr. Henry S. Kolesinski
Current separation and purification processes are multistep, batch-type separations that generally use packed-column formats. Read More
A Rapid-Scanning Differential Scanning Calorimeter
Tuesday, January 01, 2008
Steven R. Aubuchon Robert L. Danley Peter A. Caulfield
In recent years, interest has been growing in performing differential scanning calorimetry (DSC) at higher temperature-scanning rates. Read More
Choosing the Right Centrifuge for Your Application
Tuesday, January 01, 2008
Tammy Goodman
A centrifuge is a critical piece of equipment for the laboratory, and often a significant investment. Read More
Correlation of ATR-FTIR Spectra and Particle Sizes of Temperature- Induced Protein Aggregates
Tuesday, January 01, 2008
Brian K. Meyer Weiqi Lu Henryk Mach Li Shi
FTIR spectroscopy has been widely used to evaluate the secondary structure and conformational changes of proteins. Read More
A Nanoparticle Spectrofluorometer With Upgraded Performance Features
Sunday, April 01, 2007
Adam Gilmore Stephen M. Cohen Kulwinder Sagoo
A spectrofluorometer has been specially optimized for recording near-IR fluorescence from nanoparticles, and offers a number of improvements over the previous version. Read More
Improving Refinery Laboratory Productivity 20% While Increasing Accuracy With LIMS
Thursday, March 01, 2007
Robert Hudson
In process manufacturing, a laboratory information management system (LIMS) implementation will deliver exceptional value if it eliminates redundant data transcriptions within the laboratory, ... Read More
Multistep Thermal Characterization of Polymers Using GC-MS
Thursday, March 01, 2007
Thomas P. Wampler Charles P. Zawodny Karen D. Jansson
Analytical pyrolysis has been used for decades in the analysis of polymeric materials with techniques not typically compatible with polymers, such as gas chromatography and mass spectrometry. Read More
AFM/Raman Opens New Horizons for Research and Industrial Characterization
Thursday, March 01, 2007
Barbara Foster
Atomic force microscopy (AFM)/Raman is the latest trend in hybrid imaging/chemical analysis instrumentation. Read More
Centrifuge Safety and Security
Thursday, February 01, 2007
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
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