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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
Real-Time Monitoring and Control of Polymer Properties
Thursday, May 26, 2016
Michael F. Drenski Wayne F. Reed
Real-time analysis of polymer properties and reaction kinetics allows scientists to control the outcome of a polymerization process. Read More
Recent Advances in ICP Spectrometers
Monday, September 28, 2015
Mark Grey
When SPECTRO Analytical Instruments (Kleve, Germany) sought to redesign its inductively coupled plasma (ICP) spectrometer instrument line, the company’s engineers worked to address some very specific ... Read More
Recent Developments in Sulfur Analysis
Thursday, January 17, 2013
Scott Fess
Environmental concerns to limit and minimize sulfur in crude oil and petroleum fuels are continuing to spread to many regions of the world, requiring new standard test methods and modern ... Read More
Recovery of Styrene Monomer From Waste Polystyrene Using Catalytic Degradation
Monday, February 18, 2008
Jasmin Shah M. Rasul Jhan Abdur Rahim
Polystyrene (PS) continues to be used worldwide because of its excellent physical properties and low cost. 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
Reduced Carryover Using an LC Autosampler System
Thursday, October 01, 2009
Osamu Shirota Kazuhiko Mibayashi Yasutaka Naruse Masashi Mita
Recent high-sensitivity and high-throughput trends in liquid chromatography,influenced largely by the latest interfacing technologies of mass spectrometry, seem to demand further improvements in ... Read More
Reducing Cell Culture Costs By Reducing Serum Levels
Wednesday, November 01, 2006
John A. Ryan
Cell culture is a very important research tool today, but one that is also very expensive to use. Read More
Reducing Microplate Result Variability Using an AI-Based Approach
Tuesday, August 07, 2018
Paul Hensley
Artificial intelligence-based analysis of individual well patterns is a powerful tool with the potential to reduce the effect on assay variability due to surface chemicals. Read More
Reducing Solvent Emissions in the Laboratory
Monday, September 26, 2016
Amy Valladares
Processes such as concentration and evaporation generate tons of solvent vapors annually that are released into the atmosphere. Read More
Reducing the Total Cost of Biological Safety Cabinet Ownership
Tuesday, May 01, 2018
Martin Cole
Minimizing the total cost of BSC ownership can help lab managers realize their sustainability goals through energy savings and reduced heat emissions. Read More
Reference Standards Address Technical Challenges in DNA Resequencing
Tuesday, August 04, 2015
Natalie A. LaFranzo
The extensive workflow required to analyze DNA samples using next-generation sequencing (NGS) leaves many opportunities for the introduction of variability. Read More
Refrigeration Practices for Biological Sample Preservation
Friday, February 17, 2017
Robert Sandor
Preservation of biological samples such as tissues, plasma and forensic and pathology specimens relies on maintaining proper storage temperatures and on the type of sample and analysis to be done. ... Read More
Reintroducing Countercurrent Chromatography to the Chemist
Friday, October 24, 2008
David Keay Philip Wood
Ever since chemists began using separating funnels to isolate compounds by partitioning, they have understood the potential benefits of liquid/liquid chromatography, known today as countercurrent ... Read More
Reliable and Effective Trace-Level Total Sulfur Determination Using New Injection and Combustion Technologies
Thursday, February 26, 2009
Rene van der Windt Arthur van Strien
Total sulfur and nitrogen (TS/TN) levels are commonly used parameters in the petrochemical, natural gas, and oil refining industries, and the need for their determination is growing due to the ... Read More
Removing the Barriers to High-Sensitivity Microflow Liquid Chromatography/Mass Spectrometry
Wednesday, May 01, 2019
Tyler Davis
Microflow LC provides sensitive analysis of biologics and small-molecule drugs. Read More
Research Tools for Three-Dimensional Cell Culture
Friday, September 07, 2012
Caitlin Smith
In contrast to 2D cell culture, 3D cell culture is better able to approximate in vivo conditions early in the research process. These early-stage data can provide important information about a ... Read More
Response Scene Chemical Confirmation with GC/MS
Friday, August 24, 2018
Philip Tackett
This article discusses a real-life scenario in which a person-portable GC/MS was used for on-site identification of an unknown substance that caused an adverse reaction. Read More
Rethinking Ultrapure Water
Tuesday, September 05, 2017
Véronique Fontalbat
With an intelligently designed water purification system, each step of the ultrapure water workflow can be improved for great efficiency, ease of data management, and improved sustainability. Read More
Role of Cetyltrimethylammonium Bromide in Preparing Porous In-TiO₂ Photocatalytic Material
Friday, January 02, 2015
Wenjie Zhang Xiaobei Pei Jinlei Chen
The application of TiO₂ as the main photocatalyst on degradation of organic pollutants has been widely investigated. Metal ion doping can retard recombination of photogenerated electron-hole pairs in ... Read More