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Title
Determination of Sulfur Compounds in Natural Gas and Gaseous Fuels by Gas Chromatography and Pulsed Flame Photometric Detection
Friday, February 19, 2016
Cynthia Elmore
Michael Duffy
The carbonated beverage and petrochemicals industries are just some areas in which the analysis of volatile sulfur-containing compounds in process streams is a critical quality-control step.
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Development of a 100% Dimethyl Sulfoxide (DMSO) Sample Solution for Liquid Handler Performance Verification
Friday, June 07, 2013
Rachel Parshley
John Thomas Bradshaw
Karl Olson
Dimethyl sulfoxide (DMSO) has become one of the most important solvents used for high-throughput screening (HTS) and compound management applications due to its ability to readily dissolve a wide ...
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Ensuring Data Integrity in Dropping Point Determination
Wednesday, March 12, 2014
Hans-Joachim Muhr
Softening and dropping point determination are established analytical tests that provide quality control for petrochemical products such as lubricating grease. However, to be accurate and comparable, ...
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Evaluation of an Automated Solid-Phase Extraction Method Using Positive Pressure
Wednesday, April 08, 2015
Heidi Fleischer
Kerstin Thurow
Ellen Vorberg
Carolin Gallert
Thomas Roddelkopf
Steffen Junginger
Investigations for the determination of drugs in real samples, while gaining in importance, are limited by time and sample throughput. In response to this, the authors developed an automated solid-...
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Failure Analysis of Rubber Materials Using Pyrolysis-GC/MS
Wednesday, February 14, 2018
Rojin Belganeh
William Pipkin
Pyrolysis GC/MS has a wide variety of applications for identifying the organic composition of unknown samples by providing detail information about the compounds present in a sample.
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Five Ways to Improve the Workflow and Financial Health of the Laboratory
Friday, September 25, 2015
Trish Meek
Henry Ford quipped, “There are no big problems; there are just a lot of little problems.”
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Fume Hoods and Cabinets
Friday, May 19, 2017
Biological safety cabinets and fume hoods protect samples, personnel and the laboratory environment from harsh chemicals or infectious substances.
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Glycoxidative Modification of Adenosine in Relation to Diabetes and Obesity: Detection of Carboxymethyl-Adenosine in Biological Samples
Friday, August 07, 2015
Zeenat Ara Lila
Louis D. Whitesides
Chukudi Weze
Yazmine Thomas
Proteins are modified in residues of lysine, arginine, histidine, etc., due to high concentrations of sugar and fatty acids in the bloodstream in relation to diabetes.
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High-Pressure Ion Chromatography Enables Fast, Reliable Analysis of Inorganic Cations and Ammonium in Environmental Water Samples
Thursday, September 01, 2016
Carl Fisher
Common alkali and alkaline earth cations are not considered primary drinking water contaminants, but alkaline water can potentially interfere with water clarification and disinfection procedures and ...
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High-Speed Zone Refining
Thursday, June 16, 2016
Julie DeCook
Zone refining is a process in which organic and inorganic compounds are purified.
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High-Throughput VOC and Inorganic Gas Analysis: Automated SIFT-MS
Friday, January 20, 2017
Mark J. Perkins
Vaughan S. Langford
Murray J. McEwan
A sensitive technique called selected ion flow tube mass spectrometry (SIFT-MS) allows the direct, real-time monitoring of inorganic gases and volatile organic compounds (VOCs), with no need to ...
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How Electronic Laboratory Notebooks Aid in the Development of Bioanalytical Assays for Large Molecule Detection by LC/MS
Wednesday, April 16, 2014
Laura Swift
The use of electronic laboratory notebooks (ELNs) is becoming more popular among research and development (R&D) organizations. These electronic platforms optimize workflow and expedite data analysis ...
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How Solid-Phase Extraction Affects Challenges in Bioanalysis
Wednesday, February 05, 2014
Mike Oliver
Tim Liddicoat
Ken Meadows
Modern bioanalytical laboratories are tasked with providing high-quality analytical results from complex biological samples in a high-throughput environment. These needs have to be balanced with the ...
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How to Avoid Size Mismatch Between Solutes and Column Pores for Optimum HPLC Performance
Wednesday, June 07, 2017
Richard A. Henry
Stephanie Schuster
This article describes a new approach for selecting optimum column pores for separating large molecules without losing high performance.
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How Visualization and Analytics Help Scientists Make Better Decisions Faster
Friday, May 11, 2018
Tom Oldfield
Robert D. Brown
Artificial intelligence. Machine learning. Automation. As these technologies become more widely adopted among life sciences companies in hopes of better innovation and faster drug development, it is ...
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Integration of a Dilution Module in a Mass Spectrometry-Based Online Reaction Monitoring System
Friday, January 20, 2017
Heidi Fleischer
Kerstin Thurow
Vinh Quang Do
Dany Hoffmann
A dilution module based primarily on a mass rate attenuator solves the problem of high concentration solution to the mass spectrometer. The low-flow compensation approach was used to circumvent the ...
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Ion-Exchange Selectivity and High-Resolution Accurate-Mass Spectrometry Elucidate Lithium-Ion Battery Degradation Pathways
Monday, May 09, 2016
Christopher Pohl
Charanjit Saini
Rosanne W. Slingsby
Paul J. Voelker
Kate Comstock
John Moote
Michael P. Balogh
Ramona Y. Ying
Improved performance and lifetime of lithium-ion batteries is important for automobile manufacturers that produce cars powered electrochemically by lithium-ion battery packs.
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Lab Vacuum Pumps: Selection and Protection
Friday, February 17, 2017
Peter Coffey
Useful tips are given for choosing the right vacuum pump for the lab.
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Linear Transformation Applied to the Calibration of Analytes in Various Matrices Using a Total Hydrocarbon Analyzer
Friday, July 24, 2015
Michael T. Tang
Grace Feng
Greg Merideth
Rui Huang
Total hydrocarbon analyzers provide linear responses to methane and other hydrocarbons; however, the slope and intercept measurements are dependent on the matrix. This requires that calibration be ...
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Losses of Proteins in Gradient HPLC
Friday, August 24, 2018
Steven C. Goheen
Jacqueline Hilsenbeck-Fajardo
Gradient elution of biopolymers by HPLC is an effective method for separation and quantitation.
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