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Title
Gas Chromatography: A Robust Technique for Use With Volatile and Semivolatile Organic Compounds
Friday, August 26, 2011
Peter Morgan
Tony Edge
Gas chromatography has become one of the most common analytical techniques in the laboratory today.
read more
Rapid, Robust, and Sensitive Detection of 11-nor-Δ
9
-Tetrahydrocannabinol-9-Carboxylic Acid in Hair
Thursday, September 01, 2011
Bernhard Rothweiler
Fred Feyerherm
David Engelhart
Stephan Baumann
Testing hair for drugs of abuse has been practiced for over 50 years, due in large part to the ability to detect drug use over a longer period of time, as compared to other biological matrices, ...
read more
Rapid Enantiomeric Excess Determination of D- and L-Proline Using Electrospray Ionization–Mass Spectrometry
Thursday, September 01, 2011
Heidi Fleischer
Kerstin Thurow
The enantiomeric composition of proline is commonly determined using conventional analytical methods such as HPLC, GC, and CE.
read more
Identification of Volatile and Semivolatile Organic Compounds in Salt Lake Brine
Thursday, September 01, 2011
Qianqian Song
Bin Xu
Xinning Li
Wu Li
Guimin Qian
The deposited salts and brine from salt lakes are important industrial resources for many kinds of salts, such as edible salt, potassium, boron, lithium, and a few heavy metals.
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The Future of GC Instrumentation From the 35th International Symposium on Capillary Chromatography (ISCC)
Thursday, September 01, 2011
Robert L. Stevenson, Ph.D.
Ronda Gras
Milton Lee
Instrumentation has a life cycle. Gas chromatographs are mature, so the cycle is probably 10–12 years.
read more
Technical Advances in Proton Transfer Reaction-Mass Spectrometry and New Fields of Application
Thursday, September 01, 2011
Philipp Sulzer
Alfons Jordan
Lukas Märk
Christopher A. Mayhew
Kurt Becker
Tilmann D. Märk
Scientists at the Institute of Ion Physics at the University of Innsbruck (Austria) started their research on proton transfer reaction-mass spectrometry (PTR-MS) in the early 1980s, including hollow ...
read more
Reliable Clinical and Forensic Drug Testing: Guideline Supports High-Quality Standards in Laboratory Analysis
Friday, October 24, 2008
Melissa D’Archangelo
Developing reliable and efficient procedures for clinical and forensic drug testing is a challenge for many laboratories.
read more
Particle Image Analysis: Microscopy Takes a Technological Leap Forward
Friday, August 29, 2008
Graham Rideal
Electrical sensing zones, low-angle laser light scattering, field flow fractionation, photon correlation spectroscopy, hydrodynamic chromatography, and laser obscuration time are just some of the ...
read more
Flow Injection Spectrophotometric Determination of Acetochlor in Food Samples
Monday, March 24, 2008
Jasmin Shah
M. Rasul Jan
Nadia Bashir
Acetochlor is an herbicide widely used for controlling grass weeds in various crops.
read more
Turning an Acidity or Basicity Quandary Into an Automatic Titration Solution: Solving the Challenge of Acid/Base Balance in Polyol Samples
Friday, October 24, 2008
Chris Hynes
Ross Koile
Uniquely quantifying varying levels of acidity or basicity in polyol samples has traditionally required two different methods utilizing less than desirable titrants with less than optimal results.
read more
Automation of Solid-Phase Extraction for Urinary Opiate Analysis
Friday, October 24, 2008
Jeffery Hackett
Michael J. Telepchak
Michael J. Coyer
The identification and confirmation of opiates extracted from biological matrices such as blood, plasma/serum, and urine may often lead to more questions than answers, as many exponents of forensic ...
read more
Minimizing Liquid Delivery Risk: Automated Liquid Handlers as Sources of Error
Friday, June 01, 2007
Keith J. Albert
This is the second in a series of articles entitled, “Minimizing Liquid Delivery Risk,” addressing the most common causes of liquid delivery error and providing guidance on how to address and overcome...
read more
Measurement of Biodiesel Percentage Volume in B0–B100 Blends Using Encoded Photometric Near-Infrared Spectroscopy
Monday, October 01, 2007
Mike Beauchaine
Derived from biological sources, biodiesel is gaining momentum as the energy source of the future, being biodegradable and nontoxic, and producing around 60% less net carbon dioxide emissions than ...
read more
Measuring Yield Stress
Thursday, November 01, 2007
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
Three Issues of LIMS/Laboratory Informatics That Can Cost Money
Saturday, December 01, 2007
Gloria Metrick
Laboratory information management system (LIMS) and laboratory informatics (LI) projects still have too many significant cost overruns, as do many other software projects.
read more
Minimizing Liquid Delivery Risk: Pipets as Sources of Error
Thursday, March 01, 2007
Richard Curtis
This is the first in a series of articles entitled, “Minimizing Liquid Delivery Risk,” addressing the most common causes of liquid delivery error and providing guidance on how to address and overcome...
read more
Advancements in Photoacoustic Spectroscopy: A Powerful, Cost-Effective Tool for Process Control and Troubleshooting at All Scales of Fermentation
Saturday, September 01, 2007
Lenny Shaver
There is an increasing demand for a dedicated, high-quality, and easy-to-use instrument to measure off-gas exhaust in laboratories and industrial settings during the fermentation process.
read more
A Systematic Computational Approach for Identifying Small Molecules From Accurate-Mass Fragmentation Data
Saturday, November 03, 2007
Daniel L. Sweeney
The relative ease of obtaining accurate-mass fragmentation data on modern LC-MS instruments, faster computers, and the availability of large molecular structure databases have recently made it ...
read more
Minimizing Liquid Delivery Risk: Operators as Sources of Error
Saturday, September 01, 2007
Wendy Vaccaro
This is the third in a series of articles entitled “Minimizing Liquid Delivery Risk,” addressing the most common causes of liquid delivery error and providing guidance on how to address and overcome ...
read more
High-Efficiency FAMEs Analyses Using Capillary GC
Monday, January 01, 2007
Allen K. Vickers
During the past few decades, a variety of theories concerning the hazards and benefits of dietary fats have been postulated, some of which seem to be contradictory.
read more
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