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Title
Fast, Practical GC and GC-MS
Monday, January 01, 2007
Jaap de Zeeuw
Martine Barnes
Shortening run times is a welcome exercise for many laboratories, especially when sample throughput needs to be increased.
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Applications of Ion Chromatography in the Public Health Sector and Advances in Chromatography Systems at IICS 2011
Saturday, October 01, 2011
Robert L. Stevenson, Ph.D.
Never before have I attended a meeting that concisely addressed so many topics of current public concern.
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Highlights From the 15th International Symposium on Field- and Flow-Based Separations (FFF 2011)
Saturday, October 01, 2011
Robert L. Stevenson, Ph.D.
Field flow fractionation (FFF) suffered through a long, 40-year infancy and is only now entering puberty.
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Influence of Sample Preparation on the Assay of Phytochemicals
Wednesday, March 01, 2006
Devanand L. Luthria
Sample preparation is often considered a means to an end.
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High-Purity Water and pH
Thursday, June 01, 2006
Estelle Riché
Aude Carrié
Nicolas Andin
Stéphane Mabic
pH influences the rate of many chemical and enzymatic reactions.
read more
Freeze-Drying 101: Lyophilization Technology
Monday, April 04, 2005
Charles D. Dern
Freeze-drying is a complex and not completely understood process that requires one to carefully balance product requirements with equipment capabilities.
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How to Minimize Septum Problems in GC
Thursday, September 01, 2005
Jaap de Zeeuw
Although GC has been in use for more than three decades, the simple solution of sealing a hot, pressurized injection system with a slice of silicone is still being practiced.
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A Novel Chemical Route to Stable, Regenerable Zirconia-Based Chiral Stationary Phases for HPLC
Saturday, October 01, 2005
Richard A. Henry
Clayton V. McNeff
Bingwen Yan
Thomas R. Hoye
High-performance liquid chromatography has become the dominant method for the analytical and preparative separation of chiral pharmaceuticals.
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Determination of Acid Herbicides in Water by GC-MS: A Modified Method Using Single Extraction and Methanol Esterification
Tuesday, March 01, 2005
Pradyot Patnaik
Jacques N. Khoury
Chlorophenoxy acids are an important class of herbicides that are widely used for weed control in agriculture and forestry.
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Sizing Particles
Tuesday, November 01, 2005
Michael Levin
Many methods and numerous instruments are available from recognized vendors to measure particle size.
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Mold-Specific Quantitative PCR: The Emerging Standard in Mold Analysis
Saturday, January 01, 2005
Mary Jo Vesper
Steve Vesper
David Kahane
Rich Haugland
Molds can cause health problems such as infections and allergies, destroy crops, and contaminate food or pharmaceuticals.
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Scaling the Scaffolds: Control of Pore Size in Tissue Engineering Scaffolds
Tuesday, November 01, 2011
Katriona Scoffin
A bioscaffold is a medical device designed to support the growth of new tissue. Scaffolds are used in vivo to support the regrowth of soft tissues and bone after surgery or injury; in vitro they ...
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Crystallization Techniques in a Laboratory Furnace
Tuesday, November 01, 2011
B. Cabric
N. Danilovic
A. Janicijevic
An air-cooled tube in a laboratory furnace (crystallization shelf) that regulates the crystallization fronts and rates in columns of crucibles was described in a previous paper.
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Achieving Precise and Accurate Sulfur Determination in Ultra-Low Sulfur Diesels, Biodiesels, and Jet Fuels Using Direct Injection Technology
Monday, February 20, 2012
Angela Seipel
Over the last few decades, there has been increasing regulatory pressure worldwide to reduce the maximum permissible levels of sulfur in fuels, in order to minimize environmental pollution and protect...
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Creating the World’s Most Comprehensive Drug Repurposing Library
Friday, June 01, 2012
Christian A. Hassig
Layton H. Smith
Michael Jackson
Finding new treatments for human diseases is a challenging, lengthy, and costly endeavor.
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Laboratory Automation: Important Considerations
Wednesday, March 28, 2012
Dave Hickey
Up to an estimated 70% of medical decisions are based on laboratory test results. Yet, while diagnostic testing is a critically important step toward improving health-care outcomes, many labs remain ...
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Determination of Electrochemical Reaction Resistance and Double-Layer Capacitance Using the Small Amplitude Triangular Wave Potential Sweep Method
Tuesday, July 24, 2012
Ya Chen
Electrochemical analysis (or electroanalytical chemistry) is an important division of analytical chemistry, and is introduced in laboratory-oriented courses for graduate students in electrochemistry ...
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Using Inductively Coupled Plasma (ICP) Metal Data and Alkalinity Results for Effective Screening of Acidity Samples
Tuesday, May 15, 2012
Curtis Callahan
Acidity and alkalinity analyses are quantitatively and qualitatively related. These analyses are used in determining water quality, especially in areas of mining.
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New Instrumentation and Applications at HPLC 2012
Friday, August 10, 2012
Robert L. Stevenson, Ph.D.
A marketplace is usually dynamic, with a cross-current of disparate interests meeting to find mutual satisfaction.
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Determination of Melamine and its Analogues from Powdered Infant Milk Using Polymeric Solid-Phase Extraction (SPE) and Reversed-Phase Chromatography
Thursday, September 06, 2012
Daniel Tran
Since the infant milk scandal in 2007, several methods have been developed for the analysis of melamine in dairy products.
read more
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