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Title
Design Strategies for Hyper-Clean Laboratories
Tuesday, August 01, 2006
Thomas Harvath
Nanotechnology has been aptly described as the science of building a structure one atom at a time.
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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
Statistics in Analytical Chemistry: Part 45—R
2
(Continued)
Tuesday, November 01, 2011
David Coleman
Lynn Vanatta
In the previous installment (American Laboratory, Oct 2011), the terms that contribute to R2 were defined and a formula relating them was developed.
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The State of Microscopy for 2012
Tuesday, November 01, 2011
Barbara Foster
In various recent interviews, I’ve been asked about the state of microscopy and, most specifically, the rise of technologies such as AFM (atomic force microscopy) and Raman confocal and the ...
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Advances in Flashpoint Testing: Economic Impact
Thursday, November 03, 2011
Hannes Pichler
Flashpoint testing is one of the oldest methods of the ASTM D02 Committee on Petroleum Products and Lubricants, which was formed in 1904.
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Evaluation of Surface-Enhanced Laser Desorption Time-of-Flight Mass Spectroscopy in the Development of Biomarkers of Occupational Acrylamide Exposure
Tuesday, November 01, 2011
Patricia I. Mathias
Kenneth L. Cheever
Surface-enhanced laser desorption time-of-flight mass spectroscopy is a bioanalytical technique used for the rapid examination of intact protein or protein mixtures to exploit the biochemical or ...
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New Products at HPLC 2011
Thursday, November 03, 2011
Robert L. Stevenson, Ph.D.
Traditionally, the HPLC series of meetings has attracted most of the global leaders in separation science.
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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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LIMS and Public Health
Tuesday, September 01, 2009
William Qualls
The current H1N1 flu pandemic has put a spotlight on public health agencies as they work to identify and contain the outbreak.
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Fish-Related Standard Reference Materials
Sunday, February 01, 2009
Michele Schantz
Stephen A. Wise
Steven J. Christopher
W. Clay Davis
Rusty D. Day
Jennifer M. Keller
John R. Kucklick
Stephen E. Long
Elizabeth A. Mackey
David Point
Barbara J. Porter
Dianne L. Poster
Katherine E. Sharpless
Gregory C. Turk
Humans have been eating fish for thousands of years, enjoying its nutritional benefits. In extreme cases, health risks posed by contaminants can outweigh the health benefits imparted by fish ...
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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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Utilizing Extended Linear Velocity to Maximize Peak Capacity in UHPLC
Tuesday, November 01, 2011
Dawn Stickle
Bob Giuffre
Historically, plate height as given by the Van Deemter equation has been used as the measure for separation efficiency in terms of contribution from the A, B, and C term versus linear velocity.
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Pesticide Residue Testing of Grains and Oil Seeds: Minimizing False Positives and False Negatives
Sunday, January 01, 2012
Robert Trengove
Bruce Peebles
Katherine Rousetty
Sze Bong
Felician Muntean
Steven Schachterle
Chris Kellog
Patrick Jeanville
GC-MS based pesticide residue testing in grains often results in enhanced response, with the degree of enhancement being dependent on the type of grain.
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