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Date Published
Title
Managing Workstation Exhaust at Biosafety Level Laboratories
Monday, April 03, 2006
Paul A. Tetley
Biosafety level laboratories, particularly Levels3 and 4, present special problems for managing workstation fumehood exhaust.
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Is This Surface Clean? Cleaning Validation by Direct Spectroscopic Surface Analysis
Friday, September 01, 2006
Mary Thomson
Peter Melling
Pharmaceutical manufacturers and formulators must be able to confirm that the equipment they use is clean before it is utilized.
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Saving Money on TOC Analyzer Gas Costs
Friday, September 01, 2006
Jennifer Triplett
Total organic carbon analyzers are increasingly popular as an accurate and inexpensive way to test for inorganic and organic carbon contamination in water samples.
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A Colloid Stability Analyzer for the Analysis of Stability of Complex Formulations
Saturday, April 01, 2006
Breda O’Driscoll
Vitaly Buckin
Scientists in the biotechnology, pharmaceutical, health-care, food and beverage, chemical and petrochemical, polymer, and other industries have spent considerable time studying the relationship ...
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Measuring Viscosity in Samples as Small as 100 Microliters: Part 1
Friday, December 01, 2006
Kerem Durdag
Over the years there have been a number of efforts to build solid-state viscosity sensors for both laboratory and on-line applications that would measure smaller sample sizes, as well as be easier to...
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Use of a LIMS to Help Manage a Larger Workload With Reduced Staff
Wednesday, November 01, 2006
Carolyn Vaughn
A leading manufacturer of tablets, softgels, and two-piece hard-shells in the nutraceuticals and personal health enhancement market, like other players in the industry, faced the challenge of meeting...
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Pressure Digestion or Microwave Pressure Digestion for Sample Preparation?
Tuesday, August 01, 2006
Dieter Gutwerk
Element determination in solids is a multiple-stage process comprising sampling, mechanical sample preparation, and acid digestion procedures that completely convert the analytical materials into ...
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Comprehensive Two-Dimensional Gas Chromatography With a Simple Fluidic Modulator
Saturday, April 01, 2006
John V. Seeley
Nicole J. Micyus
James D. McCurry
Stacy K. Seeley
Gas chromatography is a simple yet powerful technique for analyzing complex mixtures of volatile and semivolatile compounds.
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Using Classifications With Mass Spectral Filters to Enhance Results Obtained From GC×GC-TOFMS Analysis
Wednesday, February 01, 2006
Tincuta Veriotti
Don Hilton
Complex sample mixtures have always been a challenge for the analytical chemist.
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The Determination of Perchlorate in Water Using LC-MS-MS
Friday, September 01, 2006
Joseph Romano
Perchlorate is both a naturally occurring chemical and a man-made inorganic ion.
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Application of Difference Spectroscopy to Biopharmaceutical Formulation Development
Monday, May 01, 2006
John S. Vrettos
Richard P. Affleck
Jing Guo
Thomas M. Spitznagel
Rajesh Krishnamurthy
Spectroscopy is increasingly being used in biopharmaceutical formulation development to characterize protein structure and the response of structure to the formulation configuration.
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Rapid Screening of Complex Mixtures by Thin Layer Chromatography–Bioluminescence
Friday, September 01, 2006
Sheryl Marie Verbitski
Gerald Thomas Gourdin
Larissa Marie Ikenouye
James Dewey McChesney
The screening of complex mixtures such as foodstuffs, beverages, dietary supplements, and wastewater for toxins and adulterants or potential biological activity is often expensive and time consuming.
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Influence of Instrumental Conditions on the Electrospray Ionization Mass Spectrometry of Peptides/Proteins in Mixtures
Wednesday, February 01, 2006
Seetharaman Vaidyanathan
The simultaneous detection of several peptides or proteins in mixtures is an integral part of expression proteomics investigations.
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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.
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A CCD Sensor Optimized for Chemiluminescence, Fluorescence, and Brightfield Applications
Monday, October 02, 2006
John Pizzonia
Complete multimodal imaging for applications in chemiluminescence, fluorescence, and brightfield imaging is achieved with the LAS-3000 image analysis system.
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Ductless Filtering Fume Enclosure or Ducted Fumehood? Selecting the Right Product in Today’s Environment
Thursday, November 01, 2007
Francois Pierre Hauville
What is preferable when handling toxic gases—a ductless filtering fume enclosure or ducted fumehood?
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A New Homogenizing Technology Designed to Save Time, Improve Yield, and Eliminate Cross-Contamination
Wednesday, August 01, 2007
Karl Jahn
Rotor–stator technology is a highly efficient method utilized by many laboratories to homogenize, disrupt, emulsify,and blend a broad range of samples, including tissue samples.
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Spectrophotometric Quantification of Nano- and Standard-Volume Samples
Thursday, November 01, 2007
Reena Kartha
Fabienne Trotier
Andrea Kreuz
Andrea Huber
The spectrophotometric analysis of nucleic acids, proteins, and bacterial cell cultures is part of the daily routine of every modern laboratory.
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Continuous Gas Supply for the Cryo/Bio Laboratory: Increased Performance, Safety, and Cost Efficiency
Monday, August 01, 2005
Patrick Carlucci
David Durkin
Traditionally, the de rigueur source of gas supply for most laboratory and process equipment has been the high-pressure gas cylinder.
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Flow Characterization: Selecting Appropriate Technology
Tuesday, November 01, 2005
Steve Carrington
Joanne Langridge
It is well known that measuring the rheological properties of materials contributes to the development of better products and helps predict end-use performance as well as the physical properties of a...
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