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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. read more
A Zoom Fluorescence Research Microscope for Macro- to Microfluorescence Imaging
Friday, November 25, 2005
Christopher Higgins
Scientists are increasingly interested in viewing both ends of the research spectrum—from cellular and subcellular level observations to tissue,organ, and whole animal studies. read more
A Versatile Column for Surfactant Analysis by HPLC
Friday, November 25, 2005
Xiaodong Liu Chris Pohl
Surfactants are widely used for industrial, agricultural, and pharmaceutical applications, in products as diverse as pesticides, detergent powders, petroleum products, cosmetics,and pharmaceuticals. read more
Procurement and Supply of Cell Storage Systems for the Biotechnology Laboratory
Thursday, December 01, 2005
Steve Scheuring Jim Gordon
Specifying a cell storage system is an important decision for any life sciences laboratory. read more
Statistics in Analytical Chemistry: Part 19—Internal Standards
Thursday, December 01, 2005
David Coleman Lynn Vanatta
The previous several articles have dealt with calibrationstudy design and calibration-diagnostic procedures. read more
Capillary Electrophoresis–Sodium Dodecyl Sulfate of a Heavily Glycosylated Protein: Feasibility of Stability Monitoring
Sunday, January 01, 2006
Le Zhang Bernice Yeung Jennifer Liu
In the biotechnology industry, traditional sodium dodecyl sulfate-polyacrylamide gel electrophoresis(SDS-PAGE)has been widely used to monitor the integrity and purity of therapeutic proteins during ... read more
Taking Thermogravimetric Analysis to a New Level of Performance and Convenience
Tuesday, January 03, 2006
George Dallas
Thermogravimetric analysis (TGA) is an established technique for studying the thermal stability of materials and for determining and understanding their decomposition profiles. read more
Cost-Effective DNA Analyzers for Increased Quality and Productivity in Sequencing and Genetic Analysis
Wednesday, February 01, 2006
Lauren Seilnacht Suresh Pisharody
In the past decade, advancements in DNA analysis technologies have had an enormous impact on the progress of life science research and have fueled the genomics revolution. read more
Reflections on a Third-Generation Mobile Phase Recycler for HPLC
Wednesday, February 01, 2006
Al Welch
The volume of HPLC mobile phase (MP) purchased and discarded each year is about 20,000,000 L, or enough to fill two rail trains each with 100 tank cars. On average, each of the 200,000 active HPLCs... read more
Statistics in Analytical Chemistry: Part 20—Recovery Curves
Wednesday, February 01, 2006
David Coleman Lynn Vanatta
In Part 19 of this series (American Laboratory Dec 2005), the use of an internal standard (IS) was discussed and an example was given. read more
Microcalorimetry: A Powerful Tool for Characterizing Amyloid Fibril Formation
Friday, February 03, 2006
Verna Frasca
Many soluble proteins misfold and form insoluble amyloid fibrils. This process occurs in many neurodegenerative disorders, such as Alzheimer’s disease, amyotrophic lateral sclerosis, Parkinson’s ... read more
Increasing the Stability of Liquid Stationary Phases for Improved Stability in High-Temperature GC
Wednesday, March 01, 2006
Jaap de Zeeuw Coen Duvekot Martine Barnes
The attempt to stabilize stationary phases for use in gas chromatography is ongoing. read more
Performance-Verified High-Speed LC: Assessing the Capabilities of a Flexible System for STM-LC and HPLC
Wednesday, March 01, 2006
Michael Frank Angelika Gratzfeld-Huesgen Stefan Schuette
Analytical laboratories are increasingly challenged to improve data quality and increase sample throughput. read more
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. read more
Advanced Dryness Detection for Improved Throughput and Yield During Evaporation
Saturday, March 04, 2006
Rob Darrington David Griffin
In many laboratories across a wide range of disciplines, removal of solvent from dissolved sample is a routine, daily procedure. read more
A High-Throughput Device for Processing Samples on Solid Supports
Saturday, April 01, 2006
O. Mitch Griffith
Crime statistics now support the effectiveness of aggressively analyzing breaking-and-entering cases and developing genotype databases of these felons. read more
Three-Dimensional Elemental Imaging Using a Confocal X-Ray Fluorescence Microscope
Saturday, April 01, 2006
Brian M. Patterson George J. Havrilla
Micro X-ray fluorescence (MXRF) is a powerful elemental technique that can nondestructively provide both single-point spectra and full spectral elemental maps. read more
Statistics in Analytical Chemistry: Part 21—Recovery Curves and Internal Standards (Concluded)
Saturday, April 01, 2006
David Coleman Lynn Vanatta
The previous two installments have discussed the issue of nonideal recovery, a problem that occurs in many analytical methods. read more
Improving and Speeding up the Characterization of Substances, Materials, and Products: Benefits and Potentials of High-Speed DSC
Monday, April 10, 2006
Vincent B.F. Mathot Geert Vanden Poel Thijs F.J. Pijpers
High-speed calorimetry, and specifically high-speed differential scanning calorimetry (DSC), has received a great deal of attention in recent years. read more
Development of an LC-ESI-MS-MS Method With Formate Anion Attachment for Detecting Neutral Molecules in Rat Plasma
Monday, May 01, 2006
Changyu Quang Geralyn Kocan Daniel Tang Douglas M. Fast Steven M. Michael
Quantitative bioanalysis is the most important application area of liquid chromatography coupled with atmospheric pressure ionization (API) tandem mass spectrometric detection (LC-API-MS-MS) in ... read more

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