Application Notes

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Integrating Informatics and High-Content Screening to Find a Cure for Spinal Cord Injury: Selecting a LIMS for CNS Regeneration
Friday, January 01, 2010
Vance Lemmon William Buchser Don Crossett
The Miami Project to Cure Paralysis, part of the University of Miami Miller School of Medicine, includes a laboratory devoted to high-content screening (HCS) of neurons. The laboratory is run by Vance... Read More
Direct Determination of Trace Elements in Solid Samples by DC Arc With Emphasis on the Analysis of High-Purity Copper
Friday, January 01, 2010
Maura Mahar Garry Kunselman Peter Brown Paul Dalager Peter Perzl
Fast, direct, quantitative elemental analyses of solids that are difficult to digest are hallmarks of the DC Arc technique. The earliest DC Arc instruments relied on photographic plate detectors. ... Read More
The Missing Link Between HPLC and UPLC Technology
Monday, February 01, 2010
William Foley Beth Gildea Thomas E. Wheat
Having proven its performance and reliability under extremely rigorous conditions for the most demanding applications, UPLC technology has brought routine benefits to increasing numbers of scientists,... Read More
The Use of Gel Permeation-Chromatography for the Cleanup of Samples in the Analytical Laboratory
Monday, February 01, 2010
Wendy Rasmussen
Gel permeation chromatography (GPC) is a subset of a very common technique called size exclusion chromatography (SEC), which involves the separation of molecules by their hydrodynamic volume in ... Read More
The Future of Rapid On-Line Measurement
Monday, February 01, 2010
Aubrey Lambert
Fiber optic technology has already radically altered the telecommunications field, by carrying highly multiplexed data at great speeds over vast distances. Now these capabilities have been packaged ... Read More
QuEChERS Dispersive SPE for Multiresidue Pesticide Analysis
Monday, March 01, 2010
Ruth Lewis Anila Khan
Recently formulated pesticides are very different in their physical properties from their predecessors, such as 4,4'-DDT (dichlorodiphenyltrichloroethane). Most recently formulated pesticides are ... Read More
High-Precision, High-Sensitivity Measurements of Lead and Cadmium in Honey by GFAAS
Monday, March 01, 2010
Zhi-Gang Ouyang Zhong-Lan Chen Ying Wu
Honey is a natural substance produced in honeycombs by honeybees under special conditions. For centuries, honey has often been referred to as nature’s medicine. It is known to help heal bronchial ... Read More
Increasing Quality Control Testing Efficiency with Compliant-Ready SOP Digital Forms
Monday, March 01, 2010
Thomas Schmidt Wolfgang Lemmerz Chris Stumpf
A survey of pharmaceutical team leaders conducted in 2005 found that the three biggest challenges facing pharmaceutical manufacturing were standard operating procedures (SOPs) and training, quality ... Read More
Analysis of Migratory Elements in Toy Samples Using ICP Spectroscopy
Friday, April 02, 2010
Matthew Cassap
A number of high-profile cases concerning toys contaminated with heavy metals, such as cadmium, lead, and arsenic, have highlighted the importance of rigorous testing of toy product samples for toxic ... Read More
A Portable Gas Analyzer With Wireless Transmission of Gas Concentrations and GPS Coordinates
Friday, April 02, 2010
Jack Driscoll Jack Hamm Nick Hennigar Walter Johnson Pol Perov Nataliia Perova
The four-channel gas analyzer described in this article includes a wireless mote (tiny microcomputer with radiofrequency transmitter) connected to a GPS chip for transmission of data to a base station... Read More
Virus-Like Particle Characterization Using AF4 Channel Technology
Friday, April 02, 2010
Rainer Lang Lorenz Vogt Alexander Zürcher Gerhard Winter
Virus-like particles (VLPs) are of growing interest in the pharmaceutical sciences. During the past few years, they have gained more and more attention as a new, safe class of vaccines, suitable for ... Read More
Determination of Total Mercury in Fish and Biological Tissue Using a Direct Mercury Analyzer
Friday, April 02, 2010
Johan Nortje
Mercury is naturally present in the earth and enters the air and water through the burning of fossil fuels, discharge of industrial waste, and use of pesticides. Through this redistribution, mercury ... Read More
Food Texture Analysis
Saturday, May 01, 2010
Richard D. Brown
Texture testing is a well-established technique for evaluating the mechanical and physical properties of raw ingredients, food structure, and designs, and for pre- and post-quality control checks. ... Read More
The Path to the Paperless Laboratory: A Workstation-Based Consumables Inventory Management System
Tuesday, June 01, 2010
John P. Helfrich
In all analytical laboratories, the purchase, preparation, storage, and control of chemical reagents, standards, and working reagents are routine tasks. Read More
Use of Odor Detection Software to Match GC-MS Library Search Results and Odor-Active Compounds
Tuesday, June 01, 2010
Philippe Mottay Robert Stoop Peter Picher Urs Hofstetter
Because GC and GC-MS are not always sufficient for olfactory analysis, chemists turn to gas chromatography– olfactometry (GC-O) for the detection of low-level odor-active compounds. Though powerful... Read More
The Double Life of Structured Fluids
Sunday, August 01, 2010
Neil Cunningham Bob McGregor
The products we stir, pump, spread, pour, and spray are usually thought of as liquids. Surprisingly, however, it can be demonstrated that they live a quiet double life as liquids when observed,but ... Read More
Use of UHPLC-MS to Determine Illicit Drugs
Sunday, August 01, 2010
Guifeng Jiang
Illicit drugs are listed under five categories,namely, narcotics, stimulants, depressants, hallucinogens, and cannabis. These categories include drugs that are produced legally and prescribed by ... Read More
Evaluating the Presence and Impact of Emerging Contaminants in Laboratory Water
Sunday, August 01, 2010
Estelle Riché Maricar Tarun
At the annual American Chemical Society spring meeting in 2010, researchers described how active pharmaceutical ingredients (APIs) contained within medications that are applied topically to the skin ... Read More
X-ray Photoelectron Spectroscopy (XPS) for Energy-Related Device Characterization
Sunday, August 01, 2010
Richard White John Wolstenholme
Recent developments in spectrometer design have made the unique capabilities of X-ray photoelectron spectroscopy (XPS) accessible to scientists and engineers working on the latest devices for energy ... Read More
Determination of Free Formaldehyde in Cosmetic Preservatives and Surfactants by HPLC With Postcolumn Derivatization
Sunday, August 01, 2010
Henry Joshua Elizabeth Hillebrand
Formaldehyde or formaldehyde-releasing preservatives are frequently used in cosmetic preparations such as shampoos and skin-care products for the prevention of microbial and fungal growth. Many ... Read More

Sort

Integrating Informatics and High-Content Screening to Find a Cure for Spinal Cord Injury: Selecting a LIMS for CNS Regeneration

Direct Determination of Trace Elements in Solid Samples by DC Arc With Emphasis on the Analysis of High-Purity Copper

The Missing Link Between HPLC and UPLC Technology

The Use of Gel Permeation-Chromatography for the Cleanup of Samples in the Analytical Laboratory

The Future of Rapid On-Line Measurement

QuEChERS Dispersive SPE for Multiresidue Pesticide Analysis

High-Precision, High-Sensitivity Measurements of Lead and Cadmium in Honey by GFAAS

Increasing Quality Control Testing Efficiency with Compliant-Ready SOP Digital Forms

Analysis of Migratory Elements in Toy Samples Using ICP Spectroscopy

A Portable Gas Analyzer With Wireless Transmission of Gas Concentrations and GPS Coordinates

Virus-Like Particle Characterization Using AF4 Channel Technology

Determination of Total Mercury in Fish and Biological Tissue Using a Direct Mercury Analyzer

Food Texture Analysis

The Path to the Paperless Laboratory: A Workstation-Based Consumables Inventory Management System

Use of Odor Detection Software to Match GC-MS Library Search Results and Odor-Active Compounds

The Double Life of Structured Fluids

Use of UHPLC-MS to Determine Illicit Drugs

Evaluating the Presence and Impact of Emerging Contaminants in Laboratory Water

X-ray Photoelectron Spectroscopy (XPS) for Energy-Related Device Characterization

Determination of Free Formaldehyde in Cosmetic Preservatives and Surfactants by HPLC With Postcolumn Derivatization

Product Guide

Micromachined HPLC Columns Can Revolutionize Proteomics Workflows

Buyer's Guide: GC-MS for Monitoring Environmental Pollutants

Refocusing the Lens of Cancer Screening

Study: NGS Should Be Go-to Technology on Day Zero of the Next Pandemic

Overcoming Common Challenges in Sample Viability for Single-Cell Research