Application Notes

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An Improved Protocol for the Analysis of Alcohols by Direct Analysis in Real Time Mass Spectrometry
Thursday, June 18, 2009
James A Laramée H. Dupont Durst J. Michael Nilles Theresa R. Connell
It was previously reported that when Direct Analysis in Real Time (DART™) (JEOL USA, Inc., Peabody, MA) mass spectrometry was applied to the analysis of very pure alcohols, their mass spectra were ... Read More
Food Safety: The Value of LIMS in This Regulated Environment
Thursday, May 28, 2009
Colin Thurston
The U.S. Food and Drug Administration (FDA) has issued a number of regulations to ensure the safety of food manufactured, distributed, exported, and imported in the U.S. The Federal Food, Drug and ... Read More
Selecting Centrifuge Consumables
Friday, April 17, 2009
Tammy Goodman
Selecting a centrifuge and rotor can sometimes feel like the easy part when faced with choosing the consumables in which to centrifuge samples. There are many suppliers of centrifuge tubes to choose ... Read More
A Chromatography Detector for Multicomponent Analysis of Macromolecules and Polymers
Friday, April 17, 2009
Jason Sanchez Paul Clarke Jean-Luc Brousseau
The properties of long-chain molecules and polymers are tailored to meet the demands of a specific application in a range of different ways. In the production of “smart” materials and other high-... Read More
Decoding the Nanoworld: Pushing the Envelope in Atomic Force Microscopy
Friday, April 17, 2009
Mario Viani Roger Proksch Jason Cleveland Monteith G. Heaton
Over the past decade, atomic force microscopy/scanning probe microscopy (AFM/SPM) has emerged as the leading tool for investigations at the nanoscale—doing everything from imaging, to compositional ... Read More
Alcohols Can Now Be Analyzed by a Direct Analysis in Real-Time Method: Applications for Chemical Warfare Agent Synthesis
Sunday, March 01, 2009
James A Laramée H. Dupont Durst J. Michael Nilles Theresa R. Connell
The cardinal principle for an operation involving chemical agents is to limit the potential exposure to a minimum number of personnel, for a minimum period of time, to a minimum amount of the ... Read More
$A Fully Automated Benchtop X-Ray Diffractometer for Structure Determination of Small Molecules$
A Fully Automated Benchtop X-Ray Diffractometer for Structure Determination of Small Molecules
Tuesday, March 17, 2009
Michael Ruf
Single-crystal crystallography provides accurate and precise measurements of molecular dimensions in a way that no other science can begin to approach. Small-molecule crystallographers study ... Read More
A High-Throughput GPC System for Routine or Standardized SEC Analysis
Sunday, March 01, 2009
Xavier Villarreal Howard Barth
Overcoming bottlenecks in the laboratory,and thus saving valuable time and money, is an important goal for scientists. Read More
Why Managed Maintenance is the HMO of Laboratory Instrumentation Repair and Maintenance
Friday, February 20, 2009
Mark Circo
Our industry has undergone some dramatic changes in the past few years. Managed maintenance developed as a way for universities and large laboratories to save money on the annual maintenance of their ... Read More
Take the Laboratory With You: Portable XRF
Thursday, February 26, 2009
Jeffrey Henseler
Energy dispersive X-ray fluorescence (ED-XRF) instruments perform nondestructive analysis of a wide range of elements with accuracy and precision. They are relatively inexpensive and are an excellent ... Read More
Application of UPLC Amino Acid Analysis Solution to Foods and Feeds
Sunday, February 01, 2009
Thomas E. Wheat Hillary B. Hewitson Diane M. Diehl
Amino acid analysis has been used in the food and feed industries to verify and characterize materials and processes. The total amino acid content, as well as the proportions of growth-limiting amino ... Read More
Analysis of Oxygenates in Gasoline by Multidimensional Gas Chromatography
Sunday, February 01, 2009
Takaaki Hiraoka Mikiko Asakawa Toyohito Wada Masanao Furukawa Yasunori Terai
The quantitative measurement of oxygenated compounds such as alcohols and ethers in gasoline by gas chromatography is difficult, because a single column for the complete separation of the target ... Read More
A GC Tool to Ensure Precise GC Column Installation for Method Sensitivity and Reproducibility
Sunday, February 01, 2009
Kory Kelly
Correct and precise gas chromatography column installation is critical to system performance. Columns that are installed at an improper or inconsistent depth will adversely affect analyte response and... Read More
Reliable and Effective Trace-Level Total Sulfur Determination Using New Injection and Combustion Technologies
Thursday, February 26, 2009
Rene van der Windt Arthur van Strien
Total sulfur and nitrogen (TS/TN) levels are commonly used parameters in the petrochemical, natural gas, and oil refining industries, and the need for their determination is growing due to the ... Read More
Fluorescence Microscopy: Solving Common Documentation Challenges
Sunday, November 01, 2009
Mark Clymer
Fluorescence has proven to be a useful technique for identifying, tracking, and studying molecules of interest in biological specimens. In fact, fluorescence is among the fastest growing microscopy ... Read More
Use of an Automated Microscope Platform for Protein and Small-Molecule Crystal Harvesting
Sunday, November 01, 2009
Tom Friedlander
A standard laboratory microscope is a necessary tool in almost every laboratory in the world. While electron, fluorescence, confocal, and atomic force microscopes (AFMs) are gaining in popularity, the... Read More
Advances in Cryo-SEM: From Micrometers to Nanometers
Sunday, November 01, 2009
Jens Greiser
Science is driving the demand for nanoscale resolution. Cryo-scanning electron microscopy (cryo-SEM), which combines the high-performance imaging of scanning electron microscopy (SEM) with cryogenic ... Read More
The Helium Ion Microscope: Advances in Technology and Applications
Sunday, November 01, 2009
Larry Scipioni Paul Alkemade Vadim Sidorkin Ping Chen Diederik Maas Emile van Veldhoven
Helium ion microscopy (HIM) offers the highest spatial resolution surface imaging of any scanning beam method, as well as extremely high surface sensitivity. Read More
Impurity Evaluation of Heparin Sodium by Anion Exchange Chromatography
Thursday, October 01, 2009
Catalin E. Doneanu Weibin Chen
As a blood-thinning drug, heparin and its derivative, low-molecular-weight heparin (LMWH), have been widely used for decades during surgery and kidney dialysis. Read More
Dietary Supplement Standard Reference Materials
Thursday, October 01, 2009
Lane C. Sander Karen W. Phinney Michele M. Schantz Katherine E. Sharples Stephen A. Wise
In 1994, the U.S. Congress enacted the Dietary Supplement Health and Education Act (DSHEA) to "protect the right of access of consumers to safe dietary supplements." One way in which this is expected ... Read More

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An Improved Protocol for the Analysis of Alcohols by Direct Analysis in Real Time Mass Spectrometry

Food Safety: The Value of LIMS in This Regulated Environment

Selecting Centrifuge Consumables

A Chromatography Detector for Multicomponent Analysis of Macromolecules and Polymers

Decoding the Nanoworld: Pushing the Envelope in Atomic Force Microscopy

Alcohols Can Now Be Analyzed by a Direct Analysis in Real-Time Method: Applications for Chemical Warfare Agent Synthesis

A Fully Automated Benchtop X-Ray Diffractometer for Structure Determination of Small Molecules

A High-Throughput GPC System for Routine or Standardized SEC Analysis

Why Managed Maintenance is the HMO of Laboratory Instrumentation Repair and Maintenance

Take the Laboratory With You: Portable XRF

Application of UPLC Amino Acid Analysis Solution to Foods and Feeds

Analysis of Oxygenates in Gasoline by Multidimensional Gas Chromatography

A GC Tool to Ensure Precise GC Column Installation for Method Sensitivity and Reproducibility

Reliable and Effective Trace-Level Total Sulfur Determination Using New Injection and Combustion Technologies

Fluorescence Microscopy: Solving Common Documentation Challenges

Use of an Automated Microscope Platform for Protein and Small-Molecule Crystal Harvesting

Advances in Cryo-SEM: From Micrometers to Nanometers

The Helium Ion Microscope: Advances in Technology and Applications

Impurity Evaluation of Heparin Sodium by Anion Exchange Chromatography

Dietary Supplement Standard Reference Materials

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