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Thorough Risk Assessment Supports At-Scale Process Safety
Wednesday, July 16, 2014
Application Note
Urs Groth
It goes without saying that in any manufacturing environment no one sets out to design an unsafe process. However, it is not enough to ensure a process will be safe under normal operating conditions. read more
Laboratory Automation: 2013–2017
Friday, November 23, 2012
Technical Article
Robert L. Stevenson, Ph.D.
Laboratory automation is changing the work flow in biochemical and chemical laboratories. read more
Analysis of Piperine in Peppers Using On-Line SFE-UHPLC With Photodiode Array Detection
Tuesday, February 01, 2011
Application Note
Takayuki Yamaguchi Kazutoshi Kamezawa Keijin Iwaya Yasuyo Sato Toshihiko Miyaji Masao Bounoshita David J. Tognarelli Muneo Saito
Ultrahigh-performance liquid chromatography (UHPLC) is a separation technique that utilizes columns packed with microparticles (<2 µm in diameter), as provided by the xtreme liquid chromatography (x-lc™) system (jasco corp., tokyo, japan) µm="" in="" diameter),="" as="" provided="" by="" the="" xtreme="" liquid="" chromatography="" (x-lc™)="" system="" (jasco="" corp.,="" tokyo,="">... read more
Determination of Mercury in Slag and Cement Using a Mercury Analyzer
Friday, January 28, 2011
Application Note
Sang-Ho Nam Yu-Na Kim Jin-Su Na Keun-Hyeok Yang
Mercury is one of the most toxic elements in the environment. Humans are exposed to mercury through the inhalation of mercury vapor, ingestion of drinking water, and consumption of fish. read more
Managing Laboratory Maintenance
Tuesday, February 07, 2006
Application Note
L. Wayne Collins
Other than personnel-related costs, maintenance is generally the most expensive item in the laboratory operating budget. read more
Defragmenting Chiral Chromatography
Wednesday, February 01, 2006
Application Note
Regina Valluzzi Benjamin Chaloner-Gill
Chiral molecules continue to drive growth across a number of industries as new chemistries, active ingredients, and products are developed and commercialized. read more
Reflections on a Third-Generation Mobile Phase Recycler for HPLC
Wednesday, February 01, 2006
Technical Article
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
Technical Article
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
Dynamic Light Scattering For the Noninvasive Detection of Protein Aggregation
Wednesday, February 01, 2006
Application Note
Bernard Lorber
Protein homogeneity is an important issue in many fields of research, be it the characterization of newly isolated molecules, the identification of crystallizable samples, or the preparation of ... read more
Single-Step Purification of Lactase From a New Isolate of L. acidophilus
Wednesday, February 01, 2006
Application Note
Sameer K. Akolkar Smita S. Lele
Lactase (ß-D-galactohydrolase EC 3.2.1.23) is widely distributed in microorganisms, plants, and animals. read more
A Multifrequency Temperature-Modulated Technique For DSC
Sunday, January 01, 2006
Application Note
Markus Schubnell Christoph Heitz Thomas Hütter Steven Sauerbrunn Juergen E.K. Schawe
In conventional differential scanning calorimetry (DSC), a sample is subjected to a temperature program with a constant heating rate. As a result, the DSC instrument delivers an output signal, which, ... read more
A High-Sensitivity Sensor for DSC
Friday, August 05, 2005
Application Note
Rudolf Riesen Blaine Weddle
A dramatic increase in sensitivity at low signal noise without a significant loss in signal resolution has been achieved with the HSS7 high-sensitivity sensor. read more