Tuesday, February 01, 2005
Technical Article
Peter Froehlich
Nuclear magnetic resonance (NMR) spectroscopy is a powerful analytical technique that is commonly used to provide structural information as well as other chemical metrics such as sample composition ...
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Thursday, December 01, 2005
Application Note
Neal E. Craft, R. Travis Tucker, John E Estes, Stephanie Marin
Carotenoids such as beta-carotene, lutein, zeaxanthin, and lycopene are believed by many scientists to act as
powerful antioxidants that protect against heart disease and cancer and boost the immune ...
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Wednesday, March 01, 2006
Technical Article
Michael Frank, Angelika Gratzfeld-Huesgen, Stefan Schuette
Analytical laboratories are increasingly
challenged to improve data quality and
increase sample throughput.
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Technical Article
Rita Bibi, Gloria R. Tovo, Ivan Pecorelli
Chemotherapeuticals as feed additives were widely used in the European Union to prevent and control many diseases in food-producing animals,
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Application Note
Ade Kujore, Robert Sandor
Many of us have encountered some IC/HPLC analyses in which the same sample is injected onto two different HPLC/IC systems, in order to ascertain the sample composition, with the only difference ...
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Wednesday, November 01, 2006
Application Note
Patrick McCarthy, Mark Tracy, Terry Sheehan, Christopher Pohl
Immobilized metal affinity chromatography (IMAC) is a well-established protein separation technique experiencing expanded use based on new, high-performance analytical phases.
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Technical Article
Joseph J. Kirkland, Joseph J. DeStefano, Timothy J. Langlois
In recent years, there has been a strong movement toward the use of HPLC columns with smaller particles.
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Technical Article
Mahalakshmi Rudrabhatla, Jason S. Wood
The classical example of detrimental effects caused by bacteria, such as E. coli or Bacillus Anthracis, is through invasion of the host.
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Application Note
Glyn Russell, Phuong Truong, Lindsay Buck, Frankie Button
As a routine analytical tool in the laboratory, there are many important performance requirements such as precision, reproducibility, and sensitivity for an analytical HPLC to achieve satisfactory use...
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Thursday, October 01, 2009
Application Note
Osamu Shirota, Kazuhiko Mibayashi, Yasutaka Naruse, Masashi Mita
Recent high-sensitivity and high-throughput trends in liquid chromatography,influenced largely
by the latest interfacing technologies of mass spectrometry, seem to demand further improvements in ...
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Technical Article
Srinivasa Rao, Kelly J. Flook, Charanjit Saini, Maria Rey, Andy Woodruff, Jim Thayer, Yury Agroskin, Christopher Pohl
Over the last decade, monolith technology has progressed from a promising approach conceived by Fréchet, Švec, Huber, and others to a well-developed separation tool.
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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,="">...
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Wednesday, April 06, 2011
Technical Article
Mark Dawson
As the science of HPLC has evolved over the years, we have witnessed many changes to HPLC chemistry and instrumentation.
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Technical Article
Robert L. Stevenson
At Pittcon® 2011, most new
products appeared to be evolutionary,
not revolutionary.
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Technical Article
Zeenat Ara Lila, Paulette Allen, Tameka Greenwood, Kadeem Bartley, Rafida Idris, Mahtabuddin Ahmed
Glycoxidative modification of proteins involving free radical intermediates and reactive carbohydrates leads to complications in diabetes, atherosclerosis, and Alzheimer’s disease.
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Thursday, September 01, 2011
Technical Article
Heidi Fleischer, Kerstin Thurow
The enantiomeric composition of proline is commonly determined using conventional analytical methods such as HPLC, GC,
and CE.
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Technical Article
Gregory P. Martin
Advances in technology for the preparation of solutions have the potential to improve accuracy in the testing of pharmaceutical samples.
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