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Scientific Imaging: To Sharpen or Obscure?
Monday, October 01, 2012
Technical Article
Jerry Sedgewick
In the world of scientific imaging, the matter of whether or not to sharpen an image can pose an ethical question: Does sharpening change the essential nature of the image? read more
Product Intelligence: Laminar Flow Hoods and Biological Safety Cabinets
Monday, July 16, 2012
Technical Article
Caitlin Smith
This article explains the concept of laminar flow hoods, which include laminar flow clean benches and biosafety, or biological safety, cabinets. The prospective purchaser of a laminar flow hood will ... read more
LIMS and Public Health
Tuesday, September 01, 2009
Technical Article
William Qualls
The current H1N1 flu pandemic has put a spotlight on public health agencies as they work to identify and contain the outbreak. read more
A Nondestructive Technique for the Detection of Metallic Impurities in Alloys
Tuesday, September 01, 2009
Application Note
John R. Dannecker Neil D. Fichtelberg Scott A. Knowles
Examples of welds contaminated with small quantities of incorrect weld filler metal were recently discovered in fabricated assemblies. The presence of such impurities, which are not detectable using ... read more
1-mm-i.d. Monolithic HPLC Columns for High-Efficiency Protein Separations
Tuesday, September 01, 2009
Application Note
Sebastiaan Eeltink Remco Swart
The preparation of monolithic separation media for HPLC composed of a single, continuous polymer macroporous support has been reported since the late 1960s. Due to its unique material properties, ... read more
Lead in Vinegar: Determination and Possible Sources
Thursday, February 01, 2007
Application Note
Kuria Ndung’u Sharon Hibdon A. Russell Flegal
Exposure to contaminant lead remains a public concern because of its pervasiveness in the environment and increasing evidence of its sublethal toxicities at exposure levels lower than previously ... read more