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6 Current news about the topic photometry

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Fast, accurate, non-contact, non-destructive

Process monitoring with laser speckle photometry

07-Jun-2016

Since the 1960s speckle patterns are used for the evaluation of quality-relevant material parameters and defects. The laser speckle photometry works without reference beam unlike other speckle-based processes. This allows for a simple and robust construction, which can be easily integrated into ...

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Can you analyze me now? Cell phones bring spectroscopy to the classroom

14-Oct-2010

University of Illinois chemistry professor Alexander Scheeline wants to see high school students using their cell phones in class. Not for texting or surfing the Web, but as an analytical chemistry instrument. Scheeline developed a method using a few basic, inexpensive supplies and a digital ...

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Researchers develop new method to detect melamine in milk

University of Miami engineer and her collaborators are using gold nanoparticles to develop a quick, simple and efficient detection method for melamine in dairy products

12-Apr-2010

University of Miami assistant professor in the College of Engineering, Na Li and her collaborators have developed a fast, economical and easy method to detect melamine in milk. Melamine is the compound found in contaminated pet food and in tainted dairy products from China in 2007 and 2008 ...

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The gold standard: Biodesign Institute researchers use nanoparticles to make 3-D DNA nanotubes

DNA nanotubes may soon find their way into a new generation of ultra-tiny electronic and biomedical innovations

07-Jan-2009

Arizona State University researchers Hao Yan and Yan Liu imagine and assemble intricate structures on a scale almost unfathomably small. Their medium is the double-helical DNA molecule, a versatile building material offering near limitless construction potential. In "Science", Yan and Liu, ...

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Thermo Fisher Scientific Acquires NanoDrop Technologies

15-Oct-2007

Thermo Fisher Scientific Inc. announced it has acquired NanoDrop Technologies, LLC, manufacturer of micro-volume ultraviolet visible (UV-Vis) instrumentation. The acquisition shall strengthen Thermo Fisher's portfolio of UV-Vis spectrophotometry instruments for applications involving small sample ...

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Sigma-Aldrich Fine Chemicals' Unique Technology Enables Commercial Scale Production of Ultra-Pure Inorganics

18-Jan-2001

Sigma-Aldrich Fine Chemicals, a division of Sigma-Aldrich Corporation (Nasdaq:SIAL), announced the availability of commercial quantities of a unique and broad range of high-purity inorganic materials. These items are manufactured using proprietary technologies by Aldrich-APL, LLC, (AAPL), a ...

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