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Low-Cost, Portable NQR Spectroscopy
A researcher at Case Western Reserve University is developing a low-cost, portable prototype designed to detect tainted medicines and food supplements that otherwise can make their way to consumers. The technology can authenticate good medicines and supplements.
Chemical Used to Replace BPA is Potentially Toxic
This study is the first to examine the effects of BPA and BPS on brain cells and genes that control the growth and function of organs involved in reproduction.
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Weight-loss Supplements Containing Raspberry Ketone May Be Harmful
New study by the researchers suggests that raspberry ketone may have several adverse effects.
Quantifying C. botulinum Spores
A study from the Institute of Food Research has provided new evidence on the background levels of spores of Clostridium botulinum in raw food ingredients that is helping the food industry deliver safe chilled foods more sustainably.
Single Molecule Detection of Contaminants, Explosives or Diseases
A technique that combines the ultrasensitivity of surface-enhanced Raman scattering (SERS) with a slippery surface invented by Penn State researchers will make it feasible to detect single molecules of a number of chemical and biological species from gaseous, liquid or solid samples.
Should I Throw Away Food Once a Fly Has Landed on it?
Flies can be a substantial annoyance and may also be a potential health risk.
New Year, Old Beer
A bottle of Alexander Keith’s beer has been keeping Dal Engineering prof Andrew MacIntosh busy at work this week.
Sensor Detects Toxins Leaching from Plastic
Engineers from Massey University have developed a highly sensitive device able to detect synthetic compounds that leach from plastic food packaging into the contained food or beverage.
New BPA Detection Tests
Scientists from the JRC developed fit-for-purpose analytical methods for the determination of bisphenol A and 12 similar substances (analogues) in food matrices to support possible future monitoring studies.
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ORAC Assay for the Determination of Antioxidant Capacity in Foods
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Reactive oxygen species (ROS) are generated as natural byproducts of the cellular metabolism. They are involved in various biological processes, functioning as important signal mediators. However, excess intracellular levels of ROS may result in cell and tissue damage, and are associated with degenerative diseases, most notably cancer. In healthy individuals, intracellular antioxidant systems maintain ROS levels below a critical threshold, permitting essential ROSmediated signaling processes to function, but preventing ROS overproduction and potential tissue damage. Cells that fail to compensate and neutralize heightened ROS levels die by apoptosis to avoid passing on ROS-caused DNA damage to daughter cells. Any dysfunctions in the cellular antioxidant systems can therefore have serious consequences. In addition to the cells’ own antioxidant systems, various studies have suggested a relationship between an antioxidant-rich diet and a good health status, implicating that the consumption of antioxidant-containing foods can help to maintain health and even prevent certain diseases.

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