News tagged with colorimetric method
Measuring nitrate concentrations in leafy green vegetables
Leafy green vegetables such as lettuce, Asian greens, and spinach can accumulate high concentrations of nitrate-nitrogen (NO3-N), which are potentially harmful if consumed by humans. To measure NO3-N concentration in plant ...
Sep 08, 2009 |
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Search results for colorimetric method
Forensic research extends detection of cyanide poisoning
Researchers have found a new biomarker for cyanide poisoning, which may extend its detection window in death investigations by weeks if not months.
Chemistry / Analytical Chemistry
Feb 01, 2012 |
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Understanding methods of assessing botulinum neurotoxin exposure
Popular in cosmetic medicine for making tiny frown wrinkles go away, botulinum neurotoxin (BoNT) is, perhaps, more notorious for historic outbreaks of respiratory paralysis and death. Traditionally, medical responders have ...
Chemistry / Analytical Chemistry
Apr 05, 2011 |
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Hershey scientists improve methods for analysis of healthful cocoa compounds
Two scientific publications report on improved methods for determining the amounts of flavanol antioxidants in cocoa and chocolate. The research, sponsored by The Hershey Center for Health and Nutrition, was a collaboration ...
Chemistry / Analytical Chemistry
Feb 14, 2011 |
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Rapid, low-cost test for multi-drug resistant TB gains WHO endorsement
A rapid, low cost test for diagnosing tuberculosis (TB) – including multi-drug resistance – has been endorsed by the World Health Organisation (WHO) for use in resource-poor settings.
Medicine & Health / Diseases, Conditions, Syndromes
Nov 12, 2010 |
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Sniffing out shoe bombs: A new and simple sensor for explosive chemicals
University of Illinois chemists have developed a simple sensor to detect an explosive used in shoe bombs. It could lead to inexpensive, easy-to-use devices for luggage and passenger screening at airports and elsewhere.
Chemistry / Analytical Chemistry
Oct 19, 2010 |
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Colorful Warning: Selective, sensitive CO detection with a rhodium complex
(PhysOrg.com) -- Carbon monoxide is an insidious poison: it is colorless, odorless, and toxic at low concentrations. It is usually produced by combustion engines or incomplete combustion in gas furnaces or ...
Chemistry / Analytical Chemistry
Jul 06, 2010 |
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'Smart' wound dressings could identify and destroy infection-causing bacteria
(PhysOrg.com) -- Although bacterial infection as a clinical problem was reportedly defeated with the widespread use of antibiotics in the 1950s, its re-emergence over the last few decades has persuaded researchers ...
May 06, 2010 |
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Fast, easy, and highly sensitive arsenic detection with gold nanoparticles
(PhysOrg.com) -- Mention of arsenic poisoning usually brings to mind underhanded murder. However, the danger of arsenic poisoning from contaminated drinking water is far greater. Low concentrations of arsenic are found in ...
Nanotechnology / Nanomaterials
Nov 25, 2009 |
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Powerful pumpkins, super squash
Carotenoids, the family of yellow to red pigments responsible for the striking orange hues of pumpkins and the familiar red color of vine-ripe tomatoes, play an important role in human health by acting as ...
Nov 04, 2009 |
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Dynamical theory and novel 4-D colorimetric method reveal modus operandi of intact living brain
For the brain to achieve its intricate functions such as perception, action, attention and decision making, neural regions have to work together yet still retain their specialized roles. Excess or lack of ...
Medicine & Health / Medical research
Jan 21, 2009 |
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List of search results for colorimetric method
