With each breath, humans exhale more than 1,000 distinct molecules, producing a unique chemical fingerprint or "breathprint" rich with clues about what's going on inside the body.
Analytical Chemistry
May 10, 2023
0
126
Emitted as gases from certain solids or liquids, volatile organic compounds (VOCs) include a variety of chemicals. Many of these chemicals are associated with a range of adverse human health effects, from eye, nose, and throat ...
Analytical Chemistry
Jul 6, 2021
0
9
The World Health Organization and the Centers for Disease Control recommend keeping a certain distance between people to prevent the spread of COVID-19. These social distancing recommendations are estimated from a variety ...
Soft Matter
Jun 9, 2021
78
41
A new understanding of nanomaterials, sensor design and fabrication approaches could help advance stretchable, wearable gas sensors that monitor gaseous biomarkers in humans and toxic gas in an exposed environment, according ...
Analytical Chemistry
Nov 6, 2020
0
30
Testing for drug use and disease in humans could soon be much simpler, thanks to new Swedish research.
Analytical Chemistry
Dec 7, 2017
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73
(Phys.org) —A group of researchers from Sweden have provided further evidence that illegal drugs can be detected in the breath, opening up the possibility of a roadside breathalyzer test to detect substances such as cocaine, ...
Analytical Chemistry
Apr 25, 2013
1
0
The metabolism of lung cancer patients is different than the metabolism of healthy people. And so the molecules that make up cancer patients' exhaled breath are different too. A new device pioneered at the University of Colorado ...
Bio & Medicine
Nov 17, 2011
0
0
Hydrogen cyanide (HCN) featured with high volatility and high adsorption is a common toxic and hazardous gas. Traces of HCN are also found in human exhaled breath. Unusual high HCN concentration in the breath of cystic fibrosis ...
Analytical Chemistry
Apr 28, 2023
1
15
Few people who have undergone nasopharyngeal swabs for coronavirus testing would describe it as a pleasant experience. The procedure involves sticking a long swab up the nose to collect a sample from the back of the nose ...
Bio & Medicine
Aug 19, 2020
0
37
Symptoms of Parkinson's disease include tremor, loss of smell and neuropsychiatric problems. However, many people aren't diagnosed until their disease is well-advanced, which could limit their treatment options. Now, researchers ...
Analytical Chemistry
Jul 25, 2018
0
7
