The physiological processes associated with an acute psychological stress response produce changes in human breath and sweat that dogs can detect with an accuracy of 93.75%, according to a new study published this week in ...
Plants & Animals
Sep 28, 2022
0
1256
Sensitive animal noses can sniff out trace particles, such as volatile organic compounds, in the ambient air. Humans, on the other hand, are developing innovative technologies for this purpose, such as optical spectroscopy. ...
Optics & Photonics
Aug 24, 2022
0
405
The breathing problems began when Ulises Flores was 13 years old.
Environment
Mar 23, 2022
0
5
Engineers at UC Berkeley have developed a new technique for making wearable sensors that enables medical researchers to prototype test new designs much faster and at a far lower cost than existing methods.
Nanomaterials
Feb 15, 2022
0
88
Since May 2021, drivers crossing into Singapore at the Tuas Checkpoint have been required to breathe into a cigar-sized mouthpiece connected to a mass spectrometer. In less than a minute, the device analyzes the breath samples ...
Analytical Chemistry
Sep 29, 2021
0
23
No one wants bad breath—not when visiting friends and family, at a job interview, and especially not on a first date. Smelly breath can make things awkward, but it also is a natural warning sign, indicating that serious ...
Bio & Medicine
Jul 21, 2021
0
250
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
With research increasingly showing the COVID-19 virus is transmissible via smaller droplets suspended in air, there is a growing concern current public health guidelines of mask wearing and social distancing are insufficient ...
Soft Matter
Apr 6, 2021
2
262
A plume of Sahara dust that has blanketed parts of southern and central Europe in recent days caused a short, sharp spike in air pollution across the region, researchers said Tuesday.
Environment
Feb 9, 2021
0
1
