(Phys.org)—A widely-used tool for studying cellular structure – indeed, a technique in use throughout biology – phase contrast microscopy converts optical phase shifts to changes in brightness. At the same time, several ...
Before modern medical lab techniques became available, doctors diagnosed some diseases by smelling a patient's breath. Scientists have been working for years to develop analytical instruments that can mimic this sniff-and-diagnose ...
Bio & Medicine
Dec 21, 2016
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375
(Phys.org)—NASA's Mars rover Curiosity has relayed new images that confirm it has successfully obtained the first sample ever collected from the interior of a rock on another planet. No rover has ever drilled into a rock ...
Space Exploration
Feb 20, 2013
32
0
(Phys.org)—NASA's Mars Curiosity rover has used its full array of instruments to analyze Martian soil for the first time, and found a complex chemistry within the Martian soil. Water and sulfur and chlorine-containing substances, ...
Space Exploration
Dec 3, 2012
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0
(Phys.org)—Commands will be sent to Curiosity today instructing the rover to collect a third scoop of soil from the "Rocknest" site of windblown Martian sand and dust. Pending evaluation of this Sol 69 (Oct. 15, 2012) scooping, ...
Space Exploration
Oct 15, 2012
5
0
(Phys.org)—The team operating Curiosity decided on Oct. 9, 2012, to proceed with using the rover's first scoop of Martian material. Plans for Sol 64 (Oct. 10) call for shifting the scoopful of sand and dust into the mechanism ...
Space Exploration
Oct 11, 2012
1
0
(Phys.org)—NASA's Curiosity rover is in a position on Mars where scientists and engineers can begin preparing the rover to take its first scoop of soil for analysis.
Space Exploration
Oct 4, 2012
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1
(PhysOrg.com) -- Purdue University researchers recently took their miniature mass spectrometer grocery shopping to test for traces of chemicals on standard and organic produce.
Analytical Chemistry
Jun 9, 2011
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0
"Many of the greatest challenges of our time, from clean energy to environmental justice, require new approaches to the craft of scientific experimentation. This is exceedingly apparent in the field of electron microscopy. ...
General Physics
Jul 30, 2021
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108
As analytical instrumentation (gas- and liquid-chromatographs coupled with mass spectrometers) increase in sensitivity and speed, forensic scientists may find themselves still hindered by the process of preparing samples ...
Analytical Chemistry
Jul 8, 2021
0
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