(Phys.org) —If you're in the business of cracking codes, it would be pretty difficult to break into a security system that you don't even know is there. That's one of the advantages of molecular keypad locks, whose small ...
Raman spectroscopy has enabled incredible advances in numerous scientific fields and is a powerful tool for tissue classification and disease recognition, although there have been considerable challenges to using the method ...
Bio & Medicine
Feb 19, 2013
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Scientists at JILA and collaborators have demonstrated an improved laser-based "molecular fingerprinting" technique that picks out traces of key hydrogen-containing and other molecules from a billion other particles in a ...
Optics & Photonics
Oct 14, 2010
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Imagine a polka-dotted postage stamp-sized sensor that can sniff out some known poisonous gases and toxins and show the results simply by changing colors.
Biochemistry
Sep 13, 2009
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Forensic dramas on TV make it seem easy to determine when fingerprints were left at the scene of a crime. In reality, the oils in fingerprints degrade over time, and it's difficult to figure out their age. Now, researchers ...
Analytical Chemistry
Sep 21, 2022
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A group of researchers has discovered a new approach to cereal plant breeding that takes into account the internal 'calculator' of plant seeds that makes them continuously reorganize themselves (global coherence). The approach ...
Plants & Animals
Apr 27, 2021
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An LMU team has improved both the sensitivity and efficiency of a popular method for single-cell RNA sequencing, which yields a molecular fingerprint for individual cells based on their patterns of gene activity.
Cell & Microbiology
Aug 1, 2018
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Swiss researchers could show that exhaled human breath contains a characteristic molecular "fingerprint". The scientists want to use this finding to diagnose diseases based on the chemical analysis of patient's exhaled breath, ...
Analytical Chemistry
Apr 3, 2013
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You pick up a bottle of pomegranate juice at the store because you've learned that, although it costs more than most juices, it is replete with antioxidants that bring health benefits. But wait: Is the juice you've purchased ...
Other
Nov 29, 2010
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(PhysOrg.com) -- Misidentifying boll weevils caught in pheromone traps could be easier to avoid, thanks to a new DNA fingerprinting method devised by Agricultural Research Service (ARS) scientists and their collaborators.
Ecology
Sep 10, 2009
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