When cities transform into a colorful world of lights as darkness falls, it's often only possible to estimate their contours, which depending on the perspective can draw the attention to key details or trivia. In fluorescence ...
Optics & Photonics
Apr 13, 2022
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766
Fluorescence microscopes use technology that enables them to accomplish tasks not easy to achieve with normal light microscopes, including imaging DNA molecules to detect and diagnose cancer, nervous system disorders such ...
Bio & Medicine
Dec 16, 2014
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0
(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a breeze passes by, ...
Plasma Physics
Feb 6, 2012
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0
The Polish-Israeli team from the Faculty of Physics of the University of Warsaw and the Weizmann Institute of Science has made another significant achievement in fluorescent microscopy. In the pages of the Optica journal ...
Optics & Photonics
Oct 19, 2020
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71
(PhysOrg.com) -- Researchers in Sweden have been liquidizing thousands of specimens of a common North American jellyfish to extract a protein that could be used in microscopic fuel cells.
Using folded DNA to precisely place glowing molecules within microscopic light resonators, researchers at Caltech have created one of the world's smallest reproductions of Vincent van Gogh's The Starry Night. The reproduction ...
Bio & Medicine
Jul 12, 2016
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48
Most viral test kits rely on labor- and time-intensive laboratory preparation and analysis techniques; for example, tests for the novel coronavirus can take days to detect the virus from nasal swabs. Now, researchers have ...
Analytical Chemistry
Apr 23, 2020
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1467
Light microscopy is the only way in which we can look inside a living cell, or living tissues, in three dimensions. An electron microscope only gives a two-dimensional view, and the organic sample would quickly burn up due ...
Analytical Chemistry
Aug 8, 2019
0
210
While fluorescence imaging (in which external light is used to excite a specimen that then emits light in response) is essential in cell biology, it has a number of significant drawbacks, including autofluorescence, phototoxicity ...
Scientists can now watch dynamic biological processes with unprecedented clarity in living cells using new imaging techniques developed by researchers at the Howard Hughes Medical Institute's Janelia Research Campus. The ...
General Physics
Aug 27, 2015
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