A research team has observed, in polystyrene-based scintillation materials, photon amplification and emission that cannot be explained with the established scintillation mechanism. Photon yield from the polystyrene-based ...
General Physics
Jan 8, 2013
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1
Shape and alignment are everything. How nanometer-sized pieces fit together into a whole structure determines how well a living cell or an artificially fabricated device performs. A new method to help understand and predict ...
Bio & Medicine
Aug 8, 2011
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An advanced imaging technique reveals new structural details of S-DNA, ladder-like DNA that forms when the molecule experiences extreme tension. This work conducted at Sandia National Laboratories and Vrije University in ...
Analytical Chemistry
Oct 30, 2019
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318
Molecular probes that selectively latch onto tumor cells and emit imaging signals can detect cancer without invasive procedures. These tools, however, have specific deficiencies. Fluorescent probes that image individual molecules ...
Polymers
Jul 31, 2013
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A new study featuring data from the NASA Mars Perseverance rover reports on an instrumental detection potentially consistent with organic molecules on the Martian surface, hinting toward past habitability of the Red Planet. ...
Astrobiology
Jul 13, 2023
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174
Quantum dots (QDs) are tiny crystals of semiconducting material that produce fluorescence. The color or the wavelength of the fluorescence is dependent on the size, shape and composition of QDs. Larger QDs tend to emit light ...
Nanomaterials
Mar 1, 2012
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0
Researchers at Kanazawa University report in ACS Nano the development of a nanoparticle that acts as a heater and a thermometer. Inserting the nanoparticle in living cells results in a heat spot that, by switching it on and ...
Bio & Medicine
Aug 10, 2022
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43
A research team from the National Institute for Materials Science has developed a full-colour tunable luminescent liquid material with excellent photostability based on anthracene, which is a general organic fluorescent dye.
Nanomaterials
Jun 24, 2013
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0
Enhancing and manipulating the light emission of organic molecules is at heart of many important technological and scientific advances, including in the fields of organic light emitting devices, bio-imaging, bio-molecular ...
Optics & Photonics
Aug 6, 2013
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One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...
Bio & Medicine
Jul 23, 2009
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