Silver has been used for centuries as an antimicrobial to kill harmful bacteria. Ancient civilizations applied the metal to open wounds. Ship captains tossed silver coins into storage barrels to keep drinking water fresh.
Cell & Microbiology
Oct 3, 2018
0
17
If drugs are to enter the body painlessly and efficiently, they can be administered via skin patches. Researchers at Empa and the University of Fribourg are currently developing nano-containers for therapeutic agents that ...
Bio & Medicine
Sep 19, 2018
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28
Engineers at the University of Maryland have created a thin battery, made of a few million carefully constructed "microbatteries" in a square inch. Each microbattery is shaped like a very tall, round room, providing much ...
Materials Science
Sep 13, 2018
0
77
Researchers from the National Research Nuclear University MEPhI (Russia) are developing radio isotope beta-voltaic batteries with nickel-63 nano-cluster radio isotope films. The concept is to develop safe nuclear batteries ...
Nanomaterials
Sep 11, 2018
0
19
During seed-mediated growth, the Pd-Au nano-heterostructure can be either centrosymmetric Pd@Au core-shell trisoctahedra or asymmetric Pd-Au heterodimers. What causes the symmetry breaking of bimetal nano-heterostructures? ...
Nanomaterials
Sep 7, 2018
0
7
Scientists have found that sunscreen from bathers releases significant quantities of polluting TiO2 (titanium dioxide) into the sea. This has the potential to harm marine life. This work, which comes from research on beaches ...
Environment
Aug 17, 2018
1
52
The Nano4 project takes fast, reliable and low-cost molecular point of care (POC) diagnostic tools down to the nano-scale, offering better healthcare outcomes for patients.
Bio & Medicine
May 2, 2018
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14
Studies have shown that the wings of dragonflies and cicadas prevent bacterial growth due to their natural structure. The surfaces of their wings are covered in nanopillars making them look like a bed of nails. When bacteria ...
Nanomaterials
Mar 28, 2018
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32
Transistors, the building blocks of modern devices, act like electronic switches controlling the flow of current across circuits. In the last few decades, they have shrunk more than 1000 times in size, making devices such ...
General Physics
Dec 21, 2017
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34
Computer tomography (CT) is a standard procedure in hospitals, but so far, the technology has not been suitable for imaging extremely small objects. In PNAS, a team from the Technical University of Munich (TUM) describes ...
Optics & Photonics
Nov 7, 2017
0
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