News tagged with silica

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Anti-counterfeit polymers work like fingerprints

(Phys.org)—When it comes to tagging items to prove their authenticity, the goal is to stay ahead of counterfeit technology. The best tags are unique, complex, easy to read, and difficult to reproduce. ...

Feb 16, 2015 report
4.4 / 5 (15) 0

Data-storage for eternity

Scrolls thousands of years old provide us with a glimpse into long-forgotten cultures and the knowledge of our ancestors. In this digital era, in contrast, a large part of our knowledge is located on servers ...

Feb 12, 2015
4.7 / 5 (3) 0

Coating noble metal nanoparticles with silica

A straightforward and effective process for coating silver, gold and platinum nanoparticles with functionalized silica shells at room temperature has been developed by A*STAR . Crucially, unlike conventional ...

Feb 04, 2015
1 / 5 (1) 1

Using nanotechnology to protect grain exports

(Phys.org) —University of Adelaide researchers are using nanotechnology and the fossils of single-celled algae to develop a novel chemical-free and resistance-free way of protecting stored grain from insects.

Feb 05, 2014
1 / 5 (1) 0