The community website for nanoscience and nanotechnology, from the American Chemical Society
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- January 2009
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- It's Back! New NanoTube Video Contest (entries due August 9th) 12:01pm Jul 17
- Winners of the "What is Nano?" Video Contest Announced 10:06am Mar 30|2 Comments
- 25 things about me! 8:48am Feb 19
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NanoVision Contest Winners (2008)Created about 10 months ago
ACS Nanotation Have a few seconds to take a stroll though the macro-to-nanoscale? This flyby uses easily–recognizable objects to provide perspective on just how small nano really is.
Source: bit.ly
The smallest objects that the unaided human eye can see are about 0.1 mm long. That means that under the right conditions, you might be able to see an ameoba proteus, a human egg, and a paramecium without using magnification....
ACS Nanotation Congratulations to Stanislaus Wong, winner of the 2009 Buck-Whitney Award from the American Chemical Society (ACS) Eastern New York Section. Check out his research on the chemistry of nanostuctures by reading some of his papers. http://tinyurl.com/sswong
ACS Nanotation
Congratulations to Nano Letters Co-Editor Paul Alivisatos on his appointment as the Director of the Lawrence Berkeley National Lab by the University of California Board of Regents. http://twitter.com/PaulAlivisatos/status
ACS Nanotation Holiday gifts, anyone? Or, a way to play with "nano" on your desk?
Source: bit.ly
Ah, carbon - how sweet you are. You are the basis of life on Earth, you let our pencils write, and you form the most fortuitous fullerenes.... Now, imagine replacing those hard-to-play-with atoms with rare-earth magnetic spheres.
ACS Nanotation Nanoparticles used in high–efficiency hydrogen production? We always love systems (e.g., specialized algae strains) that are well–tuned for a particular purpose.
Source: bit.ly
By isolating the photosynthesizing parts of a certain thermophilic blue-green algae and catalyzing it with light and platinum, researchers have produced clean, sustainable quantities of hydrogen that could one day power our cars and reduce America's dependency on foreign oil....
ACS Nanotation The latest JACS Image Challenge features a video of two nanocomposites combusting under a Bunsen burner: one with a carbon aerogel, one with the same carbon aerogel interlaced with a substoichiometric amount of CuO. One burns much faster – can you guess which?
Source: pubs.acs.org
Challenge #65: The movie below shows sustained combustion of a porous nanocomposite of CuO and of an organic polymer (resorcinol-formaldehyde: RF). What are the species involved in the reaction?
ACS Nanotation "Researchers [demonstrated that nanopatterened solar cells] absorb more light and, as a bonus, are self–cleaning." This is accomplished via nanocone–dimpled layers that impart some unique and helpful properties to the solar cell.
Source: bit.ly
...These nanodome structures not only repel water, but help trap light. Because they're so small–about 500 nanometers in diameter–the nanodomes interact with light in a cool way, absorbing 94 percent of all light from the infrared to the ultraviolet....
ACS Nanotation Lu et al. tackle an open question in molecular electronics: how are electrons transported in molecular wires? They show that new hybrid transport modes in medium-length OPE wires are important, and incorporate conducting AFM, break junction STM, and theoretical calculations to guide their analysis.
From Tunneling to Hopping: A Comprehensive Investigation of Charge Transport Mechanism... | ACS Nano
Source: bit.ly
The charge transport mechanism of oligo(p-phenylene ethynylene)s...was investigated... A new transitional zone was observed in the long length molecular wires compared to short ones...
ACS Nanotation Materials Today & Sigma-Aldrich are hosting a self-assembly webinar today: 9am (PDT), 12pm (EDT), 5pm (GMT).
Source: www.materialstoday.com
We are pleased to announce that Materials Today in partnership with Sigma-Aldrich, are staging a live educational webinar on: From Molecules to Monolayers:Self-Assembly and Analysis, Molecule by Molecule
ACS Nanotation Felice Frankel and George Whitesides just published a second book on intrinsic beauty at the nanoscale.
Source: www.hup.harvard.edu
A small revolution is remaking the world. The only problem is, we can’t see it. This book uses dazzling images and evocative descriptions to reveal the virtually invisible realities and possibilities of nanoscience....
ACS Nanotation The Project on Emerging Nanotechnologies just released an iPhone app that lists their complete nano-product database. Uploads welcome, too!
Source: bit.ly
...With findNano, it’s a piece of cake to search or browse through the 1000+ manufacturer-identified nanotechnology-enabled products in the inventory, directly from an iPhone or iPod Touch....
ACS Nanotation ...mmm...coffee.....used in nanoscience....wait, what? Layani et al. show that silver nanoparticles can be patterned in nano-sized "coffee rings" using inkjet printing to make transparent, conductive coatings. Neat!
Source: pubs.acs.org
We report here a concept for utilization of the “coffee ring effect” and inkjet printing to obtain transparent conductive patterns, which can replace the widely used transparent conductive oxides, such as ITO....
ACS Nanotation Does detailed, scientific information about nanotechnology and nanotechnological products help societal and individuals' acceptance of the same? Maybe, but maybe not. Satterfield and coworkers survey perceptions of risks vs. benefits in a thought–provoking Nature Nanotech. article.
Source: bit.ly
...The results of recent work indicate that these characteristics influence risk perceptions through affective and cognitive processes: certain characteristics endow individuals with positive or negative affect — a rapid and intuitive, even visceral response — which in turn shapes risk perceptions b...
ACS Nanotation Do you think a space elevator is possible? (Also, mention of 'nano' is curiously absent in the article itself, but appears in the comments.)
Source: bit.ly
...The first [challenge], scientists say, is that there's currently not a viable material strong enough to make the cables that will support heavy loads of passengers or cargo into orbit...
ACS Nanotation The first ASAP letters for The Journal of Physical Chemistry Letters have just been posted today, in advance of the first issue to be published Jan. 2010. Congrats! (We're happy to see that nanoparticles and nanowires are already well–represented.)
Source: bit.ly
All new letters from the Journal of Physical Chemistry A, B, and C will be combined into a single, all-electronic journal highlighting the most urgent research results in physical chemistry.
