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Monday, January 7, 2013 | Presented by Jim Misewich | 12:57
Joint Workshop on Nanoscience and Nanotechnology Opportunities for Academia and High Tech Industry.
Video Tags: CFN, energy, nanotechnology, workshops & colloquia
Showing: nanotechnology | Show All
In the 474th Brookhaven Lecture Oleg Gang discusses how Brookhaven scientists have devised a way of using strands of synthetic DNA attached to the surface of nanoparticles to instruct them to self-assemble into nanoscale structures, clusters, and three-dimensional organizations.
A novel multimodal optical nanoprobe is incorporated into a transmission electron microscope (TEM) sample holder. The nanoprobe allows scientists to perform all the usual experiments done in a TEM in addition to those involving optical excitation and measurement of the sample, electrical measurements on the sample, scanning tunneling microscopy (STM), and combinations of these measurements. Of particular utility is the ability to simultaneously measure optical and electrical properties of the sample at the nanoscale.
Building on the idea of using DNA to link up nanoparticles scientists at Brookhaven National Lab have designed a molecular assembly line for high-precision nano-construction. Nanofabrication is essential for exploiting the unique properties of nanoparticles in applications such as biological sensors and devices for converting sunlight to electricity.
