Tumor-Tagging Nanoparticles, Temporal Cloaks, And Bio-Inspired
Frontiers in Optics 2011 highlights recent advances in optical science and laser
Scientists and engineers around the world will gather in the heart of Silicon Valley next week to discuss some of the latest advances in lasers and optics and their applications to cutting-edge science, the development of new materials, and medicine.
Journalists are invited to Frontiers in Optics ( FiO ) 2011/Laser Science XXVII—the 95th annual meeting of the Optical Society ( OSA ), which is being held together with the annual meeting of the American Physical Society (APS) Division of Laser Science at the Fairmont San Jose Hotel in San Jose, Calif. Oct 16-20. Registration details are below.
Many of the presentations at the meeting focus on the most cutting-edge discoveries in applied optics and fundamental physics. Some highlights, described below, include: Tagging Tumors with Gold: Scientists Use Gold Nanorods to Flag Brain Tumors Erasing History? Temporal Cloaks Adjust Light's Throttle to Hide an Event in Time Borrowing from Brightly-colored Birds: Physicists Develop Lasers Inspired by Nature
Additional meeting and research highlights, including research on transforming an iPhone into a high-quality medical imaging device, can be found online in the FiO Media Center .
1. Tagging Tumors with Gold: Scientists Use Gold Nanorods to Flag Brain Tumors
"It's not brain surgery" is a phrase often uttered to dismiss a job's difficulty, but when the task actually is removing a brain tumor, even the slightest mistake could have serious health consequences. To help surgeons in such high-pressure situations, researchers from Prof. Adam Wax's team at Duke University's Fitzpatrick Institute for Photonics and Biomedical Engineering Department have proposed a way to harness the unique optical properties of gold nanoparticles to clearly distinguish a brain tumor from the healthy, and vital, tissue that surrounds it. The team will present their research next week at OSA's Frontiers in Optics 2011 meeting.
Nano Patterns In Silicon - News
The researchers, who will present their work next week at Frontiers in Optics 2011, also built a network laser using a series of interconnecting nano-channels, based on their observations of feathers whose beta-keratin takes the form of interconnecting
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Reporting their findings in a recent edition of Nano Letters ("Neon Ion Beam Lithography (NIBL)") this work, first-authored by Winston, demonstrates a new source for lithography that has both higher per-particle exposure efficiency and a higher
To use electron or ion beams to create nano-patterns the three methods that are typically used include ion beam milling, beam induced chemistry (deposition and etch), and beam induced lithography. Beam induced lithography is most commonly used for
“Although we have demonstrated the process for creating silicon nanopillars, it is very versatile and can be readily extended to achieve nanopatterns of most other materials, for example, metals, semiconductors and polymers through appropriate
Patterning nanopillars onto a silicon surface
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Nano Patterns In Silicon - Bookshelf
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