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biological sensors News
Nanoplasmonics Drives Technique for Next-Gen Lenses
SAN DIEGO, June 14, 2012 — A new technique that enables metallic cube-shaped nanocrystals to spontaneously self-assemble into larger, complex materials could pave the way for the next generation of antennas and lenses.
Stamping technique enables cheaper nanodevices
NASHVILLE, Tenn. – A simple technique for stamping patterns invisible to the human eye onto a special class of nanomaterials provides a new, cost-effective way to produce novel devices for a wide range of applications, including drug delivery, chemical and biological...
Hydrogels Form Precise Sensor
WEST LAFAYETTE, Ind., March 1, 2011 — Researchers are developing a new type of biological and chemical sensor that has few moving parts, is low-cost and yet highly sensitive, sturdy and long-lasting. The "diffraction-based" sensors are made of thin stripes of a gelatinous material...
Birth and Growth of Nanocrystals Observed
ARGONNE, Ill., Oct. 22, 2010 — For the first time scientists have been able to watch nanoparticles grow from the earliest stages of their formation. Nanoparticles’ performance depends on their structure, composition and size, which is why researchers aim to develop ways to...
’Nanosprings’ Improve Biosensors, Electronics
CORVALLIS, Ore., Oct. 12, 2010 — ’Nanosprings’ Improve Biosensors and Electronics CORVALLIS, Ore., Oct. 12, 2010 — Researchers at Oregon State University have reported the successful loading of biological molecules onto "nanosprings" – a type of...
Shrinky Dinks Heat Up Nanopatterning
EVANSTON, Ill., Aug. 17, 2010 — Nanoscientists are using flexible plastic sheets modeled after the popular shrinkable plastic toy Shrinky Dinks as the backbone of a new, inexpensive way to create, test and mass-produce large-area patterns at the nanoscale.
Fibers That Detect, Produce Sound
CAMBRIDGE, Mass., July 15, 2010 — For centuries, "man-made fibers" meant the raw stuff of clothes and ropes; in the information age, it’s come to mean the filaments of glass that carry data in communications networks. But to Yoel Fink, an associate professor of materials...
Creating nanostructures with shadows
BERKELEY, Calif. – From out of the shadows, researchers at the University of California, Berkeley, have built nanostructures that might lead to more efficient solar power. Another potential applicati...
Linear Nanowires Kinked
CAMBRIDGE, Mass., Oct. 22, 2009 – Taking nanomaterials to a new level of structural complexity, Harvard University scientists determined how to introduce kinks into arrow-straight nanowires, transforming them into zigzagging 2- and 3-D structures with correspondingly advanced...
At the Bottom of the Sea
Jun 1, 2007 — As Samuel Taylor Coleridge’s Ancient Mariner noted, there is water everywhere in the ocean, but none is fit to drink. The simple answer that the water is too salty is not informative enough for oceanographers. They want to know exactly what is in...
Mid-IR LEDs Suggest Scene-Generation Applications
Sep 1, 2005 — Scientists at the US Army Research Laboratory in Adelphi, working with Maxion Technology of Hyattsville, both in Maryland, have reported wall-plug efficiencies of up to 2.8 percent from 3.8-µm interband cascade LEDs at 77 K. The emitters have...
Carbon Nanotubes Yield New Class of Sensors
Dec 17, 2004 — ARLINGTON, Va., Dec. 17 -- Nanotechnology researchers at the University of Illinois in Urbana-Champaign have demonstrated a tiny, implantable detector that could one day allow diabetics to monitor their glucose levels continuously -- without ever...
Nanofiber 'Flash Welding' Investigated
Dec 1, 2004 — Scientists at the University of California, Los Angeles, report in the November issue of Nature Materials that exposing polymer nanofibers to a camera flash enables the fabrication of patterned films as well as of novel composite materials. The...
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April 2024
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