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Bio-enabled, surface-mediated approach produces nanoparticle composites


Using thin films of silk as templates, researchers have incorporated inorganic nanoparticles that join with the silk to form strong and flexible composite structures that have unusual optical and mechanical properties. This bio-enabled, surface-mediated formation approach mimics the growth and ...


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Single molecules as electric conductors


Minimum size, maximum efficiency: The use of molecules as elements in electronic circuits shows great potential. One of the central challenges up until now has been that most molecules only start to conduct once a large voltage has been applied. An international research team with participation ...


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Researchers develop flow sensors based on hair structures of blind cavefish


A blind fish that has evolved a unique technique for sensing motion may inspire a new generation of sensors that perform better than current active sonar. Although members of the fish species Astyanax fasciatus cannot see, they sense their environment and the movement of water around them with ...


'Strained' quantum dots show new optical properties


Quantum dots, tiny luminescent particles made of semiconductors, hold promise for detecting and treating cancer earlier. However, if doctors were to use them in humans, quantum dots could have limitations related to their size and possible toxicity. Scientists at Emory University and the Georgia ...


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New small-scale generator produces alternating current by stretching zinc oxide wires


Researchers have developed a new type of small-scale electric power generator able to produce alternating current through the cyclical stretching and releasing of zinc oxide wires encapsulated in a flexible plastic substrate with two ends bonded. The new "flexible charge pump" generator is the ...


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Study reveals principles behind stability and electronic properties of gold nanoclusters

International team confirms 'divide and protect' bonding structure


A report published in Proceedings of the National Academy of Sciences (PNAS) is the first to describe the principles behind the stability and electronic properties of tiny nanoclusters of metallic gold. The study, which confirms the "divide and protect" bonding structure, resulted from the work ...


Carbon Capture Strategy Could Lead to Emission-Free Cars


Researchers at the Georgia Institute of Technology have developed a strategy to capture, store and eventually recycle carbon from vehicles to prevent the pollutant from finding its way from a car tailpipe into the atmosphere. Georgia Tech researchers envision a zero emission car, and a ...


Telltale Swelling

Soft microlenses as biosensors: change in focal distance signals presence of analyte molecules


In the future, microscale gel lenses could play a role as biosensors for analysis and diagnostics. Researchers at the Georgia Institute of Technology have developed microlenses that react by changing their focal distance when a target substance is present. Gels consist of a three-dimensional ...


Lasers Key to Handheld Gas and Liquid Sensors

Ga Tech developing instant-response trace sensors


Current technology is too cumbersome for rapid detection and response. But new advances in liquid and gas phase chemical sensing being made at the Georgia Institute of Technology may lead to the development of palm-sized sensing tools that can provide the instant detection. Using small quantum ...


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