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biosensing News
Gold nanoantenna enhances plasmonic sensing
BERKELEY, Calif. – The first reported experimental demonstration of antenna-enhanced gas sensing at the single-particle level holds great promise for plasmonic sensing. By placing a palladium nanoparticle on the focusing tip of a gold nanoantenna, researchers with...
Nanoantenna Enhances Plasmonic Sensing
BERKELEY, Calif., May 24, 2011 — An experimental demonstration of antenna-enhanced gas sensing at the single-particle level has been reported for the first time. By placing a palladium nanoparticle on the focusing tip of a gold nanoantenna, researchers with the US Department of...
Microscope Aids Study of Single Molecules
AMES, Iowa, Nov. 29, 2010 — By combining atomic force microscopy (AFM) and Förster resonance energy transfer (FRET) technologies, a researcher at Iowa State University has developed new approach toward single-molecule microscopy. Sanjeevi Sivasankar was looking for a...
Grant to Fund Single-Molecule Microscope
AMES, Iowa, Sept. 3, 2010 — An Iowa State University researcher received a state grant to develop an instrument that reveals single molecules. Sanjeevi Sivasankar, an assistant professor of physics and astronomy, demonstrates a microscope he's developing that can reveal...
Quantum Dots Are Finding Their Place in the World
Apr 12, 2010 — There has been a panoply of research into the next big thing in quantum dots – those semiconducting artificial atoms that are ubiquitous in fluorescence imaging, biological and chemical sensing, and display applications. Quantum dots of more...
Simpler, more cost-effective biosensing
GÖTEBORG, Sweden – There are two challenges facing optical label-free biosensing, especially for clinical applications, according to Alexandre Dmitriev of Chalmers University of Technology.< “The system should be able to work in physiological fluids –...
Nanocavity brings optical tweezing down to size
SHANGHAI, China – An international team of researchers is taking steps to bridge the gap between nanophotonics and nanomechanics by harnessing the induced near-field force within a nanocavity. Yuchuan Jian at Fudan University and at Duke University in Durham,...
Grading Structure Traps Light
BETHLEHEM, Pa., Feb. 18, 2009 – The ability to catch light – and then let it go – will lead to improvements in telecommunication networks and other optical applications, according to researchers at Lehigh University’s Center for Optical Technologies (COT). Light waves transmit...
Tiny Biosensor to Detect DNA
TEMPE, Ariz., March 26, 2008 -- A biosensing nanodevice powered by a tiny enzyme motor may one day eliminate long airport security lines and revolutionize health screenings for diseases such as anthrax and cancer and antibiotic-resistant Staph infections. Arizona State...
East Meets West at PICALO
BEIJING, March 18, 2008 -- Opportunities for laser business in China and the impact of globalization on the laser industry will be two topics of discussion during PICALO 2008, a biennial event focused on new developments in lasers and applications in the Pacific region that...
East Meets West at PICALO 2008
BEIJING, March 18, 2008 -- Opportunities for laser business in China and the impact of globalization on the laser industry will be two topics of discussion during PICALO 2008, a biennial event focused on new developments in lasers and applications in the Pacific region that...
Light Deactivates Anthrax
TROY, N.Y., Dec. 10, 2007 -- A new technique targets specific proteins, such as the dangerous anthrax toxin, and renders them harmless using nothing but light. The method could also be used to create new cancer treatments and antibacterial coatings. Scientists have long...
Molly Stevens Awarded Science Medal
Aug 10, 2007 — Molly Stevens, PhD, a reader in regenerative medicine and nanotechnology with the materials department at Imperial College London, was awarded the 2006 Conference Science Medal by the Royal Pharmaceutical Society of Great Britain. Stevens, the...
Nanomedical Advances Sought
WEST LAFAYETTE, Ind., & SEOUL, South Korea, July 10, 2007 -- A new nine-year collaboration between scientists in the US and South Korea will combine new imaging, biosensing and nanomedical techniques in an effort to advance medical diagnosis and treatment to the molecular level. Research teams from Purdue...
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April 2024
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