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gold nanoparticles News
Gold Nanoparticles Advance Bioluminescence
TAINAN, Taiwan, Nov. 8, 2010 — Gold nanoparticles can induce luminescence in leaves, which could lead to more environmentally sound LEDs, researchers in Taiwan report.
Diagnostic Nanoparticle Tools Target Cancer
ATLANTA, Nov. 3, 2010 — Using two grants from the National Cancer Institute’s Cancer Nanotechnology Platform Partnerships (CNPP) program totaling $4.7 million, researchers are targeting head, neck and pancreatic cancer with diagnostic and therapeutic nanoparticle...
Plasmonic Nanobubbles Kill Cancer Cells
HOUSTON, Oct. 7, 2010 — Plasmonic Nanobubbles Kill Cancer Cells HOUSTON, Oct. 6, 2010 — Rice Plasmonic nanobubbles, generated around gold nanoparticles with a laser pulse, can detect and destroy cancer cells in vivo by creating tiny, shiny vapor bubbles that reveal...
A notch above for single nanoparticle detection
NEW YORK – Working in the field of single nanoparticle detection, researchers have demonstrated strong optical coupling between an on-chip notched microring resonator and a nanoparticle in the notch. “Recently, it was found that the electromagnetic modes...
Building with optical Legos
HOUSTON – Just as generations of children have enjoyed stacking and building with plastic Lego toys, scientists are now using light-activated nanoshells as Lego-like building blocks for both 2- and 3-D structures that could be used in chemical sensors,...
Nanoparticles Intensify QDs’ Glow
UPTON, N.Y., July 27, 2010 — By linking individual semiconductor quantum dots with gold nanoparticles, scientists at Brookhaven National Laboratory have demonstrated the ability to enhance the intensity of light emitted by individual quantum dots by up to 20 times. According to...
Pollution-Controlling Gold Nanoparticles
ARGONNE, Ill., June 16, 2010 — Using silver chloride nanowires decorated with gold nanoparticles, a scientist at the US Department of Energy’s (DoE) Argonne National Laboratory has created visible-light catalysis that may decompose organic molecules in polluted water. ...
Photothermal imaging detects nanorod orientation
HOUSTON – “Fluorescence vector probes and polarization-sensitive single-molecule spectroscopies have been widely used to explore the conformation dynamics of proteins in biological systems – and an ideal probe should yield high signal with low...
Nanobubbles ‘Jackhammer’ Cancer
HOUSTON, Texas, Feb. 5, 2010 – Using lasers and nanoparticles, scientists at Rice University discovered a new technique for singling out individual diseased cells and destroying them with tiny explosions. The scientists used lasers to make ‘nanobubbles’ by zapping gold...
'Drops' of Gold Burn Tumors
BARCELONA, Spain, July 21, 2009 – French researcher Romain Quidant proposes applying laser light to gold nanoparticles inserted into tumor cells, heating the particles to such a degree that the damaged cells would be completely burnt.
3-D DNA Nanotubes
PHOENIX, Jan. 2, 2009 – Researchers at Arizona State University (ASU) have revealed, for the first time, three-dimensional characters of DNA nanotubes, rings and spirals, each a few hundred thousandths the diameter of a human hair. According to Hao Yan and Yan Liu,...
Gold Nanoparticles Go Green
COLUMBIA, Mo., Sept. 29, 2008 – Until recently, creating gold nanoparticles has produced synthetic chemicals that have a negative impact on the environment. However, according to scientists at the University of Missouri – Columbia, they have discovered a method that not only...
Gold Nanoparticles Fight HIV
RALEIGH, NC, May 27, 2008 – Researchers at North Carolina State University have discovered that gold nanoparticles are helping a once-failed drug to safely stop HIV from invading the body’s immune system. The original drug, a compound known as TAK-779, was designed in the...
NIST Selects BBI Nanoparticles
Jan 3, 2008 — The National Institute of Standards and Technology (NIST) has selected gold nanoparticles made by BBInternational (BBI), based in England, as the source of reference materials for preclinical biomedical research. The US agency will use colloidal...
DNA Controls Nanoparticles
UPTON, N.Y., Aug. 23, 2007 -- DNA, the molecule that carries life’s blueprint, is being used to control the size of nanoparticles and the speed at which they form. Learning how to tailor their assembly could lead to the creation of nanoparticles for more efficient energy...
Particles Paired to Proteins
UPTON, N.Y., June 28, 2007 -- Gold nanoparticles have been strategically attached to proteins to form sheets of protein-gold arrays. The nanoparticles and methods to create nanoparticle-protein complexes can be used to help decipher protein structures, to identify functional...
Gold Nanoparticle Probes Display Efficient Photoluminescence
Jun 1, 2005 — Investigators at Boston College in Chestnut Hill, Mass., suggest that gold nanoparticles are attractive substitutes for fluorophores or semiconductor nanoparticles as labels in the imaging of microscopic biological structures. In a study published...
Photonics Research Topic at Biomed
Apr 20, 2004 — MIAMI BEACH, Fla., Apirl 20 -- Photonic technology has the potential to dramatically improve the prevention, detection and therapy of epithelial cancers, according to presenters at The Biomedical Optics meeting, or Biomed 2004, held last week in...
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