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Nanospheres in Medical News

Gold Nanospheres Show Promise in 'Boiling' Out Cancer

Smaller than dust flecks, new therapy 'cooks' bad cells while leaving healthy ones alone MONDAY, March 23 (HealthDay News) -- Researchers say that using microscopic gold particles that target melanoma cells and then "boil" them when exposed to certain lighting holds promise as a new t...

Hollow gold nanospheres show promise for biomedical and other applications

SALT LAKE CITY, UT--A new metal nanostructure developed by researchers at the University of California, Santa Cruz, has already shown promise in cancer therapy studies and could be used for chemical and biological sensors and other applications as well. The hollow gold nanospheres developed in...

Targeted nanospheres find, penetrate, then fuel burning of melanoma

HOUSTON - Hollow gold nanospheres equipped with a targeting peptide find melanoma cells, penetrate them deeply, and then cook the tumor when bathed with near-infrared light, a research team led by scientists at The University of Texas M. D. Anderson Cancer Center reported in the Feb. 1 issue of C...

Nanotechnology Transforms Pain Relief

...osphere within the IcePearls(TM) system has a designated release time. Some nanospheres are activated right away, releasing the cooling complex as soon as MyOmega(R) is applied. Other nanospheres are encapsulated within microspheres, which have barriers of varying thickn...

Carestream Molecular Imaging Releases Western Blot Kits For Added Convenience, Better Performance

... the signal obtained was immediate, more stable and brighter -- with less background noise." KODAK X-SIGHT Western Kits are built on X-SIGHT nanospheres , which are available in four distinct wavelengths including three in the near-IR range. The kits are offered in several different wavelength combinat...

Gold Nanoparticles: Agents For Noninvasive Cancer Therapy

...ornia, San Francisco and Georgia Institute of Technology, writing Cancer Letters // (Available online 28 September) demonstrate the efficiency of gold nanospheres as photothermal agent by selectively delivering gold nanoparticles to oral carcinoma cells that overexpress EGFR, a clinically related cancer biomarke...
Nanospheres in Biological News

Gold nanostars outshine the competition

...f crystal violet, delivering a signal about 10 times stronger than the previous winner, nanorods. Both the nanostars and the nanorods outperformed the nanospheres commonly used for Raman enhancement. NIST physicist Angela Hight Walker and her team perfected the process for making gold nanostars, building them...

New technique sees into tissue at greater depth, resolution

.... For their experiments, the Duke team attached nanospheres of gold to a targeting molecule known as a monoclo...tortion in the way light is reflected off the gold nanospheres in a characteristic way," Skala explained. "As we ...damage or death to the targeted cells, while metal nanospheres are relatively safer." "Also, given the wide ra...

Killer pulses help characterize special surfaces

...d Seong demonstrated their technique by measuring the distribution of local enhancements for benzenethiolate molecules on a substrate of silver-coated nanospheres 330 nanometers in diameter. To characterize the surface, the researchers first measured the initial Raman intensity. Then they put in a weak killer ...

UC Davis researchers use heated nanoprobes to destroy breast cancer cells in mice

...experimental system uses bioprobes created by wedding magnetized iron-oxide nanospheres to radiolabeled monoclonal antibodies. The bioprobes are cloaked in polymer...ied an alternating magnetic field to the tumor region, causing the magnetic nanospheres latched onto the tumor cells to change polarity thousands of times per seco...

Finding a better way to make biodiesel

... They're only 250 billionths of a meter in diameter. But fill them with the right chemistry and Iowa State scientists say the tiny nanospheres they've developed could revolutionize how biodiesel is produced. The researchers are after a new, high-tech catalyst that takes some of the energy, ...

Cellular scale drug delivery from the inside out

...ory. Using tiny silica particles call mesoporous nanospheres to carry drugs inside living cells, Ames Laborator...livers its pharmaceutical payload. "First, the nanospheres are only about 200 nanometers in diameter, roughly...ed by the cells." But it's the structure of the nanospheres that makes drug delivery possible. The spheres hav...

'Nanospheres' that block pain of sensitive teeth

... nanospheres could help dentists fill the tiny holes in our tee...is a 'nanosphere' and are now trying to synthesize nanospheres of hydroxyapatite. Hydroxyapatite is a ceramic mat...ide the tiny channels in teeth. To see whether nanospheres would be successful at filling the channels they u...
Nanospheres in Biological Technology

Engineering nanoparticles for maximum strength

...without losing strength. The geometry of the novel nanospheres can be engineered to approach the theoretical idea...terials Science and Engineering (MSE). "We put the nanospheres on a flat silicon substrate inside NCEM's In Situ ...icult and time-consuming, it's essential." The nanospheres of cadmium sulfide were prepared in the laboratori...

Killer pulses help characterize special surfaces

...d Seong demonstrated their technique by measuring the distribution of local enhancements for benzenethiolate molecules on a substrate of silver-coated nanospheres 330 nanometers in diameter. To characterize the surface, the researchers first measured the initial Raman intensity. Then they put in a weak killer ...

Iowa State researchers developing system to efficiently convert biomass to ethanol

...biorenewables, I think there will be a renaissance of this research and technology, Lin said. His idea for a new kind of catalyst is based on solid nanospheres just 250 billionths of a meter in diameter that have honeycomb channels running through them. Lin said those channels can be loaded with a metallic ca...
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