News tagged with hollow gold

Targeted nanospheres find, penetrate, then fuel burning of melanoma

Feb 02, 2009 | 4.6 / 5 (7) | 1

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 ...

Search results for hollow gold

Hollow gold nanospheres show promise for biomedical and other applications

Nanotechnology / Bio & Medicine

Mar 22, 2009 | 3.4 / 5 (5) | 0

(PhysOrg.com) -- 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 ...

Single-crystal semiconductor wire built into an optical fiber

Nanotechnology / Nanomaterials

Mar 12, 2008 | 4.3 / 5 (30) | 3

An international science team from Penn State University in the United States and the University of Southampton in the United Kingdom has developed a process for growing a single-crystal semiconductor inside ...

Hollow spheres made of metal

Chemistry / Materials Science

Oct 13, 2009 | 4.9 / 5 (9) | 5

Producing metallic hollow spheres is complicated: It has not yet been possible to make the small sizes required for new high-tech applications. Now for the first time researchers have manufactured ground hollow ...

Engineers produce 'how-to' guide for controlling the structure of nanoparticles

Nanotechnology / Nanomaterials

Sep 24, 2009 | not rated yet | 0

Tiny objects known as nanoparticles are often heralded as holding great potential for future applications in electronics, medicine and other areas. The properties of nanoparticles depend on their size and structure. Now researchers ...

Engineers Produce 'How-To' Guide for Controlling the Structure of Nanoparticles

Nanotechnology / Nanomaterials

Sep 16, 2009 | 5 / 5 (4) | 0

(PhysOrg.com) -- Tiny objects known as nanoparticles are often heralded as holding great potential for future applications in electronics, medicine and other areas. The properties of nanoparticles depend on their size and ...

Carbon fullerenes now have metallic cousins, 'hollow golden cages'

Nanotechnology / Nanophysics

May 15, 2006 | 4.2 / 5 (51) | 0

Scientists have uncovered a class of gold atom clusters that are the first known metallic hollow equivalents of the famous hollow carbon fullerenes known as buckyballs. The evidence for what their discoverers ...

Bacterium helps formation of gold

Physics / Condensed Matter

Oct 07, 2009 | 4 / 5 (8) | 0

Australian scientists have found that the bacterium Cupriavidus metallidurans catalyses the biomineralisation of gold by transforming toxic gold compounds to their metallic form using active cellular mechan ...

All That Glitters Is Now Gold

Technology / Engineering

Oct 01, 2009 | 3.4 / 5 (5) | 0

(PhysOrg.com) -- In full sunlight at mid-day, gold objects are brilliant and richly colored. Put those same objects in a dark interior room with only fluorescent lamps, however, and they will look pale and ...

24-carat gold 'snowflakes' improve graphene's electrical properties

Graphene Used As Floating-Molecular Carpet To Ornament It With 24-Carat Gold 'Snowflakes'

Nanotechnology / Nanomaterials

Oct 12, 2009 | 4.2 / 5 (6) | 0

(PhysOrg.com) -- In an effort to make graphene more useful in electronics applications, Kansas State University engineers made a golden discovery -- gold "snowflakes" on graphene.