News tagged with gold particles
Tailored optical material from DNA: Nano spiral staircases modify light
In the human body genetic information is encoded in double-stranded deoxyribonucleic acid building blocks, the so-called DNA. Using artificial DNA molecules, an international team of scientists headed by the ...
Nanotechnology / Nanomaterials
Mar 14, 2012 |
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Plasmonic nanocrosses that heat up when illuminated can be used to kill cancer
Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby ...
Nanotechnology / Bio & Medicine
Dec 23, 2011 |
5 / 5 (5) |
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NMR used to determine whether gold nanoparticles exhibit 'handedness'
Carnegie Mellon University's Roberto R. Gil and Rongchao Jin have successfully used NMR to analyze the structure of infinitesimal gold nanoparticles, which could advance the development and use of the tiny ...
Nanotechnology / Bio & Medicine
Dec 08, 2011 |
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Cobblestones fool innate immunity
Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...
Nanotechnology / Bio & Medicine
Nov 29, 2011 |
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Preparing a homogenous haystack
(PhysOrg.com) -- What if you could turn the whole haystack into needles? Instead of hunting for one item, you’d have 10 billion of the desired items laid out neatly in front of you. That’s what researchers ...
Nanotechnology / Nanomaterials
Nov 28, 2011 |
4 / 5 (1) |
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Chemists cram two million nanorods into single cancer cell
(PhysOrg.com) -- Rice University chemists have found a way to load more than 2 million tiny gold particles called nanorods into a single cancer cell. The breakthrough could speed development of cancer treatments ...
Nanotechnology / Bio & Medicine
Nov 16, 2011 |
4.4 / 5 (10) |
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Researchers find way to align gold nanorods on a large scale
Researchers from North Carolina State University have developed a simple, scalable way to align gold nanorods, particles with optical properties that could be used for emerging biomedical imaging technologies.
Nanotechnology / Nanomaterials
Aug 17, 2011 |
5 / 5 (2) |
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Researchers' quest for gold
For University of Wisconsin-Milwaukee researchers studying the toxicity of gold nanoparticles - a minuscule material with potentially big biomedical applications - the road to a new medical advance may or may not be paved ...
Nanotechnology / Bio & Medicine
Jul 22, 2011 |
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Entry prohibited for AIDS viruses: Peptide triazole inhibitors disrupt cell-free HIV-1
(PhysOrg.com) -- The initial entry of HIV-1 into host cells remains a compelling yet elusive target for the development of agents to prevent infection, a critical need in the fight against the global AIDS ...
Jul 08, 2011 |
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Gold nanoparticles bring scientists closer to a treatment for cancer
Scientists at the University of Southampton have developed smart nanomaterials, which can disrupt the blood supply to cancerous tumours.
Nanotechnology / Bio & Medicine
Jul 07, 2011 |
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With a simple coating, nanowires show a dramatic increase in efficiency and sensitivity
By applying a coating to individual silicon nanowires, researchers at Harvard and Berkeley have significantly improved the materials' efficiency and sensitivity.
Jul 06, 2011 |
4.8 / 5 (4) |
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Branch offices: New family of gold-based nanoparticles could serve as biomedical 'testbed'
(PhysOrg.com) -- Gold nanoparticles are becoming the ... well ... gold standard for medical-use nanoparticles. A new paper by researchers from the National Institute of Standards and Technology (NIST) and ...
Nanotechnology / Bio & Medicine
Jun 22, 2011 |
5 / 5 (1) |
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'Fool's Gold' from the deep is fertilizer for ocean life
Similar to humans, the bacteria and tiny plants living in the ocean need iron for energy and growth. But their situation is quite different from ours--for one, they can't turn to natural iron sources like ...
Space & Earth / Earth Sciences
May 09, 2011 |
5 / 5 (8) |
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Rice-born detector finds heaviest antimatter
Physicists at Rice University and their collaborators have detected the antimatter partner of the helium nucleus, antihelium-4. This newly observed particle is the heaviest antimatter particle ever detected. ...
Apr 25, 2011 |
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Antihelium-4: Physicists nab new record for heaviest antimatter
(PhysOrg.com) -- Members of the international STAR collaboration at the Relativistic Heavy Ion Collider -- a particle accelerator used to recreate and study conditions of the early universe at the U.S. Department ...
Apr 24, 2011 |
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