Bio & Medicine news
Nanotube therapy takes aim at breast cancer stem cells
Wake Forest Baptist Medical Center researchers have again proven that injecting multiwalled carbon nanotubes (MWCNTs) into tumors and heating them with a quick, 30-second laser treatment can kill them.
Nanotechnology / Bio & Medicine
Feb 09, 2012 |
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Australians risking skin cancer to avoid nanoparticles
More than three in five Australians are concerned enough about the health implications of nanoparticles in sunscreens to want to know more about their impact. And while the initial scientific information released suggests ...
Nanotechnology / Bio & Medicine
Feb 09, 2012 |
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Nanorod-assembled order affects diffusion rate and direction
Some of the recent advancements in nanotechnology depend critically on how nanoparticles move and diffuse on a surface or in a fluid under non-ideal to extreme conditions. Georgia Tech has a team of researchers ...
Nanotechnology / Bio & Medicine
Feb 06, 2012 |
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The butterfly effect in nanotech medical diagnostics
Tiny metallic nanoparticles that shimmer in the light like the scales on a butterfly's wing are set to become the color-change components of a revolutionary new approach to point-of-care medical diagnostics, according to ...
Nanotechnology / Bio & Medicine
Feb 06, 2012 |
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'Russian doll' polymer vesicles mimic cell structure
Nanomedicine faces two main challenges: controlling the synthesis of extremely small vectors containing one or several active ingredients and releasing these agents in the right place at the right time, in ...
Nanotechnology / Bio & Medicine
Jan 31, 2012 |
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UT researchers' innovation addresses major challenge of drug delivery
A new physical form of proteins developed by researchers at The University of Texas at Austin could drastically improve treatments for cancer and other diseases, as well as overcome some of the largest challenges in therapeutics: ...
Nanotechnology / Bio & Medicine
Jan 28, 2012 |
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System to deliver organ transplant drug -- without harmful side effects
A new system for delivering a drug to organ transplant patients, which could avoid the risk of harmful side effects, is being developed by scientists at the University of Strathclyde in Glasgow.
Nanotechnology / Bio & Medicine
Jan 26, 2012 |
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Strategic research plan needed to help avoid potential risks of nanomaterials
Despite extensive investment in nanotechnology and increasing commercialization over the last decade, insufficient understanding remains about the environmental, health, and safety aspects of nanomaterials. Without a coordinated ...
Nanotechnology / Bio & Medicine
Jan 25, 2012 |
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Nano form of titanium dioxide can be toxic to marine organisms
The Bren School-based authors of a study published Jan. 20 in the journal PLoS ONE have observed toxicity to marine organisms resulting from exposure to a nanoparticle that had not previously been shown to be toxic under ...
Nanotechnology / Bio & Medicine
Jan 24, 2012 |
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DNA as invisible ink can reversibly hide patterns
(PhysOrg.com) -- While most people know of DNA as the building blocks of life, these large molecules also have potential applications in areas such as biosensing, nanoparticle assembly, and building supramolecular ...
Nanotechnology / Bio & Medicine
Jan 23, 2012 |
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DNA motor programmed to navigate a network of tracks
Expanding on previous work with engines traveling on straight tracks, a team of researchers at Kyoto University and the University of Oxford have successfully used DNA building blocks to construct a motor ...
Nanotechnology / Bio & Medicine
Jan 22, 2012 |
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Vaccines to boost immunity where it counts, not just near shot site
Researchers at Duke University Medical Center have created synthetic nanoparticles that target lymph nodes and greatly boost vaccine responses, said lead author Ashley St. John, Ph.D., a researcher at Duke-NUS Graduate Medical ...
Nanotechnology / Bio & Medicine
Jan 22, 2012 |
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PRINTed nanoparticles deliver multiple punches to treat prostate cancer
Using technologies common to the semiconductor industry, a team of investigators at the University of North Carolina at Chapel Hill and Liquidia Technologies has created a polymer nanoparticle that can encapsulate large loads ...
Nanotechnology / Bio & Medicine
Jan 21, 2012 |
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Gold nanorods could improve radiation therapy of head and neck cancer
Radiation therapy is an important part of head and neck cancer therapy, but most head and neck tumors have a built-in mechanism that makes them resistant to radiation. As a result, oncologists have to deliver huge doses of ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
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Biocompatible quantum dot images tumors in live animals
Quantum dots, small semiconductor nanoparticles that fluoresce brightly with sharply defined colors, have tremendous promise as biomedical imaging agents except for one problem—most are made from potentially hazardous ...
Nanotechnology / Bio & Medicine
Jan 20, 2012 |
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Engineers build first sub-10-nm carbon nanotube transistor
Feb 01, 2012 |
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Something old, something new: Evolution and the structural divergence of duplicate genes
Jan 31, 2012 |
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The hidden nanoworld of ice crystals: Revealing the dynamic behavior of quasi-liquid layers
Jan 30, 2012 |
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Stock market network reveals investor clustering
Jan 27, 2012 |
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Of microchemistry and molecules: Electronic microfluidic device synthesizes biocompatible probes
Jan 26, 2012 |
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More News
Overcoming cancer drug resistance with nanoparticles
One of the ways in which cancer cells evade anticancer therapy is by producing a protein that pumps drugs out of the cell before these compounds can exert their cell-killing effects. A research team at Northwestern University ...
Bismuth nanoparticles provide high fidelity images of breast tumors
By combining a nanoparticle that is readily visible in X-ray computed tomography (CT) scans with a molecule that targets tumor lymph vessels and other tumor tissues, a research team from the University of California, San ...
Researchers refine nanoparticles for more accurate delivery of cancer drugs
A new class of nanoparticles, synthesized by a UC Davis research team to prevent premature drug release, holds promise for greater accuracy and effectiveness in delivering cancer drugs to tumors. The work is published online ...
Nanoscale biological coating is a new way to stop the bleeding
MIT engineers have developed a nanoscale biological coating that can halt bleeding nearly instantaneously, an advance that could dramatically improve survival rates for soldiers injured in battle.
Nanotechnology researchers develop new strategy to deliver chemotherapy to prostate cancer cells
Honing chemotherapy delivery to cancer cells is a challenge for many researchers. Getting the cancer cells to take the chemotherapy "bait" is a greater challenge. But perhaps such a challenge has not been met with greater ...
Other News
In the brain, 'ORMOSIL' nanoparticles hold promise as a potential vehicle for drug delivery
(PhysOrg.com) -- In the images of fruit flies, clusters of neurons are all lit up, forming a brightly glowing network of highways within the brain.
Nanoparticle proteomics: Characterizing protein-nanoparticle interactions in biofluids
New insights about how the human body interacts with nanoparticles at the protein level were published by an EMSL user team in the December 2011 issue 23 of Proteomics.
Reading life’s building blocks: Researchers develop tools to speed DNA sequencing
Scientists are one step closer to a revolution in DNA sequencing, following the development in a Harvard lab of a tiny device designed to read the minute electrical changes produced when DNA strands are passed ...
Fewer animal experiments thanks to nanosensors
Experiments on animals have been the subject of criticism for decades, but there is no prospect of a move away from them any time soon. The number of tests involving laboratory animals has in fact gone up. ...
Engineers develop more effective MRI contrast agent for cancer detection
Many imaging technologies and their contrast agents — chemicals used during scans to help detect tumors and other problems — involve exposure to radiation or heavy metals, which present potential health risks to ...
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