News tagged with tiny cells
Stealthy leprosy pathogen evades critical vitamin D-dependent immune response
A team of UCLA scientists has found that the pathogen that causes leprosy has a remarkable ability to avoid the human immune system by inhibiting the antimicrobial responses important to our defenses.
Jan 29, 2012 |
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Engineering cartilage replacements
A lab discovery is a step toward implantable replacement cartilage, holding promise for knees, shoulders, ears and noses damaged by osteoarthritis, sports injuries and accidents.
Dec 02, 2011 |
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Mitochondria restructuring protein provides new therapeutic target for heart disease
Mitochondria are often called cellular "powerhouses" because they convert nutrients into energy. But these tiny structures also help determine cellular lifespan. Scientists at Sanford-Burnham Medical Research ...
Medicine & Health / Cardiology
Nov 17, 2011 |
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Silicon ink is spot on, NREL experiments show
Ink can cause a mess, but the Silicon Ink developed by Innovalight behaves itself so well that when it is added to a solar cell it doesn't clump or spill, instead it boosts the cell's power by a startling, ...
Sep 29, 2011 |
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Discovery helps explain why chemo causes drop in platelet numbers
Scientists at the Walter and Eliza Hall Institute have identified a way that chemotherapy causes platelet numbers to drop, answering in the process a decade-old question about the formation of platelets, tiny ...
Sep 25, 2011 |
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Kidney damage and high blood pressure
The kidney performs several vital functions. It filters blood, removes waste products from the body, balances the body's fluids, and releases hormones that regulate blood pressure. A number of diseases and conditions can ...
Sep 22, 2011 |
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Carbon nanoparticles break barriers -- and that may not be good
A study by researchers from the schools of science and medicine at Indiana University-Purdue University Indianapolis examines the effects of carbon nanoparticles (CNPs) on living cells. This work is among ...
Nanotechnology / Bio & Medicine
Sep 15, 2011 |
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Microspiders: Polymerization reaction drives micromotors
(PhysOrg.com) -- Though it seems like science fiction, microscopic "factories" in which nanomachines produce tiny structures for miniaturized components or nanorobots that destroy tumor cells within the body ...
Sep 02, 2011 |
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New 3-D photonic crystal has both electronic, optical properties
In an advance that could open new avenues for solar cells, lasers, metamaterials and more, researchers at the University of Illinois have demonstrated the first optoelectronically active 3-D photonic crystal.
Jul 24, 2011 |
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Test for chromosome abnormalities sheds light on genetic origins of faulty eggs
Researchers are developing a new way to test a woman's egg for chromosome abnormalities that avoids the need to manipulate and biopsy the egg itself. The research may also shed light on the crucial role played by certain ...
Jul 05, 2011 |
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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 |
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Israel's scientists think big with the very, very small
A material just one atom thick that is stronger than steel but flexes like rubber. A "mini-submarine" that can trick the immune system and deliver a payload of chemotherapy deep inside a tumour.
Nanotechnology / Nanomaterials
Nov 09, 2010 |
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Plastics that convert light to electricity could have a big impact
University of Washington researchers have found a way to measure exactly how much electrical current is carried by tiny bubbles and channels that form inside nanoscale solar cells, paving the way for development ...
Nanotechnology / Nanomaterials
Aug 04, 2009 |
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Scaling the wall of deafness
Despite modern medicine, one in 1,000 American babies are born deaf. The numbers increase markedly with age, with more than 50% of seniors in the United States experiencing some form of hearing loss.
Apr 14, 2009 |
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UCSF team closer to creating safe embryonic-like stem cells
A team of UCSF researchers has for the first time used tiny molecules called microRNAs to help turn adult mouse cells back to their embryonic state. These reprogrammed cells are pluripotent, meaning that, like embryonic stem ...
Apr 12, 2009 |
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