Posts Tagged ‘nanoparticles’
Send cargo to brain in nontoxic ‘vessels’
U. BUFFALO (US) — A novel class of nanoparticles penetrates the brain of fruit flies without harming cells or interfering with normal function, raising the possibility of safe drug delivery, researchers say. Continue…
Tuesday, January 10, 2012 10:43 - 0 Comments
Science & Technology - Nov 28, 2011 12:56 - 2 Comments
Electrode for durable batteries on the grid
STANFORD (US) — A new type of battery electrode could make large-scale storage for solar and wind power more feasible. (more…)
Science & Technology - Oct 26, 2011 11:14 - 3 Comments
No worries: Nanoparticles are nothing new
U. OREGON (US) — Nanoparticles—long thought to be potentially hazardous to human health—have in reality been forming naturally for as long as humans have used silver, copper, and other metals for tools and jewelry. (more…)
Science & Technology - Sep 30, 2011 13:41 - 0 Comments
Method maps tiny ‘two-faced’ nanoparticles
VANDERBILT (US) — Chemists have developed a way to rapidly map the surfaces of tiny particles that possess two chemically distinct faces. Potential applications range from drug delivery to video displays, say researchers. (more…)
Health & Medicine - Sep 21, 2011 10:59 - 1 Comment
Laser tags detect prostate cancer
UC SANTA BARBARA (US) — New laser technology can discriminate between cancerous prostate cells in bodily fluids from those that are healthy—and may ultimately help doctors determine when cancer will spread. (more…)
Top Stories - Aug 25, 2011 10:20 - 0 Comments
Inorganic clusters look like living viruses
U. MICHIGAN (US) — By exploiting a delicate balance of atomic forces, researchers can create nanoparticle superclusters that are uniform in size—an important factor in a variety of nanotech applications. (more…)
Health & Medicine - Aug 10, 2011 8:52 - 0 Comments
Dot to dot makes teeth tough
U. PITTSBURGH (US) — Protein molecules that self-assemble like stepping blocks and then stabilize in a connect-the-dot fashion give tooth enamel its unique combination of hardness and resiliency. (more…)
Science & Technology - May 20, 2011 15:35 - 0 Comments
Hijack photosynthesis to make hydrogen
U. CHICAGO (US) — Researchers were able to produced hydrogen at a rate five times greater than the previous record-setting method by linking platinum nanoparticles with algae proteins. (more…)
Science & Technology - Mar 22, 2011 16:55 - 0 Comments
This ‘Etch-a-Sketch’ is laser guided
U. CHICAGO (US) — A low-power laser—similar to the common laser pointer—can cause gold and carbon nanoparticles to assemble into long chains that follow the laser beam as it moves. (more…)
Science & Technology - Mar 10, 2011 15:37 - 0 Comments
Versatile alloy delivers extra bounce
RUTGERS (US) — A class of high-strength metal alloys could be a hundred times more responsive than existing materials, making springs, sensors, and switches smaller and more responsive. (more…)
Science & Technology - Mar 8, 2011 13:14 - 0 Comments
Tiny turnstile counts nanoparticles
UC SANTA BARBARA (US) — A new device can detect nanoparticles, suspended in fluid, as they flow one by one at estimated rates as high as half a million particles per second. (more…)
Top Stories - Feb 1, 2011 12:40 - 0 Comments
Armor protects drug-releasing polymers
U. WARWICK (UK) — Chemists have figured out a way to add armor protection to polymer vesicles designed to carry a drug payload. (more…)
Science & Technology - Jan 28, 2011 11:13 - 0 Comments
Lattice adds flexibility to nano toolkit
U. ROCHESTER (US) — Scientists have created a diamond-like lattice composed of gold nanoparticles and viral particles, woven together and held in place by strands of DNA. (more…)
Science & Technology - Sep 9, 2010 16:46 - 0 Comments
Supernova shrapnel found in meteorite
U. CHICAGO (US)—Scientists have identified the microscopic shrapnel of a nearby star that exploded just before or during the birth of the solar system 4.5 billion years ago. (more…)
Health & Medicine - Jul 28, 2010 11:20 - 1 Comment
Nano-protein pair kill cancer cells
UNC-CHAPEL HILL (US)—A normally benign protein found in the human body appears to be able—when paired with nanoparticles—to zero in on and kill certain cancer cells, without the use of chemotherapy drugs. (more…)
Science & Technology - Jul 26, 2010 14:42 - 0 Comments
How to build colonies of cargo-toting cells
U. PITTSBURGH (US)—Inspired by the social interactions of ants and slime molds, engineers have designed artificial cells capable of self-organizing into independent groups that can communicate and cooperate—and carry cargo. (more…)
Science & Technology - Apr 28, 2010 13:00 - 2 Comments
Magnetism puts nanoparticles on the move
U. ILLINOIS (US)—Scientists have developed an imaging technology that uses magnetism to noninvasively move nanoparticles inside the body in order to specifically target tumor cells and other tissue. (more…)
Health & Medicine - Mar 22, 2010 23:40 - 2 Comments
Nanoparticles ferry interfering RNA into tumors
CALTECH (US)—Researchers have demonstrated the feasibility of using both nanoparticles and RNA interference in patients, opening the door for future “game-changing” therapeutics that attack cancer and other diseases at the genetic level, says lead researcher Mark Davis. (more…)
Science & Technology - Mar 19, 2010 11:00 - 8 Comments
Invisible tags may give bar codes the boot
RICE (US)—Long checkout lines will be history if a newly developed technology delivers. The printable transmitter—invisibly embedded in packaging—would allow a customer to walk a cart full of groceries or other goods past a scanner on the way to the car. (more…)
