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Gold in Biological News

Nonstick and laser-safe gold aids laser trapping of biomolecules

Biophysicists long for an ideal materialsomething more structured and less sticky than a standard glass surfaceto anchor and position individual biomolecules. Gold is an alluring possibility, with its simple chemistry and the ease with which it can be patterned. Unfortunately, gold also tends to b...

Singapore scientists synthesize gold to shed light on cells' inner workings

Highly fluorescent gold nanoclusters for sub-cellular imaging have been synthesized by researchers at the Institute of Bioengineering and Nanotechnology (IBN), one of the research institutes of Singapore's A*STAR (Agency for Science, Technology and Research). Measuring less than 1 nanometer in...

Freezing kidney cancer: Hot treatment should be new gold standard for destroying small tumors

SAN DIEGO, Calif. (March 9, 2009)Freezing kidney tumorsusing a safe minimally invasive interventional radiology treatment that kills the cancer 100 percent effectively without surgeryshould be the gold standard or first treatment option for all individuals with tumors that are 4 centimeters in siz...

Scientists find black gold amidst overlooked data

About half of the oil in the ocean bubbles up naturally from the seafloor, with Earth giving it up freely like it was of no value. Likewise, NASA satellites collect thousands of images and 1.5 terrabytes of data every year, but some of it gets passed over because no one thinks there is a use for i...

The gold standard: Biodesign Institute researchers use nanoparticles to make 3-D DNA nanotubes

Arizona State University researchers Hao Yan and Yan Liu imagine and assemble intricate structures on a scale almost unfathomably small. Their medium is the double-helical DNA molecule, a versatile building material offering near limitless construction potential. In the January 2, 2009 issue o...

Field Museum provides gold standard for mammal survey

CHICAGO, Oct. 6, 2008 Putting together the Who's Who of bats, bears, beaked whales and all of Earth's other known mammals was a gigantic task ably assisted by a Field Museum scientific team with access to one of the planet's most extensive and diverse mammal collections. A team headed by the I...

Sir David Lane honored with Royal Gold Medal by Royal Society of Edinburgh

Sir David Lane, chairman of Singapore A*STAR's Biomedical Research Council, has received the Royal Gold Medal for his outstanding contribution to cancer research through his discovery of p53 tumour suppressor gene. The Royal Gold Medal is one of the highest accolades from the Royal Society of...

James Briscoe awarded 2008 EMBO Gold Medal

The European Molecular Biology Organization (EMBO) announced that James Briscoe of the Medical Research Council's National Institute for Medical Research will receive the prestigious EMBO Gold Medal for 2008. Briscoe receives the award in recognition of his discovery that cells integrate time o...

Inaugural Kirkham Gold Medal presented to expert on soil physics

The first Don and Betty Kirkham Soil Physics Gold Medal was awarded to Donald R. Nielsen, University of California-Davis. He was presented with the medal at the Third Kirkham Conference, held February 24-26, 2008, and sponsored by the Soil Science Society of America (SSSA) and the Agronomic Scienc...

Ancient organisms discovered in Canadian gold mine

Scientists have suspected that the three known domains of life -- eukaryotes, bacteria, and archaea -- branched off and went their separate ways around three billion years ago. But pinning down the time of that split has been an elusive task. Now, a team of scientists present direct evidence th...

For old or young dialysis patients, AV fistulas remain pure gold

SAN DIEGO, Calif. (March 9, 2009)A new study shows that for those individuals with chronic kidney disease, it doesn't matter if you're young or old: arteriovenous (AV) fistulas remain the gold standard for maintaining access to one's circulatory system to provide life-sustaining dialysis. Interven...

Purdue's gold nanorods brighten future for medical imaging

Researchers at Purdue University have taken a step toward developing a new type of ultra-sensitive medical imaging technique that works by shining a laser through the skin to detect tiny gold nanorods injected into the bloodstream. In tests with mice, the nanorods yielded images nearly 60 times b...

Improved Outcomes Releases GeneLinker(TM) Gold and Platinum Version 4.6

Improved Outcomes Software (IOS) today announced the release of GeneLinker(TM) Gold and Platinum 4.6, new versions of the award-winning Gene Expression and Proteomics Analysis Software products. "The new releases are focused primarily on importing and analyzing protein biomarker data, a high priori...

August 2009 Geology and GSA Today media highlights

...se elements. These zones are interpreted to result from invasion of the pyrite-forming fluid by magmatic vapors. The close association of arsenic with gold and silver strongly suggests that these three elements may be transported by hydrothermal vapor separately from copper-rich vapor. Comparison of the a...

All-in-1 nanoparticle: A Swiss Army knife for nanomedicine

..., solar cells and light-emitting diodes. Glowing gold nanoparticles have been used since ancient times i... type of medical imaging that uses infrared light. gold also reradiates infrared heat and so could be used... nearby cells. But combine a quantum dot and a gold nanoparticle, and the effects disappear. The elect...

Skin-like tissue developed from human embryonic stem cells

...n two weeks, tissues developed that were similar in structure to those constructed using mature cells derived from newborn skin, which are the current gold standard for tissue fabrication. "These engineered tissues are remarkably similar to their human counterparts and can be used to address major conc...

The straight poop on counting tigers

...ra trap data, where individual tigers are photographed automatically and identified by their unique stripe pattern. Camera-trapping is considered the gold standard in tiger population estimation, but is impractical in several areas where tiger densities are low or field conditions too rugged. "We see ...

Newly discovered reactions from an old drug may lead to new antibiotics

...ey discovery occurred when the team found that the gold drug Auranofin, used to treat arthritis, impacted ...rom using it to grow. Auranofin is an FDA-approved gold salt compound that is used to control inflammation...to require selenium for growth. While testing the gold salt, Self's group also uncovered another surprise...

Ernst-Ludwig Winnacker awarded the Order of the Rising Sun

...ig Winnacker, the former President of the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation), has received the Order of the Rising Sun, gold Rays with Neck Ribbon in Tokyo, in honour of his many years of service to scientific cooperation between Japan and Germany and to the internationalisa...

Prefilled WFI Syringe Provides a High-Quality Solution for Drug Reconstitution

...xJect® is a registered trademark of Medimop Medical Projects Inc. For more information contact  Vetter Pharma International GmbH Oskar gold Eywiesenstrasse 5 88212 Ravensburg Germany phone: +49-(0)751-3700 - 0 fax: +49-(0)751-3700 - 40 00 e-mail: info@vetter-pharma.com www...

Meet DNA's personal assistants

... "This is a pivotal mechanism for solving genetic diseases," says Dr. Noam Shomron of the Faculty of Medicine at Tel Aviv University. "It's like the gold Rush in the 1800s ― everywhere we look we find microRNAs." Taking all this valuable information ― some 700 microRNA's are now indexed &...

Study finds children's activity levels not influenced by more PE time in school

... of time using accelerometers, gadgets that record clock time and duration as well as intensity of activity. The children wore the accelerometer the gold standard for measuring physical activity in large population studies - all day, every day for 7 days during each of four consecutive school terms. The...

George M. Whitesides receives inaugural Dreyfus prize in the chemical sciences

...ns his awards include the Materials Research Society's Von Hippel Award, the Welch Award from the Welch Foundation, the American Institute of Chemists gold Medal, and the Franklin Foundation's Benjamin Franklin Medal in Chemistry. In 1998, he was awarded the National Medal of Science. International recogn...

Nanoneedle is small in size, but huge in applications

...notube is then attached to one end of a glass pipette for easy handling, and coated with a thin layer of gold. Molecular cargo is then attached to the gold surface via "linker" molecules. When placed in a cell's cytoplasm or nucleus, the bonds with the linker molecules break, freeing the cargo. With a d...

Innerscope Research(R) Receives Three Great Minds Innovation Awards from the Advertising Research Foundation

... CEO Dr. Carl Marci Wins gold Innovation Award; Senior Scientist Dr. Caleb Siefert Wins Silver Innovation...ch ideas. Carl Marci, Harvard M.D. and CEO of Innerscope received the gold Innovation Award for a collaborative study with Olson Zaltman Associates (O...

Case Western Reserve University engineers hit pay dirt with clay mixture

...d clay aerogel composite experiments. "We have put together an army of graduate and undergraduate researchers on a shoestring budget and produced a gold mine of papers and patents," said Schiraldi. Aeoroclay materials feel and act like foam, without the injection of gas bubbles or the use of environ...

A dirty job but ...

...hnically-speaking, the solution could also be applied in the mining industry, to help mineralogists pull certain desired chemicals from the soil, like gold or the rare metals used in the high-tech industry. The Tel Aviv University research is funded by the Israeli Science Foundation. ...

Innerscope Research(R) Receives Three Great Minds Innovation Awards from the Advertising Research Foundation

... CEO Dr. Carl Marci Wins gold Innovation Award; Senior Scientist Dr. Caleb Siefert Wins Silver Innovation...ch ideas. Carl Marci, Harvard M.D. and CEO of Innerscope received the gold Innovation Award for a collaborative study with Olson Zaltman Associates (O...

Stevens hosts 'Green Building: The Bottom Line,' April 8

...tery Park City that were the first residential towers in the country to receive LEED (Leadership in Energy and Environmental Design) certifications of gold and platinum, respectively, from the US Green Building Council. Both buildings include HVAC systems that condition and filter fresh air to every unit,...

4,000-year-old coral beds among world's oldest living things, prof says

...hape," Roark explains. "The color of the coral makes them highly sought-after for making jewelry, and the Gerardia coral especially is a beautiful gold color. There are laws protecting the beds, but much of the harvesting still continues. "Also, the beds are threatened by local fishermen in the area...

To fight drug addiction, UB researchers target the brain with nanoparticles

...essful when they combined the siRNA molecules with gold nanoparticles shaped like rods, called nanorods. ...irst time that siRNA molecules have been used with gold nanorods. "What is unique here is that we have a...ces. In addition to their biocompatibility, the gold nanorods developed by the UB researchers are advan...

Lab-on-a-chip homes in on how cancer cells break free

... The lab-on-a-chip device consists of an array of gold lines on a glass slide. Molecules promoting the formation of cell attachments are tethered to the gold lines like balloons tied to string. A cell is pla... molecules. The cell spreads across several of the gold lines, forming attachments to the surface of the c...

Engineer devises ways to improve gas mileage

...tional fluid dynamics, he has been the recipient of almost all the major national and international awards in these fields. In 2007, he received the gold Award from the Royal Aeronautical Society of U.K., an award given to fewer than five Americans in more than fifty years. In 2008, he received the "Aer...

Twin nanoparticle shown effective at targeting, killing breast cancer cells

...chers created the twin nanoparticle by binding one gold (Au) nanoparticle with an iron-oxide (Fe3O4) nanop.... On the other end, they attached cisplatin to the gold nanoparticle. Visually, the whole contraption look...m used a pH-sensitive covalent bond to connect the gold nanoparticle with the cisplatin to ensure that the...

MIT student develops new innovations to selectively kill cancer cells

...rgy and targeted therapeutics in tumors. Using gold Nano-Antennas to Target and Destroy Tumors Si...ation of heatvon Maltzahn developed polymer-coated gold 'nano-antennas' that can target tumors and convert...ally kill the cancerous cells. "The polymer coated gold nano-antennas are the longest-circulating and most...

Vanderbilt scientists invent world's smallest periscopes

...ls." As the name implies, they consist of pyramidal-shaped cavities molded into silicon whose interior surfaces are coated with a reflective layer of gold or platinum. They are microscopic in dimension about the width of a human hair and can be made in a range of sizes to view different-sized objects. ...

Winners of Tyler environmental prize announced

...re and in the deepest ice sheets will share the 2009 Tyler Prize for Environmental Achievement. The award, consisting of a $200,000 cash prize and gold medals, will go to Richard Alley, professor of geosciences at Penn State University, and Veerabhadran (Ram) Ramanathan, professor of atmospheric and c...

Historical photographs expose decline in Florida's reef fish, new Scripps study finds

...er. While conducting research for her doctoral thesis on coral reef ecosystems of the Florida Keys, McClenachan came across what she describes as a gold mine of photographic data at the Monroe County Library in Key West. Hundreds of archived photographs, snapped by professional photographer Charles And...

Plugging in molecular wires

...tem to efficiently conduct the free electrons to a gold electrode. The efficiency of photovoltaic energ...p) that anchors the ensemble to a specially coated gold electrode. Electrons released by irradiation of PS...g the wire are very efficiently transmitted to the gold electrode by the viologen group. It may be poss...

Novel technique changes lymph node biopsy, reduces radiation exposure

...toacoustic tomography (PAT) is worth its weight in gold to breast cancer patients. For the first time...h at Washington University in St. Louis, have used gold nanocages to map sentinel lymph nodes (SLN) in a r...otoacoustic microscopy, and Xia's lab invented the gold nanocages. Their work can minimize invasive su...
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