Researchers create nanotubes that change colors, form 'nanocarpet' and kill bacteria
...and decontaminate chemical or biological weapons," said senior author Alan J. Russell, Ph.D., professor of...is an accomplishment that has eluded researchers," said Dr. Russell, who also is a professor of chemical and bioengineering at the University of Pittsburgh ...Alaska scientists find Arctic tundra yields surprising carbon loss
...sults we did without such a long-term experiment," said Bret-Harte. "The connection between fertilization ...imits plant growth in most terrestrial ecosystems, said Bret-Harte" "What's really surprising about this result is that we didn't expect that this big loss ......les. The proteins determine the crystal structure, said Wendy J. Shaw, lead author and PNNL staff scientist. Like bone, teeth are made of HAP, but the proteins present when teeth form create enamel, a material with entirely different properties from bone. If you can control the interactions between protei...Master of antimalarial resistance
...ffective against chloroquine-resistant parasites," said David Fidock of Albert Einstein College of Medicin...ate cases of chloroquine-resistant malaria. Fidock said pfcrt's role in halofantrine and amantadine resistance was "a big surprise actually, for both drugs....Pollutant causes delayed flowering in plants
...nal concentrations of the chemical. The scientists said that although their findings are basic in nature, they suggest that the massive amounts of nitric oxide emitted as air pollutants from burning fossil fuels could affect the critical process of plant flowering. Since the decision to flower is so criti...No role for simian virus 40 in human pleural mesotheliomas
...a possible mechanism in the remaining 20 percent," said Marc Ladanyi, M.D., Director, Diagnostic Molecular Pathology Laboratory,and the study's senior author. "But instead we found no evidence for SV40 in these tumors and our experiments show for the first time how the assays commonly used to detect SV40 ...Researchers ID chlorophyll-regulating gene
...the first time. "It's a delicate balancing act," said Peter Quail, professor of plant and microbial biol...cts as a negative regulator for protochlorophyll," said lead author Enamul Huq, who conducted the study while he was a post-doctoral researcher at UC Berkel...'Gene chips' research in cotton could lead to superior variety
...rch support for genomic research." Chen said he would like to expand genome biotechnology education outside the university setting. "We would like to build an outreach program where middle school teachers can bring their classes to our laboratories so they can learn about genome biot...Enzyme maintaining chromosome ends is linked to bone cancer recurrence, decreased survival
...come for children being treated for osteosarcoma," said Jeffrey S. Dome, M.D., associate member in Hematology-Oncology at St. Jude. Dome is senior author of the JCO report. Robert P. Sanders, M.D., a St. Jude postdoctoral fellow, is the paper's first author. Although study results are preliminary, they mi...Anthrax enzyme images reveal secrets of antibiotic resistance, suggest new drug design
...d produced images of sulfa drugs binding to DHPS," said Stephen White, Ph.D., chairman of the St. Jude Structural Biology department. "Without that kind of visual information it's impossible to fully understand how the enzyme works, how the sulfa drugs interfere with DHPS and what kind of changes in the s...New fossil sheds light on old mystery
...he functional purpose of this strange, long neck," said Olivier Rieppel, PhD, a co-author of the Science p...e previously unknown for fossil aquatic reptiles," said Michael LaBarbera, PhD, professor of organismal biology and anatomy at the University of Chicago. "B...Groundbreaking research could ignite new solutions to heat transfer in nano-devices
...ar wall causes molecules within the wall to move," said John Deak, Ph.D., assistant professor of chemistry...also provided the tools to study other molecules," said Dr. Dlott. "In designing nanoscale devices, the shapes of the molecules must be designed not only to...New hydrothermal vents discovered as 'South Pacific Odyssey' research begins
...ide array of specialized deep-sea research tools," said Penn State Professor of Biology Chuck Fisher, chai...ydrothermal activity in an entire back-arc basin," said Charlie Langmuir of Harvard University, a marine geologist who is the chief scientist of the current...University of Alberta researcher looks for clues to mysterious disease
...alsy but what distinguishes A-T is it gets worse," said Campbell. "Sadly, many of the people with A-T end ...system where you can do all these genetic tricks," said Campbell of being able to create mutant proteins and manipulate such factors as temperature. "We hav...Brown research reveals key insight into memory-making
... formation. "It's an exciting, essential finding," said Kauer. "The more we understand the molecular and cellular mechanisms behind memory, the closer we are to treatments for disorders that affect memory." The hippocampus makes declarative memories recollections of facts, events and word meanings. Scien...A long-necked sea predator from China described in Science
...her protorosaurs used their necks during the hunt, said coauthor Olivier Rieppel from the Field Museum in ...res would have had an easier time on land, Chun Li said Dinocephalosaurus may have ventured onto land to lay eggs. To breathe, Dinocephalosaurus probably he...Cannabis may help combat cancer-causing herpes viruses
...viral drugs acyclovir, gancicyclovir and foscamet, said Dr. Medveczky, a professor in the Department of Medical Microbiology and Immunology. The USF researchers suggest that THC selectively inhibits the spread of gamma herpes viruses by targeting a gene these viruses all share called ORF50. Dr. Medveczk...'Smart antibiotics' may result from UCLA research
...while the antibiotic is static and cannot change," said Jeffery F. Miller, professor and chair of microbio...mart antibiotics for treating bacterial diseases," said Miller, a member of both UCLA's David Geffen School of Medicine and the UCLA College. "It's a bit......U.S. Sheep Experiment Station, and private lands," said WCS Conservationist Robert Inman, the lead author of the study. "While these data come from only one individual, they suggest that wolverine populations may function over a huge geographic scale. Sustaining wolverines in the Greater Yellowstone Ecos......report. "The synthesis requires only seven steps," said organic chemist P. Andrew Evans, who led the research. "It should be quite trivial to scale this up to the production of large quantities." Gaur acid is a natural skin secretion of the gaur, an Asian wild ox. Preliminary evidence suggests that this c...