Nanoparticles, nanoshells, nanotubes: How tiny specks may provide powerful tools against cancer
...n Newark, and his co-workers coated the surface of microscopic carbon nanotubes with a monoclonal antibody. The a...edients: structures called "nanoshells," which are microscopic balls consisting of a silica core coated with a thin layer of gold and, secondly, near infrared ligh...New microscope allows scientists to track a functioning protein with atomic-level precision
..., no instrument was sensitive enough to track each microscopic step taken by RNAP along DNA during transcription....lecules. In a conventional force clamp experiment, microscopic beads are attached near the opposite ends of a long DNA molecule--an arrangement that resembles a we...DNA technique measures suitability of soil for onion crops
...t had a higher detection rate than the traditional microscopic investigation for both the stem nematode and onion white rot. Each year thousands of soil samples are investigated for their suitability for onion crops. They are examined for the presence of the nematode Ditylenchus dipsaci (the stem nematode) and ...Worms know bad food when they smell it
... learning in the laboratory animal C. elegans, a microscopic worm with only 302 neurons. The work suggests that the cellular mechanisms underlying this type of learning have been maintained through evolution, and opens the way for more in depth studies of how learning occurs. The study will be published in the...Group proves it's possible to grow new lung alveoli by growing new blood vessels
...re programmed to do. The results were striking: In microscopic images, the scientists have charted the growth of alveoli and lung capillaries. In a typically healthy lung, a complex network of capillaries encircles the alveoli. Oxygen flows from the lungs through ultra-fine epithelial and endothelial tissues int...Microfossils show promise in prospecting climate history
...al micropaleontologist Scott Hippensteel -- and on microscopic shells, barrier marshes and fiddler crabs. The answer may be critical not just in weather forecasting, but in adjusting insurance rates, in preparing for future disasters and in guiding future environmental policy. Since climate science cannot yet ac...Scientists discover secret behind human red blood cell's amazing flexibility
... roughly 33,000 protein hexagons that looks like a microscopic geodesic dome. Unfortunately, neither the architecture of the dome nor the structures of individual proteins that make up the hexagons reveal the details of how the remarkably regular organization actually works. Sung and her collaborators at the Jac...Yale researchers make cell biology quantitative
...curate measurements of proteins inside cells using microscopic methods usually used just to show where proteins are located," said senior author Thomas D. Pollard, M.D. , Chair and Higgins Professor of Molecular, Cellular & Developmental Biology at Yale, of the work published in Science. Postdoctoral fellow ...UC Davis ophthalmologist to examine ancient Chilean mummy eyes
...the tissues in paraffin, slicing the specimens for microscopic viewing, applying stains to highlight selected cellular characteristics, and finally examining the tissues under a microscope. Preliminary findings should be available by the end of the week. Slow rehydration may postpone the findings by a day. Tests...New genetic test can detect clam disease
...ies among clam strains. Smolowitz uses traditional microscopic examination of tissues to determine if clams are sick. Gast's genetic test can now also be used to ensure clams without visible symptoms are not carrying the disease. With the disease spreading along the East Coast and no cure, the researchers ...Pillows - a hot bed of fungal spores
...en higher numbers found in synthetic pillows. The microscopic fungus Aspergillus fumigatus was particularly evident in synthetic pillows, and fungi as diverse as bread and vine moulds and those usually found on damp walls and in showers were also found. Professor Ashley Woodcock who led the research said: "We ...University of Delaware researchers develop cancer 'nanobomb'
...and thermal properties, and found we could trigger microscopic explosions of nanotubes in wide variety of conditi...ons, they realized it might be possible to use the microscopic bombs to kill cancer cells. They recreated the explosions in solutions including water, phosphate an...The shape of things to come: Morphology database going global
...ed MorphBank as a way to share the more than 1,000 microscopic photos they had taken in their comprehensive study of a group of parasitic wasps. The name of the database refers to the term morphology, which is the study of the shape and structure of plants and animals. Ronquist brought the project to FSU in 2003...Scientists learn to predict protein-stabilizing ability of small molecules
...harm; and they make it possible for the remarkable microscopic creatures known as "water bears" to survive complete drying, exposure to intense radiation, and temperatures ranging from a few degrees above absolute zero to that of superheated steam. In the PNAS paper, Matthew Auton and D. Wayne Bolen describe the...Researchers to gain wider access to knockout mice
...havior, ability to reproduce, and radiological and microscopic data. Such comprehensive information on such a large group of mice has never been available to public sector researchers, and is expected to greatly accelerate efforts to explore gene functions in health and disease. "Our decision to procure these kn...Johns Hopkins hosts 2005 Annual Fall Meeting of Biomedical Engineering Society
...n basic biomedical sciences and engineering at the microscopic and quantitative levels," said Andre Levchenko, Ph.D., assistant professor of biomedical engineering at The Johns Hopkins University Whiting School of Engineering and co-chair of the conference's systems biology and bioinformatics track. Conference t...Breakthrough in micro-device fabrication combines biology and synthetic chemistry
...acular examples of micro-organisms that synthesize microscopic nanostructured shells with well-controlled and highly-reproducible 3-D shapes and features currently unattainable by manmade processes. However, the naturally occurring diatom microshells do not have the specific properties needed for device applica...'Underground' tunnels discovered as means for communication between immune system cells
...ay show there are additional cell types with these microscopic tunnel connections. Thus far, their studies sugges...tion. Using a custom-built, multi-camera live cell microscopic imaging system, they report that, in a matter of seconds, dendritic cells and macrophages can send w...Molecular defect found that may cause heart failure
...ction. For this study, the OSU investigators used microscopic fluorescence imaging techniques to monitor changes in calcium ion concentrations in the SR and other regions of individual isolated heart cells. They found that in heart failure, the channels cannot close tightly after a contraction. Instead, they r...Purdue scientists see biochemistry's future - with quantum physics
...ourse, we needed to learn more about nature at the microscopic level." As many of these supposedly forbidden reactions involve biomolecules centered upon transition metals, which can flip back and forth between different spin states under certain conditions, Rodriguez theorized that it was this variability in sp...