Tag: "patterned" at biology news
Study Highlights the Use of Viruses as Tools for Material Science and Drug Delivery
... production of minaturizedsemiconductors and other patterned
Fake Photosynthesis? Test-Tube System In Science Paper Sheds Light On The Oxygen We Breathe, UD Prof Says
...osystem II (PSII). The synthetic, metal cluster is patterned
after a naturally occurring,four-manganese cluster involved in plant functions, says Rheingold, whodescribes his X-Ray Crystallography Laboratory as "the Supreme Court ofchemistry," where researchers worldwide send samples to be deciphered. The natur...
Parasites, Not Pollution, Responsible For Some Frog Deformities, As Reported In The 30 April Issue Of Science
...ematode infections, however, two or three properly patterned
limbs sprout fromone limb bud, each the mirror image of the one next to it. Taking these laboratory results into the field, Sessions and his colleaguesstudied five species of frogs from twelve different locations in California,Oregon, Arizona, and N...
Astrobiologist to hunt small game in Siberia
..." In Siberia, Hoover is particularly interested in patterned
ground ice wedges andvolcano-shaped pingos. "The ice wedges form when the ground freezes and breaks into large exposedpolygonal cracks," he explained. "Water fills the cracks during warm weather,refreezes and expands the crack in the winter." The cyc...
Desktop biofactories? New microrobots might manipulate single cells, Science authors report
...pattern the titanium-coated silicon. Next, using a patterned
chromium layer as a kind of glue, they added a thin layer of gold to the template. More etching defined individual electrodes on the silicon. This step was followed by a rigid material called BCB (Benzocyclobutene, or Cyclotene), which provided a fra...
Experiments point to new theory of skeletal development
... the developing skeleton organize into exquisitely patterned
tissue, from fingers to spines. In various micro...ng how to bring about the regeneration of normally patterned
human digits after traumatic amputation."...
Tiny sampling device promises big results for detection and analysis of chemicals
...brane, formed by etching the silicon away, holds a patterned
platinum heater, called a microhotplate. A thin layer of an adsorbent material goes on the front surface of the heater. Gold pads surround the device and help to connect the platinum heater electrically to the macroscopic world. The micro preconc...
Tiny polymer patterns might act as glue in 'biochips'
...tic pattern remains. "These polymer films can be patterned
on surfaces in cellular dimensions or smaller," says Nicholas A. Peppas, Purdue's Showalter Distinguished Professor of Chemical and Biomedical Engineering, who worked with Bashir to co-direct the research of former chemical engineering graduate stude...
Sleep in early life may play crucial role in brain development
...r how sleep impacts plasticity. One theory is that patterned
neuronal activity following a period of environmental stimulation is replayed during non-REM sleep, strengthening neuronal connection changes. The alternative theory, which could also work in conjunction with the first, is that powerful growth factor...
Lithographic technique creates neuronal networks in a dish
...g, a University of Illinois scientist has produced patterned
surfaces on glass substrates that integrate biocom...y and mechanically separated, then poured onto the patterned
polylysine where they selectively attach to the surface. "Within a few days, the cells send out proc...
Shifting liquid crystals may serve as personal, portable chemical sensors, Science researchers report
...ltiple receptor/liquid crystal combinations can be patterned
over the sensor's surface, allowing simultaneous detection of several different chemicals. The "competitive binding" mechanism also allows the sensor to tolerate non-targeted compounds, such as water, which can interfere with detection in other types...
Small research big on Illinois campus
...ity, this center is using nanotechnology to create patterned
substrates with integrated biological components f...ls that can be linked with microfluidic devices on patterned
structures and tailored for highly specific sensor applications. The UIs emphasis on nanotechnology ...
Gene found that controls stomatal cell growth in plants
...e we have a cell type that is patterned
by asymmetric division and we have a gene that affects the orientation of those divisions." Sack also said that while stem cell research has been widely discussed recently, "most people ...
Computational geneticists revisit a mystery in evolution
...w end products, or traits, such as the beautifully patterned
wings of a butterfly. He envisioned development pr... the result is, say, development of an elaborately patterned
forewing. It rolls left, and a different-looking hindwing forms. The puzzle that attracted Bergman a...
New method of DNA testing promises to transform medical diagnostics
...peating units--repeated in the polymer exactly and patterned
in DNA via the four-element code. DNA is negatively charged. The testing method focuses on a small signatory piece of the DNA strand. The question the test asks is whether that small piece--characteristic of, say, anthrax and only anthrax--is prese...
Study reveals clues to brain development
..., and bassinets are outfitted with objects sharply patterned
in black and white or contrasting primary colors. Far fewer studies have investigated precisely how visual stimulation drives the formation of new neuronal structures in the brain. Now, researchers at Cold Spring Harbor Laboratory have demonstrated t...
Bloodworm's way with copper likely provides paradigm for new materials
...nic species into three-dimensional, hierarchically patterned
materials and whose research group has extensively studied marine organism biomineralization, is a participant in the California NanoSystems Institute (CNSI). Waite is a participant in UCSB's Marine Science Institute (MSI)....
UAF Institute of Arctic Biology researcher featured in Science
...nce" to comment on recent advances in the study of patterned
ground, which includes geomorphic features like so...then Mann has worked on several projects involving patterned
ground in northern Alaska, Antarctica and in mountain ranges in the western U.S. Mann's interest in ...
Virginia Tech inventions, creations can improve lives
...In other words, films are able to self-assemble on patterned
supports. The film may be a monolayer or several l...aratus for pyroelectric emission lithography using patterned
emitter" (6,476,402 ) and a "Ferroelectric emitter" (6,479,924 ). The apparatus allows electron emis...
White noise delays auditory organization in brain
...nts have been reported that explore the effects of patterned
early auditory experience on cortical development...., "it's like the brain is waiting for some clearly patterned
sounds in order to continue its development. And when it finally gets them, it is heavily influenced...