Tag: "titanium" at biology news
Nature's secrets yield new adhesive material
...when coated with the mussel mimetic and applied to titanium
oxide, gold, and other surfaces. The dry adhesive force of the pillars also improved when coated with the compound. That actually wasnt so surprising to us, said Lee, the lead author on the study. The mussel-inspired adhesive is extremely versa...
World's first X-ray free electron laser is on course to completion
...n aluminum structures bolted into a 3.4-meter-long titanium
strongback. The strongback secures the magnet and pole assemblies, counteracts the very high magnetic forces between the upper and lower magnetic arrays, and is critical in determining the thermal and mechanical stability of the undulator. Precision ...
Nanotextured implant materials: blending in, not fighting back
...ineering , Webster and Haberstroh pressed together titanium
particles that were less than 1 micron in size to create titanium
with nanoscale surface texture. When they compared samples of the nanostructured material to convent...
Titanium dioxide -- It slices, it dices ...
... Analytical Chemistry,* uses ultraviolet light and titanium
dioxide and could be ideal for new microfluidic la...the NIST group turned to a semiconductor material, titanium
dioxide. Titanium dioxide is a photocatalystwhen exposed to ultraviolet light its surface becomes hi...
Solar energy conversion offers a solution to help mitigate global warming
...es that replace expensive silicon with inexpensive titanium
dioxide and chemical dyes. Its artificial photosynthesis program imitates nature using simple chemical components to convert sunlight, water and carbon dioxide directly into fuels like hydrogen, methane and ethanol. Its program on thermoelectric mate...
Butterfly wing scales provide template for complex photonic structures
...d potentially be used with other materials such as titanium
oxide, and to replicate other biologically-inspired structures. "As long as there is a void that the vapor phase can penetrate, an entire structure can be replicated using the ALD process," Wang said. "Regardless of what the substrate is and what ...
ACS Weekly PressPac -- September 6, 2006
...olar cells, particularly chemical modifications to titanium
oxide layers, could provide efficiencies of up to ... film of nano-sized semiconductor crystals such as titanium
dioxide, have been shown in laboratory studies to produce efficiencies of 11 percent, whereas most n...
One-two particle punch poses greater risk for astronauts
... 48 hours later, they exposed the cells to iron or titanium
particles. After allowing the cells to grow, th...nce when the cells were hit with either an iron or titanium
particle first, followed by protons. "Now our challenge is to figure out exactly what is happenin...
Nanotechnology being used to improve biocompatibility of human prosthetics and implants
...and prosthetics calcium phosphate (CP) coatings on titanium
alloy implants are proving their worth in orthopae...ings used to promote rapid bone remodelling on the titanium
alloy implants. It is well known that the microstructure of these coatings significantly influences ...
Brain-computer link lets paralyzed patients convert thoughts into actions
...ons and transmit them through thin gold wires to a titanium
pedestal that protrudes about an inch above the patient's scalp. An external cable connects the pedestal to computers, signal processors and monitors. Converting digitized intentions into meaningful action, however, is not simple. Active neurons f...
PNNL wins prestigious R&D 100 awards for five technologies
...or technology transfer. Ti MIM - a technique for titanium
metal injection molding that enables production of high-quality titanium
metal parts for biomedical, aviation and automotive industries at lower cost, higher production rate...
ACS news service weekly press package - May 15, 2006
.... Last week's collection includes new bactericidal titanium
films; super polymers built to withstand the harsh environment of space; and a cutting-edge technology for assembling nanorod semiconductors. Try the cool RSS feed option for this website. RSS (Really Simple Syndication or Rich Site Summary) is a won...
Young researchers recognised for scientific achievements
...in this case ordered, mesoporous materials such as titanium
dioxide, hafnium dioxide, alumina and compounds such as ferroelectric perovskites can have a very profound effect, be it on technical processes such as adsorption or separation techniques, catalytic synthesis of new materials, or through previously ...
Highlights of American Chemical Society meeting in Atlanta, March 26-30
...when ultraviolet light reacts with desert soils or titanium
dioxide (a common ingredient in sand). The finding may account for a portion of the natural perchlorate occurring throughout the desert southwest, the scientists say. ( AGRO 78 , Wednesday, March 29, 1:30 p.m., Georgia World Congress Center, Room C10...
A bathroom that cleans itself
...als, a research team is studying tiny particles of titanium
dioxide currently used on outdoor surfaces such as...rganic compounds. And because surfaces coated with titanium
dioxide have another property called 'superhydrophilicity' -- meaning droplets do not form -- wate...
Bare metal stents deliver gene therapy to heart vessels with less inflammation in animal studies
...rthopedic pins and rods, pacemaker electrodes, and titanium
tooth implants. "The results of our study may have broader implications for other diseases in which implantable medical devices may be used to deliver gene therapy," said Dr. Levy. Dr. Levy's co-authors included Ilia Fishbein, M.D., Ivan S. Alferiev,...
New biomimetic process used to grow artificial bone for better implants and prosthetics
...lae facial prostheses, which are typically made of titanium
or cobalt alloys the apatite layer deposited on th...SBF concentration on the apatite formation between titanium
and cobalt alloys. They found the process to be more effective on the titanium
alloys than results f...
Study: Nanotech processing 'greener' than oil refining
... while the scores for buckyballs, quantum dots and titanium
dioxide were comparable to the operations risks of making silicon wafers and car batteries. The normal operations risks associated with plastics and petroleum refining were greater than those for any nanomaterial. For all of the nanomaterials except ...
Secrets of the deep may hold key to life on other planets
...f hydrothermal animals have already been placed in titanium
mesh cages at hydrothermal vent sites 3.5km down in the ocean. Dr Little will return to these sites in the East Pacific Rise off the coast of South America over the next three years to examine the fossilisation process....
Hygienic surfaces, biocidal and self-cleaning coatings
... specific nanoparticles: basically silver (Ag) and titanium
oxide (TiO 2 ). The development of these coatings is key mainly in sectors such as architecture and construction, textiles, heat exchangers, air conditioning circuits, hygiene-health (hospitals, schools) and food processing. The achievement of such c...