Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants
.... "This is speculation, but this could be a crude prototype of primordial photosynthesis." Wanting to know whether these organisms really lacked the PSI complex, or whether it was working undetected, the researchers investigated a key protein in the PSI complex before and after the experiments. Owens was not...... gases. The FIAT car company expects to have the prototype sensors developed by this project and installed within a million cars by the end of the decade. VDO also expect spin off technology from the project enabling them to produce pollution sensors for automated housing for disabled and elderly people....PET Project Helps Reduce Pollution Threat From Heavy Metals
...ise for what weintend to do in the field with this prototype PET installation.We think the system, by the natur...e more than one storm to determine how well thePET prototype works in the real world. The researchers mustmonitor the system for several months to see how it hol...A Drug Pump On A Computer Chip
...arch 20, 1997 -- Biomedical engineers have built a prototype drug pump the size of a contact lens, a miniature,...in sensor would have to be added later. Huffs prototype consists of a rectangular silicon chamber with one of the outer walls made of two thin layers of a t...Biosensor Is A Model For Widespread Testing Of Chemicals, Molecules
...r chemical in its surroundings. The group's prototype biosensor can detect the presence of maltose,a sug...ies of thereporter. They further re-engineered the prototype to see whether the responseof the sensor could be "tuned" to measure different levels ofmaltose. Aga...UW Smogmobile Offers Cleaner, Safer Alternative To Gas Or Electric Cars
... efficiently. The motor employed in the smogmobile prototype was built to power a winch for raising ship anchor...er Vitt and Helene DeParis have built a smogmobile prototype from a converted mail truck. The prototype musters only a fifth of a mile per gallon using the ineff...Environmental Engineers Demonstrate Effective Method For Trapping Highway Pollutants
...n forHydraulic Research (IAHR) in San Francisco. A prototype PETsystem was installed along a stretch of Interstate 75 neardowntown Cincinnati. It is the second busiest stretch ofinterstate highway in the state of Ohio. The effectiveness of the PET system varied for each specificmetal, but the overall trapping ...Jefferson Scientists Develop Botulism Vaccine
... believe that such a vaccine could be used as a prototype in developing future vaccines for other diseases such as diphtheria, whooping cough and tetanus. Eventually, they say, their discovery may lead to a range of oral vaccines that could be inserted into common foods. Lance Simpson, Ph.D., ...Pitt Researchers Construct Novel Delivery System For Gene Therapy Of Liver Disorders
... University of Pittsburgh has constructed thefirst prototype of this "car," a delivery mechanism for genes called areconstituted chylomicron remnant (RCR) that has resulted in the extendedproduction of therapeutic proteins in an animal model, according to a reportpublished in the Dec. 23 Proceedings of the Nat...Microsurgery Made More Accurate With Virtual Measuring Tool
..., the Virtual Tape Measure (VTM), was developed in prototype form to minimize the inaccuracy surgeons encounter...e interval of 0.3 to 0.6 mm. Testing shows the VTM prototype system to be an accurate and reliable tool for measuring small objects with size scales typically en...New Sensor Adds Precision To Search For Dangerous Gases
... mines. The handheld version, now in the prototype stage, can also be connected to a computer or operated independently. Miremadi is currently looking for financing to bring his products to market. "People think what they have is good enough," he says. "They n...... outside world. The Technion team constructedtheir prototype nanowire between two gold electrodes separated by a narrow gapof 12 microns, about one-tenth the width of a human hair. They synthesizedstrands of DNA that linked themselves together to form a kind of constructionscaffolding between the electrodes. S...New Sensor Will Detech Chemical And Biological Pathogens At Incredibly Small Doses
...eelectrical engineering department, to develop the prototype biosensor. To develop the new biosensor, Velandar ...at were previously undetectable. For example, the prototype biosensor detects endotoxin at a level that is 20times lower than previously achieved by other devic......2-inch steps and amble over obstacles. The prototype vehicle has powered rear wheels and two ro...e over the points where it touches the ground. The prototype will support a rider who weighs up to 60 pounds, the weight of the wheelchair itself. Kumar is refin...Liquid Crystals Light Up Simple Chemical Test
...his colleagues will report their construction of a prototype liquidcrystal assay and describe the chemical and physical principles that makeit work. Liquid crystals are a state of matter, just like the better-known statesof liquid, solid and gas. Like solid crystals, liquid crystals can bendlight and change i...Crystal Structure Of The Archaeal Chaperonin Thermosome, A Protein-Folding Machine, Determined
...ionship they fall into two distinct groups. The prototype of group I chaperonins is represented by GroEL which occurs in the eubacterium Escherichia coli . Group II chaperonins are comprised of the archaeal chaperonins, e.g. the thermosome of the present study, and the eukayotic CCT which occur...U-M Engineers Win Army Grant To Build Artificial Eye
...arya's team will take two approaches to building a prototype system. Both will capture light with a variable focus lens array, and shuttle it to acomputer to process the data. The difference between the two versions will bein what happens in between. To preserve the color, the lens system could befollowed by...The Distinctive Sound Of Cholesterol
...uter, and systems engineering, has built a working prototype for Sunward Electronics of Delmar, N.Y., which has been granted a license to market the technology. The two large carotid arteries in the neck carry blood to the brain. Physicians now diagnose stenosis -- cholesterol deposits in the arteries -- by u...... center opened in 1995. The testing includes both prototype andpre-production devices. GTRI researchers have been studying the potential interactionsbetween medical devices and other equipment for more than 30 years. Woody said the devices have improved dramatically during that time. "Thirty years ago, it w...University Of Georgia Researchers Help Design Decision Support System For Forest Managers And Owners
...ting beta versions of NED, and the firstfull-scale prototype will probably be released by the end of the summer, Nutesaid....