NSF establishes center for biophotonics at UC Davis
...thews, director of the new center and an expert on lasers and optics at LLNL. "I can only look at cellular functions in past time. That's because scientists have to take a cell out of an organism, freeze, stain and slice it before it can be viewed under a microscope. That doesn't give a clear enough pictur...From moon rocks to space food: UH research spans 40 years
... applications such as bionic eyes, high-efficiency lasers and new sensor technology. Since 1992, the UH Cullen College of Engineering has administered an interdisciplinary graduate program in aerospace engineering that offers master's and doctoral degrees. In June, 2002, UH and five other Texas universit...Research reveals how an acid dissolves, molecule by molecule
...on using incredibly fast lasers. "Our femtosecond lasers emit very short pulses of laser light on the order of 10 to the minus 15 seconds, which is as fast as molecules vibrate," says Sean M. Hurley, a postdoctoral scholar in Castleman's lab and a co-author of the research paper. "We probe reactions betwe...Infrared antenna for nano-size mapping of crystal vibrations
...ctive development of quantum cascade semiconductor lasers for the mid-infrared spectrum could substantially boost this process. The Martinsried researchers long for obtaining such tailored infrared sources to match the phonon resonance of biological minerals....Ames Laboratory pursues new standard in sensor technology
...orescence of the sensor. Conventional sensors use lasers or inorganic light-emitting devices as light sources, but they present problems. Not only are they expensive, they are also bulky and cannot be integrated with the othersensor components. Shinar's and Kopelman's OLED/optical chemical sensor ...Physics tip sheet #4 March 13, 2002
1) Zettawatt to exawatt lasers and their applications T. Tajima and G. Mourou Phy...efore. This report suggests a path to new types of lasers with powers many orders of magnitude higher than current technology. Such a laser at extreme high in...Science's Top Ten: nanoscale computing circuits named top scientific advance of 2001
...ed this year, with an eye towards a future of atom lasers and ultraprecise measurements. Two French research teams created helium BECs for the first time, and lithium and potassium condensates also debuted. Scientists made strides in manipulating this new state of matter as well, imploding an atomic superno......cles ranging in size from 1 to 10 microns by using lasers and acoustic sensors to detect and identify microbes. In the research, laser pulses were used to excite light-absorbing substances that release energy as heat. Heat-induced solvent expansion generated sound waves, which were measured by an ultrasonic...Gulp! URI professor studies how sharks eat
...l fins also provide lift. Using fluid dynamics and lasers a technique called digital particle image velocimetry or DPIV, which measures the forces the fish places on the water, Wilga was able to see the water moving around the shark and to see that sharks swim at an angle to the flow. As part of her postdo...Chemists describe "zipper teeth" of DNA molecules -- publish results in the journal Nature
...structure." Then they hit the molecules with more lasers causing them to ionize. Next, they used spectroscopy, analysis of light shining through them to characterize the molecules. "We wanted to know how pairs bind together," said de Vries. "So we took away everything, we simplified." Watson-Crick pair......) from Hungarian and Belgian fertility experts how lasers are making it easier for embryos to implant in the... Kanyó, and colleague Dr Janos Konc, turned to lasers to give the embryo a helping hand. They use an infrared diode laser beam to make a 'tunnel' in the s...Peer review set for NTP Studies May 18
...ch is used in making solar cells, semi-conductors, lasers and photodiodes. ...Laser light from Free-Electron Laser used for first time in human surgery
...quipped to perform human operations. Conventional lasers have been used in some forms of surgery for nearly...of tissues with exceptional cleanliness. Ordinary lasers generate light in either a solid (as in ruby lasers) or a gas (carbon dioxidelasers). The FEL, howev...UB establishes institute for research on lasers, photonics and biophotonics
.... "So one part is photonics and the other part is lasers and when we combine them, the result is a far more...e looking for colorants thatcan be activated using lasers for marking and labeling, and for doing nondestructive testing of dyed materials." Within the unive......s using it could use lower power and lessexpensive lasers while being able to make much finer incisions. If successfully developed,these new fibers could significantly enhance laser surgery systems. Since Virginia Tech hasone of the few research fiber fabrication facilities in the country, it is well positi...NRC discovery allows scientists to watch the ultrafast processes of the microworld
...as one minute is to the age of theuniverse. Modern lasers can now routinely produce pulses in this range. Th...ifficult to discern what is happening. Femtosecond lasers are used asan ultrafast stroboscope to watch the molecular motions as they occur. One laserpulse sta...Conference on the chemistry of light will draw international audience to Duke
... atmosphere, the photosynthetic process in plants, lasers in biomedicine, thechemistry of photography and the use of very fast spectroscopy to study howproteins change their shapes. In one 2 p.m. Aug. 2 plenary lecture, "Phytochromes as a Molecular LightSwitch for Plants," Pill-Soon Song, Dow Chemic...Pioneering Research Could Lead To Treatment
...hemical engineering) and Michael Renn(physics) use lasers to push nerve cells taken from embryonic chicks intoposition on a glass chip. Then the embryonic cells can be teased with a glassneedle to send out connections to other nerve cells, forming a disciplinednetwork of living tissue. "You can pote...UC Scientists Search For Alternatives For Methyl Bromide
...chnology to zap food-spoiling microorganisms. "The lasers disrupt the genetic material inside certain microbes, destroying their ability to grow, reproduce and cause food to rot," said research chemist Manuel Lagunas-Solar. A working prototype should be in place in a packinghouse by the fall of 200...Scientists Finger A Molecular Kingpin In Body's Response To Cigarettes
...o had recently helped develop atechnique that uses lasers to assess gene damage while working atLitron Laboratories, suggested taking a look at the effects ofcigarette smoke, which counts dioxin-like compounds among itsconstituents. So the team set out, with funding from the NationalInstitute of Environment...