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American Chemical Society News
Laser-irradiated Coating Augments Nonsurgical Treatment of Obesity
WASHINGTON, D.C., April 19, 2022 — A multi-institutional research team in South Korea has enhanced the existing functionality of appetite-suppressing implants in the stomach with photodynamic therapy, coating such an implant with light-activated dye that kills cells that produce ghrelin, known as the “hunger hormone.” The researchers used and coated intragastric satiety-inducing devices, or ISDs in the work. The researchers in the current work designed and introduced these implants in 2019. Appetite-suppressing
Sensor Uses Protein to Detect Rare-Earth Element in Nontraditional Sources
STATE COLLEGE, Pa., Sept. 1, 2021 — A luminescent sensor developed at Penn State can detect the rare-earth element terbium, from complex environmental samples like acid mine waste. The sensor takes advantage of a protein that specifically binds to rare-earth elements. According to...
Liquid Crystals Could Help Protect Against Laser Pointer Attacks
ROMEOVILLE, Ill., April 1, 2019 — Liquid crystals could someday be used to help deflect laser pointer attacks on aircraft, regardless of the wavelength used in the attack. According to the Federal Aviation Administration, 6,754 laser strikes on aircraft were reported in 2017. The...
Mid-IR Lens Incorporates Waste Sulfur
TUCSON, Ariz., April 21, 2014 — Thin, inexpensive plastic lenses for IR imaging devices can be manufactured from waste sulfur generated by refining fossil fuels.
From bike reflector to virus detector
Jun 1, 2013 — You see them on spokes, sneakers, safety vests and signs, but now retroreflectors are taking on even more protective roles: detecting bioterrorism agents. “In the most likely kind of attack, large numbers of people would start getting sick...
Single sensor improves detection selectivity
CINCINNATI – A sensor that combines electrochemistry, spectroscopy and selective partitioning capabilities into one device has been developed and tested for components in nuclear waste. Unusual in that it offers more than two modes of selectivity, the highly...
Ultrafast Imaging Pioneer Wins Priestley Medal
ANAHEIM, Calif., April 4, 2011 — Ahmed H. Zewail has been awarded the 2011 Priestley Medal, the highest honor bestowed by the American Chemical Society. Zewail, who is a Nobel laureate in chemistry and the Linus Pauling Professor of Chemistry and professor of physics at the...
CZTSSe solar cell shows realistic potential for commercialization
Feb 1, 2011 — Scientists at Purdue University in West Lafayette, Ind., have developed a thin-film solar cell from Earth-abundant materials. They say that their CZTSSe solar cell, which is made from CZTS nanocrystals, could provide a cost-friendly alternative to...
Camera Images Invisible Blood
COLUMBIA, S.C., Dec. 2, 2010 — Chemists at the University of South Carolina have developed a camera that can image blood that is otherwise unseen by the naked eye, which could significantly impact forensic science. The new technology, called multimode imaging in the thermal...
Leti Advance Enables More Efficient Optoelectronics
GRENOBLE, France, Oct. 27, 2010 — CEA-Leti, a European research and development institute in the field of silicon photonics technology, announced that it has demonstrated the efficient integration of silicon photonic devices with fully complementary metal-oxide semiconductor...
ACS Honors Ultraslow-Motion Pioneer
WASHINGTON, August 13, 2010 — Ahmed H. Zewail, 1999 Chemistry Nobel laureate and Linus Pauling Professor of Chemistry & Professor of Physics at the California Institute of Technology, has been named winner of the 2011 Priestley Medal by the American Chemical Society (ACS)....
LEDs, Tea Better Than Botox?
ULM, Germany, Sept. 10, 2009 – A new noninvasive technique for treating facial wrinkles by combining high-intensity LED light and a lotion made of green tea extract could become an alternative to Botox and cosmetic surgery. The new treatment works 10 times faster than a similar...
Imaging Reveals Hidden Art
WASHINGTON, Aug. 20, 2009 – The use of a new x-ray imaging technique to reveal, for the first time in a century, unprecedented details of a painting hidden beneath another painting by famed American illustrator N.C. Wyeth was reported to the American Chemical Society.
Big Boost for Blue OLEDs
SALT LAKE CITY, March 23, 2009 – Researchers at Pacific Northwest National Laboratory reported that they have designed, synthesized and tested new , more efficient host materials for blue phosphorescent organic LEDs that improve the power efficiency of such OLEDs by at least 25...
Nanospheres ‘Cook’ Cancer
SALT LAKE CITY, March 23, 2009 – By attaching a short peptide to hollow gold nanospheres, researchers at the University of California, Santa Cruz, developed a way for the particles to seek out and “cook” cancer cells.
Pittcon Adds Nano Symposia
CHICAGO, Feb. 23, 2009 – Fifty-five symposia, more than 100 short courses, 15 workshops, 111 oral sessions, 80 poster sessions and 14 new product forums will be featured during the 60th annual Pittsburgh Conference and Exposition on Analytical Chemistry and Applied...
Pittcon Adds Nanotech Symposia
CHICAGO, Feb. 23, 2009 -- More than 20,000 attendees are expected at Pittcon 2009, the 60th annual Pittsburgh Conference and Exposition on Analytical Chemistry and Applied Spectroscopy. The event will feature 55 symposia, over 100 short courses, 15 workshops, 111 oral...
Wings Inspire Solar Cells
SHANGHAI, China, Feb. 5, 2009 -- The discovery that butterfly wings have scales that act as tiny solar collectors has led scientists in China and Japan to design a more efficient solar cell that could be used for powering homes, businesses, and other applications in the future....
Francisco Named President-elect of American Chemical Society
Nov 17, 2008 — Joseph S. Francisco, the William H. Moore distinguished professor of chemistry at Purdue University, has been named president-elect of the American Chemical Society, the world's largest scientific society. Francisco will be president-elect in 2009...
Light Powers Nanobrake
TAIPEI, Taiwan, May 27, 2008 -- A tiny light-powered "molecular brake" that works at room temperature has been developed by researchers in Taiwan and could be used to stop future nanomachines on demand. Jye-Shane Yang, PhD, a professor at National Taiwan University, and his...
Mass Spectrometrist Burnaby Munson Named AIC Chemical Pioneer
Mar 10, 2008 — University of Delaware (UD) mass spectrometrist Burnaby Munson, PhD, has been named a 2008 Chemical Pioneer by the American Institute of Chemists (AIC), the university announced. The award will be presented May 16 at the Chemical Heritage Foundation...
Surface Repels Most Liquids
MADISON, Wisc., Feb. 5, 2008 -- The surface of a new material repels virtually all liquids, then absorbs them when a jolt of electricity is applied. Made of tightly packed nanostructures resembling tiny nails, the material could be used in biomedical applications such as...
DNA Controls Nanoparticles
UPTON, N.Y., Aug. 23, 2007 -- DNA, the molecule that carries life’s blueprint, is being used to control the size of nanoparticles and the speed at which they form. Learning how to tailor their assembly could lead to the creation of nanoparticles for more efficient energy...
‘Smart’ Lenses Change Color on Demand
WASHINGTON, April 9, 2007 -- ‘Smart’ sunglasses will allow a wearer to instantly change the color of their lenses to any hue of the rainbow by tuning a tiny electronic knob in the frame. "Through polymer chemistry, we’ve developed lenses that aren’t like...
‘Smart’ Sunglass Lenses Change Color on Demand
WASHINGTON, April 9, 2007 -- ‘Smart’ sunglasses will allow wearers to instantly change the color of their lenses to any hue of the rainbow almost instantly by tuning a tiny electronic knob in the frame. "Through polymer chemistry, we’ve developed lenses that...
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May 2024
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