http://phys.org/chemistry-news/chemistry-other/ en-us PhysOrg Team Phys.Org provides the latest news on composition, structure, and properties of matter Many pharmaceutical companies in a new survey are making progress in embracing the guiding principles of green chemistry, which seek to minimize the use of potentially hazardous substances in producing medications, reduce the generation of waste and operate in other environmentally friendly ways. That's the conclusion of the cover story in the current edition of Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society (ACS), the world's largest scientific society. http://phys.org/news257680590.html Chemistry - Other 2012-05-31T10:56:36-07:00 (Phys.org) -- Cooking exhaust hoods designed for home kitchens vary widely in their ability to capture and vent away the air pollutants generated by the gas burners on cook stoves, according to a study by two Lawrence Berkeley National Laboratory (Berkeley Lab) scientists. Of seven representative devices they tested, the capture efficiency varied from less than 15 percent to more than 98 percent. http://phys.org/news257663056.html Chemistry - Other 2012-05-31T06:40:01-07:00 Researchers have delved into the dynamics of vapour condensation on surfaces. Project outcomes have potential commercial applications to a variety of fields. http://phys.org/news257587239.html Chemistry - Other 2012-05-30T09:20:03-07:00 Klas Tybrandt, doctoral student in organic electronics at Linkoping University, Sweden, has developed an integrated chemical chip. The results have just been published in Nature Communications. http://phys.org/news257515953.html Chemistry - Other 2012-05-29T13:13:01-07:00 (Phys.org) -- A Sandia National Laboratories technology has been used to remove radioactive material from more than 43 million gallons of contaminated wastewater at Japan’s damaged Fukushima Daiichi nuclear power plant. Sandia researchers had worked around the clock following the March 2011 disaster to show the technology worked in seawater, which was pumped in to cool the plant’s towers. http://phys.org/news257500164.html Chemistry - Other 2012-05-29T08:49:38-07:00 Growing demand among baby boomers and others for "enhanced cosmetics" that marry cosmetics and active ingredients to smooth wrinkled skin and otherwise improve appearance is fostering research on micro-capsules and other technology to package those ingredients in creams, lotions and other products. That boom in research on encapsulation and other delivery technology is the topic of the cover story in the current edition of Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society (ACS), the world's largest scientific society. http://phys.org/news256394379.html Chemistry - Other 2012-05-16T13:39:49-07:00 A quiet revolution is taking place in the fields of biology and chemistry. Microfluidic devices, which allow fluid manipulation in micro-scale channels, are slowly but surely finding their place on the lab bench. A new microfluidic device can operate as a mixer or a valve, improving the efficiency of micro-scale laboratory apparatus. http://phys.org/news255856104.html Chemistry - Other 2012-05-10T09:10:01-07:00 When the Department of Defense (DoD) wants to build a jet engine, it doesn’t put a team of engineers in a hangar with a block of metal and some chisels.  Jet engines are made up of individual components that are carefully assembled into a finished product that possesses the desired performance capabilities.  In the case of thin-film deposition—a process in which coatings with special properties are bonded to materials and parts to enhance performance—current science addresses the process as though it is attempting to build a jet engine from a block of metal, focusing on the whole and ignoring the parts.  Like a jet engine, the thin-film deposition process could work better if it was addressed at the component level. http://phys.org/news254735057.html Chemistry - Other 2012-04-27T08:45:12-07:00 (Phys.org) -- A new 3D printing process developed at the University of Glasgow could revolutionise the way scientists, doctors and even the general public create chemical products. http://phys.org/news253771229.html Chemistry - Other 2012-04-16T05:01:04-07:00 When designing the tiniest of possible machines, scientists have had far more success in creating molecular-size brakes than accelerators. But a team at the University of South Carolina has figured out how to really hit the gas pedal. http://phys.org/news253446804.html Chemistry - Other 2012-04-12T10:53:43-07:00 During the massive oil spill from the ruptured Deepwater Horizon well in 2010, it seemed at first like there might be a quick fix: a containment dome lowered onto the broken pipe to capture the flow so it could be pumped to the surface and disposed of properly. But that attempt quickly failed, because the dome almost instantly became clogged with frozen methane hydrate. http://phys.org/news253374294.html Chemistry - Other 2012-04-11T15:30:01-07:00 University of Alberta researcher Nicole Burt took up an odd moonlighting job to further her research. She became a surrogate tooth fairy. http://phys.org/news252918988.html Chemistry - Other 2012-04-06T08:16:36-07:00 In new research published in the April Journal of Food Science, analyses of the first known public database compiling reports on food fraud and economically motivated adulteration in food highlight the most fraud-prone ingredients in the food supply; analytical detection methods; and the type of fraud reported. Based on a review of records from scholarly journals, the top seven adulterated ingredients in the database are olive oil, milk, honey, saffron, orange juice, coffee, and apple juice. http://phys.org/news252856298.html Chemistry - Other 2012-04-05T14:51:57-07:00 Efforts are underway to develop a more environmentally friendly process for dyeing denim with indigo, the storied "king of dyes," used to the tune of 50,000 tons annually to color cotton blue jeans and hundreds of other products. That effort is the topic of an article in the current edition of Chemical & Engineering News (C&EN). C&EN is the weekly newsmagazine of the American Chemical Society (ACS), the world's largest scientific society. http://phys.org/news252761053.html Chemistry - Other 2012-04-04T12:24:27-07:00 Scientists and food industry experts are hatching a plan this Easter to turn egg shells into plastics that could be used to manufacture anything from food packaging to construction materials. http://phys.org/news252722996.html Chemistry - Other 2012-04-04T01:50:06-07:00 Comvita, the New Zealand-based global exporter of natural health and beauty products, and collaborators have identified key compounds in honey that stimulate the immune system, paving the way for a range of new wound-healing products. http://phys.org/news252231706.html Chemistry - Other 2012-03-29T09:21:53-07:00 Amid concerns about possible terrorist attacks with nuclear materials, and fresh memories of environmental contamination from the 2011 Fukushima Daiichi nuclear disaster in Japan, scientists today described development of a capsule that can be dropped into water, milk, fruit juices and other foods to remove more than a dozen radioactive substances. http://phys.org/news252123776.html Chemistry - Other 2012-03-28T03:23:17-07:00 Some of the flame retardants added to carpets, furniture upholstery, plastics, crib mattresses, car and airline seats and other products to suppress the visible flames in fires are actually increasing the danger of invisible toxic gases that are the No. 1 cause of death in fires. That was the finding of a new study presented here today at the 243rd National Meeting & Exposition of the American Chemical Society (ACS). http://phys.org/news252072197.html Chemistry - Other 2012-03-27T13:03:25-07:00 U.S. Department of Agriculture (USDA) researchers with the Beltsville Human Nutrition Research Center in Beltsville, Md., design, develop and improve analytical methods for measuring nutritional components in the food supply. The Beltsville center is part of the Agricultural Research Service (ARS), USDA's principal intramural scientific research agency. http://phys.org/news252056285.html Chemistry - Other 2012-03-27T08:38:14-07:00 A preservative in toothpastes, hand soaps, underarm deodorants and other everyday products is getting a second life, helping crime scene investigators preserve evidence of arson, scientists reported here today at the 243rd National Meeting & Exposition of the American Chemical Society (ACS). http://phys.org/news251956930.html Chemistry - Other 2012-03-26T05:30:01-07:00 A new study of the composition of pine nuts, including those associated with "pine mouth," leaves unsolved the decade-old mystery of why thousands of people around the world have experienced disturbances in taste after eating pine nuts. The report on pine nuts or pignolia — delicious edible nuts from pine trees enjoyed plain or added to foods ranging from pasta to cookies — appears in ACS' Journal of Agricultural & Food Chemistry. http://phys.org/news250957257.html Chemistry - Other 2012-03-14T15:21:43-07:00 With spring planting season on the horizon, scientists are planting the seeds of healthier oils for cooking French fries, fried chicken and other fried items prepared in restaurants and other settings in the foodservice industry. Those seeds of new types of heart-healthy soybean, canola and sunflower oils are the topic of an article in the current edition of Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society, the world's largest scientific society. http://phys.org/news250957114.html Chemistry - Other 2012-03-14T15:19:42-07:00 The marine nutraceutical industry is booming in Europe and Asia, and it has taken off in recent years in Canada as well. While the industry is still in its infancy in the United States, University of Rhode Island researcher Chong Lee says that with a little federal research support, it could become a growth industry. http://phys.org/news250855058.html Chemistry - Other 2012-03-13T10:57:47-07:00 Traditional drug manufacturing is a time-consuming process. Active pharmaceutical ingredients are synthesized in a chemical manufacturing plant and then shipped to another site, where they are converted into giant batches of pills. Including transport time between manufacturing plants, each batch can take weeks or months to produce. http://phys.org/news250754388.html Chemistry - Other 2012-03-12T07:20:01-07:00 It looks like a cutlet, it's juicy and fibrous like a cutlet, and it even chews with the consistency of a real cutlet -- but the ingredients are 100 percent vegetable. Researchers are using a new method to prepare a meat substitute that not only tastes good, but is also environmentally sustainable. http://phys.org/news250261033.html Chemistry - Other 2012-03-06T12:57:22-07:00 Researchers from the University of the Basque Country (UPV/EHU, Spain) have been the first to discover the presence of certain aldehydes in food, which are believed to be related to some neurodegenerative diseases and some types of cancer. These toxic compounds can be found in some oils, such as sunflower oil, when heated at a suitable temperature for frying. http://phys.org/news249133132.html Chemistry - Other 2012-02-22T11:39:00-07:00 Food scientists have found a way of measuring how we register the saltiness of crisps which could lead to new ways of producing healthier crisps — without losing any of the taste. The research by scientists at The University of Nottingham could lead to significant salt reduction in all snack foods. http://phys.org/news248689569.html Chemistry - Other 2012-02-17T08:26:23-07:00 Sandia's decontamination foam, developed more than a decade ago and used to decontaminate federal office buildings and mailrooms during the 2001 anthrax attacks, is now being used to decontaminate illegal methamphetamine labs. http://phys.org/news248610628.html Chemistry - Other 2012-02-16T10:32:28-07:00 The technology that Google uses to analyze trillions of Web pages is being brought to bear on the way molecules are shaped and organized. http://phys.org/news248376504.html Chemistry - Other 2012-02-13T17:28:32-07:00 In this video Dr Ingrid Graz shows us a thin layer of gold on top of rubber. Cracks in the gold allow it to stretch and we can use this for stretchable electronics. http://phys.org/news248085035.html Chemistry - Other 2012-02-10T08:31:36-07:00