Researchers found high concentrations of BDEs in peregrine falcon eggs, suggesting the deca formulation may not be harmless. The study's findings add to concerns about the safety of BDEs and their potential impact on wildlife.
A recent study by the American Chemical Society found that MTBE alternatives pose a similar environmental threat to their predecessor, with TBA contamination occurring at a scale similar to MTBE. The researchers suggest that better storage tank design and leak detection techniques can prevent such threats.
Researchers have demonstrated that carbon nanotube transistors can enhance electrical signals, potentially improving performance of consumer electronic devices. The discovery is based on the principle of stochastic resonance, which claims that noise can improve signal detection.
A new silicon sensor using nanotechnology has shown promising results in detecting the gene for cystic fibrosis and other genetic diseases. The sensor can distinguish between lethal and non-lethal mutations at extremely low levels, potentially leading to faster and more cost-effective genetic testing.
Researchers found that smaller bubbles in champagne release more flavor and aroma molecules, creating a better-tasting wine. The study suggests that dissolved salts, carbohydrates, and minerals play a major role in bubble formation.
A recent study found no change in methylmercury levels in yellowfin tuna over a 27-year period, suggesting that high mercury levels in these fish may not be caused by pollution. The research suggests that natural sources, such as hydrothermal vents and deep ocean sediments, could be responsible for the mercury accumulation.
A study by researchers at the University of Guelph found that black beans have the highest antioxidant activity among common varieties of dry beans. The levels of anthocyanins, a type of antioxidant, were 10 times higher in black beans compared to oranges and similar to those found in grapes, apples, and cranberries.
Experts K. Eric Drexler and Richard E. Smalley disagree on the possibility of molecular assemblers, devices that can precisely manipulate atoms and molecules. Drexler proposes guiding chemical synthesis with reactive molecules, while Smalley questions the feasibility of such devices.
A new study published in Analytical Chemistry challenges the idea that the Vinland Map is a medieval forgery, instead suggesting that its ink composition supports its authenticity. The research finds that the map's ink contains elements consistent with medieval production methods, raising doubts about the possibility of forgery.
Researchers found that buckwheat extract can reduce blood glucose concentrations in rats with chemically-induced diabetes by 12-19%, suggesting its potential as a management aid. The active component chiro-inositol may play a role in this effect, although further studies are needed to confirm the results.
Recent research findings highlight the health benefits of traditional Thanksgiving dishes such as cranberries, which can aid recovery from stroke, and may protect brain cells. Antioxidant-rich foods like hot cocoa tops both red wine and tea in cancer-fighting compounds.
Researchers have developed a method to apply nanowires to glass or plastics at room temperature, enabling the production of efficient computer chips and optical displays. This breakthrough could lead to durable consumer electronics and advanced military applications.
Cocoa has been found to have the highest antioxidant content among hot water-based beverages, surpassing red wine and green tea. A study comparing the total antioxidant content of these drinks revealed that hot cocoa contains almost twice as many antioxidants as red wine and up to five times more than black tea.
The chemical capsaicin in peppers has been found to stimulate circulation, trigger pain relief, and even ease arthritis symptoms. It is also used in repellent sprays, marine coatings, and various drugs.
A new handheld sensing device, called the 'dog-on-a-chip,' can detect cocaine in real-time, reducing time between seizures and lab analysis. The device uses monoclonal antibodies to differentiate between similar molecules, providing an advantage over canine sniffers.
Researchers at Lawrence Berkeley National Laboratory and NASA have developed a process to convert inedible wheat grass into activated carbon, absorbing nitrogen oxides and producing fertilizer. This technology could support a crew of six astronauts on a three-year Mars mission by recycling waste and conserving materials.
Researchers have discovered that smaller protein structures called protofibrils are more toxic to cells than mature fibrils in type II diabetes and other age-related diseases. The study suggests that targeting earlier stages of protofibril formation may be a more effective approach to developing treatments.
Researchers propose an international treaty to control air pollutants like ozone and aerosols, which can cause respiratory diseases. The treaty aims to unite countries in addressing short-term health risks while also reducing carbon dioxide emissions.
Researchers identified a specific anticancer compound, methylpyridinium, in coffee with strong antioxidant content, suggesting it may offer protection against colon cancer. Drinking coffee, especially strong espresso-type brews, could provide some level of protection.
Researchers found that Canadian forest fires can cause large pulses in atmospheric mercury levels, affecting regions like the northeastern US. The study estimated annual emissions from Canadian forests and worldwide boreal forest fires, suggesting a significant impact on mercury levels.
A new analytical technique allows archaeologists to accurately date pottery and associated artifacts, resolving issues with organic material dating. The method involves extracting lipids from pottery fragments and radiocarbon dating them, providing a more reliable way to classify archaeological sites.
Consuming foods containing trans fatty acids raises LDL cholesterol and the risk of coronary heart disease. Manufacturers can create these unhealthy fats by hydrogenating unsaturated oils, making them artery-cloggers.
Lee Marek, a renowned Chicago chemist, has been awarded the Helen M. Free Award by the American Chemical Society for his outstanding contributions to public outreach in chemistry. His work includes chemistry demonstrations on TV, radio, and stage shows, as well as leading workshops and courses around the world.
Experts from USDA, Texas A&M University, and the National Food Processors Association will present on strategies to protect America's agriculture and food supply from terrorism and biological threats. Initiatives include improved communication, rapid detection, and emergency response planning to prevent outbreaks and ensure food security.
The American Chemical Society's 80th anniversary issue highlights the Periodic Table of Elements, exploring its role in everyday life and containing pertinent technical information. The special issue features essays from Nobel Prize winners, industry experts, and authors who helped discover elements.
Researchers found that cranberry extract can significantly reduce brain cell death after a simulated stroke. The study suggests that consuming cranberries may aid in recovery from stroke, particularly in its earliest stages.
Researchers have developed a hydrophobically modified hydrogel that could restore accommodative ability and enable individuals to focus on near and far objects. The material is soft and viscoelastic, similar to the natural human lens, and has the potential to be injectable, reducing invasive surgery.
Scientists at the University of California, Davis have identified saponins in red wine as a potential cholesterol fighter. Saponins are found to contain higher levels in red wine than white wine and may work by binding to and preventing the absorption of cholesterol.
Researchers develop a lotion made from green tea polyphenols that can help prevent the formation of non-melanoma skin tumors and delay or block the skin's response to UV light. The treatment, designed for topical application after sun exposure, has shown promise in reducing the risk of skin cancer.
Researchers have developed a new test, called conformation-dependent immunoassay (CDI), that can detect prion proteins with 100% accuracy at smaller levels than conventional tests. The CDI test can also be used to identify infected animals before they show symptoms, potentially ending the practice of slaughtering entire herds.
A new study suggests that black cohosh can effectively reduce hot flashes and other menopausal symptoms by binding to serotonin receptors in the brain. The herb is found to have no estrogenic effects, making it a potentially safer alternative to traditional hormone replacement therapies.
The American Chemical Society is honoring a high school chemistry teacher for his exceptional mentoring skills and commitment to the ACS Scholars Program. The program has provided scholarships to 28 students from Puerto Rico who took Mr. Fonseca's chemistry class, with some going on to win national awards.
Silverman's research focuses on inhibiting an enzyme that produces nitric oxide, a compound linked to high blood pressure, stroke, and neurological diseases. His work aims to block the overproduction of nitric oxide in the brain without affecting its normal function.
Kende has won the Arthur C. Cope Scholar Award for his work on rearrangement reactions, including discovering how dioxins relate to their toxic effects. He also recreated autoinducers, chemical signals that activate bacteria's growth or attack on the body.
A New York chemist has made groundbreaking discoveries in synthesizing molecules, including pharmaceuticals, using a novel approach. His research reveals the importance of controlling the 'handedness' of compounds and introduces new reactions using pseudoephedrine.
Chicago chemist Milan Mrksich has won a national award for his research on how cells communicate with the matrix proteins that anchor them to surfaces. His approach involves dissecting the complex system and creating simple mimics of the matrix to study in controlled experiments.
Researchers Robert Young, Robert J. Zamboni and Marc Labelle recognized for developing commercial products that improve children's health and wellness with Singulair asthma treatment.
A renowned chemist has won a prestigious award for his groundbreaking work on creating molecules found in nature, including lapidilectine B. He developed a new method to build nitrogen ring structures and successfully recreated the molecule step-by-step in the laboratory.
Teams from Abbott, Merck, Pfizer, and Wyeth Pharmaceuticals have developed commercial products based on chemistry to improve children's health and wellness. These products include Kaletra, Singulair, Neurontin, and Prevnar, which have advanced the health and well-being of children worldwide.
Purdue University chemist Jean Chmielewski has won a national award for developing new compounds that disrupt the AIDS virus's ability to reproduce. Her approach involves creating molecular 'wedges' that block HIV proteins from binding together, promising initial results in testing with infected cells.
Seyferth's research focuses on creating new molecules through the use of organometallic compounds. He has made significant contributions to the field of organometallic chemistry, including the development of methods for synthesizing complex compounds such as drugs and adhesives.
Dr. Rawal has developed a rapid and straightforward reaction that can assemble pieces of complex molecules with high accuracy. This innovation is expected to improve the performance of anticancer drugs like vincristine, which has been used successfully in treating childhood leukemia.
Dale J. Kempf, Daniel W. Norbeck, and Hing L. Sham receive award for developing Kaletra, the first HIV protease inhibitor approved for use in children as young as six months old.
A chemist's research creates tools to make complex drugs more efficiently, with potential breakthroughs in anti-cancer treatments. His work has led to licenses for pharmaceutical companies to study promising drug candidates.
The Wyeth Pharmaceuticals team is being recognized for their role in developing the first combined pneumococcal vaccine for infants, Prevnar. The vaccine has dramatically advanced the health and well-being of children worldwide by preventing serious diseases such as meningitis, bacteremia, and pneumonia.
A renowned chemist has synthesized epothilone, a compound derived from bacteria, promising to replace taxol in treating cancer. His successful 25-step synthesis has garnered interest from pharmaceutical companies, paving the way for potential clinical trials and widespread use.
The Pfizer Inc team won the Heroes of Chemistry award for developing Neurontin, a medication controlling seizures in children. This breakthrough led to improved quality of life for many children with epilepsy, demonstrating the valuable role chemists play in improving lives.
The US team won a total of four medals, including two bronze and one silver each for Wei-Han Liu and Eric Brown. Benjamin Kaduk, Frances Hocutt also received two silvers respectively. The Chinese team earned the top spot with four gold medals.
The story of low-tech erasers begins in the 1560s with graphite sticks and evolves into crude pencils. In 1839, Charles Goodyear developed the vulcanization process to cure rubber, increasing strength, stability, and elasticity. This innovation enabled mass production of pencil erasers.
New research reveals that baby albatrosses are still eating lead-based paint chips from buildings around the island, leading to severe poisoning. The study found a high rate of droopwing chicks and potential risks for human children on the island.