The International Chemical Congress of Pacific Basin Societies (Pacifichem 2000) will bring together scientists from 20 Pacific Rim nations to share research in ten key areas of chemistry. The congress accepted a record number of papers, with over 180 symposia planned.
Rockefeller University's centennial symposium marks a historic achievement in chemistry, recognizing research in nucleic acids and proteins as a National Historic Chemical Landmark. The university has ties to 21 Nobel laureates, including Bruce Merrifield and Paul Greengard.
The American Chemical Society is co-sponsoring a briefing on math and science teaching, focusing on improving K-12 education in the US. The briefing will discuss the recent report 'Before It's Too Late' and the National Commission on Mathematics and Science Teaching for the 21st Century's progress.
A study found that chemicals from household sources like mothballs and pesticides linger in carpeting for extended periods. The type of chemical determines how long it stays attached to the carpet, with denser materials persisting longer.
The American Chemical Society has awarded 35 Project SEED college scholarships to high school graduates from economically disadvantaged backgrounds. The scholarships are for up to $5,000 and support students who complete a chemistry course and work at a science institute under the auspices of Project SEED.
Research finds high levels of polycyclic aromatic hydrocarbons (PAHs) in lakes and reservoirs around six metropolitan areas, posing a bigger threat to aquatic life than other contaminants. PAHs from traffic do not accumulate in animals and are unlikely to affect human health.
Scientists have identified a portion of the HIV genome that remains unaffected by mutations, providing a potential therapeutic target for preventing viral spread. By blocking this site, researchers believe they can inhibit viral replication and develop a new treatment approach.
Researchers found appreciable concentrations of triphenyl phosphate in 10 of 18 brand-new video monitors, which may be a health hazard for computer users even with adequate ventilation. The compound's levels remained high after two years of working use, highlighting the potential risks of computer work.
Researchers created a triple-threat drug that takes multiple approaches to combat brain cell death associated with stroke. The drug, SUN N8075, blocks calcium and sodium channels and acts as a strong antioxidant, preventing further damage.
Researchers present innovative solutions for weight management, metal protection, and pharmaceutical advancements. A dietary supplement may help control weight, fat, and diabetes, while a new coating extends the life of metals tenfold. Additionally, a gentler form of aspirin is developed using polymers.
A new polymer material could revolutionize treatment of broken bones by speeding up healing and reducing the need for invasive surgery. The biodegradable material is designed to degrade like a bar of soap, allowing for a gradual transfer of load from the degrading polymer to the healing bone.
Researchers have found that electrolyzed water is a deadly combination for bacteria, but great for consumers, killing bacteria on fresh produce and reducing bacteria up to a million-fold. The acidity and oxidation-reduction properties of the water contribute to its effectiveness in sanitizing food surfaces.
New research highlights pesticides, agricultural runoff, and animal by-products as major contributors to the Chesapeake Bay's ecological issues. Scientists examine the impact of endocrine disrupters, copper-based pesticides, and atmospheric ammonia emissions from swine farms on marine life.
Researchers highlight pressing issues with museum plastics and space suit polymers, discussing efforts to halt deterioration. Experts also explore collaborations between chemists and curators to preserve historical artifacts for future generations.
A new polymer additive, polyisobutylene, may dramatically increase mileage and engine power with less pollution. It can produce a 10 percent increase in horsepower and a 20 percent increase in mileage.
Researchers from the American Chemical Society report that untested preservation methods are causing polymers in old paintings to fall apart, leading to cracks, yellowing, and warping. Chemists are now using computer models and simulating effects of temperature, humidity, and time to prevent irreparable damage.
Researchers discovered a striking similarity between proteins involved in early stages of Alzheimer's disease and mad cow disease using computer modeling. The study suggests a common molecular mechanism underlying the initiation stages of these neurodegenerative diseases, potentially leading to new preventive drug targets.
A potentially safer, more potent form of aspirin made from polymers called PolyAspirin could eliminate stomach irritation and other side effects. The polymer-based drug consists of linked aspirin molecules that break down in the intestine, allowing for efficient delivery and reduced side effects.
A research team at Johns Hopkins University has designed four different versions of vitamin D and tested them on mice, showing that one candidate can reduce tumor incidence by 28% and number of tumors by 63%. The results demonstrate the potential effectiveness of a chemically modified version of vitamin D in preventing cancer.
Chemist L.C. 'Bud' Rubens of Midland, Mich., is recognized for his groundbreaking work on gaseous blowing agents and their role in creating polymer foams with unique properties. He has obtained 58 U.S. patents and continues to be an active consultant at 80 years old.
Researchers have created nanodecoy cells that can bind to viruses with sialic acid receptors, preventing them from infecting actual cells. This decoy approach could be used as a drug or on mucosal surfaces to defend against biological warfare agents, and has shown promising results in laboratory testing.
Researchers add antioxidants to plastic wrap, extending beef shelf life by two to three days. Synthetic antioxidants show significant increase, while natural antioxidants have minimal effect.
Researchers at the University of Florida have developed a new treatment method using carbon dioxide to eliminate bacteria from fresh fruit juice, preserving its flavor and appearance. The process is as effective as heat pasteurization in reducing pathogens, but without the undesirable taste change.
Researchers have discovered that naturally occurring microorganisms can reduce the severity of scab disease, a fungal disease costing US farmers over $3 billion annually. The approach, known as microbial spray, increases naturally occurring bacteria in crops close to harvesting time, reducing the need for chemical fungicides.
Two human studies suggest CLA may help overweight individuals lose weight and fat, maintain weight loss, retain lean muscle mass, and control adult-onset diabetes. In one study, participants experienced a statistically significant reduction in body fat gain with no serious side effects.
A new plastic coating called polyaniline has been discovered that can prevent rust and corrosion in metal structures, lasting up to 10 times longer than traditional coatings. This polymer-based coating reacts with iron and steel to create an organic metal that halts corrosion.
Researchers found unexpectedly high levels of ammonia in the exhaust of gasoline-powered cars on a southern California freeway ramp. The study suggests that cars are adding twice as much ammonia to the air as livestock do, with a small share of vehicles producing most of the pollution.
Researchers discovered growth hormone inhibitor octreotide, treating acromegaly and gastroenteropancreatic tumors. The drug has also shown promise in preventing eye damage in patients with type I diabetes.
The Ovshinskys will be designated one of 12 Heroes of Chemistry by the American Chemical Society for their development of better batteries for electric cars and roof shingles that convert sunlight to electricity. They are also working on making use of hydrogen as fuel practical and affordable.
M. David Francis, an Ohio-based physical biochemist, received a national award from the American Chemical Society for his pioneering work on fluoride additives in toothpaste and pharmaceuticals.
Raman Venkatesh, a chemical engineer from Pittsburgh, has developed a self-contained system called ISEP that removes perchlorate and nitrate from drinking water. The technology is cost-effective, safe, and fits into existing water-treatment plants, improving access to clean drinking water for communities.
In 1975, medicinal chemists Miguel A. Ondetti and David W. Cushman designed captopril, the first of an innovative class of drugs controlling high blood pressure and heart disease.
Two Connecticut chemists and their Croatian colleagues have been honored by the American Chemical Society for discovering a new and unusual kind of antibiotic. The team's work on azithromycin has led to the development of a commercially viable oral antibiotic that kills a broad spectrum of microbes, including those causing chlamydia.
A Swiss research team led by Peter Buehlmayer has discovered valsartan, a drug controlling high blood pressure without side effects. The team's work has improved the lives of millions worldwide, offering hope for those affected by hypertension.
Damodar Pai, John Yanus, and Milan Stolka developed a new photoconductor made from small molecules that turns light into an electrically charged template with near-perfect efficiency. Their innovation led to practical commercial devices for home and office use, making laser printers more durable and affordable.
Researchers found high levels of ammonia in vehicle exhaust due to catalytic converter usage. Ammonia contributes to the formation of small airborne particles, a concern for human health.
The median annual salary for chemists increased by 3% to $70,000, with industry paying the most. However, women chemists earn significantly lower salaries and have limited job opportunities.
Canadian researchers developed a method to steer proteins to bone, where they can accumulate and help build bone mass. Additional research is needed to determine the effectiveness of these proteins in growing bone tissue.
Researchers have discovered a potent antioxidant in beer, specifically the compound xanthohumol found in hops, which has been shown to be six times more effective than antioxidants in citrus fruits and four times more effective than those in soy products. The study suggests that drinking beer may help prevent certain diseases such as h...
Professor Al Hazari, a University of Tennessee educator, has been recognized by the American Chemical Society for his dedication to enhancing science appreciation. He implemented a successful K-12 outreach program, attracting major corporate and sponsorship support.
Chemist Ned A. Porter of Vanderbilt University has discovered how free radicals attack molecules in the body, a process that may be critical to the development of arterial plaque and heart attacks. His work also reveals that antioxidants like vitamins C and E can affect and stop this reaction.
John Bercaw, a Pasadena chemist, has developed more precise catalysts to make plastics and other polymers. He will receive the 2000 Arthur C. Cope Scholar Award from the American Chemical Society.
Chemist Albert Padwa receives Arthur C. Cope Scholar Award for developing fundamental techniques to streamline drug synthesis. He aims to make potential drugs with elegance, high efficiency, and minimal steps.
Eric T. Kool, a Stanford University professor, has developed a new understanding of how enzymes make copies of DNA by surrounding the double-stranded molecule and using it as a template. He aims to apply this technique to genetic therapy to inhibit genes linked to inherited diseases.
Jonathan Ellman, a professor of chemistry at UC Berkeley, will receive the 2000 Arthur C. Cope Scholar Award for his groundbreaking work in combinatorial chemistry, which enables the rapid design and testing of large families of molecules with potential therapeutic applications.
Swager's innovative use of active plastics has led to the development of a highly sensitive plastic landmine detector, outperforming even trained dogs. His research also focuses on creating molecular wires with conductive molecules and insulation.
Chemist David L. Van Vranken receives Arthur C. Cope Scholar Award for his studies of protein reactivity patterns, which have led to the development of new drugs targeting cancer and other diseases. His research has also shed light on the effects of aging and environmental factors on proteins in the body.
David A. Evans, an organic chemist at Harvard University, will receive the 2000 Arthur C. Cope Award for his work on developing fundamental chemistry to assemble building blocks and control molecule three-dimensionality. He hopes to improve and modify vancomycin biosynthesis to build more potent or side-effect-free analogs.
Representatives from over 20 organizations, including universities and government labs, will share their latest technology innovations at the fair. The event aims to facilitate collaboration between innovators and potential investors or producers.
The American Chemical Society is hosting a master class on the chemistry of dietary supplements, shedding light on new findings about quality control and herbal treatments. The class will feature experts discussing conjugated linoleic acid, Ginkgo biloba products, and collaborations with native healers.