Carolyn Bertozzi, an organic chemist at the University of California Berkeley, receives the 1999 Arthur C. Cope Scholar Award for her work on using sugars attached to cell surfaces to understand and treat diseases like rheumatoid arthritis and cancer. Her research focuses on how sugar molecules direct cell communication within tissues.
Researchers at the University of Arkansas for Medical Sciences have developed a new long-acting treatment to block the psychoactive effects of phencyclidine (PCP) in drug addicts. The therapy uses monoclonal antibodies to prevent or slow PCP entry into the brain, providing immediate protection.
Heavy drinking depletes dopamine, gamma aminobutyric acid, opioid peptides and serotonin systems, while promoting stress chemicals like corticotropin releasing factor (CRF). This imbalance leaves alcoholics vulnerable to relapse after stopping drinking.
A new drug has been discovered that can prevent the death of brain cells endangered by neurological injury or disease. The drug works by switching off the production of an inflammatory protein called cyclooxygenase-2 (COX-2), which is known to precede brain cell death in conditions of injury or disease.
Dr. Audrey Manley, Spelman College president, will discuss challenges faced by women in the 21st century, including gender biases and societal expectations. She will share strategies for dealing with these challenges and promote women's empowerment in STEM fields.
A new cotton additive with N-halamines effectively kills pathogenic and odor-causing bacteria and viruses. The treatment can be recharged by rinsing treated fabrics in a dilute bleach solution, offering a fast and cost-effective alternative to existing biocidal cottons.
A study by Mississippi researchers found that flea collars with organophosphate insecticides can release residues on dogs' fur, which can then be transferred to humans. The levels of these residues vary depending on the collar's design, and experts are urging parents to keep children away from pets when new collars are used.
Researchers have confirmed that catnip repels German cockroaches, specifically through the action of nepetalactone. The study also found that male cockroaches are more sensitive to the repellent activity than females.
A symposium on treating drug addiction will feature four new studies on the chemistry of addictions, including an antibody-based drug to prevent PCP abuse and a non-addictive medication for cocaine addicts. The research aims to understand the brain chemistry behind addiction and develop effective treatments.
Dr. John Ruffin, Associate Director of Research on Minority Health at NIH, to speak on biomedical workforce needs in the new millennium. The largest program promoting minority biomedical training and health research will be discussed.
A potential vaccine against cocaine addiction has been developed by attaching a cocaine derivative to a larger protein, inducing the immune system to create specific antibodies that attack the molecule. The research team hopes to begin human clinical trials by the end of the year.
Dr. Jeremy Knowles, Harvard University Dean, to discuss two millennia of lead toxicity at the American Chemical Society meeting in New Orleans. The speech highlights progress made on remedial action taken in recent decades.
At the American Chemical Society's national meeting, Chef John Folse and Shirley Corriher will demonstrate how chemistry can improve cooking techniques, flavors, and presentation. They will share their expertise on the chemistry of food, including topics such as Maillard reactions and emulsification.
A special symposium at the American Chemical Society meeting explores how food chemistry enhances the eating experience, delivers essential nutrients, and helps lower chronic disease risk. Chemists, food producers, and a chef will share their perspectives on biotechnology's role in tailoring foods to satisfy palates and prevent diseases.
The American Chemical Society has recognized Lawrence Carosino and team for their oil barrier technology, producing reduced-fat French fries. Carlyle Caldwell pioneered research on modified food starches, expanding preserved and frozen foods.
A study found that large doses of vitamin C can reduce levels of stress hormones in the blood and boost the immune system. Vitamin C also reduced indicators of physical and emotional stress, such as loss in body weight and enlargement of the adrenal glands.
Researchers investigate ways to prevent brain cell death, explore the role of vitamin C in stress reduction, and develop new fibers with antimicrobial properties. The study also sheds light on children's exposure to environmental contaminants and potential indicators for future health problems.
Daniel W. Armstrong, a renowned radio personality and chemistry professor, has been awarded the Helen M. Free Award for Public Outreach by the American Chemical Society. His weekly radio show, We're Science, promotes better understanding of science and technology in daily life, reaching over 70 million people worldwide.
A special news briefing will be held on August 23rd to discuss the latest research on children's environmental health risks. The symposium, part of the American Chemical Society meeting, features a panel of experts who will share their findings on the dangers of chemicals in the environment and pet products.
Four experts will discuss their findings on the chemistry of addictions involving cocaine, alcohol, and PCP at a news briefing. The experts will provide insights into the underlying mechanisms and potential treatments for these addictions.
Thomas Holme, a chemistry professor and TV personality, receives the Helen M. Free Award for Public Outreach from the American Chemical Society for his efforts to increase public awareness of chemistry through TV appearances and local activities. His segments air on WTMJ-TV, reaching an audience of over 200,000 viewers since 1995.
Jeff Wheelwright, a renowned environmental writer, has won the American Chemical Society's James T. Grady-James H. Stack Award for Interpreting Chemistry for the Public. His work aims to ease public fears about chemicals in the environment and promote understanding of chemistry.
Andrew Hamilton, an organic chemist at Yale University, is being honored with the American Chemical Society's Arthur C. Cope Scholar Award for his work on designing molecules that can control cell growth in cancer treatment. His research focuses on targeting a protein called Ras, which accounts for over 30% of all cancers.
The American Chemical Society's national meeting will feature discussions on topics such as environmental health risks, antibiotic resistance, and the origin of elements in the solar system. More than 5,600 papers are scheduled for presentation to an expected 12,000 scientists.
Breakthroughs in self-assembly and supermaterials could lead to extraordinary applications such as artificial body parts, ultraresistant coatings, and high-definition television screens. Five experts will share their discoveries that could jump-start new marvels in materials technology.
Dr. Jack Stocker discusses his new book, Chemistry and Science Fiction, at the American Chemical Society's national meeting. The presentation highlights the relationship between science and its depiction in science fiction, a common theme in works like Star Wars and Star Trek.
The symposium aims to examine the structure of vancomycin and its potential weaknesses. Researchers will discuss various strategies for preventing the spread of antibiotic-resistant strains.
The International Chemical Congress of Pacific Basin Societies will explore cutting-edge research in therapeutics, materials, and astrobiology. Over 179 symposia are planned to foster industrial development, improve environments, and enhance the well-being of people from Pacific Rim countries.
A special symposium discusses children's exposure to environmental hazards, including air and food pollution, insecticides, and pesticides. The event highlights the need for better regulation and science-based decision-making to protect children's health.
A new imaging method is being developed to show images of plaque deposits in the brains of Alzheimer's patients as the disease progresses. The technology uses technetium-based probes to detect amyloid plaque deposits, which could allow for definitive diagnosis before death.
Researchers have detected fluorocarbon- and hydrocarbon-based surfactants in groundwater at military bases in Florida and Nevada. The presence of these surfactants poses concerns about their impact on human health and the environment, as they are resistant to degradation and may also contaminate other pollutants.
A new analytical technique has revealed large variations in Ginkgo biloba herbal products, which may be a problem for consumers. The study found that some products contain significantly more ginkgolides and bilobalide, the most pharmacologically active compounds, than others.
Researchers found a new mechanism explaining how Alzheimer's disease damages the brain by producing hydrogen peroxide from oxygen, a toxic agent that can cause brain damage. The discovery provides a potential target for new drugs to treat Alzheimer's, which affects four million Americans.
Naturally occurring micro-organisms that live at the bottom of lakes and streams have been shown to convert gasoline additives, including MTBE, into harmless byproducts. The study suggests that these micro-organisms can act as a significant barrier to the entry of MTBE into surface water systems.
Twenty U.S high school students have been chosen to compete in the 31st International Chemistry Olympiad. They will participate in a two-week study camp at the U.S Air Force Academy before representing the US team in the global contest.
University of California researchers have successfully created a buckyball device that emits white light, contrary to conventional scientific wisdom. The device, made from a modified buckyball derivative, has extremely low efficiency but could potentially be used for illuminating rooms in the future.
Researchers at Schering-Plough Research Institute have made the first atomic view of a promising new class of cancer-fighting drugs. The discovery may lead to faster, better refinement of the drugs and the development of more potent, less toxic treatments.
Researchers found that melatonin reacts with peroxynitrite-derived free radicals, forming compounds similar to brain signaling chemicals. These metabolites could impact aspects of behavior, such as mood, with unclear consequences for human health.
Researchers discover that iron minerals in sediment protect marine organisms from extreme arsenic levels. The study suggests that natural processes can be harnessed to develop new methods for treating arsenic-tainted waste.
The American Chemical Society's 32nd Middle Atlantic regional meeting will explore topics such as plastics, environmental protection and medicinal chemistry. More than 700 attendees are expected, with presentations covering the latest research findings.
Researchers have developed new chemicals that target the butyrylcholinesterase enzyme, which may help attack Alzheimer's disease. The study's findings suggest that inappropriate BChE activity increases the risk and progression of Alzheimer's disease, and preliminary studies indicate improved cognition and learning in rodents.
Researchers have determined that a particular enzyme bound to HDL acts as a powerful antioxidant within blood vessels. This discovery may lead to new treatments for heart disease by preventing oxidative modifications of low-density lipoprotein (LDL).
Weed killers and pesticides applied to lawns can track into homes, causing unnecessary exposure, particularly to children. Consumers can reduce track-in by removing shoes, restricting access to youngsters and pets, and carpeting entryways.
Scientists are developing a new urine test that can detect chemical indicators of cancer. The test looks for derivatives of pteridine compounds, which change levels in the urine of cancer patients. This could lead to earlier diagnosis and monitoring of treatment progress.
A new study by Dartmouth College researchers found that domestic wells in New Hampshire contain significantly more arsenic than municipal water sources, with levels exceeding federal recommended limits. The study's findings have significant implications for public health, particularly for residents relying on domestic wells.
Researchers have successfully removed up to 99% of trichloroethylene from contaminated soil using the innovative Lasagna technology, which uses electrical current fed to electrodes buried in the ground. This cost-effective approach has potential for wide use and minimal environmental disturbance.
Researchers have made significant discoveries in various fields, including a new form of Ritalin that could treat cocaine addiction, a bone growth pill, and wrinkle-free cotton. Additionally, citrus limonoids show anticancer potential and can control insects, while polymers may aid in aircraft fire safety.
Researchers have found that butyltins can disrupt the function of human natural killer cells, which are critical in fighting tumor cells and infected cells. The study's findings highlight the need for further research into the potential health effects of these chemical contaminants on humans.
Researchers at CalTech designed a new protein-like polymer that supports endothelial cell growth and could be used for blood vessel replacement. The material is expected to aid patients who cannot supply their own replacement veins, offering a potentially improved success rate compared to current synthetic polymers.
Research presents evidence that moderate caffeine consumption can improve performance in tasks requiring sustained attention. Additionally, studies suggest that green tea catechins have anti-oxidative, antibacterial, and antiviral potency, while polyphenolic compounds in cocoa may also have cardiovascular benefits.