Researchers have developed a dental composite that can remineralize small cavities and prevent demineralization. The material, containing amorphous calcium phosphate, has potential applications in orthodontic adhesives, dental fillings, root canal therapy, and bone repair.
Researchers are exploring government policies to ensure a stable energy supply, including alternative sources like hydrogen, fuel cells, and alkaline fuel cells. Energy R&D spending is linked to energy-related patents, highlighting the need for increased investment in emerging energy problems.
A new food packaging technique using argon gas has been shown to extend the shelf life of foods by 25% and improve their overall quality, with some products seeing a 40-50% improvement. Argon replaces nitrogen, which causes food to oxidize and spoil, making it a safe and effective way to preserve food.
Researchers have developed a new circuit using hollow carbon nanotubes, which can switch between 'on' and 'off' states and perform logic functions. The design enables more complex circuits to be built, potentially replacing silicon in microchips within the next 10-15 years.
Jean M.J. Frechet, a renowned Berkeley chemist, has been honored with the 2001 Arthur C. Cope Scholar Award for his groundbreaking research on dendrimers, complex organic compounds with various applications, including drug delivery to tumors and light-harvesting antennae.
A chemist at Ohio State University has won a national award for his work on studying reactive intermediates in chemical reactions. He is using high-tech techniques to 'freeze-frame' these ephemeral species, which are crucial in determining the success or failure of reactions.
Jeffery W. Kelly's work focuses on designing and utilizing small molecules to prevent neurodegenerative diseases similar to Alzheimer's but more rare. His team's molecular braces are now in preclinical trials for disorders like familial amyloid polyneuropathy.
John Montgomery, a Wayne State University chemist, has developed a new method to create complex molecules efficiently. He achieves this by making multiple bonds at once, using catalysts based on reactive nickel.
Chemist Nicole S. Sampson has made significant breakthroughs in understanding the process of fertilization, discovering that protein fertilin-beta binds to egg protein alpha-6 beta-1 integrin. Her research could lead to new applications for sperm mimics and insights into tissue formation.
Murray Goodman, a bioorganic chemist at the University of California, San Diego, has developed new strategies to create more effective and selective drugs. His research aims to mimic the action of peptides, which help direct processes in the body, and improve upon their natural opioids.
Corn-based biodegradable plastics have won a national award, thanks to Cornell chemist Coates' innovative work in developing polymers that can be easily absorbed by the environment. His research has also led to new applications, such as sutures and drug delivery systems.
University of North Carolina chemist Michael T. Crimmins wins national award for developing laboratory methods to create compounds with anti-tumor activity and potential health benefits. His team successfully synthesized a chemical from the gingko tree called gingkolide B, which may also delay Alzheimer's disease onset.
Richard R. Schrock has developed catalysts that make molecules efficiently, leading to discoveries of potential antibiotics and anticancer compounds. His work significantly influences the field of organic chemistry.
Victor Snieckus has invented more efficient methods for creating organometallic compounds, which have applications in pharmaceuticals, agriculture, and electronics. His research has led to the development of a new painkiller, fungicides for wheat crops, and conducting materials.
Scientists have created a synthetic antifreeze protein that mimics the natural defense mechanism of Arctic and Antarctic fish, which can prevent ice growth in living organisms. The new compound has potential applications in frost protection for crops, preservation of human organs, and elimination of freezer burn.
A new validated method measures HHMA in body fluids, establishing it as a likely contributor to Ecstasy's side effects. The detection of HHMA may provide new insights into the drug's effects and long-term toxicity.
Researchers developed a new processing method to enhance protein content in spaghetti using corn gluten meal, increasing it from approximately 8g to 10g per two-ounce serving. The modified pasta has good flavor and texture, making it a potential market opportunity for food manufacturers.
Researchers found average arsenic levels in Vietnamese wells exceeding three times the national health standard, with peaks up to 3,000 micrograms per liter. The study highlights a significant risk to over 11 million people living in rural areas, where untreated groundwater is consumed directly as drinking water.
The four-member US team, consisting of Sean Kedrowski, Binghai Ling, Collin Martin and Albert Wang, will participate in the international contest alongside two alternates Andrew Chi and Jonathan Choi. The competition tests high school students' proficiency in chemistry theory and laboratory experiments.
Chemist Susan Temme has been awarded the Northeastern Regional High School Chemistry Teaching Award for her innovative teaching strategies, laboratory work, and leadership. She developed Cheshire High School's advanced placement chemistry curriculum and led staff development workshops.
A new device that combines two sensors to measure glucose and insulin levels simultaneously could provide early warning for diabetics. This technology has the potential to help predict blood sugar changes and stave off complications such as kidney failure and heart disease.
A new study found that eating one medium-sized persimmon per day can help reduce the risk of heart disease by fighting atherosclerosis. Persimmons contain significantly higher levels of dietary fiber, minerals, and phenolic compounds than apples.
Researchers identified a polyoxometalate (POM) molecule that inhibits HIV protease, providing a potential second line of attack against the virus. The discovery could lead to reduced spread of drug-resistant strains and delayed onset of full-blown AIDS.
Researchers found that sediment on the sea floor has a different electrical potential than surrounding salt water, allowing for sustainable fuel cell power. This innovation could significantly reduce costs of ocean monitoring and enable continuous operation of self-sustaining equipment.
Researchers have identified a potent neurotoxin called kalkitoxin, which appears to block sodium channels in neurons. This finding could lead to new treatments for conditions like pain, epilepsy, and potentially stroke by selectively activating or blocking sodium channels.
New Zealand scientists are presenting innovative research on meat storage, with freezing found to be the best way to preserve raw sheep meat. Researchers have also isolated a promising chemical from a native Asian tree for treating AIDS, cancer, and diabetes. Additionally, marine sponges have yielded compounds that may aid in fighting ...
Researchers at Monash University developed a noninvasive technique to predict the usable lifetime of rubber products using nuclear magnetic resonance. An Australian research team also created high-tech methods to detect insecticides and fungicides in wine and grapes, potentially leading to improved wine quality.
Researchers in Japan discovered that avocados contain compounds that can slow down liver damage and improve liver health. The study suggests that avocado extracts may be a promising treatment for viral hepatitis, but further studies are needed to confirm the results.
A recent study suggests that methionine, a chemical found in beta-amyloid protein, may play a role in slowing the progression of Alzheimer's disease. Vitamin E's antioxidant properties appear to destroy free radicals produced by amyloid, providing a possible explanation for its link to slowing the disease.
Researchers have identified compounds in noni plants that can kill the bacterium causing tuberculosis, offering a potential alternative to existing treatments. The finding could lead to cheaper and more effective medications for this growing global health threat.
Research presented at the International Chemical Congress of Pacific Basin Societies found that beer, especially darker ales and stouts, may reduce the incidence of atherosclerosis and cataracts by up to 50 percent. Antioxidants in beer, particularly those found in darker brews, are believed to play a role in this protection.
Researchers in Canada are developing a class of drugs for chronic pain with fewer side effects. Canadian scientists also presenting promising treatments for Hepatitis C and non-insulin dependent diabetes by targeting key enzymes involved in the diseases.
Researchers have discovered a chemical in sea urchins that appears to attract and repel starfish, which are devasting coral reefs at an alarming rate. The finding could provide a new method for controlling the starfish population and saving these valuable ecosystems.
A study of 120 Asian women found that those with the highest isoflavone levels had a 50% decrease in breast cancer risk compared to those with lower levels. The researchers recommend including soy in the diet from teenage years to reduce cancer risk.
Researchers have developed an edible film made from strawberry puree, broccoli, oranges, carrots, and other fruits and vegetables. The films can significantly extend the shelf life of fresh-cut produce, such as apples, while keeping them fresh and flavorful.
Researchers found that germinated brown rice contains three times the amount of lysine and ten times the amount of gamma-aminobutyric acid (GABA), an amino acid known to improve kidney function. Germination also activates dormant enzymes, increasing the nutritional value.
The American Chemical Society is offering a $750,000 minority scholars program to support high school seniors and college students pursuing careers in chemistry. The program aims to provide renewable scholarships of up to $3,000 per academic year to attract qualified candidates from underrepresented groups.
Researchers found that wasabi's isothiocyanates can inhibit the growth of Streptococcus mutans bacteria, which cause dental caries. This effect comes from wasabi's ability to interfere with sucrose-dependent cell adherence. Wasabi has been implicated in various health benefits due to its antimicrobial properties.
A new platinum-based cancer drug, BBR3464, has shown promising activity against ovarian cancer that is resistant to cisplatin. The drug, developed by Nicholas Farrell and his team, has been found to be significantly more potent than cisplatin and may offer new hope for the treatment of this devastating disease.
Researchers have discovered a new family of anti-viral compounds, guanidinoglycosides, that target the genetic structure of HIV essential to its replication. These compounds aim to prevent HIV from forming and spreading throughout the body by targeting the 'Rev' protein responsible for producing and spreading infected cells.
Researchers developed a new film that doubles its sensitivity to light without sacrificing picture quality. This technology enables higher-quality photos in low-light conditions and clearer enlargements.
Jonathan Scheuer, pioneer in marine natural products research, is being honored for his work on developing treatments for incurable diseases. His research has led to the discovery of compounds like Kahalalide F, a potential cancer treatment.
Hall's innovations improved EPDM's stability and allowed its use as a dispersant in motor oil, protecting engines from combustion by-products. He developed a method for producing low-molecular-weight EPDM, enhancing the oil's performance.
Susan Daluge, a North Carolina researcher, has developed a new ant-HIV drug called Ziagen that increases the anti-viral potency of AZT and 3TC. This simplifies treatment for patients who cannot tolerate protease inhibitors due to side effects.
Researchers Clifford G. Venier and Edward W. Casserly developed a new lubricant called Pennzane® Synthesized Hydrocarbon Fluid X2000 that can withstand extremely low temperatures and prolong satellite life. The lubricant also enhances the longevity of car oils and provides thin coatings for computer disk drives.
Steaming ginseng at higher temperatures can boost its potency by multiplying antioxidant qualities eight times and relaxing blood vessels up to 32 times. The hotter steam produces optimal biological activity from the same ginseng used in normal supplements, amplifying certain ginsenosides.
The American Chemical Society recognizes Wallace H. Carothers' groundbreaking research in the chemistry of giant molecules, which led to the development of nylon and neoprene. Carothers' work established modern polymer science, paving the way for today's plastics, synthetic fibers, and rubber industries.
Researchers have created artificial hemoglobin using genetic engineering techniques, showing great potential as an oxygen carrier for synthetic blood. The breakthrough could alleviate perennial blood bank shortages and provide a safe alternative for surgeries, transplants, and treating blood disorders.
Research suggests that compounds in chocolate, such as tetrahydro-beta-carbolines, may contribute to chocolate cravings. These compounds are also found in wine, beer, and liquor, but no connection has been established with compulsive drinking.
Researchers found that low-level ultraviolet irradiation and refrigeration can significantly increase the antioxidant compound resveratrol in grapes, potentially leading to reduced risk of high cholesterol, heart disease, and Alzheimer's. The treatment has no known side effects and may be beneficial for other grape varieties.