Articles tagged with Scientific Associations
Researchers have discovered new synthetic compounds that inhibit inducible nitric oxide synthase (iNOS), an enzyme involved in brain cell death. These compounds, including a melatonin metabolite, prevent NO-induced brain damage by suppressing iNOS production.
Researchers found that DMSO inhibits key enzymes in sewage treatment plants, affecting their ability to break down organic matter. This can lead to reduced treatment efficiency and increased emissions of untreated pollutants into the environment.
Researchers found that all-purpose floor detergents containing no phosphate are just as effective as lead-specific cleaners in removing lead from household surfaces. HUD's new guidelines will incorporate the findings, addressing concerns of 24 million US homes with significant lead levels.
T-rays use terahertz (THz) region of the electromagnetic spectrum to sense and image objects, providing spectroscopic information about composition. Advances enable nanoscale detection and long-range imaging up to 100 meters, with potential applications in national security, genetics, and protein folding research.
The chemistry job market remains challenging due to rising costs, particularly in the wake of a record-breaking hurricane season that has battered refineries in the Gulf Coast region. Despite this, median starting salaries for chemists have increased, with bachelor's level chemists earning $32,500 and Ph.D. chemists earning $65,000.
Researchers have detected pyrethroids, a common insecticide, in nearly all sediment samples from urban and suburban streams, posing a threat to aquatic ecosystems. The finding highlights the need for greater monitoring and consideration of the potential effects of residential use of pyrethroids on water systems.
Yates received $3,000 and a certificate, as well as covered travel expenses to the meeting, in recognition of his research in nuclear chemistry and radiochemistry. A five-day symposium will be held at the 2006 spring meeting of the American Chemical Society (ACS) in Atlanta.
The Columbia battery, introduced in 1896, marked a significant step in transforming batteries from industrial products to consumer goods. Its technology served as the basis for all dry cell batteries for sixty years.
Researchers found that exposing egg cells to nitric oxide can slow the hardening of their outer shells and increase the release of cortical granules, potentially extending their fertilizable time window. This could lead to improved fertility in women and reduce the risk of chromosomal abnormalities during early embryonic development.
Invasive plant species infest US public land, costing Americans $34.7 billion annually. Researchers will discuss control strategies using online data and Exotic Plant Management Teams.
The Beilstein Journal of Organic Chemistry is a peer-reviewed online journal that covers all aspects of organic chemistry and related disciplines. It invites submissions from organic chemists worldwide, offering efficient refereeing, rapid publication, and high visibility, with no publication charges or copyright restrictions.
A recent study by the University of Scranton found that coffee provides more antioxidants than any other dietary source in the US. The study analyzed over 100 food items and found that both caffeinated and decaf versions of coffee have similar antioxidant levels, making it the number one source of antioxidants.
Thomas Kucera, a renowned chemist and advocate for disability rights, will receive the ACS Committee on Chemists with Disabilities' Lifetime Achievement Award. He was the first editor of a landmark publication on teaching chemistry to students with disabilities.
The American Chemical Society's annual employment survey reveals that median salaries for US chemists have increased by 4-5% across all levels. Notably, there has been a dramatic shift towards biologically-related jobs among chemists over the past two decades.
A recent study published in Chemical & Engineering News reveals that many cats lack the sensitivity to catnip due to genetic variation. The chemical compound nepetalactone is responsible for triggering behaviors in sensitive felines, but its potency can be preserved by storing it in the freezer.
The top chemical producers saw a significant increase in sales in 2004, with Dow Chemical leading the way at $40 billion. DuPont's sales remained relatively stable, while ExxonMobil Chemical experienced a notable jump of 38%.
Starting salaries for new chemists have remained stagnant since 2002, with median salaries ranging from $32,500 to $43,600. Despite modest gains in employment rates, the overall job market remains challenging for young chemistry graduates.
Researchers at National Institute of Standards and Technology (NIST) have developed a method to create nanoporous, conducting polymer films that can detect toxic gases. The process uses electrostatic repulsion to pattern the polyaniline particles on complex device structures.
The American Chemical Society's Academic Employment Initiative (AEI) offers advice on applying for chemistry faculty positions. AEI aims to broaden the hiring process to include more women, minorities, and candidates from lesser-known universities. The initiative emphasizes research fit and highlighting one's unique qualities.
The American Chemical Society has recognized Schering-Plough's unique contribution to the ACS Scholars Program, providing grants of $50,000 to support 20 freshmen students each year. The program has awarded $8 million in scholarships to nearly 1,500 talented minority students with financial need since its inception.
The US chemical industry saw significant earnings growth in Q4 2004, with total earnings rising 52% year-over-year to $9.58 billion. Sales increased 15.1% to $139.7 billion, driving aggregate profitability to 6.9%. Rising selling prices and strong demand fundamentals contributed to the growth.
Scientists have identified a promising new antibiotic target in diphosphomevalonate (DPM), which can inhibit the virulence of Streptococcus pneumoniae and prevent its survival. This breakthrough could lead to the development of novel antibiotics to cure pneumonia and other streptococcal diseases.
Martin Saunders will receive the James Flack Norris Award for his seminal contributions to NMR spectroscopy, structures, and rearrangements of carbocations. He developed new methods for studying these highly reactive species, allowing him to discover detailed mechanisms and rates of rapid rearrangement reactions.
The American Chemical Society has recognized four companies for developing innovative therapies for various ailments, including eye disease and high cholesterol. These breakthroughs were made possible by the work of industrial chemists and chemical engineers who have led to commercially successful products that improve quality of life.
Demand for US chemical products increased while firms cut costs. Dow Chemical topped sales at $9.3 billion, followed by DuPont at $8 billion. DuPont led earnings with $964 million, ahead of Dow's $469 million increase in the same quarter last year.
The 2003 Starting Salary Survey shows a shift in employment patterns among new chemistry Ph.D. graduates, with more taking lower paying academic positions. Median salaries were lower than previous classes, with bachelor's graduates still below the all-time high.
Virgil Percec, a Penn chemist, has received an American Chemical Society award for his work in polymer chemistry. He is recognized for striking a balance among diverse disciplines and extending nature's solutions to design synthetic functional nanosystems.
Rigoberto Advincula, a UH professor, receives the Doolittle Award for his presentation and development of scientific content in his paper on polymer adsorption phenomena. The award is significant to researching new materials with practical applications in adhesives, coatings, and lubricants.
Companies like Gemesis and Apollo Diamond are creating lab-grown diamonds over a carat in size that match mined counterparts in terms of chemical and physical properties. Additionally, colored diamonds can be created by introducing controlled elemental impurities, such as nitrogen for yellow stones or boron for blue gems.
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.
Prof. Shaik, a renowned expert in organic chemistry, has been selected by the AAAS for his groundbreaking work on valence bond theory, which has recharted the mental map of chemistry. He is a recipient of numerous prestigious awards, including the Outstanding Young Chemist Award and the Lise Meitner-Alexander von Humboldt Research Award.
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.
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 study from UC Davis finds that the debris pile at Ground Zero released toxic metals, acids, and organics for at least six weeks after the 9/11 attacks. The conditions were brutal for those working without respirators.
A prototype system using NIST-patented microheater technology and artificial neural networks can reliably identify trace amounts of toxic gases. The sensors can detect compounds like sulfur-mustard gas and nerve agents at levels below 1 part per million.
Fe-TAML activators, developed at Carnegie Mellon, show promise in removing color and chlorinated byproducts from paper and wood pulp manufacturing using hydrogen peroxide. The process reduces color production by nearly 30% and has the potential to replace chlorine-based bleaching processes.
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.
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.
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.
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.
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.
Matson's work on ultra-barrier coatings has the potential to replace glass in electronic displays, enabling flexible and cheaper alternatives for cell phones, TVs, laptops, and digital watches. The American Chemical Society's Industrial Innovation Awards recognize his contributions to commercial success and improved quality of life.
Haugland's work at Molecular Probes led to the creation of over 2,800 products for biomedical research. He holds 60 patents and authored Handbook of Fluorescent Probes and Research Chemicals.
Ouderkirk invented multilayer optical film technology, challenging Brewster's Law and revolutionizing optics. His invention has numerous applications in diverse fields like electronics, automotive, and medical imaging.
Researchers found that association constants, a crucial factor in supramolecular chemistry, are often determined with faulty measures. They developed new equations to calculate Ka when ion-pairing is different and showed that this has significant implications for creating functional materials.
Dr. John Brauman is recognized for his groundbreaking research on ion dynamics in the gas phase, significantly altering our understanding of chemical reactivity. As a renowned chemist, Brauman joins an elite group of recipients who have gone on to win the Nobel Prize.
Rep. Holt, a physicist and advocate for science education, has won a public service award from the American Chemical Society (ACS). He has worked to improve math and science education, increase funding for the Math and Science Partnership Program, and champion increases in the physical sciences budget.
Rep. Biggert, a strong supporter of math and science education, has successfully sponsored legislation to increase funding for K-12 Math and Science Partnership Program. She also works closely with the American Chemical Society to increase funding for the Department of Energy's Office of Science.
The American Chemical Society's editor-in-chief, Jacobs, has won a national award for her efforts to encourage women in chemistry careers. Despite complex issues such as family life and career demands, Jacobs continues to advocate for women in the field through publications and public speaking.
Beauchamp's team has developed a method to trap only molecules with certain shapes, allowing for the analysis of specific proteins in complex mixtures. This breakthrough technique enables chemists to detect and analyze unique protein patterns, holding promise for applications such as detecting HIV infection.
The Berkeley chemist has made significant contributions to understanding chemical reactions, including the discovery of the Bergman reaction. His work on intermediates has revealed their key role in chemical processes, with potential applications in fields such as medicine.
Robeson, a chemical engineer, has developed numerous polymers to solve problems, including an orthopedic splint compound that molds at body temperature and reduces scarring by 95 percent. His work also includes flame-retardant materials for televisions, aircraft interiors, and camera housings.
Rochester chemist Rich Eisenberg has won a national award for his outstanding contributions to the field of inorganic chemistry, including advancements in artificial photosynthesis and flat-panel displays. His work has been recognized for its potential impact on energy production and electronic device technology.
Jacox, a leading expert on free radicals, has been recognized for her contributions to spectroscopy. Her work reveals the importance of free radicals in driving chemical reactions and understanding their role in various molecular processes.
A Texas chemist has won a national award for his work on vitamin B12, a natural product he has worked with for about 30 years. He is now working on recreating the pathway for taxol, an anti-cancer drug derived from yew trees.
Allara and Nuzzo developed a model that allows researchers to study how molecules arrange themselves on surfaces, packing tightly and responding to their environment. This discovery has been used to advance various fields, including the development of artificial hearts, lubricated surfaces, and complex plastics.
Eli Claiborne, a principal consulting research and development scientist, has developed a fully biodegradable vegetable oil called BIOTEMP to reduce environmental harm from transformers. Many US companies now use commercial transformers containing the new fluid, which also has potential for larger applications.
Brauman is being recognized for his groundbreaking research on how molecules react, determining reaction rates and products. He will present an after-dinner talk on the impact of technology on basic science at a banquet on November 9.
Dr. Bowman-James exemplifies and promotes diversity, increasing female representation in the chemistry faculty to over 25%. She is a leader in research and academic leadership, expanding the curriculum and establishing new courses.
The American Chemical Society has awarded US Representative David Price for his efforts to advance science and technology in public policy. He has increased research funding at major agencies, strengthened science education, and promoted environmental protection through legislation.