Self-tanners contain dihydroxyacetone (DHA), which interacts with skin proteins to create a brown glow. Newer sunscreens offer greater protection against both UVA and UVB radiation, including those developed by Craig Bonda, who found that adding DEHN to avobenzone extends its effectiveness.
Allen, a Thomas Worthington High School chemistry teacher, has won the American Chemical Society's Regional Award in High School Chemistry Teaching. Her student-centered approach and extracurricular activities have inspired over 70% of her students to continue studying physics.
Ford researchers Ellen C. Lee and Deborah F. Mielewski discover a new process to evenly distribute silicate clay particles in plastic matrices, resulting in improved strength, lightness, and design flexibility.
General Motors researchers have developed a new generation of automobile plastics using molecule-size mineral fillers like clay. The new nanocomposites are stronger, lighter, and offer more design flexibility for automakers.
Yochum has received the Regional Award for Contributions to Diversity for her efforts to promote women's participation in science. She has established scholarships and programs to encourage female students from underrepresented groups to pursue STEM careers.
The 'What's That Stuff?' column in Chemical & Engineering News is one of five top sites recognized by Scientific American for informative and engaging chemistry content. The column has been widely shared among scientists, students, educators, and industry professionals, who appreciate its ability to make everyday materials fascinating.
Students from Middle Atlantic states won a science essay contest with articles on shrinking doctors to nanobot size, genetically modified healthy chocolate, and new materials that can smell. The winners received $300 US Savings Bonds in each category.
Researchers found that increasing UVB levels in wetlands are associated with an increased frequency of frog malformations. The study suggests that UV radiation may be a significant contributor to the decline of amphibian populations, particularly in areas where ozone depletion and climate change reduce natural UV protection.
Geraldine Richmond, a renowned Oregon chemist and educator, has been recognized for her efforts to foster diversity in the chemical workplace. She founded the Committee on the Advancement of Women in Chemistry (COACh) to support women chemists and promote gender equality.
Nancy Treasure, a chemistry teacher at Layton High School in Utah, has been recognized with the American Chemical Society Regional Award in High School Chemistry Teaching. She is known for her ability to tailor instruction to all ability levels, resulting in an advanced placement pass rate of 80-85 percent.
A. Troy Pauli, a Wyoming chemist, has developed an automated flocculation titrimeter (AFT) that analyzes the stability and performance of asphalts made with mixtures of heavy oils and petroleum residues. The device helps maximize the recovery of distillate oil by measuring the amount of "coke" formed during the breakdown process.
A multidisciplinary team at Abbott Laboratories developed an innovative process to produce the protease inhibitor ritonavir, leading to the discovery of next-generation protease inhibitor lopinavir. This breakthrough has improved HIV/AIDS treatment outcomes and saved thousands of lives in the US.
Lynn Levinson, a veteran chemistry educator from the Chicago area, has been recognized with the ACS Regional Award in High School Chemistry Teaching. Her dedication to hands-on, laboratory-based learning and extracurricular activities has inspired her students to excel in chemistry competitions and research projects.
Pisciotta has inspired students throughout Montgomery, Carroll, and Prince George's Counties for over 30 years. She is recognized by the ACS Regional Award in High School Chemistry Teaching for challenging and inspiring her students.
Kodali and Nivens have developed a series of commercial lubricants, Agri-Pure 500, made from modified vegetable oils that overcome gelation and degradation issues. The oils can be used in environmentally sensitive areas and as base oils for hydraulic fluid and crankcase oil.
Researchers discover that metals like iron are essential for the synthesis of a biological matrix in ocean mussels. This finding could lead to the development of powerful adhesives and antifouling coatings.
A study at the Great Lakes meeting revealed that organically-grown oranges contain 30% more vitamin C than conventionally-grown fruits, defying common assumptions. The reason for this difference is unclear but may be attributed to the use of nitrogen fertilizers in conventional farming practices.
A stress detector has been developed to continuously monitor hydrocortisone levels in saliva, allowing for real-time stress evaluation. The device could aid military troops, pilots, and emergency personnel in maintaining combat readiness and making informed decisions.
The team's new process eliminates toluene and generates less waste, producing a safer and more sustainable herbicide. The award recognizes the contributions of individual researchers at DuPont who worked together to achieve this innovative breakthrough.
Middlecamp has designed programs to increase representation in sciences for women and students of color over the past 20 years. She directs a tutoring center and teaches a course applying chemistry to society, exploring real-world issues.
Brown, a renowned chemist and educator, has been recognized for her efforts to promote diversity in the chemical workplace. Through various initiatives, she has acted as a mentor and role model for underrepresented groups, serving on committees and participating in programs that encourage STEM education.
Scientists have identified pterostilbene, found in grapes, as having similar anticancer properties to resveratrol and potential antidiabetic benefits. Laboratory tests on cells showed that pterostilbene can prevent cell damage caused by cancer-causing agents.
Shun C. Fung, a senior engineering associate at ExxonMobil Research and Engineering Company, has received the American Chemical Society's Industrial Innovation Award for his work on improving catalyst reuse. His research enabled petroleum companies to capture and reuse expensive catalysts, passing millions of dollars in savings to cons...
Jawahar C. Parekh, a New Jersey researcher, has developed an ozone-safe antiperspirant that provides better protection at lower application levels and has a longer shelf life. The new propellant reduces the formation of hazardous air pollutants when reacting with the antiperspirant's active ingredient.
Albert Szent-Györgyi was awarded the Nobel Prize in Physiology or Medicine for his discovery of vitamin C and its extraction from paprika. He pioneered studies on biological oxidation mechanisms, leading to significant advances in biochemical understanding.
Researchers have discovered three promising microorganisms that can infect and kill termites, providing a potential solution for termite infestations. The microorganisms appear to work by breaking down the termites' bodies through enzymatic degradation mechanisms.
A survey by Johns Hopkins researchers estimates probable environmental concentrations (PECs) of the top 200 drugs, suggesting potential sublethal effects on aquatic organisms. The study suggests that certain classes of compounds, such as antimicrobials and anticancer drugs, may be found at high concentrations.
Women need active mentoring to realize their strengths and potential for career advancement. Flexible work arrangements and policies that support working mothers are also crucial. Companies that prioritize these aspects can create a more inclusive and supportive work environment.
Researchers at Virginia Tech are developing injectable magnetic fluids to repair torn or detached retinas, a technique that could help prevent blindness in thousands. The treatment appears promising in laboratory studies, with the potential to be more precise and effective than current methods.
Researchers found that exposure to agricultural fungicide Triphenyltin (TPT) can irreversibly suppress natural killer cell function, a crucial part of the human immune system. Even after TPT is removed, these cells are unable to regain their strength.
Researchers have identified four chemicals that induce nerve regeneration in rat brain cells, focusing on the MAG-ganglioside interaction. The findings could lead to new treatments for spinal cord injury and multiple sclerosis, but caution is needed due to the complexity of human neural systems.
A study suggests that a high intake of DHA may reduce the risk of postpartum depression. Babies who receive sufficient levels of DHA also benefit from improved neurological development. The American Chemical Society research aims to raise awareness about the importance of nutrition for mothers and their babies.
The American Chemical Society is examining scientific connections between the US and Cuba, with a focus on fostering Cuban-American research partnerships. Cubans and scientists with Cuban connections will discuss topics such as chemical education and nanotechnology.
Researchers have discovered that Australian poison frogs produce their own toxin-rich alkaloids, rather than obtaining them from food sources. This groundbreaking finding challenges the long-held assumption that vertebrates obtain these complex chemicals solely through diet.
Yeung's contribution to the Humane Genome Project in the early 1990s helped turn it into a complete database in less than 10 years. He developed methods to miniaturize capillary electrophoresis, allowing for faster identification speeds and higher electric fields.
Argonne chemist Thurnauer has made a laboratory version of an energy 'pump' that keeps negatively charged electrons away from positively charged holes. This technology could be used to chemically neutralize toxic compounds, such as hazardous waste, through controlled electron movement.
Tucson chemist Ralph Hruby has received a national award for his research on peptides that affect human behavior and addictions. His work on alpha-MSH has shown that small changes in the hormone's structure can lead to significant effects on behavior, including appetite regulation.
Thomas C. Werner, a chemistry professor at Union College, has won the 2002 Award for Research at an Undergraduate Institution from the American Chemical Society. He uses undergraduate students as assistants in his research on cyclodextrins and their applications in chemical sensors.
Dai and his team have developed a system to control the synthesis of carbon nanotubes, enabling their use in sensing technologies. One type of nanotube structure shows promise as a sensor for detecting nitrogen dioxide, a common pollutant in vehicle exhaust.
A Los Angeles chemist has won a national award for his groundbreaking research on thin films, specifically monolayers. His technique allows scientists to study these structures at the atomic level, which can lead to breakthroughs in fields like cell membranes and respiration.
T. Don Tilley receives the 2002 Award in Organometallic Chemistry for developing new ways to make chemicals, including flexible semiconductors and reactive building blocks. His research aims to improve semiconductor materials and create new properties through polysilene technology.
Lester, a renowned chemist from Salem, Virginia, has won the ACS E.V. Murphree Award in Industrial and Engineering Chemistry for his pioneering contributions to catalytic converter technology. This innovation has significantly reduced pollutants in automobile exhaust by 99 percent since 1975.
Thomas B. Rauchfuss's research focuses on metal sulfides that act as catalysts, taking sulfur out of oil and coal to reduce acid rain. His work aims to improve the efficiency and understanding of these catalysts to create cleaner fuels.
Bard has made significant contributions to the field of chemistry, including work on scanning electrochemistry microscopy and its applications in studying chemical reactions and biological functions. He is also a dedicated teacher and mentor, having mentored over 200 graduate students and thousands of undergraduate chemistry students.
Kurt W. Swogger, Dow vice president of research and development, received the American Chemical Society's Earle B. Barnes Award for Leadership in Chemical Research Management. The award recognizes his innovative approach to developing customer-specific plastics using molecular architecture, which has led to increased efficiency and suc...
Giacinto Scoles receives Peter Debye Award in Physical Chemistry for inventing new methods of creating controlled molecular beams, allowing study of chemical reactions in unprecedented detail. These techniques also contribute to the development of better semiconductors with improved performance.
Dr. Doyle, a prominent chemist, has received the ACS George C. Pimentel Award for his contributions to chemical education. His most notable contribution is a study of 136 schools from 1986-2000 that found only 25% of published papers had student authors.
Ruedenberg's theories describe how molecules' energy states change during reactions, predicting product properties. His contributions help elucidate bond formation between atoms.
Chicago chemist James P. Shoffner has been honored with the American Chemical Society's Award for Encouraging Disadvantaged Students into Careers in the Chemical Sciences. Through initiatives like Project SEED, he provides opportunities for young students from inner cities to gain laboratory experience and connect with role models.
Krzysztof Matyjaszewski's innovative approach to making finely crafted polymers, known as 'living polymerization,' allows for tailor-made structures and properties. His technique enables the creation of complex polymer shapes and arrangements with precise control.