Charcoal has a long history dating back 38,000 years and has been used in various ways beyond its use in grilling. It can be made from diverse materials like wood, corn cobs, and coconut shells. Moreover, charcoal is considered a renewable replacement for coal.
Scientists have identified over 100 antibiotic substances in frog skin secretions, offering a potential solution to the growing problem of antibiotic-resistant bacteria. The discovery could lead to the development of new antibiotics that are more powerful and less toxic than existing ones.
A new test allows for more accurate estimation of smokers' mouth-level exposure to cigarette smoke, which may aid in developing custom-tailored quitting strategies. The method uses a surrogate compound found in tobacco filters to gauge exposure to the thousands of chemicals present in cigarette smoke.
Scientists have developed a new class of biofuel cells that can produce electricity using sugar or cooking oil, opening possibilities for recharging portable electronics. The first mitochondria fuel cell successfully produces electricity in lab tests.
Scientists have developed a new, eco-friendly adhesive made from soy flour and water-resistant additive that performs as well as traditional petroleum-based adhesives without releasing harmful formaldehyde vapors. The sustainable glue could lead to a resurgence of protein-based adhesives in the wood industry.
Researchers create 'soyscreen' oil to protect fungal spores from sunlight, expanding use of fungus as insecticide alternative. The substance successfully protects spores for 28 weeks without harming them.
Scientists have discovered a substance called 'dry water' that can absorb and store carbon dioxide, methane, and other gases. This powder has the potential to reduce global warming by providing an alternative storage material for these gases.
Researchers have discovered a new method to harness electricity from the air, using a process called hygroelectricity. This technology could provide an alternative energy source for homes and businesses, similar to solar cells, and prevent lightning strikes by draining electricity out of the air.
Walter Kohn predicts a new era in human history where solar and wind power dominate global energy, driven by growing alternative energy production and declining oil and gas reserves. International cooperation is crucial to addressing the challenges of a rapidly changing energy landscape.
Fragrance designers like Michael Papas aim to create scents that evoke emotions and nostalgia, using complex blends of synthetic and natural substances. By tailoring their creations to specific products, they strive to connect with consumers on a deeper level, making fragrances an integral part of our daily experiences.
Scientists have trained mice to identify infected duck feces, which could lead to development of disease-detecting dogs and lab instruments. This breakthrough may enable early warning systems for influenza and other diseases.
A panel of four climate experts will review current state of climate science and discuss observed changes. Chemistry plays a crucial role in resolving the climate change challenge, with significant impacts on water systems, agriculture, human health, and more.
Scientists have discovered a powerful new catalyst that can boost oxygen production in fuel cells by 200-fold, advancing the development of personalized energy systems. This breakthrough could enable homes and businesses to produce their own clean energy for heating, cooling, and powering cars.
Researchers developed new 'stapled peptides' to block key cancer proteins, showing promise for treating cancer, diabetes, and other diseases. The advances could lead to a new generation of medicines, overcoming the shortcomings of previous drugs.
Eating berries like blueberries, strawberries, and acai berries may help keep the aging brain healthy by activating its natural 'housekeeper' mechanism. The mechanism cleans up toxic proteins linked to age-related memory loss and other mental decline.
The Open Source Drug Discovery (OSDD) Consortium is a worldwide scientific community working together to discover and develop new drugs. Key findings include the development of a comprehensive map of Mycobacterium tuberculosis genome, paving the way for a potential new drug for tuberculosis.
A new clinical trial confirms that drinking two 8-ounce glasses of water before meals helps people shed more pounds than those who do not drink water. The study found that water drinkers lost about 15.5 pounds over 12 weeks, while non-water drinkers lost about 11 pounds.
Scientists have made progress in developing improved materials for high-performance, rechargeable lithium-ion batteries that can be woven into clothing. These conformable batteries could provide power for a range of devices, including smartphones and GPS units.
Researchers found that cranberry juice cocktail prevents E. coli from sticking to other bacteria and forming biofilms, which can lead to urinary tract infections. The study suggests that the beneficial substances in cranberry juice could reach the urinary tract within 8 hours after consumption.
The American Chemical Society hosted a symposium on science policy, focusing on the importance of scientists' involvement in shaping policy on global issues like climate change and security. The event aimed to equip young scientists with the necessary tools to become effective participants in policy debates.
Researchers developed self-dusting solar panels using technology from Mars space missions, reducing dust impact on solar energy output. The new coating can remove up to 90% of deposited dust within two minutes, minimizing maintenance costs and increasing efficiency.
Two research teams discovered life-saving medications, JANUVIA for type 2 diabetes and CHANTIX for smoking cessation, enhancing people's ability to regulate blood sugar levels and reduce nicotine cravings. These treatments have helped millions worldwide, with CHANTIX being approved in 86 countries and over 7 million prescribed in the US.
A study by American Chemical Society found that many bottled tea beverages contain extremely low levels of polyphenols, with some containing virtually no antioxidants. In contrast, a single cup of home-brewed green or black tea can contain 50-150 mg of polyphenols.
A global shortage of medical isotopes, used in diagnostic and therapeutic procedures, poses a threat to patient care and may force doctors to use less accurate tests. The shortage is attributed to the unexpected shutdown of major isotope production facilities, leaving only 10-15% of isotopes produced domestically.
Researchers discovered two methods to increase antioxidants in potatoes, including electric shocks and ultrasound treatment, resulting in up to 50% more phenols and chlorogenic acid. The process could have widespread commercial application for functional foods with potential health benefits.
Scientists have developed a substance to enhance visibility of skin cancer cells during scans, potentially leading to earlier detection and improved survival rates for patients with melanoma. The new technique uses photoacoustic tomography and a bioconjugated gold nanoparticle agent that targets skin cancer cells.
Researchers have developed a method to prevent phthalates from migrating from PVC plastics, leading to safer products and reduced health risks. The approach permanently bonds plasticizers to the internal structure of PVC, suppressing migration and improving product durability.
A scientific study reveals that pouring champagne down the side of an angled glass preserves more carbon dioxide than pouring straight down the middle. The researchers also found that chilling champagne to 39 degrees Fahrenheit reduces carbon dioxide loss, making 'down-the-side' a winning method for preserving champagne's taste and fizz.
Scientists have developed a new approach to deliver therapeutic genes into brain cancer cells, using chlorotoxin from deathstalker scorpion venom and nanoparticles of iron oxide. This method has shown promise in inducing nearly twice the amount of gene expression in brain cancer cells compared to traditional approaches.
A new study finds that traveling by car increases global temperatures more significantly than flying over the long term due to higher carbon dioxide emissions. In contrast, air travel has a greater adverse climate impact in the short run due to its effects on high-altitude ozone and clouds.
A new study has revealed that both low-income and affluent communities in California have high levels of endocrine disruptors in their homes, with indoor air pollution posing a significant health risk. The study, which analyzed indoor and outdoor air samples from 40 low-income and 10 affluent homes, found that levels of these substance...
A study found that valproate reduces collagen production by almost 60% and osteonectin levels by 28% in SMA cells, contributing to bone loss in these patients.
A newly developed DNA test can quickly analyze crime scene DNA and compare it to suspects' DNA, potentially keeping high-risk individuals incarcerated longer. The test, which takes four hours to produce results, is an improvement over current methods that take 24-72 hours.
The American Chemical Society has named 192 distinguished scientists as 2010 ACS Fellows, including professionals from top institutions. The recognition honors their achievements in chemistry and contributions to the scientific community.
Researchers analyzed over 140 studies on nanomaterials in construction and found benefits including increased strength and durability, as well as improved energy efficiency. However, concerns about potential health and environmental effects exist, highlighting the need for guidelines to regulate their use.
Researchers pretreated polycarbonate with UV light and heat before exposing it to three types of fungi, including the white-rot fungus. The fungi broke down the plastic, using its BPA as energy, resulting in substantial decomposition without releasing toxic chemicals.
Two middle school students from Wisconsin have co-authored a study revealing the innermost structure of a key bacterial enzyme that activates antibiotics and anti-cancer agents. The researchers identified the 3D structure of the methyltransferase, a crucial step in determining its function.
Scientists converted surplus butter into biodiesel, meeting most test standards for a biobased fuel source. Butter's fatty acid esters can be blended with existing biodiesel to increase supply.
Scientists tested eight common oil spill dispersants and found none showed significant hormone disruption activity. Only high concentrations exceeded safe levels of cell death, but other potential toxins remain untested.
A new study has discovered that capsaicin, a compound found in chili peppers, can cause weight loss and fight fat buildup by triggering certain beneficial protein changes in the body. The research, published in ACS' Journal of Proteome Research, suggests that capsaicin may lead to new treatments for obesity.
Scientists have validated a new organoclay material that is safer and more environmentally friendly for making plastics. The new material achieves mass producible organoclays that are cheaper and generate less dust compared to current alternatives.
Researchers have developed a new form of paper that can fight disease-causing bacteria, with potential applications in anti-bacterial bandages, food packaging, and shoe materials. The material, composed of graphene oxide, shows superior antibacterial effects with minimal impact on human cells.
Researchers have developed carbon nanotube speakers that can generate sound waves and cancel out noise, ideal for submarine sonar. These 'nanotube speakers' can also be tuned to specific frequencies to detect underwater objects, enhancing stealth capabilities.
Scientists have developed a new, automated genetic method for determining a broader range of blood types, enabling better matching in blood banks. The HiFi Blood 96 test can handle high volumes of blood and is more affordable than existing commercial tests, paving the way for wider adoption of extended blood group typing.
Researchers are developing methods to add color to e-reader displays, including simple filters and new electronic ink technologies. Color displays could enhance the user experience and open up new markets for educational materials.
A comprehensive study found mercury levels in Lake Erie walleye are rising, contrary to declines in other Great Lakes fish. The increase is attributed to environmental factors like invasive mussel populations and food web modifications.
Scientists have discovered a way to help protein-based drugs enter cells by attaching them to supercharged green fluorescent protein. This approach is up to 100 times more effective than previous methods, allowing proteins to reach their target locations and perform their functions.
A new study finds that hand washing can significantly reduce fecal bacteria contamination in stored drinking water, which is crucial for households with limited access to municipal water supply systems. The research discovered nearly 100 times more fecal bacteria in stored water compared to its source in Dar es Salaam, Tanzania.
Long-term use of statin medication can impair serotonin receptor function, potentially leading to anxiety and depression. The study found that adding cholesterol restored normal receptor function.
Scientists have developed a multilayered, nano-sized film containing alpha melanocyte stimulating hormone to regenerate dental pulp, potentially revitalizing damaged teeth and reducing the need for root canal procedures. The film has anti-inflammatory properties and increased the number of fibroblasts in dental pulp.