Champagne undergoes a second fermentation to trap carbon dioxide, forming bubbles that carry hundreds of chemical compounds. Pouring champagne on an angle retains more carbon dioxide, releasing more flavor compounds.
New study reveals bacteria in large intestine slow down 'good' fat tissue activity, affecting energy usage and weight gain. Researchers found links between intestinal bacteria, gender differences in weight, and brown fat activity.
Scientists developed a way to deliver therapeutic human cells to diseased areas using superparamagnetic iron oxide nanoparticles. The new process, reported in ACS' journal Langmuir, successfully attaches these nanoparticles to the outside of human cells without causing damage.
A new study found that many commercial beers, including some labeled as low-gluten, contain significant levels of gluten. Two beers labeled 'low-gluten' had as much gluten as regular beer, highlighting the need for accurate testing.
The American Chemical Society revisited key research advances from 2001, including self-healing plastics and carbon-based electronic devices. These discoveries have had lasting impacts on various fields of science.
A new study reveals that humans have released 385,000 tons of mercury into the environment over the past 5,000 years, with emissions peaking in the late 1800s and rising again due to increased coal use. The research challenges the notion of declining mercury emissions.
A new genre of eco-friendly tires is being developed using genetically engineered microbes that produce raw materials from sugar. Companies like Goodyear and Michelin are partnering with biotechnology firms to create sustainable alternatives to traditional petroleum-based tires, which could debut within the next 3-5 years.
A new test, 'impurity profiling,' identifies impurities in nerve gas samples at crime scenes and matches them to source chemicals, pinpointing likely sources. This technique may help track down perpetrators of chemical attacks.
Scientists have developed a new cotton fabric that uses a titanium dioxide coating to clean itself of stains and bacteria when exposed to ordinary sunlight. The coating accelerates discoloration processes and remains intact after washing and drying.
Researchers identified that sausages made with olive oil-in-water emulsion stabilized with casein are slightly tougher due to weak lipid-protein interactions. Adding microbial transglutaminase to the emulsion system can lead to physical entrapment of the oil within the meat matrix, making the sausage even tougher.
A new study finds that sewage treatment plants can be a significant source of antibiotic-resistant genes in waterways. Researchers detected three genes that make bacteria resistant to tetracycline antibiotics at a facility on Lake Superior, highlighting the potential for even high-tech plants to contribute to the problem.
Cytosine plays a pivotal role in the human genome, acting as an on/off switch for genes and facilitating the recognition of foreign invaders by the immune system. Its diverse functions make it a crucial element of genetic diversity.
The average age at which Nobel laureates in chemistry do their prize-winning work is increasing since 1960, with most prizes awarded after the 40th birthday. The shift favors older scientists who can conduct extensive experiments.
Scientists re-engineered botulism toxins to target non-nerve cells, blocking inflammation-linked protein release. This could expand treatment options for chronic inflammatory diseases like rheumatoid arthritis and asthma, reducing risks associated with nerve cell disruption.
The artificial leaf technology uses sunlight and renewable ingredients to produce electricity, with the potential to power homes in developing countries. The technology has the potential to provide a low-cost solution for generating electricity, making it an attractive option for households and communities.
A new test developed by scientists can accurately detect contaminants in marzipan pastes, including cheap substitutes made from soy and peas. The polymerase chain reaction (PCR) method can identify small amounts of almond substitutes as little as 0.1%.
Scientists discovered a vast array of anti-bacterial substances, known as peptides, in the skin of odorous frogs. These peptides account for almost one-third of all antimicrobial peptides found worldwide, offering potential clues for developing new antibiotics.
Higher quality livers come from ducks with active fat-storing cells, while lower quality livers have cells struggling with high fat levels. Analyzing liver proteins revealed a key factor in determining foie gras quality.
Scientists have developed a new smart polymer that breaks apart into small pieces in response to harmless levels of irradiation, paving the way for safe medical applications of tissue-penetrating light. The material has potential for use in diagnosing diseases and engineering new human tissues in the lab.
The technology allows for creating detailed objects from various materials, including plastics, metals, and foods like chocolate. Engineers can print designer chocolates, gourmet meals, and medical devices with embedded proteins and cells.
A realistic look at nanomedicine reveals both promise and perils. While dozens of nano health care products are in use, the field also poses risks of nanoparticle toxicity and unintended interactions.
Scientists have created a fast and reliable test to detect ciguatoxin, the primary cause of ciguatera food poisoning. The new test uses standard laboratory instruments and has been proven effective in identifying 16 different forms of the toxin in fish from the Pacific Ocean.
Scientists have developed an electrochemical sensor device that measures blood sugar levels from tears, potentially saving 350 million diabetes patients from finger-prick blood tests. The device tracks tear glucose levels, which correlate with blood glucose levels, allowing for multiple daily measurements without pain.
Scientists discover water's conductivity increases at extremely low temperatures, contradicting expectations for an ordinary liquid. This phenomenon supports the idea of a 'liquid-liquid' phase transition in water.
The American Chemical Society's Employment Outlook feature package explores the jobs situation for chemists, with a focus on the impact of economic weakness on hiring plans. The article also provides guidance for current and future job seekers to fully benefit from recruiters' services.
Scientists have developed a new material made from chitosan that effectively captures influenza viruses before they can infect people. This breakthrough could lead to improved vaccinations and anti-influenza medications.
Eating mixed nuts daily boosts serotonin levels in MetS patients, decreasing hunger and improving heart health. A 12-week nut-enriched diet showed significant biochemical effects, including reduced inflammation and cardiovascular risk factors.
Food processors face challenges in reproducing textures with reduced ingredients, but natural alternatives like plant-based compounds and natural emulsifiers help. The American Chemical Society explores the science behind creating 'light' or '-free' versions of products.
A new study found that peatlands will continue to sequester their huge deposits of carbon and methane under moderate climate change conditions. The research used laboratory simulations to study the decomposition of wet bog peat, showing that carbon release slows down in deeply buried peat.
Scientists have developed a sensor array that can diagnose multiple sclerosis from exhaled breath, offering a fast, inexpensive and non-invasive alternative to traditional methods. The technology has been tested in humans and shows promising results, rivaling the accuracy of spinal taps without pain or risk.
A new magnetic tongue technology uses nuclear magnetic resonance spectroscopy to analyze food components and estimate tastes, showing promise for improving flavor detection in processed foods. The method has potential as a rapid, sensitive, and relatively inexpensive approach for food processing companies.
Research finds 94% of thermal cash register receipts contain BPA, contaminating paper products such as napkins and food packaging. The recycling process is a significant source of BPA exposure, contributing to up to 33.5 tons of BPA in the environment annually.
The planned reopening of Spain's Altamira caves is sparking debate over the impact on 20,000-year-old wall paintings. Moisture and human activity are believed to foster bacterial growth that damages the artwork.
Scientists propose 'Lance Armstrong effect' to overcome resistance in pancreatic and other cancers, with promising results in testicular cancer patients who beat metastatic disease despite low survival rates elsewhere. Researchers explore nanoparticle therapies to target tumors with high temperatures.
Acrylic paints, famous for their fast-drying properties, pose significant challenges in cleaning due to their additive-rich composition. Researchers are exploring ways to rejuvenate these artworks without compromising their integrity.
Scientists developed a new tool to identify cancerous and healthy brain tissue, allowing for more precise tumor removal and reduced risk of recurrence. The tool, combining an ultrasonic aspirator with a mass spectrometer, proved successful on human brain samples in half the time previously needed.
A massive research project, LIPID MAPS, has identified the complete complement of lipids within cells and gained insight into their role in cellular functions. The new knowledge may have significant implications for understanding diseases such as heart disease, cancer, and diabetes.
Scientists have developed a fast and reliable scientific test to authenticate the age and authenticity of priceless silk tapestries and treasures. The new method tracks time-related deterioration in silk protein, providing accurate measures of age within 50-100 years.
Scientists have developed new substances that first block the biological vacuum cleaner preventing anti-HIV drugs from reaching the brain and then revert to an active drug to treat HIV. This breakthrough allows medications to cross the blood-brain barrier, targeting brain diseases and potentially offering a cure for HIV.
Researchers have discovered a potential new treatment for EKC, a highly infectious eye disease affecting millions annually in the US. A molecular wipe targeting viruses responsible for EKC could relieve symptoms, speed up healing and reduce transmission risk.
A team of scientists has discovered a link between pregnancy protein and Alzheimer's disease, finding elevated levels in women destined for the condition years before symptoms appear. They found that the protein, pregnancy zone protein, is being produced in senile plaques, a hallmark of AD.
Automakers are embracing carbon fiber composites to reduce weight and improve mileage in electric and hybrid vehicles. The material is 50% lighter than steel and 30% lighter than aluminum, despite concerns about high cost.
A new study uses exhaled breath to detect exposure to potentially toxic substances in workplaces and environments. The technology is non-invasive, quick, and inexpensive, with hand-held equipment that can detect minute amounts of substances.
Researchers developed a simple color test to detect economically motivated adulterants (EMAs) in heparin, which can trigger anaphylactic reactions. The test can also identify other potential EMAs, paving the way for portable detection methods.
Scientists have developed new, eco-friendly plastics that outperform traditional polycarbonate materials in terms of heat resistance and biodegradability. These innovative plastics are set to replace BPA-containing plastics in baby bottles, shopping bags, and other products.
Researchers have developed a smart window system that can inexpensively switch between summer and winter modes, saving air conditioning costs in the summer and capturing free heat from the sun in the winter. The new technology uses a polymer, counterions, and methanol to create a stable, robust, and tunable smart window.
Scientists have made new discoveries about the biological makings of queen bees and worker bees, finding major differences in protein activity during early stages of life. These findings suggest that proteins with metabolic enhancing activities play significant roles in caste determination.
A new genre of pasta made with barley is being developed, offering a potential solution for consumers seeking healthier alternatives. The barley spaghetti contains more fiber and antioxidant activity than traditional semolina-based spaghettis, making it a promising option for those looking to reduce their risk of heart disease.
Researchers created an artificial blood protein inspired by woolly mammoths' ability to conserve heat. The new hemoglobin can unload oxygen to tissues in cold conditions, making it suitable for use in hypothermia treatments during heart and brain surgeries.
Research finds that benzene and BTEX emissions remained dissolved in the Gulf of Mexico, posing a potential health risk to cleanup workers. However, other substances released by crude oil could become airborne, threatening worker health if inhaled.