Researchers have developed a new gluten-free flour made from orange sweet potatoes that is rich in antioxidants and has potential uses in fermented products and baked goods. The team found that grinding the flour at different temperatures and methods produced distinct properties, with single-grind flours ideal for breads and double-gri...
A sunlight-powered porous hydrogel inspired by loofahs can rapidly absorb and release purified water. The material has the potential to meet a person's daily demand, regardless of light conditions.
Scientists have identified small molecules that can target the 'Achilles' heel' of SARS-CoV-2, a less mutation-prone segment of the spike protein. These compounds could serve as a starting point for developing effective treatments for COVID-19.
Researchers found that urine-diverting toilets expelled fewer virus particles than traditional toilets during flushing. The study simulated an average excretion event from a sick person and estimated viral emissions for different types of toilets.
Researchers developed a novel CRISPR system to detect small amounts of cancer-related molecules in exosomes in plasma, effectively distinguishing between malignant and benign samples. The method has the potential to make cancer diagnosis and monitoring quicker and easier by analyzing blood samples.
Scientists have created a small, portable device that can extract and pretreat bacterial DNA using voice commands, making it easier and safer for researchers to handle potentially infectious samples. The device has shown promise in extracting DNA from Salmonella Typhimurium with an efficiency of 70% in under a minute.
Researchers have discovered a new compound that could become an effective non-hormonal male contraceptive by inhibiting the CDK2 protein. The compound, named EF-4-177, showed promising results in mice, with a significant decrease in sperm counts after 28-day exposure.
New biodegradable plastics can be strengthened by adding a small amount of cream of tartar or citric acid, making them suitable for bags and food packaging. The new materials are stronger than conventional bioplastics and some petroleum-based products.
Researchers used simulations to study the movements of influenza virus proteins, finding that they can clump together and form large aggregates. This discovery could lead to improved vaccines and antiviral treatments by targeting these vulnerable states.
Researchers have designed new mosquito repellents that surpass DEET's effectiveness while minimizing its drawbacks. The compounds provide human volunteers with over 95% protection from bites for at least eight hours, making them a promising alternative to traditional repellents.
Researchers have developed a new additive that can break down PFAS at ambient temperature and pressure using a ball milling process. The new method uses boron nitride as a non-corrosive additive, which breaks down 80% of known PFAS in soils contaminated with firefighting foam.
Researchers found that metabolite changes were most evident in ripe fruit, with nitrogen deficiency increasing some compounds and phosphorus deficiency decreasing diversity. Salinity threshold above which metabolites change was identified, which could impact harvested pepper resistance to pathogens.
Researchers have designed an algorithm based on insect neural circuitry to create a power-saving collision detector that can detect vehicles in real-life nighttime scenarios. The novel detector uses atomically thin and light-sensitive memtransistors, resulting in significant energy savings compared to existing systems.
The American Chemical Society (ACS) is hosting a hybrid Spring 2023 meeting with over 10,000 presentations on various topics, including agriculture, energy, health, and sustainability. Press registration is available for qualified journalists and public information officers.
Researchers found that hand washing can drastically cut the amount of fibers shed compared to using a machine, offering guidance for greener laundering methods. The study aims to clarify sources of microplastic pollution in the environment and promote more sustainable textile care practices.
Researchers have developed an orally administered tablet powered by chemical micromotors that deliver insulin to the colon, reducing blood glucose levels for over five hours. The mini-tablets protected from stomach acid and used hydrogen gas bubbles as micromotors to propel insulin into the bloodstream.
Researchers mimicked silkworms' head bobbing to create consistent micro- and nanofibers with minimal equipment. The new method produces uniform filaments and doesn't produce clumpy fibers.
Researchers found that blue light exposure increases anthocyanin production in mango peels, making them redder. This leads to softer flesh with higher sugar content and more carotenoids.
Researchers have created a deep red, antimicrobial lipstick using cranberry extract, which inactivates viruses, bacteria, and fungi within minutes. The novel formula could provide protection against a range of disease-causing microorganisms.
Researchers successfully generated electricity from a succulent plant's natural electron flow, mimicking photosynthesis. The new bio-solar cell produced up to 20 µA/cm² of photocurrent density and could continue generating current for over a day.
Researchers found that germicidal UV lamps can significantly decrease SARS-CoV-2 virus transmission risk, but also produce secondary VOCs and particulate matter, impacting indoor air quality. The study recommends using GUV systems in high-risk environments where benefits outweigh drawbacks.
Researchers found that gamma rays can catalyze the formation of amino acids in early meteorites, which could have contributed to the origin of life on Earth. The study provides evidence for a possible mechanism by which life's building blocks were delivered to our planet.
Machine learning is being explored as a tool to speed up the identification of biomaterials. Researchers have also developed a guide on how to incorporate ML into research programs. Additionally, studies have investigated ways to model polymers at multiple scales and created a self-healing hydrogel for sustained release of medications.
Researchers discovered that microplastics can transform chromium metal into a more toxic form when attached to UV filters, potentially harming aquatic life. The study suggests that microplastics may not just accumulate contaminants, but also interact with them to increase environmental toxicity.
Researchers used AI to design and test thousands of functional group patterns on a carbon nanotube pore, finding optimal arrangements that can filter out contaminants. The study demonstrates AI's potential in developing new types of water purification membranes.
Researchers created a stretchable film that can distinguish between different types of sugar using fluorescent signals. The film changes color when stretched, producing a kaleidoscope effect and enhancing the unique shifts in fluorescence intensity of sugars tagged with a dye.
Researchers are developing new male birth control options that could provide a safer and more effective alternative to hormonal methods. Non-hormonal approaches targeting proteins essential for sperm production are showing promise in clinical trials with minimal side effects.
A team of researchers created a simple and inexpensive triboelectric nanogenerator using store-bought double-sided tape, plastic film, and aluminum metal. The device was able to produce higher power densities than previous versions, making it suitable for powering everyday devices such as LEDs and laser diodes.
Carrying out scientific experiments in space enables faster drug discovery due to lower gravity, speeding up the development of complex medicines. Protein crystallization experiments have been instrumental in designing cancer drugs, while studying aging treatments could lead to breakthroughs in stem cell therapy.
Researchers have developed a new technology that can swiftly put brakes on an overheated Li-ion battery, shutting it down and preventing fires. The material, which uses thermally-responsive shape memory polymer, maintains high conductivity at normal temperatures.
A new study published in ACS Central Science finds that some microRNAs can upregulate specific genes, increasing protein production in both normal and cancer cells. This discovery expands our understanding of how microRNAs function and has implications for the development of miRNA-based therapeutics.
A new study by American Chemical Society researchers found that cooler temperatures and certain bird species can increase the circulation of H7 and H9 strains of avian flu. The study used air samples collected near a wetland in east Asia to detect airborne avian flu viruses.
Researchers have identified a new biomarker, p-tau198, that could help diagnose Alzheimer's disease earlier than current tests. This biomarker shows promise in distinguishing AD from other neurodegenerative diseases and mild cognitive impairment.
Researchers found that extracts from hop flowers can inhibit the clumping of amyloid beta proteins, associated with Alzheimer's disease. The Tettnang hop extract showed potent anti-aggregation and antioxidant properties, promoting the body's ability to clear out misfolded proteins.
Researchers have designed a transparent window coating that can lower building temperatures without using energy. The coating blocks UV and near-infrared light while transmitting visible light, potentially reducing cooling energy consumption by 31% in hot cities.
A researcher swam 1,600 miles along the Danube River to raise awareness about water pollution and its effects on wildlife and human health. He highlighted microplastics, toxic algal blooms, and changes in river chemistry due to climate change.
Researchers used AI to predict compounds that could neutralize reactive oxygen species causing baldness. They successfully regenerated hair on mice using microneedle patches, providing a promising new treatment for androgenic alopecia.
Researchers create liquid metal circuitry using a desktop laser printer, enabling rapid printing of functional circuits onto various surfaces. The method produces devices that display images, tag RFID, sense temperature and sound, expanding the applications of liquid metal circuits.
Researchers used infrared scattering-type scanning near field microscopy to analyze two Stradivari violins, finding a protein-based layer between the wood and varnish. This discovery could help replicate historic instruments in modern times.
Researchers have developed an intranasal COVID-19 vaccine that works against the original virus and two variants, including omicron, in hamsters. The vaccine stimulates a strong immune response both systemically and in the respiratory tract.
Researchers found that cosmetics and personal care products labeled as having fluorinated components also contain PFAS, including emerging classes with unknown health impacts. The levels of PFAS in personal care products were generally lower than in cosmetics, but some products exceeded proposed Canadian regulations.
Health advocacy groups are concerned that period product ingredient lists are not detailed enough and haven't been tested for safety. Despite increased disclosure, many chemicals listed have not been evaluated for use on vulva and vagina skin, limiting consumer informed purchasing decisions.
Scientists have developed a method to store and release highly pure hydrogen using salts in the presence of amino acids, which could make large-scale hydrogen storage more feasible. The technique uses potassium salts, manganese-based catalysts, and amino acids to produce high-yield and pure hydrogen with minimal byproducts.
Major chemical companies are backing pyrolysis plants to expand plastics recycling, but environmentalists remain skeptical. The process converts plastic waste into hydrocarbon feedstocks that can be turned into plastics again, making up for the shortcomings of traditional recycling which captures only about 9% of plastics in the US.
Scientists have created a self-powered, temperature-activated device using edible materials like table salt, red cabbage, and beeswax. The sensor can be used to monitor the storage history of frozen products and alert consumers.
Researchers created a breathable underwater movement sensor by applying a thin, slippery coating to conductive fabric, enabling the detection of swimmers in distress. The smart system wirelessly alerts a smartphone app when a swimmer stops moving, indicating potential drowning.
Scientists have developed a prototype circuit board made of a sheet of paper with fully integrated electrical components, making it easy to dispose of responsibly. The new design uses wax and ink to print channels, conductive inks, and metal components onto the paper, creating a flexible and thin device that can be burned or degraded.
Researchers are studying COVID-19's impact on the sense of smell, finding that SARS-CoV-2 attacks support cells in the nose, leading to olfactory disorders. Potential treatments include gene scrambling fixes, platelet-rich plasma injections, and olfactory implants.
Researchers developed a biosensor that can detect brain cancer from minute blood samples using surface-enhanced Raman spectroscopy. The test distinguishes primary brain tumors from secondary tumors and predicts tumor location within the brain with high accuracy.
Researchers have created a CBD-based bioplastic material that could be used in medical implants, food wrappers, and other applications due to its antioxidant properties. The material has a broad melting temperature range and stretchability, making it suitable for industrial use.