Researchers applied high-resolution mass spectrometry to investigate synthetic chemical contamination in two lakes in Central Europe, capturing the past 100 years of sediment layers. The analysis revealed concentrations of industrial chemicals starting in the 1950s, marking the beginning of large-scale human impact on the environment.
Scientists have found that a rare genetic disease known as NGLY1 deficiency could hold the key to understanding resistance to cancer drugs. Dampening this enzyme may allow proteasome inhibitors to continue killing cancer cells, providing hope for new treatments.
Industry is utilizing 3-D printing technology to reduce production time and costs, with companies like Volkswagen saving hundreds of thousands of dollars. However, material flaws and limitations continue to hinder the widespread adoption of 3-D printed products for consumers.
A new study estimates that about 2 million Americans may be exposed to high levels of naturally occurring arsenic in their private well water. The researchers developed a model incorporating tens of thousands of existing arsenic measurements and identified arsenic hotspots in regions with higher concentrations.
Scientists used animation techniques from 'Star Wars' to develop a new molecular modeling tool, yielding insights into sperm tail movement and protein motors. The project also tackled a fundamental challenge in science: modeling hierarchical cellular and molecular motions across various scales.
Researchers measured firefighters' exposure to carcinogens and found post-fire levels of PAH metabolites in urine were 2.9-5.3 times higher than pre-fire levels. Skin decontamination may help reduce exposure, the study suggests.
Researchers discovered medieval artisans used an ancient method to coat silver threads with gold, revealing a technique that endured for centuries. The study employed lab techniques to characterize the chemistry of the threads and strips, showing the gold coating was applied using heat and hammering.
Scientists detected 10 key odorants in Wagyu beef, including a previously associated compound with cooked chicken, and unsaturated fatty acids play a crucial role in its aromatic process
Researchers have developed a portable and affordable wearable sensor, a ring that can detect chemical and biological threats, revolutionizing external threat detection. The device, designed with fashion in mind, offers a compact and non-invasive solution for widespread adoption.
Researchers have developed a new class of drugs called PARP inhibitors to treat ovarian cancer by targeting synthetic lethality. These drugs aim to kill cancer cells by exploiting their genetic vulnerabilities, offering new hope to those with limited treatment options.
Researchers found that 57 rivers worldwide contribute significantly to ocean plastic pollution, with the top 10 accounting for 88-95% of global loads. Halving plastic waste in these 10 waterways could potentially reduce total ocean contribution by 45%.
Researchers have developed a new material using asphalt and graphene to create a safer lithium-ion battery. The asphalt battery has higher conductivity than traditional lithium-ion batteries and is more than 10 times faster at recharging.
Researchers discovered Hu-Kaiwen ink can kill cancer cells without harming normal tissues, offering an alternative to expensive and toxic PTT. The traditional Chinese ink absorbs near-infrared light and heats up when exposed to a laser, demonstrating its potential as a non-toxic photothermal therapy agent.
Researchers have identified a novel compound called HT-0411 that enhances long-term memory in animals, leveraging CREB activation and monoamine oxidase B inhibition. The study suggests potential for pharmaceutical enhancements of human memory.
Researchers have developed an environmentally friendly process to transform olive mill wastewater into sustainable products. The process involves embedding the wastewater in cypress sawdust, rapidly drying it, and then subjecting it to pyrolysis to produce bio-oil and charcoal pellets.
Women and men in chemistry face traumatic experiences of sexual harassment, with many not reporting incidents due to shame or fear of retribution. In response, universities and science departments are establishing training and support networks, while legislation proposes requiring university reports to federal agencies.
Scientists couple cell phone data with sewage testing to reveal fluctuations in population size, showing pharmaceutical use remains stable while illicit drug use rises, particularly on weekends
Broccoli sprouts contain higher levels of glucosinolates, a key compound for their potential health benefits. High pressure processing has been found to maintain these beneficial compounds while eliminating bacteria.
Scientists have developed a new treatment option using nanogels to encapsulate stem cells, which can repair damaged heart tissue and trigger an immune response. This method has shown increased cell retention and regeneration compared to traditional treatments.
Scientists found that metabolic changes occur soon after quitting smoking and can lead to improved lung function and reduced heart attack risk. The study identified 52 metabolites altered by smoking, with several showing reversible changes towards a nonsmoker's profile.
Researchers have developed a new test that can provide results in just hours for diagnosing bacterial infections like Strep throat. The test uses lipid vesicles to detect beta-hemolytic bacteria with 100% accuracy on plates and 99% accuracy in liquid broth.
Researchers have developed a way to print electronics that can fold themselves into desired shapes, addressing limitations of traditional 3D printing. The new ink-based method uses residual stress to create self-folding devices without additional processing steps or stimulus.
Chinese researchers have successfully sent encrypted messages using quantum-entangled photons over a distance of over 700 miles, breaking the previous record. The achievement is significant as it paves the way for practical quantum communication systems.
Researchers develop eco-friendly leather processing method using molten salts to remove hair and open fibers, reducing pollution output and treatment time. The new process eliminates the use of harsh chemicals like lime and sodium sulfide.
Researchers found 132 antibiotic-resistant genes in commercially available fishmeal, which can boost the growth of harmful bacteria in marine farm sediment. This discovery suggests that fishmeal could be a reservoir for these genes, promoting their distribution globally.
A new, fast, and affordable tuberculosis test has been developed for resource-limited areas, enabling early diagnosis and treatment. The paper-based device uses gold nanoparticles and single-stranded DNA to detect Mycobacterium tuberculosis bacteria.
A study found that a coffee compound called cafestol improves cell function and insulin sensitivity in laboratory mice, potentially spurring the development of new Type 2 diabetes treatments. Daily consumption of cafestol may delay the onset of diabetes in humans, according to researchers.
The US Environmental Protection Agency (EPA) has announced a plan to enforce stricter ozone limits, despite opposition from the chemical industry and some environmental groups. The Clean Air Act allows EPA to review and adjust standards for ozone emissions, which have been linked to smog and respiratory illnesses.
Researchers developed a $40 portable allergen-detection system called iEAT, which can detect five common allergens in under 10 minutes. The device extracts allergens from food and uses an electronic keychain reader to sense and transmit results wirelessly.
Researchers found 132 antibiotic resistance genes in commercially available fishmeal, which can potentially confer resistance to common antibiotics. The application of fishmeal to marine farm sediment samples increased the abundance and diversity of antibiotic resistance genes, boosting potential human pathogenic bacteria.
Developed by a team of researchers, the biosensor uses antibody fragments and polyethylene glycol molecules to detect target compounds in serum. The device can diagnose many conditions and illnesses at sub-picomolar concentrations, making it inexpensive and easy to use.
Researchers eliminate almost all nanoparticle emissions from some 3-D printers using a new approach that involves enclosing the device with a HEPA filter and printing at low temperatures.
Researchers have created an insecticide potion that mimics the scent of flowers and nectar, luring mosquitoes into feeding on it, which is lethal. The 'Vectrax' formulation has shown promising results in suppressing malaria and other mosquito-borne diseases worldwide.
Researchers from Ohio University designed and built the Bobcat Nanowagon, a nanocar with a pseudorotaxane H-shaped frame and four wheels. It traveled 43nm on a gold track before getting stuck, earning a third-place showing in a competition that spurred interest in molecular machines.
A team of researchers has successfully transformed lignin, a component of plant cell walls, into strong and durable carbon fibers. The new material, made by blending lignin with polyarylonitrile, shows promise for reducing the carbon footprint of the automobile industry.
Researchers have developed a method using the coffee-ring effect to analyze multiple components in a single drop of water easily and quickly. The technique provides a cost-effective alternative to traditional methods, which can be overwhelming and expensive for individuals to conduct at home.
Scientists have created cyborg bacteria that can produce acetic acid from carbon dioxide using sunlight as energy, outperforming natural photosynthesis with an efficiency of over 80%. This technology has the potential to replace traditional petrochemical industries and provide a zero-waste solution.
Researchers develop microorganisms that convert human urine and CO2 into chemicals to make new plastics and nutrients. The goal is to reduce waste and reuse resources for long-duration space missions, which require minimizing fuel costs by conserving weight.
A new approach uses a polymer sponge implanted in fat tissue to reduce weight gain and blood-sugar levels in obese mice. The treatment, which 'gets the fat to talk' again, shows promise as a simpler alternative to current diabetes treatments.
Scientists have discovered a plethora of chemical compounds in avocado seed husks, which could be used to treat debilitating diseases. The researchers found compounds like behenyl alcohol, heptacosane, and dodecanoic acid, which may inhibit tumor cell growth and increase HDL levels.
Researchers used a portable macro X-ray fluorescence instrument to analyze an ancient Roman painting, revealing elements such as iron-based pigment and green earth pigment used in the underpainting. The study could help conservators restore the image and preserve ancient artistry for future generations.
Scientists have created magnetic nanobiocomposite beads that can effectively remove oxybenzone, a coral killer found in sunblock, from seawater. The beads, made from environmentally friendly materials, can capture high concentrations of oxybenzone and have shown promising results in laboratory tests.
Researchers create a packaging film coated with clay nanotubes and antibacterial essential oil to prevent microbial growth and over-ripening. The new technology shows promise in preserving fruits, vegetables, and meats, reducing food waste and economic losses.
A new portable sensor developed by American Chemical Society researchers can detect food spoilage, contaminants and authenticate products. The sensor uses nanostructures to bind to compounds of interest, changing color with intensity indicating concentration.
Researchers found that licorice extracts from three species can inhibit certain liver enzymes involved in drug metabolism, potentially causing interactions with medications. The team plans to develop a safe and effective licorice therapy using a specific species, G. glabra, for women experiencing menopausal symptoms.
Researchers have made progress toward a vaccine against fentanyl and heroin combinations, showing efficacy in monkeys. The vaccine stimulates production of antibodies that bind to the heroin molecule itself and prevent it from reaching the opioid receptor.
Scientists develop silver nanowire-coated textiles that provide multiple protection capabilities against extreme cold weather. These fabrics can capture sweat and maintain a consistent temperature, improving soldier comfort during missions.
Researchers have developed silk-based wearable body sensors with high sensitivity and flexibility, enabled by the use of N-doped carbon and graphene nanoparticles. These sensors can monitor various body functions in real time, enabling more rapid response times for medical professionals.
Researchers have developed a mussel-inspired glue that can prevent premature labor and promote healthier futures for babies. The adhesive, infused with dihydroxyphenylalanine from mussel feet, has shown promise in preventing amniotic sac tears during fetal surgery.
Researchers have discovered that certain sugars in breast milk can act as anti-biofilm agents, helping prevent GBS infection in infants. The study suggests these sugars could potentially become part of an antibacterial treatment for infants or adults.