Articles tagged with Environmental Engineering
A new specimen collection system has been developed to enhance assisted reproductive technologies by providing a simple one-step method for selecting high-quality sperm for ICSI. The system, known as NovaSort, uses a barrier mesh to isolate mobile sperm without damaging their DNA.
Researchers at Nanjing University have developed a miniaturized FSO system achieving an astonishing 9.16 Gbps bandwidth over 1 km link using readily available commercial fiber transceiver modules. The system enables automatic tracking and precision acquisition, eliminating the need for optical amplification.
U of I researchers have developed organic nanozymes that mimic the properties of natural enzymes, exhibiting peroxidase-like activities and detecting glyphosate with adequate accuracy. The OC nanozyme is quicker to produce, cost-effective, non-toxic, and environmentally friendly.
A research team at Pohang University of Science & Technology created a photomultiplication-type organic photodiode that recognizes colors without an electron receptor, improving stability and full-color capability in applications like biometric recognition technology and cameras.
A coordinated network of space lasers could prevent collisions with manned and unmanned space assets by nudging debris off potential collision courses. The artificial intelligence-powered lasers can maneuver and work together to respond rapidly to debris of any size.
The University of Missouri's Missouri Work Zone Safety Center of Excellence aims to reduce fatalities and serious injuries in highway work zones through research and outreach. The center will focus on integrating emerging technologies, data analysis, and countermeasures to address distracted driving and other safety concerns.
Researchers at Nagoya University developed a niobium waveguide that enhances high-precision communications for Beyond 5G/6G networks. The waveguide's conductivity improves with cooling, reducing losses and increasing data transmission accuracy.
Researchers at Cornell University have developed a new method to purify rare earth elements using metal-loving microbes. The microbe selectively adsorbs and purifies these elements, eliminating the need for harsh chemicals.
Scientists at the University of St Andrews have developed an electrically driven organic semiconductor laser, overcoming a decades-long challenge. This breakthrough has significant implications for various industries, including communication, medicine, and manufacturing.
Researchers at the University of Illinois have identified a novel pathway to stabilize nanoscale precipitates in alloys through nonequilibrium processes. By stopping precipitate coarsening, they can create stable nanostructures with improved mechanical properties.
A study of 288 skeletons and rock art reveals a surprising consistency in rates of violence over time, with an increase in lethal violence during the Formative Period. The absence of centralized political systems may have contributed to these violent tensions.
A study at Nagoya University reveals how FliG molecule controls bacterial motion, enabling faster and more efficient nanomachines. The findings could lead to compact motors with high energy conversion efficiency and instant direction changes.
Researchers developed a groundbreaking soft valve technology that integrates sensors and control valves into soft robots, eliminating the need for electric components. This innovation enables safe operation underwater or in environments with sparks risks, reducing weight burdens and costs.
A team of Korean researchers uses carbon capture and utilization technology to convert industrial CO2 into calcium formate and magnesium oxide, producing two commercially viable products. The process reduces global warming potential by 20% compared to traditional methods.
Researchers at Nagoya University have developed an enzyme that can convert methane into methanol at room temperature in water. This technology has the potential to reduce the carbon footprint of natural gas and could be used to convert other hydrocarbons, offering a low-energy and environmentally friendly solution.
A University of Texas at Arlington study estimates human destruction of natural floodplains on a global scale for the first time. The research found that between 1992 and 2019, the world lost 600,000 square kilometers of floodplains due to human disturbances.
Scientists are using AI to analyze pollen grains in sediments and air samples to understand past environmental change. The new system can classify over a thousand pollen grains in under an hour, providing insights into biodiversity and climate change.
A study published in Nature Geoscience found that blowing snow produces fine sea salt aerosols, increasing particle concentration and cloud formation in the central Arctic. These aerosols contribute to Arctic warming by trapping surface long-wave radiation, boosting temperatures.
A deep learning approach has unveiled a significant change in the characteristics of global daily precipitation for the first time. The research found that on more than 50% of all days, there was a clear deviation from natural variability in the daily precipitation pattern since 2015.
The study found that despite invasive strains, all yeast lineages belonged to the ethanol fermentation environment, keeping the industrial process stable. The researchers plan to investigate yeast population dynamics in more detail, including the impact of external agents like bacteria.
Scientists create a design that enables simultaneous presentation of photothermal, thermal conductive, and superhydrophobic properties, achieving record-high defrosting efficacy. The innovative assembly enhances de-icing and defrosting efficiency, reducing overall defrosting durations by 2-3 times.
Researchers discovered a unique optical signature in magnetic beads, which can be used to detect pathogens like Salmonella. This technique enables quick detection within less than an hour, potentially revolutionizing food and water testing.
A microscopic crack in platinum grew and then 'healed' itself by getting shorter after repetitive stretching, confirming Dr. Michael Demkowicz's 2013 prediction. The experiment used nanocrystalline metals with a small grain size, which allows for microstructural features to interact with cracks.
A study published in Science of the Total Environment found that biofiltration increased coho salmon hatchling survival by up to 87%, reducing mortality from stormwater runoff exposure. The method effectively removes contaminants, but implementation faces hurdles due to land requirements.
Researchers at the University of Manchester are enhancing bioprinting technology to create new skin, bone, and tissue for transplantation in space. The project aims to protect astronauts' health from diseases like osteoporosis caused by microgravity exposure.
A new framework by Concordia researchers shows that electrifying bus fleets can lead to significant reductions in greenhouse-gas emissions and maintenance costs. The study analyzed four Canadian cities and found a 18.7-34.6% reduction in cumulative GHG emissions from 2019 to 2030
Researchers developed a water harvester device that harnesses atmospheric water vapor using metal-organic frameworks and ambient sunlight. The device successfully collected up to 285g of water per kilogram of MOF in extreme environments, showcasing its potential for universal applicability.
The Tiangong space station features a T-shaped configuration with three modules: Tianhe, Wentian, and Mengtian. It boasts advanced technologies, including a large-area flexible solar array system, physicochemically regenerative life support systems, and robotic arms.
Scientists proposed an adapted Mars ISRU system to produce oxygen for ascent propellants and life support. The system's performance was modeled with various control options, optimizing cell voltage and flow rate while minimizing carbon formation risks.
Researchers have identified a novel pathway to stabilize nanoscale precipitates in alloys by utilizing nonequilibrium processes, stopping coarsening and resulting in stable nanostructures. This approach has potential applications in materials used for nuclear applications, batteries, and other industries.
A new technique converts kale waste into phytochemicals for use in health and personal care products, preserving potency and using non-toxic solvents. The method reduces energy consumption and emissions, making it attractive for industry adoption and supporting a circular economy.
A three-year study investigates how showerhead features affect concentrations of DWPIs in shower water and aerosols. The research aims to provide insights for consumers to select healthier showerheads and minimize exposure risks.
The University of Hong Kong's research team has proposed a universal unit to standardize data sharing in antimicrobial resistance surveillance. This approach aims to enhance comparability across studies and facilitate globally coordinated efforts against antimicrobial resistance. The team's work has the potential to significantly chang...
Researchers aim to create machine learning tools that can analyze and quantify shape information from images, enabling more accurate diagnoses and improving patient care. A new family of deep neural networks, called DSNNs, will be developed to tackle AI's blind spot in image analysis.
Scientists have developed a new method to manufacture high-performance aluminum matrix composites using asymmetric cryorolling, resulting in improved mechanical properties and increased ductility. The technique produces sheets with fewer microvoids, finer grain size, and higher density of dislocations.
Quantum ghost imaging allows 3D imaging on a single photon level, enabling the lowest photon dose possible. The technique can be applied to image materials and tissues sensitive to light or drugs without risk of damage.
A breakthrough solution has been discovered to recycle blended fabrics like polyester/cotton using a simple technique involving heat, non-toxic solvent, and household ingredient. This environmentally friendly approach can recover cotton on a scale of hundreds of grams while preserving the plastic component.
Researchers are creating synthetic microbiomes to protect aquatic environments from bacteria, improving shrimp health and reducing the risk of disease in aquaculture farms. The team is collaborating with farmers in Ecuador to develop new microbial communities that will increase resistance to pathogenic bacteria.
Researchers develop low-cost, scalable energy storage system using cement and carbon black. The technology facilitates renewable energy sources like solar, wind, and tidal power by providing stable energy networks.
Researchers developed an AI-based system using wastewater data from US counties to predict COVID-19 hospital admissions. The model achieved accurate predictions, allowing public health officials to prepare for and manage pandemic waves.
Scientists develop two novel SCAMs with enhanced stability and excellent Fe3+ sensing ability. The materials exhibit a quantum yield of up to 9.7% and exceptional stability in water, making them suitable for environmental monitoring.
Researchers investigated the fatigue behavior of 2D hybrid organic-inorganic perovskites (HOIPs), discovering they can survive over one billion cycles, outperforming most polymers under similar loading conditions. The study provides insights into designing and engineering these materials for long-term mechanical durability.
A Penn State-led research team has created a stretchy integrated electronics system by sandwiching an n-type semiconductor between two rubbery materials. The stack architecture improves mechanical stretchability and suppresses microcracks, enabling high device performance even when stretched.
Researchers at WVU have developed a way to view synthetic DNA at the atomic level, enabling them to understand how to change its structure for enhanced scissor-like function. This breakthrough could lead to new technology for medical diagnoses and treatments, including potential therapies for diseases like retinal degeneration and cancer.
Researchers at Politecnico di Milano used fibre optic sensors to monitor water pipelines and detected pressure anomalies caused by water leaks. The study's results confirm the possibility of identifying and localizing small water leaks, offering a potential solution to global water wastage.
Research predicts increased frequency and intensity of extreme El Niño events due to high atmospheric carbon dioxide, even after CO2 reduction. Simulations suggest potential climate regime shifts in affected regions, with some areas experiencing desertification while others face increased flooding.
Researchers have proposed an innovative solution to address limitations of lidar technology, enabling imaging in low SNR environments. The novel technique uses a high-scanning speed AOD and metasurface-enhanced scanning lidar, extending ambiguity range by up to 35 times.
A novel stress signalling system has been discovered by SMART researchers, enabling bacteria cells to adapt and survive against the immune system and certain antibiotics. The breakthrough discovery of RlmN as a stress sensor may lead to the development of new therapies to combat antimicrobial resistance.
Researchers at UC Santa Barbara found that diatoms and coccolithophores, two key phytoplankton groups, can tolerate increased ocean alkalinity without significant harm. The treatment can speed up the geologic process of carbon sequestration, reducing acidity in oceans.
Researchers at RMIT University have developed a novel method to grow pure mycelium sheets that can be layered into different uses, including fire-retardant cladding for buildings. The fungal-based material is biodegradable, non-toxic and produces naturally occurring water and carbon dioxide.
A new study by Washington University researchers identifies primary organics as the main drivers of high PM2.5 concentrations over South Asia, attributing 1 million deaths to residential combustion and industry emissions in 2019.
The UK Research and Innovation has awarded £53 million in funding to six research centers to boost knowledge, create innovative green technologies, and reduce energy demand. The focus is on developing game-changing ideas to improve domestic, industrial, and transport energy systems.
Researchers at Flinders University use machine learning to identify species interactions and predict which species are most likely to go extinct. By analyzing species traits and interactions, the algorithm can help plan interventions before extinctions occur.
Lead-free Cs3MnBr5 anti-perovskite nanocrystals embedded in glass matrices enable tunable emission and ultra-stable X-ray imaging. The results achieve exceptional X-ray detection limits, spatial resolutions, and dose irradiation stability.
Researchers found that viruses can insert genes into bacteria to help them adapt and survive in nutrient-depleted man-made environments. The study also identified novel immune systems against viruses in bacteria and detected antibiotic resistance genes in viruses on human skin and surfaces.
Researchers have developed bat-inspired drones to eliminate moth pests from greenhouses using sound-based technology. The drones' noise affects moth flight behavior, causing some to fly erratically and others to cease flying altogether.
A team of scientists discovered that ions transfer through polymer membranes in hybrid liquid-gas electrolyzers via diffusion, not electromigration. This finding has significant implications for the development of more efficient and environmentally friendly energy technologies.
Researchers developed a fast and affordable test to predict cement durability using computer vision, which can analyze water droplet absorption on surfaces. The new test is less tedious than current methods and could help the cement industry improve quality control.
A recent study by the University of Bologna reveals that the EU is far from meeting its goal of protecting 10% of its land area for biodiversity. The study found that many countries have inadequate protection in place, with some having very few protected areas and others failing to implement integral protection in national parks. To ac...
Scientists at Argonne National Laboratory discovered a new fluoride electrolyte that can protect lithium metal batteries against performance decline. The electrolyte maintains a robust protective layer on the anode surface for hundreds of cycles, enabling the battery to last longer.