Articles tagged with Environmental Monitoring
Researchers developed a cellphone-based colorimetric multi-channel sensor for simultaneous detection of various environmental contaminants. The compact sensor achieved high sensitivity, specificity, and reliability, with improved sensitivity by over six folds compared to direct photography.
Dartmouth College researchers have developed a durable copper-based coating that can precisely be integrated into fabric to create responsive materials for protective equipment, environmental sensors, and smart filters. The coating responds to toxic gases in the air by converting them into less toxic substances trapped in the fabric.
Researchers at Goethe University Frankfurt have found that jet engine lubrication oils are a significant source of ultrafine particles. These tiny particles can penetrate deep into the lungs and trigger inflammatory reactions, potentially contributing to cardiovascular diseases.
A team of researchers from Xi'an Jiaotong-Liverpool University and other institutions has identified a flexible and user-friendly model for predicting flood frequency in a changing environment. The fractional polynomial-based regression method is more effective than existing models, which often fail to account for factors like climate ...
A cross-disciplinary team at Northwestern University has developed a sensor platform that can detect environmental contaminants like fluoride in real-world samples. The team used an established riboswitch to build a biosensor for fluoride, encapsulating the sensor inside a fatty membrane to protect it from contaminants.
A global registry for gene-drive modified organisms could facilitate transparent communication, monitor ecological impacts, and inform local decision-making. Experts agree that a registry is necessary for the fair development, testing, and use of gene-drive technologies.
A team of ecologists is calling for the designation of World Heritage Environmental Datasets to secure funding and ensure their long-term accessibility. These datasets, which include vital information on climate change adaptation, resource management, and environmental policy, are essential to understanding global change.
Researchers found particulate air pollution concentrations between 10 to 20 times higher inside the Copenhagen Metro system compared to street level. The concentrations measured at stations were 109-168 µg m−3, exceeding EU's 25 µg m−3 standard.
A new bioreactor system developed by KAUST scientists delivers gases to maintain physiological environments, reducing unpredictable shifts in cell growth. The system allows for more accurate and reproducible experiments in biomedical research.
Researchers found that less intensively managed grasslands had greater diversity of plant species and correlated with better soil health, including increased nitrogen and carbon levels. In contrast, intensively farmed plots showed fewer plant species, but some saw improvements in soil health over time.
Aston University scientist Dr Maria Pimenta da Costa Ocampo provides tailored low-carbon advice to clothes designer Debbie Murphy of Missfit Creations. The advice helps reduce carbon emissions by analyzing the recirculation of second-hand clothes, achieving CO2 equivalent of three tonnes.
Researchers developed a fast and cost-effective method to detect amphiphiles, a ubiquitous family of chemical compounds used in disease diagnosis and toxin detection. The new test uses rolling droplets on microstructured surfaces to detect levels of pathogenic endotoxins in water at ultralow concentrations.
A study led by the University of Zurich found that diverse Arctic vegetation affects the land surface energy budget. The researchers linked vegetation types to energy exchange data from 64 measuring stations, revealing a significant difference in heat flux between various vegetation types and glaciers/grasslands.
A Tel Aviv University study reveals that the Israeli shoreline is contaminated with more than two million tons of microplastics, with Tel Aviv and Hadera beaches being the most polluted. The researchers warn that exposure to microplastic waste is unavoidable and poses a risk to human health.
A new study found that offshore mussel farms can increase species abundance, including Atlantic horse mackerel and European lobster, on degraded seabed habitats. The research suggests that this practice could have wider environmental benefits, supporting the national and international Blue Growth agenda.
A study by UBC Okanagan researchers suggests that tire particles can contaminate freshwater sources, including lakes like Okanagan and Kalamalka. The researchers estimated that over 50 tonnes of tire and road wear particles are released into waterways annually.
The researchers developed a conformable multimodal sensor face mask (cMaSK) with 17 sensors around the edge of the mask that measure capacitance, temperature, humidity, air pressure, and other parameters. The study found that mask fit was significantly worse for women than men due to gender-related differences in face shape and size.
A £7M NIHR award will scale clean energy access to improve health, gender equality and climate in sub-Saharan Africa. The project aims to address household air pollution, a significant risk factor for global disease, and will focus on informing national strategies to meet the UN's Sustainable Development Goal 7.
A team from Harvard John A. Paulson School of Engineering and Applied Sciences has developed an electro-optic frequency comb that is 100-times more efficient and has more than twice the bandwidth of previous state-of-the-art versions.
A new study from North Carolina State University shows that soil temperature can be used to predict the spread of the corn earworm, an important pest affecting various crop species. The research reveals three geographic zones where the pest can overwinter, and models suggest that these zones will shift northward due to climate change.
A new study from the University of South Australia shows that captive frogs can be protected from the deadly fungus Batrachochytrium dendrobatidis (Bd) through natural skin shedding processes. However, captivity also reduces skin bacteria diversity and richness, potentially affecting the frogs' resilience to pathogens.
A global report reveals ladybird species are poorly understood due to human activities, and urgent conservation actions are needed. The research emphasizes the importance of protecting habitats, particularly those that provide overwintering sites for ladybirds.
A new sensor can detect and identify different types of nanoplastics in the air using colorful carbon dot films. The sensor can report the amount of particles from a certain plastic type above or below a predetermined concentration threshold.
Researchers have identified 12 marine species as potential bioindicators for monitoring plastic pollution in the North Pacific Ocean. These species, including Pacific oyster and long-nosed lancetfish, can help assess the extent of plastic pollution and inform effective reduction measures.
Researchers observed a decline in blue and yellow colouration among two blue tit populations over 15 years due to rising temperatures and falling rainfall. This change may affect mating patterns as traits like coloration serve as signals to indicate quality.
A long-term research project found creating wildlife habitats significantly increased local bird and butterfly populations without damaging food production. The study assessed the effectiveness of agri-environmental measures in reducing biodiversity losses caused by intensive farming practices.
A multidisciplinary study uses magnetometers to investigate the magnetic fields of metropolitan areas, finding that each city has a distinct magnetic signature. This unique characteristic can be exploited to analyze anomalies in city operation and long-term trends of urban development.
Researchers at Boston College found air-pollution-related disease, death and IQ loss occur in every city and town in Massachusetts. The study estimated a cumulative impact on childhood cognitive development of almost 2 million Performance IQ points lost.
Researchers developed smart textiles that sense wearer's posture and motions using a novel fabrication process called thermoforming, which improves pressure sensor precision. The technology has potential applications in healthcare and rehabilitation, such as tracking gait or monitoring pressure on diabetic patients' feet.
A report by experts predicts 15 issues that will impact marine and coastal biodiversity in the next decade, including lithium extraction, wildfires, and overfishing. The study aims to raise awareness and encourage investment to protect these ecosystems.
Researchers discovered microplastics in Palau's coral reefs, despite their pristine nature, raising concerns about the impact on marine life. The study highlights the pervasive presence of plastic pollution in even the most protected ecosystems.
Researchers successfully used Distributed Acoustic Sensing to passively listen to whales, detecting over 830 vocalizations and locating their positions with unprecedented spatial resolution. The technique allows for real-time monitoring of whale behavior, as well as detection of other ocean sounds like storms and earthquakes.
Researchers explore the emergence of antibiotic resistance genes in bioaerosols, including sources and detection strategies. The study highlights the need for monitoring and understanding the relationship between human, animal, and environmental microbiomes to counter the spread of AR.
More than 300 EU experts propose changes to the future CAP to protect farmland biodiversity, including direct aids and spatial planning. The new policy should favor attaining environmental targets, encouraging practices that promote biodiversity.
Researchers have developed an electric nose using porous metal-organic framework films to distinguish between xylene isomers in mixtures. The MOF-based e-nose achieved 86% and 96% accuracy for detecting xylene at low concentrations, paving the way for improved environmental monitoring and diagnostic health testing.
A new study warns that the Red-billed Leiothrix, a loud and brightly coloured bird from subtropical Asia, could become established in Britain, altering the country's dawn chorus. The species has already been spotted in several parts of Europe and is kept as a cage bird, potentially leading to its escape into the wild.
A study by researchers at the University of Oldenburg found that spider webs are contaminated with varying levels of microplastic particles, including PET and PVC. The team discovered that the amount of plastic particles in the webs depends on location, with roads having high traffic volumes producing more microplastics.
Researchers use AI software to identify invasive species and native trees threatened by disease from photos taken by on-train cameras. This technology enables railway workers to take action to better manage lineside vegetation and achieve biodiversity net gain by 2035.
A new project led by INRS will assess how living organisms respond to reduced pesticide use, focusing on soil and water health. The study aims to provide a clear understanding of the benefits and limitations of reducing pesticide use in sustainable farming.
A new study developed a way to use satellite imaging data to create 3D images that can quickly detect changes on the Earth's surface. The tool could be used to detect significant natural disasters in remote regions, giving first responders accurate information about the needs of the affected region.
Researchers have developed a new type of optical fiber that generates high-power supercontinuum light in the mid-infrared spectrum, expanding its applications for environmental monitoring and cancer diagnostics. The non-silica graded-index fiber provides a self-cleaning mechanism, enabling efficient generation of broadband sources.
A team of researchers from INRS has developed a new tool to measure the effects of endocrine disruptors in wastewater. Using human cell lines, they can detect the presence of these contaminants and predict their harmful effects without resorting to animal testing.
A novel method developed by the University of Tsukuba uses drones and machine learning to estimate the amount of plastic litter in rivers. The approach combines high-resolution optical and thermal images, resulting in more accurate estimates than other methods.
Researchers at Virginia Tech have found that key parts of the global carbon cycle used to track movement of carbon dioxide in the environment are not correct. The estimate of how much carbon dioxide plants pull from the atmosphere is critical to accurately monitor and predict the amount of climate-changing gases in the atmosphere.
Researchers found that livestock grazing had no negative impact on snow leopard distribution or density, and the species can coexist due to their separate ecological niches. The study suggests a more nuanced approach to conservation and land use, prioritizing the preservation of rocky mosaics.
The SPRING project is establishing an EU-wide census of pollinators, building on existing butterfly monitoring schemes. The project will use a variety of methods, including standard routes for counting wild bees and hoverflies, to gather data on the diversity and abundance of pollinators.
A new study suggests that the majority of ocean plastics are on the seafloor or difficult to monitor, with an estimated 540 million metric tons trapped on land. The research estimates that large plastics and microplastics account for only a small percentage of total ocean plastic waste.
Researchers developed tiny sensor-carrying devices inspired by dandelion seeds to monitor environmental conditions like temperature and humidity. The devices can travel up to 100 meters on a breeze, share data wirelessly up to 60 meters away, and power themselves using solar panels.
Researchers at Skoltech have developed a new method to monitor soil freezing, enabling the creation of safer and more stable structures in permafrost regions. The water potential method is fast, inexpensive, and applicable to various soil types, providing accurate estimates of freezing point and unfrozen water content.
A team of researchers has developed a new method using environmental DNA analysis to track the source of fecal contamination in surface water. By analyzing specific DNA sequences, they can identify the main contributors to pollution and potentially pinpoint areas with faulty wastewater treatment infrastructure or poor manure management.
Researchers developed a simple and efficient method for surveying amphibians using environmental DNA analysis, which can be conducted by anyone without specialist knowledge. This technique resolves issues with conventional methods such as capture and observational surveys, allowing for more accurate monitoring of amphibian habitats.
Researchers analyzed pine needle samples to track the presence and concentrations of over 70 different types of PFAS in six N.C. counties from 1961 to the present. The findings show a snapshot history of a half century of PFAS contamination, including the introduction and phasing out of new chemicals.
A recent global study found that more than a quarter of the world's rivers had pharmaceutical concentrations at potentially toxic levels. The study, which included data from over 258 rivers across seven continents, also revealed concurrent contamination by multiple classes of pharmaceuticals.
Swine waste lagoon construction dates have been established for the first time using satellite imagery, providing insights into their environmental impact. The study focused on North Carolina and found that approximately 16% of lagoons were already in place before 1987.
A new study found concentrations of pharmaceuticals at potentially toxic levels in over a quarter of the world's rivers, including major waterways like the Thames and Amazon. The research highlights the need for increased monitoring to mitigate environmental impacts.
Researchers monitored cell environments for three days, finding significant differences from native conditions. The team aims to develop recommendations on improving culture conditions and reduce environmental instability.
A Texas A&M University study reveals that indoor air quality in homes is often worse than in office buildings, with higher concentrations of fine particulate matter and volatile organic compounds. The research suggests that remote workers are exposed to poorer health outcomes due to inadequate home air quality.
Researchers found that soil pH and total cadmium are key factors controlling cadmium uptake in cacao beans. Liming soils can increase yield while reducing cadmium content, but access to lime may be limited for smallholder farmers.
The eLTER call offers Transnational Access (TA) and Remote Access (RA) for scientists working on biodiversity, biogeochemistry, and socio-ecological research. The 39 sites in 19 countries provide state-of-the-art instrumentation and long-term data.
Researchers found a 30% larger decrease in surface-level NO2 levels in countries with strict lockdowns compared to those without. Within cities, variations were stark, with areas near coal-powered plants or airports seeing greater reductions.