scispace - formally typeset
Search or ask a question

Answers from top 8 papers

More filters
Papers (8)Insight
Data collected by the authors show that the gas is also abundant in the Southern Hemisphere, where it comes mainly from the burning of tropical rain forests and savannas.
The approach to remove green house gases by pumping liquefied carbon dioxide several kilometres below the ground implies that many carbonate containing minerals will be formed.
This gas appears to be the most variable minor constituent in the atmosphere of Mars.
Buildings have now a days become the largest producer of green house gases, thus making them a potential option for analysis.
These changes are qualita- tively consistent with those expected from increased green- house gases in the atmosphere.
Also, since it acts as precursor to green house gas, the data would be useful for climate change assessments.
This research provides a unique view of gas flux variation within the house.
Also, this gas can be removed almost completely from the atmosphere, if the rates of introduction of these external species are very large.

See what other people are reading

What is blood lactate?
5 answers
Blood lactate, also known as lactic acid, is a metabolic product produced during anaerobic metabolism. It serves as an indicator of tissue hypoxia and is crucial in assessing oxygen transport efficiency in critically ill patients. Elevated blood lactate levels can indicate overproduction, decreased clearance ability, or a combination of both, posing a risk of mortality in critically ill individuals. In sports, blood lactate concentration increases with physical activity, varying among individuals, and can be used as a biomarker for exercise intensity. Recent advancements in biosensors, like those developed at the M.V. Lomonosov Moscow State University, offer high selectivity for lactate measurement, aiding in monitoring training intensity and post-exertional recovery.
What gas does an avocado give out WHEN RIPE?
4 answers
Avocado emits ethylene gas when ripe, which plays a crucial role in the ripening process. Ethylene is a key volatile organic compound (VOC) produced by avocados during the post-harvesting phase, particularly during the climacteric rise in fruit respiration. This gas is essential for triggering various ripening-related responses, such as softening, color changes, and flavor development in avocados. The production of ethylene by ripe fruits like avocados has been extensively studied and is associated with the climacteric peak in fruit respiration, indicating the fruit's ripeness. Therefore, ethylene gas emission serves as a reliable indicator of avocado ripeness and is a critical factor in the fruit's maturation and post-harvest processes.
What factors can drive creation of more Mineral associated organic material (MAOM) in soils?
8 answers
The creation of mineral-associated organic matter (MAOM) in soils is influenced by a complex interplay of factors, including mineral type, land use, management practices, the nature of organic inputs, and environmental conditions. Research has shown that the type of mineral present in the soil is a critical determinant of MAOM formation, with iron and other metal oxides, such as those found in goethite, being particularly effective at stabilizing organic carbon (OC) compared to minerals like illite. The impact of land use and management intensity also plays a significant role, with different practices affecting the amount of OC that accumulates on minerals. For instance, organic fertilization has been found to provide the best conditions for MAOM-C stabilization, indicating the importance of continuous organic matter inputs and their turnover. The physical and chemical nature of plant inputs, including their structural versus soluble characteristics and chemical composition, directly influences the pathways and efficiencies of SOM formation, with soluble inputs being more efficiently transformed into MAOM. Climate and parent material further interact to influence the mineral assemblages that contribute to SOM persistence, with poorly crystalline minerals playing a key role in protecting soil C from decomposition. A trait-based framework suggests that plant and microbial traits significantly affect the proportion of organic matter inputs that are incorporated into MAOM, with these traits potentially being altered by climate change. Sequential sorption experiments have highlighted the "legacy effect," where previous sorption events affect subsequent MAOM formation by altering mineral surface chemistry and decreasing sorption site availability. Root exudates, such as oxalic acid and glucose, can mobilize MAOM, indicating that plant-root interactions can influence MAOM dynamics. The persistence of various classes of SOM, including MAOM, has been linked to soil Fe mineralogy, with specific organic molecules more likely to form associations with certain minerals. Comparative studies across diverse ecosystems have shown that both particulate organic matter (POM) and MAOM contribute significantly to soil C decomposition, with their characteristics often related. Finally, interactions between lignin decomposition products and redox-sensitive iron minerals suggest that lignin-derived carbon may also contribute disproportionately to MAOM, especially following redox-sensitive biogeochemical interactions.
What are the current advancements in cell-free systems for nucleic acids analysis in Latin America?
5 answers
Current advancements in cell-free systems for nucleic acids analysis in Latin America involve the implementation of new technologies alongside education to address challenges in molecular diagnostics. Analyzing cell-free nucleic acids (cfNAs) offers insights into various biological properties and functions of organisms, with potential applications in clinical care and research. Specifically, the focus is on liquid biopsy using cell-free DNA as a blood-based biomarker to detect and monitor solid tumors, highlighting advantages like patient safety and improved turnaround time. Moreover, microfluidic- and nanofluidics-based approaches for nucleic acid sensing and analysis are gaining interest, especially during the COVID-19 pandemic, with advancements in polymerase chain reaction platforms, isothermal target amplification methods, and label-free DNA/RNA analysis techniques. These advancements aim to enhance diagnostic capabilities and contribute to the overall progress of healthcare in Latin America.
What are factors why local bone turnover cannot be assessed in total serum bone markers like PINP or CTX?
5 answers
Local bone turnover cannot be assessed using total serum bone markers like PINP or CTX due to the limitations in their measurement. PINP and CTX are systemic markers that reflect overall bone turnover rather than specific local changes. These markers are influenced by various factors such as age, gender, and biological variations, making it challenging to isolate local bone turnover effects. Additionally, the poor reproducibility and variability of bone turnover markers within subjects and between laboratories hinder their accurate assessment of local bone turnover. Therefore, while PINP and CTX are valuable for monitoring therapy and assessing general bone metabolism, they lack the specificity required to evaluate local bone turnover changes effectively.
How does the amount of lead released from aerial cables vary over time and in different locations?
5 answers
The amount of lead released from aerial cables varies over time and in different locations due to anthropogenic activities and technological advancements. Studies show that lead emissions have fluctuated historically, with peaks during periods of intensive metal production like the Roman and Medieval eras in Europe. Furthermore, analyses of lead concentrations near non-ferrous metals smelters indicate a reduction in lead contamination with distance from the pollution source, highlighting the impact of local industrial activities on lead release. Additionally, research on air releases of lead from stationary sources in California emphasizes discrepancies in emission data and the importance of standardizing estimation methods to accurately track lead pollution over time and across regions. Overall, the evolution of lead emissions from various sources reflects changes in industrial practices and environmental regulations, influencing the spatial and temporal distribution of lead pollution.
What plants are known to filter lead from the air?
4 answers
Jatropha integerrima, Hibiscus rosa-sinensis, Ruellia tweediana, Riccia, Conocarpus lancifolius, Ziziphus spina christi, Eucalyptus sp., Albizia lebbeck, Nerium oleander, Dodonaea viscosa, Phoenix dactylifera, Olea europaea, Myrtus communis, Ficus nitida, Citrus aurantium, Pinus merkusii, Beringin (Ficus benjamina), Kemuning (Murraya paniculata), Flamboyan (Delonix regia), Bintaro (Cerbera manghas), and Ceratophyllum demersum are known for their ability to filter lead from the air. These plants have been studied for their capacity to absorb lead particles, with varying concentrations found in their tissues. The research highlights the importance of utilizing these plant species in urban areas and industrial regions to mitigate lead air pollution and improve air quality.
Does monoclonal antibody PK study in cynomolgus monkey induce more ADA than other species ?
4 answers
Monoclonal antibody pharmacokinetic (PK) studies in cynomolgus monkeys may induce antidrug antibodies (ADAs) due to their xenogeneic nature compared to humans. Studies have shown that non-naive monkeys, previously exposed to human mAbs, may develop pre-existing cross-reactive ADAs, affecting PK characterization. Strategies like antibody humanization and de-immunization have been employed to reduce ADA risk, resulting in improved PK profiles and reduced immunogenicity in cynomolgus macaques. Additionally, the use of a humanized anti-human IL-31RA monoclonal antibody effectively suppressed IL-31-induced scratching behavior in cynomolgus monkeys, highlighting the potential therapeutic value in targeting specific pathways. Overall, while cynomolgus monkeys are valuable for PK studies, careful consideration of immunogenicity risks and appropriate engineering strategies are crucial for successful monoclonal antibody development in non-human primates.
What are the most effective ways to promote healthy office work environments for employees?
5 answers
To promote healthy office work environments for employees, several effective strategies can be implemented. Firstly, incorporating workplace exercise interventions like combined yoga, Pilates, and circuit strength training programs can significantly improve employees' health indices, functional capacity, and physical fitness. Secondly, ensuring proper Indoor Environmental Quality (IEQ) by addressing ventilation conditions, carbon dioxide concentrations, and particulate matter levels in offices is crucial for creating a healthy workspace. Additionally, implementing activity-based office designs that offer flexibility in workspace selection, promoting physical activity, and enhancing social interactions can positively impact employee well-being and productivity. Lastly, utilizing creative concepts like Comfort Maps, redesigned lounges, and workplace training programs can empower employees to address sedentary work risks and improve overall comfort levels in the office environment.
Under what hydroclimate are heavy metals most bioavalible?
5 answers
Heavy metals are most bioavailable under hydroclimatic conditions that lead to increased leaching and runoff, as observed in various studies. Climate change scenarios show that heavy metal loads and concentrations in runoff increase due to enhanced leaching and runoff under changing climatic conditions. Additionally, heavy metal contamination in lowland catchments is influenced by high groundwater levels and discharge rates during periods of climate variability. Furthermore, changes in regional climate, such as decreased discharge and increased ultraviolet radiation exposure, can significantly impact the bioavailability of heavy metals in benthic communities, especially in the presence of dissolved organic materials. These findings collectively suggest that hydroclimatic conditions affecting leaching, runoff, and exposure to ultraviolet radiation play a crucial role in enhancing the bioavailability of heavy metals in aquatic environments.
What are the potential impacts of climate change on the study of pollution using MERRA 2 data?
5 answers
Climate change can significantly impact the study of pollution using MERRA-2 data. The increase in global temperatures due to climate change can lead to higher pollution levels, potentially making pollutants more harmful to human health. Additionally, climate change influences the distribution and behavior of toxic pollutants like heavy metals, hydrocarbons, and pesticides, emphasizing the need for new regulatory plans in pollution management. Furthermore, the impacts of climate change on aerosol optical depth (AOD) in regions like the Hindu Kush Himalayan (HKH) area have been observed, with significant increases in AOD levels over time, especially in specific sub-regions, highlighting the complex relationship between climate change and pollution dynamics. These findings underscore the importance of considering climate change effects when studying pollution patterns and trends using MERRA-2 data.