Articles tagged with Organic Matter
Biochar researchers explore how changing reactor atmospheres can tailor materials for carbon storage, pollution control, and industrial applications. Alternative gases like CO2, steam, and ammonia can shape the production process and resulting materials.
Biochar's performance in soil depends on its feedstock, production conditions, interactions with microorganisms, and aging processes. Practical measurements are needed to assess its functionality.
A greenhouse study suggests that converting rice straw into biochar could provide greater environmental and food safety benefits than directly incorporating untreated straw. Biochar treatment reduced copper and lead accumulation, improved soil properties, and produced high grain biomass, while avoiding air pollution from open burning.
A comprehensive study analyzed data from 429 Chinese lakes, revealing how climate and nutrient pollution influence dissolved organic matter and greenhouse gas emissions. The research found that arid environments have higher DOM concentrations and that extreme weather events stimulate their accumulation.
A study from Huazhong Agricultural University sheds light on the intricate processes of microbial activity and geological structures beneath our feet. The team's work illustrates how bacterial EPS contributes to SOM persistence, a process crucial for maintaining soil health and securing long-term carbon storage.
Researchers used solar radiation to enhance hydrochar, a carbon-rich material derived from biomass, to create a more effective soil amendment. The study found that aged hydrochars delivered impressive results, increasing soil organic carbon content by up to 110% and enhancing beneficial microbial taxa.
A novel supramolecular film with switchable structural and adhesive functions has been developed, exceeding industry standards for wood adhesion. The film's unique structure retains strength in wet conditions and demonstrates high-performance bonding to wood substrates.
Researchers developed a novel approach to convert technical lignin into functional coatings using low-energy suspension plasma spraying (LE-SPS). The new technique eliminates the need for solvents, crosslinkers, or catalysts, and produces continuous and dense coatings with improved UV attenuation and anti-fogging behavior.
A novel dual-scale encapsulation strategy for thermal energy storage using bio-derived palmitic acid and nanocellulose is reported. The composite achieved excellent shape stability and leakage resistance with a cumulative leakage rate of only 0.03% after heating.
A study by Southeast University and Korea University provides a roadmap for converting biomass into renewable energy and chemicals. The researchers highlight the potential of biomass chemical looping (BCL) for producing hydrogen, methanol, and other low-carbon products.
Researchers at the University of Bath discovered that a fungus can break down hard-to-recycle construction waste and turn it into sustainable insulation. The resulting biomaterial has comparable thermal performance to conventional insulation products with significantly lower carbon emissions.
Researchers developed a cellulose/MXene sediment aerogel that combines EMI shielding, infrared stealth, and Joule heating within a single porous structure. The aerogel retained high porosity and specific surface area, enabling strong electromagnetic wave attenuation and thermal insulation.
A comprehensive review reveals that deep soil layers store over 50-60% of the total carbon in top meter of soil. The subsoil environment is characterized by low oxygen and limited microbial activity, making it a stable target for long-term carbon removal strategies.
A new study shows that minerals and microbes should not be treated as separate controls on dissolved organic matter. Iron oxides selectively sort organic molecules, changing what remains available for microbial degradation, with major consequences for biodegradation.
Research in Amazonas reveals that small amounts of Amazonian dark earth can increase the height and diameter of two tree species by up to 55% and 88%, respectively. The study attributes this growth to the reorganization of beneficial microorganisms around plant roots.
A new chemical model developed by researchers at GEOMAR accurately predicts iron chemistry in the South Pacific Ocean, taking into account diverse organic matter properties. The findings improve understanding of the marine iron cycle and its implications for climate change.
A team at Virginia Tech developed a water-based process to create multilayer bioplastic films that are both high-performing and easier to manufacture. The method avoids toxic solvents and matches current industrial production speeds, making it viable for real-world use.
Researchers have developed a water-soluble cellulose ethyl phosphite (CEP) adhesive that integrates high bonding strength, environmental tolerance, and recyclability. The CEP adhesive demonstrates remarkable thermal stability and resistance to moisture-related degradation, making it suitable for various applications.
Researchers have discovered that native soil bacteria can degrade persistent pollutants like dioxins without genetic engineering. Using decoy molecules, the bacteria's natural enzymes are tricked into breaking down these toxic compounds.
A five-year study reveals that prolonged nitrogen deposition affects subtropical forest soil microbiomes, with a dynamic temporal shift in microbial community assembly and network stability. Dissolved organic matter quality is crucial in predicting bacterial network complexity.
A new study reveals that declining floating-leaf plants release harmful nutrients, but also trigger a microbial process that converts simple organic matter into resilient, long-term carbon storage. This process enhances the lake's ability to sequester carbon through a microbial carbon pump.
A global analysis of over 2,300 seawater samples reveals human-made chemicals make up a significant portion of organic matter in coastal oceans. Industrial chemicals, including plastics and consumer products, dominate the anthropogenic chemical signal, persisting even 20 kilometers offshore.
A new study found that black carbon, a highly stable form of carbon, persists in mangrove sediments and enhances the climate mitigation potential of coastal wetlands. Mangroves store both organic and dissolved black carbon, which can travel through water and influence marine carbon cycles.
Mannitol outperforms other green additives in slowing re-polymerisation of cellulose-lignin linkages, cutting molecular weight and raising hydrogenolysis monomer yield. The additive forms an average of 28 hydrogen bonds per simulation box, effectively capping sites where carbocations normally form.
A cellulose-based composite sheet can simultaneously adsorb and shield radioactive elements like cesium, iodine, and strontium. The resulting composite demonstrates its potential for controlling environmental contamination.
Researchers compared seedling germination, growth and nutrient uptake in pure food waste substrate, commercial potting mix and blends with varying ratios. Mixtures with less than 50% food waste compost produced better results.
Researchers at RIKEN have developed a new plant-based plastic made from cellulose that rapidly degrades in natural environments, eliminating microplastic waste. The biodegradable plastic can be adjusted in strength and flexibility with added choline chloride, providing a practical solution to ocean pollution.
Researchers have discovered a zero-cost solution to reverse desertification by using food waste nanocellulose extracted from pineapple peels. The material cuts water leakage by 90% and triples phosphate retention, offering a more sustainable alternative to expensive hydrogels.
A soft coral's ability to stiffen its skeleton in response to danger has been studied by Penn Engineers, revealing a mechanism known as granular jamming. By compacting mineral particles and expelling water, the coral's tissues create a rigid structure that can withstand external forces.
Researchers developed a gravity-driven biochar microreactor from rattan, achieving ultrahigh flux and complete degradation of common pollutants. The system activated peroxymonosulfate through a non-radical pathway, with boundary-like defects as primary active sites.
Researchers transform corn stover into microbial lipids using alkaline storage, gentle steam, and squeeze detoxification. The process delivers high sugar recovery and lipid content, reducing water demand by one-third compared to conventional methods.
Scientists have developed an end-to-end microbial process converting renewable plant oils into sustainable polyesters comparable to petroleum-based plastics. The two-step process achieved record-setting yields and productivity, paving the way for a scalable and environmentally viable alternative to fossil fuels.
Researchers develop multifunctional aerogels combining thermal insulation, flame retardancy, and mechanical robustness using bio-based nanocellulose. The resulting aerogels exhibit low thermal conductivity, high flame resistance, and impressive strength and flexibility.
A new study reveals how Moso bamboo degrades under fluctuating hygrothermal conditions, causing dramatic fluctuations in mass, dimensions, and appearance. Machine learning was integrated to predict changes in compressive strength and color difference with high accuracy.
Researchers at the University of Maine Forest Bioproducts Research Institute have discovered a sustainable method to produce (S)-3-hydroxy-γ-butyrolactone, a crucial building block in pharmaceuticals. This approach could significantly reduce greenhouse gas emissions and production costs by up to 60%.
Researchers developed a real-time dashboard for monitoring biomass, carbon stocks and energy demand at a local level. This allows for targeted interventions, saving millions of shillings by preventing deforestation and reducing future energy crises.
A new imaging method, combining cryo-TEM and EELS, allows for simultaneous visualization of structure and elemental distribution in nanomaterials. The technique has been successfully applied to organic nano-materials and biomaterials like hydroxyapatite particles.
Researchers developed a predictive model showing peat bogs can offset 14% of future CO2 emissions through microalgae's photosynthesis. Peatlands store over 30% of the Earth's soil carbon, estimated to be between 500-1000 gigatons.
New modeling by Southwest Research Institute-led researchers suggests that asteroid Donaldjohanson formed around 150 million years ago when a larger parent asteroid broke apart. The mission's data could shed light on the asteroid's peculiar shape and surface geology.
Consistent sand applications reduce organic matter by diluting thatch, forming a mat layer that contributes to soil carbon sequestration. This practice enhances turfgrass health while tailoring topdressing programs to specific growth patterns.
Researchers have found a new method to remove PFAS from drinking water by heating them with granular activated carbon at 572 degrees Fahrenheit. This process achieves 90% mineralization of the PFAS, breaking them down into harmless inorganic fluorine.
Researchers investigated ozonated water's impact on SARS-CoV-2 in saliva, discovering that protein concentrations like amylase and mucin decrease ozone stability and effectiveness. This study provides insights into the applicability of ozonated water for disinfection in real-world settings.
A new study has found that diversified cropping systems can increase nitrogen supply in the soil, but do not lead to increased soil carbon levels. The study, published in Nature Sustainability, used stable carbon isotopes to analyze soil core emissions and found that decomposition rates were higher in longer rotations.
Kyushu University researchers create a microwave flow reaction device that converts complex polysaccharides into simple monosaccharides, producing glucose. The device utilizes a continuous-flow hydrolysis process, where cellobiose is passed through a sulfonated carbon catalyst heated using microwaves.
A team at Osaka Metropolitan University has designed a multilayer device to investigate spin currents, using an organic semiconductor material with a long spin relaxation time. This allows direct observation of phenomena due to spin current generation and enables researchers to gain deeper insights into the properties of spin currents.
A new model suggests that the ancient Earth's atmosphere was rich in metallic iron and hydrogen, with methane shielding ultraviolet (UV) radiation. This shielded UV radiation, reducing water vapor oxidation and enhancing organic layer formation. Organics could have formed a 'soup' of building blocks for life to emerge.
Researchers explore the interaction between nanoplastics and natural organic matter through molecular modeling, revealing aggregation mechanisms and complex interactions. The aging process increases reactivity of nanoplastics, affecting their behavior in aquatic systems.
A team from Kyushu University has developed a zeolite catalyst that can be heated using microwaves to speed up the conversion of fatty acid esters to olefins. This process improves energy efficiency and reduces carbon dioxide production, offering a more sustainable chemical industry.
Seven rock samples collected along the fan front of Mars' Jezero Crater show evidence of minerals formed in water, suggesting a watery environment. While organic matter cannot be confirmed, these rocks may hold the key to finding remnants of ancient Martian life.
A new study by RIKEN CSRS shows that biomass from purple photosynthetic marine bacterium Rhodovulum sulfidophilum is an excellent nitrogen fertilizer, effective as inorganic synthetic fertilizers but with lower environmental side effects. The biomass boosts plant growth without altering soil pH or salinity.
Researchers from six teams in five labs worldwide used self-driving labs to discover 21 top-performing OSL gain candidates, accelerating the discovery process by months. The decentralized workflow enabled rapid replication of experimental findings and democratized the discovery process.
A study published in Nature Geoscience elucidates the discrepancy between Martian and Earth-based organic matter. Researchers found that photodissociation of carbon dioxide in the atmosphere leads to organic matter with depleted carbon-13 content, pointing to an atmospheric process as the main source.
A new study predicts key soil health indicators such as organic matter content and soil texture using standard tests. This can guide fertilization, irrigation, and herbicide decisions, reducing turnaround time by at least half. The models are accurate for fine and medium soils but less so for sandy soils.
A study by Duke University researchers found that manganese stimulates decomposition of soil organic matter and releases more carbon dioxide into the atmosphere.
Researchers found that electrostatic charges, structural features of carbon molecules, and surrounding metal nutrients play major roles in soil's ability to trap carbon. The study aims to help predict which soil chemistries are most favorable for trapping carbon.
A team from the University of Münster has detected biologically relevant nitrogen compounds and amino acids in an untreated English meteorite. The findings were made possible by a new type of detector design and high-resolution electron microscopy, offering insights into the origins of life on Earth.
Researchers have discovered melt splashes on Ryugu samples containing silicate glasses with voids and small inclusions of spherical iron sulfides. The chemical compositions suggest that Ryugu's hydrous silicates mixed with cometary dust, indicating the transport of primitive organic matter from space to Earth.
Foraminifera, single-cell organisms with shells, affect oxygen distribution and bacterial diversity in sea sediments through their burrowing. They increase oxygen penetration by 15-20%, decreasing organic matter and bacterial abundance.
The study identifies 34 pathways that reduce greenhouse gases or specific air pollutants, while 13 increase harmful emissions. Effective uses of biomass include combustion for renewable energy, biodiesel production, and biogas conversion. Conversely, bad pathways include wildfires, open composting, and burning forest material.
Researchers will track how key minerals form in a watershed to build a fuller picture of the processes that allow soil to store carbon as organic matter. Understanding these mechanisms can help develop practices and incentives for a carbon market economy, potentially harnessing Earth's natural mechanisms to combat climate change.