8,166 results match your criteria study sequestration

Assessment of optimal conditions for the performance of greenhouse gas removal methods.

J Environ Manage 2021 Jun 18;294:113039. Epub 2021 Jun 18.

Energy and Power Theme, School of Water, Energy and Environment, Cranfield University, Bedford, Bedfordshire, MK43 0AL, UK.

In this study, a comparative literature-based assessment of the impact of operational factors such as climatic condition, vegetation type, availability of land, water, energy and biomass, management practices, cost and soil characteristics was carried out on six greenhouse gas removal (GGR) methods. These methods which include forestation, enhanced weathering (EW), soil carbon sequestration (SCS), biochar, direct air capture with carbon storage (DACCS) and bioenergy with carbon capture and storage (BECCS) were accessed with the aim of identifying the conditions and requirements necessary for their optimum performance. The extent of influence of these factors on the performance of the various GGR methods was discussed and quantified on a scale of 0-5. Read More

View Article and Full-Text PDF

Pyrolysis temperature-dependent carbon retention and stability of biochar with participation of calcium: Implications to carbon sequestration.

Environ Pollut 2021 Jun 9;287:117566. Epub 2021 Jun 9.

School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China; China-UK Low Carbon College, Shanghai Jiao Tong University, Shanghai, 201306, China.

Converting biomass waste into biochar by slow pyrolysis with subsequent soil amendment is a prospective approach with multiple environmental benefits including soil contamination remediation, soil amelioration and carbon sequestration. This study selected cow manure as precursor to produce biochar under 300 °C, 400 °C, 500 °C and 600 °C, and a remarkable promotion of carbon (C) retention in biochar by incorporation of exogenous Ca was achieved at all investigated pyrolysis temperatures. The C retention was elevated from 49. Read More

View Article and Full-Text PDF

Monitoring Pedogenic Inorganic Carbon Accumulation Due to Weathering of Amended Silicate Minerals in Agricultural Soils.

J Vis Exp 2021 Jun 4(172). Epub 2021 Jun 4.

School of Engineering, University of Guelph;

The present study aims to demonstrate a systematic procedure for monitoring inorganic carbon induced by enhanced weathering of comminuted rocks in agricultural soils. To this end, the core soil samples taken at different depth (including 0-15 cm, 15-30 cm, and 30-60 cm profiles) are collected from an agriculture field, the topsoil of which has already been enriched with an alkaline earth metal silicate containing mineral (such as wollastonite). After transporting to the laboratory, the soil samples are air-dried and sieved. Read More

View Article and Full-Text PDF

Silicon-induced mitigation of drought stress in peanut genotypes (Arachis hypogaea L.) through ion homeostasis, modulations of antioxidative defense system, and metabolic regulations.

Plant Physiol Biochem 2021 Jun 9;166:290-313. Epub 2021 Jun 9.

Plant Omics Division, CSIR- Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Gijubhai Badheka Marg, Bhavnagar, 364002, Gujarat, India; Academy of Scientific and Innovative Research, Ghaziabad, 201002, Uttar Pradesh, India. Electronic address:

Drought stress considered as a major environmental constraint that frequently limits crop production globally. In the current investigation, drought stress-induced alterations in growth, ion homeostasis, photosynthetic pigments, organic osmolytes, reactive oxygen species (ROS) generation, antioxidative components, and metabolic profile were examined in order to assess the role of silicon (Si) in mitigation of drought effects and to understand the drought adaptive mechanism in two contrasting peanut genotypes (GG7: fast growing and tall, TG26: slow growing and semi-dwarf). Si application significantly improved the leaf chlorophyll content, relative water content % (RWC %), growth and biomass in GG7 compared with TG26 genotype under water stress. Read More

View Article and Full-Text PDF

Establishment of spruce plantations in native birch forests reduces soil fungal diversity.

FEMS Microbiol Ecol 2021 Jun;97(7)

Section for Genetics and Evolutionary Biology (EVOGENE), University of Oslo, Blindernveien 31, 0316 Oslo, Norway.

Plantations of Norway spruce have been established well beyond its natural range in many parts of the world, potentially impacting native microbial ecosystems and the processes they mediate. In this study, we investigate how the establishment of spruce plantations in a landscape dominated by native birch forests in western Norway impacts soil properties and belowground fungal communities. Soil cores were collected from neighboring stands of planted spruce and native birch forests. Read More

View Article and Full-Text PDF

Effect of age, stress and protein supply on plasma amino acids during continuous enteral nutrition; a pragmatic study in rats.

Clin Nutr 2021 May 7;40(6):3931-3939. Epub 2021 May 7.

EA 4466 PRETRAM, Faculty of Pharmacy, Paris University, France; Clinical Chemistry Department, Cochin Hospital, AP-HP.Centre - Université de Paris, France. Electronic address:

Background & Aims: As life expectancy increases, an increasing older population may require surgery with perioperative nutritional management. While little is known about the combined effect of age and stress on amino acid metabolism during enteral nutrition, we hypothesized that blood amino acid bioavailability may be influenced not only by the characteristics of the ingested protein but also by intestinal ageing and splanchnic sequestration of amino acids. Plasma amino acid kinetics were thus evaluated in aged and adult rats receiving continuous enteral nutrition before and after standardized surgical stress. Read More

View Article and Full-Text PDF

Different effects of foliar application of silica sol on arsenic translocation in rice under low and high arsenite stress.

J Environ Sci (China) 2021 Jul 11;105:22-32. Epub 2021 Jan 11.

National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China.

Foliar application of Si can generally reduce As translocation from roots to shoots in rice; however, it does not always work, particularly under high As stress. Here, the effects of foliar application of nanoscale silica sol on As accumulation in rice were investigated under low (2 μmol/L) and high (8 μmol/L) arsenite stress. The results revealed that foliar Si application significantly decreased the As concentration in shoots under low arsenite stress, but showed different effects under high arsenite stress after 7 days of incubation. Read More

View Article and Full-Text PDF

Interaction between CO2-consuming autotrophy and CO2-producing heterotrophy in non-axenic phototrophic biofilms.

PLoS One 2021 15;16(6):e0253224. Epub 2021 Jun 15.

Department of Chemistry and Biology, Ryerson University, Toronto, ON, Canada.

As the effects of climate change become increasingly evident, the need for effective CO2 management is clear. Microalgae are well-suited for CO2 sequestration, given their ability to rapidly uptake and fix CO2. They also readily assimilate inorganic nutrients and produce a biomass with inherent commercial value, leading to a paradigm in which CO2-sequestration, enhanced wastewater treatment, and biomass generation could be effectively combined. Read More

View Article and Full-Text PDF

Lilypad aggregation: localised self-assembly and metal sequestration at a liquid-vapour interface.

Chem Sci 2020 Jul 7;11(28):7501-7510. Epub 2020 Jul 7.

Durham University South Road Durham DH1 3LE UK

Spatially resolved soft materials, such as vesicles and microgels, have shown promise as selective adsorbents and microscale reaction vessels. However, spatiotemporal control of aggregation can be difficult to achieve. In this study, nickel(ii) chloride and a dipyridyl oligo(urea) ligand were combined in a vapour-diffusion setup to produce a localised spheroidal aggregate at the liquid-vapour interface. Read More

View Article and Full-Text PDF

Soil amendments from recycled waste differently affect CO₂ soil emissions in restored mining soils under semiarid conditions.

J Environ Manage 2021 Jun 10;294:112894. Epub 2021 Jun 10.

Department of Agronomy & Center for Intensive Mediterranean Agrosystems and Agri-food Biotechnology (CIAIMBITAL), University of Almeria, E-04120, Almería, Spain. Electronic address:

Drylands affected by serious disturbances such as mining activities lose their vegetation cover and organic soil horizons, becoming CO emissions sources. Applications of organic amendments could be a good restoration solution that favours vegetation establishment and soil carbon sequestration; however, they are also associated with CO₂ emissions. Experimental plots with different organic amendments (sewage sludge, garden and greenhouse vegetable composts, and mixtures of both) and unamended soils were installed in a quarry in southeast Spain. Read More

View Article and Full-Text PDF

Enhancing the retention of phosphorus through bacterial oxidation of iron or sulfide in the eutrophic sediments of Lake Taihu.

Sci Total Environ 2021 May 26;791:148039. Epub 2021 May 26.

State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China. Electronic address:

Microbial activity can enhance the sequestration of phosphorus (P) in sediments, but little is known about the mechanisms behind it. In this study, sediment cores were sampled from the most eutrophic Meiliang Bay of Lake Taihu, and three treatments were set up in a laboratory incubation experiment, involving (a) the non-treated sediment cores, (b) inoculation, and (c) sterilization. The dissolved and labile iron (Fe) and P were obtained by high-resolution dialysis and the diffusive gradients in thin films (DGT) technique, respectively. Read More

View Article and Full-Text PDF

Identification of the FDA-approved drug Pyrvinium as a small-molecule inhibitor of PD-1/PD-L1 interaction.

ChemMedChem 2021 Jun 11. Epub 2021 Jun 11.

Widener University, Chemical Engineering, UNITED STATES.

Immune checkpoint blockade involving inhibition of the PD-1/PD-L1 interaction has provided unprecedented clinical benefits in treating a variety of tumors. To date, a total of six antibodies that bind to either PD-1 or PD-L1 protein and in turn inhibit the PD-1/PD-L1 interaction have received clinical approvals. Despite being highly effective, these expensive large biotherapeutics possess several inherent pharmacokinetic limitations that can be successfully overcome through the use of low-molecular-weight inhibitors. Read More

View Article and Full-Text PDF

Nano-activated carbon derived from date palm coir waste for efficient sequestration of noxious 2,4-dichlorophenoxyacetic acid herbicide.

Chemosphere 2021 Jun 5;282:131103. Epub 2021 Jun 5.

Department of Chemical Engineering, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates. Electronic address:

Alarming water contamination rates by toxic herbicides have drawn attention to treat these pollutants using efficient, easy, and economic techniques. In this work, date-palm coir (DPC) waste-based nano-activated carbon (DPC-AC) was successfully prepared and examined for adsorptive removal of toxic 2,4-dichlorophenoxyacetic acid (2,4-DPA) herbicide from synthetic wastewater. The DPC-AC was synthesized via a single-step carbonization-KOH activation approach. Read More

View Article and Full-Text PDF

The environmental and economic trade-offs of using composted or stockpiled manure as partial substitute of synthetic fertilizer.

J Environ Qual 2021 Jun 11. Epub 2021 Jun 11.

Centre for Agriculture and the Bioeconomy, Queensland University of Technology, 2 George St, Brisbane, QLD, 4000, Australia.

Manure generated from livestock production could represent an important source of plant nutrients in substitution of synthetic fertilizer. To evaluate the sustainability of partially substituting synthetic fertilizer with soil organic amendments (OA) in horticulture, an economic and greenhouse gas (GHG) budget was developed. The boundary for analysis included manure processing (stockpiling versus composting), transport and spreading of manure and compost (feedlot and chicken) in intensively cultivated horticultural fields. Read More

View Article and Full-Text PDF

Clinical, haematological and pathomorphological findings in Mycoplasma suis infected pigs.

BMC Vet Res 2021 Jun 10;17(1):214. Epub 2021 Jun 10.

Institute of Animal Science, University of Hohenheim, Garbenstrasse 30, 70593, Stuttgart, Germany.

Background: Mycoplasma suis (M. suis) belongs to the group of haemotrophic mycoplasmas and is known as the causative agent of infectious anaemia in pigs. In the last few years valuable insights into the mechanism of adhesion and invasion, shedding patterns and cell tropism of M. Read More

View Article and Full-Text PDF

Water, energy and climate benefits of urban greening throughout Europe under different climatic scenarios.

Sci Rep 2021 Jun 9;11(1):12163. Epub 2021 Jun 9.

European Commission, Joint Research Centre (JRC), Ispra, Italy.

Urban greening is an effective mitigation option for climate change in urban areas. In this contribution, a European Union (EU)-wide assessment is presented to quantify the benefits of urban greening in terms of availability of green water, reduction of cooling costs and CO sequestration from the atmosphere, for different climatic scenarios. Results show that greening of 35% of the EU's urban surface (i. Read More

View Article and Full-Text PDF

Profiling and Regulating Proteins That Adsorb to DNA Materials in Human Serum.

Anal Chem 2021 Jun 9. Epub 2021 Jun 9.

Institute of Molecular Medicine, Department of Urology, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, State Key Laboratory of Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.

DNA aptamers and framework DNA nanostructures are emerging DNA materials with many appealing biological applications including biosensing, bioimaging, drug delivery, and so forth. When placed in physiological fluids, they inevitably encounter biomolecules (majorly proteins) and form complexes that largely affect their biological fate. Nevertheless, little is known regarding the quantitative profile of proteins that adsorb to DNA aptamers and DNA nanostructures in biological environments, and there are no potent strategies to regulate protein profiles. Read More

View Article and Full-Text PDF

Flexibility in the Critical Period of Nutrient Sequestration in Bumble Bee Queens.

Integr Org Biol 2021 19;3(1):obab009. Epub 2021 Apr 19.

Department of Entomology, The University of California, Riverside, CA 92521, USA.

Synopsis: Bumble bee queens undergo a nutrient storage period prior to entering diapause wherein they sequester glycogen and lipids that are metabolized during overwintering. In the laboratory under optimal food availability conditions, the majority of nutrients are sequestered during the first few days of adulthood. However, if food resources are scarce during this narrow window of time, wild queen bumble bees might be limited in their ability to obtain adequate food resources for overwintering. Read More

View Article and Full-Text PDF

Vegetation successions of coastal wetlands in southern Laizhou Bay, Bohai Sea, northern China, influenced by the changes in relative surface elevation and soil salinity.

J Environ Manage 2021 Jun 4;293:112964. Epub 2021 Jun 4.

School of Tourism and Geography Science, Qingdao University, Qingdao, 266071, China.

Vegetation successions of coastal wetlands were influenced by the changes in relative surface elevation and soil salinity. In this study, the vegetation successions of coastal wetlands in southern Laizhou Bay and the factors influencing the successions were investigated by quadrat survey. The changes of relative surface elevation and soil salinity in coastal wetlands of the study region were caused by climate change, sea-level rise, coastal erosion, sedimentation, neotectonism, storm surge, seawater intrusion, invasion of Spatina alterniflora, and utilization of underground brine. Read More

View Article and Full-Text PDF

Double-Edged Metabolic Effects from Short-Term Feeding of Functionalized Wheat Bran to Mouse Revealed by Metabolomic Profiling.

J Agric Food Chem 2021 Jun 7;69(23):6543-6555. Epub 2021 Jun 7.

Department of Food Science and Nutrition, University of Minnesota, 1334 Eckles Avenue, 225 FScN, St. Paul, Minnesota 55108, United States.

Health-promoting activities of wheat bran are limited by the high-degree crosslinking of its dietary fiber and the low bioavailability of its phenolics. In this study, functionalized wheat bran (FWB) was prepared through a combination of milling, alkaline hydrolysis, high-shear mixing, and high-pressure homogenization treatments. Feasibility and metabolic effects of feeding FWB were investigated by a short-term mouse feeding trial and liquid chromatography-mass spectrometry-based metabolomic analysis. Read More

View Article and Full-Text PDF

Conservation tillage and nutrient management practices in summer rice ( L.) favoured root growth and phenotypic plasticity of succeeding winter pea (L.) under eastern Himalayas, India.

Heliyon 2021 May 25;7(5):e07078. Epub 2021 May 25.

ICAR Research Complex for NEH Region, Umiam, Meghalaya 793103, India.

Low soil moisture during dry season, poor soil properties and lack of adequate crop varieties are the major constraints for sustainable intensification of eastern Himalayas in changing climate. Suitable varieties, tillage alteration and integrated nutrient management with emphasis on locally available crop residues/plant biomass may help addressing these issues. The role of minimum tillage (MT) and no-till (NT), and organic matter substitution on conferring of favourable root environment, improvement in morpho-physiology and subsequent productivity of the crops are not objectively studied in Himalayan ecosystems. Read More

View Article and Full-Text PDF

Growing in Mixed Stands Increased Leaf Photosynthesis and Physiological Stress Resistance in Moso Bamboo and Mature Chinese Fir Plantations.

Front Plant Sci 2021 20;12:649204. Epub 2021 May 20.

State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, China.

Mixed-stand plantations are not always as beneficial for timber production and carbon sequestration as monoculture plantations. Systematic analyses of mixed-stand forests as potential ideal plantations must consider the physiological-ecological performance of these plantations. This study aimed to determine whether mixed moso bamboo ( (Pradelle) Mazel ex J. Read More

View Article and Full-Text PDF

Methyl jasmonate ameliorates lead toxicity in by modulating chlorophyll metabolism, antioxidative capacity and metal translocation.

Physiol Mol Biol Plants 2021 May 20;27(5):1089-1104. Epub 2021 Apr 20.

Department of Agronomy, Islamic Azad University of Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran.

Lead (Pb) not only negatively alters plant growth and yield but may also have potentially toxic risks to human health. Nevertheless, the interaction between rice ( L.) plants and the molecular cell dynamics induced by lead-methyl jasmonate (MJ) remains unknown. Read More

View Article and Full-Text PDF

Enhanced sequestration of Cr(VI) onto plant extract anchored on carbon-coated aluminium oxide composite.

Environ Sci Pollut Res Int 2021 Jun 6. Epub 2021 Jun 6.

Department of Chemistry, University of the Free State, Bloemfontein, South Africa.

Aluminium oxide (ALU) and carbon-coated aluminium oxide modified with Kigelia africana leaf extract (KECA) were employed for the removal of toxic hexavalent chromium (Cr(VI)) from the aqueous phase. The adsorbents (ALU and KECA) were characterized by TGA, BET, FESEM, FTIR, Raman and XRD spectroscopic techniques. The potential of KECA and ALU to remove Cr(VI) from simulated wastewater was optimum at pH 2, sorbent dose of 0. Read More

View Article and Full-Text PDF

Selection for low-cadmium cultivars and cadmium subcellular distribution comparison between two selected cultivars of eggplant (Solanum melongena L.).

Environ Sci Pollut Res Int 2021 Jun 6. Epub 2021 Jun 6.

Research Center for Environmental Pollution Control Technology, School of Safety and Environmental Engineering, Hunan Institute of Technology, Heng Hua Road 18, Hengyang, 421002, China.

Excessive accumulation of cadmium (Cd) in vegetables poses a serious threat to human health; therefore, it is urgent to screen and cultivate vegetable cultivars with low Cd accumulation in the edible parts. Eggplant has a high tendency for Cd accumulation, but research on its low Cd accumulation cultivars is still rare. In this study, to screen low-Cd cultivars, 30 eggplant cultivars were screened using soils containing 0. Read More

View Article and Full-Text PDF

Prenatal alcohol-related alterations in maternal, placental, neonatal, and infant iron homeostasis.

Am J Clin Nutr 2021 Jun 5. Epub 2021 Jun 5.

Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA.

Background: Prenatal alcohol exposure (PAE) is associated with postnatal iron deficiency (ID), which has been shown to exacerbate deficits in growth, cognition, and behavior seen in fetal alcohol spectrum disorders. However, the mechanisms underlying PAE-related ID remain unknown.

Objectives: We aimed to examine biochemical measures of iron homeostasis in the mother, placenta, neonate, and 6. Read More

View Article and Full-Text PDF

Heavy metal detoxification mechanisms by microalgae: Insights from transcriptomics analysis.

Environ Pollut 2021 May 27;285:117443. Epub 2021 May 27.

Department of Biotechnology, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India; Centre for Transportation Systems, Indian Institute of Technology Roorkee, Roorkee, 247667, Uttarakhand, India. Electronic address:

Heavy metal pollution in ecosystem is a global threat. The associated toxicity and carcinogenic nature of heavy metals/metalloids such as mercury, cadmium, lead, and arsenic are imposing a severe risk to both ecological diversity and human lives. Harnessing the adaptive feature of microalgae for remediating toxic heavy metal has reached a milestone in past few decades. Read More

View Article and Full-Text PDF

Integrated metabolome and transcriptome analysis of the anthocyanin biosynthetic pathway in relation to color mutation in miniature roses.

BMC Plant Biol 2021 Jun 4;21(1):257. Epub 2021 Jun 4.

Key Laboratory of Protected Horticulture of Education Ministry and Liaoning Province, College of Horticulture, Shenyang Agricultural University, Shenyang, 110866, China.

Background: Roses are famous ornamental plants worldwide. Floral coloration is one of the most prominent traits in roses and is mainly regulated through the anthocyanin biosynthetic pathway. In this study, we investigated the key genes and metabolites of the anthocyanin biosynthetic pathway involved in color mutation in miniature roses. Read More

View Article and Full-Text PDF

Quantification of blue carbon in seagrass ecosystems of Southeast Asia and their potential for climate change mitigation.

Sci Total Environ 2021 Aug 6;783:146858. Epub 2021 Apr 6.

Excellence Center for Biodiversity of Peninsular Thailand, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand. Electronic address:

Seagrasses have the ability to contribute towards climate change mitigation, through large organic carbon (C) sinks within their ecosystems. Although the importance of blue carbon within these ecosystems has been addressed in some countries of Southeast Asia, the regional and national inventories with the application of nature-based solutions are lacking. In this study, we aim to estimate national coastal blue carbon stocks in the seagrass ecosystems in the countries of Southeast Asia including the Andaman and Nicobar Islands of India. Read More

View Article and Full-Text PDF

Carbonated ground granulated blast furnace slag stabilising brown kaolin.

Environ Sci Pollut Res Int 2021 Jun 4. Epub 2021 Jun 4.

School of Civil Engineering and Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Ratchasima, Thailand.

Proposals have been made by several researchers to conduct the sequestration of carbon dioxide (CO) through calcium and magnesium-rich materials. From these materials, ground granulated blast furnace slag (GGBS) containing 5% magnesium and 45% calcium is seen to be a good candidate and is available to sequester CO. This study intends to ascertain the ability to absorb CO, sequester it, and increase treated kaolin strength with different content of GGBS under various carbonation periods with varying CO pressure. Read More

View Article and Full-Text PDF