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About 852,145 results

The Distribution of DOM in the Wanggang River Flowing into the East China Sea.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9367814
International Journal of Environmental Research and Publi... Ma J, Pei D et. al.

Aug 13th, 2022 - Dissolved organic matter (DOM) is a central component in the biogeochemical cycles of marine and terrestrial carbon pools, and its structural features greatly impact the function and behavior of ecosystems. In this study, the Wanggang River, which is a seagoing river that passes through Yancheng City, was selected as the research object. Three-dimensional (3D) fluorescence spectral data and UV-...

Probabilistic Risk Assessment of Dietary Exposure to Cadmium in Residents of Guangzhou,...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9367776
International Journal of Environmental Research and Publi... Mhungu F, Chen K et. al.

Aug 13th, 2022 - Cadmium (Cd) and its compounds are hazardous environmental pollutants with renal toxicity and human carcinogenicity, with ingestion of contaminated foods representing the major mode of exposure. There have been a number of reports evaluating the Cd content in various foods; however, regarding the actual risk posed by dietary cadmium exposure, only a few reports are available in which single poi...

Transfer of Metals to the Aerosol Generated by an Electronic Cigarette: Influence of Nu...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368615
International Journal of Environmental Research and Publi... Rastian B, Wilbur C et. al.

Aug 13th, 2022 - Electronic cigarettes (e-cigarettes) are increasing in popularity despite uncertainties about their health hazards. Literature studies have shown that e-cigarettes may be a source of toxic heavy metal exposure to the user, but the mechanism by which metals are transferred from the e-cigarette parts into the aerosol plume that is inhaled by the user is poorly understood. The goal of this study w...

Development of Models to Estimate Total Soil Carbon across Different Croplands at a Reg...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368161
International Journal of Environmental Research and Publi... Sonn YK, Yoo JH et. al.

Aug 13th, 2022 - A quick, accurate and cost-effective method for estimating total soil carbon is necessary for monitoring its levels due to its environmentally and agronomically irreplaceable importance. There are several impediments to both laboratory analysis and spectroscopic sensor technology because the former is both expensive and time-consuming whereas the initial cost of the latter is too high for farme...

Activation of Bisulfite with Pyrophosphate-Complexed Mn(III) for Fast Oxidation of Orga...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368537
International Journal of Environmental Research and Publi... Guo Q, Qi X et. al.

Aug 13th, 2022 - Aqueous complexes of Mn(III) ion with ligands exist in various aquatic systems and many stages of water treatment works, while HSO3- is a common reductant in water treatment. This study discloses that their encounter results in a process that oxidizes organic contaminants rapidly. Pyrophosphate (PP, a nonredox active ligand) was used to prepare the Mn(III) solution. An approximate 71% removal o...

The Aggregation and Dissolution of Citrate-Coated AgNPs in High Ammonia Nitrogen Wastew...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9367828
International Journal of Environmental Research and Publi... Jiang J, Wang X et. al.

Aug 13th, 2022 - Silver nanoparticles (AgNPs) are released into the sewage pipes and ultimately wastewater treatment plants during manufacturing, use, and end-life disposal. AgNPs in wastewater treatment plants aggregate or dissolve, and may affect the microbial community and subsequent pollutant removal efficiency. This study aims to quantitatively investigate the fate of AgNPs in synthetic high ammonia nitrog...

Soil and Vegetation Development on Coal-Waste Dump in Southern Poland.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368154
International Journal of Environmental Research and Publi... Rahmonov O, Czajka A et. al.

Aug 13th, 2022 - As an anthropogenic element of urban landscapes, coal heaps undergo changes due to both natural and anthropogenic factors. The aim of this study was to determine the common development of soil under the influence of vegetation succession against a background of environmental conditions. Vegetation changes and soil properties were analysed along a transect passing through a heap representing a p...

Green Development Performance Evaluation Based on Dual Perspectives of Level and Effici...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368428
International Journal of Environmental Research and Publi... Zhang R, Ma Y et. al.

Aug 13th, 2022 - In the context of continuing to promote the construction of an ecological civilization, it is of great significance to explore green development performance. However, most of the literature is based on a single perspective of level or efficiency, lacking a comprehensive examination of both. It is not scientific to explore how to promote green development only from a single perspective, which ma...

Ecological River Health Assessment Using Multi-Metric Models in an Asian Temperate Regi...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368116
International Journal of Environmental Research and Publi... Mamun M, Jargal N et. al.

Aug 13th, 2022 - This study was performed to determine the ecological health of a temperate river over nine years (2011-2019); it also analyzed the trophic structure and linkage of nutrients (nitrogen [N] and phosphorus [P]), sestonic chlorophyll-a (CHL-a), and the top trophic fish in the Asian monsoon region. Water chemistry, trophic indicators, and tolerance guilds were primarily influenced by land use and la...

Migration of Trivalent Praseodymium from Tombarthite Sewage by Microtubule Ultrafiltrat...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368681
International Journal of Environmental Research and Publi... Pei L, Wang L

Aug 13th, 2022 - A microtubule ultrafiltration reactor (MUFR), with an organophosphorus system containing a sewage section with buffer liquid acetic acid and an enrichment section with aqua fortis liquid and organophosphorus dissolved in fuel oil, has been studied for praseodymium(III) migration. Many factors of praseodymium(III) migration using MUFR need to be explored, including hydrogen ion molarity (or pH),...

Arsenic Mobilization and Transformation by Ammonium-Generating Bacteria Isolated from H...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368665
International Journal of Environmental Research and Publi... Jiang Z, Shen X et. al.

Aug 13th, 2022 - Arsenic (As) mobilization in groundwater involves biogeochemical cycles of carbon, iron, and sulfur. However, few studies have focused on the role of nitrogen-metabolizing bacteria in As mobilization, as well as in the transformation between inorganic and organic As in groundwater. In this study, the nitrogen and As metabolisms of Citrobacter sp. G-C1 and Paraclostridium sp. G-11, isolated from...

Vis LED Photo-Fenton Degradation of 124-Trichlorobenzene at a Neutral pH Using Ferrioxa...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9367996
International Journal of Environmental Research and Publi... Conte LO, Dominguez CM et. al.

Aug 13th, 2022 - Chlorinated organic compounds (COCs) are among the more toxic organic compounds frequently found in soil and groundwater. Among these, toxic and low-degradable chlorobenzenes are commonly found in the environment. In this work, an innovative process using hydrogen peroxide as the oxidant, ferrioxalate as the catalyst and a visible light-emitting diode lamp (Vis LED) were applied to successfully...

Factors Affecting the Detection of Hexavalent Chromium in Cr-Contaminated Soil.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9367748
International Journal of Environmental Research and Publi... Huang M, Ding G et. al.

Aug 13th, 2022 - The alkali digestion pretreatment method in the United States Environmental Protection Agency (USEPA) Method 3060A could underestimate the content of Cr(VI) in Cr-contaminated soils, especially for soils mixed with chromite ore processing residue (COPR), which leads to a misjudgment of the Cr(VI) level in soils after remediation, causing secondary pollution to the environment. In this study, a ...

Air Quality Assessment by the Determination of Trace Elements in Lichens (Xanthoria cal...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9367872
International Journal of Environmental Research and Publi... Varrica D, Lo Medico F et. al.

Aug 13th, 2022 - This study provides data on variation in the content of metals and metalloids measured in the lichens (Xanthoria calcicola Oxner) collected in the Syracusan petrochemical complex (Sicily, Italy) which is considered one of the largest in Europe. Concentrations of eighteen trace elements measured in the lichens that were collected from 49 different points were analyzed using an inductively couple...

Application of Mesoporous Silica Nanoparticle-Chitosan-Loaded BMP-2 in the Repair of Bo...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9357812
Journal of Immunology Research; Yi M, Nie Y et. al.

Aug 13th, 2022 - In order to test the effectiveness of nanoparticle- (NP-) loaded bone morphogenetic protein 2 (BMP-2) in chronic osteomyelitis (CO) complicated with bone defect, a new nanodrug delivery system composed of mesoporous silica NP (MSN) and chitosan were used to load BMP-2 and transfer it to the target region. Bone marrow mesenchymal stem cells (BMSCs) were purchased and cultivated to detect the ost...

The Extract of Ilex cornuta Bark Promotes Bone Healing by Activating Adenosine A2A Rece...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9359408
Drug Design, Development and Therapy; Zheng X, Wang J et. al.

Aug 13th, 2022 - Bone fracture is a common reason causing human disability. The delay union and nonunion rates are approximately 5-10% despite patients receiving active treatment. Currently, there is a limited number of drugs directly accelerating bone healing, especially direct extracts from plants. Moreover, the pharmacological effects of Ilex cornuta bark are still unknown. This study aimed to explore the ef...

Does the Element Availability Change in Soils Exposed to Bioplastics and Plastics for S...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9368576
International Journal of Environmental Research and Publi... Santini G, Maisto G et. al.

Aug 13th, 2022 - Plastic sheets are widely used in farming soil to improve the productivity of cultures. Due to their absorption capacity, plastic sheets can alter element and metal content in soils, and in turn affect soil properties. The use of biodegradable films is an attractive eco-sustainable alternative approach to overcome the environmental pollution problems due to the use of plastic films but their im...

Single pot organic solvent-free thermocycling technology for siRNA-ionizable LNPs: a pr...
https://doi.org/10.1080/10717544.2022.2108523
Drug Delivery; De A, Ko YT

Aug 12th, 2022 - Ionizable LNPs are the latest trend in nucleic acid delivery. Microfluidics technology has recently gained interest owing to its rapid mixing, production of nucleic acid-ionizable LNPs, and stability of nucleic acid inside the body. Industrial scale-up, nucleic acid-lipid long-term storage instability, and high production costs prompted scientists to seek alternate solutions to replace microflu...

SARS-CoV-2 reliably detected in frozen saliva samples stored up to one year.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9371282
PloS One; Frediani JK, McLendon KB et. al.

Aug 12th, 2022 - Viability of saliva samples stored for longer than 28 days has not been reported in the literature. The COVID-19 pandemic has spawned new research evaluating various sample types, thus large biobanks have been started. Residual saliva samples from university student surveillance testing were retested on SalivaDirect and compared with original RT-PCR (cycle threshold values) and quantitative ant...

Assessment of corn wet distillers grains fed to crossbred bulls on feeding behavior, ru...
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9371291
PloS One; Niehues MB, Tomaz LA et. al.

Aug 12th, 2022 - Corn ethanol production has been growing in Brazil in the last ten years, generating by-products to feedlot diets. This study evaluates the effects of the inclusion of low-fat corn wet distillers grains (LF-WDG) on feeding behavior, ruminal health, liver abscesses and blood parameters of F1 Angus-Nellore bulls feedlot finished. Our hypothesis is that evaluation of data from feeding behavior, ru...