Economía Circular

Economía Circular

Investigations into the concentration and metabolite profiles of stanozolol and LGD-4033 in blood plasma and seminal fluid using liquid chromatography high-resolution mass spectrometry
- Potential scenarios as to the origin of minute amounts of banned substances detected in doping control samples have been a much-discussed problem in anti-doping analysis in recent years. One such...
Selenium and molybdenum synergistically alleviate chromium toxicity by modulating Cr uptake and subcellular distribution in Nicotiana tabacum L.
- Chromium (Cr) is a harmful heavy metal that poses a serious threat to plants and animals. Selenium (Se) and molybdenum (Mo) are two beneficial elements for plant growth and resistance. However,...
Evaluation of pyrite/sodium hypochlorite for activating purification of arsenic from fractured-bedrock groundwater
- In this work, the effectiveness of pyrite/sodium hypochlorite (FeS2/NaClO) treatment to eliminate arsenic (As) from fractured-bedrock groundwater via oxidative adsorption was evaluated. The As...
The effects of biochar derived from feedstock with different Si and Al concentration on soil N2O and CO2 emissions
- Desilicification and allitization is important characteristic of acidic soil. While decrease in soil silicon (Si) may generate Si limitation, the increase of aluminum (Al) will aggravate soil...
Accelerated transformation of plastic furniture into microplastics and nanoplastics by fire
- Numerous plastic items are known to gradually degrade and release microplastics and nanoplastics under certain conditions, which can be significantly accelerated by fire combustion. Unfortunately...
Modelling of marine debris pathways into UK waters: Example of non-native crustaceans transported across the Atlantic Ocean on floating marine debris
- The long-distance transfer of non-native, potentially invasive species via floating marine debris is an increasing threat to biodiversity and conservation efforts. To address the lack of...
Microbial Bioremediation and Biodegradation of Petroleum Products—A Mini Review
29/11/2022 - The demand for technological and industrial change has become heavily dependent on the availability and use of petroleum products as a source of energy for socio-economic development....
PLA-ZnO/TiO2 Nanocomposite Obtained by Ultrasound-Assisted Melt-Extrusion for Adsorption of Methylene Blue
29/11/2022 - Access to fresh water is an increasing concern worldwide. The contamination of this vital liquid is largely caused by discharges of pollutants into rivers and seas from different types of industries....
Degradable Self-Destructive Redox-Responsive System Based on Mesoporous Organosilica Nano-Vehicles for Smart Delivery of Fungicide
29/11/2022 - The development of stimuli-responsive controlled release formulations is a potential method of improving pesticide utilization efficiency and alleviating current pesticide-related environmental...
Removal of Heavy Metal Ions from Wastewater with Poly-ε-Caprolactone-Reinforced Chitosan Composite
29/11/2022 - Currently, the requirements for adsorbent materials are based on their environmentally friendly production and biodegradability. However, they are also related to the design of materials to sustain...
Adaptive Composite Fault Diagnosis of Rolling Bearings Based on the CLNGO Algorithm
29/11/2022 - In this paper, a novel composite fault diagnosis method combining adaptive feature mode decomposition (FMD) and minimum noise amplitude deconvolution (MNAD) is proposed. Firstly, chaos mapping and...
Distribution, Risk Assessment, and Source Identification of Potentially Toxic Elements in the Sediments of the Upper Reaches of Zhanghe River, Haihe Basin
29/11/2022 - The Beijing–Tianjin–Hebei region is mostly located in the Haihe Basin. Studying the distribution and sources of potentially toxic elements (PTEs) and heavy metals in the...
Acidified Cow Dung-Assisted Phytoextraction of Heavy Metals by Ryegrass from Contaminated Soil as an Eco-Efficient Technique
29/11/2022 - Heavy metal contamination of soil is an alarming environmental dilemma all over the world. With increasing industrialization, timely development of low-cost and eco-friendly remedial techniques for...
Pharmaceutical Sorption to Lab Materials May Overestimate Rates of Removal in Lab-Scale Bioreactors
- Environmental contamination from pharmaceuticals has received increased attention from researchers in the past 20 years. As such, numerous lab-scale studies have sought to characterize the effects...
Microplastics in the Inshore and Offshore Surface Water in the Andaman Sea
- Microplastics have been reported in almost all marine realms, but only little knowledge is available in the Andaman Sea. The purpose is to investigate the distribution of surface floating...
Occurrence of Microplastics in Riverine Fishes Sold for Human Consumption in Chhattisgarh, India
-   At present, due to rapid urbanization and increasing anthropogenic activities, the occurrence of microplastics (MPs) in riverine fishes is becoming an emerging area of food...
Characterization of ferrochrome ash and blast furnace slag based alkali-activated paste and mortar
11/01/2023 - Ferrochrome ash (FCA) is an industrial waste material which when disposed causes environmental pollution and health hazard. Therefore, in this paper, FCA replaced up to 30 % of blast furnace slag...
Emissions of air pollutants from non-road construction machinery in Beijing from 2015 to 2019
- Construction machinery (CM) is considered to be a significant source of air pollution. The estimation of emissions from CM is essential for policy-makers to control air pollution and reduce carbon...
Heme-oxygenase-1 as a target for phthalate-induced cardiomyocytes ferroptosis
- Phthalates as a large group of environmental pollutants are used primarily as plasticizers and solvents, which have become a growing problem worldwide. Epidemiological results show that severity of...
Effect of changing injection pressure on Mahua oil?based biodiesel combustion with blended Al2O3 nanoparticles on CI engine performance and emission parameters
27/11/2022 - Alternative fuels have drawn a lot of interest as oil and gas sources have depleted and environmental concerns have grown. An alternative fuel being researched as a potential replacement for fossil...
Aerospace, Vol. 9, Pages 764: Sizing Methodology and Energy Management of an Air–Ground Aircraft with Turbo-Electric Hybrid Propulsion System
28/11/2022 - This paper proposes a distributed turbo-electric hybrid propulsion system (TEHPS) architecture for high-power and large-load air–ground aircraft (AGA). The composition of the turboshaft...