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The detection of chloride in reinforced concrete, crucial for maintenance against damage from de-icing salt or seawater, is advanced by Laser-Induced Breakdown Spectroscopy (LIBS). This study demonstrates that integrating microwaves with LIBS enhances cement analysis, improving the signal-to-noise ratio by up to four times and extending the detection limit for chlorine to 0.17 ± 0.
View Article and Find Full Text PDFMicrowave-enhanced thermal removal of organochlorine pesticide (chlordecone) from contaminated soils.
Chemosphere
March 2024
ANSES, Laboratory for Food Safety, F-94701, Maison-Alfort, France.
Soil contamination with chlordecone, an organochlorine pesticide, is causing serious health problems, affecting crop production and local livestock valorization in the French West Indies. In-situ chemical reduction (ISCR) processes for soil remediation have shown promise but need improvement in terms of time, cost and effective treatment, particularly for andosol soil types. Our study shows that a 10-min microwave treatment significantly reduces chlordecone concentrations (50-90%) in contaminated andosol and nitisol soils.
View Article and Find Full Text PDFModulating redox properties of solid-state ion-conducting materials using microwave irradiation.
Mater Horiz
November 2023
Instituto ITACA, Universitat Politècnica de València, Camino de Vera, Valencia, 46022, Spain.
The industrial adoption of low-carbon technologies and renewable electricity requires novel tools for electrifying unitary steps and efficient energy storage, such as the catalytic synthesis of valuable chemical carriers. The recently-discovered use of microwaves as an effective reducing agent of solid materials provides a novel framework to improve this chemical-conversion route, thanks to promoting oxygen-vacancy formation and O-surface exchange at low temperatures. However, many efforts are still required to boost the redox properties and process efficiency.
View Article and Find Full Text PDFManganese-Based Immunomodulatory Nanocomposite with Catalase-Like Activity and Microwave-Enhanced ROS Elimination Ability for Efficient Rheumatoid Arthritis Therapy.
Small
December 2023
NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, Guangdong, 510515, China.
Rheumatoid arthritis (RA) is a chronic autoimmune disease commonly associated with the accumulation of hyperactive immune cells (HICs), particularly macrophages of pro-inflammatory (M1) phenotype, accompanied by the elevated level of reactive oxygen species (ROS), decreased pH and O content in joint synovium. In this work, an immunomodulatory nanosystem (IMN) is developed for RA therapy by modulating and restoring the function of HICs in inflamed tissues. Manganese tetraoxide nanoparticles (Mn O ) nanoparticles anchored on UiO-66-NH are designed, and then the hybrid is coated with Mn-EGCG film, further wrapped with HA to obtain the final nanocomposite of UiO-66-NH @Mn O /Mn-EGCG@HA (termed as UMnEH).
View Article and Find Full Text PDFMicrowave-enhanced hydrogen production: a review.
RSC Adv
May 2023
Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences Beijing 100190 P. R. China
Currently, the massive use of fossil fuels, which still serve as the dominant global energy, has led to the release of large amounts of greenhouse gases. Providing abundant, clean, and safe renewable energy is one of the major technical challenges for humankind. Nowadays, hydrogen-based energy is widely considered a potentially ideal energy carrier that could provide clean energy in the fields of transportation, heat and power generation, and energy storage systems, almost without any impact on the environment after consumption.
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