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Removal of mixed PhACs by combined UV/HO and biologically activated carbon process: Toxicity assessment, transformation products and microbial community.
J Environ Manage
January 2025
Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400044, China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, PR China. Electronic address:
This study examined the removal and toxicity reduction of mixed pharmaceutically active compounds (PhACs), including carbamazepine, erythromycin, gemfibrozil, and diclofenac, in the UV/HO tandem with biologically activated carbon (UV/HO-BAC) process and explored potential detoxification mechanisms. Results indicated that the combined process effectively removed the mixed PhACs, with the UV/HO segment being the primary contributor. As distinct from concentration removal, the effluent toxicity significantly increased after UV/HO treatment.
View Article and Find Full Text PDFAggregation-induced emission and absorption enhancement of mixed-valent rhenium oxide quantum dots by triethylamine: Implications for food safety monitoring.
J Hazard Mater
December 2024
Department of Chemistry, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan; Center for Nanoscience & Nanotechnology, National Sun Yat-sen University, No. 70 Lienhai Rd., Kaohsiung 80424, Taiwan; School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, No.100, Shiquan 1st Rd., Kaohsiung 80708, Taiwan. Electronic address:
Food freshness monitoring and volatile amine detection are key to food safety. In this study, we demonstrated the applicability of mixed-valence rhenium oxide quantum dots (MV-ReOQDs), synthesized via the hydrothermal reaction of α-cyclodextrin and rhenium ion precursors, in triethylamine (TEA) sensing. Spectroscopic correlation techniques showed that the developed MV-ReOQDs possessed mixed-valent rhenium, α-cyclodextrin as capped ligand, partially carbonized surface, and amorphous phase structure.
View Article and Find Full Text PDFInvestigation of the Effect of Sb Ion on the Spectroscopic Properties of Eu-Doped YVO Nanosized Materials.
Inorg Chem
January 2025
Institute of Low Temperature and Structure Research, PAS, Okolna 2, 50-422 Wroclaw, Poland.
This paper discusses the origin of emission quenching in yttrium orthovanadate codoped with Eu and Sb ions. Highly crystalline yttrium orthovanadate nanoparticles with chemical composition YEuSbVO ( = 0-5.4 mol %, = 0-2.
View Article and Find Full Text PDFMolecular Engineering of Direct Activated NIR-II Chemiluminescence Platform for In Vivo Chemiluminescence-fluorescence Duplex Imaging.
Nat Commun
January 2025
State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing, China.
Article Synopsis
- Chemiluminescence (CL) is a chemical reaction that produces light without needing external energy sources, offering advantages in sensitivity and imaging.
- Researchers developed a series of unimolecular probes that emit light in the near-infrared (NIR-II) range for better imaging, specifically targeting wavelengths up to 1060 nm.
- The study successfully demonstrated these probes for real-time detection of superoxide anions in a mouse model of liver injury, highlighting their potential for advanced bioimaging and disease diagnosis.
Boosting bulk photovoltaic effect in transition metal dichalcogenide by edge semimetal contact.
Light Sci Appl
January 2025
Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, China.
Oxide materials with a non-centrosymmetric structure exhibit bulk photovoltaic effect (BPVE) but with a low cell efficiency. Over the past few years, relatively larger BPVE coefficients have been reported for two-dimensional (2D) layers and stacks with asymmety-induced spontaneous polarization. Here, we report a crucial breakthrough in boosting the BPVE in 3R-MoS by adopting edge contact (EC) geometry using bismuth semimetal electrode.
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