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Surface curvature-driven adsorption-reduction mechanism over hollow N-doped carbon enhances recovery of precious metal ions from wastewater.
Environ Res
January 2025
College of Ecology and Environment, Anhui Normal University, 189 South of Jiuhua Road, Wuhu, Anhui, 241002, P.R. China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Jiangsu, 210023, P.R. China. Electronic address:
The recovery of precious metal ions (PMI) from wastewater has great significances from both economic and environmental perspectives. However, current recovery methods face limitations, including low efficiency and selectivity, as well as challenges in practical applications. In this study, hollow N-doped carbon spheres (HNC) are proved to be promising for improving anionic AuCl and PdCl recovery via the curvature effect, outperforming non-curved carbon (commercial active carbon and carbon nanosheet) due to their unique curvature effect.
View Article and Find Full Text PDFEngineering active sites on N, S co-doped carbon matrix-encapsulated Ni-modified CoS nanoparticles enabling efficient urea electrooxidation.
J Colloid Interface Sci
January 2025
College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004 PR China.
Interface engineering and electronic modulation enable precise tuning of the electronic structure, thereby maximizing the efficacy of active sites and significantly enhancing the activity and stability of the electrocatalyst. Herein, a hybrid material composed of Ni-modified CoS nanoparticles ((Co, Ni)S) encapsulated within an N, S co-doped carbon matrix (SNC) and anchored onto S-doped carbonized wood fibers (SCWF) is synthesized using a straightforward simultaneous carbonization and sulfidation approach. Density functional theory (DFT) calculations reveal that the highly electronegative Ni element promotes electron cloud migration from Co to Ni, shifting the d-band center of Co closer to the Fermi level.
View Article and Find Full Text PDFHighly stable lithium metal anodes enabled by bimetallic metal-organic frameworks derivatives-modified carbon cloth.
J Colloid Interface Sci
January 2025
College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006 China. Electronic address:
Lithium (Li) metal anodes hold great promise for next-generation secondary batteries with high energy density. Unfortunately, several problems such as Li dendrite growth, low Coulombic efficiency and poor cycle life hinder the commercialization of Li metal anodes. Herein, we design a highly lithiophilic carbon cloth host modified with Sn-doped zinc oxide (ZnO) (ZnSn-CC) directly derived from a bimetallic ZnSn metal-organic framework (ZnSn-MOF), which boosts uniform Li plating/stripping during charge-discharge and effectively protects the Li metal anode.
View Article and Find Full Text PDFNovel carbon dots from phenylenediamine for simultaneous detection of peroxydisulfate and phosphate with a smart phone by dual-channel of fluorometry and colorimetry.
Food Chem
January 2025
School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China. Electronic address:
Carbon dots (CDs), one type of zero-dimensional carbon nanomaterial, showed extensive application in food analysis. Herein, CDs as fluorometry and colorimetry probes were developed to determine peroxydisulfate (PDS) and phosphate ion (Pi) in food samples. CDs were developed with one-pot hydrothermal process from 5-amino salicylic acid and o/m-phenylenediamine named o/m-CDs.
View Article and Find Full Text PDFHigh prediagnostic dietary intake of vitamin B and vitamin B is associated with favorable prognosis of colorectal cancer among Chinese colorectal cancer patients.
Nutr Res
December 2024
Department of Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China. Electronic address:
The potential impact of one-carbon metabolism (OCM)-related B vitamins (vitamin B, B, B, and folate) on colorectal cancer survival warrants investigation but research is sparse. This cohort study examined the association between the prediagnostic dietary intakes of OCM-related B vitamins and colorectal cancer survival. A total of 2799 colorectal cancer patients from the Guangdong Colorectal Cancer Cohort, enrolled at baseline in 2010, were followed for mortality outcomes through 2023.
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