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PHA Microplastic Aging Decreases NO Sink Capacity: Released γ-Butyrolactone Decouples Denitrifying Electron Transfer and Oxidative Phosphorylation.
Environ Sci Technol
January 2025
School of Engineering, Hangzhou Normal University, Hangzhou 310018, China.
Bacterial denitrification is a main pathway for soil NO sinks, which is crucial for assessing and controlling NO emissions. Biobased polyhydroxyalkanoate (PHA) microplastic particles (MPs) degrade slowly in conventional environments, remaining inert for extended periods. However, the impacts of PHA microplastic aging on the bacterial NO sink capacity before degradation remain poorly understood.
View Article and Find Full Text PDFPseudomorphic Transformation in Nanostructured Thiophene-Based Materials.
ACS Nano
January 2025
Consiglio Nazionale delle Ricerche (CNR) - Istituto per la Sintesi Organica e la Fotoreattività (ISOF), via Piero Gobetti 101, 40129 Bologna, Italy.
This study reveals the capability of nanostructured organic materials to undergo pseudomorphic transformations, a ubiquitous phenomenon occurring in the mineral kingdom that involves the replacement of a mineral phase with a new one while retaining the original shape and volume. Specifically, it is demonstrated that the postoxidation process induced by HOF·CHCN on preformed thiophene-based 1D nanostructures preserves their macro/microscopic morphology while remarkably altering their electro-optical properties by forming a new oxygenated phase. Experimental evidence proves that this transformation proceeds via an interface-coupled dissolution-precipitation mechanism, leading to the growth of a porous oxidized shell that varies in thickness with exposure time, enveloping the pristine smooth core.
View Article and Find Full Text PDFDeciphering the Evolution of Current Distribution in Hybrid Silver Vanadium Oxide / Carbon Monofluoride Cathodes within Lithium Primary Batteries.
Chemphyschem
January 2025
Stony Brook University, Chemistry, Department of Chemistry, Stony Brook University, 11794, Stony Brook, UNITED STATES OF AMERICA.
For batteries to function effectively all active material must be accessible requiring both electron and ion transport to each particle. A common approach to generating the needed conductive network is the addition of carbon. An alternative approach is the electrochemically induced formation of conductive reaction products generated with intimate contact to the active material.
View Article and Find Full Text PDFFe, N-CQDs triggered the fabrication of alginate encapsulated g-CN hydrogel for efficient photocatalytic activation of PMS and antibiotic degradation.
Carbohydr Polym
March 2025
School of Environmental and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China. Electronic address:
Carbon dots (CDs) mediated g-CN (CN) is a promising visible-light-driven semiconductor in catalyzing peroxymonosulfate (PMS) for aqueous contaminants remediation. However, the poor dispersibility of powered catalyst and its challenging recyclability impede their broader application. Herein, we embedded FeN bridge within the g-CN framework and immobilized g-CN gel beads (CA/FNCCN) through a 3D cross-linking process with sodium alginate.
View Article and Find Full Text PDFWet scrubbing coupled with advanced oxidation process for removal of chlorobenzene: a study of performance and mechanisms.
Environ Res
January 2025
Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong. Electronic address:
Porous graphitized carbon (PGC)-supported CoFeO bimetallic catalysts (CoFeO/PGC) were prepared by a hydrothermal method using Fe(NO)·9HO and Co(NO)·6HO as precursors and were used to activate peroxymonosulfate (PMS) for the degradation of chlorobenzene (CB). Under the conditions of CoFeO/PGC catalysts and PMS concentrations of 0.1 g/L and 5 mM, respectively, in a wide range of pH (5.
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