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Papers
20 resultsShowing papers similar to Fe Doping Enhances the Peroxidase-Like Activity of CuO for Ascorbic Acid Sensing
ClearEnhanced Fenton-like process over Cu/L(+)-ascorbic acid co-doping mesoporous silica for toxicity reduction of emerging contaminants
This paper is not about microplastic pollution. It describes a copper and ascorbic acid co-doped mesoporous silica catalyst that rapidly degrades bisphenol A (BPA) and other emerging contaminants in water through an enhanced Fenton-like reaction, reducing their biological toxicity.
Nanomaterial enhanced photoelectrocatalysis and photocatalysis for chemical oxygen demand sensing a comprehensive review
This paper is not relevant to microplastics research; it reviews photocatalytic and photoelectrocatalytic sensors for measuring chemical oxygen demand in wastewater, focusing on nanomaterial-enhanced water quality monitoring rather than plastic particle detection.
Facile synthesis and characterization of Fe3O4/analcime nanocomposite for the efficient removal of Cu(II) and Cd(II) ions from aqueous media
This paper is not relevant to microplastics research — it synthesises a magnetic Fe3O4/analcime nanocomposite for removing copper and cadmium ions from water, focused on heavy metal remediation.
Size-dependent effects of nanoplastics on structure and function of superoxide dismutase
Researchers used multi-spectroscopic techniques to examine how nanoplastics of different sizes interact with and alter the structure and function of the antioxidant enzyme superoxide dismutase. The study found size-dependent effects, with nanoplastics binding to the enzyme and altering its secondary structure, ultimately reducing its activity, which has implications for understanding how nanoplastics may disrupt cellular antioxidant defenses.
Spectroscopic investigations on the interaction between nano plastic and catalase on molecular level
Researchers investigated how polystyrene nanoplastics interact with the enzyme catalase at different pH levels, finding that nanoplastics alter the protein's secondary structure and reduce its enzymatic activity through static quenching and hydrophobic binding mechanisms.
Environmental remediation approaches by nanoscale zero valent iron (nZVI) based on its reductivity: a review
This review covers how nanoscale zero-valent iron particles can be used to clean up contaminated wastewater through chemical reduction of pollutants like heavy metals and organic compounds. While not directly about microplastics, these remediation technologies are relevant because they represent advanced approaches to treating the kinds of contaminated water that often also contains microplastic pollution.
Evaluating the Effectiveness of Vitamins E and C in Mitigating the Toxic Effects of Zinc Oxide Bulk and Nanoparticles on Fish: A Review
This paper is not relevant to microplastics — it is a review of how vitamins E and C can reduce the toxic effects of zinc oxide nanoparticles on fish in aquatic environments.
Bioinspired single-atom nanozymes for microplastic degradation
Researchers designed copper single-atom nanozymes inspired by natural laccase enzymes and tested their ability to degrade microplastics. The bioinspired catalysts mineralized more than 90% of microplastic material into non-toxic products. The study presents a promising new strategy for addressing microplastic pollution using engineered nanoscale catalysts.
Impact of nanoplastics on the algicide efficacy of CuSO4 against Microcystis aeruginosa and the release of microcystin: A physiological and metabolomic analysis
Researchers investigated how nanoplastics affect the ability of copper sulfate to control Microcystis aeruginosa harmful algal blooms, finding that nanoplastics altered copper bioavailability and toxicity, reducing the efficacy of this common algicide.
Probing the molecular mechanism of interaction between polystyrene nanoplastics and catalase by multispectroscopic techniques
Researchers investigated the molecular mechanism of interaction between polystyrene nanoplastics and the antioxidant enzyme catalase using multispectroscopic techniques, revealing how nanoplastic accumulation may disrupt enzymatic function and contribute to oxidative stress.
Evidence of microplastics release from polythene and paper cups exposed to hot and cold: A case study on the compromised kinetics of catalase
Researchers found that both polythene bags and paper cups release microplastic particles when exposed to hot and cold water at various time intervals. The study demonstrated that these released microplastics can bind to and alter the structure of the antioxidant enzyme catalase, reducing its enzymatic activity by approximately 1.4-fold, suggesting that everyday plastic-containing materials may release particles that interfere with biological processes.
Synthesis and Adsorption Characteristic Evaluation of Copper Hexacyanoferrate for Nanoplastic Adsorption Removal
Researchers synthesized copper hexacyanoferrate nanoparticles and evaluated their ability to adsorb microplastics from water, finding the material effective at capturing plastic particles through electrostatic interactions and identifying it as a candidate for water treatment applications.
Synthesis, characterization and antimicrobial activity of Cassia fistula mediated Cobalt doped Copper oxide nanoparticle against Salmonella typhi a step toward antibacterial nanomedicine
Not relevant to microplastics — this study describes the green synthesis of copper oxide nanoparticles using plant extract and tests their antibacterial activity against Salmonella typhi.
Enhanced Biocompatibility and Multifunctional Properties of Iron-Doped Zinc Oxide Nanoparticles for Applications
This materials science paper describes the synthesis and characterization of iron-doped zinc oxide nanoparticles for biomedical applications including drug delivery and imaging. The study is focused on nanomedicine and is not related to environmental microplastic research.
In Situ Electrochemical Synthesis of Squamous-like Cu2S Induced by Sulfate-Reducing Bacteria as a Fenton-like Catalyst in Wastewater Treatment: Catalytic Performance and Mechanism
Not relevant to microplastics — this study synthesizes copper sulfide (Cu2S) catalysts on copper mesh using sulfate-reducing bacteria for Fenton-like degradation of methylene blue dye in wastewater, with no connection to microplastic research.
Functional Ag-EDTA-modified MnO2 nanocoral reef for rapid removal of hazardous copper from wastewater
This paper is not about microplastics; it describes the synthesis of a MnO2-EDTA-silver nanoparticle composite for adsorbing copper ions from wastewater, achieving near-complete removal under optimized conditions.
Study on Adsorption of Heavy Metals Cu and Zn by Microplastics Under Different Aged Factors
Researchers examined how aging of polyethylene microplastics under different conditions -- varying pH, dissolved organic matter, and hydrogen peroxide -- affects their adsorption of Cu and Zn, finding that H2O2-induced aging most strongly enhanced heavy metal sorption capacity.
Study on the binding of polystyrene microplastics with superoxide dismutase at the molecular level by multi-spectroscopy methods
Researchers used multiple spectroscopy methods to study how polystyrene microplastics interact with the antioxidant enzyme superoxide dismutase (SOD) at the molecular level. The study found that microplastics altered SOD's protein structure, forming larger complexes and increasing the enzyme's activity in a concentration-dependent manner, providing insights into how microplastics may affect biological antioxidant systems.
In Situ Real‐Time and Reusable Antibacterial Mask Based on CoO@Ag Nanozyme with Enhanced Catalytic Activity
Researchers synthesized a CoO@Ag nanozyme that rapidly generates singlet oxygen and hydroxyl radicals at room temperature and incorporated it into a reusable antibacterial mask, demonstrating that the mask can inactivate bacteria in real time while reducing the microplastic pollution caused by disposable surgical masks.
Microplastics as carriers of iron and copper nanoparticles in aqueous solution
Researchers investigated how three common types of microplastics absorb iron and copper nanoparticles from water. They found that all three plastics could adsorb significant amounts of metal nanoparticles on their surfaces through physical attachment, with maximum absorption occurring under alkaline conditions. The findings highlight how microplastics can serve as carriers of metal pollutants in aquatic environments, potentially increasing their spread and ecological impact.