Sustainable Chemistry One World最新文献_第8页

Nano-dual defence: Acorus calamus-derived silver and zinc oxide nanoparticles targeting Meloidogyne incognita 纳米双重防御：菖竹衍生的银和氧化锌纳米颗粒靶向不认识的长尾线虫

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-11-12 DOI: 10.1016/j.scowo.2025.100151

Kanika Choudhary , Deepak Sharma , Sahil Patial , Himanshu Thakur , Pankaj Thakur , Dixit Sharma , Sunil Kumar

{"title":"Nano-dual defence: Acorus calamus-derived silver and zinc oxide nanoparticles targeting Meloidogyne incognita","authors":"Kanika Choudhary , Deepak Sharma , Sahil Patial , Himanshu Thakur , Pankaj Thakur , Dixit Sharma , Sunil Kumar","doi":"10.1016/j.scowo.2025.100151","DOIUrl":"10.1016/j.scowo.2025.100151","url":null,"abstract":"<div><div><em>Meloidogyne incognita</em>, commonly known as root-knot nematode, is one of the most destructive plant-parasitic nematodes affecting a wide range of economically important crops worldwide. It invades plant roots, induces gall formation, and disrupts nutrient and water uptake, leading to stunted growth, reduced yield, and significant economic losses. The present study explores the nematicidal efficacy of <em>Acorus calamus</em>-mediated silver (AC-AgONPs) and zinc oxide nanoparticles (AC-ZnONPs) against <em>M. incognita</em>, along with their impact on tomato plant health. Nanoparticles were synthesized and characterized using UV-Vis, FT-IR, XRD, FE-SEM, and HR-TEM, confirming distinct morphological and crystalline features. AC-AgONPs exhibited a smaller crystallite size (3.62 nm) and quasi-spherical shape, while AC-ZnONPs were needle-like with a larger crystallite size (21.15 nm). <em>In vitro</em> assays showed significantly higher juvenile mortality (92.80 %) and egg-hatching inhibition with AC-AgONPs compared to AC-ZnONPs (73.80 %) at 500 ppm after 96 h. AC-AgONPs also exhibited lower LC₅₀ values, indicating greater potency. <em>In vivo</em> application of nanoparticles significantly enhanced tomato plant growth parameters and reduced nematode infection. AC-AgONPs-treated plants showed maximum shoot height (49.08 cm), root length, biomass, and the lowest root gall index (2.66). These results confirm the superior nematicidal potential of silver nanoparticles over zinc and suggest their promising role in integrated nematode management strategies, offering an eco-friendly and sustainable alternative to chemical nematicides.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100151"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145571778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Biomass-derived activated carbon supported ZnO nanocomposite synthesized via Averrhoa carambola leaf extract for the adsorption of methylene blue dye from aqueous solution 以杨桃叶提取物为原料合成生物质活性炭负载ZnO纳米复合材料，用于吸附水溶液中的亚甲基蓝染料

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-09-18 DOI: 10.1016/j.scowo.2025.100117

B. Jebanisha, V.N. Meena Devi

{"title":"Biomass-derived activated carbon supported ZnO nanocomposite synthesized via Averrhoa carambola leaf extract for the adsorption of methylene blue dye from aqueous solution","authors":"B. Jebanisha, V.N. Meena Devi","doi":"10.1016/j.scowo.2025.100117","DOIUrl":"10.1016/j.scowo.2025.100117","url":null,"abstract":"<div><div>This study presents a biomass-driven green approach for wastewater treatment. It allied the potential of <em>Averrhoa carambola L</em>. (star fruit) leaf extract, a readily available plant-based resource, to facilitate the synthesis of activated carbon-loaded zinc oxide (AC@ZnO). This biomass-mediated synthesis offers a more sustainable and environmentally benign route compared to traditional chemical methods for nanomaterial production. The study precisely evaluated the material's performance through both photocatalytic degradation and adsorption. Characterization X-ray diffraction and FTIR confirmed the successful formation of Zinc Oxide (ZnO) and AC@ZnO. A batch adsorption process was employed, systematically varying contact time, biosorbent dosage, dye concentration, and pH to assess their impact on adsorption capacities. Results indicated that MB adsorption was more effective in an alkaline pH environment. Adsorption kinetics were best described by the Boyd, intraparticle diffusion, and pseudo-second-order kinetic models. Equilibrium data fit well with the Harkins-Jura, Freundlich, D-R, and Langmuir isotherm models. Notably, AC@ZnO demonstrated superior photocatalytic activity compared to ZnO, highlighting the synergistic effect of ZnO and activated carbon. This research successfully demonstrates the efficacy of a biomass-enabled AC@ZnO nanocomposite as a promising material for the removal of MB dye from wastewater, showcasing the potential of integrating plant-derived resources into advanced nanomaterials for sustainable environmental applications.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100117"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145109589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A green route fabrication of copper oxide nanoparticles using Nephelium lappaceum L peel to study antioxidant, antibacterial, antibiofilm, anti-inflammatory, phytochemical, and photocatalytic dye degradation properties 利用枸杞皮制备氧化铜纳米粒子，研究其抗氧化、抗菌、抗生物膜、抗炎、植物化学和光催化染料降解性能

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-09-30 DOI: 10.1016/j.scowo.2025.100120

E. Archana , Panchamoorthy Saravanan , Ayesha Aseef , Karpaga Valli Arumugam , R. Rajeshkannan , S. Venkat Kumar

{"title":"A green route fabrication of copper oxide nanoparticles using Nephelium lappaceum L peel to study antioxidant, antibacterial, antibiofilm, anti-inflammatory, phytochemical, and photocatalytic dye degradation properties","authors":"E. Archana , Panchamoorthy Saravanan , Ayesha Aseef , Karpaga Valli Arumugam , R. Rajeshkannan , S. Venkat Kumar","doi":"10.1016/j.scowo.2025.100120","DOIUrl":"10.1016/j.scowo.2025.100120","url":null,"abstract":"<div><div>Green synthesis of nanoparticles using plant-derived materials offers an eco-friendly and cost-effective alternative to conventional methods. This study aimed to synthesize copper oxide nanoparticles (CuO NPs) using <em>Nephelium lappaceum</em> L peel extract as a reducing and stabilizing agent, characterize their properties, and evaluate their multifunctional activities. The formation of CuO NPs was confirmed by UV–Vis (262 nm), FTIR (Cu–O stretching at 597.29 cm⁻¹), SEM (spherical morphology), XRD (36.1 nm crystalline size), TEM (irregular shape), and zeta potential (−17.5 mV). The nanoparticles exhibited strong biological activities, including antioxidant scavenging (49 % at 500 µg/mL), anti-inflammatory inhibition (67 % at 500 µg/mL), antibacterial, antibiofilm, and phytochemical activity. A seed germination assay with <em>Eleusine coracana</em> showed enhanced root and shoot growth, confirming low toxicity. Photocatalytic studies revealed 83 % degradation of aniline yellow dye under sunlight. These findings demonstrate that <em>N. lappaceum</em> peel extract is an effective green source for CuO NP synthesis, providing multifunctional materials with promising biomedical and environmental applications.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100120"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145220955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nanochitosan from cuttlebone of Sepiella inermis: A biopolymer-based antimicrobial agent 海脓杆菌海螵蛸纳米壳聚糖：一种生物聚合物抗菌剂

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-10-24 DOI: 10.1016/j.scowo.2025.100146

Kondapalli Dhanush Balaji Reddy , Yagniyasree Manogaran , Prabhalakshmi Karuppiah Balasubramaniyan , Dhanraj Ganapathy , Pasiyappazham Ramasamy

{"title":"Nanochitosan from cuttlebone of Sepiella inermis: A biopolymer-based antimicrobial agent","authors":"Kondapalli Dhanush Balaji Reddy , Yagniyasree Manogaran , Prabhalakshmi Karuppiah Balasubramaniyan , Dhanraj Ganapathy , Pasiyappazham Ramasamy","doi":"10.1016/j.scowo.2025.100146","DOIUrl":"10.1016/j.scowo.2025.100146","url":null,"abstract":"<div><div>Marine-sourced biopolymers provide promising potential for developing sustainable antimicrobial solutions. In this study, nanochitosan was synthesized from the cuttlebone of <em>Sepiella inermis</em>. The resultant nanochitosan was characterized using FTIR, FESEM, and XRD techniques. The FTIR spectra showed significant absorption bands at 2880 cm⁻¹ (C-H stretching), 1531 cm⁻¹ (N-H bending), and 1008 cm⁻¹ (C-O stretching). These bands indicated chitosan functional groups. FESEM imaging at 6500 × magnification showed a fibrous surface with granular characteristics. Supporting these findings, the XRD measurements revealed a primarily amorphous structure (80 %) with a tiny crystalline portion (20 %). This indicates a semi-crystalline profile suitable for biological activity. The antimicrobial potential of the produced nanochitosan was evaluated against four pathogenic microorganisms (<em>Streptococcus mutans</em>, <em>Pseudomonas aeruginosa</em>, <em>Enterococcus faecalis</em>, and <em>Candida albicans</em>) using the agar well diffusion technique at 25 %, 50 %, and 100 % concentrations. <em>Candida albicans</em> demonstrated the highest sensitivity, with inhibitory zones of 16 ± 1.53 mm. <em>Pseudomonas aeruginosa</em> followed with 14 ± 1.53 mm. <em>Streptococcus mutans</em> showed moderate inhibition (12 ± 1.25 mm), while <em>Enterococcus faecalis</em> did not respond to any of the concentrations. Altogether, these findings confirm the efficiency of <em>S. inermis</em>-derived nanochitosan as a green and strong antimicrobial agent. The results highlight effectiveness, particularly against fungal and Gram-negative microorganisms, and suggest potential usage in biomedical and pharmaceutical applications.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100146"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145416403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synergistic green synthesis of ZnO nanoparticles using Cymbopogon citratus and Nelumbo nucifera for enhanced antibacterial activity 利用香茅和莲子协同绿色合成氧化锌纳米粒子以增强其抗菌活性

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-10-22 DOI: 10.1016/j.scowo.2025.100144

Rakshitha Prakash , Panchamoorthy Saravanan , Pramilaa Kumar , Soghra Nashath Omer , R. Rajeshkannan , S. Venkat Kumar

{"title":"Synergistic green synthesis of ZnO nanoparticles using Cymbopogon citratus and Nelumbo nucifera for enhanced antibacterial activity","authors":"Rakshitha Prakash , Panchamoorthy Saravanan , Pramilaa Kumar , Soghra Nashath Omer , R. Rajeshkannan , S. Venkat Kumar","doi":"10.1016/j.scowo.2025.100144","DOIUrl":"10.1016/j.scowo.2025.100144","url":null,"abstract":"<div><div>This study introduces a novel green synthesis approach for Zinc oxide nanoparticles (ZnO-NPs) using a dual-extract system derived from <em>Cymbopogon citratus</em> (lemongrass) and <em>Nelumbo nucifera</em> (lotus petals).</div></div><div><h3>Methods</h3><div>ZnO-NPs were synthesized using aqueous extracts of lemongrass and lotus petals. Characterization was performed in three stages: SEM and TEM were used to assess morphology and particle size; FTIR, EDAX, and PXRD were employed to determine functional groups, elemental composition, and crystallinity; and UV–Vis spectroscopy and XPS were used to confirm optical properties and surface chemistry. Antibacterial activity was evaluated against multiple bacterial strains using zone of inhibition (ZOI) assays, with statistical validation via ANOVA.</div></div><div><h3>Results</h3><div>SEM and TEM confirmed spherical ZnO-NPs with an average diameter of 12.37 nm. FTIR identified Zn–O, C–O, and CO₃²⁻ stretching modes, indicating phytochemical bio coatings. PXRD revealed sharp peaks corresponding to wurtzite ZnO planes, with an average crystallite size of 13.85 nm. EDAX reported Zn (55 %), O (29.15 %), and C (15.1 %) by weight. XPS showed Zn 2p₃/₂ and Zn 2p₁/₂ peaks at 1022 eV and 1046 eV, confirming Zn²⁺ oxidation state. UV–Vis reflectance revealed a sharp absorption edge between 300–380 nm, indicating a reduced direct band gap of 3.2 eV compared to the ideal 3.37 eV for bulk ZnO. This deviation is attributed to phytochemical-derived bio coatings from lotus and lemongrass extracts, which modulate surface states. Antibacterial assays demonstrated significant inhibition across all tested strains, with enhanced efficacy at higher nanoparticle concentrations and evidence of bacterial cell wall rupture in <em>E. coli</em>.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100144"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multifunctional metal oxide photocatalysts for water purification: Advances in organic pollutant degradation and antibacterial applications 水净化用多功能金属氧化物光催化剂：有机污染物降解及抗菌应用研究进展

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-10-08 DOI: 10.1016/j.scowo.2025.100128

Niveda Leishangthem , Joydeep Das , N. Rajmuhon Singh , N. Mohondas Singh

{"title":"Multifunctional metal oxide photocatalysts for water purification: Advances in organic pollutant degradation and antibacterial applications","authors":"Niveda Leishangthem , Joydeep Das , N. Rajmuhon Singh , N. Mohondas Singh","doi":"10.1016/j.scowo.2025.100128","DOIUrl":"10.1016/j.scowo.2025.100128","url":null,"abstract":"<div><div>Industrialization has led to alarming levels of water contamination, primarily from persistent organic pollutants and pathogenic microorganisms. Metal oxide-based semiconductor photocatalysts have emerged as efficient, eco-friendly solutions due to their unique physicochemical properties and tunable surface characteristics. This review critically examines recent advances in the synthesis, doping, and composite engineering of key metal oxides such as TiO₂, ZnO, CuO, SnO₂, and Fe₃O₄, with a dual focus on photocatalytic degradation of organic pollutants and antibacterial activity. Emphasis is placed on strategies to enhance visible-light responsiveness, including heterojunction formation, rare-earth and transition-metal doping, and green synthesis approaches. Comparative analysis of photocatalytic performance, charge transfer mechanisms, and antimicrobial mechanisms is provided. Additionally, the review outlines challenges such as photocorrosion, recyclability, and toxicity, and proposes future directions including smart hybrid systems and sustainable scale-up methods. By offering a comprehensive synthesis-structure-function relationship, this review aims to guide the rational design of next-generation multifunctional photocatalysts for integrated water purification technologies.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100128"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145325103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Long-term heterotrophic cultivation of Galdieria sulphuraria at technical scale under non-sterile conditions 在非无菌条件下，技术规模长期异养培养硫酸铁蛭

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-09-14 DOI: 10.1016/j.scowo.2025.100116

Daniel Pleissner , Nicole Händel , Stephanie Schönfelder , Janos-Istvan Petrusan , Beatriz Queiroz Silva , Jens Schröder , Josef Müller , Keith Cowan , Sergiy Smetana

{"title":"Long-term heterotrophic cultivation of Galdieria sulphuraria at technical scale under non-sterile conditions","authors":"Daniel Pleissner , Nicole Händel , Stephanie Schönfelder , Janos-Istvan Petrusan , Beatriz Queiroz Silva , Jens Schröder , Josef Müller , Keith Cowan , Sergiy Smetana","doi":"10.1016/j.scowo.2025.100116","DOIUrl":"10.1016/j.scowo.2025.100116","url":null,"abstract":"<div><div>The transition to a sustainable bioeconomy relies on efficient conversion of biomass and industrial side-streams into value-added products. This study evaluates the heterotrophic cultivation of the extremophilic microalga <em>Galdieria sulphuraria</em> using a decentralized, 200 L-scale bioreactor system, testing alternative nutrient sources including glycerol, molasses, and hydrolysates from brewer’s spent grains. The growth performance, yield, and compositional robustness under these complex substrates were compared with a defined medium containing glucose, ammonium, and phosphate. <em>G. sulphuraria</em> demonstrated robust growth across all tested substrates, reaching biomass concentrations between 10 and 26 g L<sup>−1</sup> in semi-continuous operation for over 40 days under acidic and thermophilic conditions. While defined medium supported higher productivity (0.4 kg day<sup>−1</sup>) and consistent nutrient supply, complex substrates derived from agro-industrial residues enabled substantial biomass formation (0.1–0.2 kg day<sup>−1</sup>) but required careful management of nutrient balance and potential inhibitory by-products such as acetic and lactic acids from molasses. Biomass analysis revealed variable macromolecular content depending on the substrate, with protein levels between 25 % and 42 % (w/w) and carbohydrates and lipids ranging broadly. The findings highlight the technical feasibility and adaptability of <em>G. sulphuraria</em> for decentralized conversion of waste streams, supporting more resilient and distributed models of resource valorization within the bioeconomy. Further optimization of substrate processing and system integration is recommended to improve productivity and scalability.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100116"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145096807","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Exploring spatiotemporal water quality change of eutrophicated urban lake 富营养化城市湖泊水质时空变化研究

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-10-08 DOI: 10.1016/j.scowo.2025.100126

Amit Singh , Vishal Anand , Sanjeev Kumar Prajapati , Attila Bai

{"title":"Exploring spatiotemporal water quality change of eutrophicated urban lake","authors":"Amit Singh , Vishal Anand , Sanjeev Kumar Prajapati , Attila Bai","doi":"10.1016/j.scowo.2025.100126","DOIUrl":"10.1016/j.scowo.2025.100126","url":null,"abstract":"<div><div>The long-term health and ecological stability of urban water bodies are intrinsically linked to their water quality. This study assesses the current ecological state of the hyper-eutrophic, warm polymictic Hauz Khas Lake in Delhi, India, which has been rejuvenated with Sewage Treatment Plant (STP) effluent and suffered from eutrophication since then. The primary objective was to evaluate the lake's health by analyzing major physical, chemical, and biological parameters and to quantify changes over an eight-year period. Water quality was assessed using the Water Quality Index (WQI) and Trophic State Index (TSI), with further statistical analysis conducted via Principal Component Analysis (PCA). Our findings reveal that the lake is under significant stress from elevated nutrient inputs (NO₃-N: 1.9–3.13 mg/L, PO₄³⁻: 4–8 mg/L), resulting in a hyper-eutrophic state of 191.66 ± 10.68 (2022–23). The WQI ranged from 44.28 to 64.28, indicating medium to poor water quality with a slight degradation compared to 2015 data. PCA results show a significant intensification of interactions among water quality parameters over the last eight years, with the variance explained by the first two principal components increasing by 37.5 % and 28.57 %, respectively. This study concludes that while the STP-based rejuvenation strategy has maintained the lake's physical existence, it has led to severe hyper-eutrophication, highlighting the urgent need for advanced nutrient management strategies for urban lake conservation</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100126"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145266980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multifunctional copper oxide nanoparticles from Solanum nigrum: Photocatalysis, antimicrobial activity, and phytotoxicity evaluation 从龙葵中提取的多功能氧化铜纳米颗粒：光催化、抗菌活性和植物毒性评价

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-10-12 DOI: 10.1016/j.scowo.2025.100133

K. Ramaprabha , Panchamoorthy Saravanan , R. Amitha , M.E. Srividhya , R. Rajeshkannan , Eduardo Alberto Lopez-Maldonado , M. Rajasimman , S. Venkat Kumar

{"title":"Multifunctional copper oxide nanoparticles from Solanum nigrum: Photocatalysis, antimicrobial activity, and phytotoxicity evaluation","authors":"K. Ramaprabha , Panchamoorthy Saravanan , R. Amitha , M.E. Srividhya , R. Rajeshkannan , Eduardo Alberto Lopez-Maldonado , M. Rajasimman , S. Venkat Kumar","doi":"10.1016/j.scowo.2025.100133","DOIUrl":"10.1016/j.scowo.2025.100133","url":null,"abstract":"<div><div>Green synthesis of nanoparticles using plant extracts offers an eco-friendly, cost-effective, and energy-efficient alternative to conventional methods. In this study, Copper Oxide nanoparticles were biosynthesized using <em>Solanum nigrum</em> leaf extract, and phytochemical screening identified bioactive compounds responsible for reduction and stabilization. The nanoparticles were characterized by UV–Vis spectroscopy, showing a characteristic absorbance peak at 243 nm, Fourier Transform Infrared Spectroscopy (FTIR) to identify surface functional groups, X-Ray Diffraction (XRD) with an average crystallite size of 43.69 nm, and Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM–EDS) to analyze morphology and elemental composition. Their photocatalytic activity was evaluated by degrading Metanil Yellow dye, showing 79.44 % decolorization efficiency. Antibacterial activity was assessed via the agar well diffusion method, with Minimum Inhibitory Concentration (MIC) and Minimum Bactericidal Concentration (MBC) determined against pathogenic strains. Phytotoxicity assessment using <em>Macrotyloma uniflorum</em> (horse gram) indicated biocompatibility and environmental safety. These findings indicate that <em>Solanum nigrum</em>-mediated Copper oxide nanoparticles possess effective photocatalytic and antibacterial properties with low phytotoxicity, highlighting their potential for wastewater treatment and antimicrobial applications.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100133"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145325095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Resource utilization of coal gangue through geopolymerization: Unraveling trends, gaps, and circular economy insights 煤矸石地聚合资源利用：揭示趋势、差距和循环经济见解

Sustainable Chemistry One World Pub Date : 2025-12-01 Epub Date: 2025-10-20 DOI: 10.1016/j.scowo.2025.100142

Georgy Lazorenko , Anton Kasprzhitskii

{"title":"Resource utilization of coal gangue through geopolymerization: Unraveling trends, gaps, and circular economy insights","authors":"Georgy Lazorenko , Anton Kasprzhitskii","doi":"10.1016/j.scowo.2025.100142","DOIUrl":"10.1016/j.scowo.2025.100142","url":null,"abstract":"<div><div>Coal gangue (CG) is among the world’s most plentiful industrial solid wastes, and its accumulation in spoil heaps poses numerous environmental hazards – ranging from self-ignition and slope instability to land occupation and the leaching and weathering of pollutants that degrade air, soil and water. Geopolymerization offers a viable means of transforming this mining by-product into low-carbon construction materials. This work presents the first systematic bibliometric survey and literature review of CG-based geopolymers, analyzing publications from their inception in 2008 until recent studies. Using the Scopus database and VOSviewer for visualization, the study tracks the field’s evolution, highlights landmark papers, key journals and highly cited articles, and quantifies the contributions of leading researchers, institutions and countries while revealing patterns of international collaboration. Keyword co-occurrence clustering further delineates dominant research themes, emerging priorities and current trajectories, providing a comprehensive snapshot of the global knowledge landscape. Finally, the analysis identifies persistent challenges and knowledge gaps and points to promising directions for future inquiry, providing actionable guidance for both academia and industry.</div></div>","PeriodicalId":101197,"journal":{"name":"Sustainable Chemistry One World","volume":"8 ","pages":"Article 100142"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0