Raquel Leal Silvério , Pedro M. Portugal , Rodrigo G. Amorim , Diego Pereira Sangi , Gabriel Rodrigues Antunes , Lilian Weitzel Coelho , Ravindra Pandey , Elivelton Alves Ferreira
{"title":"High inhibition efficiency and hydrogen permeation for novel N-heterocycles of SAE 1020 in HCl solution","authors":"Raquel Leal Silvério , Pedro M. Portugal , Rodrigo G. Amorim , Diego Pereira Sangi , Gabriel Rodrigues Antunes , Lilian Weitzel Coelho , Ravindra Pandey , Elivelton Alves Ferreira","doi":"10.1016/j.jiec.2025.07.010","DOIUrl":"10.1016/j.jiec.2025.07.010","url":null,"abstract":"<div><div>To safeguard carbon steel during industrial acid pickling, it is essential to create corrosion and atomic hydrogen embrittlement inhibitors that are effective, non-toxic, and easily produced. Here, we synthesized and investigated the efficacy of 2-(nitromethylene)-1,3-oxazinane (NOX) and 2-(nitromethylene)hexahydropyrimidine (NHE) as corrosion inhibitors for SAE 1020 steel in 1.0 mol L<sup>−1</sup> HCl aqueous solutions, within a concentration range of 3.7 mmol L<sup>−1</sup> to 4.0 mmol L<sup>−1</sup>. For both inhibitors were obtained, an efficiency up to 82.7% (91.5%) for NHE (NOX), respectively. The NOX compound exhibited a 42.80% inhibitory efficacy of atomic hydrogen permeation. An anomalous behavior was noted in NOX, depending on its concentrations, leading to efficiency reduction. Theoretical calculations were performed using Density Functional Theory (DFT), where it was demonstrated that NOX is an energetically preferable molecule and has smaller binding energy compared with NHE. Two distinct concentrations of NOX molecules were examined, and at a higher concentration, an oxygen atom is released from the molecule and binds to the Fe surface. This phenomenon does not occur at low concentrations, and is ascribed to the anomalous behavior of the NOX molecule. Our finding paves the way for novel and high-efficiency N-heterocycle inhibitors.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 473-486"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
D. Bhagawan , Nisha Kumari , Ramin R. Farnood , Goutham Rangarajan
{"title":"Selective oxidation of a lignin model compound using ZnO/TiO2 photocatalysts: A mechanistic study","authors":"D. Bhagawan , Nisha Kumari , Ramin R. Farnood , Goutham Rangarajan","doi":"10.1016/j.jiec.2025.07.036","DOIUrl":"10.1016/j.jiec.2025.07.036","url":null,"abstract":"<div><div>Lignin, a complex and recalcitrant polymer composed of phenylpropane units, is a significant by-product in the chemical processing of cellulose and cellulosic ethanol production. Traditional methods for lignin depolymerization, such as thermochemical processes and microbiological treatments, often suffer from low yields, poor selectivity, and high costs. This study explores the photocatalytic degradation of lignin as a promising alternative, leveraging the unique properties of ZnO/TiO<sub>2</sub> nanocatalysts synthesized via a modified sol–gel method. Characterization of the nanocatalysts using XRD, FESEM, FTIR, UV–Vis, DLS, and Zeta Potential confirmed their structural, morphological, and optical properties. The photocatalytic activity was assessed using a lignin model compound, 2-phenoxy-acetophenone, under UV light irradiation (Mercury lamp 350 W). Results indicated that the ZnO/TiO<sub>2</sub> nanocatalysts effectively facilitated the selective oxidation of β-O-4 linkages, resulting in the production of valuable aromatic compounds. The photocatalytic reactions were optimized for various catalyst doses (0.5 g/l, 0.75 g/l and 1.0 g/l), and radical scavenging experiments identified hydroxyl radicals (OH<sup>·</sup>) and superoxide radicals (O<sub>2</sub><sup>·-</sup>) as the primary reactive oxygen species involved. The conversion rates and product yields were analyzed using UHPLC, revealing significant insights into the mechanistic pathways and intermediate products. This research advances the development of sustainable and economically viable methods for lignin valorisation, enhancing the profitability and sustainability of biorefineries by transforming lignin waste into valuable chemical feedstocks.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 734-747"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Umar Farooq , Hadia Noor , Mohammad Ehtisham Khan , Fazlurrahman Khan , Faris Alfifi , Syed Kashif Ali , Gulam Rabbani , Wahid Ali , Abdulrahman Khamaj
{"title":"Dual-Function oxygen-vacancy-rich Zn0.98Co0. 02O/GGAC/γ-Al2O3/CeO2/α-MoO3 heterojunction with minimal metal leaching for PMS-Driven 17α-Ethinylestradiol degradation and CO2-to-CH4 conversion","authors":"Umar Farooq , Hadia Noor , Mohammad Ehtisham Khan , Fazlurrahman Khan , Faris Alfifi , Syed Kashif Ali , Gulam Rabbani , Wahid Ali , Abdulrahman Khamaj","doi":"10.1016/j.jiec.2025.12.007","DOIUrl":"10.1016/j.jiec.2025.12.007","url":null,"abstract":"<div><div>The increasing presence of endocrine-disrupting chemicals (EDCs), particularly 17α-ethinylestradiol (EE2), in aquatic systems poses serious environmental and health risks. In this work, a novel Zn<sub>0.98</sub>Co<sub>0.02</sub>O/γ-Al<sub>2</sub>O<sub>3</sub>/CeO<sub>2</sub>/α-MoO<sub>3</sub> S-scheme heterojunction, modified with guar gum/activated carbon (GGAC), was fabricated for efficient peroxymonosulfate (PMS) activation and photocatalytic CO<sub>2</sub> reduction. Comprehensive characterization (XRD, FTIR, XPS, SEM, TEM, BET, EIS, AFM, DLS, and zeta potential) confirmed successful synthesis, while high-resolution Ce 3d, Co 2p, and Mo 3d spectra verified oxygen-vacancy formation and interfacial charge modulation. Optimization using the RSM-CCD model identified optimal parameters (1.00 g L<sup>−1</sup> catalyst, 2.42 mM PMS, pH 7.23, and 10 mg L<sup>−1</sup> EE2), achieving 97.81 % degradation within 1 h (k = 0.169 min<sup>−1</sup>) and 89.28 % efficiency after 8 cycles. The reaction mechanism involved photo-assisted PMS activation, dominated by SO<sub>4</sub><sup>•−</sup> and <sup>•</sup>OH radicals. Moreover, the heterojunction exhibited excellent CO<sub>2</sub> photoreduction, achieving a CH<sub>4</sub> production rate of 5837.49 µmol g<sup>−1</sup>h<sup>−1</sup>, far exceeding pristine materials. The enhanced activity arises from defect engineering and surface/interface coupling, providing a sustainable route for simultaneous pollutant degradation and carbon valorization, consistent with the surface science and catalytic materials.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 835-854"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924559","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Modulating the electronic structure of NiS@WS2 for efficient bifunctional electrocatalysts in alkaline water electrolysis","authors":"Athibala Mariappan , Ranjith Kumar Dharman , Huang-Mu Lo , Tae Hwan Oh","doi":"10.1016/j.jiec.2025.12.008","DOIUrl":"10.1016/j.jiec.2025.12.008","url":null,"abstract":"<div><div>The growing need for effective and affordable water splitting has stimulated research on cost-effective metal electrocatalysts for the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER). In the present work, NiS@WS<sub>2</sub> was prepared using a hydrothermal process towards high-performance electrocatalytic water electrolysis in an alkaline environment. The as-synthesized NiS@WS<sub>2</sub>-2 electrocatalyst exhibited excellent electrocatalytic performance and durability in an alkaline medium, requiring overpotentials of 101 mV (HER) and 280 mV (OER) to deliver 10 mA cm<sup>−2</sup>. Furthermore, the NiS@WS<sub>2</sub>-2||NiS@WS<sub>2</sub>-2 cell requires only 1.55 V to derive 10 mA cm<sup>−2</sup>, representing exceptional water electrolysis. Its remarkable long-term durability was confirmed by a continuous 100-h stability test, during which the cell voltage remained nearly constant. The noteworthy electrocatalytic performance of the optimized NiS@WS<sub>2</sub>-2 electrocatalyst arise from its flake-like morphology, which facilitates mass and charge transport, and its optimized electronic structure, which promotes efficient electrocatalytic kinetics. The present study highpoints the potential of 2D transition metal dichalcogenides beyond WS<sub>2</sub> as competitive electrocatalysts for overall water splitting.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 855-863"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Continuous synthesis of prebiotics in a helical oscillatory baffled reactor","authors":"Radoslava Pravilović , Branislav Todić , Milica Simović , Milica Veljković , Dejan Bezbradica , Nikola Nikačević","doi":"10.1016/j.jiec.2025.06.046","DOIUrl":"10.1016/j.jiec.2025.06.046","url":null,"abstract":"<div><div>A novel helical oscillatory baffled reactor (HOBR) was utilized for continuous production of prebiotics, using a 3D-printed prototype (4 m in length, 10 mm in diameter). The reactor’s performance was evaluated for the synthesis of galactooligosaccharides (GOS) with free enzymes. Continuous operation resulted in high product concentrations, ranging from 100 mmol/l to 200 mmol/l GOS, depending on the experimental conditions. Steady-state concentrations of lactose and GOS were reached after twice the residence time. The potential for recycling was investigated to enhance mixing and prolong retention times, which are beneficial for slow biochemical reactions. However, the results indicated that recycling was unnecessary for a reactor length of 4 m. Additionally, a difference between the input and output mass of the enzyme suggested that a portion of the enzyme was retained within the reactor. Numerical optimization of inlet concentrations and flow rates confirmed that recycling was not required, and that the maximum possible concentration of lactose should be used. The optimal enzyme concentration depends on the objective function, i.e. whether enzyme consumption is considered. The transition from batch to continuous synthesis resulted in enhanced lactose conversion, selectivity, and productivity, highlighting the HOBR as an efficient and effective system for intensifying prebiotic production.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 264-275"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Dang Le Tri Nguyen , Duy Ha Le Phuong , Thuy-Phuong T. Pham , Anh Ngoc T. Cao , Tung M. Nguyen
{"title":"Designing efficient methane dry reforming catalysts: insights into the influence of calcium, iron, and manganese on cobalt-based systems","authors":"Dang Le Tri Nguyen , Duy Ha Le Phuong , Thuy-Phuong T. Pham , Anh Ngoc T. Cao , Tung M. Nguyen","doi":"10.1016/j.jiec.2025.07.025","DOIUrl":"10.1016/j.jiec.2025.07.025","url":null,"abstract":"<div><div>Methane dry reforming (MDR) offers an eco-friendly method for syngas production by utilizing methane and carbon dioxide—two major greenhouse gases. A key challenge to its practical application is catalyst deactivation due to carbon deposition. In this study, cobalt-based catalysts doped with calcium, iron, and manganese were synthesized via incipient wetness impregnation and characterized by BET, XRD, H<sub>2</sub>-TPR, CO<sub>2</sub>-TPD, SEM, and TEM. Catalytic performance was tested at 700 °C and atmospheric pressure. Promoter addition enhanced cobalt dispersion, reducibility, and surface basicity, thereby boosting methane and CO<sub>2</sub> conversion rates. Among the catalysts, 0.3Ca-8Co@Al<sub>2</sub>O<sub>3</sub> showed the best performance, achieving CH<sub>4</sub> and CO<sub>2</sub> conversions of 83% and 97%, respectively, with negligible coke formation. Post-reaction analysis confirmed the absence of filamentous carbon in the Ca-promoted catalyst, preventing cobalt encapsulation and ensuring sustained activity. These results underscore the importance of surface basicity in suppressing carbon buildup and suggest calcium as a highly effective promoter for enhancing the stability and performance of cobalt-based MDR catalysts.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 583-596"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ali Salehi , Pouria Amani , Florence Bartlett , Nasim Amiralian , Julie Pearce , Victor Rudolph , Mahshid Firouzi
{"title":"Cellulose nanocrystal-CTAB stabilised CO2 foams at elevated pressures","authors":"Ali Salehi , Pouria Amani , Florence Bartlett , Nasim Amiralian , Julie Pearce , Victor Rudolph , Mahshid Firouzi","doi":"10.1016/j.jiec.2025.07.005","DOIUrl":"10.1016/j.jiec.2025.07.005","url":null,"abstract":"<div><div>Stable CO<sub>2</sub> foams play an important role in various industrial applications, where prolonged foam stability is necessary for enhancing process efficiency. One prominent application is in geological CO<sub>2</sub> storage, where foams improve residual trapping. However, achieving sufficient stability under reservoir conditions remains a major challenge. While nanoparticles like silica and biobased particles such as cellulose nanocrystals (CNC) have shown promise for CO<sub>2</sub> foam stabilization, reported foam lifetimes typically span only a few hours, far shorter than the duration needed for effective geological storage.</div><div>This study addresses this limitation by developing a new foam formulation combining CNC and cetyltrimethylammonium bromide (CTAB), evaluated under elevated temperatures (20–60 °C) and pressures (10–50 bar), representing practical applications. A mixture containing 2 wt% CNC and 0.5 mM CTAB produced CO<sub>2</sub> foam with a half-life nearly four times longer than that of CTAB alone at 20 °C and 10 bar. At 50 bar, foam stability extended beyond two weeks, with no observable foam decay and only an 18 % increase in bubble size after 14 days.</div><div>These lifetimes far exceed those reported in prior studies and demonstrate the potential of CNC–CTAB mixtures for applications that demand long-lasting CO<sub>2</sub> foams at elevated pressures. This improved stability is attributed to suppressed drainage and coarsening, resulting from increased bulk viscosity from large CNC-CTAB aggregates, as confirmed through cryo-TEM, confocal microscopy, and rheological analysis.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 397-408"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924188","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Huma Javeria , Basem E. Keshta , Muhammad Qamer Abbas , Shu-Huan Chen , Wajeeha Fatima , Zhenxia Du
{"title":"Ultra-luminescent B, N-doped peanut shell carbon quantum Dots: Green synthesis for rapid on-site fluorescent detection of barium and silver ions in aqueous media","authors":"Huma Javeria , Basem E. Keshta , Muhammad Qamer Abbas , Shu-Huan Chen , Wajeeha Fatima , Zhenxia Du","doi":"10.1016/j.jiec.2025.07.001","DOIUrl":"10.1016/j.jiec.2025.07.001","url":null,"abstract":"<div><div><span>Carbon quantum dots (CQDs) prepared from biomass material have emerged as promising nanomaterials due to their unique optical properties, biocompatibility, and diverse applications. However, the complex composition of biomass-derived CQDs has limited their usage for practical applications. In this study, we synthesized highly fluorescent carbon quantum dots from peanut shells, achieving an impressive quantum yield of 56 % (Ex = 325 nm, Em = 389 nm) through a synergistic effect of urea and boric acid, resulting in the development of B, N-functionalized peanut shell CQDs (BCNPSCA CQDs). The optical and structural characteristics of BCNPSCA CQDs were analyzed using FTIR, XRD, TEM, and XPS techniques, confirming their amorphous nature with a slight degree of crystallinity and an average particle diameter of 5–6 nm. The prepared CQDs demonstrate remarkable sensitivity for the on-site visual detection of Ag</span><sup>+</sup> and Ba<sup>2+</sup> ions in aqueous solution, with ultra-low detection limits of 0.17 nM and 0.2 nM, respectively. The synthesized BCNPSCA CQDs exhibit high sensitivity for heavy metal ions, rapid response time, and remarkable fluorescence properties, highlighting their potential as a promising candidate for future applications in biomedical imaging, food safety, and environmental monitoring. This research paves the way for the development of affordable and efficient nanomaterial-based sensors, reducing dependence on expensive analytical instruments.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 348-359"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924191","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ameneh Taghavi-Kahagh , Farid Behboodi-Sadabad , Mehdi Salami-Kalajahi
{"title":"Multi-emission metal–organic framework (MOF)-based composites: A comprehensive review of synthesis strategies and luminescence applications","authors":"Ameneh Taghavi-Kahagh , Farid Behboodi-Sadabad , Mehdi Salami-Kalajahi","doi":"10.1016/j.jiec.2025.07.021","DOIUrl":"10.1016/j.jiec.2025.07.021","url":null,"abstract":"<div><div>Due to a large specific surface area, high porosity, and adjustable internal surface properties, metal–organic frameworks (MOFs) have exhibited unmatched versatility in optical sensing applications. Their unique structures, combining inorganic metal ions or cluster nodes with organic linkers, enable the creation of “multiple photonic units” that offer diverse luminescence options suitable for customized sensing applications. Moreover, MOFs achieve ratiometric and multiplexing, and multimodality measurement capabilities by encapsulating luminescent guest molecules within their porous structures, which allows for greater adaptability and functionality in optical measurements. In this review, we have discussed a variety of MOF types, their structures, synthesis properties, mechanisms, and sensing applications. In contrast to previous reviews that overly rely on describing the general luminescent features or sensing capabilities of MOFs, this work is more holistic, covering multi-emission MOFs and extending its focus towards the entire spectrum of MOF-based sensors. This review highlights the versatility of sensing emission tunability achieved by single-, dual-, and multi-emission MOFs by meticulously analyzing their synthesis approaches and functional characteristics. In addition, it brings a new perspective by integrating comprehensive mechanisms of fluorescence enhancement and quenching with food contamination detection applications, where ratiometric sensing becomes pivotal. The addition of wearable sensing, SERS-active MOF nanosensors, and bio-labeling strategies expands the scope beyond conventional sensing platforms and traditional approaches, advancing this review as a prospective resource towards designing multifunctional sensors with integrated detection capabilities based on MOFs.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 101-135"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924297","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bahri Gür , Barış Gülhan , Önder Akkaş , Melek Akgöz , Canan Vejselova Sezer , Mustafa Cengiz , Hatice Mehtap Kutlu , Mehmet Hakkı Alma
{"title":"Cobalt oxide nanoparticles as a promising antifungal agent for Candida species: Eco-friendly synthesis from Platanus orientalis L. leaf extract and its applications","authors":"Bahri Gür , Barış Gülhan , Önder Akkaş , Melek Akgöz , Canan Vejselova Sezer , Mustafa Cengiz , Hatice Mehtap Kutlu , Mehmet Hakkı Alma","doi":"10.1016/j.jiec.2025.07.043","DOIUrl":"10.1016/j.jiec.2025.07.043","url":null,"abstract":"<div><div>The development of environmentally compatible nanomaterials with biomedical potential has garnered increasing interest. In this study, cobalt oxide nanoparticles (Co<sub>3</sub>O<sub>4</sub>-NPs) were synthesized by an eco-friendly method using <em>Platanus orientalis</em> L. leaf extract as a reducing and stabilizing agent. Structural and physicochemical characterizations confirmed the successful formation of spinel-type Co<sub>3</sub>O<sub>4</sub>-NPs with controlled size and morphology. Synthesis at pH 12 resulted in smaller (22.70 nm) and more stable nanoparticles which showed increased anticandidal activity. The minimum inhibitory concentrations (MIC: 3.91, 7.81, and 1.95 mg/mL) and the minimum fungicidal concentrations (MFC: 15.63, 62.50, and 7.81 mg/mL) indicated a strong antifungal effect against <em>Candida albicans, Candida tropicalis</em>, and <em>Candida glabrata</em>, respectively. In addition, Co<sub>3</sub>O<sub>4</sub>-NPs showed concentration-dependent cytotoxicity on MDA-MB-231 breast cancer cells with the inhibition concentration 50 value (IC<sub>50</sub>: 0.07 mg/mL 24-h) indicating potential anticancer effect. These results highlight the dual antifungal and cytotoxic capabilities of biogenically synthesized Co<sub>3</sub>O<sub>4</sub>-NPs, making them strong candidates for future biomedical applications.</div></div>","PeriodicalId":363,"journal":{"name":"Journal of Industrial and Engineering Chemistry","volume":"154 ","pages":"Pages 791-805"},"PeriodicalIF":5.9,"publicationDate":"2026-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145924550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}