ChemistrySelectPub Date : 2026-04-08DOI: 10.1002/slct.202507444
Nitin Kumar Singh, Hrushikesh M. Gade, Vrushali Khedkar Madurwar, Piyush P. Wanjari
{"title":"Investigating Self-Assembly of Oppositely Charged Cyclic Peptides And Its Application Toward Drug Entrapment","authors":"Nitin Kumar Singh, Hrushikesh M. Gade, Vrushali Khedkar Madurwar, Piyush P. Wanjari","doi":"10.1002/slct.202507444","DOIUrl":"10.1002/slct.202507444","url":null,"abstract":"<div>\u0000 \u0000 <p>The self-assembly of oppositely charged cyclic peptides offers a route to stable nanotubes for molecular encapsulation. We used molecular dynamics (MD) to probe self-assembly of lysine–aspartic acid and lysine–glutamic acid 24-residue rings in water, tetrahydrofuran (THF), and hexane. Hydrogen-bonding, solvent-accessible surface area, radius of gyration, and pore geometry analyses revealed strong solvent dependence. Water strongly solvated the peptides and weakened inter-peptide contacts whereas hexane promoted aggregation of the charged peptides. THF produced compact, ordered nanotubes with well-defined channels, identifying it as the most favorable medium. THF-stabilized assemblies were then assessed for loading the anticancer drug, 5-fluorouracil. Multiple molecules were found at the peptide interface and inside the central pore, suggesting effective loading and strong binding. Potentials of mean force calculations showed deep minima (–18 to –20 kcal <span></span><math></math>), consistent with stable confinement. These results demonstrate that oppositely charged cyclic peptides form robust tubular nanostructures that encapsulate small polar molecules, supporting their use as versatile carriers for drug delivery.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683457","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemistrySelectPub Date : 2026-04-08DOI: 10.1002/slct.202504749
Khyati Tomar, Siddharth Gautam, Anjana Sarkar
{"title":"Effect of Terminalia chebula Seed Extract Concentration on the Structural, Optical, and Photocatalytic Properties of Biosynthesized SnO2 Nanoparticles","authors":"Khyati Tomar, Siddharth Gautam, Anjana Sarkar","doi":"10.1002/slct.202504749","DOIUrl":"10.1002/slct.202504749","url":null,"abstract":"<div>\u0000 \u0000 <p>In this study, tin oxide (SnO<sub>2</sub>) nanoparticles (NPs) were biosynthesized using <i>Terminalia chebula</i> seed extract at varying concentrations of 3%, 4%, and 5%, highlighting the critical role of extract concentration in tuning the properties of the resulting nanomaterials. Structural and morphological analyses confirmed the formation of tetragonal SnO<sub>2</sub> NPs with particle size decreasing from 12.3 to 11.5 nm as the extract concentration increased. Characterization by X-ray diffraction (XRD), UV–visible spectroscopy (UV–vis), High-transmission electron microscopy (HR-TEM), and Brunauer–Emmett–Teller (BET) analysis revealed that higher extract concentrations yielded NPs with reduced crystallite size, narrower bandgaps, and increased surface areas—properties that collectively enhanced their photocatalytic performance. The 5% extract-derived SnO<sub>2</sub> NPs exhibited superior efficiency, degrading 92.5% of methylene blue (MB) within 60 min under UV irradiation, compared to 81.6% by the 3% extract-derived sample. These findings underscore the significance of extract concentration in tailoring NP characteristics, enabling improved environmental applications through enhanced photocatalytic activity.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fabrication of Carbon Quantum Dots From Caesalpinia sappan L. for Antibacterial Applications and Fluorescent Detection of Ciprofloxacin","authors":"Shaoyu Cai, JinJing Zhou, Yifan Wang, Kangli Yan, Kang Luo, Tianbing Guan, Shuchen Pei","doi":"10.1002/slct.202506794","DOIUrl":"10.1002/slct.202506794","url":null,"abstract":"<div>\u0000 \u0000 <p>This study demonstrates a one-step hydrothermal synthesis of carbon quantum dots (CQDs) using <i>Caesalpinia sappan</i> L. as carbon source. The CQDs were characterized with TEM, FT-IR, XPS, and UV–vis. The CQDs exhibit potent, dose-dependent antibacterial activity against <i>S. aureus</i> and <i>E. coli</i> with MICs of 0.33 and 0.22 µg/mL, primarily through electrostatic binding and hydroxyl radical generation. Simultaneously, the CQDs function as a highly selective fluorescent “turn-on” sensor for ciprofloxacin, achieving a low detection limit of 0.039 µmol/L via a mechanism driven by hydrogen bonding and electron transfer. This work presents a cost-effective, eco-friendly multifunctional platform with significant potential for combating bacterial infections and monitoring antibiotic residues in environmental and food safety applications.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemistrySelectPub Date : 2026-04-08DOI: 10.1002/slct.202506771
Biplab Goswami, Sourav Ghoshal, Pranab Sarkar
{"title":"Reactivity of Titanium Oxide Clusters in C2H4 Hydrogenation: Effects of Oxygen Deficiency, Cluster Size, and Pt Doping","authors":"Biplab Goswami, Sourav Ghoshal, Pranab Sarkar","doi":"10.1002/slct.202506771","DOIUrl":"10.1002/slct.202506771","url":null,"abstract":"<div>\u0000 \u0000 <p>The catalytic hydrogenation of ethylene (C<sub>2</sub>H<sub>4</sub>) on unsupported titanium oxide clusters (Ti<sub><i>x</i></sub>O<sub><i>y</i></sub>) was investigated using density functional theory to examine the roles of oxygen deficiency, cluster size, and Pt doping. Oxygen-deficient Ti<sub>3</sub>O<sub>5</sub><sup>+</sup> generate localized <span></span><math></math> centers that enhance H<sub>2</sub> activation and C═C hydrogenation, with Ti<sub>3</sub>O<sub>5</sub><sup>+</sup> showing the lowest intrinsic barrier (2.09 eV). Reactivity improves with cluster size up to Ti<sub>4</sub>O<sub>7</sub><sup>+</sup> and then saturates. Single-atom Pt doping forms a bifunctional Pt–O interface that simplifies the mechanism and significantly lowers barriers. PtTi<sub>3</sub>O<sub>5</sub> follows a cooperative Pt–H/O–H pathway, while PtTi<sub>4</sub>O<sub>7</sub> exhibits a metal-centered route with barriers as low as 0.60–0.81 eV. These results demonstrate that oxygen vacancies and Pt doping effectively tune Ti–O clusters toward noble-metal-like hydrogenation activity.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemistrySelectPub Date : 2026-04-08DOI: 10.1002/slct.202504896
Mainul Islam Mazumder, Md. Sofiul Alom, Tajmeri S. A. Islam
{"title":"Iron-Oxalate Mediated Photocatalytic Degradation of Catechol by α-Fe2O3 Nanoparticles","authors":"Mainul Islam Mazumder, Md. Sofiul Alom, Tajmeri S. A. Islam","doi":"10.1002/slct.202504896","DOIUrl":"10.1002/slct.202504896","url":null,"abstract":"<div>\u0000 \u0000 <p>Water contamination by phenolic compounds poses a serious environmental challenge. Among advanced oxidation processes, semiconductor-mediated photocatalysis using iron oxide nanoparticles offers a promising, sustainable solution. In this study, Fe<sub>2</sub>O<sub>3</sub> nanoparticles were synthesized via a cost-effective method using ferric nitrate and ethylene glycol. The product was characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive x-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FTIR), and diffuse reflectance spectroscopy (DRS). XRD confirmed phase-pure rhombohedral α-Fe<sub>2</sub>O<sub>3</sub>, while SEM showed nearly spherical particles with an average diameter of 164 nm. EDX verified a near-stoichiometric Fe:O atomic ratio, and DRS analysis revealed a direct band gap of 1.9 eV. The photocatalytic activity was evaluated by degrading catechol under UV light in the presence of oxalic acid. Key parameters, including catalyst loading and initial concentrations of catechol and oxalic acid, were systematically optimized. The presence of oxalic acid significantly enhanced degradation via iron-oxalate complexation, which upon UV exposure generated reactive oxygen species (•<span></span><math></math>, •OOH, and •OH). Under optimized conditions (0.30 g/100 mL catalyst, 1 × 10<sup>−3 </sup>M oxalic acid, 1 × 10<sup>−4 </sup>M catechol), 79.22% degradation was achieved in 4 h, outperforming commercial Fe<sub>2</sub>O<sub>3</sub>. These findings highlight α-Fe<sub>2</sub>O<sub>3</sub> nanoparticles as efficient, eco-friendly photocatalysts for removing organic pollutants from water.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683479","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemistrySelectPub Date : 2026-04-08DOI: 10.1002/slct.202506975
Vishwalatha M S, B. K. Sarojini, Avinash Arasidda Kamble, Ashwini Prabhu
{"title":"Biopolymeric Chitosan Nanoparticles for Enhanced Stability and Delivery of Omeprazole Magnesium in Acidic Environment","authors":"Vishwalatha M S, B. K. Sarojini, Avinash Arasidda Kamble, Ashwini Prabhu","doi":"10.1002/slct.202506975","DOIUrl":"10.1002/slct.202506975","url":null,"abstract":"<div>\u0000 \u0000 <p>Chitosan nanoparticles (CSNPs) and chitosan–omeprazole magnesium nanocomposites (CSNCs) were fabricated via ionic gelation to enhance the stability, gastric protection, and therapeutic efficacy of acid-labile omeprazole magnesium (Ome-Mg). The formulation achieved high encapsulation efficiency (97 ± 3.5%), with dynamic light scattering (DLS) showing an average size of 42.92 nm and a zeta potential of −26.7 mV, confirming good colloidal stability. Scanning electron microscopy (SEM) revealed porous, sponge-like particles (∼29 nm, ImageJ), while energy-dispersive X-ray spectroscopy (EDX) confirmed Mg, S, F, and P, validating drug incorporation. Fourier-transform infrared (FTIR) spectra showed characteristic band shifts, indicating hydrogen bonding and electrostatic interactions between chitosan and Ome-Mg. Powder X-ray diffraction (PXRD) revealed reduced crystallinity, while thermogravimetric analysis (TGA) demonstrated enhanced thermal stability compared to the pure drug. In vitro assays showed significant, dose-dependent nitric oxide inhibition in LPS-stimulated RAW 264.7 macrophages, supporting potential in inflammation-associated gastric disorders. Drug release in simulated gastric fluid (pH 1.2) displayed sustained biphasic release, nearing completion within 12 h. Kinetic analysis best fit the Michaelis–Menten model (<i>R</i><sup>2</sup> = 0.9663), indicating diffusion- and erosion-controlled release. These findings highlight CSNCs as a pH-responsive, mucoadhesive nanocarrier for effective oral delivery of Ome-Mg.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemistrySelectPub Date : 2026-04-08DOI: 10.1002/slct.202506925
Swapnil A. Padvi, Yogesh B. Wagh, Kiran S. Dalal, Pratik P. Wagh, Dipak S. Dalal
{"title":"One-Pot Room-Temperature Synthesis of Bicyclic and Tricyclic Ortho-Aminocarbonitriles Catalyzed by [2-HEAF] Ionic Liquid: A Sustainable Approach","authors":"Swapnil A. Padvi, Yogesh B. Wagh, Kiran S. Dalal, Pratik P. Wagh, Dipak S. Dalal","doi":"10.1002/slct.202506925","DOIUrl":"10.1002/slct.202506925","url":null,"abstract":"<div>\u0000 \u0000 <p>A task-specific ionic liquid, 2-hydroxyethylammonium formate [2-HEAF], has been demonstrated as an efficient and sustainable catalyst for the synthesis of bicyclic and tricyclic ortho-aminocarbonitrile derivatives via a four-component condensation reaction under ambient conditions. The reactions proceed smoothly within 40–90 min, affording the desired products in excellent yields (80%–97%). The resulting <i>ortho</i>-aminocarbonitriles are valuable intermediates for the synthesis of natural products, polymers, advanced materials, liquid crystals, ligands, and medicinal agents. A key advantage of this protocol is the use of a mild basic ionic liquid, which effectively regulates the reaction pathway, suppresses side-product formation, and ensures direct and selective transformation. In addition, the method offers operational simplicity, high efficiency, and catalyst recyclability for up to five consecutive cycles without significant loss of activity, making it a cost-effective and environmentally benign approach. Furthermore, a plausible reaction mechanism is proposed to provide insight into the catalytic process, and green metrics analysis has been performed to evaluate the environmental impact and sustainability of the protocol.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683458","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemistrySelectPub Date : 2026-04-08DOI: 10.1002/slct.202503292
Falak Naz, Ahmad Faraz, Muhammad Naeem Khan, Khalid Saeed
{"title":"Visible Light Driven Photodegradation of Antibiotic Using Sodium Barium Stannate Perovskite Structured Photocatalyst","authors":"Falak Naz, Ahmad Faraz, Muhammad Naeem Khan, Khalid Saeed","doi":"10.1002/slct.202503292","DOIUrl":"10.1002/slct.202503292","url":null,"abstract":"<div>\u0000 \u0000 <p>In this study, BaSnO<sub>3</sub> and Na-BaSnO<sub>3</sub> perovskites were fabricated by using the Sol-gel method. The synthesized perovskites were used to photocatalytically degrade Ciprofloxacin (CF) under sunlight irradiation. EDX, FTIR, UV–vis, and XRD analysis was used to study the synthesized perovskites. The optical band gap calculated for BaSnO<sub>3</sub> and Na-BaSnO<sub>3</sub> using Tauc's equation and corresponds to a value of 3.3 and 2.9 eV, respectively. The PZC value of both doped and undoped perovskites was determined to be at pH 7. In the case of Na-BaSnO<sub>3</sub>, the average crystallite size increased from 0.93 to 7.87 nm. Several parameters, including pH effect, catalyst dose, and pollutant concentration at different temperatures (30, 40, 50°C) values were studied to efficiently degrade CF. The result showed that the degradation percentage increased as the concentration of the antibiotic was increased to 5 ppm (18.7%) and was highest at 7 ppm (65.6%). At optimum concentration of 13 and 7 ppm and at photocatalyst dose of 20 and 10 mg for Na-BaSnO<sub>3</sub> and BaSnO<sub>3</sub>, respectively, at Point of Zero charge (PZC) value of 7 and 50°C was 71.6%. Conclusively, Na-BaSnO<sub>3</sub> showed higher degradation of CF compared to BaSnO<sub>3</sub> (57.9%).</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
ChemistrySelectPub Date : 2026-04-07DOI: 10.1002/slct.202505744
Zarsha Nadeem, Sikander Ali, Muhammad Usman Ahmad, Abid Sarwar, Ayaz Ali Khan, Nawal H. Siddig, Maher S. Alwethaynani, Maymounah A. Alrayyani, Fakhria A. Al-Joufi, Aziza Mahdy Nahari, Nouf Ali Asiri, Rewaa S. Jalal
{"title":"Green Synthesis of Copper Nanoparticles Using Stereum ostrea Extract: Optimization, Structural Characterization, and Antimicrobial Activity","authors":"Zarsha Nadeem, Sikander Ali, Muhammad Usman Ahmad, Abid Sarwar, Ayaz Ali Khan, Nawal H. Siddig, Maher S. Alwethaynani, Maymounah A. Alrayyani, Fakhria A. Al-Joufi, Aziza Mahdy Nahari, Nouf Ali Asiri, Rewaa S. Jalal","doi":"10.1002/slct.202505744","DOIUrl":"10.1002/slct.202505744","url":null,"abstract":"<div>\u0000 \u0000 <p>The green synthesis of copper nanoparticles (Cu NPs) using mushroom biomass is an eco-friendly and sustainable alternative to conventional chemical and physical methods. The bioactive compounds in the mushroom biomass act as reducing and stabilizing agents, facilitating the nanoparticle synthesis without the need for toxic reagents. This study explores the biosynthesis of Cu NPs, an aqueous mushroom extract from <i>S</i>. <i>ostrea</i>. The development of a dark ocher color confirmed the formation of SO-Cu (II) NPs. Various parameters were optimized, including concentration of CuSO<sub>4</sub>.5H<sub>2</sub>O, extract level, and procurement period to achieve enhanced nanoparticle yield. The optimal concentration of CuSO<sub>4</sub>.5H<sub>2</sub>O was 1 M, the optimal extract level was 1%, while the procurement period determined was 45 min. The synthesized Cu NPs were characterized using UV–vis spectroscopy, FTIR, XRD, and SEM. UV–vis spectroscopy showed a distinct surface plasmon resonance (SPR) peak in the range of ∼290 nm. SEM showed the structure, FTIR revealed distinct functional groups, and the crystalline nature of myco-synthesized Cu NPs was confirmed by XRD analysis. Concentration-dependent antimicrobial activity was observed, as 10 µL produced better results than 5 µL. This mushroom-mediated synthesis approach aligns with green chemistry principles, offering a low-cost, nontoxic, and scalable method with promising implications in medicine.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683178","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Plant-Mediated Iron Oxide Nanoparticles for Efficient Organic Dye Removal and Antibacterial Action: A Dual-Function Approach","authors":"Alibasha Akbar, Pankaj Sarkar, Manik Barman, Abdur Razzak Mondal, Rumana Parveen, Subhadeep Sen, Deepak Ekka, Quazi Arif Islam, Mihir Ghosh, Rinku Chakrabarty","doi":"10.1002/slct.202504701","DOIUrl":"10.1002/slct.202504701","url":null,"abstract":"<div>\u0000 \u0000 <p>The green procedure has emerged as a promising technique for the synthesis of inorganic nanoparticles because of its eco-friendliness, simplicity, cost-effectiveness, and low toxicity. Taking into account all these unique characteristics, we have introduced the use of aqueous extract of <i>Ananas Comosus and Murraya koenigii</i> at ambient temperature for the preparation of iron oxide nanoparticles. The active organic alkaloid compounds present in the above-mentioned leaves act as reducing as well as capping agents during the synthesis procedure. The synthesized biogenic rhombohedral α-Fe<sub>2</sub>O<sub>3</sub> (Hematite) NPs exhibit remarkable catalytic activity toward the degradation of noxious organic dyes, viz., methylene blue (MB) and methyl orange (MO), and they retain their catalytic activity up to five cycles. MB is degraded within 18 min, while MO becomes colorless within 28 min. The synthesized nanoparticles also exhibit antibacterial activity, which has been checked against <i>E. coli</i> and <i>S. aureus</i> bacterial strains. In a nutshell, this work emphasizes the sustainable approach of using <i>A. Comosus and M. koenigii</i> leaf extracts to synthesize catalytically active iron oxide nanoparticles. Such plant extracts can be used for the preparation of metal and metal oxide nanoparticles for their applications in different important fields, including biological applications.</p>\u0000 </div>","PeriodicalId":146,"journal":{"name":"ChemistrySelect","volume":"11 14","pages":""},"PeriodicalIF":2.0,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147683367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}