{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T18:07:01Z","timestamp":1785434821789,"version":"3.56.0"},"reference-count":50,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T00:00:00Z","timestamp":1775779200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100018987","name":"Ministry of Research, Innovation, and Digitization","doi-asserted-by":"crossref","award":["PN\u2013IV\u2013P7\u20137.1\u2013PED\u20132024\u20130838"],"award-info":[{"award-number":["PN\u2013IV\u2013P7\u20137.1\u2013PED\u20132024\u20130838"]}],"id":[{"id":"10.13039\/100018987","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100018987","name":"Ministry of Research, Innovation, and Digitization","doi-asserted-by":"crossref","award":["PN 23.06.01.01"],"award-info":[{"award-number":["PN 23.06.01.01"]}],"id":[{"id":"10.13039\/100018987","id-type":"DOI","asserted-by":"crossref"}]},{"award":["PN\u2013IV\u2013P7\u20137.1\u2013PED\u20132024\u20130838"],"award-info":[{"award-number":["PN\u2013IV\u2013P7\u20137.1\u2013PED\u20132024\u20130838"]}],"id":[{"id":"https:\/\/ror.org\/004f1q697","id-type":"ROR","asserted-by":"publisher"}]},{"award":["PN 23.06.01.01"],"award-info":[{"award-number":["PN 23.06.01.01"]}],"id":[{"id":"https:\/\/ror.org\/004f1q697","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Gels"],"abstract":"<jats:p>Selenium nanoparticles (SeNPs) represent promising bioactive agents due to their reduced toxicity and multifunctional biological properties. In this study, SeNPs were synthesized via an eco-friendly phytosynthesis approach using Curcuma longa extract, yielding curcumin-functionalized selenium nanoparticles (cur\u2013SeNPs). The composites (cur\u2013SeNPs), either in native extract form or isolated, were incorporated into siloxane hybrid matrices prepared by the sol\u2013gel method from tetraethyl orthosilicate: dimethyldimethoxysilane precursors, with polyvinylpyrrolidone (PVP) as a structural modifier. The host matrices were differentiated by the ratios between the precursors of the siloxane network, 3:1 for CS0\u2013CS4, respectively, 1:1 for CS5, modified with PVP in the case of CS2 and CS3. These were loaded with cur\u2013SeNPs\u2013T in the cases of CS1, CS2, CS5 or with cur\u2013SeNPs for CS3 and CS4. FTIR, XRD, SEM, and EDX analyses confirmed the formation of amorphous siloxane networks with well-dispersed SeNPs (up to ~12 wt%). PVP incorporation generated ordered mesoporous structures, increasing total pore volume sixfold and enlarging the average pore diameter to 9.26 nm. Studies about selenium ion release demonstrate that mesoporosity significantly enhances diffusion-controlled release. Antimicrobial assays against Staphylococcus aureus, Escherichia coli, and Candida albicans reveal a synergistic effect between curcuminoids and SeNPs, particularly in matrices with higher nanoparticle loading. The sol\u2013gel technique for obtaining hybrid materials is very versatile regarding the supports on which the resulting materials or the compounds hosted in these host networks can be deposited. The dynamics of the development of hybrid materials is also reflected in the multitude of applications in various fields such as bio-medical, electronics, agriculture or food. Results obtained in this work highlight the potential of the developed systems for antimicrobial coatings on glass substrates and targeted delivery applications.<\/jats:p>","DOI":"10.3390\/gels12040322","type":"journal-article","created":{"date-parts":[[2026,4,10]],"date-time":"2026-04-10T10:20:16Z","timestamp":1775816416000},"page":"322","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Curcumin\u2013Selenium Nanocomposites Integrated into Sol\u2013Gel Siloxane Matrices for Antimicrobial and Delivery Applications"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9801-8097","authenticated-orcid":false,"given":"Florentina Monica","family":"Raduly","sequence":"first","affiliation":[{"name":"National Institute for Research & Development in Chemistry and Petrochemistry\u2014ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7708-4420","authenticated-orcid":false,"given":"Valentin","family":"Raditoiu","sequence":"additional","affiliation":[{"name":"National Institute for Research & Development in Chemistry and Petrochemistry\u2014ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alina","family":"Raditoiu","sequence":"additional","affiliation":[{"name":"National Institute for Research & Development in Chemistry and Petrochemistry\u2014ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6178-1651","authenticated-orcid":false,"given":"Iuliana","family":"Raut","sequence":"additional","affiliation":[{"name":"National Institute for Research & Development in Chemistry and Petrochemistry\u2014ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6232-886X","authenticated-orcid":false,"given":"Adriana","family":"Frone","sequence":"additional","affiliation":[{"name":"National Institute for Research & Development in Chemistry and Petrochemistry\u2014ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4224-9157","authenticated-orcid":false,"given":"Radu Claudiu","family":"Fierascu","sequence":"additional","affiliation":[{"name":"National Institute for Research & Development in Chemistry and Petrochemistry\u2014ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania"},{"name":"Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 1\u20137 Gh. Polizu Street, 011061 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1278-9518","authenticated-orcid":false,"given":"Cristian-Andi","family":"Nicolae","sequence":"additional","affiliation":[{"name":"National Institute for Research & Development in Chemistry and Petrochemistry\u2014ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,10]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1016\/S0985-0562(05)80040-8","article-title":"Oligo-\u00e9l\u00e9ments, vitamines et immunit\u00e9","volume":"7","author":"Zazzo","year":"1993","journal-title":"Nutr. Clin. 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