Improvement in performance of g-C3N4 nanosheets blended PES ultrafiltration membranes including biological properties

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dc.authoridOZAY, Yasin/0000-0001-5419-6115
dc.authoridOcakoglu, Kasim/0000-0003-2807-0425
dc.contributor.authorSert, Buse
dc.contributor.authorOzay, Yasin
dc.contributor.authorHarputlu, Ersan
dc.contributor.authorOzdemir, Sadin
dc.contributor.authorYalcin, M. Serkan
dc.contributor.authorOcakoglu, Kasim
dc.contributor.authorDizge, Nadir
dc.date.accessioned2025-03-17T12:27:24Z
dc.date.available2025-03-17T12:27:24Z
dc.date.issued2021
dc.departmentTarsus Üniversitesi
dc.description.abstractThis study aims to investigate the modification of polyethersulphone (PES) membrane with graphitic carbon nitride (g-C3N4) nanosheets for improving the antifouling and separation performance. The nanocomposite membranes were fabricated with blending of different g-C3N4 nanosheets (0.50, 1.00, and 2.00 wt%) into PES and they were synthesized by the phase inversion method. The fabricated g-C3N4 nanosheets and composite membranes were analyzed for their morphology. Scanning electron microscopy (SEM) with Energy Dispersive X-Ray Analysis (EDX) mapping were used to detect the distribution of g-C3N4 nanosheets on membrane surface, whereas surface roughness of membrane was evaluated by atomic force microscopy (AFM). The composite membrane surface was found to be hydrophilic (67.54 degrees), while the water flux of the composite membrane was found to be 254.8 L/m(2)/h for 2.00 wt% g-C3N4/PES membrane. The bovine serum albumin (BSA) separation tests indicated that the composite membrane supplied 98.5% BSA rejection ratio. Moreover, a significant improvement in antifouling characteristics were verified from BSA filtration experiments. g-C3N4 was also investigated for some of its biological properties such as antioxidant, antimicrobial, DNA cleavage, biofilm inhibition, and bacterial viability effect. g-C3N4 showed good free radical scavenging activity and moderate chelating activity at 500 mg/L. It was also determined that single-strand DNA cleavage activities occurred at all tested concentrations. g-C3N4 exhibited significant antibiofilm activity and inhibitory effects on E. coli vitality as 90.9%, 97.1%, and 98.9% at 250, 500, and 1000 mg/L, respectively. This study provides a simple and useful guideline to create a UF membrane resistant against organic fouling and expand its practical applications for wastewater treatment.
dc.identifier.doi10.1016/j.colsurfa.2021.126571
dc.identifier.issn0927-7757
dc.identifier.issn1873-4359
dc.identifier.scopus2-s2.0-85107679558
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.colsurfa.2021.126571
dc.identifier.urihttps://hdl.handle.net/20.500.13099/2221
dc.identifier.volume623
dc.identifier.wosWOS:000669711900001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofColloids and Surfaces A-Physicochemical and Engineering Aspects
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250316
dc.subjectG-C3N4
dc.subjectUltrafiltration nanocomposite membrane
dc.subjectAntimicrobial
dc.subjectBiofilm inhibition
dc.subjectDNA cleavage
dc.titleImprovement in performance of g-C3N4 nanosheets blended PES ultrafiltration membranes including biological properties
dc.typeArticle

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