Biogenic Ag-ZnO Nanoparticles From <i>Ramalina farinacea</i>: Antimicrobial and Photocatalytic Applications

Erkoc E., KOÇBERBER KILIÇ N., KILIÇ DOKAN F., KOCAKAYA Z.

CHEMISTRYSELECT, cilt.11, sa.19, 2026 (SCI-Expanded, Scopus) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 11 Sayı: 19
  • Basım Tarihi: 2026
  • Doi Numarası: 10.1002/slct.202501327
  • Dergi Adı: CHEMISTRYSELECT
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Chemical Abstracts Core, Academic Search Ultimate (EBSCO)
  • Kayseri Üniversitesi Adresli: Evet

Özet

In this study, biogenic Ag-ZnO nanoparticles from extracts of Ramalina farinacea were investigated. The samples were characterized via UV-Vis, DLS, FE-SEM, STEM, FT-IR, EDX, XRD, and TG/DTA. UV-vis spectroscopy showed that the nanoparticles exhibited light absorption in the 200-400 nm range, while DLS analysis indicated a hydrodynamic diameter of 96.14 nm. FE-SEM and STEM images confirmed that the nanoparticles had spherical shapes; the sizes of the particles varied between 40 and 98 nm. The functional groups in the nanoparticles were analyzed via FT-IR as secondary metabolites. TG/DTA analysis of the NPs revealed that they were thermally stable. The highest antibacterial activity was against B. subtilis ATCC 6633 (25 mm inhibition zone). The maximum antibiofilm activity was 62%. Ag-ZnO NPs [7.5% (v/v)] prevented Gonium sp. growth and chlorophyll production after incubation for 3 days. The highest photocatalytic activity was 69%. The results showed that these particles have potential for use in different biotechnological and nanoremediation applications.