Journal of Photochemistry and Photobiology A: Chemistry 356 (2018) 1–6 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem In–situ formation of self-assembled Ag nanoclusters on ct-DNA in the presence of 2-mercaptothioxanthone by using UV–vis light irradiation Eyup Metin, Gonul S. Batibay, Nergis Arsu* Department of Chemistry, Yildiz Technical University, Davutpasa Campus Istanbul 34220, Turkey A R T I C L E I N F O A B S T R A C T Article history: Received 7 November 2017 Self-assembled silver nanoparticles (Ag NPs) on calf thymus DNA (ct-DNA) chains were synthesized in Received in revised form 1 December 2017 the presence of 2-mercaptothioxanthone (TX-SH) by use of UV irradiation technique. Thioxanthone itself Accepted 7 December 2017 and its derivatives show interesting photochemical and biological properties. The formation of Ag NPs on Available online 8 December 2017 the ct-DNA was achieved with and without TX-SH as a thioxanthone derivative photoinitiator which played a photoreducing role for the formation of Ag NPs. Keywords: The photoreducing reaction of Ag ions to Ag NPs was followed by UV–vis absorption spectroscopy. A Silver nanoparticle new band was observed at 428 nm which was a
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Apr 1, 2018
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