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Bodipy photosensitizer linked hybrid nanomaterials for photodynamic therapy
Kostak, Feyza; Kerbouche, Omar; Pehlivanoglu, Suray; Demirel Topel, Seda (Advanced Nanomaterials Congress, 2021)Photodynamic therapy (PDT) is an alternative clinically approved treatment method to obliterate the cancerous lesion by producing reactive oxygen species (ROS) via activated photosensitizer (PS) molecule at a certain ... -
Cellulose acetate encapsulated upconversion nanoparticles – a novel theranostic platform
Demirel Topel, Seda; Balcioglu, Sevgi; Ateş, Burhan; Asilturk, Meltem; Topel, Önder; Ericson, Marica B. (Materials Today Communications, 2021)Luminescent upconversion nanoparticles (UCNPs) are of great interest in a wide range of nanotechnological applications, particularly in the biomedical area like imaging and therapy but their biocompatibility and stability ... -
Enhancing the stability of nanotheranostic systems
Demirel Topel, Seda (5th International Conference on Nanomedicine and Nanotechnology, 2021)Theranostics is new term which defined as a combination of therapy and diagnosis to establish a targeted drug delivery and monitoring of treatment into a single nanosystem. The most important parameter in the theranostic ... -
Fabrication and characterization of TiO2 nanoparticles conjugated luminescence upconversion nanoparticles
Demirel Topel, Seda; Topel, Önder; Turgut Cin, Günseli (Open Access Journal, 2018)TiO2 nanoparticles conjugated luminescence upconversion (TiO2-UC) nanocomposites have been fabricated by covalently linking of carboxyl-functionalized TiO2 and amino-functionalized NaYF4:Yb3+,Er3+,Ce3+ upconversion ... -
Fluorescence quenching-based bodipy-boronic acid linked viologen dual system for potential glucose sensing applications
Demirel Topel, Seda; Beyaz, Mustafa İlker (Sensor Review, 2022)Purpose – The purpose of this study is to develop a non-enzymatic based glucose-sensing platform composed of Bodipy-BBV dual system which can be monitored by a photodetector under the blue LED excitation. Design/method ... -
Multifunctional magnetic nanocarrier: synthesis, characterization and pH-responsive doxorubicin release profile
Demirel Topel, Seda (2019)In this study, carboxymethyl cellulose (CMC) functionalized superparamagnetic iron oxide nanoparticles (SPIONs) have been synthesized as a novel theranostic platform which enables magnetic resonance (MR) imaging-guided and ... -
Optimization of hydrothermal synthesis of Ce3+ co-doped NaYF4, Yb3+, Er3+upconversion nanoparticles and investigation of their size, morphology, and phase transitions.
Demirel Topel, Seda (ICENS, 2019)In this study, the synthesis of water-soluble polyethyleneimine (PEI) modified UCNPs which were prepared by a hydrothermal method have been reported. The resultant UCNPs were small size and hexagonal β-phase structure ... -
pH-responsive carboxymethyl cellulose conjugated superparamagnetic iron oxide nanocarriers
Gürkan Polat, Tülin; Demirel Topel, Seda (Journal of Scientific Perspectives, 2019)In the present study, polyethyleneimine (PEI) coated superparamagnetic iron oxide nanoparticles (SPIONs) having the size of 15 nm in diameter with high magnetic saturation (60 emu/g) have been prepared by co-precipitation ... -
Photocatalytic degradation of bodipy dye with a shungite based PVA hydrogel under UV-light irradiation
Kyshkarova, Viktoriia; Melnyk, Inna; Demirel Topel, Seda (Proceedings of Academics World International Conference, 2022)The contamination of water with dyes is a critical problem for the environment and a great deal of research is invested to produce the novel adsorbent composites with high adsorption capacity and at the same time gaining ...