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Articles in refereed journals

  1. Ahmet Ulu, Samir Abbas A.Noma, Ali Kuruçay, Seda Demirel Topel, Meltem Asiltürk, Burhan AteÅŸ, "Design of near-infrared light induced functionalized upconverting nanoparticles as support in enzyme immobilization: Enhanced biocatalyst activity and stability" Int J Bio. Macromol., 2025, Vol: 302, 140581. DOI: 10.1016/j.ijbiomac.2025.140581.

  2. Gamze Dik, Samir Abbas Ali Noma, Ahmet Ulu, Seda Demirel Topel, Meltem Asiltürk Ersoy, Burhan AteÅŸ, Preparation, Characterization of Upconverting Nanoparticles for Uricase Immobilization and Controlled Manipulation of Uricase Activity by Near-Infrared Light, Journal of Luminescence, 2024, 120617, DOI: 10.1016/j.jlumin.2024.120617

  3. Samir Abbas Ali Noma, Gamze Dik, Canbolat Gürses, Ali Kuruçay, Seda Demirel Topel, Ahmet Ulu, Meltem Asiltürk, Burhan AteÅŸ “Near-infrared inducible supports in bio-catalysts design: A useful and versatile tool in enhancement of enzyme activity” Molecular Catalysis, 2024, 560, 114130, DOI: 10.1016/j.mcat.2024.114130

  4. Burhan AteÅŸ, Ahmet Ulu, Meltem Asiltürk, Samir Abbas Ali Noma, Seda Demirel Topel, Gamze Dik, Onural Özhan, BüÅŸra Bakar, Azibe Yıldız, Nigar Vardı, Hakan Parlakpınar, Enhancement of enzyme activity by laser-induced energy propulsion of upconverting nanoparticles under near-infrared light: A comprehensive methodology for in vitro and in vivo applications,
    International Journal of Biological Macromolecules, 2024, 129343, DOI: 10.1016/j.ijbiomac.2024.129343

  5. V. Kyshkarova, D. Marcin Behunova, I. Melnyk and S.Demirel Topel "Shungite/Poly(vinyl alcohol) Hybrid Hydrogels: An Efficient Adsorption Material for Rare Earth Metals in Aqueous Media", J. App. Polymer Sci. 2024, 141, e55001, DOI:10.1002/app.55001.

  6. S. Demirel Topel "Exploring the photocatalytic and photodynamic effects of Bodipy-linked titanium dioxide nanoparticles", Turkish J Chem. 2023, 47,  1407-1419, DOI:10.55730/1300-0527.3623.

  7. A. Mokeddem, S. Benykhlef, A. A. Bendaoudi, N. Boudouaia, H.Mahmoudi, Z. Bengharez, S. Demirel Topel, Ö. Topel "Sodium-Alginate based composite films for effective removal of congo red and coralene dark red 2B dyes: kinetic, isotherm and thermodynamic analysis" Water, 2023, 15(9), 1709; https://doi.org/10.3390/w15091709.

  8. S.Demirel Topel, "Encapsulation of Diiodo-BODIPY in Sodium Dodecyl Sulfate Stabilized Cellulose Acetate Capsules for Enhanced Singlet Oxygen Production in Aqueous Solution", ChemistrySelect, 2023, 8, e202203579, https://doi.org/10.1002/slct.202203579.

  9. O. Kerbouche, M.Ä°.Beyaz, and S. Demirel Topel "Construction of a Miniaturized Monosaccharide Detection System Based on Measuring Electric Current and Testing Its Performance Using a Bodipy Fluorescent Dye" Eng. Proc. 2023, 35(1), 24; https://doi.org/10.3390/IECB2023-14587

  10. S. Demirel Topel, M. I Beyaz “Fluorescence quenching based bodipy-boronic acid linked viologen dual system for potential glucose sensing applications” Sensor review, 2022, DOI: 10.1108/SR-03-2021-0088

  11. S. Demirel Topel, S. Balcioglu, B. Ates, M. Asilturk, O. Topel, M.B. Ericson, Cellulose acetate encapsulated upconversion nanoparticles-A novel theranostic platform, Materials Today Commun, 2021, DOI: 10.1016/j.mtcomm.2020.101829

  12. T. Gurkan Polat, S. Demirel Topel, pH Responsive carboxymethylcellulose conjugated superparamagnetic iron oxide nanocarriers, J. Sci. Pers., 2019, 3, 99-110.

  13. S. Demirel Topel, Ö. Topel, G. Turgut Cin, Fabrication and characterization of TiO2 nanoparticles conjugated luminescence upconversion nanoparticles, Biointerface Res. Appl. Chem. 2018, 8, 3197- 3202.

  14. N. Nohut Maslakcı, E. Eren, S. Demirel Topel, G. Turgut Cin, A. Uygun Oksuz, Electrospun Fibers of Plasma Modified Chitosan/PET/Ferrocenyl Substituted N-Acetyl-2-Pyrazoline Derivatives. J. Applied Polymer Science. 2016, DOI:10.1002/APP.43344

  15. S. Erbas Cakmak, F. Pir Cakmak, S. Demirel Topel, T. B. Uyar, E. U. Akkkaya, Selective photosensitization through an AND logic response: optimization of the pH and glutathione response of activatable photosensitizers. Chem Commun. 2015, 51, 12258.

  16. S. Demirel Topel, Ö. Topel, R.B. BotancıoÄŸlu, A. T. Koparal, Synthesis and characterization of Bodipy functionalized magnetic iron oxide nanoparticles for potential biological applications. Colloids and Surfaces B: Biointerfaces, 2015, 128, 245-53.

  17. E. Polido Legaria, S. Demirel Topel, V. Kessler, G. A. Seisenbaeva, Molecular insights into the selective action of magnetically removable complexone-grafted adsorbent. Dalton Trans. 2015, 44 (3), 1273-82.

  18. S. Demirel Topel, E. Polido Legaria, C. Tiseanu, J. Rocha, V. Kessler, G. A. Seisenbaeva, Hybrid silica nanoparticles for sequestration and luminesence detection of rare earth elements. J. Nanoparticle Research, 2014, 16, 2783-2800.

  19. G. A. Seisenbaeva, S. Demirel Topel, V. Kessler, Molecular single approach to single source precursors of perovskite stanne material., Polyhedron, 2014, 81, 21-26.

  20. S. Demirel Topel, G. Turgut Cin, E. U. Akkaya, Near IR excitation of heavy atom free Bodipy photosensitizers through the intermediacy of upconverting nanoparticles. Chem. Commun, 2014, 50, 8896-8899.

  21. G. Turgut Cin, G. Verep, S. Demirel Topel, V. Ciger, An efficient synthesis of ferrocenyl containing 1,3,4-oxadiazole derivatives via oxidative cyclization reaction. Chemistry of Heterocyclic Comp., 2013, 49 (7), 1061-1067.

  22. B. R. Bostancıoglu, S. Demirel Topel, G. Turgut Cin, T. Koparal, Novel ferrocenyl-containing N-acetyl-2-pyrazolines inhibit in vitro angiogenesis and human lung cancer growth by interfering with F-actin stress fiber polymerization. Drug and Chem. Toxicol., 2013, 36(4), 484-495.

  23. G. Turgut Cin, S. Demirel Topel, A. Cakıcı, A. Ozek Yıldırım, A. Karadağ, Synthesis, crystal structure and thermal properties of N-acetyl-3-(2-furyl)-5-ferrocenyl-2- pyrazoline and N-acetyl-3- (2-thienyl)-5-ferrocenyl-2-pyrazoline. J. Chem. Crystallogr. 2012, 42, 372-380.

  24. G. Turgut Cin, S. Demirel, A. Çakıcı, Synthesis of Novel Ferrocenyl-Containing Pyrazolo[4,3- c]quinolines via Modified Pictet-Spengler Reaction. J. Organomet. Chem, 2011, 696, 613-621.

  25. G. Turgut Cin, S. Demirel, N. Karadayı, and O. Büyükgüngör, 1-Acetyl-5-ferrocenyl-3-pheny)-2-pyrazoline. Acta Crystallographica Section E 2009; E64,m127.

  26. G. Turgut Cin, S. Demirel, N. Karadayı, and O. Büyükgüngör, 1-Acetyl-3-ferrocenyl-5-(2- nitrophenyl)-2-pyrazoline. Acta Cryst. Sec.E; 2008; E64, m514.

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PROCEEDINGS OF INTERNATIONAL CONFERENCES/SYMPOSIUMS

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  1. B. Yonca, M. Fakir, O. Alp, P.Tatar, M.F. Aslan, S.Demirel Topel "Flexible Supercapacitosfor Energy Storage: A Study of Their Design and Fabrication"1st International/3rd National Nanotechnology and Polymer Days, Poster Presentation, Süleyman Demirel University, Isparta, Turkey, June 25-27, 2025.

  2. Yavuz, T.; Demirel Topel, S.; Aslan, M. Development of a Capacitive Pressure Sensor Integrated into Contact Lenses for Glaucoma Monitoring, in Proceedings of the 5th International Electronic Conference on Biosensors, Online, 26–28 May 2025, MDPI: Basel, Switzerland.

  3. B. Yonca, M. Fakir, O. Alp, M.F. Aslan, A. Çakıcı, S.Demirel Topel "Dual-Functional Carboxymethyl Cellulose/Carbon Dot Hydrogels for Efficient Adsorption and Optical Detection of Fe3+ Ions in Aqueous Media", 5th Anatolian Conference on Organic Chemistry, Antalya, Feb 3-5, 2025.

  4. T. Tongur, A. Wittmar, M. Ulbricht, S. Demirel Topel "Functional organosilanes-modified silica nanosorbents for the removal of rare earth ions from aqueous solution and investigations on their adsorption" 18th Nanoscience and Nanotechnology Conference (NanoTR18), 26-28 August, 2024, pp: 105.

  5. ​M. F. Aslan, C. Özbek, G. YiÄŸit, M. Tosun, S. Demirel Topel , “Development of a flexible piezoelectric biosensor that integrates BaTiO3-Poly(Dimethylsiloxane) for posture correction applications” Eng. Proc. May 20-22, 2024, 73(1) 2, published proceedings in MDPI, https://doi.org/10.3390/engproc2024073002

  6. B. Göç, F. M. Sahin, F. Kostak, S. PehlivanoÄŸlu, S. Demirel Topel " Bodipy-integrated PVA-Chitosan hydrogels and investigation its photodynamic effect on melanoma cancer cells" Poster presentation, 4th Anatolian Conference on Organic Chemistry, 4-7 March 2024, p:123-124, Antalya, Turkey.

  7. B. Göç, B. Yonca, T. E. Yavuz, S. Demirel Topel "Synthesis of shungite included PVA-PVP hydrogels and exploring their conductivity behaviours" Poster presentation, 4th Anatolian Conference on Organic Chemistry, 4-7 March 2024, p:123-124, Antalya, Turkey.

  8. S.Demirel Topel "Investigating Singlet Oxygen Generation in Titanium Dioxide Nanoparticles Decorated with 2,6-Diiodo-Boron-Dipyrromethene Molecules" Oral presentation, 5th Eurosia Biochemical Approaches & Technologies (5.EBAT), 2-5 November, 2023, Antalya, Turkey.

  9. B. Göç, S. Demirel Topel, N. Kiraz, D. Yanık "Boric acid loaded Carboxymethylcellulose/N-succinyl chitosan hydrogels: Investigation of their contact angle on teeth surfaces and boron delivery in physiological media", 5th Eurosia Biochemical Approaches & Technologies (5.EBAT), 2-5 November, 2023, Antalya, Turkey.

  10. S. Demirel Topel “Bodipy-Included Polymeric Nanocapsules as Singlet Oxygen Generators: Investigating Their Photodynamic Actions”, Oral Presentation, 17th Nanoscience and Nanotechnology Conference (NanoTR17), 27-29 August, 2023, pp: 119.

  11. B. Göç, N. Kiraz, S. Demirel Topel, D. Yanık, “Root Canal Irrigation Agents Integrated Polyvinyl alcohol /Chitosan Hydrogels and Their Physical Characteristics”, Poster Presentation, 17th Nanoscience and Nanotechnology Conference (NanoTR17), Ä°zmir, Turkey, 27-29 August, 2023, pp: 255.

  12. B.Göç and S. Demirel Topel, “Fabrication Of Shungite Enriched Ag/Cu Nano catalyts Integrated to Catalytic Converters and Investigation of Their Efficiencies”, Poster Presentation, 17th Nanoscience and Nanotechnology Conference (NanoTR17),  Ä°zmir, Turkey, 27-29 August, 2023, pp: 269.

  13. S. Demirel Topel and O. Kerbouche, “Exploring the Interaction Between Boronic Acid Conjugated Viologen and Bodipy and Its Utilization on Monosaccharides Detection”, Oral Presentation, 3rd Anatolian Conference on Organic Chemistry, 13-16 March 2023, pp:31.

  14. O. Kerbouche and S. Demirel Topel, Galactose detection using a non-invasive technique based on a fluorescent optical detection system“3rd Anatolian Conference on Organic Chemistry, 13-16 March 2023, pp:95.

  15. S. Demirel Topel, Kyshkarova Viktoriia, Melnyk Inna, An organic based hybrid hydrogel: its preparation method, structural investigation, and lanthanum uptake. In proceeding of Ege Conferences, 20-22th December, 2022. 

  16. Kyshkarova Viktoriia ,Melnyk Inna, Topel Seda Demirel. “Photocatalytic degradation of bodipy dye with a shungite-based PVA hydrogel under UV-light irradiation”. In Proceeding of Academic World International Conference: Antalya, Turkey, 7th – 8th April, 2022. Ed.: Dr. P. Suresh M.E, Ph.D. - Antalya, Turkey: Institute for Technology and Research (ITRESEARCH), April 2022, p. 1-4. ISBN 978-93-90150-32-8.

  17. F. Kostak, O.Kerbouche, S.Pehlivanoglu, and S.Demirel Topel “ Bodipy Photosensitizer Linked Hybrid Nanomaterials for Photodynamic Therapy”, 10th Advanced Nanomaterials Congress, Oral Presentation, Oct. 24-27, 2021, Sweden.

  18. S. Demirel Topel “Enhancing the stability of nano-theranostics systems”, 5th International Conference on Nanomedicine and Nanotechnology, Oral Presentation, April 09, 2021, UK.

  19. S. Demirel Topel “Optimization of hydrothermal synthesis of Ce3+ doped NaYF4, Yb3+, Er3+ upconversion nanoparticles and investigation of their size, morphology, and phase transitions, 5th International Conference on Engineering and Natural Sciences, ICENS, page:6, June 12-16, 2019, Prague, Czech Republic.

  20. S. Demirel Topel, Ö.Topel, G.Turgut Cin, “Fabrication and characterization of TiO2 nanoparticles conjugated to Ce3+ co-doped NaYF4, Yb3+, Er3+ luminescence upconversion nanoparticles”, International advances in applied physics and material science congress (APMAS), 144, 22-26 April 2017, MuÄŸla-Turkey.

  21. G.Turgut Cin, S. Demirel Topel, N.Nohut, E.Eren, A.Uygun Oksuz, “Plasma Modified Chitosan/N-Acetyl-2-Pyrazoline Derivative Nanofibers”, IEEE International Conference on Plasma Sciences (ICOPS), pp: 567, 24-28 Mayıs 2015, Belek, Antalya, Turkey.

  22. S. Demirel Topel, Önder Topel, Engin U. Akkaya. “BODIPY-Conjugated Magnetic Nanoparticles for Bioimaging Applications” E-MRS 2012, page: H29, 17-21 Sept 2012, Warsaw, Poland.

  23. Gulcan Verep, S. Demirel Topel, Velican Ciger, Gunseli Turgut Cin. Efficient synthesis and characterization of novel ferrocene-containing 1,3,4- oxadiazole derivative. 13th Tetrahedron Symposium, Page: P3.104, 26-29 June, 2012, Amsterdam, Netherland.

  24. S. Demirel Topel, Marta Vico Solano, Carlos Solano Arribas, Olov Sterner. “Design, synthesis and characterization of 9-bromo-2-p tolyl-[1,2,4]triazolo[4,3 c]quinazoline-3,5(2h-6h)-dione” 7th Eurosian Meeting On Heterocyclic Chemistry,pp: 43, 17-21 Haziran 2012, BoÄŸaziçi University, Ä°stanbul

  25. S. Demirel Topel, Marta Vico Solano, Carlos Solano Arribas, Olov Sterner “Synthesis of novel triazoloquinazolinedione derivatives using Pd-catalyzed Negishi cross- coupling reaction”. 7th Eurosian Meeting On Heterocyclic Chemistry, Page: 43, 17-21 Haziran 2012, BoÄŸaziçi University, Ä°stanbul, Turkey.

  26. S. Demirel, Abban Cakıcı, Gunseli Turgut Cin. “Synthesis of biological active ferrocenyl substituted pirazolo[4,3-c]quinolones” IMMPC-ISPC Meeting, Page: 53, 30 Sept-2 Oct 2010, Hacettepe Üniversitesi, Ankara.

 

PATENTS (APPROVED/PENDINGS)

  1. S. Demirel Topel "Ein Shungit-Basiertes Hydrogel Zur Entfernung Von Seltenen Erden Aus Einem Wässrigen Medium Und Dessen Herstellungsverfahren" DE112022006412T5; WO2022260623A1.

  2. B. AteÅŸ, M. Asiltürk, H. Parlakpınar, N. Vardı, S. Demirel Topel, A. Ulu, G. Dik, S. A.A. Noma, “Development Of Enzyme Carrier Systems with Activity Triggered By Near Infrared Light (NIR)” TR2021011319A2; WO2023287372A1

  3. S. Demirel Topel, S. Okuyucu, M. Saglık, M.H. Ugurlu, “A Shungite Based Thin Film Polymer For Electromagnetic Field Protection And Its Production Method”, WO2023069031A1

  4. E. Özbay, S. Demirel Topel, E. Arslan, “Nanoparçacık Ä°çeren Yüksek Kapasitanslı Kapasitör Kapasitor Yapısı Ve Bunun Üretim Yöntemi”, TR201921981A2

  5. S. Demirel Topel, “A Shungite Based Hydrogel To Remove Rare Earth Elements From An Aqueous Media And It's Preparation Method”, WO2022260623A1

  6. S. Demirel Topel, A.D. Özer, “Etiketler Ä°çin Yüksek Enerji DönüÅŸtürücü Nanoparçacık Katkılı Akrilik-Su Veya Solvent Bazlı Boyar Madde Ve Üretim Yöntemi”, TR201814950A2

  7. S. Demirel Topel, A.D. Özer, “Yüksek Enerji DönüÅŸtürücü Nanoparçacık Katkılı Patlayıcı Madde”, TR201811593A2

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