Browsing by Author "Uyar, Tamer"
Now showing items 1-20 of 199
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Amidoxime functionalized Polymers of Intrinsic Microporosity (PIM-1) electrospun ultrafine fibers for rapid removal of uranyl ions from water
Satılmış, Berk; Işık, T.; Demir, M. M.; Uyar, Tamer (Elsevier, 2018)The Polymers of Intrinsic Microporosity (PIM-1) is considered as one of the most promising polymer candidates for adsorption applications owing to its high surface area and the ability to tailor the functionality for ... -
Amine modified electrospun PIM-1 ultrafine fibers for an efficient removal of methyl orange from an aqueous system
Satılmış, B.; Uyar, Tamer (Elsevier, 2018)Polymers of Intrinsic Microporosity (PIM-1) is a promising material for adsorption and separation applications. While PIM-1 displays high affinity for neutral species, it shows lack of interaction with charged molecules ... -
Amorphous to tetragonal zirconia anostructures and evolution of valence and core regions
Vempati S.; Kayaci-Senirmak, F.; Ozgit-Akgun, C.; Bıyıklı, Necmi; Uyar, Tamer (American Chemical Society, 2015)In this report, we study the evolution of valence band (VB) structure during a controlled amorphous to tetragonal transformation of ZrO2 core-shell nanostructures fabricated from electrospun nanofiber template (at 130, ... -
Antibacterial electrospun nanofibers from triclosan/cyclodextrin inclusion complexes
Celebioglu A.; Umu, O. C. O.; Tekinay, T.; Uyar, Tamer (Elsevier, 2014)The electrospinning of nanofibers (NF) from cyclodextrin inclusion complexes (CD-IC) with an antibacterial agent (triclosan) was achieved without using any carrier polymeric matrix. Polymer-free triclosan/CD-IC NF were ... -
Antibacterial electrospun zein nanofibrous web encapsulating thymol/cyclodextrin-inclusion complex for food packaging
Aytac Z.; Ipek, S.; Durgun, Engin; Tekinay, T.; Uyar, Tamer (Elsevier, 2017-10)Thymol (THY)/γ-Cyclodextrin(γ-CD) inclusion complex (IC) encapsulated electrospun zein nanofibrous webs (zein-THY/γ-CD-IC-NF) were fabricated as a food packaging material. The formation of THY/γ-CD-IC (1:1 and 2:1) was ... -
Antioxidant activity and photostability of α-tocopherol/β-cyclodextrin inclusion complex encapsulated electrospun polycaprolactone nanofibers
Aytaç, Zeynep; Uyar, Tamer (Elsevier, 2016-06)Cyclodextrin inclusion complexes (CD-ICs) can be encapsulated into electrospun nanofibers in order to achieve delivery systems having high surface area and highly porous nanofibrous structures. In this study, a well-known ... -
Antioxidant electrospun zein nanofibrous web encapsulating quercetin/cyclodextrin inclusion complex
Aytaç, Zeynep; İpek, S.; Durgun, Engin; Uyar, Tamer (Springer, 2018)Quercetin/gamma-cyclodextrin inclusion complex (quercetin/γ-CD-IC)-encapsulated electrospun zein nanofibers were designed as a quick and an efficient antioxidant nanofibrous material via electrospinning. Structural and ... -
Antioxidant vitamin E/cyclodextrin inclusion complex electrospun nanofibers: enhanced water solubility, prolonged shelf life, and photostability of vitamin E
Çelebioğlu, Aslı; Uyar, Tamer (American Chemical Society, 2017)Here, we demonstrated the electrospinning of polymer-free nanofibrous webs from inclusion complex (IC) between hydroxypropyl-β-cyclodextrin (HPβCD) and Vitamin E (Vitamin E/HPβCD-IC NF). The inclusion complexation between ... -
Antioxidant α-tocopherol/γ-cyclodextrin–inclusion complex encapsulated poly(lactic acid) electrospun nanofibrous web for food packaging
Aytac, Z.; Keskin, N. O. S.; Tekinay, T.; Uyar, Tamer (John Wiley and Sons Inc., 2017-01)α-Tocopherol (α-TC) and α-TC/cyclodextrin (CD)–inclusion complex (IC) incorporated electrospun poly(lactic acid) (PLA) nanofibers (NF) were developed via electrospinning (PLA/α-TC–NF and PLA/α-TC/γ-CD–IC–NF). The release ... -
Applications of core-shell nanofibers: Drug and biomolecules release and gene therapy
Aytaç, Zeynep; Uyar, Tamer (Elsevier, 2018) -
Associative behaviour and effect of functional groups on the fluorescence of graphene oxide
Özcan, Şefika; Vempati, Sesha; Çırpan, A.; Uyar, Tamer (Royal Society of Chemistry, 2018)We have juxtaposed the structural, vibrational and emission properties of graphene oxide (GO) with various degrees of reduction with and without a model dispersant, unveiling a strong associative behavior between GO sheets ... -
Atomic layer deposition of Co3O4 nanocrystals on N-doped electrospun carbon nanofibers for oxygen reduction and oxygen evolution reactions
Khalily, Mohammad Aref; Patil, Bhushan; Yılmaz, Eda; Uyar, Tamer (Royal Society of Chemistry, 2019)The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are considered as the two crucial reactions in key renewable-energy technologies including fuel cells and water splitting. Despite promising research ... -
Atomic layer deposition of functional III-Nitride thin films & nano-structures
Bıyıklı, N.; Ozgit-Akgun, C.; Dönmez, İ.; Kayacı, F.; Uyar, Tamer (2012) -
Atomic layer deposition of NiOOH/Ni(OH) 2 on PIM-1-based N-Doped carbon nanofibers for electrochemical water splitting in alkaline medium
Patil, Bhushan; Satılmış, Bekir; Khalily, Mohammad Aref; Uyar, Tamer (Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim, 2019)Portable and flexible energy devices demand lightweight and highly efficient catalytic materials for use in energy devices. An efficient water splitting electrocatalyst is considered an ideal future energy source. Well‐aligned ... -
Atomic layer deposition of palladium nanoparticles on a functional electrospun poly-cyclodextrin nanoweb as a flexible and reusable heterogeneous nanocatalyst for the reduction of nitroaromatic compounds
Topuz, Fuat; Uyar, Tamer (Royal Society of Chemistry, 2019-09)We here show a rational approach for the fabrication of a flexible, insoluble catalytic electrospun nanoweb of cross-linked cyclodextrin (CD) for the reduction of nitroaromatics. CD nanofibers were produced by electrospinning ... -
Atomic layer deposition of Pd nanoparticles on N-Doped electrospun carbon nanofibers: optimization of ORR activity of Pd-Based nanocatalysts by tuning their nanoparticle size and loading
Khalily, Mohammad Aref; Patil, Bhushan; Yılmaz, Eda; Uyar, Tamer (Wiley-VCHVerlagGmbH& Co. KGaA,Weinheim, 2019)Optimization of size, loading and chemical composition of catalytic nanoparticles is a crucial step to achieve cost‐effective and efficient (electro) catalysts. This report elaborates optimization of palladium (Pd) ... -
Atomic layer deposition of ruthenium nanoparticles on electrospun carbon nanofibers: a highly efficient nanocatalyst for the hydrolytic dehydrogenation of methylamine borane
Khalily, Mohammad Aref; Yurderi, M.; Haider, Ali; Bulut, A.; Patil, Bhushan; Zahmakiran, M.; Uyar, Tamer (American Chemical Society, 2018)We report the fabrication of a novel and highly active nanocatalyst system comprising electrospun carbon nanofiber (CNF)-supported ruthenium nanoparticles (NPs) (Ru@CNF), which can reproducibly be prepared by the ozone-assisted ... -
Bacteria encapsulated electrospun nanofibrous webs for remediation of methylene blue dye in water
Sarioglu O.F.; Keskin, N. O. S.; Celebioglu A.; Tekinay, T.; Uyar, Tamer (Elsevier, 2017-04)In this study, preparation and application of novel biocomposite materials that were produced by encapsulation of bacterial cells within electrospun nanofibrous webs are described. A commercial strain of Pseudomonas ... -
Bacteria immobilized electrospun polycaprolactone and polylactic acid fibrous webs for remediation of textile dyes in water
Sarioglu O.F.; S. Keskin, N. O.; Celebioglu A.; Tekinay, T.; Uyar, Tamer (Elsevier, 2017-10)In this study, preparation and application of novel biocomposite materials for textile dye removal which are produced by immobilization of specific bacteria onto electrospun nanofibrous webs are presented. A textile dye ... -
Bacteria-immobilized electrospun fibrous polymeric webs for hexavalent chromium remediation in water
Sarioglu, O.F.; Celebioglu A.; Tekinay, T.; Uyar, Tamer (Springer Berlin Heidelberg, 2016)The development of hexavalent chromium remediating fibrous biocomposite mats through the immobilization of a hexavalent chromium reducing bacterial strain, Morganella morganiiSTB5, on the surfaces of electrospun polystyrene ...