Yazar "AGÜ, Mühendislik Fakültesi, Malzeme Bilimi ve Nanoteknoloji Mühendisliği Bölümü" için WoS İndeksli Yayınlar Koleksiyonu listeleme
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One-pot conjugated linoleic acid production from castor oil by Rhizopus oryzae lipase and resting cells of Lactobacillus plantarum
Khaskheli, Abid Ali; Talpur, Farah Naz; Aydin, Aysun Cebeci; Jawaid, Sana; Surhio, Muhammad Ali; Afridi, Hassan Imran (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2017)Conjugated linoleic acid (CLA) has attracted as novel type of fatty acids having unusual health-promoting properties such as anticarcinogenic and antiobesitic effects. The present work employed castor oil as substrate for ... -
Optical Gain in Ultrathin Self-Assembled Bi-Layers of Colloidal Quantum Wells Enabled by the Mode Confinement in their High-Index Dielectric Waveguides
Foroutan-Barenji, Sina; Erdem, Onur; Gheshlaghi, Negar; Altintas, Yemliha; Demir, Hilmi Volkan (WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY, 2020)This study demonstrates an ultra-thin colloidal gain medium consisting of bi-layers of colloidal quantum wells (CQWs) with a total film thickness of 14 nm integrated with high-index dielectrics. To achieve optical gain ... -
Optical Properties in a ZnS/CdS/ZnS Core/Shell/Shell Spherical Quantum Dot: Electric and Magnetic Field and Donor Impurity Effects
Sahin, Mehmet; Toscano-Negrette, Rafael G.; Leon-Gonzalez, Jose C.; Vinasco, Juan A.; Morales, A. L.; Koc, Fatih; Kavruk, Ahmet Emre; Mora-Ramos, M. E; Sierra-Ortega, Jose; Martinez-Orozco, J. C.; Restrepo, R. L; Duque, C. A. (MDPI, 2023)A theoretical analysis of optical properties in a ZnS/CdS/ZnS core/shell/shell spherical quantum dot was carried out within the effective mass approximation. The corresponding Schrödinger equation was solved using the ... -
Optimisation of the reaction conditions for the production of cross-linked starch with high resistant starch content
Kahraman, Kevser; Koksel, Hamit; Ng, Perry K. W. (ELSEVIER SCI LTD, 2015)The optimum reaction conditions (temperature and pH) for the preparation of cross-linked (CL) corn and wheat starches with maximum resistant starch (RS) content were investigated by using response surface methodology ... -
Optimization of resistant starch formation from high amylose corn starch by microwave irradiation treatments and characterization of starch preparations
Mutlu, Selime; Kahraman, Keyser; Ozturk, Serpil (ELSEVIERRADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2017)The effects of microwave irradiation on resistant starch (RS) formation and functional properties in high-amylose corn starch, Hylon VII, by applying microwave-storing cycles and drying processes were investigated. The ... -
Perfluoroalkyl-Functionalized Thiazole Thiophene Oligomers as N-Channel Semiconductors in Organic Field-Effect and Light-Emitting Transistors
Sheets, William Christopher; Denti, Mitchell; Generali, Gianluca; Capelli, Raffaella; Lu, Shaofeng; Yu, Xinge; Muccini, Michele; Facchetti, Antonio; Usta, Hakan (AMER CHEMICAL SOC, 2014)Despite their favorable electronic and structural properties, the synthetic development and incorporation of thiazole-based building blocks into n-type semiconductors has lagged behind that of other π-deficient building ... -
Permanent densification of amorphous zinc oxide under pressure: A first principles study
Tahaoglu, Duygu; Durandurdu, Murat (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2018)Ab initio simulations within a generalized gradient approximation are carried out to investigate the densification mechanism of amorphous zinc oxide (a-ZnO) under hydrostatic pressure. In contrast to the crystalline ZnO, ... -
pH- and temperature-responsive amphiphilic diblock copolymers of 4-vinylpyridine and oligoethyleneglycol methacrylate synthesized by RAFT polymerization
Topuzogullari, Murat; Bulmus, Volga; Dalgakiran, Eray; Dincer, Sevil (ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2014)Diblock copolymers of 4-vinylpyridine (4VP) and oligoethyleneglycol methyl ether methacrylate (OEGMA) were synthesized for the first time using RAFT polymerization technique as potential drug delivery systems. Effects of ... -
Phase transition of ZrN under pressure
Durandurdu, Murat (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2019)A first principles constant pressure approach is carried out to probe the high-pressure behaviour of the rocksalt (RS) structured zirconium nitride (ZrN). The existence of first order reconstructive phase transition from ... -
The photoionization cross section of a hydrogenic impurity in a multi-layered spherical quantum dot
Sahin, Mehmet; Tek, Firdes; Erdinc, Ahmet (AIP Publishing1305 WALT WHITMAN RD, STE 300, MELVILLE, NY 11747-4501, 2012)In this study, we have investigated the photoionization cross section of an on-center hydrogenic impurity in a multi-layered spherical quantum dot. The electronic energy levels and their wave functions have been determined ... -
Photophysical properties of self-assembled supramolecular peptide nanofiber organic semiconductors
Khalily, Mohammad Aref; Usta, Hakan; Guler, Mustafa O. (AMER CHEMICAL SOC, 2015)..... -
Photosensing Properties of Pentacene OFETs Based on a Novel PMMA Copolymer Gate Dielectric
Loffredo, Fausta; GRIMALDI, IMMACOLATAANGELICA; Miscioscia, Riccardo; Nenna, Giuseppe; Villani, Fulvia; Minarini, Carla; Petrosino, Mario; Rubino, Alfredo; Usta, Hakan; Facchetti, Antonio (IEEE, 2015)In the present work, bottom-gate top-contact organic field effect transistors (OFETs) were fabricated by evaporating a pentacene semiconductor film on top of a new insulating poly(methyl methacrylate) (PMMA) copolymer ... -
Plasmon Enhanced Emission of Perovskite Quantum Dot Films
Dadi, Seyma; Altintas, Yemliha; Beskazak, Emre; Mutlugun, Evren (CAMBRIDGE UNIV PRESS, 32 AVENUE OF THE AMERICAS, NEW YORK, NY 10013-2473 USA, 2018)We propose and demonstrate the photoluminescence enhancement of CsPbBr3 perovskite quantum dot films in the presence of Au nanoparticles. Embedded into a polymer matrix, Au nanoparticle-quantum dot film assemble prepared ... -
Poly(lauryl methacrylate)-Grafted Amino-Functionalized Zirconium-Terephthalate Metal-Organic Framework: Efficient Adsorbent for Extraction of Polycyclic Aromatic Hydrocarbons from Water Samples
Tabatabaii, Maryam; Khajeh, Mostafa; Oveisi, Ali Reza; Erkartal, Mustafa; Sen, Unal (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2020)In this study, a novel porous hybrid material, poly(lauryl methacrylate) polymer-grafted UiO-66-NH2 (UiO = University of Oslo), was synthesized for efficient extraction of polycyclic aromatic hydrocarbons (PAHs) from aqueous ... -
Polymeric semiconductors based on meso-substituted BODIPY for (opto)electronic applications
Usta, Hakan; Kim, Choongik; Kim, Bumjoon (AMER CHEMICAL SOC, 1155 16TH ST, NW, WASHINGTON, DC 20036 USA, 2019)Polymeric semiconductors based on meso-substituted BODIPY for (opto)electronic applications -
Possible boron-rich amorphous silicon borides from ab initio simulations
Karacaoglan, Aysegul Ozlem Cetin; Durandurdu, Murat (SPRINGER, 2023)ContextBy means of ab initio molecular dynamics simulations, possible boron-rich amorphous silicon borides (BnSi1-n, 0.5 <= n <= 0.95) are generated and their microstructure, electrical properties and mechanical characters ... -
Post-Leaching of Silver from a Non-Sulfide Lead-Zinc Ore Flotation Tailing Leach Residue in a Copper-Ammonium Thiosulfate Solution: A Fuzzy Logic Prediction
Hussaini, S.; Tita, A. M.; Kursunoglu, S.; Kursunoglu, S.; Top, S.; Kaya, M. (PLEIADES PUBLISHING INC, 2023)The post-leaching of silver (Ag) from a non-sulfide lead–zinc (Pb–Zn) ore flotation tailing leach residue in a copper–ammonium thiosulfate solution was investigated. Ag (89.7%) was extracted into the leaching solution ... -
Preparation and characterization of a novel diatomite-based composite and investigation of its adsorption properties for uranyl ions
Senol, Zeynep Mine; Arslan, Dilek Senol; Simsek, Selcuk (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2019)In this research, Polyacrylamide-diatomite (PAA-D) composite was used as adsorbent for the efficient removal of uranyl ions from aqueous solution. The chemical and morphological properties of PAA-D composite were confirmed ... -
Preparation of Polyacrylamide Titanium Dioxide Hybrid Nanocomposite by Direct Polymerization and Its Applicability in Removing Crystal Violet from Aqueous Solution
Arslan-Şenol, Dilek; Ertap, Hüseyin; Şenol, Zeynep Mine; El Messaoudi, Noureddine; Mehmeti, Valbonë (SPRINGER, 2024)The present paper focused on synthesizing a polyacrylamide-titanium dioxide (PAA@TiO2) nanocomposite using a crosslinking method with N, N′-methylenebisacrylamide and then using this composite to eliminate crystal violet ...