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Recent Submissions

Profiles of fungal metabolites including regulated mycotoxins in individual dried Turkish figs by LC-MS/MS
Sulyok, Michael; Krska, Rudolf; Senyuva, Hamide (Springer Science and Business Media LLC, 2020-11-01)
Fungal metabolites including regulated mycotoxins were identified by a validated LC-MS/MS method in 180 individual Turkish dried figs from 2017 and 2018 harvests. Hand-selected dried figs were subjectively classified based...
Evaluation of hybridsolar-wind-hydrogenenergy system based on methanol electrolyzer
Budak, Yagmur; DEVRİM, YILSER (Wiley, 2020-10-01)
In this study, it is aimed to meet the annual electricity and heating needs of a house without interruption with the photovoltaic panel, wind turbine, methanol electrolyzer, and high temperature proton exchange membrane fu...
Design of a high-precision, 0.5 m aperture Cassegrain collimator
Karci, Ozgur; Ekinci, Mustafa (The Optical Society, 2020-09-01)
We present the realization of a high-precision, 0.5m aperture size Cassegrain collimator system. The optical design, the optomechanical design, the mirror manufacturing, and the telescope alignment with a performance evalu...
Large structure-dependent room temperature exchange bias in self-assembled BiFeO3 nanoparticles
Goswami, Sudipta; Sahoo, Aditi; Bhattacharya, Dipten; Karci, Ozgur; Mohanty, P. K. (2020-08-01)
We studied the magnetic properties of self-assembled aggregates of BiFeO3 nanoparticles (similar to 20 nm-40 nm). The aggregates formed two different structures-one with limited and another with massive crosslinking-via th...
Desertification risk assessment in Turkey based on environmentally sensitive areas
Uzuner, Caglar; DENGİZ, ORHAN (Elsevier BV, 2020-07-01)
Turkey's many and varied landscapes face the challenge of degradation and ultimately desertification due to soil problems that include organic matter deficiency, salinity-alkalinity, compaction and erosion and the loss of ...
Preparation and characterization of cyclodextrin nanosponges for organic toxic molecule removal
VARAN, CEM; Anceschi, Anastasia; Sevli, Serhat; Bruni, Natascia; Giraudo, Leonardo; BİLGİÇ, ELİF; KORKUSUZ, PETEK; Iskit, Alper B.; Trotta, Francesco; BİLENSOY, EREM (Elsevier BV, 2020-07-01)
Cyclodextrin-based nanosponges (CD-NS) are considered as safe and biocompatible systems for removing toxic molecules from the body. Rapid removal of toxic molecules that are formed in the body from certain food constituent...
OPTIMAL CONTROLLER DESIGN FOR SPEED GOVERNORS OF HYDROELECTRIC POWER PLANT
Altinoz, Okkes Tolga; KOŞALAY, İLHAN; Gezer, Derya (VSB - Technical University of Ostrava, 2020-06-01)
Speed governors have critical importance on hydroelectric power plants, which are adjusted to the rotating speed of hydroelectric generation based on load demand of the grid. The rotating speed is the main factor to balanc...
Effect of anisotropy on performance of M-ary phase shift keying subcarrier intensity-modulated optical wireless communication links operating in strong oceanic turbulence
Gokce, Muhsin Caner; Baykal, Yahya; Ata, Yalcn (IOP Publishing, 2020-05-01)
In strong oceanic turbulence, the performance of M-ary phase shift keying subcarrier intensity-modulated optical wireless communication (OWC) links is investigated in terms of the bit-error-rate (BER) by considering the ef...
The Relationship between Organizational Democracy and Organizational Cynicism: A Study on Academic Staff
Copur, Zubeyde; Baskan, Gulsun Atanur (2020-04-01)
This study aims to investigate the relationship between organizational democracy and organizational cynicism as determined through academic staff opinions. 472 academic staff working in Ankara participated in the study. Th...
Evaluation of 3D printed carotid anatomical models in planning carotid artery stenting
Gocer, Hakan; Durukan, Ahmet Baris; Tunc, Osman; Naseri, Erdinc; Ercan, Ertugrul (Baycinar Tibbi Yayincilik, 2020-04-01)
Background: We aimed to investigate the potential role of three-dimensional printed anatomical models in pre-procedural planning, practice, and selection of carotid artery stent and embolic protection device size and locat...
A Novel Method to Adjust Saphenous Vein Graft Lengths Using 3D Printing Models
Gocer, Hakan; Durukan, Ahmet Baris; Tunc, Osman; Naseri, Erdinc; Ercan, Ertugrul (Carden Jennings Publishing Co., 2020-01-01)
Background: The optimal length of saphenous vein grafts can be challenging in surgical coronary revascularization. It is the cornerstone for graft patency. In this study, we tried to demonstrate the value of 3D printing in...
Grain size distributions in airborne dust, river-suspended loads, and marine sediments from southeastern Turkey (NE Mediterranean Sea)
Ediger, Vedat (2020-01-01)
Between February 2001 and January 2002, near the coast of Erdemli, southeastern Turkey, 7 airborne dust samples, 7 coastal river-suspended sediment samples, and 3 marine sediment cores were collected. The main objective of...
Performance of M-ary pulse position modulation for aeronautical uplink communications in an atmospheric turbulent medium
Ata, Yalcin; Baykal, Yahya; Gokce, Muhsin Caner (The Optical Society, 2019-10-01)
This paper discusses the bit-error-rate (BER) performance of an aeronautical uplink optical wireless communication system (OWCS) when a Gaussian beam is employed and the M-ary pulse position modulation technique is used in...
On channel capacity of FSO communication systems in anisotropic non-Kolmogorov strong turbulent atmosphere
Ata, Yalcin (The Optical Society, 2019-09-01)
Average channel capacity of free space optical (FSO) communication systems using a Gaussian beam with the intensity modulation and direct detection technique is investigated in anisotropic non-Kolmogorov strong turbulent a...
An ultra-wide band low-SAR flexible metasurface-enabled antenna for WBAN applications
Yalduz, Husnu; Koc, Burak; Kuzu, Lokman; TÜRKMEN, MUSTAFA (Springer Science and Business Media LLC, 2019-08-09)
In this study, an ultra-wideband low-specific absorption rate (SAR) flexible metasurface-enabled wearable antenna is proposed for wireless body area network applications. The antenna and metamaterial (MM) structure were de...
Glass fiber reinforced sealants for solid oxide fuel cells
Timurkutluk, Bora; Altan, Tolga; Celik, Selahattin; Timurkutluk, Cigdem; PALACI, Yüksel (Elsevier BV, 2019-07-05)
Novel sealants for solid oxide fuel cells are developed by addition of glass fiber into glass ceramic as a reinforcement material. Various sealants including three different fiberglass types and four different structural d...
Occupational asthma; the limited role of air-fed respiratory protective equipment
Ilgaz, Aslihan; Moore, Vicky C.; Robertson, Alastair S.; Walters, Gareth I.; Burge, P. Sherwood (Oxford University Press (OUP), 2019-07-01)
Background Evidence-based reviews have found that evidence for the efficacy of respiratory protective equipment (RPE) in the management of occupational asthma (OA) is lacking.
Biotization of In Vitro Plants with Endophytic Beneficial Bacterium (PGP_invit) to Understand Plant-bacteria Interaction
Turkolmez, Nil; Albayrak, Merve; Batool, Maria; Kayihan, Doga Selin; Ekinci, Hamit; Akkaya, Ozlem; Seker, Mine Gul; Kayihan, Ceyhun; AYDINOĞLU, FATMA; ÖZDEN ÇİFTÇİ, YELDA (2019-06-01)
Crystallization of hydrogenated amorphous silicon thin film on glass by using ns-pulsed fiber laser operating at 1064 nm
Salman, H. S.; BACIOĞLU, AKIN; Eken, S. K. (Elsevier BV, 2019-06-01)
A nanosecond pulsed, Ytterbium doped optical fiber laser, operating at 1064 nm, has been used for laser induced crystallization (LIC) of a standard recipe-hydrogenated amorphous silicon (a-Si: H) thin film, deposited in a ...
Unethical Behaviors of Faculty Members in Classroom from the Perspective of Students
Dinc, Reyhan Gedik; Gizir, Sidika (2019-04-01)
This qualitative study aims to determine the unethical behaviors that faculty members exhibit in the classroom environment from the perspective of undergraduate students. The study group of this research consisted of 30 pa...