• Assessment of trace metal pollution in the coastal sediments of Fethiye-Go spacing diaeresis cek Bay (SW Turkey) and evaluation of pollution sources 

  Gulsen-Rothmund, Halil Ibrahim; Arslan, Sebnem; Kurtulus, Bedri; Tunca, Evren; Avsar, Ulas; Avsar, Ozgur (PERGAMON-ELSEVIER SCIENCE LTD-OXFORD, 2023)

  This research evaluated the trace metal pollution and the pollution sources in the coastal sediments of Fethiye-Go center dot cek Bay by using the spatial distribution maps, correlation and statistical analysis, which were ...
• Extrusion of protein plastics 

  Hedenqvist, Mikael; Johansson, Eva; Newson, William; Gallstedt, Mikael; Kuktaite, Ramune; Ullsten, Henrik; Ture, Hasan (AMER CHEMICAL SOC-WASHINGTON, 2017)
• Vegetation and climate record from Abric Romani (Capellades, northeast Iberia) during the Upper Pleistocene (MIS 5d-3) 

  Biltekin, Demet; Burjachs, Francesc; Vallverdu, Josep; Sharp, Warren D.; Mertz-Kraus, Regina; Gema Chacon, M.; Saladie, Palmira; Bischoff, James L.; Carbonell, Eudald (PERGAMON-ELSEVIER SCIENCE LTD-OXFORD, 2019)

  This study addresses the pollen record of Abric Romani archaeological site and the climate evolution of the last interglacial and glacial stadials in the Iberian Peninsula. The new pollen record spans the interval from ...
• Comparison of biological characteristics of the horse Mackerel (Trachurus trachurus L. 1758) which caught of different fishing gears in the Southern Black Sea (Turkey) 

  Kalayci, Ferhat; Samsun, Serap; Sahin, Cemalettin; Samsun, Osman; Gozler, Ahmet Mutlu (NATL INST SCIENCE COMMUNICATION-NISCAIR-NEW DELHI, 2010)

  Total of 6035 horse mackerel, Trachurus trachurus L. 1758, found in the Black Sea, caught by various types of fishing gear, as purse seines, bottom trawls, gillnets, mid-water trawls and fishing lines had been examined ...
• A REAL-TIME EMG DRIVEN VIRTUAL PROSTHESIS HAND 

  Ozdemir, Ali Ekber; Kayhan, Gokhan; Usta, Hanife; Gharooni, Samad C.; Tokhi, M. O.; Eminoglu, Ilyas (WORLD SCIENTIFIC PUBL CO PTE LTD-SINGAPORE, 2010)

  This research work proposes a novel EMG pattern recognition to drive a virtual prosthesis hand from a two-channel surface EMG signal. A set of hand movements (four movements) is recorded with surface electrodes from the ...
• Linear generator design for concentrating solar power technologies: Optimization and prototype development 

  Arslan, Serdal; Oy, Sibel Akkaya (INST ENGINEERING TECHNOLOGY-IET-HERTFORD, 2023)

  An alternative way to generate electricity from solar energy is through the use of generators comprising Stirling engines with a parabolic collector. This study describes a parabolic collector with Stirling engine and ...
• Prediction models of dye adsorption by Treptacantha barbata 

  Tunca, Esra Ucuncu; Sirin, Pinar Akdogan; Ture, Hasan (EGE UNIV, FAC FISHERIES-BORNOVA-IZMIR, 2022)

  This study's objective was to develop a model to determine dye adsorption efficiency of Treptacantha barbata (Stackhouse) Orellana& Sanson, 2019 (formerly Cystoseira barbata (Stackhouse) C. Agardh, 1820). During the ...
• A piezoelectric energy harvesting from the vibration of the airflow around a moving vehicle 

  Akkaya Oy, Sibel (WILEY-HINDAWI-LONDON, 2020)

  In this study, an energy harvester using the mechanical vibrations created by the airflow on piezoelectric transducers outside a vehicle was designed, produced and introduced. The introduced harvester has an energy production ...
• Usage of standard centrifugal pumps as an off-grid generator and performance analysis 

  Alkan, Osman Firat; Oy, Sibel Akkaya (GAZI UNIV-ANKARA, 2023)

  Using field-specific design turbine-generator equipment in rural areas and projects with hydraulic resources at micro scale reduces accessibility by increasing investment costs. Another alternative for projects that want ...
• Elemental accumulation in the surficial sediment of Kesikkopru, cubuk II and Asartepe Dam Lakes (Ankara) and potential sediment toxicity 

  Fikirdesici-Ergen, Seyda; Tekatli, Cagri; Gurbuzer, Pinar; ucuncu-Tunca, Esra; Ture, Hasan; Biltekin, Demet; Kurtulus, Bedri; Tunca, Evren (TAYLOR & FRANCIS LTD ABINGDON, 2021)

  In this study, cubuk 2, Kesikkopru and Asartepe Dam Lake, were investigated. A total of 60 sediment samples were collected and the concentrations of 10 elements (Cu, Pb, Zn, Ni, Mn, Fe, Co, Cr, Al, As) were determined. The ...
• Ecological risk assessment of elemental accumulation under the impact of gold mine 

  Aydin, M.; Tunca, E. (SPRINGER NEW YORK, 2022)

  The study was performed to investigate the impact of gold mine, which has been operated near the district of Fatsa (Turkey) where 10% of the world hazelnut production is performed. Within the scope of the study, sediment ...
• A design of mass-spring type piezoelectric energy harvesting 

  Oy, S. Akkaya (SHARIF UNIV TECHNOLOGY TEHRAN, 2021)

  This study introduces an experimental power generation system based on piezoelectric energy conversion for low-power applications such as wireless sensor nodes. Piezoelectric Transducers (PZTs) are especially suitable for ...
• A two-pass hybrid training algorithm for RBF networks 

  Ozdemir, Ali Ekber; Eminoglu, Ilyas (IEEE345 E 47TH ST, NEW YORK, NY 10017 USA, 2013)

  This paper presents a systematic construction of linearly weighted Gaussian radial basis function (RBF) neural network. The proposed method is computationally a two-stage hybrid training algorithm. The first stage of the ...
• Reviewing and designing pre-processing units for RBF networks: initial structure identification and coarse-tuning of free parameters 

  Kayhan, Gokhan; Ozdemir, Ali Ekber; Eminoglu, Ilyas (SPRINGER LONDON LTD236 GRAYS INN RD, 6TH FLOOR, LONDON WC1X 8HL, ENGLAND, 2013)

  This paper reviews some frequently used methods to initialize an radial basis function (RBF) network and presents systematic design procedures for pre-processing unit(s) to initialize RBF network from available input-output ...
• Development of copper-doped bioglass/alginate composite membranes: Preliminary results on their characterization and antimicrobial properties 

  Ture, Hasan (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2019)

  In this study, copper-doped bioglass particles (Cu-BGs) were synthesized by modified Stober method and then alginate membranes containing various amounts of Cu-BGs (0, 0.5, 1, 2, 5, and 10% w/w.) were obtained using solvent ...
• Circuit topology for piezoelectric transducers in a piezoelectric energy harvester 

  Ozdemir, Ali Ekber (INST ENGINEERING TECHNOLOGY-IET, MICHAEL FARADAY HOUSE SIX HILLS WAY STEVENAGE, HERTFORD SG1 2AY, ENGLAND, 2019)

  In order to maximise the power from a harvester including a great number of piezoelectric transducers (PZTs), the outputs of these transducers should be connected in a suitable way. Since each PZT can be thought of as a ...
• SPATIAL AND TEMPORAL ASSESSMENT OF METAL(LOID) CONTAMINATION IN ASARTEPE DAM LAKE (ANKARA, TURKEY) USING POLLUTION INDICES AND MULTIVARIATE STATISTICAL ANALYSIS 

  Canoglu, Mustafa Can; Erdem, Gunseli; Kurtulus, Bedri; Sagir, Cagdas; Tunc, Semih Okan; Tunca, Evren (PARLAR SCIENTIFIC PUBLICATIONS (P S P), ANGERSTR. 12, 85354 FREISING, GERMANY, 2019)

  This study has investigated metal(loid) contamination in Asartepe Dam Lake, which is used for irrigation in Ankara, Turkey. Contamination Factor and Degree of Contamination were applied to evaluate contamination in the ...
• Characterization of hydroxyapatite-containing alginate-gelatin composite films as a potential wound dressing 

  Ture, Hasan (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2019)

  In this study, hydroxyapatite (HA)-containing alginate-gelatin films were prepared by solution casting method by blending alginate (A) and gelatin (G) solutions, followed by crosslinking with calcium chloride. HA (1, 2, ...
• Experimental and Modeling Study on Solar System Using Linear Fresnel Lens and Thermoelectric Module 

  Atalay, Tahsin; Koysal, Yavuz; Ozdemir, Ali Ekber (ASME, TWO PARK AVE, NEW YORK, NY 10016-5990 USA, 2018)

  This work is concerned with an experimental design for generating power from thermoelectric generator (TEG) and linear Fresnel lens collector with one-axis solar tracking system. Main purpose of this experimental design ...
• Spatial distribution of some elements and elemental contamination in the sediments of Koycegiz Lake (SW Turkey) 

  Avsar, Ozgur; Avsar, Ulas; Gulsen-Rothmund, Halil Ibrahim; Kurtulus, Bedri; Tunca, Evren (SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2018)

  Elemental accumulation, distribution and relationship profiles for sediment samples taken at 81 localities in the Koycegiz Lake were investigated. Spatial distribution maps for ten elements (Cu, Pb, Zn, Ni, Cr, Co, Mn, Mo, ...

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