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Öğe Adenosquamous carcinoma of the pancreas: A case report(Springer, 2017) Dogan, E.; Gokce, A. Orhan; Secinti, I. E.; Gursoy, D.; Ozgur, T.; Hakverdi, S.; Dogan, U. B.[Abstract Not Available]Öğe Adrenocortical carcinoma: A case report(Springer, 2017) Gokce, A. Orhan; Dogan, E.; Gursoy, D.; Secinti, I. E.; Ozgur, T.; Hakverdi, S.; Gorur, S.[Abstract Not Available]Öğe Ameloblastoma originated from maxillary sinus(Springer, 2013) Dogan, E.; Abidin, Z. A.; Ipci, O.; Akoglu, E.[Abstract Not Available]Öğe Calvarial metastasis as clinic presentation of renal cell carcinoma: A case report(Springer, 2017) Ceylan, E. Cengiz; Dogan, E.; Secinti, I. E.; Gursoy, D.; Ozgur, T.; Hakverdi, S.; Yilmaz, A.[Abstract Not Available]Öğe Characterization of immunohistochemical markers in triple negative breast carcinomas from Turkey(Springer, 2013) Dogan, E.; Guray, M.; Ozgur, T.; Canda, T.[Abstract Not Available]Öğe Congenital (infantile) fibrosarcoma of the scalp: A case report(Springer, 2017) Dogan, E.; Ceylan, E. Cengiz; Gursoy, D.; Secinti, I. E.; Hakverdi, S.; Ozgur, T.; Serarslan, Y.[Abstract Not Available]Öğe Epidermoid cyst in tongue: A case report(Springer, 2017) Gokce, A. Orhan; Dogan, E.; Secinti, I. E.; Gursoy, D.; Hakverdi, S.; Ozgur, T.; Ozkan, M.[Abstract Not Available]Öğe An evaluation of brain tumour cases among Syrian refugees in Hatay, Turkey(Springer, 2017) Hakverdi, S.; Secinti, I. E.; Gursoy, D.; Ozgur, T.; Serarslan, Y.; Dogan, E.[Abstract Not Available]Öğe Extraskeletal osteosarcoma located in abdominal wall: A case report(Springer, 2017) Dogan, E.; Gokce, A. Orhan; Gursoy, D.; Secinti, I. E.; Hakverdi, S.; Ozgur, T.; Temiz, M.[Abstract Not Available]Öğe Intracranial benign cystic lesions(Springer, 2017) Secinti, I. E.; Hakverdi, S.; Gursoy, D.; Ozgur, T.; Dogan, E.; Serarslan, Y.[Abstract Not Available]Öğe Mesenteric cystic lymphangioma: A case report(Springer, 2017) Dogan, E.; Ceylan, E. Cengiz; Gursoy, D.; Secinti, I. E.; Hakverdi, S.; Ozgur, T.; Ugur, M.[Abstract Not Available]Öğe Microstrip Patch Antenna Covered With Left Handed Metamaterial(Applied Computational Electromagnetics Soc, 2013) Dogan, E.; Unal, E.; Kapusuz, D.; Karaaslan, M.; Sabah, C.We present gain characteristics of microstrip patch antennas covered with metamaterial substrate composed of split-ring resonators (SRRs) and metallic strip. To determine the performance of the SRR-metallic strip mounted on microstrip patch antenna, the metamaterial has been proposed as an effective medium with extracted constitutive parameters. Simulation results are supported by experimental measurements. The experimental results confirm that the metamaterial covered patch antenna improves gain by an amount of -5.68 dB (% 60.3) as well as radiation pattern (-8 dB to +20 dB) at WLAN communication.Öğe New generation WIMAX antenna based on metamaterial superstrate(Natl Inst Optoelectronics, 2013) Dogan, E.; Unal, E.; Kapusuz, D.In this study, a microstrip patch antenna system based on metamaterial superstrate (PAMS) is proposed. Patch antennas suffer from low gain and directivity. A significant study is realized to circumvent this drawback by implementing a patch antenna based on metamaterial superstrate. The effective medium parameters of the unit cell are retrieved and planar three-layer metamaterial composed of unit cell arrays are used as a superstrate for gain and directivity enhancement of a microstrip patch antenna at 5.6 GHz. The gain and directivity efficiency of the proposed system is about 13.474 dB and 12.40 dB, respectively at 5.6 GHz. In this study, Simulation and measurement results are also presented. The PAMS consists of periodically arranged metamaterial array unit cells as a superstrate and patch antenna. The system is designed to operate from 5.2 GHz to 6 GHz with a return loss of -32.174 dB at first mode (5.6 GHz). Both simulation and measurement results of the PAMS show that this configuration is able to realize a broadside gain 72% of the maximum gain from the metamaterial superstrate. The effects of the compactness of the arrays are also investigated. It is observed that return loss is directly proportional with the compactness of the superstrate. The maximum return loss (-32.174 dB) is obtained with seven arrays of metamaterial.Öğe Struma ovarii in our series with review of the literature and retrospective analysis(Springer, 2017) Gursoy, D.; Hakverdi, S.; Dogan, E.; Ozgur, T.; Secinti, I. E.[Abstract Not Available]Öğe Two rare cases of lipoblastoma; Inguinal region and mandibular corpus(Springer, 2017) Hakverdi, S.; Ozgur, T.; Secinti, I. E.; Gursoy, D.; Dogan, E.[Abstract Not Available]
