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1. Perinatal Anxiety Screening Scale validiy and reliability study in Turkish (PASS-TR validity and reliability)

Author

Esra Yazıcı, Tugba Mutu Pek, Hilal Uslu Yuvacı, Elif Köse, Serhan Cevrioglu, Ahmet Bulent Yazıcı, Ali Savaş Çilli, Atila Erol, and Nazan Aydın

Subjects
anxiety, pregnancy, postpartum, perinatal, turkey, depression, Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Abstract

BACKGROUND: Anxiety disorders are common in women. This sensitivity extends into the perinatal period as well. Thus, screening for anxiety disorders during the aforementioned period is important for the proper management and treatment of conditions. This study was conducted to assess the validity and reliability of the Perinatal Anxiety Screening Scale, which was determined to be beneficial for the purposes listed above. METHOD: For this study, the “Perinatal Anxiety Screening Scale” (PASS) was translated into Turkish and relabelled “Perinatal Anksiyete Tarama Ölçeği” (PASS-TR). 312 perinatal women were then evaluated with: the ICD 10 diagnosis system, SCID-1, the Hamilton Anxiety Scale, Hamilton Depression Scale, Beck Anxiety Scale, and PASS-TR. The resulting data was examined using Pearson Correlation analysis, Reliability tests, ROC analysis, and Factor analysis. The generated sub-dimensions were re-examined again by confirmatory factor analysis and Root Mean Square Error of Approximation (RMSEA), Root Mean Square Residual (RMR), Standardized Root Mean Square Residual (SRMR) χ2/sd, the Goodness of Fit Index (GFI), Adjusted Goodness of Fit Index (AGFI), Comparative Fit Index (CFI), Akaike's Information Criterion (AIC), and the Bayesian Information Criterion (BIC). RESULTS: In this assessment, Cronbach's Alpha value for the scale is = 0.95, and the sub-dimensions obtained by explanatory factor analysis are: (1) general anxiety and specific fear, (2) perfectionism and control, (3) social anxiety and adjustment disorder, (4) acute anxiety and trauma. The cut-off score for the scale is 16. As a result, it was determined that PASS-TR is an accurate method for the scanning of anxiety disorders in the perinatal period. CONCLUSION: PASS-TR can be validly and reliably used to scan for anxiety disorders amongst perinatal women.

Published
2019
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2. The relationship between oxytocin, vasopressin and atrial natriuretic peptide levels and cognitive functions in patients with schizophrenia

Author

Tugba Mutu Pek, Esra Yazici, Derya Guzel, Elif Kose, Ahmet Bülent Yazıcı, and Atila Erol

Subjects
atrial natriuretic peptide, cognitive functions, oxytocin, schizophrenia, vasopressin, Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Abstract

Objective: The aim of this study was to investigate the relationship between oxytocin (OXT), vasopressin (AVP) and atrial natriuretic peptide (ANP) levels and cognitive functions in schzophrenia as well as to compare the findings to those in healthy controls. Method: Patients with chronic schizophrenia and (n=63) healthy controls (n=60) were evaluated with the Rey Auditory Verbal Learning Test (VLT), the Trail Making Test A-B (TMT), the Stroop Test, the Wechsler Memory Scale-Visual Production Subscale (WMS-V) and the Facial Emotion Recognition Tests. Blood samples were analysed by using ELISA. In the data analysis, the percentage distributions of the variables were obtained, the centrality and prevalence measures (mean, standard deviation) were calculated for the continuous variables, and the dependent and independent variables were evaluated using the chi-square test, the Student’s t-test, and the Pearson correlation test. High score variables were determined by principal component analysis. For comparisons between groups; MANOVA applied. Results: Serum OXT, AVP and ANP levels did not differ between the groups. In the healthy control group, subscales of the Stroop, WMS-V and TMT-B tests showed better scores and correlated with levels of OXT (p < .05). In the healthy controls, ANP levels and social cognition had a relationship with response times to happy facial expressions (p < .05). The correlations of OXT, AVP and ANP with the social and cognitive parameters were different between the control group and the schizophrenia group (p < .05). Conclusion: The different correlations in the healthy controls and schizophrenia group suggest deteriorations in the interactions and functions of hormones in patients and highlights the need for new investigations into different neurodegenerative illness samples.

Published
2019
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3. Case Reports Presentations

Author

Mustafa Dinçer, Cemil Çelik, Elif Ecem Helvalı, Şahin Bodur, Emine Tuğçe Akçaer, Serdar Süleyman Can, Görkem Karakaş Uğurlu, Sümeyye İslamoğlu, Semra Ulusoy Kaymak, Yasemin Taştorun, Oğuz Peker, Ali Çayköylü, Zehra Ece Soğucak, Aslı Sürer Adanır, Esin Özatalay, Arif Önder, Abdurrahman Erdem Başaran, Ayşen Bingöl, Berhan Akdağ, Murat İlhan Atagün, Yakup Doğan, Öznur Bilaç, Canem Kavurma, Gülseren Taşkıran, Aybike Erdem, Zehra Başar Kocagöz, Adnan Özçetin, Ahmet Ataoğlu, Merve Çavdar Toraman, Özgen Özçelik, Hüseyin Kara, Talya Tomar, Buket Cinemre, Yusuf Tokgöz, Taner Öznur, Abdullah Bolu, Özcan Uzun, İkbal İnanlı, Deniz Altunova, Ali Metehan Çalışkan, İbrahim Eren, Tüba Şerife Elmas, Yasemin Gökçenoğlu, Saliha Çalışır, Ali Baran Tanrıkulu, Şenay Yıldız Bozdoğan, Fatma Şahin, Ceren Çamur, İbrahim Gündoğmuş, Abdulkadir Karagöz, Ayhan Algül, Ebru Doneray, Ipek Percinel Yazici, Kemal Utku Yazici, Aslı Adanır, Yetiş Işıldar, Ebru Sağlam, Ayhan Bilgiç, Betül Akbaş, Çağla Çelikkol, Seher Serez Öztürrk, Hilal Seven, Dudu Demiröz, Seda Özbek, İsmet Esra Çiçek, Fatma Coşkun, Ömer Faruk Akça, Doğa Sevinçok, Çağdaş Öykü Memiş, Burcu Çakaloz, Bilge Çetin İlhan, Tuba Şerife Elmas, Azra Sehure Yaşar, Nafiye Yağlı, Osman Ak, Recep Başaran, Mehmet Murat Balcı, Mehmet Murat Kuloğlu, İbrahim Taş, Sehure Azra Yaşar, Mustafa Çağrı Yıldız, Ebru Çiftçi, Hasan Ali Guler, Ali Kandeger, Dilara Guler, Serhat Turkoglu, Önder Küçük, Ferhat Yaylacı, Handan Özek Erkuran, Betül Kurtses Gürsoy, Seher Serez Öztürk, Berrin Ünal, Gizem Aral, Evrim Özkorumak Karagüzel, Demet Sağlam Aykut, Filiz Civil Arslan, Ezgi Karagöz, Neslihan Emir İnaloğlu, Necati Uzun, Mutlu Muhammed Özbek, Mustafa Tolga Tunagür, Bilge Doğan, Levent Sevinçok, Abdullah Akgün, Kamil Nahit Özmenler, Tayfun Kara, İsmail Akaltun, Ayşe Erdoğan Kaya, Esra Yazıcı, Muhammed Nurullah Sezer, Çağlar Turan, Engin Sert, Yusuf Ezel Yıldırım, Pınar Çetinay Aydın, Sevilay Kunt, Tonguç Demir Berkol, Erman Esnafoglu, Öznur Adıgüzel, Serhat Tunc, Hamit Serdar Basbug, Selçuk Dalyan, Şermin Bilgen Ulgar, Hamza Ayaydın, Sema Bozbey, Merve Yazıcı, Çiğdem Yektaş, Enes Sarıgedik, Mehmet Asoğlu, Betül Uyar Ekmen, Hasan Akçalı, Cuma Taş, Cansu Mercan Işık, Belde Demirci, Seda Aybüke Sarı, Ayla Uzun Çiçek, Ezgi Eynalli, Ozge Metin, Perihan Cam Ray, Aysegul Yolga Tahiroglu, Gonca Gul Celik, Tuğçe Akçaer, Elif Merve Kurt, İbrahim Özkan Göncüoğlu, İsmail Ak, Merve Tsakir Chasan, Lut Tamam, Soner Çakmak, Mehmet Emin Demirkol, Erdem Örnek, Ayşe Sakallı Kani, Volkan Topçuoğlu, Rukiye Çolak Sivri, Nihal Yurteri Çetin, Merve Sertdemir, Emre Ürer, Gökçen İlçioğlu Ekici, Birim Günay Kılıç, Keziban Turgut, Canan Kuygun Karci, Ayse Avci, Azra Yaşar, Sümeyra Elif Kaplan, Hazal Muhsinoglu, Alper Zıblak, Ayşe Nur İnci Kenar, Cantekin Can, Canan Kuygun Karcı, Gamze Kutlu, Çağlar Soykan, Cansu Pınar Şen, Mehmet Fatih Ceylan, Selma Tural Hesapçıoğlu, Özden Şükran Öneri, Abdullah Karataş, Hatice Altun, Umut Karaaslan, Nurdan Kasar, Nilfer Şahin, Damla Balkan, Aslıhan Okan İbiloğlu, Abdullah Atli, Rabia Erdogan, Esra Yazici, Tugba Mutu, Ozlem Akcay Ciner, Ali Savas Cilli, Atila Erol, Esra Porgalı Zayman, Cengiz Darılmaz, İsmail Reyhani, Rıfat Karlıdağ, Kübra Yıldırım, Yunus Emre Dönmez, Serdar Karatoprak, Özlem Özcan, Ali Hakan Öztürk, Özden Şükran Üneri, Perihan Turhan Gürbüz, Mustafa Uğurlu, Özlem Doğan, Tahir Kurtuluş Yoldaş, Nuran Bilgen, Vesile Altınyazar, Muhammed Mutlu Özbek, Ebru Ulu, Esra Demirci, Sevgi Özmen, Ümit Haluk Yeşilkaya, Ozge Sahmelikoglu Onur, Omer Akay, Yasin Hasan Balcioglu, Fatih Oncu, Çiğdem Toklu Yalvaç, Ümit Işık, Erol Erkan, Mehmet Hamdi Örüm, Tezan Bildik, Mahmut Zabit Kara, Helin Yılmaz, Hasan Akın Tahıllıoğlu, Aysun Kalenderoğlu, Oğuzhan Bekir Eğilmez, Murat Eren Özen, Yaşar Kapıcı, Ümit Kılıçoğlu, Murad Atmaca, Gulgaz Karimova, Asiye Arıcı, Feyza Hatice Sevgen, Zehra Alğan, Fadime Dalboy, Mehmet Ak, Faruk Uğuz, Kübra Kılınç, Fatih Hilmi Çetin, Serhat Türkoğlu, Semra Yılmaz, İbrahim İbiloğlu, Mustafa Özkan, Osman Bertizlioğlu, Ece Merve Yazar, Ahmet Özercan, Mehmet Kemal Kuşçu, Muhammet Akbolat, Gazanfer Ekinci, İpek Midi, Fatih Mücahit Harmankaya, Adem Aydın, Neslihan Yazar, Busra Bahar Ataoğlu, Neşe Yorguner Küpeli, Necati Serkut Bulut, Kaan Kora, Cihad Yükselir, Serkan Zincir, Dilşad Yıldız Miniksar, Pelin Çon Bayhan, Faruk Pirinççioğlu, İsmail Karka, Meltem Göbelek, Öznur Akıl, Sümeyra Güngören, Deniz Deniz Özturan, Zeynep Bebek Yılmaz, Derya Deniz Kürekçi, Aykut Özturan, Mihriban Ünay, Hasan Mervan Aytaç, Nazan Aydın, Can Tuncer, Volkan Seneger, Burcu Bakar Kahraman, Selma Hilal Avcı, Hasan Turan Karatepe, Mehmet Arslan, Sıla Çalışkan, Yusuf Çokünlü, Zeynep Yücehan, Seher Serez Öztrük, Hatice Yardım Özayhan, Özlem Karakaya, Gökçen Turan, Burak Elbeyli Ahmet, Safiye Bahar Ölmez, Merve Çavdar, Evrim Aktepe, Pınar Aydoğan Avşar, Yakup Erdoğan, Özlem Beğinoğlu, Rümeysa Yeni Elbay, Hayriye Hızarcıoğlu Gülşen, Arzu Yılmaz, Yasemin İmrek, Mesut Sari, Büşra Pala, Yusuf Öztürk, Güler Göl, Mehmet Akif Cansız, Uğur Savcı, Berna Gündüz Çıtır, Hatice Aksu, Sema Çam Salihoğlu, Nurhak Çağatay Birer, Güler Özkula, Ercan Altınörs, Fatih Baz, Mesut Yıldız, Leyla Bozatlı, Hasan Cem Aykutlu, Işık Görker, Oğuzhan Sapdüzen, Çiçek Hocaoğlu, Alphan Anak, Mesut Yılmaz, Yeliz Doymaz, Ece Ayyıldız, Mehmet Baltacıoğlu, Selvi Ceran Kayıpmaz, Ali Ercan Altınöz, Arzu Oğuz, Sema Çam Salihoglu, Hacer Gizem Gerçek, Mehmet Ayhan Cöngöloğlu, Emre Subas, Selin Alkan, Suat Yalcin, Suleyman Donmezler, Sevilay Umut Kilinc, Burcu Hamurisci Yalcin, Guliz Ozgen, Ahmet Turkcan, Ayse Ceren Kaypak, Nese Yorguner Kupeli, Ali İnaltekin, İbrahim Yağcı, Yüksel Kıvrak, Emine Füsun Akyüz Çim, Leyla Delikanli, Mustafa Tuncturk, Oguz Bilal Karakus, Ali Guven Kılıcoglu, Gul Karacetin, Merve Okuyan, Halil İbrahim İvelik, Burak Okumuş, Rukiye Tekdemir, Memduha Aydın, Nihal Taştekin, Betül Kırşavoğlu, Murat Yalçın, Sibel Ayvaz, Ayşe Gülşah Kırımlı, Ayşegül Taşdelen Kul, Huda Pasli, Mine Ozkan, and Ferda Volkan

Subjects
Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Published
2018
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4. Klotho, vitamin D and homocysteine levels during acute episode and remission periods in schizophrenia patients

Author

Atila Erol, Esra Yazici, Ahmet Bulent Yazici, Ozlem Akcay Ciner, Tugba Mutu Pek, Derya Güzel, Yazici, E, Pek, TM, Guzel, D, Yazici, AB, Ciner, OA, Erol, A, Sakarya Üniversitesi/Tıp Fakültesi/Dahili Tıp Bilimleri Bölümü, Yazıcı, Esra, Güzel, Derya, Yazıcı, Ahmet Bülent, and Erol, Atila

Subjects
Oncology, Adult, Male, medicine.medical_specialty, Homocysteine, Enzyme-Linked Immunosorbent Assay, Homocysteine levels, 03 medical and health sciences, chemistry.chemical_compound, Young Adult, 0302 clinical medicine, Folic Acid, Internal medicine, mental disorders, Vitamin D and neurology, medicine, Humans, Vitamin D, Psychiatry, Klotho, Klotho Proteins, Aged, Glucuronidase, Psychiatric Status Rating Scales, business.industry, Middle Aged, medicine.disease, 030227 psychiatry, Psychiatry and Mental health, Vitamin B 12, chemistry, Schizophrenia, Case-Control Studies, Acute Disease, Biomarker (medicine), Female, business, 030217 neurology & neurosurgery
Abstract

Aim: Neurodegenerative processes are effective in schizophrenia. However, the underlying causes of the symptoms and associated factors have not yet been fully elucidated. Recent research has focused on the relationship between neurodegeneration and vitamin D, Klotho and homocysteine levels. In this study, we aimed to investigate this relationship in schizophrenia.Method: This study included 30 schizophrenic inpatients, 30 schizophrenic outpatients in remission and 28 healthy volunteers as the control group. The psychiatric diagnoses of our patients were evaluated according to DSM-IV criteria. The Positive and Negative Syndrome Scale (PANSS), the Global Assessment of Functioning (GAF) scale and the Clinical Global Impression (CGI) scale were used for clinical measurements. Serum Klotho, homocysteine, vitamin D, vitamin B12 and folic acid levels were analyzed using ELISA and compared with clinical properties.Results: The PANSS scores and CGI scores were higher in schizophrenic inpatients than outpatients, and the GAF scores were lower (p0.05). However, vitamin B12, folic acid and homocysteine levels were higher in schizophrenic patients than the control group (p

Published
2019

5. Perinatal Anxiety Screening Scale validiy and reliability study in Turkish (PASS-TR validity and reliability)

Author

Tugba Mutu Pek, Atila Erol, Serhan Cevrioglu, Nazan Aydin, Ali Savas Cilli, Esra Yazici, Ahmet Bulent Yazici, Hilal Uslu Yuvaci, Elif Köse, Yazici, E, Pek, TM, Yuvaci, HU, Kose, E, Cevrioglu, S, Yazici, AB, Cilli, AS, Erol, A, Aydin, N, Sakarya Üniversitesi/Tıp Fakültesi/Dahili Tıp Bilimleri Bölümü, Yazıcı, Esra, Uslu Yuvacı, Hilal, Köse, Elif, Yazıcı, Ahmet Bülent, Çilli, Ali Savaş, and Erol, Atila

Subjects
Turkish, Validity, Neurosciences. Biological psychiatry. Neuropsychiatry, 03 medical and health sciences, Perinatal anxiety, 0302 clinical medicine, Reliability study, Medicine, turkey, Pharmacology (medical), 030212 general & internal medicine, postpartum, perinatal, Psychiatry, business.industry, fungi, food and beverages, anxiety, language.human_language, 030227 psychiatry, Psychiatry and Mental health, Scale (social sciences), depression, language, Anxiety, pregnancy, medicine.symptom, business, Perinatal period, Clinical psychology, RC321-571
Abstract

BACKGROUND: Anxiety disorders are common in women. This sensitivity extends into the perinatal period as well. Thus, screening for anxiety disorders during the aforementioned period is important for the proper management and treatment of conditions. This study was conducted to assess the validity and reliability of the Perinatal Anxiety Screening Scale, which was determined to be beneficial for the purposes listed above. METHOD: For this study, the “Perinatal Anxiety Screening Scale” (PASS) was translated into Turkish and relabelled “Perinatal Anksiyete Tarama Ölçeği” (PASS-TR). 312 perinatal women were then evaluated with: the ICD 10 diagnosis system, SCID-1, the Hamilton Anxiety Scale, Hamilton Depression Scale, Beck Anxiety Scale, and PASS-TR. The resulting data was examined using Pearson Correlation analysis, Reliability tests, ROC analysis, and Factor analysis. The generated sub-dimensions were re-examined again by confirmatory factor analysis and Root Mean Square Error of Approximation (RMSEA), Root Mean Square Residual (RMR), Standardized Root Mean Square Residual (SRMR) χ2/sd, the Goodness of Fit Index (GFI), Adjusted Goodness of Fit Index (AGFI), Comparative Fit Index (CFI), Akaike's Information Criterion (AIC), and the Bayesian Information Criterion (BIC). RESULTS: In this assessment, Cronbach's Alpha value for the scale is = 0.95, and the sub-dimensions obtained by explanatory factor analysis are: (1) general anxiety and specific fear, (2) perfectionism and control, (3) social anxiety and adjustment disorder, (4) acute anxiety and trauma. The cut-off score for the scale is 16. As a result, it was determined that PASS-TR is an accurate method for the scanning of anxiety disorders in the perinatal period. CONCLUSION: PASS-TR can be validly and reliably used to scan for anxiety disorders amongst perinatal women.

Published
2019

6. Atrial natriuretic peptide and posterior pituitary neurohormone changes in patients with acute schizophrenia.

Author

Guzel, Derya, Yazici, Ahmet Bulent, Pek, Tugba Mutu, Doganay, Songul, Simsek, Alime Burcin Saykan, Saglam, Kadir, Turan, Caglar, and Yazici, Esra

Subjects
ATRIAL natriuretic peptides, NEUROHORMONES, SCHIZOPHRENIA, OXYTOCIN, DISEASE prevalence
Abstract

Objectives: Interactions between neuropeptides and psychiatric disorders have been investigated for many years. The aim of this study was to evaluate oxytocin (OXT), arginine-vasopressin (AVP), and atrial natriuretic peptide (ANP) and assess their interactions with each other, as well as investigate these changes with the manifestations of schizophrenia. Participants and methods: Thirty-four individuals having acute schizophrenia and 24 healthy individuals as the control group were included in the study. Positive and Negative Syndrome Scales, Global Assessment of Functionality score, and Clinical Global Impression (CGI) scores were measured. Serum hormone levels were analyzed using enzyme-linked immunosorbent assay and were compared with the clinical findings. Results: OXT levels were significantly lower and AVP levels were significantly higher in patients having acute schizophrenia than the control group. OXT was negatively correlated with Positive and Negative Syndrome Scales positive score and CGI score, while it was positively correlated with Global Assessment of Functionality score. AVP was negatively correlated with CGI score. ANP levels of the patients having schizophrenia were lower than the control group; however, there was no significant correlation with clinical findings. Conclusion: The obtained data indicate that the AVP level was higher, but OXT and ANP levels were lower in the patients having acute schizophrenia. Specifically OXT is related with reduced disease severity and increased functionality. [ABSTRACT FROM AUTHOR]

Published
2018
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7. Fabricating Graphene-Titanium

Author

Tuğba Mutuk and Mevlüt Gürbüz

Subjects
titanium, graphene, powder metallurgy, composite, titanyum, grafen, toz metalürjisi, kompozit, Technology, Engineering (General). Civil engineering (General), TA1-2040, Science, Science (General), Q1-390
Abstract

Titanium has the most useful properties of the metal are corrosion resistance strength-to-density ratio, the highest of any metallic element. In its unalloyed condition, titanium is as strong as some steels but less dense. Due to its good features titanium can be used in the composite as a matrix material. Titanium matrix composites (TiMCs) can be used in various industries such as automotive, airplanes and especially biomaterials. Today, as carbon reinforcing material carbon nanotube (CNT), graphite and graphene are used as reinforcing materials. The graphene has the most remarkable properties in this reinforced material due to its extraordinary mechanical features, low friction and high abrasion resistance. Composite materials produced by using titanium and graphene may have remarkable mechanical and microstructural properties. This is conspicuous subject in recent years. In the present study, graphene (Gr) reinforced titanium composites were produced by powder metallurgy method. The effect of various percentages of graphene (0-0,15-0,30-0,45-0,60 wt.%) on the microstructure, density, hardness and compressive strength of Ti composites have been investigated. From the mechanical tests after sintering at 1100oC for 120min. The highest hardness and the greatest compressive strength were obtained for 0,30 wt.% Gr reinforced composites (520.2 HV and 1137 MPa) when compared to pure titanium (419.8 HV and 780 MPa). The crystal phase and microstructure of the composites were detected by scanning electron microscopy (SEM) and X-ray diffractometer (XRD). Better mechanical properties were observed for Ti-Gr composite materials when compared pure Ti. These kinds of composites promise the future for using especially the field of biomaterials.

Published
2019
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8. Poster Presentations

Author

Arif Önder, Aslı Sürer Adanır, Öznur Bilaç, Canem Kavurma, Yakup Doğan, Şermin Yalın Sapmaz, Nurcan Bektaş Türkmen, Feyza Alyu Tekeş, Rana Arslan, Betül Kurtses Gürsoy, Büşra Öztürk, Yetiş Işıldar, Gülçin Bölük Uzunoğlu, Nuran Bilgen, Bilge Doğan, Ali Duman, Çağdaş Öykü Memiş, Oktay Kocabaş, Levent Sevinçok, Umut İrfan Üçel, Ümide Demir Özkay, Özgür Devrim Can, Kemal Akpınar, Osman İsmail Özdel, Sultan Taş Bora, Kadriye Buldukoğlu, Serdar Karatoprak, Yunus Emre Dönmez, Özlem Özcan, Hatice Altun, İdiris Altun, Ferhat Can Ardic, Samet Kose, Mustafa Solmaz, Filiz Kulacaoglu, Yasin Hasan Balcioglu, Yusuf Olğar, Belma Turan, Yusuf Öztürk, Volkan Gelegen, Lut Tamam, Şerife Aslan, Nevzat Çamlı, Osman Zülkif Topak, Selim Tümkaya, Figen Çulha Ateşci, Ozge Metin, Perihan Cam Ray, Gamze Yapca Kaypakli, Ezgi Eynalli, Aysegul Yolga Tahiroglu, Canan Kuygun Karci, Gonca Gul Celik, Alper Çimik, Feyza Alyu, Alper Zıblak, Ayşe Nur İnci Kenar, Nazlı Turan Yücel, Mustafa Burak Barbaros, Dilan Eker, Esen Çimen, İbrahim Gündoğmuş, Ayhan Algül, Abdulkadir Karagöz, Murat Kıyançiçek, Pelin Kalcı, Hakan Karaş, Aslıhan Polat, Zehra Alğan, Aslıhan Okan İbiloğlu, İbrahim İbiloglu, Dilek Aslaner, Mevlut Comlekci, Selim Sagir, Tuba Basoglu, Murat Eren Özen, Mehmet Hamdi Örüm, Aysun Kalenderoğlu, Gülümser Peltek, Salih Selek, Murad Atmaca, Mehmet Vural, Halef Aydın, Sedat Yılmaz, Ramazan İlyas Öner, Ayşe Sevgi Karadağ, Mahmut Zabit Kara, Miraç Barış Usta, Koray Karabekiroğlu, Berkan Şahin, Muazzez Aydın, Abdullah Bozkurt, Tolga Karaosman, Armağan Aral, Cansu Çobanoğlu, Ayşegül Duman Kurt, Neriman Kesim, İrem Şahin, Emre Ürer, Oğuzhan Bekir Eğilmez, Tijen Utkan, Tugce Demirtas Sahin, Semil Selcen Gocmez, Yusufhan Yazir, Feyza Aricioglu, Cangül Yurtdaş, Hacer Zortul, Bayram Yilmaz, Feyza Arıcıoğlu, Hatice Kübra Parlaktaş, Aylin Yaba Uçar, Bayram Yılmaz, Neslihan Kurtul, Asiye Arıcı, Ece Merve Yazar, Necati Uzun, Ömer Faruk Akça, İbrahim Kılınç, Tevfik Balcı, Ozge Bayru, Osman Bertizlioğlu, Funda Yiğit Yalçın, Abdullah Bolu, Hatice Akar, Mehmet Sinan Aydın, Ali Doruk, Tuğba Mutu, Esra Yazici, Derya Guzel, Atila Erol, Elvan Çiftçi, Heysem Kaya, Hüseyin Güleç, Albert Ali Salah, Tuğba Kalyoncu, Deniz Argüz Çıldır, Fazilet Ergüvendi, Ulkar Shamkhalova, Ezgi Eynallı Gok, Sakir Altunbasak, Seyda Besen Dogankoc, Nefise Hilal Cansever Ovetti, Özge Metin, and Ulkhar Shamkhalova

Subjects
Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Published
2018
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9. Outstanding Awards Brief Reports

Author

Ferhat Can Ardic, Samet Kose, Mustafa Solmaz, Filiz Kulacaoglu, Yasin Hasan Balcioglu, Emrah Yıldız, Gülçin Elboğa, Abdurrahman Altındağ, Mehmet Arslan, Ali Metehan Çalışkan, Duygu Göktaş, İkbal İnanlı, Saliha Çalışır, İbrahim Eren, Gokhan Unal, Feyza Aricioglu, Yasemin Yulaf, Funda Gümştaş, Sebla Gökçe, Yankı Yazgan, Çağdaş Öykü Memiş, Doğa Sevincok, Bilge Doğan, Ayşe Kutlu, Burcu Çakaloz, Levent Sevinçok, Tuğba Mutu, Esra Yazici, Derya Guzel, Atila Erol, Nazan Aydın, Hasan Mervan Aytaç, Doğan Yılmaz, Pınar Çetinay Aydın, Gökşen Yüksel Yalçın, Cana Canbay, Merve Terzioğlu, and Aysel Özer

Subjects
Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Published
2018
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10. Prediction of wear properties of graphene-Si3N4 reinforced titanium hybrid composites by artificial neural network

Author

Tuğba Mutuk, Mevlüt Gürbüz, and Halil Mutuk

Subjects
graphene, titanium, Si3N4, hybrid composite, wear rate, artificial neural network, Materials of engineering and construction. Mechanics of materials, TA401-492, Chemical technology, TP1-1185
Abstract

In this study, we have employed artificial neural network (ANN) method to predict wear properties of titanium hybrid composites produced by powder metallurgy (PM) method. Titanium (Ti) was used as a matrix materials and graphene nano-platelets (GNPs)-Si _3 N _4 were used as reinforcement materials in hybrid composites. A back-propagation neural network with 3-6-1 architecture was developed to predict wear rates by considering weight fraction reinforcements, load and density as model variables. The well trained ANN system predicted the experimental results in a good agreement with the experimental data. This refers that ANN can be used to evaluate wear rate of samples in a cost effective way.

Published
2020
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