Works matching AU ŞAHİN, Ömer

Results: 152

Using Digital Storytelling to Enhance the Pedagogical Content Knowledge of Prospective Secondary School Mathematics Teachers.

Published in:

International Journal for Mathematics Teaching & Learning, 2025, v. 25, n. 1, p. 61

By:

ŞAHİN, Ömer

Publication type:

Article

Topical tranexamic acid prevents scar tissue formation following craniectomy in a rat model.

Published in:

European Journal of Medical Research, 2025, v. 30, n. 1, p. 1, doi. 10.1186/s40001-025-02634-z

By:

Şahin, Ömer;
Taşcıoğlu, Tuncer;
Fırat, Ayşegül;
Sürücü, Hüseyin Selçuk;
Çaydere, Muzaffer

Publication type:

Article

Effects of plasma treatment, La content and temperature on the La–Ni–Mo–B catalysts for hydrogen production from NaBH 4 hydrolysis.

Published in:

Surface Engineering, 2017, v. 33, n. 7, p. 499, doi. 10.1080/02670844.2016.1271764

By:

Şahin, Ömer;
Ekinci, Arzu;
Balbay, Asım;
Saka, Cafer

Publication type:

Article

Enhancement in incident photon-to-current conversion efficiency of manganese-decorated activated carbon-supported cadmium sulfide nanocomposite.

Published in:

Journal of Materials Science: Materials in Electronics, 2022, v. 33, n. 20, p. 16286, doi. 10.1007/s10854-022-08521-1

By:

Batur, Ebru;
Baytar, Orhan;
Horoz, Sabit;
Şahin, Ömer;
Kutluay, Sinan

Publication type:

Article

An efficient synergistic Co@CQDs catalyst for hydrogen production from the hydrolysis of NH3BH3.

Published in:

Journal of Materials Science: Materials in Electronics, 2021, v. 32, n. 23, p. 27251, doi. 10.1007/s10854-021-07094-9

By:

Onat, Erhan;
Şahin, Ömer;
İzgi, Mehmet Sait;
Horoz, Sabit

Publication type:

Article

Facile synthesis and comprehensive characterization of Ni-decorated amine groups-immobilized Fe3O4@SiO2 magnetic nanoparticles having enhanced solar cell efficiency.

Published in:

Journal of Materials Science: Materials in Electronics, 2021, v. 32, n. 13, p. 18192, doi. 10.1007/s10854-021-06361-z

By:

Ece, Mehmet Şakir;
Ekinci, Arzu;
Kutluay, Sinan;
Şahin, Ömer;
Horoz, Sabit

Publication type:

Article

Investigation of the properties of photocatalytically active Cu-doped Bi2S3 nanocomposite catalysts.

Published in:

Journal of Materials Science: Materials in Electronics, 2020, v. 31, n. 13, p. 10347, doi. 10.1007/s10854-020-03582-6

By:

Demir, Halil;
Şahin, Ömer;
Baytar, Orhan;
Horoz, Sabit

Publication type:

Article

Chemical bath deposition of Co-doped PbS thin films for solar cell application.

Published in:

Journal of Materials Science: Materials in Electronics, 2020, v. 31, n. 2, p. 1210, doi. 10.1007/s10854-019-02632-y

By:

Ekinci, Arzu;
Şahin, Ömer;
Horoz, Sabit

Publication type:

Article

Use of low-cost Zn(II) complex efficiently in a dye-sensitized solar cell device.

Published in:

Journal of Materials Science: Materials in Electronics, 2019, v. 30, n. 12, p. 11464, doi. 10.1007/s10854-019-01497-5

By:

Kilinc, Dilek;
Şahin, Ömer;
Horoz, Sabit

Publication type:

Article

Synthesis of PbS:Mo(3%) thin film and investigation of its properties.

Published in:

Journal of Materials Science: Materials in Electronics, 2019, v. 30, n. 8, p. 7600, doi. 10.1007/s10854-019-01075-9

By:

Şahin, Ömer;
Ekinci, Arzu;
Horoz, Sabit

Publication type:

Article

Potasyum Borhidrürün Formik Asit Katalizörü Varlığındaki Hidrolizi.

Published in:

Journal of Advanced Research in Natural & Applied Sciences, 2024, v. 10, n. 2, p. 464, doi. 10.28979/jarnas.1409809

By:

Kenar, Mehmet Emre;
Şahin, Ömer;
Güner, Fatma Elif Genceli

Publication type:

Article

Primary cardiac lymphoma presenting with wide QRS tachycardia: a case report.

Published in:

2025

By:

Şahin, Ömer;
Tanriverdi, Halime;
Seber, Turgut;
Taşdemir, Arzu

Publication type:

Case Study

Highly improved solar cell efficiency of Mn‐doped amine groups‐functionalized magnetic Fe3O4@SiO2 nanomaterial.

Published in:

International Journal of Energy Research, 2021, v. 45, n. 14, p. 20176, doi. 10.1002/er.7097

By:

Kutluay, Sinan;
Horoz, Sabit;
Şahin, Ömer;
Ekinci, Arzu;
Ece, Mehmet Şakir

Publication type:

Article

Surgical outcome of laminoplasty for cervical spondylotic myelopathy: a singleinstitution experience.

Published in:

Turkish Journal of Medical Sciences, 2021, v. 51, n. 6, p. 2887, doi. 10.3906/sag-2102-308

By:

TÜRKOĞLU, M. Erhan;
GÜLMEZ, Ahmet;
ELBİR, Çağirı;
ŞAHİN, Ömer Selçuk;
HANALİOĞLU, Şahin;
DİNÇ, Samet;
TÖNGE, Çağhan;
KALAN, Mehmet

Publication type:

Article

Does the volume overload exaggerate the severity of mitral regurgitation in patients with decompensated heart failure?

Published in:

Turkish Journal of Medical Sciences, 2020, v. 50, n. 6, p. 1552, doi. 10.3906/sag-2001-220

By:

SAVAŞ, Göktuğ;
ŞAHİN, Ömer;
YAŞAN, Mustafa;
KARABIYIK, Uğur;
KALAY, Nihat;
DOĞAN, Ali;
ELMALI, Ferhan;
OĞUZHAN, Abdurrahman

Publication type:

Article

Comparison of the effects of PEEP levels on respiratory mechanics and elimination of volatile anesthetic agents in patients undergoing laparoscopic cholecystectomy; a prospective, randomized, clinical trial.

Published in:

Turkish Journal of Medical Sciences, 2016, v. 46, n. 4, p. 1071, doi. 10.3906/sag-1505-25

By:

ARINALP, Hüsnü Mert;
BAKAN, Nurten;
KARAÖREN, Gülşah;
ŞAHİN, Ömer Torun;
ÇELİKSOY, Emre

Publication type:

Article

A comprehensive new study on the removal of Pb (II) from aqueous solution by şırnak coal-derived char.

Published in:

Environmental Technology, 2021, v. 42, n. 3, p. 505, doi. 10.1080/09593330.2020.1811397

By:

Batur, Ebru;
Baytar, Orhan;
Kutluay, Sinan;
Horoz, Sabit;
Şahin, Ömer

Publication type:

Article

Core–shell doping of cerium oxide with (Cr–Fe/Co)-B catalyst for enhanced hydrogen evolution in borohydride hydrolysis systems: performance and catalytic efficiency.

Published in:

Research on Chemical Intermediates, 2025, v. 51, n. 5, p. 2435, doi. 10.1007/s11164-025-05571-y

By:

Şahin, Ömer;
Ceyhan, Ayhan Abdullah;
Lakhali, Houssem

Publication type:

Article

Öğretmen Adaylarının Kesirlerle İlgili Pedagojik Alan Bilgilerinin Öğrenci Hataları Açısından İncelenmesi.

Published in:

International Online Journal of Educational Sciences, 2013, v. 5, n. 3, p. 719

By:

Gökkurt, Burçin;
Şahin, Ömer;
Soylu, Yasin;
Soylu, Cevat

Publication type:

Article

An Investigation of Preschool Teacher Candidates' Content Knowledge on Angular Shapes.

Published in:

Necatibey Faculty of Education Electronic Journal of Science & Mathematics Education, 2019, v. 13, n. 2, p. 588, doi. 10.17522/balikesirnef.512595

By:

KORKMAZ, Halil İbrahim;
ŞAHİN, Ömer

Publication type:

Article

Mathematics Textbooks Research Trends in Turkey.

Published in:

Necatibey Faculty of Education Electronic Journal of Science & Mathematics Education, 2019, v. 13, n. 1, p. 328, doi. 10.17522/balikesirnef.508802

By:

ŞAHİN, Ömer;
BAŞGÜL, Murat

Publication type:

Article

ROLL-BOND HEAT EXCHANGER (RHE) DESIGN AND APPLICATION TO A CHOCOLATE COOLING TUNNEL - A NUMERICAL STUDY.

Published in:

Advanced Engineering Letters, 2023, v. 2, n. 4, p. 161, doi. 10.46793/adeletters.2023.2.4.4

By:

Tazegül, Abdullah Sadık;
Şahin, Ömer Sinan;
Okumuşer, Osman

Publication type:

Article

COMPARISON OF TWO DIFFERENT WAFER BAKING PLATE LOCKING MECHANISMS IN WAFER FURNACES IN TERMS OF STRESSES.

Published in:

Advanced Engineering Letters, 2023, v. 2, n. 1, p. 8, doi. 10.46793/adeletters.2023.2.1.2

By:

Tazegül, Abdullah Sadık;
Şahin, Ömer Sinan

Publication type:

Article

EFFECT OF GEOMETRY UPON COOLING CHARACTERISTICS OF WAFER BLOCK COOLERS.

Published in:

Advanced Engineering Letters, 2023, v. 2, n. 1, p. 1, doi. 10.46793/adeletters.2023.2.1.1

By:

Bitkin, Mesut;
Tazegül, Abdullah Sadık;
Okumuşer, Osman;
Şahin, Furkan;
Ekin, Abdurrahman;
Şahin, Ömer Sinan

Publication type:

Article

Development and Treatment of CSF Fistula, Post-Operative Headache, Cerebellar Ptosis In 62 Patients Who Underwent Posterior Fossa Cranioplasty or Not Following Posterior Fossa Surgery.

Published in:

Sakarya Tıp Dergisi, 2023, v. 13, n. 1, p. 141, doi. 10.31832/smj.1220796

By:

Yaldız, Can;
Türk, Okan;
Tahmazoğlu, Burak;
Şahin, Ömer Faruk;
Baran, Özgür;
Karaoğlu, Adil Can;
Ambarcıoğlu, Mehmet Akif;
Kaya, Mustafa;
Yaldız, Davut Ceylan8Can;
Ceylan, Davut

Publication type:

Article

Investigating the effect of history-of-mathematics activities on middle-grade students' mental computation and opinions: an action research.

Published in:

International Journal of Mathematical Education in Science & Technology, 2022, v. 53, n. 9, p. 2281, doi. 10.1080/0020739X.2020.1857859

By:

Şahin, Ömer;
Danaci, Dönsel

Publication type:

Article

Examining prospective mathematics teachers' pedagogical content knowledge on fractions in terms of students' mistakes.

Published in:

International Journal of Mathematical Education in Science & Technology, 2016, v. 47, n. 4, p. 531, doi. 10.1080/0020739X.2015.1092178

By:

Şahin, Ömer;
Gökkurt, Burçin;
Soylu, Yasin

Publication type:

Article

Tam Sayılar Konusunun Öğretiminde Yaşanan Zorluklar ve Çözüm Önerileri.

Published in:

Erzincan University Journal of Education Faculty / Erzincan Üniversitesi Egitim Fakültesi Dergisi, 2015, v. 17, n. 1, p. 97, doi. 10.17556/jef.08506

By:

GÖKKURT, Burçin;
BAŞIBÜYÜK, Kani;
ŞAHİN, Ömer;
SOYLU, Yasin;
ERDEM, Emrullah

Publication type:

Article

Preservice Preschool Teachers' Pedagogical Content Knowledge on Geometric Shapes in Terms of Children's Mistakes.

Published in:

Journal of Research in Childhood Education, 2020, v. 34, n. 3, p. 385, doi. 10.1080/02568543.2019.1701150

By:

Korkmaz, Halil Ibrahim;
Şahin, Ömer

Publication type:

Article

Preparation and TG/DTG, FT-IR, SEM, BET Surface Area, Iodine Number and Methylene Blue Number Analysis of Activated Carbon from Pistachio Shells by Chemical Activation.

Published in:

International Journal of Chemical Reactor Engineering, 2018, v. 16, n. 2, p. 1, doi. 10.1515/ijcre-2017-0060

By:

Kaya, Mustafa;
Şahin, Ömer;
Saka, Cafer

Publication type:

Article

Hydrogen Production by Hydrolysis of NaBH4 with Cr-Ni-W-B Catalyst: Effects of Cold Plasma and Chromium Content.

Published in:

International Journal of Chemical Reactor Engineering, 2016, v. 14, n. 1, p. 351, doi. 10.1515/ijcre-2015-0139

By:

Şahin, Ömer;
Saka, Cafer;
Ekinci, Arzu;
Balbay, Asım

Publication type:

Article

Bronz ve dökme demir talaşlarının geri dönüştürülmesiyle prizmatik şekilli makine elemanı üretimi ve mekanik karakterizasyonu.

Published in:

Journal of the Faculty of Engineering & Architecture of Gazi University / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi,, 2018, v. 33, n. 3, p. 1013, doi. 10.17341/gazimmfd.416402

By:

Aslan, Abdullah;
Salur, Emin;
Güneş, Aydın;
Şahin, Ömer Sinan;
Karadağ, Hakan Burak;
Akdemir, Ahmet

Publication type:

Article

Bronz ve dökme demir talaşlarının geri dönüştürülmesiyle prizmatik şekilli makine elemanı üretimi ve mekanik karakterizasyonu.

Published in:

Journal of the Faculty of Engineering & Architecture of Gazi University / Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi,, 2018, n. 2018, p. 1, doi. 10.17341/gazimmfd.416402

By:

Aslan, Abdullah;
Salur, Emin;
Güneş, Aydın;
Şahin, Ömer Sinan;
Karadağ, Hakan Burak;
Akdemir, Ahmet

Publication type:

Article

Hydrogen production through the cooperation of a catalyst synthesized in ethanol medium and the effect of the plasma.

Published in:

Energy Sources Part A: Recovery, Utilization & Environmental Effects, 2023, v. 45, n. 3, p. 8271, doi. 10.1080/15567036.2019.1677814

By:

Izgi, Mehmet Sait;
Onat, Erhan;
Çelik Kazici, Hilal;
Şahin, Ömer

Publication type:

Article

Modeling of Drying Process of Bittim Nuts (pistacia terebinthus) in a Fixed Bed Dryer System by Using Extreme Learning Machine.

Published in:

International Journal of Food Engineering, 2012, v. 8, n. 4, p. -1, doi. 10.1515/1556-3758.2737

By:

Balbay, Asım;
Avci, Engin;
Şahin, Ömer;
Coteli, Resul

Publication type:

Article

Kronik Hepatit B Tedavisinde Kullanılan Tenofovir Disoproksil Fumarat ve Entekavirin Vestibülokoklear Toksisitesinin Klinik Olarak Araştırılması.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2024, v. 13, p. 73

By:

Şahin, Ömer;
Gül, Serdar;
Muluk, Nuray Bayar;
Taş, Burak Mustafa;
Azman, Musa

Publication type:

Article

Kırıkkale Üniversitesi Tıp Fakültesi Hastanesi'nde Son İki Yılda Tespit Edilen Enterokoklarda Ampisilin Direnç Oranlarının Araştırılması.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2024, v. 13, p. 275

By:

Çetin, Adnan;
Şahin, Ömer;
Arslan, Ferhat;
Gül, Serdar;
Kaçmaz, Birgül;
Tuna, Ayşegül

Publication type:

Article

Farklı Klinik Şiddetteki COVID-19 Hastalarında Nötralizan Antikorların Belirlenmesi ve Uzun Süreli .İzlenmesi.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2022, v. 11, p. 123

By:

Kaygusuz, Sedat;
Korukluoğlu, Gülay;
Coşgun, Yasemin;
Şahin, Ömer;
Arslan, Ferhat

Publication type:

Article

Solunum Yolu Enfeksiyonlu Hastalarda Viral Etkenlerin 2019-2022 Yılları Arasındaki Prevalansı ve Mevsimlere Göre Dağılımı.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2022, v. 11, p. 426

By:

Tuncel, Burçin;
Akkuş, İlknur;
Şahin, Ömer;
Arslan, Ferhat;
Gül, Serdar;
Kaygusuz, Sedat

Publication type:

Article

Toplum Kaynaklı Üriner Sistem Enfeksiyonlu Hastalarda Klebsiella pneumoniae Suşlarının Duyarlılıkları.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2022, v. 11, p. 425

By:

Arslan, Ferhat;
Şahin, Ömer;
Siyfi, Akgün;
Kaygusuz, Sedat;
Gül, Serdar;
Kaçmaz, Birgül

Publication type:

Article

Kırıkkale Üniversitesi Tıp Fakültesi Hastanesinde Son Üç Yılda Kan Kültürlerinde Üretilen Bazı Etkenler ve Direnç Durumları .

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2022, v. 11, p. 425

By:

Akkuş, İlknur;
Tuncel, Burçin;
Şahin, Ömer;
Arslan, Ferhat;
Kaçmaz, Birgül;
Kaygusuz, Sedat

Publication type:

Article

Kırıkkale Üniversitesi Tıp Fakültesi Hastanesi’nde Son İki Yılda Tespit Edilen Enterokok Türleri ve Antibiyotik Dirençleri.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2022, v. 11, p. 418

By:

Cebeci, Beyza;
Tuncel, Burçin;
Akkuş, İlknur;
Şahin, Ömer;
Kaygusuz, Sedat

Publication type:

Article

Menenjiti Taklit Eden Piyojenik Karaciğer Apsesi Olgusu.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2022, v. 11, p. 416

By:

Şahin, Ömer;
Gül, Serdar;
Tuncel, Burçin;
Cebeci, Beyza

Publication type:

Article

Akciğer Adenokarsinom Tanılı Hastada A. denitrificans'a Bağlı Toplum Kökenli Pnömoni Olgusu.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2021, p. 149

By:

Arslan, Ferhat;
Tuncel, Burçin;
Akkuş, İlknur;
Şahin, Ömer;
Gül, Serdar;
Kaygusuz, Sedat

Publication type:

Article

RSV Pnömonisi Olgu Sunumu.

Published in:

Mediterranean Journal of Infection, Microbes & Antimicrobials, 2021, p. 151

By:

Şahin, Ömer;
Akkuş, İlknur;
Ayaşlıoğlu, Ergin;
Aydın, Gülçin;
Kaygusuz, Sedat

Publication type:

Article

Hydrogen Production by Catalytic Hydrolysis of Sodium Borohydride with a Bimetallic Solid-State Co-Fe Complex Catalyst.

Published in:

Separation Science & Technology, 2015, v. 50, n. 13, p. 2051, doi. 10.1080/01496395.2015.1016040

By:

Şahin, Ömer;
Kilinç, Dilek;
Saka, Cafer

Publication type:

Article

Preparation of High Surface Area Activated Carbon from Elaeagnus angustifolia Seeds by Chemical Activation with ZnCl 2 in One-Step Treatment and its Iodine Adsorption.

Published in:

Separation Science & Technology, 2015, v. 50, n. 6, p. 886, doi. 10.1080/01496395.2014.966204

By:

Şahin, Ömer;
Saka, Cafer;
Ceyhan, Ayhan Abdullah;
Baytar, Orhan

Publication type:

Article

Removal of Methylene Blue from Aqueous Solutions by using Cold Plasma, Microwave Radiation and Formaldehyde Treated Acorn Shell.

Published in:

Separation Science & Technology, 2012, v. 47, n. 10, p. 1542, doi. 10.1080/01496395.2011.652284

By:

Saka, Cafer;
Şahin, Ömer;
Adsoy, Hamdullah;
Akyel, Şirin M.

Publication type:

Article

Matematik Öğretmeni Adaylarının Ölçme ve Değerlendirme Bilgi Gelişimleri.

Published in:

Journal of Theoretical Educational Science / Kuramsal Eğitimbilim Dergisi, 2019, v. 12, n. 2, p. 47, doi. 10.30831/akukeg.335187

By:

ŞAHİN, Ömer;
SOYLU, Yasin

Publication type:

Article

Synthesis, characterization, molecular docking and in vitro screening of new metal complexes with coumarin Schiff base as anticholine esterase and antipancreatic cholesterol esterase agents.

Published in:

Journal of Biomolecular Structure & Dynamics, 2022, v. 40, n. 10, p. 4460, doi. 10.1080/07391102.2020.1858163

By:

Şahin, Ömer;
Özmen Özdemir, Ümmühan;
Seferoğlu, Nurgül;
Adem, Şevki;
Seferoğlu, Zeynel

Publication type:

Article