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12 results for "Burak Karadag"

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  1. Journal Article

    Time-Resolved Wall Ion Flux Linked to Discharge Current Oscillations in an SPT-100-Type Electric Thruster

    Burak Karadag

    Sakarya University Journal of Computer and Information Sciences, Vol. 9 No. 1 · 2026 · English · DOAJ Scopus

    An SPT-100-type electric thruster is simulated at nominal operating conditions using a two-dimensional, axisymmetric, fully kinetic particle-in-cell/Monte Carlo collision (PIC/MCC) plasma model. The model reproduces PIVOINE facility measurements, predicting a thrust and discharge current of 77.2 mN…

  2. Journal Article

    Comparison of reproductive outcomes after laparoscopic tubal anastomosis using conventional (non-barbed) sutures and barbed sutures

    Ceyda Karadag; Burak Karadag

    BMC Surgery, Vol. 25 No. 1 · 2025 · English · DOAJ Scopus

    Abstract Purpose This study aimed to compare reproductive outcomes after laparoscopic tubal anastomosis using conventional (non-barbed) and barbed sutures. Methods This retrospective cohort study was conducted at a single center between January 2016 and December 2021. Thirty-nine women undergoing…

  3. Journal Article

    Production and Mechanical Properties of Bronze/Steel Chips Composite Materials Produced by Direct Recycling

    Hakan Burak Karadag; Ahmet Akdemir

    Hittite Journal of Science and Engineering, Vol. 6 No. 2 · 2019 · English · DOAJ

    In this study, a novel method for the direct conversion of bronze CuSn10 and steel S355JR chips into finished products without melting is introduced. CuSn10 bronze and S355JR steel chips were used as the constituents for the composite materials. The chips were first pressed at room temperature and…

  4. Journal Article

    The relationship between HPV persistence and vaginal microbiotas in high risk-human papillomavirus positive patients

    Gulce Nur Ozunlu; Burak Karadag; Erinc Tekin

    Ginekologia Polska, Vol. 97 No. 8 · 2026 · English · DOAJ Scopus

    OBJECTIVES: To investigate whether vaginal microbiota (VM) composition is associated with high-risk human papillomavirus (HR-HPV) persistence. MATERIAL AND METHODS: Ethics committee approval was obtained on March 7, 2024. Following completion of the two-year prospective clinical follow-up, data…

  5. Journal Article

    An Experimental Study on Flow Control at Low Reynolds Numbers Using DBD Plasma Actuators on NACA 4412 Airfoil

    Gokcen Jurnal; Cem Kolbakir; Burak Karadag et al.

    Havacılık ve Uzay Teknolojileri Dergisi, Vol. 18 No. 1 · 2025 · English · DOAJ

    Flow separation is a crucial issue in aeronautics and astronautics, particularly at low Reynolds numbers. Active flow control (AFC) techniques show promise in addressing this problem. However, further research is needed to fully integrate these systems onto air vehicles. Due to their low weight…

  6. Journal Article

    Pregnancy outcomes following fluoroscopy-guided tubal recanalization: a comparison of spontaneous conception and intrauterine insemination—a retrospective cohort study

    Ceyda Karadag; Burak Karadag; Emine Yildiz Kugu Kesen et al.

    Scientific Reports, Vol. 15 No. 1 · 2025 · English · DOAJ Scopus

    Abstract To evaluate and compare pregnancy outcomes following successful fluoroscopy-guided tubal recanalization (FGTR), focusing on spontaneous conception versus intrauterine insemination (IUI). This retrospective cohort study included 139 women aged 21–40 years who underwent FGTR for tubal…

  7. Journal Article

    Effectiveness of Different Treatment Modalities in Postmenopausal Women with Osteopenia and Osteoporosis

    Berfu Demir; Enis Özkaya; Nilgün Öztürk et al.

    Gynecology Obstetrics & Reproductive Medicine, Vol. 15 No. 3 · 2009 · English · DOAJ

    OBJECTIVE: The aim of this study was to evaluate the efficacy of different antiresorptive agents and hormone therapy (HT) on T score and to compare their effectiveness with each other. STUDY DESIGN: Medical records of 1073 postmenopausal women were reviewed. Patients were classified into four…

  8. Journal Article

    The prevalence of Group B Streptococcus rectovaginal colonization and antimicrobial susceptibility pattern in Turkish and Syrian pregnant women

    Emine Kirtis; Burak Karadag; Aysel Uysal et al.

    Ginekologia Polska, Vol. 96 No. 6 · 2025 · English · DOAJ Scopus

    OBJECTIVES: Colonization with Group B Streptococcus (GBS) during pregnancy can lead to invasive GBS disease (iGBS) in neonates, including meningitis, pneumonia or sepsis, which carries a high mortality risk. American College of Obstetricians and Gynecologists (ACOG) recommends universal GBS…

  9. Journal Article

    Is pregnancy associated plasma protein-A (PAPP-A) a marker for adverse perinatal outcomes in preterm isolated oligohydramnios cases?

    Gulten Ozgen; Burcu Dincgez Cakmak; Betul Dundar et al.

    Taiwanese Journal of Obstetrics & Gynecology, Vol. 57 No. 1 · 2018 · English · DOAJ Scopus

    Objective: Isolated oligohydramnios is defined as an amniotic fluid index below five centimeter with no other coexisting condition. There are still controversies about the management and pregnancy outcomes. A marker predicting these is crucial. Low pregnancy associated plasma protein-A levels were…

  10. Journal Article

    Successful Treatment of Uterine Arteriovenous Malformation due to Uterine Trauma

    Burak Karadag; Onur Erol; Ozgur Ozdemir et al.

    Case Reports in Obstetrics and Gynecology, Vol. 2016 · 2016 · English · DOAJ Scopus

    Uterine arteriovenous malformation (AVM) is defined as abnormal and nonfunctional connections between the uterine arteries and veins. Although the patients typically present with vaginal bleeding, some patients may experience life-threatening massive bleeding in some circumstances. The treatment of…

  11. Journal Article

    The role of anti-Mullerian hormone in predicting the response to clomiphene citrate in unexplained infertility

    Bora Coskun; Berna Dilbaz; Burak Karadag et al.

    Taiwanese Journal of Obstetrics & Gynecology, Vol. 57 No. 5 · 2018 · English · DOAJ Scopus

    Objective: To determine the role of anti-Mullerian hormone (AMH) levels in predicting the response to clomiphene citrate (CC) therapy for ovulation induction in women with unexplained infertility. Materials and methods: For this retrospective study, fifty consecutive patients who responded to CC…

  12. Journal Article

    McCall culdoplasty vs. vaginally assisted laparoscopic sacrocolpopexy in the treatment of advanced uterine prolapse: A randomized controlled study

    Burak Karadag; Barış Mulayim; Ceyda Karadag et al.

    Taiwanese Journal of Obstetrics & Gynecology, Vol. 62 No. 2 · 2023 · English · DOAJ Scopus

    Objective: The primary aim of this study was to compare the anatomic outcomes of vaginally assisted laparoscopic sacrocolpopexy (VALS) with those of McCall culdoplasty (McCC) in patients undergoing concurrent vaginal hysterectomy. Materials and methods: This randomized controlled study presents the…