Hüseyi̇n Demi̇rel

ORCID: 0000-0001-7378-5599
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About
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Research Areas
  • Urological Disorders and Treatments
  • Kidney Stones and Urolithiasis Treatments
  • Pediatric Urology and Nephrology Studies
  • earthquake and tectonic studies
  • GNSS positioning and interference
  • Geophysics and Gravity Measurements
  • Urinary Bladder and Prostate Research
  • Urologic and reproductive health conditions
  • Prostate Cancer Diagnosis and Treatment
  • Ureteral procedures and complications
  • Analog and Mixed-Signal Circuit Design
  • Genital Health and Disease
  • Earthquake Detection and Analysis
  • Bone fractures and treatments
  • High-pressure geophysics and materials
  • Renal and Vascular Pathologies
  • Hip and Femur Fractures
  • Prostate Cancer Treatment and Research
  • Renal cell carcinoma treatment
  • Traumatic Ocular and Foreign Body Injuries
  • Advancements in Semiconductor Devices and Circuit Design
  • Pelvic floor disorders treatments
  • Renal and related cancers
  • Radiation Dose and Imaging
  • Thermoregulation and physiological responses

Karabük University
2007-2024

Ankara Yıldırım Beyazıt University
2024

Ankara University
2024

Sağlık Bilimleri Üniversitesi
2021-2023

Şişli Etfal Eğitim ve Araştırma Hastanesi
2018-2023

University of Health Sciences Antigua
2021-2023

State Hospital
2023

Al-Nisour University College
2023

University of Kirkuk
2023

Istanbul Aydın University
2023

This research paper presents the design of an active current mode device named Z-copy- Current Differencing Transconductance Amplifier (ZC-CDTA) in conjunction with FinFET (Fin Field-Effect Transistor) transistors. An input bias can be used to adjust its parasitic resistances at two ports. It is ideal for use current-mode signal processing, which steadily more common than voltage-style because it operates on all terminals. The suggested component was implemented using Finfet technology, and...

10.30574/gjeta.2024.18.2.0019 article EN cc-by Global Journal of Engineering and Technology Advances 2024-02-07

This paper provides a 3rd order oscillator circuit utilizing CDCTA (Current Differencing Cascaded Trans conductance Amplifiers) to address issues with high power consumption and low oscillation frequency in oscillators. The suggested arrangement four explicit current outputs two voltage concurrently using just one three grounded passive capacitors. only uses 1 mW of power, has maximum sensitivity 0.5, oscillates at up 10 MHz Additionally, both its condition may be electrically independently...

10.29109/gujsc.1290137 article EN cc-by-sa Gazi Üniversitesi Fen Bilimleri Dergisi Part C Tasarım ve Teknoloji 2023-08-24

For several decades, the development of metal-oxide-semiconductor field-effect transistors have made available to us better circuit time and efficiency per function with each successive generation CMOS technology. However, basic product manufacturing technology limitations will make continuing transistor scaling difficult in sub-32 nm zone. Field impact fins were developed. offered as a viable solution scalability difficulties. Fin field effect can be same way regular transistors, allowing...

10.17993/3ctic.2023.121.65-81 article EN 3C TIC Cuadernos de desarrollo aplicados a las TIC 2023-03-31

In this article, we integrate a Fin Field Effect Transistor with high-k insulators to investigate the optimal design for chemical field effect transistors in order give higher inductance (resulting transmission relationship), improved amplitude, and outcome-based substance. pH sensing was utilised test design. We investigated responsiveness linearity of silicon dioxide, oxide, hafnium oxide as pH-sensing electromagnetic materials, well their resistance various acids. The device’s huge...

10.5377/nexo.v36i06.17445 article EN cc-by-nc-nd Nexo Revista Científica 2023-12-31

To determine the bacterial colonisation after double-J stent use and risk factors for bacteriuria linked to stent.A total of 102 patients (61 men 41 women, mean age 47.5 ± 14.16) were examined. The stents removed under aseptic conditions, a urine culture was obtained before removal stents. After removed, upper, central lower sections separated, washing water sent through stent.Bacterial found in 29.4% (30 102) most frequently observed microorganisms determined as staphylococcus, coagulase...

10.4081/aiua.2015.4.291 article EN cc-by-nc Archivio Italiano di Urologia e Andrologia 2016-01-14

We aimed to compare the effectiveness of holmium YAG laser and pneumatic lithotripsy in treatment ureteral stones.A total 216 patients who had established indications ureteroscopy between November 2011 June 2012 were included this study. Patients' files retrospectively reviewed by dividing cases as groups that underwent (PL) or (LL) procedures. Age, sex, stone burden localization, duration follow-up, operative times evaluated. Stone-free rates evaluated ureteroscopical examination,...

10.5152/tud.2014.46548 article EN Türk üroloji dergisi 2014-09-04

Purpose: This study aimed to compare functional recovery and change in morbidity status from the preoperative levels among patients who underwent two different surgical treatments for unstable intertrochanteric fracture. Methods: retrospective comparative enrolled 140 (aged >80 years) were referred hospitals. Of these, 64 treated using proximal femoral nail (PFN) 76 hemiarthroplasty (HA). To evaluate recovery, primary outcome measures cumulative illness rating scale (CIRS) score changes...

10.1177/2309499019864426 article EN cc-by-nc Journal of orthopaedic surgery 2019-07-28

In 2019, more than 16% of the globe’s total production electricity was provided by hydroelectric power plants. The core a typical plant is turbine. Turbines are subjected to high levels pressure, vibration, temperatures, and air gaps as water passes through them. Turbine blades weighing several tons break due this surge, tragic accident because massive damage they cause. This research aims develop predictive models accurately predict status plants based on real stored data for all factors...

10.3390/en17225599 article EN cc-by Energies 2024-11-09

Two patients came to the emergency department with sudden-onset abdominal pain. The first case was a 20-year-old male; contrast-enhanced computed tomography (CT) scan revealed 17 cm x 7 hematoma in abdomen and left retroperitoneal space. Furthermore, kidney not visualized by CT. With an emergent diagnostic laparotomy, etiology of bleeding determined be atrophic-hydronephrotic rupture. Thus, nephrectomy performed. second 38-year-old male history chronic hypertension; CT 6 perirenal hematoma....

10.7759/cureus.15332 article EN Cureus 2021-05-30

A long-range geoid testing procedure is presented using a geometrical profile, which extends in an approximate north–south direction between the Mediterranean and Black Sea. Along first-order leveling line of Turkish National Vertical Control Network (TNVCN), 47 benchmarks at 20–25km intervals were selected as global positioning satellite (GPS)-leveling control points with known Helmert orthometric heights. The profile computed from GPS-leveling data was compared national Geoids 1991 (TG91)...

10.1061/(asce)0733-9453(2006)132:1(15) article EN Journal of Surveying Engineering 2006-01-17

10.1016/j.jastp.2008.03.010 article EN Journal of Atmospheric and Solar-Terrestrial Physics 2008-04-11

To investigate the relationship between failure to insert a ureteral access sheath (UAS) with inflammation and other clinical parameters in patients treated flexible ureteroscopy for renal stones.This study included who underwent treatment of stones our centre 2015 2020. Patients any surgical procedure on ipsilateral ureter had history spontaneous stone passage were excluded. divided into two groups based UAS insertion success (group 1) or 2). Both compared view characteristics, preoperative...

10.1055/a-1378-2495 article DE Aktuelle Urologie 2021-12-21
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