Oğuzhan Yücel
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View article: Disorder-Engineered Hybrid Plasmonic Cavities for Emission Control of Defects in hBN
Disorder-Engineered Hybrid Plasmonic Cavities for Emission Control of Defects in hBN Open
Defect-based quantum emitters in hexagonal boron nitride (hBN) are promising building blocks for scalable quantum photonics due to their stable single-photon emission at room temperature. However, enhancing their emission intensity and con…
View article: Relationship Between Epicardial Adipose Tissue and Atrial Fibrillation in Heart Failure With Preserved Ejection Fraction
Relationship Between Epicardial Adipose Tissue and Atrial Fibrillation in Heart Failure With Preserved Ejection Fraction Open
These findings indicate that increased EAT thickness is independently associated with AF in HFpEF patients, highlighting its potential as a biomarker for AF risk stratification. Future studies should explore whether targeting EAT could imp…
View article: A Mediational Evaluation of Smartphone Addiction Effect on Insomnia and Sleepiness in Adolescents and Young Adults
A Mediational Evaluation of Smartphone Addiction Effect on Insomnia and Sleepiness in Adolescents and Young Adults Open
Objective: Good sleep quality is an important factor for a healthy life. The aim of this study was to investigate the factors affecting insomnia and daytime sleepiness in adolescents and young adults. Materials and Methods: This cross-sect…
View article: Excitons under large pseudomagnetic fields
Excitons under large pseudomagnetic fields Open
Excitons in Transition Metal Dichalcogenides (TMDs) acquire a spin-like quantum number, a pseudospin, originating from the crystal's discrete rotational symmetry. Here, we break this symmetry using a tunable uniaxial strain, effectively ge…
View article: Evaluation of Atrial Electromechanical Delay in Patients with Esophagitis
Evaluation of Atrial Electromechanical Delay in Patients with Esophagitis Open
Background: Atrial electromechanical delay (EMD) is an important echocardiographic marker associated with the development of atrial arrhythmias. Although the relationship between esophagitis and arrhythmias has been hypothesized, the impac…
View article: Strain activation of localized states in WSe2
Strain activation of localized states in WSe2 Open
Single-photon emission centers generated by controlled atomic force microscopy (AFM) indentation in monolayer WSe\(_2\) on a flexible polymer substrate are explored for applications in quantum technologies. Here, we study the response of t…
View article: The Relationship Between Atrial Fibrillation and Parathyroid Hormone in Heart Failure Outpatients
The Relationship Between Atrial Fibrillation and Parathyroid Hormone in Heart Failure Outpatients Open
Background Atrial fibrillation (AF) is a common arrhythmia in heart failure (HF). Plasma concentrations of parathyroid hormone (PTH) have been shown to increase in HF. The relationship between PTH concentrations and the presence of AF in …
View article: Predictive value of nesfatin-1 in heart failure mortality
Predictive value of nesfatin-1 in heart failure mortality Open
Objectives Advanced heart failure is the last stage of heart failure in which the life expectancy of patients is significantly reduced. Many mortality markers have been identified in advanced heart failure. Although the nesfatin-1 molecule…
View article: Predicting Long-Term Mortality in Acute Pulmonary Embolism: The Role of RDW Levels
Predicting Long-Term Mortality in Acute Pulmonary Embolism: The Role of RDW Levels Open
Objective: Acute pulmonary embolism (PE) is a life-threatening cardiovascular emergency. PE long-term mortality data is scarce. Red cell distribution width (RDW) may predict PE mortality independently. This research examined the associatio…
View article: Towards tunable graphene phononic crystals
Towards tunable graphene phononic crystals Open
Phononic crystals (PnCs) are artificially patterned media exhibiting bands of allowed and forbidden zones for phonons—in analogy to the electronic band structure of crystalline solids arising from the periodic arrangement of atoms. Many em…
View article: The predictive value of serum SCUBE-1 level for left ventricular thrombus in patients with post myocardial infarction heart failure
The predictive value of serum SCUBE-1 level for left ventricular thrombus in patients with post myocardial infarction heart failure Open
Objectives Left ventricular thrombus is regarded as one of the main myocardial infarction complications. Knowing the left ventricular thrombus symptoms prevents serious complications that may occur. This study aims to reveal any associatio…
View article: A new parameter for the determination of normal right ventricular function in patients with acute pulmonary embolism
A new parameter for the determination of normal right ventricular function in patients with acute pulmonary embolism Open
Background/Aim: The performance of the right ventricular myocardium is crucial in various pathological states and the right ventricular dysfunction has a prognostic value in pulmonary embolism. We sought to bring out which parameters were …
View article: Single-Photon Nanoantenna with in Situ Fabrication of Plasmonic Ag\n Nanoparticle at an hBN Defect Center
Single-Photon Nanoantenna with in Situ Fabrication of Plasmonic Ag\n Nanoparticle at an hBN Defect Center Open
We present a practical new method for fabricating a coupled single quantum\nemitter-plasmonic nanoantenna system. Emission characteristics of a single\ndefect center embedded in hexagonal Boron Nitride (hBN) multilayers is modified\nusing …
View article: Single-Photon Nanoantenna with in Situ Fabrication of Plasmonic Ag Nanoparticle at an hBN Defect Center
Single-Photon Nanoantenna with in Situ Fabrication of Plasmonic Ag Nanoparticle at an hBN Defect Center Open
We present a practical new method for fabricating a coupled single quantum emitter-plasmonic nanoantenna system. Emission characteristics of a single defect center embedded in hexagonal Boron Nitride (hBN) multilayers is modified using pla…
View article: C-reactive protein/albumin ratio designates advanced heart failure among outpatients with heart failure
C-reactive protein/albumin ratio designates advanced heart failure among outpatients with heart failure Open
Background: Exercise intolerance has a relation with poor prognosis for patients with heart failure (HF). The high C-reactive protein (CRP) levels have prognostic effects on many cardiovascular diseases such as HF, coronary artery disease,…
View article: Association between multidrug resistance-1 C3435T gene polymorphism and right ventricular dysfunction in patients with chronic obstructive pulmonary disease: cross-sectional study
Association between multidrug resistance-1 C3435T gene polymorphism and right ventricular dysfunction in patients with chronic obstructive pulmonary disease: cross-sectional study Open
MDR-1 C3435T gene polymorphism was associated with RV dysfunction in patients with COPD.
View article: Association between multidrug resistance-1 C3435T gene polymorphism and right ventricular dysfunction in patients with chronic obstructive pulmonary disease: cross-sectional study
Association between multidrug resistance-1 C3435T gene polymorphism and right ventricular dysfunction in patients with chronic obstructive pulmonary disease: cross-sectional study Open
BACKGROUND: Right ventricular (RV) dysfunction may develop over the course of chronic obstructive pulmonary disease (COPD) and is an important predictor of morbidity and mortality. Polymorphism of the multidrug resistance-1 (MDR-1) gene ha…
View article: Comparison of pentraxin-3 and ischemia-modified albumin with troponin in early diagnosis of acute coronary syndrome
Comparison of pentraxin-3 and ischemia-modified albumin with troponin in early diagnosis of acute coronary syndrome Open
This study revealed that cTnI is the most sensitive test in ACS diagnosis at the admission to Emergency Department. Our results also revealed that PTX 3 may be a useful diagnostic tool for ACS at admission, however, IMA alone cannot be use…
View article: Effect of Valsalva Maneuver in Measuring Valve Area
Effect of Valsalva Maneuver in Measuring Valve Area Open
Background: Echocardiographic measurement of the mitral valve in patients with mitral stenosis is important for treatment and follow-up. The aim of this study was to assess the effect on the valsalva maneuver mitral valve area measurement.…
View article: Plasma osmolality predicts mortality in patients with heart failure with reduced ejection fraction
Plasma osmolality predicts mortality in patients with heart failure with reduced ejection fraction Open
Our study results suggest that normal plasma osmolality is between 275 and 295 mOsm/kg. However, being close to the upper limit of normal range (292-293 mOsm/kg) seems to be the optimal plasma osmolality level in terms of cardiovascular pr…