Güncel Gönderiler: WoS İndeksli Yayınlar Koleksiyonu
Toplam kayıt 2971, listelenen: 321-340
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The relationship between incomplete surgical obliteration of the left atrial appendage and thromboembolic events after mitral valve surgery (from the ISOLATE Registry)
(Springer, 2021)Left atrial appendage (LAA) is a common site of thrombus formation especially in patients with atrial fibrillation (AF). Complete surgical LAA closure (cSLC) is the surgical aim, however incomplete surgical LAA closure ... -
Normal reference values for mechanical mitral prosthetic valve inner diameters and areas assessed by two-dimensional and real-time three-dimensional transesophageal echocardiography
(Springer, 2021)It was previously observed that two dimensional (2D) Doppler derived and real-time three-dimensional (RT-3D) directly measured valve areas were smaller than reported manufacturer sizes. It may be helpful to obtain the ... -
Serum osteoprotegerin level is independently related to subclinical left atrial mechanical function in patients with hypertension and diabetes
(Urban & Vogel, 2021)Objectives Previous studies showed that subclinical abnormal left atrial (LA) function could be diagnosed with LA speckle tracking evaluation long before chamber enlargement. Osteoprotegerin (OPG) is a member of the tumor ... -
Correlation between chemical composition, electrical, magnetic and microwave properties in Dy-substituted Ni-Cu-Zn ferrites
(Elsevier, 2021)Dy3+ ion-substituted nanoferrites Ni0.4Cu0.2Zn0.4Fe2_ xDyxO4 (x <= 0.04) were produced via sol-gel method. Correlation between chemical composition, crystal structure, electrical, magnetic and microwave properties was ... -
Spin Canting in Silica-Coated Nickel Ferrite (NiFe2O4@SiO2) Nanoparticles: a Mossbauer Spectroscopy Study
(Springer, 2021)We present a comparative study on superparamagnetic uncoated and silica-coated NiFe2O4@SiO2 nanoparticles with identical NiFe2O4 cores and two different silica coating thicknesses, focusing on the surface spin arrangement ... -
Influence of Dy3+ Ions on the Microstructures and Magnetic, Electrical, and Microwave Properties of [Ni0.4Cu0.2Zn0.4](Fe2-xDyx)O-4 (0.00 <= x <= 0.04) Spinel Ferrites
(Amer Chemical Soc, 2021)[Ni0.4Cu0.2Zn0.4](Fe2-xDyx)O-4 spinel ferrite nanoparticles with different Dy3+ concentrations (0.00 <= x <= 0.04) were prepared by a citrate sol-gel auto-combustion technique. A strong correlation among Dy concentration, ... -
A family of circulant megastable chaotic oscillators, its application for the detection of a feeble signal and PID controller for time-delay systems by using chaotic SCA algorithm
(Pergamon-Elsevier Science Ltd, 2021)Chaotic systems with cyclic symmetry are very rare and have been less discussed in the literature. Similarly, megastable oscillators, which can have a finite or infinite number of coexisting attractors, have also attracted ... -
Problematic WhatsApp Use Among Adolescents: Linking Fear of Missing Out and Psychiatric Symptoms
(Yerkure Tanitim & Yayincilik Hizmetleri A S, 2021)Objective: WhatsApp (WA) is the most popular instant message application all over the world. Although communication has become easier and enjoyable with the help of this application, the overuse, and addiction of WA has ... -
Stub Loaded Patch Antenna and a Novel Method for Miniaturization at Sub 6 GHz 5G and Wi-Fi Frequencies
(Univ Suceava, Fac Electrical Eng, 2021)This paper presents both a comprehensive analysis of a stub loaded rectangular patch antenna and a novel method to achieve more compact sizes for the antenna. It has been found that with certain stub dimensions the operating ... -
A multidisciplinary approach to coronavirus disease (COVID-19)
(MDPI, 2021)Since December 2019, humanity has faced an important global threat. Many studies have been published on the origin, structure, and mechanism of action of the SARS-CoV-2 virus and the treatment of its disease. The priority ... -
The effect of Blood Urea Nitrogen/Albumin Ratio in the Short-Term Prognosis of Chronic Obstructive Pulmonary Disease
(Erciyes Univ Sch Medicine, 2021)Objective: There is no definite laboratory parameter in predicting short-term prognosis in patients with chronic obstructive pulmonary disease (COPD). Our aim was to evaluate the prognostic effect of serum blood urea ... -
Is fibrinolytic therapy really safe in the treatment of prosthetic valve thrombosis in patients with high INR?
(Wiley, 2021)To the Editor, We have recently read with great interest the article by Farzaneh et al.1 entitled “Safety of thrombolytic therapy in patients with prosthetic heart valve thrombosis who have high international normalized ... -
Characteristic localization patterns of thrombus on various brands of bileaflet mitral mechanical heart valves as assessed by three-dimensional transesophageal echocardiography and their relationship with thromboembolism
(Springer, 2021)Three-dimensional transesophageal echocardiography (3D-TEE) provides detailed images of prosthetic valve thrombosis (PVT). However, data regarding PVT localization patterns based on 3D-TEE and their association with clinical ... -
Theoretical assessment of calix[4]arene-N-beta-ketoimine (n=1-4) derivatives: Conformational studies, optoelectronic, and sensing of Cu(2+)cation
(Springer, 2021)Herein, we have investigated the key functions of the calix[4]arene, abbreviated as CX [1], and designed its several derivatives by substitution of the functional groups. Molecular geometry provides an intuitive understanding ... -
Global and glucocorticoid receptor gene-specific (NR3C1) DNA methylation analysis in patients with cannabinoid or synthetic cannabinoid use disorder
(Elsevier Ireland Ltd, 2021)This study investigates the relationship between cannabinoid use disorder (CUD) or synthetic cannabinoid use disorder (SCUD) and the global methylation, methylation of NR3C1 gene promotor, and NR3C1 BclI poly-morphism, ... -
The Impact of Oil Price on Transition toward Renewable Energy Consumption? Evidence from Russia
(Mdpi, 2021)This research investigates the impact of oil price, income and carbon dioxide emissions on renewable energy consumption in Russia for the data period from 1990 to 2015, using the Vector Error Correction Models and the ... -
Defect characterization in Bi12GeO20 single crystals by thermoluminescence
(Elsevier, 2021)Bi12GeO20 single crystal grown by Czochralski method was investigated in terms of thermoluminescence (TL) properties. TL experiments were performed for various heating rates between 1 and 6 K/s in the temperature region ... -
Effects of lisinopril treatment on the pathophysiology of PCOS and plasminogen activator inhibitor-1 concentrations in rats
(Elsevier Sci Ltd, 2021)Research question: Angiotensin-converting enzyme inhibition results in a significant reduction in plasma concentrations of plasminogen activator inhibitor-1 (PAI-1). What are the effects of lisinopril treatment on PAI-1 ... -
Structural, Magnetic, and Mossbauer Parameters' Evaluation of Sonochemically Synthesized Rare Earth Er3+ and Y3+ Ions-Substituted Manganese-Zinc Nanospinel Ferrites
(Amer Chemical Soc, 2021)The effect of Er3+ and Y3+ ion-co-substituted Mn0.5Zn0.5ErxYxFe2-2xO4 (MZErYF) (x <= 0.10) spinel nanoferrites (SNFs) prepared by a sonochemical approach was investigated. Surface and phase analyses were carried out using ... -
Transition metal complexes of a multidentate Schiff base ligand containing pyridine: synthesis, characterization, enzyme inhibitions, antioxidant properties, and molecular docking studies
(Springer, 2021)A series of Fe(II), Ni(II), and Pd(II) complexes were prepared with a novel Schiff base ligand containing pyridine moiety. The prepared compounds were characterized using FT-IR, H-1 and (13) C NMR, UV-Vis, powder XRD, ...