Publications by authors named "Mueruevvet Poyraz"

Article Synopsis
  • The study examined how Poly(ethylene-co-(acrylic acid)) and maleic anhydride influence the properties of EPDM elastomers filled with cellulose and lignin.
  • Adding these compounds improved thermal stability and elongation, while slowing down the vulcanization process.
  • Maleic anhydride particularly enhanced tensile strength due to better chain mobility and stress transfer, making these modified elastomers beneficial for industrial applications involving biopolymers.
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Objective: This study aimed to validate the Turkish version of the Behavioral and Psychological Symptoms of Dementia Knowledge Scale (BPSD-T) among caregivers. The goal was to assess the scale's psychometric properties, ensuring it accurately measures caregivers' knowledge of dementia-related behavioral and psychological symptoms in a Turkish context.

Methods: In this cross-sectional study, the data were collected from 212 caregivers providing home-based care to dementia patients across Turkey.

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Introduction: After a pandemic outbreak, designing and implementing an effective vaccine supply chain is key. The last-mile vaccine delivery (LMVD) - the last stage of the vaccine supply chain - is of particular importance. LMVD design choices, such as the delivery mode (e.

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Context: Schiff bases, which have intriguing properties in many areas, have been studied extensively in recent years due to their structural properties and biological activities. In this research, a novel water-soluble Schiff base complex, Catena-((μ-(E)-2-((4-methoxy-2-oxidobenzylidene) ammonio) ethane-1-sulfonato potassium, CHKNOS (CMOAESP), was synthesized by a one-step condensation reaction of 2-hydroxy-4-methoxy benzaldehyde and taurine with the yield of 65%, 0.333 g.

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Article Synopsis
  • - Niemann-Pick Type-C (NPC) disease can lead to serious neuropsychiatric issues, including catatonia, which doesn't always respond well to standard treatments like antipsychotics.
  • - A patient with adult-type NPC developed catatonia that persisted despite various medications, but improved significantly with electroconvulsive therapy (ECT).
  • - Combining ECT with lorazepam managed the catatonia, and adding lamotrigine led to full remission for eight months, suggesting lamotrigine's potential benefits in treating recurrent catatonia.
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Purpose: The study aimed to compare the clinical and radiologic results of pinning and modified Dunn procedure methods in stable-moderate slipped capital femoral epiphyses surgery.

Methods: Slipped capital femoral epiphyses cases between January 2000 and December 2022 were retrospectively analyzed. Stable and moderate cases treated with pinning or modified Dunn procedure and those with a follow-up period longer than 1 year were included.

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Article Synopsis
  • Evidence of Antarctic ozone recovery has been observed, but Arctic ozone recovery remains uncertain 25 years after the peak of ozone-depleting substances.
  • A Dynamic Linear Model was used to analyze data from ozonesondes over 20-year periods (1994-2022), revealing no detectable recovery in lower Arctic stratospheric ozone.
  • Significant positive trends were found before 2017 at some measurement stations, but trends since 2019 have been notably negative, underscoring the need for ongoing monitoring of Arctic ozone levels.
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We aimed to evaluate the effect of exercise echocardiography (EE) on Right ventricular (RV) deformation parameters in asymptomatic patients with severe rheumatic mitral stenosis (MS) (mitral valve area ≤ 1.5 cm, stage C) and to determine the relation between symptoms and severity of MS. 38 rheumatic MS patients in stage C underwent EE.

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This study investigates the development and characterization of a novel composite hydrogel composed of polyacrylamide (PAAm), starch, and gelatin for use as an amoxicillin delivery system. The optical properties, swelling behavior, and drug release profile of the composite hydrogel's were studied to evaluate its efficacy and potential applications. UV-visible spectroscopy was employed to determine the optical properties, revealing significant transparency in the visible range, which is essential for biomedical applications.

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Introduction: Cognitive impairment is common among patients with hemodialysis. Hemodialysis patients have theoretical risks for both deficiency and accumulation of trace elements. We aimed to investigate the relationship between cognitive dysfunction and whole blood levels of trace elements in hemodialysis patients.

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Background: Although pulse oximetry technology, which is considered the standard of care to ensure optimum oxygenation, is indispensable in clinical practice, especially in the detection of hypoxemia, it has some limitations in the detection of hyperoxemia. Oxygen Reserve Index can provide clinicians with a crucial pathway in detecting and preventing hyperoxia, noninvasively. Our aim in this study is to determine the hyperoxia detection ability of ORi and to investigate the effectiveness of ORi and SpO-guided FiO titration in preventing hyperoxia.

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Nanoparticles are frequently investigated as carrier systems that increase the biological activities of hydrophobic molecules, especially by providing them with water solubility. Sinapic acid (Sa), commonly found in plants, is a phenolic compound with a wide spectrum of biological activities and extensive pharmacological properties. The aim of this study was the synthesis/characterization of optimized sinapic-acid-loaded poly(lactic--glycolic acid) (PLGA) nanoparticles (SaNPs) to improve the solubility of sinapic acid (Sa) that limit its use in the biological system and investigate the biological activities of these nanoparticles in the breast cancer cell line.

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Background: Cognitive impairment is known to occur in patients with prolactinoma, but the underlying mechanism is unclear.

Objective: To evaluate cognitive function in patients with prolactinoma and to investigate the basis of possible cognitive impairment in brain white matter changes using diffusion tensor imaging (DTI).

Methods: 37 consecutive patients with prolactinoma and 37 healthy controls of similar age, sex, and education were enrolled in the study.

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(1) Background: Digitization is of the utmost importance in improving the transfer of medical data. In order to emphasize the need for the greater implementation of digital solutions, we compared analog PROMs (aPROMs) to electronic PROMs (ePROMs) to emphasize the time benefits for clinical everyday life. (2) Methods: This prospective, observational study compared the evaluation of SF-36 in patients between 18 and 80 years old with musculoskeletal pathologies.

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In recent years, the supercritical CO extraction method has gained attention due to its use of environmentally friendly, non-toxic solvents, ability to operate at lower temperatures that do not cause the degradation of bioactive compounds, and capacity for rapid extraction. This method is particularly notable for isolating bioactive compounds from plants. The extracts obtained have shown superior properties due to their activity against diseases such as cancer, which is one of the leading causes of death worldwide.

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Congenital heart disease (CHD) represents a significant challenge in prenatal care due to low prenatal detection rates. Artificial Intelligence (AI) offers promising avenues for precise CHD prediction. In this study we conducted a systematic review according to the PRISMA guidelines, investigating the landscape of AI applications in prenatal CHD detection.

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To demonstrate the burden of sexual dysfunction (SD) among females with rheumatic diseases, we conducted a cross-sectional comparative study in patients with systemic sclerosis (SSc), systemic lupus erythematosus (SLE), and Behçet's syndrome (BS) along with suitable healthy controls (HCs). Age-matched female patients with SSc (n = 50), SLE (n = 49), and BS (n = 54), along with 52 female HCs were included in this study between April and October, 2021. Sociodemographic features were recorded, and psychometric tests, i.

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Pineal neoplasms have a significant impact on children although they are relatively uncommon. They account for approximately 3-11% of all childhood brain tumors, which is considerably higher than the <1% seen in adult brain tumors. These tumors can be divided into three main categories: germ cell tumors, parenchymal pineal tumors, and tumors arising from related anatomical structures.

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Objectives: To evaluate the microstructural integrity of brain white matter tracts in patients with Neuro-Behcet's syndrome (NBS) and Behcet's syndrome (BS) without neurological manifestations using diffusion tensor imaging (DTI) and to investigate potential utility of DTI as a surrogate biomarker of neurocognitive functioning and disease severity.

Methods: This cross-sectional study comprised 34 NBS patients and 32 BS patients without neurological involvement, identified based on the International Study Group of the Behcet's disease (ISGBD) and the International Consensus Recommendation (ICR) criteria, as well as 33 healthy controls. Cognitive functions, including attention, memory, language, abstraction, executive control, visuospatial skills, and sensorimotor performance were assessed using standardized questionnaires.

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In mammals, RNA interference (RNAi) was historically studied as a cytoplasmic event; however, in the last decade, a growing number of reports convincingly show the nuclear localization of the Argonaute (AGO) proteins. Nevertheless, the extent of nuclear RNAi and its implication in biological mechanisms remain to be elucidated. We found that reduced Lamin A levels significantly induce nuclear influx of AGO2 in SHSY5Y neuroblastoma and A375 melanoma cancer cell lines, which normally have no nuclear AGO2.

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Article Synopsis
  • Anemia after intracerebral hemorrhage (ICH) worsens clinical outcomes, and inflammation plays a significant role in its development.
  • In a study of 42 patients, anemia prevalence rose sharply from 19% to 45% within five days post-ICH, with 88% meeting criteria for inflammation-related anemia.
  • A larger group of 521 patients showed anemia prevalence increasing from 30% to 71% in two days, linking higher inflammation scores to greater decreases in hemoglobin, which correlated with worse neurological outcomes at 90 days.
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Objective: To investigate the clinical, laboratory findings and signal intensity index (SII) on magnetic resonance imaging (MRI) of patients with bilateral and unilateral macronodular mild autonomous cortisol secretion (MACS).

Patients And Measurements: Clinical and laboratory findings of 81 patients with MACS were examined from retrospective records. SII of adenomas and internodular areas were evaluated by MRI.

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Background: Coercive treatments can lead to ethical, legal, and clinical concerns, especially in emergency settings. The indications and characteristics of patients for whom physical restraint is indicated should be well-evaluated in order to prevent unnecessary practices. The aim of this study was to comprehensively assess the physical restraint practices in psychiatric emergencies and clinical characteristics related to their use.

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Background Endothelin-1 (ET-1) is an agent closely associated with inflammation and has recently been recognized as a significant factor in degenerative processes. This study aimed to investigate the correlation between serum ET-1 level and radiological and clinical manifestations of lumbar disc herniation (LDH) and intervertebral disc degeneration (IDD) pathologies. Methodology The study was conducted with 50 healthy controls and 50 LDH patients.

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