bluuebunny/crossref_metadata_2025_split huggingface dataset:
Spor Bilimleri Öğrencilerinin Sosyal Medya Bağımlılığının Bazı Değişkenlere Göre İncelenmesi
Authors: ÖZBEK Sıtkı , AKYÜZ Onur 
Published: December 2022

Bu araştırmada, spor bilimleri fakülteleri ile beden eğitimi spor yüksekokullarında öğrenim gören üniversite öğrencilerinin bazı demografik özellikleri (cinsiyet, yaş, öğrenim gördüğü bölüm, aktif sporculuğu, internete bağlanma yeri, internet erişimi araçları, internet kullanım amaçları) ile sosyal medya bağımlılıklarını tarama yöntemi ile incelemeyi amaçlayan bir çalışmadır. Araştırmanın örneklemini 144 kadın, 196 erkek toplam 340 öğrenci oluşturmaktadır. Araştırmamızda veri toplamak için Tutgun Ünal ve Deniz tarafından 2015’de geliştirilen ‘’Sosyal Medya Bağımlılığı Ölçeği’’ kullanılmıştır. Verilerin analizinde SPSS 22 paket programı kullanılmıştır. Çalışmamızda katılımcıların demografik özelliklerinin betimsel analizlerinde yüzde, frekans ve ortalama değerler kullanılmıştır. İkili grupların analizinde bağımsız örneklemler için ‘’T-Testi’’, üç ve daha fazla grubun karşılaştırmalı analizinde tek yönlü varyans analizi (ANOVA) testlerinden ve farklılıkların hangi gruplardan kaynaklandığını tespit edebilmek için Post-Hoc testlerinden yararlanılmıştır.
Yapılan testler sonucunda spor bilimleri öğrencilerinin sosyal medya bağımlılık seviyelerinin ‘’az bağımlı’’ (94,41) düzeyde oldukları görülmüştür. Spor bilimleri öğrencileri meşguliyet alt boyutunda orta bağımlı, diğer alt boyutlarda ise (duygu durum düzeltme, tekrarlama, çatışma) az bağımlı oldukları görülmüştür. Katılımcı öğrencilerin cinsiyetlerine göre spor bilimleri öğrencilerinin sosyal medya bağımlılık düzeyleri arasında istatistiksel olarak anlamlı bir farklılığın olmadığı tespit edilmiştir. Spor bilimleri öğrencilerinin aktif spor yapma değişkenine göre, aktif spor yapan öğrencilerin aktif olarak spor yapmayan öğrencilere göre sosyal medya bağımlılık düzeylerinin istatistiksel olarak anlamlı düzeyde daha yüksek olduğu görülmüştür. Yapılan çalışmanın bulguları doğrultusunda spor bilimleri ve beden eğitimi spor yüksekokulu öğrencilerinin sosyal medya bağımlılık seviyelerinin düşük olduğu ayrıca spor bilimleri ve beden eğitimi spor yüksekokulu öğrencilerinin spor yapma düzeyleri arttıkça sosyal medya bağımlılık düzeylerinin de arttığı söylenebilir.
On the Presence of Metallofullerenes in Fullerene-rich Circumstellar Envelopes
Authors: Barzaga R. , García-Hernández D. A. , Díaz-Tendero S. , Sadjadi SeyedAbdolreza , Manchado A. , Alcami M. 
Published: December 2022

Abstract
The presence of neutral C60 fullerenes in circumstellar environments has been firmly established by astronomical observations as well as laboratory experiments and quantum-chemistry calculations. However, the large variations observed in the C60 17.4 μm/18.9 μm band ratios indicate that either additional emitters should contribute to the astronomical infrared (IR) spectra or unknown physical processes exist besides thermal and UV excitation. Fullerene-based molecules such as metallofullerenes and fullerene-adducts are natural candidate species as potential additional emitters, but no specific specie has been identified to date. Here we report a model based on quantum-chemistry calculations and IR spectra simulation of neutral and charged endo(exo)hedral metallofullerenes, showing that they have a significant contribution to the four strongest IR bands commonly attributed to neutral C60. These simulations may explain the large range of 17.4 μm/18.9 μm band ratios observed in very different fullerene-rich circumstellar environments like those around planetary nebulae and chemically peculiar R Coronae Borealis stars. Our proposed model also reveals that the 17.4 μm/18.9 μm band ratio in the metallofullerenes simulated IR spectra mainly depends on the metal abundances, ionization level, and endo/exoconcentration in the circumstellar envelopes. We conclude that metallofullerenes are potential emitters contributing to the observed IR spectra in fullerene-rich circumstellar envelopes. Our simulated IR spectra indicate also that the James Webb Space Telescope has the potential to confirm or refute the presence of metallofullerenes (or even other fullerene-based species) in circumstellar environments.
Measuring the Dust Masses of Protoplanetary Disks in Lupus with ALMA: Evidence That Disks Can Be Optically Thick at 3 mm
Authors: Xin Z. , Espaillat C. C. , Rilinger A. M. , Ribas Á. , Macías E. 
Published: December 2022

Abstract
Accurate disk mass measurements are necessary to constrain disk evolution and the timescale of planet formation, but such measurements are difficult to make and are very dependent on assumptions. Here, we look at the assumption that the disk is optically thin at radio wavelengths and the effect of this assumption on measurements of disk dust mass. We model the optical to radio spectral energy distributions of 41 protoplanetary disks located in the young (∼1–3 Myr old) Lupus star-forming region, including 0.89 1.33 and 3 mm flux densities when available. We measure disk dust masses that are ∼1.5–6 times higher than when using the commonly adopted disk dust mass equation under the assumption of optically thin emission in the (sub)millimeter range. The cause of this discrepancy is that most disks are optically thick at millimeter wavelengths, even up to 3 mm, demonstrating that observations at longer wavelengths are needed to trace the fully optically thin emission of disks.
Is There a Dynamic Difference between Stealthy and Standard Coronal Mass Ejections?
Authors: Ying Beili , Bemporad Alessandro , Feng Li , Nitta Nariaki V. , Gan Weiqun 
Published: December 2022

Abstract
Stealthy coronal mass ejections (CMEs), lacking low coronal signatures, may result in significant geomagnetic storms. However, the mechanism of stealthy CMEs is still highly debated. In this work, we investigate whether there are differences between stealthy and standard CMEs in terms of their dynamic behaviors. Seven stealthy and eight standard CMEs with low speeds are selected. We calculate two-dimensional speed distributions of CMEs based on the cross-correlation method, rather than the unidimensional speed, and further obtain more accurate distributions and evolution of CME mechanical energies. Then we derive the CME driving powers and correlate them with CME parameters (total mass, average speed, and acceleration) for standard and stealthy CMEs. Besides, we study the forces that drive CMEs, namely, the Lorentz force, gravitational force, and drag force due to the ambient solar wind near the Sun. The results reveal that both standard and stealthy CMEs are propelled by the combined action of those forces in the inner corona. The drag force and gravitational force are comparable with the Lorentz force. However, the impact of the drag and Lorentz forces on the global evolution of stealthy CMEs is significantly weaker than that on standard CMEs.
First Batch of z ≈ 11–20 Candidate Objects Revealed by the James Webb Space Telescope Early Release Observations on SMACS 0723-73
Authors: Yan Haojing , Ma Zhiyuan , Ling Chenxiaoji , Cheng Cheng , Huang Jia-Sheng 
Published: December 2022

Abstract
On 2022 July 13, NASA released to the whole world the data obtained by the James Webb Space Telescope (JWST) Early Release Observations (ERO). These are the first set of science-grade data from this long-awaited facility, marking the beginning of a new era in astronomy. In the study of the early universe, JWST will allow us to push far beyond z ≈ 11, the redshift boundary previously imposed by the 1.7 μm red cutoff of the Hubble Space Telescope (HST). In contrast, JWST’s NIRCam reaches ∼5 μm. Among the JWST ERO targets there is a nearby galaxy cluster SMACS 0723-73, which is a massive cluster and has been long recognized as a potential “cosmic telescope” in amplifying background galaxies. The ERO six-band NIRCam observations on this target have covered an additional flanking field not boosted by gravitational lensing, which also sees far beyond HST. Here we report the result from our search of candidate objects at z > 11 using these ERO data. In total, there are 87 such objects identified by using the standard “dropout” technique. These objects are all detected in multiple bands and therefore cannot be spurious. For most of them, their multiband colors are inconsistent with known types of contaminants. If the detected dropout signature is interpreted as the expected Lyman break, it implies that these objects are at z ≈ 11–20. The large number of such candidate objects at such high redshifts is not expected from the previously favored predictions and demands further investigations. JWST spectroscopy on such objects will be critical.
General Circulation Model Constraints on the Detectability of the CO2-CH4 Biosignature Pair on TRAPPIST-1e with JWST
Authors: Rotman Yoav , Komacek Thaddeus D. , Villanueva Geronimo L. , Fauchez Thomas J. , May Erin M. 
Published: December 2022

Abstract
Terrestrial exoplanets such as TRAPPIST-1e will be observed in a new capacity with the JWST/Near Infrared Spectrograph (NIRSpec), which is expected to be able to detect CO2, CH4, and O2 signals, if present, with multiple coadded transit observations. The CO2-CH4 pair in particular is theorized to be a potential biosignature when inferred to be in chemical disequilibrium. Here, we simulate TRAPPIST-1e’s atmosphere using the ExoCAM general circulation model, assuming an optimistic haze-free, tidally locked planet with an aquaplanet surface, with varying atmospheric compositions from 10−4 bar to 1 bar of partial CO2 pressure with 1 bar of background N2. We investigate cases both with and without a modern Earth-like CH4 mixing ratio to examine the effect of CO2 and CH4 on the transmission spectrum and climate state of the planet. We demonstrate that in the optimistic haze-free cloudy case, H2O, CO2, and CH4 could all be detectable in less than 50 transits within an atmosphere of 1 bar N2 and 10 mbar CO2 during JWST’s lifespan with NIRSpec as long as the noise floor is ≲10 ppm. We find that in these optimistic cases, JWST may be able to detect potential biosignature pairs such as CO2-CH4 in TRAPPIST-1e’s atmosphere across a variety of atmospheric CO2 content, and that temporal climate variability does not significantly affect spectral feature variability for NIRSpec PRISM.
Секундарен Сјегрен синдром кај пациенти со ревматоиден артритис
Authors: Гучев Филип , Дамјановска Љубинка , Божиновски Ѓеорѓи , Перчинкова-Мишевска Снежана , Јордановска-Гучева Натали 
Published: December 2022

Секундарниот Сјегренов синдром (сСС) претставува заболување на сврзното ткиво кое се карактеризира главно со појава на ксерофталмија и ксеростомија, во склоп на други автоимуни заболувања. Преваленцијата на сСС кај пациенти со ревматоиден артритис (РА) е различна во различни држави, но се претпоставува дека изнесува околу 10% од сите пациенти со РА, при што околу 20% од овие имаат супклинички манифестации. Ова претставува голема суппопулација на пациенти со РА, при што клиничките импликации на коегзистирањето на двете болести сèуште се недоволно испитани. Цели: Да се анализираат ефектите на појавата на сСС врз болеста, односно поврзаноста на овој синдром со активноста и еволутивноста на болеста, присуството на серолошки и имунолошки маркери, времетраењето на болеста и квалитетот на животот кај пациенти со РА. Материјал и методи: Беа испитани 42 пациенти на возраст од 18 до 70 години, дијагностицирани според критериумите на EULAR (2010). Дваесет пациенти беа со РА и сСС и 22 пациенти со РА без придружен сСС. Групите беа со слични карактеристики во однос на пол, возраст и времетраење на болеста. Беа анализирани: појавата на сСС и нејзината зависност од возраста и полот на пациентите, демографските податоци, траењето на болеста, присуството на вонзглобни манифестации, а беа направени и серолошки тестови (позитивниот RF, anti-CCP). Активноста на болеста беше анализирана преку индексот на активност на болест - DAS28 (Disease Activity Score 28), а квалитетот на живот на пациентите преку HAQ-DI (Health Assessment Questionnaire – Disability Index). Беше анализиран бројот на болни и отечени зглобови, VAS (визуелна аналогна скала на болка), седиментација на еритроцити (ESR), CRP, а беа направени и имунолошки тестови (SSA, SSB, antidsDNA, ANA, antiU1snRNP) и по потреба други имунолошки и серолошки тестови). Резултати: Кај испитаните пациенти немаше статистички сигнификантна разлика во ESR, CRP, DAS28, HAQ-DI, серопозитивност кон RF или anti-CCP, како и присуството на antidsDNA, ANA или antiU1snRNP, како и траење на болеста. Пациентите во РА групата беа во поголем број, со повеќе отечени зглобови и повисока VAS. Постоеше статистички сигнификантна разлика во позитивноста на SSA и SSB антителата во двете групи. Немаше разлика во лекувањето на пациентите во двете групи. Заклучок: Не постои статистички сигнификантна разлика во нивото на активност на болеста и квалитетот на живот на пациентите со РА во споредба со оние со сСС.
Polymerase chain reaction test for detection of SARS-CoV-2 virus and variants
Authors: Peshnachka Aneta , Boshevska Golubinka , Velichkova Nevenka , Jancheska Elizabeta , Vukovikj Maja , Buzharova Teodora , Nikolovska Gordana , Preshova Ardian , Memeti Shaban 
Published: December 2022

The first human cases of coronavirus disease (COVID-19), a disease caused by the new coronavirus, was reported on December 31, 2019 in China for the first time. Тhe virus was named temporarily as 2019 new coronavirus (2019 novel coronavirus-2019 -nCoV), or finally as SARS-CoV-2. The aim of this paper is to give an overview of the laboratory detection of SARS-CoV-2 virus with reverse transcriptase - polymerase chain reaction (RT-PCR) in real time, as well as detection of viral mutations in the Laboratory for virology at the Institute of Public Health. The samples used in the study were taken from all geographical regions in North Macedonia, including the 10 regional Centers for Public Health throughout the country, from hospital patients, from COVID19 hospitals across the country and from the COVID19 checkpoint at the Institute of Public Health. All samples were tested using RT-PCR in real time. Additional assays were applied for identification of the circulating variants. The continuous surveillance of the variants of concern (VOC), as well as the newly emerged variants can allow the public health officials to modify their approach to disease control and management and intervene more effectively as well as in a timely manner in order to prevent major morbidity and mortality from COVID-19.
Autoimmune Hashimoto thyroiditis with concomitant autoimmune hepatitis
Authors: Manevska Nevena , Stojkovska Natasa , Tasheva Ljubica , Jovanovski-Srceva Marija , Makazlieva Tanja , Stojanoski Sinisha 
Published: December 2022

So far, the literature data have presented a combination of several autoimmune triggered disease in patients, but the research is scarce and very limited. In this context we present a rare case of autoimmune thyroiditis with a concomitant autoimmune hepatitis. Hashimoto thyroiditis is an autoimmune disorder in which immune cells lead to impairment, destruction of the thyroid hormone producing cells and tissue fibrosis with consecutive primary hypothyroidism. Autoimmune hepatitis is a chronic liver disease with unknown etiology, which is assumed to be T cell mediated condition where immune cells produce autoantibodies responsible for inflammation, destruction and fibrosis of the hepatic parenchyma. In this case report, we discuss the possible correlation in the spectrum of autoimmune diseases concerning Hashimoto thyroiditis and autoimmune hepatitis.
Ventricular fibrillation after endoscopic retrograde cholangiopancreatography in patient with left ventricular assist device – a case report
Authors: Georgiev Antonio , Pejkov Hristo , Kalpak Oliver , Bosev Marjan , Janusevski Filip , Jovanovski Srceva Marija , Gramatnikovski Nikola 
Published: December 2022

Congestive heart failure is a growing global health problem. Left ventricular assist device (LVAD) is a method used to extend the life of patients with congestive heart failure as a definitive treatment or to “bypass” the period until heart transplantation. Ventricular arrhythmias in patients with LVAD are not uncommon. The aim of this paper is to present the case of a patient with an already implanted LVAD and the need for appropriate interdisciplinary medical treatment. Case report: We present the case of a 54-year old patient, A. D., with implanted LVAD - HeartMate 3 due to severe congestive heart failure. The patient was admitted with jaundice at the PHIU Clinic for Gastroenterohepatology with performed endoscopic retrograde cholangiopancreatography (ERCP)) procedure and a stent was placed in the choledochus duct. Immeasurable blood pressure and pulse were recorded in this patient. The ECG was approaching VF (ventricular fibrillation) and it was all asymptomatic by the patient. LVAD mechanical pump leads to continuous blood flow, which means that patients with LVAD not infrequently have no pulse or measurable blood pressure. Also, in patients with LVAD, ECG pulses are with electrical disturbances. VF and ventricular tachycardia (VT) are ventricular arrhythmias that are often seen on ECG in patients with implanted LVAD. Usually these arrhythmias occur with unknown duration and terminate spontaneously. Conclusion: Patients with LVAD are prone to cardiac arrhythmias. The continuous development of medical devices leads to a continuous educational and clinical approach to patients.
Morning Glory Syndrome- A case report
Authors: Isjanovski Igor , Velkovska Bisera 
Published: December 2022

Morning Glory Syndrome (MGS) is an uncommon congenital anomaly of the eye nerve (optic nerve) that resembles a flower known as morning glory, impairs vision, and may be associated with both ocular and non-ocular abnormalities. It has a characteristic fundoscopic appearance consisting of a large funnel-shaped cavity on the optical disc. We register an unusual congenital anomaly of the optic disc in a three-year-old female child.
Dry eye disease and risks of urban air pollution – literature review
Authors: Trpevska-Shekerinov Natasha , Petrushevska Andrijana , Gjoshevska-Dashtevska Emilija , Shekerinov Toni , Nivichka-Kjaeva Jana 
Published: December 2022

Air pollution has a major impact on health, and it particularly affects the mucous membranes of the respiratory tract and the eyes. The ocular effects of chronic, long-term exposure to high levels of air pollution are still unclear. The increase in air pollution levels can be associated with an increase in the instability of the tear film. The aim of this paper is to evaluate and discuss the available data about chronic eye diseases in regions with high air pollution. Furthermore, the review also offers a certain understanding of the link between chronic dry eye disease (DED) and air pollution. Materials and methods: Specific keywords (dry eye, air pollution, and urban) were used to search the medical databases of PubMed and Medline. This research technique led to obtaining 103 papers, dating from 1995 to 2021. Out of those, 15 were used as the basis of this paper. Results: The pathophysiological mechanisms of oxidative stress and ocular surface inflammation involve the selective binding of environmental agents to ocular surface membrane receptors, leading to the activation of proinflammatory signaling pathways with changes in the extracellular stromal matrix and consequent occurrence of inflammation of the ocular surface with epithelial defects. Conclusions: Dry eye disease, pollution, and eye allergy overlap, but their presentations can be different. Future advancements in monitoring technology and the development of modern, non-invasive diagnostic methods will help prove the link between air pollutants and DED. The points should be aimed at preventing the global risks of antigenic stimulation of "urban eye".
Torsion of a large ovarian cyst presented as an acute abdomen: Case report
Authors: Pucakoski Sasho , Spiroska Nadezda , Nikolovski Andrej 
Published: December 2022

Patients with acute abdominal pain often end up in the emergency department for surgical treatment. Ovarian cysts can lead to an acute abdomen due to torsion (twisting) or rupture. In this case report we are going to present a 70 y/o female patient with left adnexal torsion, due to a presence of ovarian cyst, presented as an acute abdomen. The patient was enrolled in the emergency department with acute abdomen, nausea and vomiting. After the initial evaluation including a Computerized tomography [CT] scan, the cyst presented as a solid hypodense mass behind the front abdominal wall, with the dimensions of Anteroposterior diameter [APd] 13cm, Laterolateral diameter [LLd] 11cm and Craniocaudal diameter [CCd] 15cm. The possible differential diagnosis [DDx] included cystic tumor [TU] mass on the mesentery as well as a cystic TU on the Urogenital tract (UGT). Intraoperatively adnexal torsion due to an ovarian cyst was found. The cyst and the left adnexa were then removed. Histopathological report showed ovarian hemorrhagic infarction due to a cystic tumor and torsion in the left adnexa. The diagnosis in such cases is often challenging because often the initial CT report can confuse the surgeon whether the mass arises from the mesentery or the urogenital tract.
Association of Kawasaki Disease Shock Syndrome with Giant Coronary Artery Dilatation – Presentation of Two Cases and A Literature Review
Authors: Bejiqi Ramush , Bejiqi Hana , Retkoceri Ragip , Maloku Arlinda , Mustafa Afderdita , Bejiqi Rinor R. 
Published: December 2022

Introduction Kawasaki disease is an acute, self-limited vasculitis of childhood characterized by fever, bilateral nonexudative conjunctivitis, erythema of the lips and oral mucosa, changes in the extremities, rash, and cervical lymphadenopathy. Coronary artery aneurysms or ectasia develop in approximately 15 to 25% of untreated children with the disease and may lead to myocardial infarction, sudden death, or ischemic heart disease. Despite an overlap of clinical features with toxic shock syndrome, children with Kawasaki disease generally do not develop chock.
Cases Here we report two old children who presented with a toxic shock-like illness, and were diagnosed with Kawasaki disease when coronary artery abnormalities were found on transthoracic echocardiography, recently reported as a “Kawasaki disease shock syndrome”. Relevant articles about KD and shock were collected and demographic data, clinical presentation, laboratory variables, echocardiogram findings, treatment and special features were analyzed when available.
Conclusion Pediatrics cardiologist should be aware of this potentially severe form of manifestation of the Kawasaki disease.
Key words Kawasaki disease, Kawasaki disease shock syndrome, coronary artery aneurysm, intravenous immunoglobulin,