bluuebunny/crossref_metadata_2025 huggingface dataset:
Features of Catheter Treatment of Non-Isthmus-Dependent Atrial Flutter
Authors: Almiz Pavlo O. , Kravchuk Borys B. , Maliarchuk Rostyslav H. , Perepeka Eugene O. , Tymoshenko Dmytro A. , Pokanevich Alona V.
Published: September 2023

Atrial flutter (AF) is caused by the re-circulation of the wave of electrical excitation of the myocardium (reentry) around the anatomical substrate which circulates within the atrial tissues. This is always a macro re-entry. Such an anatomical barrier, around which circulation can occur, can be the superior or inferior vena cava, rings of the tricuspid or mitral valves, the mouth of the coronary sinus, pulmonary veins, postoperative scar.

The aim. To determine the specifics of elimination, success rate, and long-term outcome with various preablation and postablation diagnostic techniques for non-isthmus-dependent atrial flutter (NIDAFL).

Materials and methods. The study included 26 patients who underwent radiofrequency ablation of atypical NIDAFL.

Results. As a result of radiofrequency ablation, a sinus rhythm was restored in 17 patients during the procedure. In 7 cases, when the typical, isthmus-dependent AF was removed, the tachycardia cycle and the morphology of the R wave changed. Mapping showed that in 7 cases the direction of the re-entry front changed, and instead of the circulation of excitation through the cavatricuspid isthmus, it then passed around the atriotomy scar. In 2 cases, a change in the cardiac cycle was observed after radiofrequency ablation, but the excitation circulation was the same around the atriotomy scar, only the tachycardia cycle increased. As a result of the use of our techniques, arrhythmia was eliminated in all 21 patients with an atriotomy AF during one procedure. Five patients with AF of a different localization of the re-entry circuit also had their arrhythmia eliminated, although 8 procedures (for five patients) were performed (on average 1.6). There were no complications. During the follow-up period of 1.8±0.7 years, 2 patients had a recurrence of arrhythmia, and they underwent a repeat procedure to eliminate the arrhythmia. One patient developed typical AF that had not been observed before, which was successfully eliminated.

Conclusion. Catheter treatment of atypical NIDAFL is quite a non-trivial task, because, as our experience shows, several types of tachycardia occur in a significant number of patients. In cases of restoration of sinus rhythm as a result of the application, it is necessary to check the inducibility of another arrhythmia. But despite everything, catheter removal of NIDAFL is quite effective, especially for atriotomy AF, although it requires more X-ray exposure and a relatively large number of applications. The use of navigation systems has helped to improve the results of such interventions in more complex cases.
Immunological Reactivity and Intensity of Oxidative Stress in Stable Coronary Artery Disease
Authors: Gavrilenko Tetiana І. , Lomakovskyi Oleksandr M. , Pidgaina Olena A. , Rasputniak Olga V. , Ryzhkova Nataliia O. , Grechkovskaya Natalia V.
Published: September 2023

The aim. To analyze the relationship between immune response factors and the intensity of oxidation of lipoproteins and proteins in patients with stable coronary artery disease (CAD) to clarify the pathogenesis of coronary atherosclerosis.

Materials and methods. A total of 179 patients with stable CAD of II-IV functional class, mean age 56 (49-62) years (main group) and 30 healthy individuals, mean age 49 (45-53) years (control group) were examined. The material for immunological research was peripheral venous blood. To determine the indicators of immunity, flow laser cytometry and enzyme-linked immunosorbent assay were used. Spectrophotometric and fluorometric methods were used to determine the levels of intermediate and final oxidation products of lipids and proteins, as well as antioxidant protection enzymes in the blood serum and in atherogenic lipoproteins.

Results. A direct relationship between the activity of lipoprotein peroxidation and protein oxidation with a cell-type immune response and immune inflammation was revealed.

Conclusions. The high intensity of lipid peroxidation and protein oxidation in patients with stable CAD (stable angina pectoris) is combined with significant activation of the T-cell component of the immune response (in terms of the ratio of helper and cytotoxic subpopulations of T-lymphocytes, high concentrations of pro-inflammatory cytokines, the state of the CD40/CD40L system, the level of expression of the CD95 apoptosis marker on cells), which indicates interdependence of T-cell immunity and oxidative stress in the pathogenesis of atherosclerosis. The dependence of the hyperproduction of pro-inflammatory cytokines by mononuclear blood cells on free radical oxidation of proteins, peroxidation of apoB proteins and the intensity of antiperoxide protection (catalase and superoxide dismutase enzymes) in patients with stable CAD indicates a contribution to the presence of oxidative stress and the development of immune inflammation. A comprehensive study of the factors of immunological reactivity, the violation of which can lead to the development of immunopathological reactions, and the intensity of oxidation of lipoproteins and proteins in patients with stable CAD helps to clarify the pathogenetic relationship between chronic immune inflammation, endothelial dysfunction and oxidative stress, and also substantiates the expediency of general therapeutic approaches to the treatment of CAD.
Non-Vitamin K Antagonist Oral Anticoagulants in Differentiated Approach to the Use in Cardiological Practice: Literature Review
Authors: Vozniuk Larysa A. , Dzekan Olga V. , Siromakha Sergii O.
Published: September 2023

Non-vitamin K antagonist oral anticoagulants (novel oral anticoagulants, NOACs) are important pharmaceuticals for prevention of stroke and systemic embolism in non-valvular atrial fibrillation patients. Vitamin K antagonist warfarin usage is limited due to its pharmacokinetic and pharmacodynamic parameters. In modern conditions, NOACs are widely used. This literature review includes the most interesting clinical studies where anticoagulants were used. Main pharmacological properties of non-vitamin K antagonist oral anticoagulants have been investigated in these clinical studies.

The aim. To answer the question about which anticoagulant is preferable for use in particular clinical situation.

Results. In order to prevent venous thrombosis, conservative and surgical treatment is used. It is the use of anticoagulants during conservative therapy that allows to extend the life expectancy of patients at high risk of thrombosis. Unlike warfarin, the use of NOACs helps to avoid high risk of bleeding. Drugs of this group have short half-life, standard dosage, and predicted pharmacological effect.

Conclusions. New data about comparative efficacy and safety of treatment with NOACs (dabigatran, rivaroxaban, edoxaban, apixaban) in order to prevent thromboembolism in patients with atrial fibrillation are presented. The peculiarities of anticoagulant therapy in elderly patients, patients with coronary artery disease, atrial fibrillation, chronic kidney disease, patients in pre- and postoperative periods are discussed. Prolonged study of drugs of this group will enable doctors to use them without endangering the patients’ lives. NOACs, despite obtained data about their effectiveness and safety, in our opinion, deserve attention and require further study.
Surgical Correction of Dissecting Aortic Aneurysms Combined with Coronary Bypass Surgery in Marfan Syndrome
Authors: Zhekov Ihor I. , Kravchenko Vitalii I. , Sarhosh Oleh I. , Osadovska Iryna A. , Rudenko Anatoliy V.
Published: September 2023

Introduction. The cohort of patients with aortic dissection and coronary heart disease is very complex, and their surgical treatment remains a relevant and debatable topic to this day. The presence of Marfan syndrome (MS) makes this difficult group of patients even more challenging. In this work, we present our own seven-year experience with the analysis of the impact of MS on the results of surgical treatment of patients with dissecting aortic aneurysm and coronary heart disease.

Materials and methods. Nineteen consecutive cases of dissection of the aorta combined with lesions of the coronary arteries were analyzed. All the patients were operated at the premises of the National Amosov Institute of Cardiovascular Surgery of the National Academy of Medical Sciences of Ukraine from 2013 to 2022. Among them, 15 operations (78.9%) were performed for type A acute dissection of the aorta, 4 (21.1%) for type A chronic dissection of the aorta. Of the 19 operated patients, 5 (26.3%) had a diagnosed MS, 14 (73.7%) were the control group of patients with aortic dissection correction and aortocoronary bypass without MS.

Results. A comparative analysis of two groups of patients showed more profound structural changes of the aortic wall especially with MS, which may affect the technical features of surgical intervention in this cohort of patients. Analysis of the mean time of perfusion, aortic clamping and intraoperative blood loss showed that the above indicators were not significantly different in both groups (p > 0.05). Indicators such as length of stay in the intensive care unit, length of stay on a ventilator, and the postoperative level of creatine phosphokinase-MB also were not significantly different in the observed groups.

Discussion. In our study, we evaluated the effect of the presence of MS on the results of surgical correction of aortic dissection and coronary artery bypass grafting. According to the results of our study, it can be stated that MS does not significantly affect the results of surgical treatment, provided that careful approach to planning the operation is employed, and all available intraoperative methods that reduce the risk of postoperative complications are used.

Conclusions. MS significantly accelerates the formation of aortic aneurysm, and also makes it more dangerous in the occurrence of acute dissection. In the group of patients with MS, damage to coronary arteries in most cases was associated with their involvement in the process of dissection, and only in some cases with atherosclerotic lesions. The use of all methods of bleeding prevention, as well as myocardial protection, allows to perform surgery in patients with MS with minimal risk.
BIBLIOMETRIC ANALYSIS OF INNOVATIVE WORK BEHAVIOR IN INDONESIA
Authors: Pratama Muhammad Rizki , Wulandari Ni Putu Febi , Maharani Anisa
Published: September 2023

This research endeavors to achieve two primary objectives: first, to systematically map extant studies on innovative work behavior, and second, to elucidate emerging trends within these studies, emphasizing the Indonesian milieu. The researcher employed a bibliometric analysis, augmented by the PRISMA protocol, and conducted a comprehensive exploration of the Scopus database. The importance of this study is underscored by the distinctive innovative culture of Indonesia and its relative underrepresentation in global innovation indices. Our analysis of a curated set of 35 articles indicates a pronounced focus, predominantly spanning from 2017 to 2023, signaling an upswing in research interest or contributions during this period in Indonesia. The distribution of articles across diverse journals further corroborates the burgeoning relevance of the subject in the Indonesian context. Additionally, key terms such as "Innovative Work Behavior," accompanied by "Knowledge Sharing" and "Job Performance," dominate the discourse, underlining their pivotal role in the research landscape. Moreover, the prevailing inclination towards quantitative research methodologies, in the absence of qualitative ones, creates a methodological void. The disproportionate representation of public and business organizations in the dataset also signifies a population gap, highlighting the need for public administration research to address this gap promptly. Significantly, this study endeavors to bridge the gap in academic literature by referencing globally reputed works on innovative work behavior, with a particular emphasis on the Indonesian context, which has been largely underrepresented in scholarly discussions.
PARTISIPASI LEMBAGA ADAT DAN MASYARAKAT ADAT DALAM PENGEMBANGAN PROGRAM GEOWISATA DI DESA TRUNYAN BERDASARKAN PERDA NO 2 TAHUN 2012
Authors: I dewa ayu Wirantari
Published: September 2023

Pembangunan pariwisata sejak otonomi daerah hingga dewasa ini telah mengalami perubahan-perubahan. Bali sebagai daerah wisata memiliki daya tarik dalam wisata budaya. Program Geowisata di desa Trunyan sebagai program yang memanfaatkan alam atau kebumian sebagai objek utama kepariwisataannya. Partisipasi masyarakat serta Lembaga adat sangat dibutuhkan dalam pengembangan Program Geowisata Tujuan dalam penelitian ini bahwa penulis ingin melihat partisipasi dari masyarakat dalam pengembangan program geowisata, teori yang digunakan dalam penilitian ini adalah partisipasi dengan konsep pengembangan pariwisata Adapun permasalahnya pada penelitian ini, kurangnya partisipasi masyarakat milenial akan kebermanfaatan program geowisata sehingga pengembangan pariwisata belum optimal. Metode Penelitian menggunakan metode penelitian deskritif kualitatif, penelitian deskriptif kualitatif yang dimaksudkan sebagai pengukuran fenomena sosial tertentu yang mampu mengembangkan konsep serta menghimpun fakta tetapi tidak melakukan hipotesi. Hasil penelitian ini Pentingnya partisipasi masyarakat serta Lembaga pemerintah diantaranya adalah mampu mengidentifikasi masalah dan potensi desa Trunyan sehingga mampu mengoptimalkan pembangunan pariwisata budaya. Partisipasi Lembaga dan masyarakat adat dalam pengembangan goewisata “Bali Aga” berdasarkan Perda No.2 Tahun 2012 ini bertujuan untuk mengukur seberapa besar pengaruh Lembaga serta masyarakat dalam mewujudkan program Geowisata berdasarkan atas peraturan daerah.
IMPLEMENTASI KEBIJAKAN PELAYANAN KESEHATAN BAGI PENGGUNA BPJS DI PUSKESMAS MASALEMBU KABUPATEN SUMENEP
Authors: Zamzami Kudwah , Hayat Hayat
Published: September 2023

Badan pelaksana Jaminan Sosial adalah sebuah badan hukum untuk melaksanakan program jaminan sosial. Namun demikian, pada aspek program BPJS khususnya di kepulauan masalembu masih membutuhkan perhatian khusus. penelitian ini bertujuan untuk mendeskripsikan implementasi kebijakan pelayanan bagi pengguna badan penyelenggara jaminan sosial di kantor puskesmas masalembu kabupaten sumenep. Penelitian ini menggunakan model implementasi menurut Reny Nugraheni guna mendeskripsikan tentang implementasi program BPJS. Metode penelitian dalam penelitian ini yaitu menggunakan deskriptif kualitatif.  Hasil dari penelitian ini menunjukkan bahwa implementasi kebijakan dapat di tinjau dari  lima faktor. Diantaranya; (1).Tersedia; pelayanan, tempat UGD, USG, Serta lab sudah tersedia. (2). Dapat  diterima;  program BPJS sepenuhnya dapat di terima oleh masyarakat masalembu. (3). Mudah dicapai;  lokasi yang tersedia sepenuhnya dapat ter akses oleh masyarakat sehingga pengaturan distribusi sarana kesehatan menajadi hal yang pokok. (4). Dapat dijangkau; adanya program BPJS tentunya dapat menjakau dan membantu finansial masyarakat. (5). Bermutu; bahwa kebermutuan program BPJS sudah maksimal dan sesuai dengan standar yang telah di tetapkan. Kemudian dari segi hambatan, Sedikitnya ada tiga : pertama, dari segi sumber daya manusia. Kedua, internet dan infrastruktur. Ketiga, birokrasi. dan terakhir tentang kurang meratanya informasi tentang adanya program BPJS.
Effect of Spirulina Platensis on Liver Malondialdehyde Levels of Male White Rat Induced by High Dose Paracetamol
Authors: Vanny Anggilia , E. J. Tehupuring Sihning , Ngesti Rahayu Indri , Indrawati Roostantia
Published: September 2023

Paracetamol is widely used in therapy, yet it becomes hepatotoxic agent in a high dose using. The CYP450 enzyme metabolizes a small portion of paracetamol to a reactive substance, NAPQI. High dose of paracetamol causes an extensive increase in NAPQI levels. NAPQI then binds to hepatocytes conditions of oxidative stress. Spirulina platensis contains C-phycocyanin, flavonoids, and phenolics that inhibit lipid peroxidation and reduce oxidative stress. This study aims to determine the effect of Spirulina platensis on MDA levels in the liver tissue of male Wistar rats induced by high dose of paracetamol. This research was experimental with a Randomized Post-test Only Control Group design using 24 white male rats divided into three groups; negative control group (G-), positive control group (G+) was given paracetamol at a dose of 1,250 mg/kg on the 8th day, and treatment group (Gt) was given an amount of Spirulina platensis extract 360 mg/kg BW/day for ten days from 1st until 10th day and paracetamol at a single dose of 1,250 mg/kg BW on the 8th. At the 10th day of the treatment, all groups were terminated for liver tissue collection. TBA test was used to calculate MDA levels. Statistical tests analyzed the results of the data. This statistical tests by SPSS software: MDA levels in the treatment group did not significantly differ (p = 0.144) compared to the negative control group. There was a significant difference of liver tissue MDA levels in the treatment group (p = 0.016) compared to the positive control group.  This study concludes that administering Spirulina platensis at a dose of 360 mg/kg/day for ten days can help prevent on increase in tissue MDA levels and maintain liver conditions close to their original state.
DOĞAL MİRASIN KÜLTÜREL MİRAS İLE BULUŞMASI: VOLKANİZMA VE TARİHÖNCESİ YERLEŞİM STRATEJİLERİ İLİŞKİSİ AÇISINDAN VOLKANİK KAPADOKYA
Authors: GÜNGÖRDÜ Fevzi Volkan
Published: September 2023

ÖZET

Orta Anadolu Bölgesi’nin güneydoğu bölümünü oluşturan Volkanik Kapadokya Bölgesi volkanizma temelli yeryüzü şekillerinin çeşitliliği açısından Anadolu’nun unik bölgeleri arasında gösterilebilir. Volkanizmanın bir sonucu olarak ortaya çıkan lav akıntılarının, buzul çağlarının düşük sıcaklık değerlerinin bir sonucu olarak ani donmaları sonucunda oluşan obsidiyenin Yakındoğu’da ki sınırlı kaynakları arasında gösterilen Volkanik Kapadokya bölgesi bu ayırıcı niteliği sebebiyle hem birçok tarihöncesi yerleşim yerine ev sahipliği yapmış hem de Yakındoğu’nun diğer bölgeleri ile tarihöncesi dönemlerde yoğun ilişkiler kurmuştur. Dolayısıyla Volkanik Kapadokya Bölgesi’nin doğal mirasının temelini oluşturan volkanizmanın bir sonucu olan obsidiyen bölgenin kültürel mirasının başlangıcı olarak kabul edebileceğimiz tarihöncesi yerleşim yerlerinin kurulması ve komşu bölgelerdeki tarihöncesi yerleşimler ile kurulan ilişkilerin ana konusunu oluşturmaktadır. Bu bağlamda Volkanik Kapadokya Bölgesi doğal miras ve kültürel mirasın buluştuğu ünik bir bölge olarak tanımlanabilir. Bu makale doğal miras kültürel miras ilişkisini volkanizma ve tarihöncesi yerleşimler üzerinden değerlendirmektedir.
DOĞAL VE KÜLTÜREL MİRASIN ÖĞRETİMİNDE SOSYAL BİLGİLER DERSİNİN YERİ VE ÖNEMİ
Authors: KARA İlyas , TOKMAK Ahmet
Published: September 2023

Doğal ve kültürel mirasın öğretiminde Sosyal Bilgiler dersinin yeri ve önemini incelemeyi amaçlayan bu araştırma nitel bir çalışma olup doküman analizi yöntemi kullanılmıştır. Verilerin toplanmasında günümüzde uygulanmakta olan Sosyal Bilgiler Dersi Öğretim Programı ve Sosyal Bilgiler ders kitaplarından yararlanılmıştır. Sosyal Bilgiler Dersi Öğretim Programından ve ders kitaplarından elde edilen veriler betimsel analiz tekniği ile çözümlenmiştir. Araştırma sonucunda Sosyal Bilgiler Dersi Öğretim Programında doğal ve kültürel mirasın öğretimine ve korunmasına yönelik öğelere yer verildiği, öğretim programında yer alan 131 kazanımdan 28’inin doğal ve kültürel mirasla ilişkili olduğu görülmüştür. Sosyal Bilgiler ders kitaplarında doğal ve kültürel mirasa yönelik yazılı ve görsel öğelere yer verildiği, ders kitaplarının Türkiye’deki doğal, kültürel, tarihi ve turistik öğeleri tanıtıcı nitelikte olduğu ancak buna karşılık turizm konusuna öğretim programı ve ders kitaplarında yeterince yer verilmediği sonucuna ulaşılmıştır. Ders kitaplarında yer alan doğal ve kültürel mirasla ilgili yazılı ve görsel öğelerin daha çok Türkiye’deki doğal ve kültürel mirasla ilişkili olup dünyanın farklı yerlerindeki doğal ve kültürel miras öğelerine yeterince yer verilmediği görülmüştür. Elde edilen sonuçlar doğrultusunda öğretim programı ve ders kitaplarında turizm konusu daha fazla ele alınması, ders kitaplarında dünyanın değişik yerlerinde bulunan doğal ve kültürel miras öğelerine daha sık yer verilmesi önerilebilir.
DİJİTAL SÜREÇLERİN DOĞAL VE KÜLTÜREL MİRAS TURİZMİNİN GELİŞİMİNE ETKİSİ
Authors: YARALI Cihan , ÖZÇELİK BALOĞLU Özge
Published: September 2023

Turizm, dünya çapında doğal ve kültürel mirasın tanıtılması ve korunmasında önemli bir rol oynamaktadır. Dijitalleşmenin gelişiyle birlikte turizm endüstrisi üzerinde dönüştürücü bir etki olmuştur. Bu makalede, doğal ve kültürel miras turizmi ile dijitalleşme arasındaki ilişkiyi araştırılmış ve beraberinde getirdiği fırsatları ve zorlukları vurgulanmıştır. Dijital teknolojilerin turizm deneyiminde nasıl devrim yarattığını, erişilebilirliği nasıl artırdığını ve koruma çabalarını nasıl kolaylaştırdığı incelenmiştir. Ayrıca, miras turizminin dijitalleştirilmesiyle ilgili potansiyel riskler ve etik hususlar araştırılmıştır. Bu makale, doğal ve kültürel miras turizmi ile dijitalleşme arasındaki kesişime kapsamlı bir genel bakış sunmayı amaçlamaktadır. Doğal ve kültürel miras alanları, farklı bölgelerin eşsiz manzaralarını, tarihi eserlerini ve geleneklerini keşfetmek ve deneyimlemek isteyen turistleri uzun süredir cezbetmektedir. Teknolojideki gelişmelerin yönlendirdiği dijitalleşmenin ortaya çıkışı, turizm de dâhil olmak üzere çeşitli sektörlerde devrim yaratmıştır. Dijitalleşme ile doğal ve kültürel miras turizmi üzerindeki etkisi incelenmiş, potansiyel faydaları, zorlukları ve sonuçları keşfedilmeye çalışılmıştır.

ABSTRACT

Tourism plays an important role in the promotion and protection of natural and cultural heritage worldwide. With digitalization, on the tourism industry; It has had a transformative effect in terms of visitor satisfaction, informed circulation, efficiency and process facilitation. Natural and cultural heritage sites have long attracted tourists who want to explore and experience the unique landscapes, historical monuments and traditions of different regions. The emergence of digitalization driven by developments in technology has revolutionized various industries, including tourism. In this article, the relationship between natural and cultural heritage tourism and digitalization has been explored and the opportunities and challenges it brings are highlighted. Successful practices are exemplified by examining how digital technologies revolutionize the tourism experience, increase accessibility, and facilitate conservation efforts. Different perspectives have been tried to be put forward, especially on issues such as sustainability, education, visitor experience, and local economy. In addition, the potential risks and ethical considerations associated with digitizing heritage tourism are explored. This article aims to provide a comprehensive overview of the intersection between natural and cultural heritage tourism and digitalization and is expected to shed light on specific future studies.
Laboratuvar Deneylerinde Gerçek-Emek Görevleri
Authors: DEMİRTAŞ Burak Kağan , DOĞAN Abdullah
Published: September 2023

Ekonomi biliminde kullanılan laboratuvar deneyleri birçok teknik özellik bakımından birbirinden farklılaştırılmaktadır. Bu teknik özelliklerden biri de deneyin gerçek-emek görevi içerip içermediğidir. Gerçek-emek görevi, deney katılımcılarının deney esnasında gerçek bir iş üzerinde çalıştıkları, zaman ve emek harcadıkları ve bu şekilde performans seviyelerini belirledikleri, sonucunda belirli bir miktarda para kazandıkları görev olarak açıklanmaktadır. Bu çalışmanın amacı deneysel ekonomi çalışmalarında sıklıkla kullanılan gerçek-emek görevlerini incelemek ve gerçek-emek görevi içeren deney yürütecek araştırmacıların karşılaşabilecekleri olası sorunları tartışmaktır. Bu inceleme kapsamında, literatürde sıkça kullanılan gerçek-emek görevleri dört başlık altında toplanmıştır: Matematiksel işlemlere dayalı gerçek-emek görevleri, bulmaca tarzındaki gerçek-emek görevleri, kaydırma çubuğu görevi ve kelime şifreleme görevi. Deney için hangi gerçek-emek görevinin seçildiği çalışmanın sonuçları açısından önemlidir zira sonuçların hatalı şekilde yorumlanmasına sebebiyet verebilme ihtimali vardır. Çalışma sonucunda, öğrenme etkisi, görevin sıkıcılığı ve görevin gerektirdiği yetenekler yaşanabilecek olası ölçme hatalarının kaynağı olarak görülmektedir. Öğrenme etkisi ve görevin sıkıcılığı özellikle denek-içi tasarımlarda problemlere sebebiyet verebilirken, yetenek farklılıklarının ise özellikle denekler-arası tasarımlarda ölçme hatalarına neden olabileceği bulgularına ulaşılmıştır.
The Impact of Oil Prices on The Transportation Industry Stock Returns: The Case of the Turkish Equity Market
Authors: AÇIKGÖZ Türker , SEZGİN ALP Özge
Published: September 2023

This study examines the impact of crude oil prices on transportation sector stock returns of Turkey. ARDL Bound Test approach is utilized to investigate both long-run and short-run impacts. Research findings show that crude oil prices have an adverse impact on stock returns in short-run since oil is a crucial input for transportation firms. However, in long-run, increasing oil prices enhance stock returns in the sector. This result can be explained by the oligopolistic market structure of the industry. This study also investigated the impact of other factors on stock returns such as macroeconomic activity, aggregate stock market performance, and global economic policy uncertainty. The results imply that transportation sector returns are also highly sensitive to macroeconomic and aggregate stock market performances. Besides its academic contribution to the literature, the findings of this research offer precious practical implications for financial investors, industry stakeholders, and policymakers as well.
Feldstein-Horioka Hipotezinin Türkiye Ekonomisi İçin Sınanması: RALS Yaklaşımından Kanıtlar
Authors: ŞEYRANLIOĞLU Onur
Published: September 2023

Dünyada tam sermaye hareketliliği söz konusu olduğunda ülkelerde yurt içi tasarruflar ile yurt içi yatırımlar arasında ilişkinin olmayacağı, yurt içi yatırımların dünya çapındaki sermaye ile finanse edileceği, yurt içi tasarrufların ise daha cazip yatırım imkanları için dünyaya açılacağı ileri sürülmektedir. Feldstein ve Horioka (1980) araştırmasında bu duruma tezat ampirik bulgulara eriştiği için bu durum literatürde Feldstein-Horioka (FH) bulmacası olarak anılmaktadır. Bu araştırmada, Türkiye’de 1989 yılında sermaye hareketlerinin serbestleşmesi sonrası FH hipotezi çerçevesinde tasarruf-yatırım ilişkisinin araştırılması amaçlanmıştır. Araştırmada, 1990-2021 dönemi yıllık verileri ile ADF ve RALS-ADF birim kök ile EG (1987) ve RALS-EG eşbütünleşme testleri uygulanmıştır. Türkiye örneklemi ile FH hipotezi ilk defa RALS prosedürüne dayalı ekonometrik yöntemlerle araştırılmıştır. Bulgularda, Türkiye’de uzun dönemli tasarruf-yatırım ilişkisinin var olduğu ve yurt içi tasarrufların yatırımların yaklaşık %69’unu karşıladığı tespit edilmiştir. Sonuçta, FH hipotezi geçerlidir. Ülkede kalıcı ekonomik büyüme ve finansal istikrarın sağlanabilmesi için yatırımların finansmanında yerli ve yabancı tasarruf dengesinin gözetilmesi, tasarrufların uzun vadeli üretken yatırımlara kanalize edilmesi ve finansal piyasalarda kırılganlık yaratacak ani kararların alınmaması politika önerileri olarak sunulabilir.
ARE POLITICAL STABILITY AND DEMOCRACY EFFECTIVE ON FINANCIAL DEVELOPMENT? EVIDENCE FROM SUB-SAHARAN AFRICAN COUNTRIES
Authors: YILDIRIM Hakan , AKDAĞ İnan
Published: September 2023

The interaction between institutional phenomena such as political stability and democracy and the financial system is an important issue that has been researched for many years. For this reason in this study, the effects of political stability and democracy on the financial system in Sub-Saharan African countries during the period from 2002 to 2019 are investigated. In the study, in which the Two-Stage System Generalized Moments Method estimator is used, the dependent variable is the financial institutions development index. The explanatory variables of the study are the indicators of political stability and democracy. The growth in GDP per capita, trade openness, inflation rate, foreign direct investment and urban population ratio are the control variables. The analyzes display that democracy and political stability have positive effects on financial development. In terms of control variables, while the inflation rate has a negative effect on financial development, the economic growth and trade openness affect financial development positively.
Sistem Kendali Lampu Otomatis Multisensor Menggunakan Metode Fuzzy Logic Control Inferensi Sugeno Berbasis Mikrokontroler
Authors: Tenriawaru Andi , Saputra Rizal Adi , Yusril Muhammad
Published: September 2023

Pemborosan listrik sering disebabkan karena lupa mematikan lampu. Sakelar lampu rumah kebanyakan masih menggunakan sakelar manual yang terpasang pada masing-masing panel baik untuk mematikan maupun untuk menyalakan lampu. Jika rumah mempunyai daerah yang luas atau lantai bertingkat akan mengakibatkan kesulitan dan menghabiskan banyak waktu atau tenaga ketika akan menyalakan atau mematikan lampu, karena sakelarnya yang harus ditekan secara manual. Tujuan penelitian ini adalah menghasilkan sistem kendali lampu otomatis multisensor menggunakan metode fuzzy logic control inferensi Sugeno berbasis mikrokontroler. Penelitian ini menggunakan sensor Light Dependent Resistor (LDR) dan sensor ultrasonik. Sensor LDR digunakan untuk mendeteksi cahaya sekitar yang disimulasikan dengan cara mendekatkan dan menjauhkan sumber cahaya ke sensor LDR, sedangkan sensor ultrasonik digunakan untuk mendeteksi gerakan yang memasuki ruangan. Masukan dari sensor diproses oleh mikrokontroler menggunakan metode fuzzy Sugeno yang melalui proses fuzzyfikasi, aplikasi fungsi implikasi dan deffuzyfikasi. kemudian hasil pengolahan data akan menghasilkan lampu padam atau menyala. Pengujian dilakukan dengan cara memberikan intensitas cahaya yang berbeda-beda berdasarkan fungsi keanggotaan gelap, redup dan terang pada sensor LDR dan sensor ultrasonik melakukan gerakan berdasarkan fungsi keanggotaan dekat, sedang dan jauh yang telah dibuat. Dilakukan 90 percobaan terhadap rule yang telah dibuat dan diperoleh persentase keberhasilan 100%.
Penentuan Prioritas Kerja Menggunakan Simple Addtive Weighting Method Berbasis Website
Authors: Setyaningsih Gustin , Ma’arifah Windiya , Dewi Richy Puspita , Prasetyo Muhamad Awiet Wiedanto
Published: September 2023

Pemerintah desa dan perangkat desa menyusun Rencana Kerja Pembangunan Desa sebagai Rancangan Rencana Pembangunan Jangka Menengah Desa. Ada beberapa kendala dalam penetapan RKPDes karena tidak ada dasar yang sama untuk memutuskan pembangunan mana yang harus diprioritaskan. Pengambilan keputusan masih dalam bentuk musyawarah antar desa atau musyawarah desa dan tidak ada hal khusus yang perlu dipertimbangkan. Mekanisme penetapan program kerja dan penyusunan anggaran di wilayah desa Kedungede menerima informasi dari masyarakat dan memberikan saran kembali pada tingkat yang lebih tinggi seperti Musyawarah Gabungan Masyarakat dan Musyawarah Desa. Hal tersebut dapat diatasi dengan pembuatan fitur RKPDes berbasis website yang dilengkapi sistem penunjang keputusan menggunakan Metode Simple Additive Weighting dengan mengikuti model pengembangan sistem Waterfall. Penelitian ini dilakukan dengan cara pengumpulan data observasi, wawancara, studi pustaka dan pengembangan sistem. Penelitian ini menghasilkan aplikasi berbasis website yang membantu masyarakat untuk menyampaikan aspirasinya kepada pemerintah desa dengan kriteria volume, kebutuhan biaya, waktu penyelesaian, urgensi dan pemanfaatan.
Technology-enhanced learning through virtual laboratories in chemistry education
Authors: Alhashem Fatimah , Alfailakawi Abdullah
Published: September 2023

This research studied the impact of integrating virtual laboratories in chemistry lessons among 22 pre-service teachers who were enrolled in a Bachelor of Education program, focusing on middle and high school science. These participants were systematically divided into an experimental group (EG) and a control group. Both groups engaged in the same organic chemistry lesson and subsequent lab session, the only difference being that EG received additional training via a virtual laboratory prior to the hands-on lab session. A survey, conducted both before and after the experiment, was utilized to measure participants’ attitudes towards the use of virtual laboratories. The quantitative data analysis revealed a significant positive shift in EG’s attitudes post-intervention, suggesting that virtual laboratory experiences enhance their learning and engagement. Specifically, participants exhibited improved understanding of the educational methodologies and heightened engagement during the physical lab work. However, no significant differences were observed between the two groups concerning the technical aspects of the experiments, implying that the virtual labs’ impact on perspectives about the technical components of a chemistry lab was consistent across both groups. These findings support the view of virtual laboratories as a viable supporting tool for science education, promoting technology integration into teaching practices to meet the demands of 21st century learning outcomes. This research concludes with recommendations for future studies to explore further the implications of virtual labs on various aspects of science education.
Exploring effective methods for automated essay scoring of non-native speakers
Authors: Poonpon Kornwipa , Manorom Paiboon , Chansanam Wirapong
Published: September 2023

Automated essay scoring (AES) has become a valuable tool in educational settings, providing efficient and objective evaluations of student essays. However, the majority of AES systems have primarily focused on native English speakers, leaving a critical gap in the evaluation of non-native speakers’ writing skills. This research addresses this gap by exploring the effectiveness of automated essay-scoring methods specifically designed for non-native speakers. The study acknowledges the unique challenges posed by variations in language proficiency, cultural differences, and linguistic complexities when assessing non-native speakers’ writing abilities. This work focuses on the automated student assessment prize and Khon Kaen University academic English language test dataset and presents an approach that leverages variants of the long short-term memory network model to learn features and compare results with the Kappa coefficient. The findings demonstrate that the proposed framework and approach, which involve joint learning of different essay representations, yield significant benefits and achieve results comparable to state-of-the-art deep learning models. These results suggest that the novel text representation proposed in this paper holds promise as a new and effective choice for assessing the writing tasks of non-native speakers. The result of this study can apply to advance educational assessment practices and promote equitable opportunities for language learners worldwide by enhancing the evaluation process for non-native speakers
GRAU DE DEPENDÊNCIA DE CUIDADOS DE ENFERMAGEM EM PACIENTES HOSPITALIZADOS APÓS INTERNAÇÃO EM TERAPIA INTENSIVA
Authors: Vieira Alcivan , de Souza Maximiano Luzia Cibele , Felipe de Lima Costa Kalídia , Chaves Fontoura Fabíola , Costa Fernandes Marcelo , Lopes de Paiva Cavalcanti José Rodolfo
Published: September 2023

Introdução: a definição do grau de dependência de cuidados de enfermagem subsidia o estabelecimento de prioridades assistenciais e o dimensionamento de pessoal em uma unidade de internação hospitalar. Objetivo: identificar o grau de dependência de cuidados de enfermagem em pacientes transferidos da Unidade de Terapia Intensiva para as demais unidades de internação. Método: estudo observacional, transversal e de abordagem quantitativa realizado em um hospital de referência regional do Estado do Rio Grande do Norte. A amostra foi composta por 101 pacientes; os dados foram coletados em formulário onde constava o Sistema de Classificação de Pacientes de Fugulin. Resultados: 62,38% dos pacientes eram do sexo masculino, 61,39% possuíam idade de até 60 anos. Os principais motivos de internação foram agravos traumáticos (33,66%), agravos respiratórios (29,70%), agravos neurológicos (26,73%). Os graus de dependência identificados foram: Cuidados Mínimos (17,82%), Cuidados Intermediários (13,86%), Cuidados Semi-Intensivo (35,64%), Cuidado Intensivo (7,92%) e Cuidado de Alta Dependência (24,76%). Conclusão: houve uma prevalência dos graus de dependência de cuidados Semi-Intensivos e de Alta Dependência, principalmente para o atendimento de necessidades básicas como alimentação, higienização e locomoção. Este perfil de pacientes demanda uma assistência diferenciada dada a transição de um setor que presta cuidados intensivos para uma unidade que, de certa forma, pressupõe menores graus de dependência de cuidados. O estudo também apresenta dados que podem subsidiar o dimensionamento de pessoal de enfermagem no intuito de assegurar uma assistência compatível com as necessidades de cuidado.
Beyond an over-reliance on historical categories like “ghetto” and “suburb”- a study of post-Apartheid Cape Town
Authors: Solomon Jean-Paul
Published: September 2023

In the iltearture on spatial changes in post-Fordist cities, concepts like “ghetto” and “suburb” are commonplace, and they have been applied to numerous contexts. However, this study focuses on the potential limitations of relying too heavily on these historical categories, including continuing to interpret new data to the lens of those categories and/or the ideal types used to describe the quartered post-Fordist city. While, this study acknowledges the utility and relevance of those categories, as well as contextually relevant terms like “former Whites-only” and “former Blacks-only” group areas of the Apartheid-era, the analysis proceeds without relying on those categories, only to reintroduce them later to aid intepretation of the findings. Consequently, this study finds that, while some of Cape Town’s subplaces might resemble the ghetto and suburb ideal types, without an over-reliance on those categories a more nuanced and even paradoxical understanding of neighbourhood change is possible.
Deep Learning for Malaria Diagnosis: Leveraging Convolutional Neural Networks for Accurate Parasite Detection
Authors: Kadhim Widad , A. Taha Dr. Mohammed , Haider D. Abduljabbar
Published: September 2023

malaria is one of the most severe diseases worldwide. However, the current diagnostic method that involves examining blood smears under a microscope is unreliable and heavily relies on the examiner's expertise. Recent attempts to use deep-learning algorithms for malaria diagnosis have not produced satisfactory results. But, a new CNN-based machine learning model has been proposed in a research paper that can automatically detect and predict infected cells in thin blood smears with 94.63% accuracy. This model accurately accentuates the region of interest for the stained parasite in the images, which increases its reliability, transparency, and comprehensibility, making it suitable for deployment in healthcare settings.
The Sum Two of Hermitian Operators Ai=Ti+Mi for Solving the Equations{Ai X=Ui },i=1,2
Authors: Sadiq Eman
Published: September 2023

In this work we study a new class of equations (Ti+Mi)X=Ui, i=1,2 including the sum two of Hermitian operatorsTi and Mi  , i=1,2, concerning the kind of spaces are Hilbert. The existence of joint Hermitian solutions  to summing two equations of operators has been found under both necessary and sufficient conditions. The n*1 block's Moore-Penrose inverse of summing two matrix of operators has been studied. Therefore, we present Hermitian solutions of the two equations of operators (Ti+Mi)X(Qi+mi)=Ui, i=1,2 with finding of it’s the necessary and sufficient conditions.
Preparation, Characterization and Adsorption Properties of Chitosan-Iron Nanocomposite
Authors: Naser Juman
Published: September 2023

Magnetic iron oxide nanoparticles (Fe3O4NPs) were prepared using the co-precipitation technique successfully. The prepared nanoparticles were used to modify chitosan (CHT) to use the produced nanocomposite (CHT/ Fe3O4NPs) as an adsorbent surface for removing methyl green dye from its aqueous solution .Infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), X-ray dispersion spectroscopy (EDS), X-ray diffraction spectroscopy (XRD) and thermal gravimetric analysis (TGA) were used to characterize (Fe3O4NPs) and (CHT/ Fe3O4NPs). The system of adsorption was described by Langmuir, Freundlich and Temken models. The adsorbed dye capacity increases with increasing temperature which indicates to the endothermic nature of adsorption.
Evaluating the toxic efficacy of some bio-insecticides against mature stages of whitefly insect (Bemisia tabaci).
Authors: Hanash Alyaa abdul-ridha
Published: September 2023

This work was conducted to assess the effectiveness of three bio- insecticides (Spinosad, Abamectin and Thiomethoxam) against the mature stages of the whitefly (Bemisa tabaci): Aleyrodidera. HomoPtera . The results showed all pesticides it was active in decreasing the population density of adults in first day after spraying, after which its effectiveness it started to decrease after the 3rd and 7th day of spraying, on the other hand, the lowest population density of nymphs was recorded from day 7 onwards after 2nd spray with pesticides. 17.42 adults/10 leaves and 9.82 nymphs/16 cm2 was the lowest population density after 2nd spray of pesticides comparison with the durations before spraying and the 1st spray, which reached rate of population density (55.14 and 25.37) adults 10/leaf and (47.93 and 21.8) nymphs 16/cm2 respectively, Spinosad pesticides were characterized reduced the population density of adult after (1 and 3) days for each of the 1st spray, which reached an average of (2.11, 3.77) insects/10 leaf and (1.66, 2.66) insects/10 leaf for the 2nd  spray respectively and for the nymphs at the 2nd  spray after (1, 3, and 7) days, which reached an average of (8.66, 4.88, 3.88) nymph/16 cm2 respectively . The present results it shows the effectiveness of the biological agents used (bio-pesticide) and demonstrate that biological insecticides can be used in the management of whitefly by following safety instructions for the use of insecticides and choosing the right time to harvest the plants this is to avoid harm from pesticides as much as possible.
INCREMENTAL QUAIL FARMING BUSINESS AND SWITCHING VALUE IN BUSINESS DEVELOPMENT (CASE STUDY: INTEGRATED WASTE DISPOSAL SITE IN BOGOR CITY)
Authors: Farell Reza Adriyanto  , Rosiana Nia
Published: September 2023

Quail birds are considered one of the poultry commodities in the livestock sector. There is an imbalance between the supply and demand of quail eggs. The quail farm located at the integrated waste disposal site in Bogor City aims to increase its quail egg-laying capacity by 25 percent, with requires an investment. This study aims to analyze the feasibility of developing a quail farm at the Integrated Waste Disposal Site in Bogor City. The feasibility analysis encompasses both non-financial and financial aspects. The results of the non-financial aspect analysis indicate that the planned farm development is viable for implementation, as the feasibility scores for each non-financial aspect exceed 50 percent. The financial analysis, without development, yields an NPV of IDR 232,229,923, an IRR of 21 percent, a Net B/C of 2.04, and a Payback Period of 7 years and 5 months. On the other hand, the financial analysis, with development, yields an NPV of IDR 662,445,448, an IRR of 44 percent, a Net B/C of 3.80, and a Payback Period of 3 years and 9 months. Therefore, under both conditions, the business development plan is financially feasible. Additionally, there is an increase in net benefits of 53.15 percent with the development. Based on the switching value analysis, the farm is sensitive to a decline in income.
FEASIBILITY ANALYSIS OF URBAN SMALLHOLDER RICE FARMING IN BANGAKALA VILLAGE, MANGGALA DISTRICT, MAKASSAR CITY
Authors: Molla Saleh , Nurdin Nurdin
Published: September 2023

Every business that carried out is expected to be sustainable. Businesses in the agricultural sector can continue if they can provide benefits to the management. The sustainability of a business in the agricultural sector can be seen in social economics and ecological sustainability. Economic sustainability can be seen in terms of economic feasibility, for example, being able to generate profit or income. While social sustainability is indicated by the existence of cooperation and the ability to minimize completeness among stakeholders, especially among fellow farming actors, while an  Ecological sustainability farming business occurs when there is an effort among farming actors to conserve land and apply organic farming. This study aims to determine the feasibility of urban rice farming in Bangkala Village, Manggala District, Makassar City. Respondentd were chosen purposively sampling technique. While the data was analyzed  by using B/C ratio. The results of the analysis of the B/C ratio obtained were 0.72, meaning that rice farming for urban farmers in the Bangkala sub-district, Manggala District, from an economic point of view, was no longer feasible or not  longer profitable. Therefore farmers have to look for other sources of income such as becoming construction workers, sellers, or starting a business, so the government needs to intervene to provide training to build the skills needed by farmers.
MEMBER PERCEPTION OF CASSAVA FARMER GROUP PERFORMANCE IN SUNGAI BULUH UTARA VILLAGE, BATANG ANAI DISTRICT, PADANG PARIAMAN REGENCY
Authors: Muhammad Iqbal  , Arianti Nyayu Neti , M. Zulkarnain Yuliarso
Published: September 2023

This research was conducted from January to February 2022 in Buluh Utara Village, Batang Anai District, Padang Pariaman Regency. The aim was to analyze members' perceptions of the performance of cassava farmer group.  The number of farmer group members in Sungai Buluh Utara Village is 119 cassava farmers who are from four farmer group, namely the Women Farmer Group (Kelompok Wanita Tani, KWT) of Kampung Apar, Kampung Apar, Maju Sepakat and Harapan Baru. The number of respondents was 54 people obtained by the Slovin formula and taken proportionally from each farmer group. The performance of farmer group assessed by members includes the role or function of farmer group as Learning Classes, Cooperation Forums and Production Units. Farmers' perceptions of the performance of farmer group were measured using a Likert scale and then grouped into three categories namely Not Good, Quite Good and Good. The results showed that most of the members (61.11%) gave the perception that the performance of the cassava farmer group as a Learning Class was in the good category, while for the Cooperation Forum r the majority (74.08) of the members rated it was less good and for the role as a Production Unit is also viewed as unfavorable by as many as 66.67% of members.