bluuebunny/crossref_metadata_2025 huggingface dataset:
Water flow regulation and incentives for conservation: Coca river - ecuadorian Amazon
Authors: Torres María Cristina , Fierro Vanessa , Paez-Bimos Sebastián , Naranjo Efraín
Published: December 2024

Conservation and land use policies are key to regulating water in watersheds, influencing water quantity, quality and storage, and mitigating risks such as erosion and flooding. In Ecuador, the Socio Bosque Program (SBP), part of the Good Living Development Plan (2013-2017), focused on conservation without fully considering water benefits. To optimize its implementation, the upper basin of the Coca River, relevant for its hydroelectric potential, was evaluated by analyzing the inclusion of water criteria in the SBP. Four scenarios of land cover and land use change were developed using the Delphi method: Business as Usual (BAU), Strengthening of SPB (SBPS), National Incentive Plan (NIP), and Degradation (DEG). Runoff rates were estimated for each scenario using a land cover and land use model (TerrSet) and a hydrological model (SWAT). The results show that BAU and DEG cause a decrease in lateral and base flow and an increase in surface runoff, while NIP is the only scenario that maintains water regulation. This highlights the need for future incentives to prioritize strategic areas for water regulation in line with watershed management objectives.
Comparación de diferentes técnicas de diagnóstico de Dirofilaria immitis en caninos de México
Authors: Loera Rubio Carla Mariana , Flores Huitrón Nora Rosalia , Martínez Labat Juan Pablo , Rodríguez Herrejón Felipe Francisco , Camacho Coronado Carlos Renato , Acevedo Jiménez Gabriel Eduardo , Escobar Chavarría Omar , Ramírez Andoney Vianey , Vargas Ruíz Alejandro , Marín Ernesto Flamand , Aranda Barradas María Eugenia , Autran Martínez Marcela
Published: December 2024

El objetivo del presente trabajo fue realizar un estudio comparativo de algunas pruebas diagnósticas disponibles y establecer la prevalencia de infección en caninos por Dirofilaria immitis en relación con el número de pacientes muestreados en tres ubicaciones geográficas: 50 caninos en Ciudad del Carmen Campeche; (prevalencia=32%), 50 caninos en Yautepec, Morelos (prevalencia=2%); y 50 caninos en la Zona Metropolitana del Valle de México (prevalencia=0%). Con 5 diferentes técnicas diagnósticas se emplearon distintas herramientas estadísticas para obtener valores cualitativos y cuantitativos de importancia para esta investigación. Paralelamente, se calculó y comparó la sensibilidad (S) y especificidad (E) de las técnicas de examen en fresco (S=50%, E=97%), gota gruesa (S=52.9%, E=98.5%), Knott modificada (S=70.6%, E=98.5%), VCheck CHW Ag (S=100%, E=100%) y Anigen Rapid CHW Ag 2.0 (S=100%, E=100%) para el diagnóstico de esta parasitosis. Se resalta la amplia diferencia de pacientes positivos a D. immitis en Campeche con respecto a otras 2 ubicaciones. Para establecer un estudio seroepidemiológico global de Dirofilariosis en México, se debe considerar una muestra de población canina más amplia en diferentes regiones geográficas del país. Se estableció la prevalencia de dirofilariasis. Se comparó la sensibilidad y especificidad de las técnicas de diagnóstico utilizadas señalando a las pruebas VCheck CHW Ag y Anigen Rapid CHW Ag 2.0 como opciones con 100% de sensibilidad y especificidad, por lo que la recomendación emitida es implementar y priorizar el uso de estas técnicas para un diagnóstico certero de dirofilariasis en caninos.
REAL WORLD DATA; EFFECTIVENESS OF COVID-19 TREATMENT IN SEVERE SYMPTOMS PATIENTS AT RS PKU MUHAMMADIYAH GAMPING IN AUGUST 2022-2023
Authors: Simamora Patimah , Risdiana Irma , Khuluq Muh. Husnul , Perwitasari Dyah A
Published: December 2024

Severe COVID-19 has created significant real-world clinical challenges, particularly in the management of critically ill patients in intensive care units. The disease is often accompanied by serious complications, such as acute respiratory distress syndrome (ARDS), multiple organ damage, and increased risk of mortality, particularly in individuals with risk factors such as advanced age and comorbidities. Real World data provide evidence related to effectiveness as patients are observed from admission to discharge. This study aimed to obtain an overview of the effectiveness of COVID-19 treatment with severe symptoms at RS PKU Muhammadiyah Gamping in August 2022-2023. This observational study used a descriptive research design. Data collection was retrospective and was obtained from medical records. Descriptive analyses were conducted including patient characteristics, drug usage, and therapy effectiveness. This study obtained data from 45 patients who met the inclusion criteria for severe COVID-19 ...
ANTIOXIDANT ACTIVITY OF 96% ETANOL EXTRACT OF KROKOT PLANT (Portulaca oleraceae L.) IN FACE SPRAY PREPARATION BY DPPH METHOD
Authors: Dina Pratiwi  , Abdul Aziz Setiawan  , Dede Anggraeni
Published: December 2024

Krokot plants (Portulaca oleracea L.) are weeds that are commonly found in rice fields, plantations, and home yards. Krokot plants have many benefits, including their use as antirheumatic, antibacterial, and antioxidant drugs. The secondary metabolites contained in krokot plants, namely flavonoids, act as the main bioactive compounds. This study aimed to determine the physical properties of face spray preparations and the antioxidant activity of extracts and face spray preparations of 96% ethanol extract of krokot plant (Portulaca oleracea L.) to prevent free radicals. The research method used was Descriptive and inferential analyses were conducted in this study. Krokot plant extract was prepared by maceration using 96% ethanol solvent at a ratio of 1:10 and then used as the active ingredient of formulation (F) at various concentrations of face spray formulations. F1 as negative control, F2 at 0.7%, F3 at 1.4%, and F4 at 2.8%. The results of the physical evaluation of face spray preparations for all formulas met the requirements (organoleptic, pH, homogeneity, dry time test, viscosity, and spray spreadability test). The antioxidant activities of face spray preparations in F1, F2, F3, and F4 had IC50  values of 110.914, 106.581, 85.261, and 64.936 ppm, respectively. The conclusion of this study is that the extract and face spray preparation formula of 96% ethanol extract of krokot plant (Portulaca oleracea L.) have antioxidant activity. Formula 4 showed the best physical properties of face spray preparation.
Keywords: Formulation, krokot plant extract, face spray, antioxidant.
REVIEW ON PHOTOSENSITIZER POTENTIAL OF NATURAL DYES FOR ANTIMICROBIALS USING PHOTODYNAMIC INACTIVATION
Authors: Ayu Mulyani  , Ika Yuni Astuti  , Djalil Asmiyenti Djaliasrin
Published: December 2024

Infectious diseases still threaten human life, with incidents continuing to increase every year. The increase in antibiotic resistance in recent years has been one of the causes. This incident triggered research to find alternative antibacterial therapies. One such alternative therapy is Photodynamic Inactivation (PDI). This paper reviews the application of PDI for treating diseases caused by microorganisms, especially dermatitis,  periodontitis, blood transfusions, and foodborne diseases, emphasizing the use of natural dyes as photosensitizers. The source for this article was obtained from several indexed databases, such as the National Center for Biotechnology Information (NCBI), Elsevier, and Google Scholar, from 2002 to 2024. The keywords used included “photodynamic therapy", “photodynamic inactivation (PDI)”, "antimicrobial photodynamic therapy (aPDT)", “laser-activated disinfection”, “photoactive disinfection”, “LED”, “natural photosensitizer”, “curcumin”, “riboflavin”, “hypericin”, “chlorophyll and chlorophyllin. Original (clinical and experimental) studies, case series, case reports, and reviews were also included. Letters to the editor and commentaries are excluded. After reviewing 148 relevant articles, 57 were selected. Full texts were read, and data were extracted and entered into tables. The review demonstrated that natural photosensitizers, such as curcumin, hypericin, riboflavin, and chlorophyll derivatives, have the potential to reduce the number of microorganisms in PDI therapy. Photosensitizers can be obtained from several natural sources. Using the PDI procedure, the ROS produced have been proven to effectively inhibit pathogenic microorganisms and can be widely used to treat diseases caused by microorganisms.
Keywords: curcumin, hypericin, riboflavin, chlorophyllin derivatives, PDI, natural dye, antimicrobial.
COMPARISON OF UV-VIS SPECTROPHOTOMETRIC AND HPLC METHODS IN THE ANALYSIS OF RETINOIC ACID AND HYDROQUINONE CONTENT IN FACE CREAMS: A LITERATURE REVIEW
Authors: Syifni Moza Aulia , Utami Marsah Rahmawati
Published: December 2024

UV-Vis spectrophotometry and HPLC are commonly used for the analysis of hydroquinone and retinoic acid, as both instruments offer a combination of accuracy, sensitivity, and ease in detecting and quantifying these compounds. UV-Vis is quick and simple to detect the content of materials based on light absorption, while HPLC is superior in separating and analyzing compounds in complex mixtures with high precision. The purpose of this literature review is to compare UV-Vis Spectrophotometry and HPLC methods for analyzing hydroquinone and retinoic acid, and a comparison was performed by examining method validation data between UV-Vis spectrophotometry and HPLC. The method applied involves a review of various related research journals, utilizing the Publish or Perish application using the Google Scholar and Semantic Scholar search engines. The results and conclusions of this study recommend HPLC as the method of choice for the identification of harmful substances, such as retinoic acid and hydroquinone, in face creams.
Keywords: retinoic acid, hydroquinone, face cream, uv-vis spectrophotometry, HPLC
OPTIMIZATION OF GELATIN CONCENTRATION IN TABLET WITH AFRICAN LEAF EXTRACT (Vernonia Amygdalina)
Authors: Wahlanto Panji , Yusuf Anna L , Nugraha Davit , Siti Rahmah KR  , Dissya Alifia
Published: December 2024

African plants, especially the leaves, are a type of medicinal plant used by the community. This African leaf contains active lavonoids that can be used to measure blood glucose levels. Tablet preparations have the advantage that they are easy to consume, so in this study African leaves (Vernonia Amygdalina) were made into tablets. The ratios of the binder used were 4%, 5%, and 6%. After obtaining the evaluation results, data analysis was performed using the Kruskal–Wallis SPSS statistical test with a confidence level of 95%. The evaluation results showed that the three formulations only fulfilled the respective requirements, namely for the angle of repose test between 16.6° - 21.3°, the granule thickening test of all formulations is below <20% and meets the requirements, the weight uniformity test has an average of 191-192 mg meeting the predetermined requirements, namely not more than 3 times with an average of 7.35 -7.36 mm and a thickness of mean +  SD 0,47  the disintegration time test of all formulations stated that they met the requirements that had been determined that is not more than 15 minutes, the friability test only on formulation III which met the requirements to get a result of 0.54% in formulations I and II did not meet the specified requirements, the hardness test of all formulations did not meet the specified test requirements.
 Keywords: African leaf extract, gelatin, tablets.
FORMULATION AND ANTIOXIDANT ACTIVITY FACE MIST KOMBUCHA OF TELANG FLOWER (Clitoria ternatea L.) WITH DPPH METHOD (2,2 Difenyl-1-Piksryhidrazil)
Authors: Yayan Rizikiyan  , Sopiah Sopi Siti , Amelia Renny , Indriaty Sulistiorini , Senja Rima Yulia
Published: December 2024

Telang flower (Clitoria ternatea L.) contains anthocyanins that are efficacious as natural antioxidants. Face mist with synthetic materials, such as tertiary-butyl hydroquinone (TBHQ), has side effects that are carcinogenic and can cause tumors if used for a long time. Currently, many studies haveeinvestigated the conventional biotechnology product kombucha,, which is a drink made from tea fermented by bacteria and yeast (Scoby/Symbiotic Colony (Culture) Bacteria &Yeast,), as the initial culture of the tea produces an aroma or sour taste. Kombucha has various anti-inflammatory, antibacterial, and antioxidant activities of certain strains, which are expected to provide good antioxidant activity when combined with the natural ingredients of Telang flowers. In this study, telang flower simplicia was fermented for 6 days until telang flower kombucha tea was obtained, and face mist preparations in three concentrations (5%, 7,5%, and 10%) were prepared to determine the antioxidant activity using the DPPH method measured by UV-Vis spectrophotometry by looking at the % inhibition and IC50 values. Based on the results of the evaluation with the parameters of organoleptic testing, pH, homogeneity, spray dispersion, specific weight, viscosity, and drying time met the requirements. The result of the antioxidant activity test of vitamin C of 4,36 ppm, kombucha of telang flower of 14,19 ppm, and face mist of kombucha of telang flower with concentrations of 5%, 7,5% and 10% produced IC50 values of 21,19 ppm, 19,62 ppm, and 17,52 ppm and were included in the very strong category.
 Keywords: Antioxidant, Telang flower, Face mist, DPPH, Kombucha
ANALYSIS OF MACHINING FORCES IN FRONTAL MILLING OF ABNT 1045 STEEL WITH MQF APPLICATION OF BABASSU OIL
Authors: Rodrigues Jean Robert Pereira , Leitão Filho Sebastião Raimundo de Jesus Belém , Assunção Wellington de , Oliveira Fernando Lima de , Martins Keyll Carlos Ribeiro , Sousa Sonia Rocha Santos , Junior Jorge Bertoldo , Rocha Moises dos Santos , Silva Reginaldo Nunes da , Lobato Filho Ozéias Rodrigues
Published: December 2024

Several aspects characterize the machinability of a material, among them the required cutting power, surface finish and tool life, being these parameters improved using cutting fluids. The objective of this work is to evaluate the effect of the application of refined babassu oil (Orbignya oleifera), when used as cutting fluid with minimum amount of fluid (MQF) technique, in the machining forces of ABNT 1045 during frontal milling process. The methodology consisted of the application of babassu oil, comparing its performance with the commercial cutting fluid LB 2000, both in the MQF technique, and with the dry condition. It was carried out an Experimental Planning - DOE factorial 25, having as variables the cutting speed, feed speed, cutting depth and cutting fluid at various MQF flow rates, being analyzed the cutting forces, feed force and passive force. Babassu oil, besides ecologically correct, allowed values of machining forces lower than the dry condition and in line with the LB 2000 oil, being more efficient at 50 ml/h and 200 ml/h fluid flow rates.
ФРАЗЕОЛОГИЗМЫ С КОМПОНЕНТОМ КОЛОКОЛ В РУССКОЙ И КИТАЙСКОЙ ЛИНГВОКУЛЬТУРАХ
Authors: Николаева Е.К. , Бай Г.
Published: December 2024

В статье рассматриваются устойчивые выражения русского и китайского языков, в которых содержится лексема колокол – один из частотных компонентов во фразеологии с «музыкальными мотивами», обладающий большим лингвокультурологическим потенциалом. Анализ фразеологического материала двух языков позволил показать как общее, так и различное, выявить национальную специфику фразеологизмов с образом колокола, что является целью данной статьи. Актуальность работы обусловлена перспективностью исследований фразеологии в целом и отсутствием сравнительного описания рассматриваемой группы фразеологических единиц русского и китайского языков. Использование методов лингвокультурологического и сопоставительного анализов позволил авторам прийти к выводам, что одно и то же слово может порождать различные ассоциации, иметь специфический набор коннотативных признаков, что обусловлено особенностями в культуре и менталитете наций. Наибольшее число совпадений обнаружено в группе фразеологизмов, связанных с речевой деятельностью, где колоколможет характеризовать как акустико-физиологическую, так и содержательную сторону речи. В целом в китайском языке образная составляющая семантики фразеологизмов с анализируемым компонентом шире, чем в русском – лексема может обозначать богатство, настоящее искусство, любовь, ум и старость.

The article examines phraseological units in the Russian and Chinese languages, which contain the word bell – one of the frequent components in phraseology with “musical motifs”, which has great linguistic and cultural potential. The comparison of the phraseological material of the two languages made it possible to show both the common and the different in the two linguistic cultures, to identify the national specifics of phraseological units with the bellcomponent, which is the purpose of this article. The relevance of the work is due to the prospects of linguistic and cultural studies of phraseology in general and the lack of a comparative description of this group of phraseological units in two linguistic studies. The use of methods of linguistic and cultural analysis and comparative analysis allowed the authors to conclude that the same reality can generate different associations between Russians and Chinese, have a different set of associative features due to the difference in culture and mentality of the nations. The largest number of coincidences was found in the group of phraseological units associated with speech activity, where the bell can characterize both the acoustic-physiological and the meaningful side of speech. In general, in Chinese phraseology, the figurative component of the semantics of phraseological units with the bellcomponent is wider than in Russian: the lexeme can act as a symbol of wealth, real art, love, intelligence and old age.
ЭЛЕКТРОННОЕ ОБУЧЕНИЕ ДИСЦИПЛИНАМ ФИЛОЛОГИЧЕСКОГО ЦИКЛА
Authors: Крапивник Е.В.
Published: December 2024

В статье рассмотрены особенности электронного обучения как одной из ведущих форм современного образования, в частности, дисциплинам учебного плана направления «Филология». Представлены материалы по ряду предметных областей филологического цикла и рекомендации по организации цифрового обучения для иностранных и российских студентов. После пандемии COVID-19 многие вузы продолжают широко использовать известные учебные платформы, а также создают собственные электронные образовательные системы. В статье отражен опыт создания онлайн-курсов по дисциплинам филологического цикла для иностранных студентов-филологов, обучающихся по программам бакалавриата и магистратуры. Отмечается, что сочетание традиционной текстоцентрической методики преподавания русского языка как иностранного и технологий электронного обучения позволяет создать цифровые ресурсы, в высокой мере соответствующие дидактическим принципам доступности, прочности, наглядности, связи теории с практикой, систематичности и последовательности, самостоятельности, активности и сознательности учащихся, а потому, как показала практика, востребованные не только иностранными, но и российскими студентами. Тем самым умелое использование образовательных возможностей информационно-коммуникационных технологий, современных гаджетов, мультимедийных систем, педагогических инноваций позволяет повысить гибкость, конкурентоспособность российского образования, в частности, филологического.

The article considers the features of e-learning as one of the leading forms of modern education, in particular, of philological sciences training. The author presents educational materials on a number of the philological sciences and recommendations on the foreign and Russian Philology students e-learning. After the COVID-19 pandemic, many universities use well-known online educational platforms and create their own electronic educational systems which host e-learning courses. The article presents the experience of creating e-courses in the Philological sciences for foreign students of philology studying undergraduate and graduate programs. It is noted that the combination of traditional text-centric methods of Russian as a Foreign Language training and e-learning technologies makes it possible to create specialized online-courses in Philology that are highly consistent with the didactic principle of thorough acquisition of knowledge, skills and abilities, the principle of connecting theory with practice, the principle of systematization and continuity, etc. As practice has shown, not only foreign, but also Russian students demand these online-courses. It seems that the skillful use of the didactic capabilities of information and telecommunication networks and technologies, modern gadgets, multimedia systems, and pedagogical innovations makes it possible to increase the accessibility, flexibility, and competitiveness of Russian philological education.
КРАЕВЕДЧЕСКАЯ ИНФОРМАЦИЯ В УЧЕБНЫХ ПОСОБИЯХ ПО РУССКОМУ ЯЗЫКУ ДЛЯ ДЕТЕЙ-ИНОФОНОВ
Authors: Сироткина Т.А.
Published: December 2024

В настоящее время в стране особое внимание уделяется обучению русскому языку как неродному детей-инофонов. В связи с этим актуален вопрос изучения языка в полиэтнических регионах, в частности, в ХМАО-Югра. Важно дать школьникам не только знания и умения, направленные на развитие основных речевых видов деятельности, необходимых для повседневной коммуникации, но и обратиться к страноведческим, краеведческим темам, с помощью которых возможно достижение социокультурной адаптации обучающихся, погружение их в определенную культурную среду. В статье рассматривается возможность использования текстов краеведческой тематики в учебныхпособиях по русскому языку для детей-инофонов. Делается вывод о том, что работа с региональными текстами поможет данной категории обучающихся преодолеть процесс языковой и социокультурной адаптации в обществе.

Recently, in Russia as a whole and in some regions in particular, more and more attention has been paid to the methods of teaching Russian to non-native-speaker children. This methodological problem is also relevant in such a multi-ethnic region as Khanty-Mansi Autonomous Okrug -Yugra. It is important to give schoolchildren not only knowledge and skills aimed at developing the basic speech activities necessary for everyday communication, but also to address regional studies and local history topics, with the help of which it is possible to achieve socio-cultural adaptation of students, immersing them in a certain cultural environment. The article considers the possibility of using local history texts in Russian language teaching aids for non-native-speaker children. It is concluded that working with regional texts will help this category of students to more successfully go through the process of linguistic and socio-cultural adaptation in a new community.
Расчет многослойной ограждающей конструкции стены при воздействии внешних сил и температуры
Authors: Бахмисова М.А. , Гоник Е.Г. , Сакмарова Л.А.
Published: December 2024

В работе выполнен расчет на несущую способность многослойной ограждающей конструкции стены с жесткими связями при действии внешних сил и температуры. Для исследования и расчета была запроектирована и рассчитана наружная ограждающая конструкция нового здания. Расчет выполнен согласно [4-7]

The study presents a calculation of the load-bearing capacity of a multi-layer wall enclosure structure with rigid connections under the influence of external forces and temperature. For the purpose of analysis and calculation, the external enclosing structure of a new building was designed and calculated. The calculation was performed in accordance with [4-7].
Мультивесовая теория слабых разрывов, распространяющихся в полуизотропной термоупругой микрополярной среде
Authors: Мурашкин Е.В. , Стадник Н.Э.
Published: December 2024

В настоящей работе рассматривается мультивесовая теория слабых разрывов температурного инкремента, трансляционных и спинорных перемещений в полуизотропной термоупругой микрополярной среде. Предлагаемая к рассмотрению математическая теория существенным образом опирается на достижения современного псевдотензорного исчисления. Приводятся определения мультивесовых псевдотензорных элементов площади и объема. Выводится общая мультивесовая форма псевдотензорного соотношения на волновой поверхности, распространяющейся в полуизотропной термоупругой микрополярной среде. Исследуются слабые разрывы решений связанной системы псевдовекторных дифференциальных уравнений в частных производных полуизотропной микрополярной термоупругости. С этой целью геометрические и кинематические условия Адамара–Томаса обобщены на псевдотензорный случай с учетом псевдотензорной геометрии распространяющейся поверхности слабых разрывов. Найдены скорости распространения волновых поверхностей трансляционных и спинорных перемещений. Проведена классификация слабых разрывов температуры, трансляционных и спинорных перемещений и исследованы их пространственные поляризации. Установлены условия атермичности, распространяющихся волновых поверхностей слабых разрывов.

In this paper, we consider a multiweight theory of weak discontinuities of the temperature increment, translational and spinor displacements in a semi-isotropic thermoelastic micropolar medium. The mathematical theory proposed for consideration is substantially based on the achievements of modern pseudotensor calculus. Definitions of multiweight pseudotensor elements of area and volume are revisited. A general multiweight form of a pseudotensor equation on a wave surface propagating in a semi-isotropic thermoelastic micropolar medium is derived. Weak discontinuities of solutions of the coupled system of pseudovector partial differential equations of semi-isotropic micropolar thermoelasticity are studied. For this aim the geometric and kinematic Hadamard–Thomas conditions are generalized to the pseudotensor case taking account of the pseudotensor geometry of the propagating surface of weak discontinuities. The propagation velocities of wave surfaces of translational and spinor displacements are found. A classification of weak discontinuities of temperature, translational and spinor displacements is carried out and their spatial polarizations are studied. The conditions of athermality of propagating wave surfaces of weak discontinuities are established.
Плоские гармонические термоупругие волны в ультрагемитропном микрополярном теле
Authors: Мурашкин Е.В. , Радаев Ю.Н.
Published: December 2024

Работа посвящена проблемам, связанным с распространением плоских гармонических связанных волн температурного инкремента, трансляционных и спинорных перемещений в ультрагемитропном микрополярном термоупругом теле. Приводится замкнутая система дифференциальных уравнений в частных производных второго порядка относительно температурного инкремента и перемещений (трансляционных и спинорных). Найдены и проанализированы характеристические уравнения для волновых чисел плоских гармонических связанных термоупругих волн. Получены алгебраические выражения для корней характеристических уравнений и отделены нормальные волновые числа с положительной действительной частью. Для продольной волны комплексные амплитуды температурного инкремента, трансляционных и спинорных перемещений оказываются связанными, в отличие от атермической по своей природе поперечной волны.

The study is devoted to problems associated with propagation of plane harmonic coupled waves of temperature increment, translational and spinor displacements in an ultrahemitropic micropolar thermoelastic solid. A closed system of differential equations in partial derivatives of the second order with respect to the temperature increment and displacements (translational and spinor) is revisited. Characteristic equations for wavenumbers of plane harmonic coupled thermoelastic waves are found and analyzed. Algebraic expressions for the roots of the characteristic equations are obtained and normal wavenumbers with a positive real part are separated. For a longitudinal wave, complex amplitudes of the temperature increment, translational and spinor displacements are coupled, in contrast to a transverse wave, which is athermal in nature.
Üniversite Öğrencilerinin Kozmetik Cerrahi Kabul Düzeyleri ve Etkileyen Faktörler
Authors: Çoban Niran , Yedekçi Zeynep , Altungök Buket
Published: December 2024

Dünya genelinde kozmetik cerrahiye olan talep hızla artmaktadır. Günümüzde medyanın etkisi sonucunda bireylerin beden imajına yönelik düşüncesi ve dolayısı ile kozmetik cerrahiyi kabul durumları etkilenebilmektedir. Bu çalışmanın amacı üniversite öğrencilerinin kozmetik cerrahiyi kabul durumları ve etkileyen faktörlerin belirlenmesidir. Tanımlayıcı tipte olan bu araştırma Eylül 2022–Ocak 2023 tarihleri arasında bir vakıf üniversitesinde lisans veya ön lisans düzeyinde öğrenim görmekte olan, araştırmaya katılmayı kabul eden ve anket formunu eksiksiz dolduran 326 öğrenci ile araştırma tamamlandı. Araştırma verileri Bireysel Özellikler Formu ve Kozmetik Cerrahi Kabul Ölçeği kullanılarak çevrimiçi ortamda toplandı. Öğrencilerin yaş ortalaması 20,89±4,51’dir. Öğrencilerin Kozmetik Cerrahi Kabul Ölçeği puan ortalaması 54,917±20,363 olarak bulundu. Ölçek alt boyut puan ortalamalarının ise; Kişisel Boyut 21,666±8,143, Sosyal Boyut 13,163±7,794 ve Düşünceler Boyutu 20,089±8,130 olduğu saptandı. Bu çalışma üniversite öğrencilerinin sosyal medya kullanma durumu, sosyal medyada geçirilen süre, sosyal medyada estetik cerrahı takip etme, sosyal medyada filtre kullanma sıklığı, kozmetik malzemelere ayrılan aylık bütçe miktarı ve estetik cerrahi olmayı isteme durumların öğrencilerin kozmetik cerrahi kabul düzeylerini arttırdığını gösterdi.
İnformal İletişim Kanalları Ölçeğinin Türkçe Uyarması: Geçerlilik ve Güvenilirlik Çalışması
Authors: Gözübüyük Onur , Akbolat Mahmut
Published: December 2024

Araştırmanın amacı informal iletişim kanallarını belirlemeye yönelik ölçme aracının Türkçe formunun psikometrik özelliklerini incelemek ve geçerlik ve güvenirliğini test etmektir. İnformal iletişim kanalları ölçeğinin değerlendirilmesinde Johnson vd., (1994) tarafından geliştirilen ölçek kullanılmıştır. Ölçeğin faktör analizleri (keşfedici ve doğrulayıcı) ve güvenilirlik analizi yapılmıştır. Tabakalı örnekleme yöntemi ile veriler toplanmıştır. Çalışmanın örneklemini gönüllü olarak katılan 503 sağlık profesyoneli oluşturmaktadır. Katılımcıların %68,4’ü kadın ve %31,6’sı erkektir. Ayrıca, %60,8’i lisans ve lisansüstü eğitime sahip, %60,6’sı evli ve %47,1 ‘i gibi büyük bir çoğunluğu hemşirelerden oluşmaktadır. Ölçeğin KMO değeri 0,846 ve Bartlett küresellik testi anlamlıdır (p=0,000). Keşfedici faktör analizine göre orijinal ölçekte olduğu gibi üç boyut belirlenmiş, toplam varyansı ise %74,589’dir. Uyum iyiliği değerleri CMIN/DF=2,454, GFI=0,973, NFI=0,974, RFI=0,960, IFI=0,984, TLI (NNFI)=0,976, CFI=0,984 ve RMSEA=0,054 olarak belirlenmiş ve iyi uyum için gerekli şartları sağladığı sonucuna varılmıştır. Ölçeğin Cronbach alfa değeri 0,869’dur. İnformal iletişim kanalları ölçeği, ölçüm aracı olarak geçerli ve güvenilir bir ölçüm aracı olduğu sonucuna varılmıştır. Ölçek, informal iletişimin; kişisel, etki ve kültür boyutu hakkında bilgi toplanmasına olanak sağlamaktadır.
Identification of TIG1 Associated Molecular Targets for Breast Cancer Using Bioinformatic Approach
Authors: Korak Tuğcan , Bal Albayrak Merve Gulsen , Akpınar Gürler , Kasap Murat
Published: December 2024

e-posta/e-mail: tugcankorak@gmail.com/tugcan.korak@kocaeli.edu.tr Kabul Tarihi/Accepted:
Tazarotene-induced gene 1 (TIG1) is involved in modulating the α-tubulin modification and effectively inhibiting tumor growth. In this bioinformatics study, we aim to propose novel therapeutic targets in breast cancer by utilizing differentially expressed genes (DEGs) of TIG1 in inflammatory breast cancer (IBC) and examining their correlation with the molecular and immune subtypes. Using the GEO2R tool, we analyzed DEGs in the GSE30543 dataset, specifically comparing suppressed TIG1 groups with control samples from SUM149 cells. Functional annotation analysis of DEGs were explored using SRplot with data from STRING (|log2(FC)| >2 and p
Yoğun Bakım Hemşirelerinin Ventilatör İlişkili Pnömoninin Önlenmesine Yönelik Bilgi Düzeyleri ve Kanıta Dayalı Hemşireliğe Yönelik Tutumları
Authors: Özkan Tuncay Fatma , Seller Afşar Kübra
Published: December 2024

Çalışma, hemşirelerin ventilatör ilişkili pnömoniyi önlenmeye yönelik kanıta dayalı bilgi düzeyleri ve kanıta dayalı hemşireliğe yönelik tutumlarının belirlenmesi ve iki değişken arasındaki ilişkiyi saptamak amacıyla yapılmıştır. Tanımlayıcı ve ilişki arayıcı bu çalışmanın örneklemini bir devlet hastanesi yoğun bakım ünitelerinde görev yapan 184 hemşire oluşturmuştur. Araştırma verileri; Tanıtıcı bilgi formu, Ventilatör İlişkili Pnömoninin Önlenmesinde Kanıta Dayalı Uygulamalara İlişkin Bilgileri Formu ve Kanıta Dayalı Hemşireliğe Yönelik Tutum Ölçeği kullanılarak toplanmıştır. Veriler analizinde uygun istatistiksel testler kullanılmıştır.
Hemşirelerin ventilatör ilişkili pnömoniyi önlemeye ilişkin bilgi düzeyi puan ortalaması 5,32±2,19, Kanıta Dayalı Hemşireliğe Yönelik Tutum Ölçeği toplam puan ortalaması 62,61±8,41; ölçek alt boyut puan ortalamaları ise sırasıyla inanç ve beklentiler, 29,97±3,66, niyet 15,89±2,89 ve duygular 16,75±3,01 olarak belirlenmiştir. Çalışmada ventilatör ilişkili pnömoniyi önleme bilgi düzeyi ile Kanıta Dayalı Hemşireliğe Yönelik Tutum Ölçeği toplam puanı, inanç ve beklentiler alt boyutu ve uygulama niyeti alt boyutu puanları arasında orta düzey pozitif yönde anlamlı ilişki; duygular alt boyutu ile ise düşük düzey anlamlı ilişki olduğu saptanmıştır.
Araştırmada hemşirelerin ventilatör ilişkili pnömoniyi önlemeye yönelik kanıta dayalı bilgilerinin orta düzey, kanıta dayalı hemşireliğe yönelik tutumlarının ise pozitif yönde olduğu sonucuna varılmıştır. Araştırmada hemşirelerin kanıta dayalı hemşireliğe yönelik tutumları ile ventilatör ilişkili pnömoniyi önlemeye ilişkin bilgi düzeyleri arasında pozitif yönde orta düzey anlamlı bir ilişki olduğu saptanmıştır.
Investigation of the Effect of Organizational Silence on Job Performance in Healthcare Professionals
Authors: Çetinkaya Zehra , Keskin Hülya
Published: December 2024

ABSTRACT
The aim of this study is to investigate the effect of organizational silence on job performance in healthcare professionals. The study was conducted as a cross-sectional descriptive study with 367 healthcare professionals . Data were collected using the "Individual Descriptive Characteristics Form", "Organizational Silence Scale" and "Job Performance Scale". Statistical methods such as Kolmogorov-Smirnov Test, Kruskal-Wallis Test and Mann-Whitney U tests were used to analyze the data. In addition, Spearman's rank correlation coefficient was used to evaluate the relationships and Cronbach's Alpha coefficient was used to determine the reliability of the scales. Regression analysis was used to model the relationships between the scales. Significant relationships were found between the demographic characteristics of the participants and organizational silence and job performance. In correlation analyses, significant positive relationships were observed. It was determined that the silence levels and job performance levels of healthcare professionals were at an average level. The findings obtained from this study show that healthcare professionals generally have a moderate organizational culture. In this context, employees' opinions should be recognized as valuable and employees should be supported and cared for.
Keywords: Job Performance, Sılence, Organizatıonal, Healthcare Worker, Sılence
Yönetici Desteği İle Çalışmaya Tutkunluk Arasındaki İlişkinin Belirlenmesi: Hemşireler Üzerinde Bir Çalışma
Authors: Durmuş Ayhan
Published: December 2024

Amaç: Çalışmanın amacı, hemşirelerin yönetici desteği algıları ile çalışmaya tutkunlukları arasındaki ilişkilerinin belirlenmesidir.
Yöntem: Çalışmanın evrenini Yozgat Bozok Üniversitesi Araştırma ve Uygulama Hastanesinde çalışan hemşireler oluşturmaktadır. Çalışma kapsamında gönüllü olarak katılmayı kabul eden 173 hemşireye ulaşılmıştır. Çalışmada veri toplama aracı olarak üç bölümden oluşan anket formu kullanılmıştır. Anket formunun ilk kısmında sosyo-demografik özellikler, ikinci kısmında yönetici desteği ölçeği ve son kısmında çalışmaya tutkunluk ölçeği yer almaktadır. Verilerin analizinde tanımlayıcı istatistiksel yöntemler, doğrulayıcı faktör analizi, güvenilirlik analizi, ilişki analizi ve regresyon analizi kullanılmıştır.
Bulgular: Yapılan analiz sonucunda yönetici desteği ile çalışmaya tutkunluk ve alt boyutları arasında pozitif yönlü anlamlı ilişkilerin olduğu bulunmuştur. Ayrıca, yönetici desteğinin çalışmaya tutkunluk ve alt boyutları üzerinde anlamlı etkisi olduğu belirlenmiştir.
Sonuç: Bulgularımız, hemşirelik profesyonelleri arasında çalışmaya tutkunluğun geliştirilmesinde yönetici desteğinin öneminin altını çizmektedir. Yönetici desteği ile çalışmaya tutkunluğun çeşitli boyutları arasında gözlemlenen pozitif anlamlı ilişkiler, hemşirelerin işlerine yönelik tutum ve bağlılıklarını şekillendirmede liderliğin oynadığı önemli rolü vurgulamaktadır.
The Effect of Simulation-Assisted Breast Cancer Education on Health Beliefs and Breast Self-Examination Practices in Young Adults
Authors: Saygılı Düzova Ülkü , Şeflek Zühal , Uzun Perihan Nur , Aker Müge , İnan Ayşe Beyza , Eskene Hasan
Published: December 2024

The most frequent cancer in women is breast cancer, which is a major global public health concern. Increasing cancer awareness and routine breast self-examination are important steps for early diagnosis. The aim of this study is to increase knowledge and practice attitudes regarding breast examination through simulation and peer support. The research had a pre-test-post-test design and was conducted with 138 university students. “Personal Information Form” and “Champion Health Belief Model Scale in Breast Cancer Screening” were used as data collection tools. Data were analyzed with SPSS 22.0 Windows package program. Shapiro-Wilk test to determine the normal distribution of variables, "Kruskal Wallis H Test" for differences between three or more groups, "Wilcoxon Sign Test" was used. After the intervention, a significant increase was observed in the sub-dimensions of the health belief model scale, including sensitivity, severity, benefit and health motivation, as well as the perceived benefits of breast self-examination and self-efficacy levels (p
Elit Futbolcularda Fiziksel Hazırlık Sürecinin Kreatin Kinaz Seviyeleri Üzerine Etkisi
Authors: Yıldırım Sibel , Akyüz Ömer , Ceylan Tülay , Ceylan Levent , Akyüz Murat
Published: December 2024

Bu çalışmanın amacı, elit futbolcularda fiziksel hazırlık sürecinin CK seviyeleri üzerindeki etkilerini incelemektir. Bu çalışmada, futbolcu grubunun kısa dönemli takip edilmesiyle elde edilecek bulguların, antrenman programlarının planlanmasında daha geniş bir perspektif sunacağı düşünülmektedir. Araştırmanın evrenini, Türkiye Futbol Federasyonu 2. Liginde bulunan Çorum futbol kulübünde profesyonel futbol oynayan, 18-32 yaş aralığında olan 15 erkek futbolcu oluşturmaktadır. Hazırlık dönem öncesi ve dört haftalık egzersiz programı sonrası katılımcılardan vücut ağırlığı, boy ölçümü ve biyokimyasal verilerden kreatin kinaz alınmıştır. Verilerin analizi SPSS istatistik paket programında p
Smoking Prevention Strategies: Identifying Initiation and Cessation Reasons and Intervention Methods
Authors: Gördük Mehmet Nuri , Saka Günay , Kolsuz Selçuk
Published: December 2024

The aim of this study is to gather specific data concerning smoking, elucidate the reasons behind individuals' initiation and cessation of smoking, explore strategies for preventing smoking initiation, and understand how to provide support for individuals who desire to quit. A cross-sectional study was conducted via face-to-face surveys on 309 individuals selected through systematic sampling among 5880 individuals aged 15 and over registered at a family health center in the Kayapınar district of Diyarbakır province in Türkiye between December 2016 and January 2017. The study found that 30.4% of the participants were current smokers, while 14.6% were quitters. Approximately 92% of the participants supported the law banning tobacco use in enclosed spaces. It was determined that before the age of 18, 78% of individuals tried smoking for the first time, and 47.5% of them started smoking regularly. The most common reasons for starting smoking were cited as peer influence, curiosity, and emulation. 66.3% of the participants indicated their support for a government-imposed complete ban, while 65% of smokers stated that they would quit smoking if such a prohibition were in place. The study identified a high prevalence of smoking in the region, and smoking initiation occurs at young ages. A notable proportion of smoking participants expressed a desire to quit; however, there appears to be a lack of support for those seeking to quit.
Kalp Atış Seslerinin Derin Öğrenme Kullanarak Sınıflandırılması
Authors: Tutar Gökhan , Aydın Serdar
Published: December 2024

Kalp hastalığına bağlı ölüm oranları dünyadaki günlük ölüm oranlarında büyük bir yer edinmektedir. Uzun yıllardır doktorlar kalp hastalıklarının teşhisi için ilk olarak hastanın kalp atış sesini dinlemekte ve bu veriye dayalı olarak hastaya ilk tanıyı koymaya çalışmaktadır.
Kalp sesinden hastalık olup olmadığını anlamak tecrübe gerektirdiği için zor bir iştir. Derin öğrenme ile kalp atış sesinin sınıflandırması da zor bir iştir. Çünkü stetoskop ile alınan seslerde hem akciğer sesi hem de diğer dış ortam sesleri yanlış tanıya neden olabilmektedir.
Bu çalışmada veri kümesi olarak halka açık bir kütüphane olan “Pascal Heart Sound Challenge” kullanılmıştır. Veri kümesinde üç kategori bulunmaktadır. Bunlar; “Normal”, “Murmur” ve “Extra-systole” dur.
Bu çalışmada kalp atışı ses sinyalinin hangi sınıfa ait olduğunu yüksek oranda doğru tahmin etmek amaçlanmaktadır.
NECİB MAHFUZ’UN MİRAMAR ADLI ROMANINDA TOPLUMSAL PROBLEMLER
Authors: Gördebil Mustafa
Published: December 2024

Modern Mısır edebiyatının en önemli yazarları arasında sayılan Necîb Mahfûz, toplumu konu alan birçok roman yazmıştır. Bu romanlardan biri de toplumun farklı kesimlerini temsil eden karakterlerin bir pansiyonda beraber kalırken yaşadığı olayları anlatan Mîrâmâr adlı eseridir. Roman, özellikle toplumsal sorunları yansıtması sebebiyle ilgi çekicidir. Çalışmanın amacı, yazarın romandaki karakterler üzerinden anlattığı toplumsal problemleri tespit etmektir. Buna bağlı olarak çalışmada; eğitimsizlik, toplum baskısı, fakirlik, siyasi çatışmalar ve sosyal dışlanma olmak üzere beş farklı sosyal problem tespit edilmiş, konu ile alakalı araştırmacıların ilgisine sunulmuştur. Çalışmanın sonucunda, Mahfûz'un Mîrâmâr romanında Mısır toplumu üzerindeki çeşitli sosyal ve ekonomik sorunları derinlemesine inceleyerek, bu sorunların bireyler ve toplum üzerindeki yansımalarını etkili bir şekilde betimlediği kanaatine varılmıştır. Ayrıca eserin hem bireysel hem de toplumsal düzeyde yaşanan zorluklara ışık tutarak okuyuculara ve araştırmacılara önemli bir analiz ve değerlendirme zemini sunması da ulaşılan bulgular arasında yer almaktadır.
Motivational Factors for Running an Ultramarathon as a Recreational Activity
Authors: Düz Serkan , Kinaci Ayşe Eda , Özdurak Sıngın Rabia Hürrem , Tozoğlu Burak
Published: December 2024

Although runners mostly start for health benefits and recreational purposes, there is a shift
in the recent years from half-marathon to ultramarathon (UM) running that pushes the
physiological and mental limits of human body. The aim of this study was to investigate the
factors for motivation of recreational runners competing in the 119 km Cappadocia
Ultramarathon Run. Data of 98 endurance runners was collected via The Ultra Marathon
Motivation Scale (UMMS) and analyzed according to the independent variables gender, age,
marital status, education level, weekly training frequency and running distance. Results of
the study showed that the factors that motivate recreational runners, especially those over
the age of 45, more likely to run UM are self-esteem, affiliation, personal goal achievement,
health orientation, life meaning and competition with oneself. Moreover, it has been
understood that the reason that motivates male runners to participate in UM runs more than
female runners is the feeling of competition with other runners, and as the education level
of runners increases, weight concern is the most effective factor in motivating them.
However, it was determined that the runners' marital status, weekly training frequency and
running distance did not have any effect on their motivation to participate in UM runs. It
can be concluded that the motivation of recreational runners to participate in UM runs
differed according to their age, gender and educational status. Since UM running is not
considered a single sporting event and has various forms that vary depending on distance or
time, it is of great importance to examine the motivational factors in several UM events with
different characteristics.
Revolutionizing automotive lightweighting: a comparative analysis of electromagnetic free forming for clamped sheets
Authors: Boutana Ilhem , Mekideche Mohamed Rachid
Published: December 2024

Reducing vehicle mass is a critical strategy for enhancing fuel economy and meeting the growing demand for lightweight materials in the automotive industry. Aluminum alloys have emerged as a promising solution due to their low density, but their limited formability compared to steel poses significant challenges. Electromagnetic Forming (EMF) is a high-speed process capable of significantly improving the formability of aluminum alloy sheets, enabling the production of lightweight structural components for automotive applications. This process operates within microseconds, which provides a unique advantage for rapid and efficient manufacturing. The numerical modeling of EMF plays a pivotal role in understanding the complex physics and deformation behaviors associated with this process. This research investigates the numerical modeling of EMF for various aluminum alloy sheets using a spiral coil. The results provide insights into the distinctive deformation behaviors and performance variations of different alloys under identical process conditions, which offers valuable guidance for material selection and process optimization in automotive applications.
Open Cluster Dynamics under the Influence of Outflow–Ambient Interactions
Authors: Liu Muxin , Wang Lile , Fu Xiaoting , Ho Luis C.
Published: December 2024

Stars with outflows impinging on ambient gas experience accelerations due to the gravitational feedback from the interaction morphology between the outflow and the ambient gas. Such “negative dynamical friction” (NDF), in contrast to the conventional “dynamical friction” (DF), is studied for its impact on the dynamics of open clusters (OCs) immersed in a uniform ambient gas. We modify the N-body integration code REBOUND with both NDF and DF implemented according to the outflow conditions of each star in a consistently constructed OC. The evolution of stars is also involved in determining the gas–star interactions throughout their stellar lives. Compared to DF-only and gas-free models with identical initial conditions, the NDF-affected cluster is puffier and evaporates faster, as indicated by various diagnostics, including lower velocity dispersions and larger half-mass and half-light radii. Neutron stars with fast winds are expelled from the cluster due to their intensive NDF effect, even without the “kicks” by asymmetric supernovae. Exploration of parameter space confirms that the NDF effect is generally enhanced with higher ambient gas densities, in qualitative agreement with the expression of acceleration. Outflow–ambient interactions should be considered for the proper interpretation of the stellar dynamics evolution in clusters.