bluuebunny/crossref_metadata_2025 huggingface dataset:
Nickel-based Single-Molecule Catalysts with Synergistic Geometric Transition and Magnetic Field-assisted Spin Selection Outperforms RuO2 for Oxygen Evolution
Authors: Saini Kavish , N Nair Aruna , Yadav Anju , Garcia Enriquez Lissette , J. Pollock Christopher , D. House Stephen , Yang Shize , Guo Xin , T. Sreenivasan Sreeprasad
Published: July 2023

Overcoming slow kinetics and high overpotential in electrocatalytic oxygen evolution reaction (OER) requires innovative catalysts and approaches that transcend the scaling relationship between binding energies for intermediates and catalyst surfaces. Inorganic complexes provide unique catalyst designs with customizable geometries, which can help enhance their efficiencies. However, they are unstable and susceptible to oxidation under extreme pH conditions. Immobilizing complexes on substrates creates single-molecule catalysts (SMCs) with functional similarities to single-atom catalysts (SACs). Here, an efficient SMC, composed of dichloro(1,3-bis(diphenylphosphino)propane) nickel [NiCl2dppp] anchored to a graphene acid (GA), is presented. This SMC surpasses ruthenium-based OER benchmarks, exhibiting an ultra-low onset and overpotential at 10 mAcm-2 when exposed to a static magnetic field. Comprehensive experimental and theoretical analyses imply that an interfacial charge transfer from the Ni center in NiCl2dppp to GA enhances the OER activity. Spectroscopic investigations reveal an in-situ geometrical transformation of the complex and the formation of a paramagnetic Ni center, which under a magnetic field, enables spin-selective electron transfer, resulting in enhanced OER performance. The results highlight the significance of in-situ geometric transformations in SMCs and underline the potential of an external magnetic field to enhance OER performance at a single-molecule level, pushing the boundaries of volcano limits.
Vibrational circular dichroism spectroscopy with a classical polarizable force field: alanine in the gas and condensed phases
Authors: Bowles Jessica , Jähnigen Sascha , Agostini Federica , Vuilleumier Rodolphe , Zehnacker Anne , Calvo Florent , Clavaguera Carine
Published: July 2023

Polarizable force fields are an essential component for chemically accurate modeling of complex molecular systems with a significant degree of fluxionality, beyond harmonic approximations or perturbative treatments. In this contribution we examine the performance of such an approach for the vibrational spectroscopy of the alanine amino acid, in the gas and condensed phases, from the Fourier transform of appropriate time correlation functions generated along molecular dynamics (MD) trajectories. While the infrared (IR) spectrum only requires the electric dipole moment, the vibrational circular dichroism (VCD) spectrum further requires knowledge of the magnetic dipole moment, for which we provide relevant expressions to be used under polarizable force fields. The AMOEBA force field was used to model alanine in the neutral and zwitterionic isolated forms, solvated by water or nitrogen, and as a crystal. Within this framework, comparison of the electric and magnetic dipole moments to those obtained with nuclear velocity perturbation theory based on density-functional theory for the same MD trajectory are found to agree well with one another. The statistical convergence of both the IR and VCD spectra is examined and found to be more demanding in the latter case.
Synergistic degradation mechanism in single crystal Ni-rich NMC//graphite cells
Authors: Páez Fajardo Galo J. , Fiamegkou Eleni , Gott James , Wang Heng , Temprano Israel , Seymour Ieuan , Menon Ashok , Stephens Ifan E. L. , Ans Muhammad , Dose Wesley , Lee Tien-Lin , Thakur Pardeep K. , De Volder Michaël F. L. , Grey Clare P. , Piper Louis F. J.
Published: July 2023

Oxygen loss at high voltages in Ni-rich NMC//graphite Li-ion batteries promotes degradation but increasing evidence from full cells has shown the depth of discharge choice can further accelerate aging i.e. synergistic degradation. In this letter, we employ cycling protocols of single crystal LiNi0.834Mn0.095Co0.071O2//graphite pouch cells to examine the origin of the synergistic degradation in terms of material degradation mechanisms. In regimes where oxygen loss is not promoted (V < 4.3 V), discharging to a lower cutoff voltage improves capacity retention despite significant graphite expansion occurring. In contrast, when NMC surface oxygen loss is induced (V > 4.3 V), the deeper depths of discharge lead to pronounced faster aging. Using a combination of post-mortem analysis and density functional theory we present a mechanistic description of evolution of the surface densification as a function of voltage and its impact on lithium-ion kinetics to explain the observed cycling results.
Spin-Selective Oxygen Evolution Reaction in Chiral Iron Oxide Nanoparticles: Synergistic Impact of Inherent Magnetic Moment and Chirality
Authors: N Nair Aruna , Fernandez, Sara E , Marcos Mariana , Rascon Romo Daniel , Singamaneni Srinivasa Rao , Villagran Dino , Sreenivasan Sreeprasad
Published: July 2023

Electron spin polarization is identified as a promising avenue for enhancing the oxygen evolution reaction (OER), the bottleneck that limits the energy efficiency of water-splitting. Here, we report that both ferrimagnetic (f-Fe3O4) and superparamagnetic iron oxide (s-Fe3O4) catalysts can exhibit external magnetic field (Hext) induced OER enhancement, and the activity is proportional to their intrinsic magnetic moment. Additionally, chirality induced spin selectivity (CISS) effect was utilized in synergy with Hext to get a maximum enhancement of up to 89% improvement in current density (at 1.8 V vs. RHE) with a low onset potential of 270 mV in s-Fe3O4 catalysts. Spin polarization and the resultant spin selectivity suppresses the production of H2O2 and promote the formation of ground state triplet O2 during OER. Furthermore, the design of chiral s-Fe3O4 with synergistic spin potential effect demonstrates a high spin polarization of ~42%, as measured using conductive Atomic Force Microscopy (c-AFM) measurements.
Solvent Effects on the Rate of Ozonolysis: Development of a Homogeneous Flow Ozonolysis Protocol
Authors: Arriaga Danniel , Kang Seokmin , Thomas Andy
Published: July 2023

Herein we describe the effect of organic solvents on ozone solubility and rate of ozonolysis reactions using rapid injection NMR spectroscopy. The tabulated solubility and kinetic data allowed for the design of a homogeneous ozonolysis flow reactor capable of delivering precise quantities of dissolved ozone to various olefin substrates.
Oxidative Cleavage of Ketoximes to Ketones using Photoexcited Nitroarenes
Authors: Göttemann Lucas , Wiesler Stefan , Sarpong Richmond
Published: July 2023

Methoximes are a versatile directing group for a variety of C–H functionalizations. Despite their importance as a powerful functional handle, their conversion to the parent ketone, which is often desired, usually requires harsh and functional group intolerant reaction conditions that make their application in a late-stage context problematic. Here, we present an alternative set of conditions to achieve mild and functional group tolerant conversion of methoximes to the parent ketones using photoexcited nitroarenes. The utility of this methodology is showcased in its application in the total synthesis of cephanolide D. Furthermore, mechanistic insight into this transformation obtained using isotope labeling studies as well as the analysis of reaction byproducts is provided.
THE HISTORY OF RUSSIAN LANGUAGE TEACHING IN THE CONTEXT OF GLOBALIZATION
Authors: Кортава Т.В.
Published: July 2023

В условиях многонационального государства единое языковое пространство является гарантией национальной безопасности. Государственный язык формирует платформу для взаимообогащения языков и культур народов Российской Федерации. Язык является основой национальных культурно-духовных ценностей. При анализе современного опыта поликультурной школы наряду с развитием других перспективных методических моделей обучения русскому языку как второму родному или неродному необходимо учитывать отечественную педагогическую традицию.

In the context of a multi-ethnic state the single sprachraum is the key factor for national security. The state language forms the platform for the languages and cultures’ enrichment of all the peoples of the Russian Federation. Language is a background of national culture and spirit. The national pedagogical tradition should be taken into account while analyzing the experience of modern multicultural schools and in line with the development of other promising teaching models of the Russian language as a second native language or a non-native one.
“GAME STUDIES”: THE PROBLEM OF STUDYING
Authors: Шибанова Е.В.
Published: July 2023

Статья посвящена освещению специфики восприятия игровой сферы обществом. Автор доказывает, что тенденции игнорирования или негативной оценки уступили место активному изучению. Рассмотрены особенности современного состояния исследований компьютерных игр, их социокультурного потенциала, определены возможности изучения феномена в рамках медиакоммуникаций.

The article is devoted to highlighting the specifics of the perception of the gaming sphere by society. The author proves that the tendencies of ignoring or negative evaluation have given way to active study. The specifics of the current state in the study of computer games, their socio-cultural potential are considered, the possibilities of studying the phenomenon within the framework of media communications are determined.
PENGARUH PERMAINAN HARTA KARUN TERHADAP KEMAMPUAN MENGENAL KONSEP RUANG ANAK USIA 5-6 TAHUN
Authors: Ardini Pupung Puspa , Mastini I Gusti Ayu , Sutisna Icam
Published: July 2023

Tujuan dari penelitian ini adalah untuk menyelidiki bagaimana persepsi anak tentang konsep ruang berubah akibat bermain dengan harta karun. Anak-anak berusia antara 5 dan 6 tahun menjadi subjek penelitian ini di Gorontalo. Pendekatan eksperimen dengan one group pretest-posttest design digunakan untuk mengatasi permasalahan penelitian yang berkaitan dengan konsep ruang. Terdapat pengaruh terhadap kemampuan mengenal konsep ruang, hal ini dapat disimpulkan dari delapan perlakuan bermain harta karun. Hal ini ditunjukkan dengan selisih skor rata-rata keseluruhan sebelum dan sesudah menggunakan permainan harta karun, yaitu masing-masing 14,8 dan 52. Berdasarkan uji t dapat diketahui hasil uji yang signifikan, dengan t hitung = 14,08 dan nilai t tabel pada α = 0,05 atau 2,064. Oleh karena itu, jika t hitung melebihi t tabel, maka Ho ditolak atau H1 diterima, yang menunjukkan bahwa permainan harta karun berdampak pada kemampuan seseorang untuk memahami konsep.
DAMPAK PENURUNAN PENDAPATAN ORANG TUA MAHASISWA TERHADAP PEMBAYARAN UKT PADA MADA PANDEMI COVID – 19
Authors: Ashadi Firman
Published: July 2023

Keluarga memiliki peran penting dalam kehidupan pendidikan anak. Selain sebagai sarana dan fasilitator anak dalam mengembangkan kemampuan dan pengetahuannya, keluarga juga merupakan wadah dimana anak dapat memenuhi kebutuhan terkait pendidikannya, salah satunya yaitu biaya pendidikan. Biaya pendidikan dan keluarga merupakan dua hal yang saling berkaitan, seperti yang kita ketahui pendidikan merupakan inventasi paling berharga dalam hidup. Dengan seseorang berpendidikan maka orang tersebut akan dapat meningkatkan taraf hidupnya. Tentu saja untuk dapat menempuh pendidikan yang tinggi dibutuhkan biaya yang tidak sedikit pula, maka dari itu keluarga, khususnya orang tua memiliki peran penting dalam memenuhi kebutuhan anak selama menempuh pendidikan. Akan tetapi dalam perannya memenuhi kebutuhan pendidikan anak, orang tua juga memiliki banyak tantangan, salah satunya adalah masalah pendatan orang tua yang semakin menurun diakibatkan oleh adanya pandemi Covid – 19 yang mulai menyebar di seluruh dunia pada akhir tahun 2019.
CURRICULUM ORGANIZATION
Authors: Anshori Muhammad Mukhlis , Qodri Arif Mohammad Nuzulul , Chusaini Alfin Muhammad
Published: July 2023

Curriculum organization has an important role in facilitating students to learn subject matter, thereby achieving effective learning objectives. Curriculum organization, i.e. the pattern or form of learning materials compiled and delivered to students which is a very important basis in curriculum development and is closely related to the goals of the educational program to be achieved, because the form of the curriculum also determines the learning materials, their sequence and how to present them to students/learners. This study uses the method of library research (library research) which takes data sources from relevant theories. The data sources in this study are the subject of valid and relevant data using primary data collection techniques with updated and online documentation, as well as supporting or secondary data by seeking the latest sources, whether in the form of books, articles, or websites. The results of this study are a discussion of the concept of curriculum organization, principles of curriculum organization, vertical curriculum organization, and horizontal curriculum organization.
Pengaruh Kemampuan Berpikir Kritis & Literasi Digital terhadap Wawasan Kebangsaan
Authors: Mukhzamilah . , Haryudo Subuh Isnur , Bashri Ahmad , Shodiq Syamsul
Published: July 2023

This study aims to determine the influence of critical thinking skills and digital literacy on national insight. The method used in this study is a quantitative method by testing validity and reliability. The data collection method in this study used the questionnaire distribution method to village youth in Mojokerto. The result of this study is the relationship between critical thinking and national insight in mojokerto village youth showed the original path or sample value of 0.594 and showed a positive relationship, the t-count value of 4.773 is higher than the P value of 1.96 and lower than the Sig value.  0.004, which is less than 0.05, indicates that critical thinking has a positive value and a significant effect on the national insight of rural youth. Meanwhile, the relationship between digital literacy and national insight shows a path value (original sample) of 0.208, reflecting a positive relationship, with a t-count value of 4.773 higher than t-table 1.96 and lower than the Sig. value of 0.00 which is less than 0. 05, showing a positive and statistically significant relationship between digital literacy and national insights among young people.

Keywords: Critical Thinking, Digital Literacy, National Insights.
MISCONCEPTION DIAGNOSTIC IN QUANTUM NUMBER MATERIALS AND ELECTRON CONFIGURATION
Authors: Prayitno Mohammad Agus , Nugroho Deni Ebit
Published: July 2023

The purpose of this research is to design a four-tier diagnostic test instrument on electron configurations and quantum numbers that can be used to analyze misconceptions. The four-level diagnostic test instrument is an assessment instrument that functions to assess students' conceptual comprehension  in understanding a subject matter. The four tier test has four levels, namely knowledge questions, confidence questions in completing questions, reasons for answering questions, and confidence in giving reasons. This study uses a descriptive qualitative method with the stages of analyzing the problem, collecting data, product design, validating the design, and conducting instrument trials. The results showed that the designed diagnostic instruments were feasible and reliable. Instrument test results indicate that indicator a) determines the magnitude of the four quantum numbers (n,ℓ,mℓ, ms) in an orbital; b) identify the characteristics and functions of the azimuth quantum number (ℓ); c) determine the spin magnetic quantum number (ms) of the electron in the orbital; and d) determine the spin magnetic quantum number (ms) of a single electron in an orbital, which is the most misunderstood.
Reeducation of specific speech articulation disorders caused by orofacial muscle imbalance with the help of myofunctional speech therapy
Authors: BUZZO Lăcrămioara
Published: July 2023

Phonetic disorders are errors of articulation and resonance of phonemes, which, in the presence or absence of organic changes in the phonoarticulatory organs, persist beyond the acquisition of perceptual and articulatory skills. For the correct production of each vowel/consonant, the structures of the articulatory apparatus come into contact in a variable way, following finely coordinated movements, and adopt a certain position to allow the correct emission of the sound. Orofacial muscle imbalances and disorders are disorders of the muscles and functions of the face and mouth. These can directly and/or indirectly affect breastfeeding, growth and development of the facial skeleton, mastication, swallowing, resting position of the tongue, speech- phonemic articulation, occlusion, temporomandibular joint (TMJ) movements, oral hygiene, stability of orthodontic treatment, facial aesthetics and others. The correct swallowing mechanism depends on the correct relationship between the muscles of the face, mouth and pharyngo-laryngeal region, but also on a balance of the entire body system. Another important element that must be taken into account, in particular, is the resting position of the tongue. Dysfunctional swallowing - refers to a condition in which there is an alteration of the mouth-lingual movements in the act of swallowing. Balancing the oro-facial musculature through education - re-education of deviant swallowing, breathing and mastication difficulties, phonatory verbal articulation alterations, malocclusion and painful symptoms of the temporomandibular joint, in different age groups is done through TMF (Myofunctional Therapy). Myofunctional therapy can lead to stable correction of swallowing abnormalities, with positive effects for correcting speech articulation disorders.
LIFE DEDICATED TO THE OCEAN: IN MEMORY OF PROFESSOR V. G. KORT (1913–1994) – OUTSTANDING RUSSIAN SCIENTIST-OCEANOLOGIST
Authors: Morozov E. G. , Byshev V. I.
Published: July 2023

June 6, 2023 marks the 110th anniversary of the birth of V. G. Kort, an outstanding oceanologist, director of the Institute of Oceanology of the USSR Academy of Sciences (1953–1965), Doctor of Geographical Sciences, Corresponding Member of the USSR Academy of Sciences, Honored Scientist RSFSR, twice laureate of the State Prizes of the USSR (as part of groups of authors): for studies of the western boundary currents in the Atlantic (1971) and as an editor-in-chief for the ten-volume monograph “Pacific Ocean” (1977) – a fundamental work summing up knowledge about the nature and resources of the greatest ocean planets.
Law as a Social Fact: the Role of Emile Durkheim's Theoretical Insights in the Emergence of the Sociology of Law
Authors: Krouglov Alexander
Published: July 2023

This article explores the role of Emile Durkheim's theoretical views on law in the aspect of the subsequent formation of the problem field of sociology of law. The author analyzes Durkheim's key concepts, such as social fact, sui generis, social integration and many others.
Functional relationships of legal ideology and the subjects of the law enforcement mechanism
Authors: Shlegel' Polina
Published: July 2023

The article discusses the functional relationship of legal ideology with the subjects of law enforcement, namely, the essential and natural functions of legal ideology in relation to the state apparatus, civil society, and at the individual level - the individual, as subjects of the law enforcement mechanism. The main essential functions of legal ideology are also singled out directly in relation to the subjects of the law enforcement mechanism, as a segment of the mechanism under consideration united by one goal. Also, special attention is paid to dysfunctions of legal ideology in the of law enforcement mechanism, resulting from the contradiction between essential and natural functions. The author comes to the conclusion that the main essential functions of legal ideology in relation to the subjects of law enforcement are the function of ensuring legal policy, the function of forming sense of justice, as well as the function of ensuring the unity of legal practice.
CHARACTERISTIC FEATURES OF THE SIMULACRUM IN LAW
Authors: Kemenyash Yuliya
Published: July 2023

This article focuses on what in law should be taken for simulacra, what characteristic features simulacra in law have. In addition, the author analyzes the relationship between the characteristics of simulacra in law and transformations in society. The article emphasizes the importance of understanding these features of simulacra for the effective functioning of the legal system, as well as the need for flexibility and adaptability of law in response to the challenges and needs of modern society.
GOVERNANCE AND SANDBOX: BUILDING SELF-REGULATION MODELS FOR NANOTECHNOLOGIES
Authors: Engelmann Wilson
Published: July 2023

The 21st century is marked by the emergence of a new Industrial Revolution, the fourth, which is characterized by speed, systemic impact, in addition to breadth and depth. Nanotechnologies are born from the human possibilities of accessing the so-called nano scale: the scale that is equivalent to a billionth of a meter. When it comes to nanotechnologies and products generated from this scale, there is something new in research and production, which can generate effects that are still little known by human beings, especially through the interfaces with the human body and the environment. There is an openness to formulating regulatory environments, structured from a varied set of principles and designing agile, flexible and adequate “regulated self-regulation” models. The choice of the structuring principles of these directives must take into account the guidelines of ethics and be enriched with dimensions coming from the environment where these scientific-technological innovations. The governance of the various stakeholders in nanoscale regulation and the combination of principles, to be tested in Regulatory Sandbox, as real laboratories for improvements in normative models that are structured from principles sought in national and international organizations.
ENVIRONMENTALLY RESPONSIBLE MINING: BENEFITS AND LIMITATIONS OF COMPLIANCE
Authors: de Castro e Souza Nathalia
Published: July 2023

This essay seeks to answer the following question: is Environmental Corporate Compliance an effective tool, in the Brazilian mining industry, for the prevention of environmental damages? After the recent disasters in Mariana and Brumadinho, the evident need is to find preventive and sustainable methods that can ensure efficient compliance. Environmental Compliance is an international trend, being required and preferred by the financial institutions and stakeholders and aligning with the new needs of the mining sector, which strives for high profits and improving its reputation, previously affected by the negative impacts on the environment. Using the hypothetical-deductive method, this paper aims to confirm the initial hypothesis—which is that companies benefit from environmental corporate compliance.
El arte como actividad práxica en el pensamiento de Severo Iglesias
Authors: Bazaldúa Rodríguez Emilio
Published: July 2023

El arte, como actividad necesariamente humana, afirma Iglesias, puede configurar el mundo que el ser humano habita y construye. Por ello, es importante explorar sus elementos e importancia que esta disciplina tiene para la sociedad desde una perspectiva filosófica. El presente artículo pretende encontrar las características que el arte contiene en su generalidad desde el punto de vista filosófico de Iglesias. También intenta continuar la línea de pensamiento que el defensor de la praxis dejó sobre el estado del arte, su dirección y finalidad. Varios autores serán referenciados, quienes, pese a que no argumentan completamente lo mismo, sí puede encontrarse en ellos similitudes con el pensamiento de Iglesias, quien buscó que el arte recobrará su condición constitutiva y su fundamento social.
Herencia y legado de Severo Iglesias
Authors: Ortiz Esquivel Joaquín
Published: July 2023

En este artículo se honra la memoria, el pensamiento y la obra del filósofo Severo Iglesias, fallecido recientemente en 2021. Se reflexiona sobre el legado y la herencia que ha dejado Severo Iglesias a través de su obra. Se plantean las múltiples dimensiones en que este filósofo ha plasmado su pensar: la obra filosófica; el método de la dialéctica triádica, que es el entrelazamiento de lo objetivo, lo subjetivo y la praxis; la reflexión sobre la sociedad y la historia; el devenir histórico de la nación mexicana; la cuestión educativa; y la propuesta del proyecto político del Socialismo Nuevo y el México Nuevo. Esta rica herencia es en particular un legado para los trabajadores, en quienes Severo Iglesias siempre confió como agentes de la transformación social y política de México y el mundo.
La razón ficticia en la era digital: una mirada crítica
Authors: Medellín Barquín Tirso
Published: July 2023

El presente artículo recupera las teorías de la razón ficticia y de la dialéctica triádica de Severo Iglesias para analizar fenómenos de la era digital. Inicia con una exposición sobre el concepto de la razón ficticia. Posteriormente, se explican aspectos relacionados con él, como los de la fantasía, lo imaginario, la idealización y el fetiche. En seguida se analiza la relación dialéctica entre sujeto, objeto y praxis en el mundo ficticio, en tanto mundo en el que domina el como si… Estos aspectos de la teoría son empleado para analizar y reflexionar sobre fenómenos de la era digital: el concepto de “nativos digitales” como manifestación de la razón ficticia; la afición por los videojuegos; las redes sociales; la pornografía. Sobre ello se hace un planteamiento crítico en tanto formas contemporáneas de alienación.
UNDERAGE CITIZENS MONITORING APPLICATIONS - A REVIEW OF THE STATE OF THE ART AND GUIDELINES FOR FUTURE IMPLEMENTATIONS
Authors: Chappara Miguel , Ribeiro Fernando , Metrôlho José
Published: July 2023

Children's safety is a constant concern, both for parents and the institutions in which they are entrusted with care. There are several dangers and situations that can jeopardize children's safety. It is, therefore, important to have constant monitoring and preventive monitoring. This need, together with the technological means available nowadays, opens the way to the development of applications that allow better safety and monitoring of children's daily activities. The aim is to keep parents informed about where their children are and if there is anything they should be worried about. In this context, an analysis of the state of the art was carried out to identify the functionalities currently available to users of applications with this purpose. Through this analysis, essential functionalities were identified, such as real-time location on the map, location history, marking of safe areas and sending alerts. On the other hand, technological advances in various areas mean that there is room and opportunity to add value to what already exists and to contribute to answering existing problems. Therefore, in this article, besides the state of the art previously mentioned, it is also presented implementation lines for new mobile applications that may be developed in the future. The contributions of this article are, on the one hand to present what currently exists in terms of mobile applications to support the monitoring of children and on the other to propose lines of new features that current technology can provide in new applications.
Polylactic Acide-Activated Coal Electrospun Mat Production and Characterization
Authors: DOĞANCI Erdinç , DANDAN DOĞANCI Merve , SAKARYA BULUŞ Gülseren , BULUŞ Erdi
Published: July 2023

Polylactic acid (PLA) is used as a potential polymer for consumer products and biomedical applications. With the increasing environmental and sustainability concerns associated with traditional petrochemical-based polymers, PLA applications continue to increase every day. Activated carbon (A.C.) is a substance obtained by carbonization of softwood parts such as linden and willow and is used as an antidote in industrial applications because it absorbs the toxin and prevents the absorption of toxins from the small intestine into the blood. It is a toxin absorber due to its adhesion to surfaces. A.C. the biggest problem with the fact that over time, the gaseous pollutants A.C. is a gradual filling of adsorption surfaces. In this study, PLA nanofibers reinforced with biyokompozit elektrospinning technique has been secured for the production and structural (FTIR, Fourier-Transform İnfrared Spectroscopy), morphological (FEGSEM, Field Emission Gun Scanning Electron Microscope), mechanical (Tensile Test) and biological (Cell Culture) by providing a characterization of the material properties were determined. With the obtained biocomposites, it will be able to be the ideal filtration material with a longer life and a large surface area that can be used in health sector applications.
Kultur Belajar Sistem Kredit Semester di SMA: Perlukah dalam Implementasi Kurikulum Merdeka?
Authors: Nisa Ma'rifatun , Pramono Didi
Published: July 2023

Sekolah merupakan satuan pendidikan sebagai wadah tempat tumbuh dan berkembang individu menjadi cerdas dan berkarakter. Adanya perbedaan kemampuan kecepatan belajar dan tingkat kecerdasan peserta didik diakomodasi melalui implementasi Sistem Kredit Semester (SKS) dengan masa studi dua tahun ini sebagai layanan untuk memfasilitasi peserta didik yang memiliki tingkat kecerdasan di atas rata-rata. Tujuan penelitian ini untuk mengulas mengenai kultur belajar kelas SKS dua tahun serta manfaat dan relevansi SKS dengan pembelajaran berdiferensiasi pada Kurikulum Merdeka. Metode penelitian menggunakan pendekatan kualitatif deskriptif dengan sumber penelitian data primer dan data sekunder. Subjek penelitian ini merupakan wakil kepala SMA Negeri 1 Semarang bidang kurikulum, guru, dan peserta didik. Teknik pengumpulan data melalui observasi, wawancara, Focus Group Discussion (FGD) dan studi dokumentasi. Hasil penelitian menunjukkan bahwa implementasi SKS masa studi dua tahun di SMA Negeri 1 Semarang sudah tepat sebagai layanan untuk memfasilitasi kultur belajar yang cepat bagi peserta didik karena terdapat faktor pendukung yaitu ketersediaan sarana dan prasarana, sumber daya guru dan peserta didik, namun terdapat beberapa faktor penghambat mengenai administrasi, waktu dan kesiapan mental. SKS memberikan manfaat positif dan layak dilanjutkan di Kurikulum Merdeka pada tingkat sekolah menengah atas.
Perbedaan Metode Brainstorming dan Metode Learning Start with A Question Terhadap Kemampuan Pemecahan Masalah Pada Mata Pelajaran IPS Siswa Kelas VII SMP Negeri 1 Boyolangu
Authors: Saputra Aldi Briyan , Rindrayani Sulastri Rini
Published: July 2023

Permasalahan dalam penelitian ini yakni proses pembelajaran yang terlaksana pada SMP Negeri 1 Boyolangu masih terkategori belum efisien sehingga mengakibatkan kemampuan pemecahan masalah peserta didik masih rendah. Penelitian ini bertujuan untuk menguji apakah terdapat perbedaan yang signifikan antara kemampuan pemecahan masalah siswa yang diajarkan dengan Metode Pembelajaran Brainstorming dan metode pembelajaran Learning Start with A Question pada pelajaran IPS di kelas VII SMP Negeri 1 Boyolangu. Penelitian yang digunakan adalah penelitian eksperimen dengan jenis komparatif (perbandingan) dengan menggunakan desain penelitian Posttest Only Control Design. Populasi dalam penelitian ini yaitu siswa kelas VII SMP Negeri 1 Boyolangu tahun ajaran 2022/2023. Sementara Sampel yang digunakan peneliti adalah kelas VII-D dan VII-E dengan jumlah sampel keseluruhan adalah 72 orang siswa. Teknik analisis data pada penelitian ini dengan menggunakan uji Independent Samples T-Test untuk mengukur dan mengetahui perbedaan kemampuan pemecahan masalah siswa pada kelompok eksperimen setelah mendapatkan perlakuan. penghitungan tersebut diolah dengan menggunakan program SPSS versi 21.  Berdasarkan hasil uji Independent Samples T-Test diperoleh hasil bahwa t hitung 4.104 > t Tabel 1.668 dengan nilai signifikan (sig.) adalah 0,000 < 0,05 Ho ditolak dan Ha diterima, Hasil penelitian ini dapat disimpulkan bahwa terdapat perbedaan yang signifikan antara penerapan metode Brainstorming dan metode Learning Start with A Question pada siswa kelas VII SMP Negeri 1 Boyolangu. Dengan demikian, dapat disimpulkan bahwa metode pembelajaran Brainstorming lebih efektif daripada metode pembelajaran Learning Start with A Question dalam meningkatkan kemampuan pemecahan masalah siswa.
Hantavirose na faixa de fronteira brasileira: perfil clínico-epidemiológico de casos confirmados no Brasil. 2007 a 2017
Authors: Silva Neuder Wesley França da
Published: July 2023

A hantavirose é uma doença viral, cujo principal reservatório são espécies de roedores silvestres, que variam de região para região. O presente estudo objetiva-se, identificar e analisar o perfil clínico-epidemiológico dos casos confirmados de hantavirose na faixa de fronteira brasileira.
Unidade de Saúde da Família Floresta
Authors: Jaty Líbia Daniele Oliveira , Gomes Ane Karoline da Rocha , Santos Dilcilane de Jesus dos , Santos Geísa Cordeiro dos , Santos Matheus Felipe Oliveira dos , Rego Raissa Vasconcelos , Reis Elaine Cristiny Evangelista dos
Published: July 2023

Trata-se de um material elaborado por Bacharéis em Saúde, discentes do curso de graduação em Saúde Coletiva da Universidade Federal do Oeste do Pará (UFOPA) do Instituto de Saúde Coletiva (ISCO).
Contém informações coletadas dentro da Unidade de Saúde da Família do bairro da Floresta em Santarém – Pará - Brasil, serviço localizado na área urbana de uma cidade na Amazônia brasileira.
O material foi construído com a colaboração da equipe multiprofissional do serviço, com o objetivo de reunir informações por faixa etária quanto aos serviços ofertados, para que a ida do usuário até a unidade seja otimizada e facilitada.
“A QUEDA DO IMPÉRIO ROMANO: CAUSAS E CONSEQUÊNCIAS”.
Authors: Machado Carlos Roberto
Published: July 2023

Este artigo apresenta um estudo sobre a queda do império romano: causas e consequências, enfatizamos aqui a importância do entendimento desses acontecimentos, para que fique evidenciado como foram delimitados os caminhos para se chegar a um entendimento e sua explicação histórica contextualizada e evidenciada pelos fatos, dando continuidade a outras pesquisas e compreensão desse processo importante na história. Será retratado em quatros momentos: a Introdução, as características do império romano do ocidente, as características do Império Romano do Oriente (ou Império Bizantino): Quais os acontecimentos principais causaram a queda do Império Romano, Consequências da queda do Império Romano, considerações finais. Realizou-se uma análise, de textos apresentados dentro da temática. Optou-se por analisar os artigos de modo a descrever, interpretar, e compreender o objeto de estudo, na tentativa de captar termos de expressão dos significados contidos nos textos, revelando a sua importância. A elaboração do artigo é baseada na análise de conteúdo e observação bibliográfica. Observaram-se questões como: Império, romano, queda, consequências, declínio etc.
Assessment of practice of handwashing as Covid-19 preventive measure among medical students of Abia State University Teaching Hospital, (ABSUTH) Aba, Abia State, Nigeria
Authors: Prince Ezenwa Ndubueze Onyemachi  , Igwe Franklin Emenike  , Ibe U Ibe  , Adaeze Glory Ogbonna  , Nnenna Kalu Achi  , Iganiru Chukwuebuka Okoli  , Christopher Elekwachi
Published: July 2023

Background: Coronavirus disease (Covid-19) is a communicable disease which is causing morbidity and mortality globally. Hand washing, wearing of a facemask and social distancing are preventive measures that have been options available in our country, Nigeria. The practice of hand washing includes cleansing of hands by rubbing both hands together using and alcohol-based hand sanitizer or washing both hands with soap and water to prevent microbial growth. Objective: This study aimed at assessing the practice of hand washing as a covid-19 preventive measure amongst medical students of ABSUTH, Aba. Method: This was a descriptive cross-sectional study carried out among medical students in ABSUTH, Aba, Abia State, A self-administered semi-structured questionnaire was adopted and used to obtain information from the 430 students. Numerical variables were summarized using mean and standard deviation, categorical variables were summarized using frequency and proportions. Association was tested at p-value of 0.05%. Result: There was a non-response rate of 50 (13.8%) as 380 students participated. Mean age of the participants was 24 ± 5.94. Two hundred and eighty-one (73.9%) constituted the majority and was found among the 21 – 25 age range. Female was in majority as 230 (60.5%) of them participated. The level of practice of handwashing was 195 (51.3%). Majority of the students scored above 52% in all the different aspects of handwashing practices and there was statistically significant association between all the hand washing practices and medical students’ participation at a p-value of 0.05%. Conclusion: Medical students showed a good level of practice towards infection and control measures. Social media was major source of information. Some misconceptions were noted regarding minimum duration of handwashing with soap and water and level of practices.
Partial Rotator Cuff Tear outcome between prolotherapy with physical rehabilitation compared to physical rehabilitation only: A Meta-analysis approach
Authors: Savitri Galuh Ayu Ratna , Huwae Thomas Erwin Christian Junus
Published: July 2023

Partial Tear Rotator Cuff Tendinopathy (PTRCT) impacts 15% to 50% of the population and increases in prevalence with individuals' age. Several first-line management strategies for treating rotator cuff disease, such as physical rehabilitation and/or injection, have been reported. However, optimum management is debatable. This study aims to explore the outcome management combination of prolotherapy and physical rehabilitation with physical rehabilitation only for PTRCT. Randomized Control Trial (RCT) studies From PubMed, Cochrane Library, ScienceDirect, ProQuest, And Google Scholar were included. Two independent reviewers evaluated the quality of RCTs using the Cochrane Risk of Bias Tool. The primary result was pain reduction, with functional improvement as a secondary outcome. Meta-analysis was performed using Review Manager 5.4 software. Our meta-analysis included 5 RCT studies involving 263 patients. Standardized mean difference (SMD) was collected from all of the studies. In this study, pain reduction was significantly decreased in the prolotherapy group compared with physical rehabilitation only during 12 weeks follow-up (-0.97 (95% -1.63 to -0.31) with p: 0.0004) and obtained I2 57 % that, representing moderate heterogeneity. In contrast, Functional improvement did not significantly reduce (-1.04 (95% -5.45 to 3.317) with p: 0.64. In conclusion, Prolotherapy with physical rehabilitation can reduce pain in long-term (12 weeks) patients with PTRCT compared to physical rehabilitation only but give no significant effect in improving functional outcomes.
Relationship of genetic factors to the degree of Acne vulgaris as one of the predisposing factors in student Faculty of Medicine University of Muhammadiyah Malang
Authors: Pravitasari Dwi Nurwulan , Wulandari Ratna , Nurianiwati Sri Adila , Aldi Kurniawan M Yuliansyah , Devi Raihan Fatihka
Published: July 2023

Acne vulgaris is a skin disease, a chronic inflammation that affects the poly sebaceous glands, especially on the face and neck. One of the endogenous causes that influence the occurrence of acne vulgaris is a genetic and hormonal predisposition. Family history of acne is one of the risk factors in family genetics associated with the onset of the disease, the difficulty of therapy, and the risk for relapse. This research aimed to explain the relationship between genetic factors to the degree of acne vulgaris as one of the predisposing factors. This research was observational analytic, using purposive sampling as the sampling method and collecting data using a cross-sectional questionnaire. Statistical analysis between variables shows that age was not related (p = 0,790), while gender was not related (p = 0,066), the father's genetic history was related (p = 0,001), and mother's genetic history was not related (p = 0,390). In conclusion, among the factors that were analyzed, the father's genetic history was the only one which has a relationship in aggravating the degree of acne vulgaris.
Ocular manifestations in COVID-19 Patients at Dr. Wahidin Sudiro Husodo General Hospital Mojokerto during January – June 2021
Authors: Dhany Rini Kusumawar , Azzahra Gusti Ratu
Published: July 2023

Coronavirus Disease (COVID-19) is a respiratory infection caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). SARS-CoV-2 can be found in ocular organs through direct inoculation, migration via the nasolacrimal duct, or hematogenous. This study aims to determine the clinical manifestations of eye disease in COVID-19 patients at Dr. Wahidin Sudiro Husodo Mojokerto General Hospital from January-June 2021. A cross-sectional retrospective observational study by collecting secondary data on patient medical records. The research sample was all outpatients and inpatients with a positive PCR test for COVID-19 who were consulted by an ophthalmologist at Dr. Wahidin Sudiro Husodo General Hospital Mojokerto in January-June 2021. A total of 861 cases of patients with positive PCR tests for COVID-19, a total of 67 patients were consulted to eye specialists with a median age of 42.6 years. Among 67 patients, 59 (88%) showed symptoms of conjunctival injection, 8 patients (12%) ciliary infusion with 7 patients diagnosed with keratitis, and 1 patient with ulcer redness. In conclusion, the main eye manifestation most commonly found in COVID-19 patients is conjunctivitis which is characterized by conjunctival hyperemia.
PROGRAM PENDAMPINGAN SISWA MENGHADAPI UJIAN KOMPETENSI KEAHLIAN REKAYASA PERANGKAT LUNAK DI SEKOLAH MENENGAH KEJURUAN TARUNA BAHARI KABUPATEN GORONTALO UTARA
Authors: Tupamahu Frangky , Musa Saifiul Bahri , Suleman Salman
Published: July 2023

Ujian kompetensi siswa menengah kejuruan merupakan salah satu bentuk evaluasi yang dilakukan pada siswa SMK di Indonesia. Ujian Kompetensi bertujuan untuk menilai kemampuan siswa dalam menguasai kompetensi yang telah diajarkan selama di sekolah, serta untuk menentukan apakah siswa tersebut telah memenuhi standar kompetensi yang ditetapkan oleh pemerintah. Melalui Ujian kompetensi siswa menengah kejuruan, siswa diharapkan dapat menguasai kompetensi yang terkait dengan bidang kejuruan yang mereka pelajari. Demi mewujudkan harapan sebagaimana telah disepakati bersama antara pihak Sekolah dan tim dosen, maka solusi yang dilakukan adalah dengan melakukan pendampingan kepada siswa-siswi kelas XII Jurusan Rekayasa Perangkat Lunak oleh tim dosen Program Studi Teknik Informatika Politeknik Gorontalo agar secara mental lebih mantap dalam menghadapi ujian kompetensi keahlian sehingga dalam menyelesaikan dengan baik setiap soal yang dikerjakan dalam teori dan juga soal praktikum dengan batas waktu yang telah di tentukan. SMK Taruna bahari Kabupaten Gorontalo di Jurusan Rekayasa Perangkat Lunak terhadap siswa-siswi kelas XII melalui program pendampingan berjalan dengan baik. Ini didukung dengan hasil yang diperoleh selama 2 (dua) hari pelaksanaan adanya hasil capaian siswa-siswi sebagai peserta kegiatan mampu secara teoritis dan penyelesaian tugas sesuai dengan harapan sehingga di peroleh capain dari hasil evaluasi secara teori memperoleh nilai rata-rata 82 poin dan status capaian tugas praktik adalah kompeten.
PENGELOLAAN BUDIDAYA MENTIMUN (Cucumis sativus L.) DI BALAI PENELITIAN TANAMAN SAYURAN LEMBANG, BANDUNG
Authors: Agustine Leony
Published: July 2023

Tanaman mentimun  merupakan salah  satu  jenis  sayuran  yang  memiliki  banyak  manfaat, sehingga  permintaan  terhadap  komoditi  ini sangat  besar. Penelitian ini bertujuan untuk memahami, mempelajari, dan mengenali permasalahan yang dijumpai di lapang serta cara mengatasi permasalahan yang berkaitan mengenai budidaya tanaman Mentimun (Cucumis sativus L.) varietas Litsa Hijau. Penelitian dilakukan di kebun Balai Penelitian Tanaman Sayuran (Balitsa), Lembang, Bandung pada bulan Juni sampai Agustus. Penelitian ini menggunakan metode studi kasus (case study) dimana data yang digunakan dalam penelitian ini adalah data primer dan data sekunder. Teknik pengumpulan data dilakukan melalui pengamatan langsung (observasi), wawancara (interview) dan Focus Group Discussion (FGD). Hasil penelitian meliputi kegiatan budidaya mentimun (Cucumis sativus L.) varietas litsa hijau yang terdiri dari pengolahan lahan, pembenihan, pembibitan, penanaman, pemeliharaan (penyulaman, penyiangan, penyiraman, pemasangan ajir dan pengikatan batang tanaman selanjutnya dilakukan pemupukan susulan, pengendalian hama dan penyakit), panen dan pasca panen (sortasi, pembersihan, penyimpanan, pengemasan, pengangkutan, pemasaran) dan analisis usaha tani. Permasalahan yang dijumpai pada kebun budidaya mentimun (Cucumis sativus L.) varietas litsa hijau yaitu banyaknya serangan hama Bemisia tabaci.
APLIKASI MONITORING DAN EVALUASI KEGIATAN PKK DI KELURAHAN BOTU BERBASIS WEBSITE
Authors: Ahmad Gladis Pramadani , Mamase Saprina , Tupamahu Frangky
Published: July 2023

Pemberdayaan dan kesejahteraan keluarga (PKK) merupakan Gerakan yang bertujuan memberdayakan keluarga untuk meningkatkan kesejahteraan masyarakat. Kelompok PKK sering melakukan kegiatan. Seperti pada kelompok PKK kelurahan botu, kelompok PKK ini berdiri dari 4 bidang kelompok kerja (POKJA), dimana setiap POKJA memiliki beberapa program kerja yang akan menjadi rencana/target kegiatan yang dilakukan. Setiap bidang POKJA dipimpin oleh seorang koordinator. Setiap koordinator bersama tim POKJA akan membuat rencana kegiatan beserta usulan anggaran selanjutnya tim POKJA mencatat kegiatan apa saja yang telah dilaksanakan beserta penggunaan anggaranya pada permasalahan kegiatan dan realisasi anggaran. Setiap tim POKJA akan membuat laporan dan akan disampaikan ke ketua PKK selain itu ketua PKK bertujuan mengontrol kegiatan-kegiatan yang direncanakan oleh para POKJA dan menyeleksi pelaksanaan kegiatan tersebut, proses pencatatan rencana dan realisasi kegiatan/anggaran dapat lebih diefektifkan lagi pelaksanaanya melalui suatu aplikasi Monitonitoring dan evaluasi kegiatan PKK di kelurahan botu berbasis website. Dari hasil yang didapat aplikasi menunjukan grafik presentasi realisasi anggaran yang telah digunakan agar kegiatan PKK tersebut terevaluasi.