bluuebunny/crossref_metadata_2025_split huggingface dataset:
Bijak Dan Cerdas Bersosial Media Di Era Keterbukaan Informasi Di Desa Simanindo Kecamatan Simanindo Kabupaten Samosir
Authors: Sartana  , Maranata Pasaribu  , Sariadin Siallagan  , Fauzi Haris Simbolon  , Jaidup Banjarnahor  
Published: August 2024

Era keterbukaan informasi, tingkat kebutuhan masyarakat akan informasi semakin tinggi dan mendesak. Hal ini memicu masyarakat untuk menuntut hak mereka khususnya hak dalam kemudahan dan kenyamanan mendapatkan informasi. Kebutuhan masyarakat akan informasi merupakan hak pokok bagi setiap orang dalam rangka mengembangkan kualitas pribadinya maupun dalam rangka menjalani kehidupan sosialnya. Media sosial/ social media atau yang dikenal juga dengan jejaring sosial merupakan bagian dari media modern yang pembuatan dan pengembangannya mengikuti perkembangan teknologi yang interaktif. Jelas kiranya bahwa muatan interaktif dalam media modern ini sangatlah tinggi, sehingga memungkinkan banyak penyalahgunaan dalam penyampaian informasi dan pesan yang mengakibatkan terjadinya miss informasi dikalangan sesame pengguna media sosial bahkan menimbulkan pemahaman yang sesat (hoax) dan ujaran kebencian (hate speech). Untuk itu dibutuhkan kebijakan dan kecerdasan dalam menggunakan media sosial agar informasi yang dikirim maupun yang diterima merupakan informasi yang bermutu dan tidak menyesatkan. Dengan dilakukannya sosialisasi dan penyuluhan bijak dan cerdas ber media sosial dikalangan masyarakat diharapkan dapat membantu masyarakat (khususnya di Desa Simanindo, kecamatan Simanindo, Kabupaten Samosir) dalam menggunakan media sosial yang baik, sehat dan bermutu.
Convergence theorems of implicit type iterations in geodesic spaces with negative curvature
Authors: Kimura Yasunori , Sasaki Kazuya , Torii Kakeru 
Published: August 2024

In this article, we prove convergence theorems of the implicit iterative methods in the sense of Browder type and Xu-Ori type with (-1)-convex combination in CAT(-1) spaces.
For more information see https://ejde.math.txstate.edu/conf-proc/27/k1/abstr.html
Kecerdasan Anak Penghafal Al-Qur’an Dalam Mata Pelajaran Pendidikan Agama Islam di SMP Enterpreneur Ar-Ridwan Binangun Wonosobo
Authors: Fahmi Nuriyah Tami  , Mukromin Mukromin  , Faisal Kamal  
Published: August 2024

This thesis aims to: 1) determine the concept of intelligence in children who memorize the Al-Qur'an and Islamic religious education subjects at Ar-Ridwan Binangun Binangun Wonosobo Entrepreneur Middle School; 2) to determine the intelligence of children who memorize the Al-Qur'an and Islamic religious education subjects at Entrepreneur Ar-Ridwan Binangun Wonosobo Middle School. This thesis uses a research approach using qualitative field research, qualitative field research itself is research that has characteristics, which basically state the actual situation or as it is without changing it into symbols or numbers. The results of the research show that: 1) the intelligence of children who memorize the Koran and those who do not memorize it is different; 2) the inhibiting factors in the intelligence of children memorizing the Koran in Islamic Religious Education subjects have not yet been resolved and the supporting factors that make it easier for children to memorize also require different handling; 3) students' responses in dealing with their respective intelligence problems are by synergizing with teaching staff to become a unified whole in the learning process.
Espacios y Ambientes Creativos y su Impacto Positivo en el Aprendizaje de Niños y Niñas en Etapa Escolar
Authors: Menacho Angeles Milagros Rocío , Arellan Araujo Ariana del Rosario , Jara Boza Andrea Pilar , Godoy Gonzales Johny Del Carmen , Gordiano Huamán Elsa Gladys 
Published: August 2024

El artículo científico tiene como objetivo analizar la importancia de espacios y ambientes creativos y su impacto en el aprendizaje en los niños. La metodología de investigación fue cualitativa, de diseño descriptivo. Se analizó sistemáticamente 30 artículos científicos no mayor de cinco años, considerando criterio de inclusión y exclusión, se gestionaron de fuentes confiables como Google Académico, Alicia Concytec, Scielo, Elsevier y Dialnet. Se utilizó la metodología de Design Thinking y el Método Pro.seso Creativo 3.0 de UCAL, que consistió en explorar, conceptualizar, idear, desarrollar y validar. La muestra de estudio estuvo constituida por 50 estudiantes de UCAL. El instrumento de investigación fue un cuestionario de 15 ítems. Los resultados señalaron que los 30 artículos revisados mencionaron que definir espacios y ambientes creativos incentivan al aprendizaje de los niños y niñas, por otro lado el resultado de la encuesta, el 46,2% de personas encuestadas mencionaron que es necesario de las futuras construcciones de diseño de un aula sean adecuadas para fomentar el aprendizaje de niños y niñas, el 44,2% consideran que casi siempre el interior de un aula estimula el aprendizaje de los estudiantes y el 9,6% mencionan que a veces .Finalmente se concluye que analizar la importancia de espacios y ambientes creativos y su impacto en el aprendizaje en los niños y niñas va de acuerdo con los objetivos del desarrollo sostenible, en este caso educación de calidad y industria, innovación e infraestructura por ello se recomienda seguir investigando este tema en torno a las metas del milenio y las ODS.
Analisis Kualitas Layanan Website SILADU Terhadap Kepuasan Pengguna Dengan Metode Webqual 4.0
Authors: Ramadhani Putri Kurnia , Wahyudin Wahyudin 
Published: August 2024

SILADU (Sistem Layanan dan Pengaduan) merupakan salah satu website pelayanan yang digunakan untuk dapat melakukan pelayanan kepada masyarakat yang digunakan oleh Pusdatin Kesos. SILADU digunakan untuk pengecekkan data bantuan sosial yangmana bantuan tersebut disalurkan oleh pemerintah kepada masyarakat DKI Jakarta salah satunya di wilayah Kelurahan Duri Kosambi. Berdasarkan hal tersebut maka dilakukan penelitian dengan menggunakan teknik webqual 4.0 yang terdiri dari 3 dimensi yaitu kualitas kegunaan, kualitas informasi, kualitas layanan interaksi untuk mengukur kualitas layanan website siladu.jakarta.go.id yang mana dilihat dari segi kepuasan pengguna. Data didapatkan dengan menyebarkan kuesioner yang dibagikan kepada warga Kelurahan Duri Kosambi dengan kritera usia 15-54 tahun dengan jumlah sampel 100 orang dan menggunakan teknik purposive sampling. Data diolah menggunakan SPSS Statistic 26. Didatpkan hasil dari uji simultan (uji f) ketiga dimensi Webqual 4.0 berpengaruh secara simultan terhadap kepuasan pengguna dengan fhitung sebesar 22,949 dan ftabel 2,699. Maka dapat disimpulkan penelitian ini berpengaruh terhadap user satisfaction (kepuasan pengguna).

SILADU (Service and Complaints System) is one of the service websites used to provide services to the community which is used by the Social Welfare Data and Data Center. SILADU is used to check data on social assistance which is distributed by the government to the people of DKI Jakarta, one of which is in the Duri Kosambi sub-district area. Based on this, research was conducted using the webqual 4.0 technique which consists of 3 dimensions, namely usability quality, information quality, interaction service quality to measure the service quality of the siladu.jakarta.go.id website which is seen in terms of user satisfaction. Data was obtained by distributing questionnaires which were distributed to residents of Duri Kosambi Village with criteria aged 15-54 years with a sample size of 100 people and using a purposive sampling technique. The data was processed using SPSS Statistics 26. It was found that the results of the simultaneous test (f test) of the three dimensions of Webqual 4.0 had a simultaneous effect on user satisfaction with an fcount of 22.949 and a ftable of 2.699. So it can be concluded that this research has an effect on user satisfaction.
Interrelationship between Social Media Addiction and Mental Health of Emerging Adults
Authors: Yamini P. , Pujar Lata 
Published: August 2024

Objective: This study investigates interrelationship between independent factors and social media addiction and mental health of emerging adults.
Study Area and Sample: The study was conducted in the Dharwad district of Karnataka State, India. The research was conducted during the year 2020-21. Total study sample consists of 160 students. Around 80 students from two arts colleges studying I year and II year and eighty students from two science colleges studying in I year and II year were selected.
Methodology: A general self-structured questionnaires gather information regarding social media usage. Social media addiction tool by Tutgan and Deniz (2015) was used to assess social media addiction and mental health inventory by Jagadish and Srivasthava (1983) was used to assess mental health status.
Results: Results indicate that age had significant negative correlation with social media and significant positive correlation mental health and education of father had significant positive correlation with social media addiction.
Unraveling the drivers of the storm time radiation belt response
Authors: Kilpua E. K. J. , Hietala H. , Turner D. L. , Koskinen H. E. J. , Pulkkinen T. I. , Rodriguez J. V. , Reeves G. D. , Claudepierre S. G. , Spence H. E. 
Published: March 2015

AbstractWe present a new framework to study the time evolution and dynamics of the outer Van Allen belt electron fluxes. The framework is entirely based on the large‐scale solar wind storm drivers and their substructures. The Van Allen Probe observations, revealing the electron flux behavior throughout the outer belt, are combined with continuous, long‐term (over 1.5 solar cycles) geosynchronous orbit data set from GOES and solar wind measurements A superposed epoch analysis, where we normalize the timescales for each substructure (sheath, ejecta, and interface region) allows us to avoid smearing effects and to distinguish the electron flux evolution during various driver structures. We show that the radiation belt response is not random: The electron flux variations are determined by the combined effect of the structured solar wind driver and prestorm electron flux levels. In particular, we find that loss mechanisms dominate during stream interface regions, coronal mass ejection (CME) ejecta, and sheaths while enhancements occur during fast streams trailing the stream interface or the CME.
THEMIS observations of electrostatic ion cyclotron waves and associated ion heating near the Earth's dayside magnetopause
Authors: Tang Xiangwei , Cattell Cynthia , Lysak Robert , Wilson Lynn B. , Dai Lei , Thaller Scott 
Published: March 2015

AbstractWe present the first observations of large‐amplitude electrostatic ion cyclotron (EIC) waves near the Earth's dayside magnetopause at MLT of ∼14 using data from Time History of Events and Macroscale Interactions during Substorms (THEMIS) satellites. The EIC waves were identified in a boundary layer in the magnetosphere adjacent to the magnetopause where reconnection was occurring. The EIC wave power was primarily at 2fcH (where fcH is the hydrogen cyclotron frequency) and simultaneously observed with perpendicular ion heating. The EIC waves had electric field amplitudes as large as 30 mV/m peak to peak with significant power both perpendicular and parallel to the magnetic field. These amplitudes were greater than those of previously observed ion cyclotron harmonics at the nightside magnetopause. The EIC waves occurred during an interval of enhancements in the quasi‐static electric field and fluctuations in the background magnetic field, plasma density, and temperatures. The observations indicate that a plasma density gradient is a possible source of free energy for the EIC waves. The observed flow shears are not large enough to drive the waves. Whistler mode waves were identified near the EIC wave region but closer to the magnetopause in a region with slightly higher ion and electron temperatures.
Combination of Data
Authors: Cox D. R. , Keogh Ruth H. 
Published: March 2015

Abstract
A general discussion is given of the statistical issues involved in merging information from different sets of data, a common parameter of interest being involved. In the simplest situation, a weighted mean of separate estimates is used, care being needed particularly when the weights themselves are subject to appreciable errors of estimation. The possible impact of systematic errors is discussed. The latter parts of the section concern more complicated situations.
meso,β‐Oligohaloporphyrins as Useful Synthetic Intermediates of Diphenylamine‐Fused Porphyrin and meso‐to‐meso β‐to‐β Doubly Butadiyne‐Bridged Diporphyrin
Authors: Fukui Norihito , Yorimitsu Hideki , Osuka Atsuhiro 
Published: March 2015

AbstractThe chlorination of β‐halo or β,β‐dihaloporphyrins with 2‐chloro‐1,3‐bis(methoxycarbonyl)guanidine (Palau′Chlor) proceeded selectively at the neighboring unsubstituted meso position to afford meso,β‐dihalo or meso,β,β‐trihaloporphyrins. Such oligohaloporphyrins are useful platforms for constructing more‐elaborate porphyrin‐based extended π systems. For example, meso‐chloro‐β,β‐diiodoporphyrin participated in an efficient single‐step synthesis of a diphenylamine‐fused porphyrin. In addition, meso‐chloro‐β‐iodoporphyrin was transformed in stepwise fashion into an efficiently conjugated meso‐to‐meso,β‐to‐β doubly butadiyne‐linked porphyrin dimer, a system which was previously difficult to access without such haloporphyrin precursors.
Phosphorus‐Modified Tungsten Nitride/Reduced Graphene Oxide as a High‐Performance, Non‐Noble‐Metal Electrocatalyst for the Hydrogen Evolution Reaction
Authors: Yan Haijing , Tian Chungui , Wang Lei , Wu Aiping , Meng Meichen , Zhao Lu , Fu Honggang 
Published: March 2015

AbstractPhosphorus‐modified tungsten nitride/reduced graphene oxide (P‐WN/rGO) is designed as a high‐efficient, low‐cost electrocatalyst for the hydrogen evolution reaction (HER). WN (ca. 3 nm in size) on rGO is first synthesized by using the H3[PO4(W3O9)4] cluster as a W source. Followed by phosphorization, the particle size increase slightly to about 4 nm with a P content of 2.52 at %. The interaction of P with rGO and WN results in an obvious increase of work function, being close to Pt metal. The P‐WN/rGO exhibits low onset overpotential of 46 mV, Tafel slope of 54 mV dec−1, and a large exchange current density of 0.35 mA cm−2 in acid media. It requires overpotential of only 85 mV at current density of 10 mA cm−2, while remaining good stability in accelerated durability testing. This work shows that the modification with a second anion is powerful way to design new catalysts for HER.
No‐man's Land: Adoption Storied Through the Aotearoa/New Zealand Adoption Act 1955
Authors: Blake Denise , Coombes Leigh 
Published: March 2015

AbstractThe Aotearoa/New Zealand Adoption Act 1955 legislated and governed adoption practices from 1955 to 1985. Through an exploration of the historical, cultural and social assumptions underlying the Adoption Act 1955, this article questions how the social power relations complicit with adoption legislation and policy produce and reproduce subject positions for adoptees. In‐depth narrative interviews were conducted with 12 adoptees from throughout Aotearoa/New Zealand. The researchers found the legal constitution of adoptees produces them as legitimate; however, they remain ‘other’ through dominant discourses of heteronormative blood kinship that reiterates their illegitimacy. The legal fiction of their legitimacy as if born to failed to secure them space within normative narratives of kinship and compromised adoptees' ability to take up responsibility as neoliberal citizens. Current New Zealand debate on adoption fails to take account of the experience of adoptees, focusing instead on the rights of married couples, including same‐sex couples, to continue practices of adoption. Our analysis informs the critical importance of listening to how adoptees experience repeated exclusions and enduring loss represented by the metaphor of no‐man's land. Copyright © 2015 John Wiley & Sons, Ltd.
IBX Oxidation of Benzenedimethanols in the Presence of Cucurbit[8]uril
Authors: Cong Hang , Chen Qiuju , Geng Qingxia , Tao Zhu , Yamato Takehiko 
Published: March 2015

AbstractThe cucurbit[8]uril (Q[8]) mediated oxidation of benzenedimethanols with o‐iodoxybenzoic acid (IBX) in aqueous solution has been investigated, and the results reveal the supramolecular catalysis depends on the electronic and geometric structure of substrate. In the cases of o‐benzenedimethanol (1a) and m‐benzenedimethanol (1b), the IBX oxidation could be obviously enhanced by the addition of Q[8] at different extent. There is no observation of the catalytic activity of Q[8] when p‐benzenedimethanol (1c) is subjected to the IBX oxidation. The addition amount of Q[8] is discussed herein, and the addition of more than 10% mol catalyst cannot improve the oxidation much more. The investigation of host‐guest interactions by isothermal titration calorimetry implies the supramolecular catalysis is related to the formation of complexes between benzenedimethanols and cucurbit[8]uril.
pH‐Sensitive Gold Nanorods with a Mesoporous Silica Shell for Drug Release and Photothermal Therapy
Authors: Zhang Ting , Ding Zeyang , Lin Huiming , Cui Liru , Yang Chunyu , Li Xin , Niu Hao , An Na , Tong Ruihan , Qu Fengyu 
Published: March 2015

AbstractA pH‐sensitive nanocarrier has been developed for the controlled intracellular release of drugs. The nanocarrier, which is approximately 75 nm in size, is composed of a gold nanorod (GNR) core and mesoporous silica shell (GNR@mSiO2) and shows good stability and biocompatibility, and excellent photothermal effects. Doxorubicin hydrochloride (DOX), a typical anticancer drug, was adopted as the model drug, and was connected to the mesoporous silica through Schiff base bonding. The drug‐loading nanocarriers (GNR@mSiO2‐DOX) exhibit enhanced drug release under acidic conditions owing to the sensitive Schiff base linker, whereas at high pH values low levels of premature release can be detected. The sensitive release mechanism was further investigated by monitoring the zeta potential before and after drug release. HeLa cells were used as typical cancer cells, and detailed cell experiments were carried out to confirm the good biocompatibility, rapid uptake, and acid‐enhanced drug delivery of GNR@mSiO2‐DOX. Moreover, the synergistic effect of chemotherapy and hyperthermia (photothermal effect from GNRs) of the nanocarrier can be expected to lead to improved therapy effects on cancer treatment.
Armochaetoglobins K–R, Anti‐HIV Pyrrole‐Based Cytochalasans from Chaetomium globosum TW1‐1
Authors: Chen Chunmei , Zhu Hucheng , Wang Jianping , Yang Jing , Li Xiao‐Nian , Wang Jing , Chen Keliang , Wang Yanyan , Luo Zengwei , Yao Guangmin , Xue Yongbo , Zhang Yonghui 
Published: March 2015

AbstractEight rare pyrrole‐based cytochalasans, termed armochaetoglobins K–R (1–8), along with three known analogues (9–11), were isolated from the solid culture broth of Chaetomium globosum TW1‐1, a symbiotic fungus derived from the medicinal terrestrial arthropod Armadillidium vulgare. Their structures were elucidated using a combination of spectroscopic analysis, a single‐crystal X‐ray diffraction experiment, and an electronic circular dichroism (ECD) calculation. Compounds 4–8 represent the first examples of chaetoglobosin‐type cytochalasans with an sp3 methine carbon at C‐18. All of the isolates were evaluated for their anti‐HIV activities in vitro, and compounds 2–4, 7, 8, and 10 showed significant anti‐HIV activities, with EC50 values ranging from 0.11 to 0.55 μM, and selectivity index (SI) values ranging from 12.33 to 75.42. A plausible biosynthetic pathway was proposed to explain the origin of the pyrrole ring.
Multi‐Expanded Porphyrin Assemblies on Cyclophosphazene Scaffolds
Authors: Kaur Tejinder , Khan Tamanna K. , Ravikanth Mangalampalli 
Published: March 2015

AbstractCyclotriphosphazene and cyclotetraphosphazene appended with six and eight sapphyrin units, respectively, were prepared by treating N3P3Cl6 and N4P4Cl8 with the appropriate equivalents of 5,10,15‐tri(p‐tolyl)‐20‐(4‐hydroxyphenyl)‐25,27,29‐trithiasapphyrin in tetrahydrofuran (THF) in the presence of Cs2CO3 at temperatures of 0 to 60 °C for 8–12 h. The two multi‐expanded porphyrin assemblies were soluble in common organic solvents, and their identities were confirmed by their corresponding molecular ion peak in the MALDI‐TOF mass spectra. 1D and 2D NMR spectroscopic techniques were used to deduce the molecular structures of the mult‐expanded porphyrin assemblies. Absorption spectral studies showed that the band positions of the multisapphyrin assemblies were similar to that of the monomeric sapphyrin, but the extinction coefficients were three‐ to fourfold higher than that of the monomeric sapphyrin. The multisapphyrin assemblies are not very stable under redox conditions.
Synthesis of Chiral β‐Aminomalonates from 2‐Chlorotetrafluoroethanesulfinyl Aldimines through the Mannich Reaction
Authors: Yang Kai , Jiang Min , Liu Jin‐Tao 
Published: March 2015

AbstractAn efficient method for the synthesis of chiral β‐aminomalonates in good yields and with high diastereoselectivities was achieved through Mannich reactions between 2‐chlorotetrafluoroethanesulfinyl aldimines and dialkyl malonates in the presence of N‐trimethylsilylimidazole. Further transformation of the products gave the corresponding β‐lactams in good yields and with high optical purities.
Synthesis of Fluorine‐Containing 3,3‐Disubstituted Oxetanes and Alkylidene Oxetanes
Authors: Laporte Romain , Prunier Anais , Pfund Emmanuel , Roy Vincent , Agrofoglio Luigi A. , Lequeux Thierry 
Published: March 2015

AbstractAccess to fluoroalkylidene‐oxetanes and ‐azetidines was realized from 3‐oxetanone, 3‐azetidinone, and fluorosulfones through the Julia–Kocienski reaction. This approach allows the preparation of new precursors of fluorinated four‐membered rings that contain a nucleic base, an ester or aryl sulfone function, and a pyrrolidine ring. Benzothiazolyl‐sulfone‐mediated aza‐Michael addition reaction of nitrogen nucleophiles enables access to 3,3‐disubstituted oxetanes.
Hydrotreating reactions of tall oils over commercial NiMo catalyst
Authors: Anthonykutty Jinto M. , Linnekoski Juha , Harlin Ali , Lehtonen Juha 
Published: March 2015

AbstractCatalytic hydrotreating is an attractive method for upgrading bio‐derived oils into renewable feedstocks with less oxygen content, suitable for producing valuable hydrocarbons through various petro‐refinery processes. This study evaluates the catalytic activity of a commercial alumina (Al2O3) supported NiMo catalyst for hydrotreating tall oil feeds such as crude tall oil (CTO), distilled tall oil (DTO), and tall oil fatty acid (TOFA). Catalytic experiments carried out in a bench‐scale fixed bed reactor set‐up at different process conditions [space velocity (1–3 h−1), temperature (325–450°C), and H2 pressure (5 MPa)] produced a wide‐range of products from tall oil feeds. Hydrotreating of TOFA produced highest yield of n‐alkanes (>80 wt%) compared to DTO and CTO hydrotreating. A high conversion of fatty acids and resin acids was obtained in DTO hydrotreating. In CTO hydrotreating, a drop in conversion of fatty acids and resin acids was observed especially at the lowest temperature tested (325°C). The study revealed that there are various deoxygenation pathways preferential at different hydrotreating temperatures. As an example for TOFA, the decarboxylation route is dominant over the hydrodeoxygenation route at high temperatures (>400°C).