bluuebunny/crossref_metadata_2025_split huggingface dataset:
Developing Partnerships to Acquire Impact: The Role of Three Regional Centres’ Capacity Building Efforts for ODL Adoption in the Emerging World
Authors: Perris Kirk , McGreal Rory 
Published: July 2022

Partnerships are central to the awareness, implementation and development of open and distance learning (ODL). It is an attribute that is distinct in the higher education sector, where ODL has made a large footprint by dispelling the notion that university enrolment is reserved for a narrow and elite demographic. The Commonwealth of Learning (COL) operates to advance the uptake of ODL amongst the 54 member states of the Commonwealth. COL leverages its work through various channels, and the COL Regional Centres play a pivotal role as partners to COL and, in turn, to acquire new partners that may benefit from COL’s technical expertise. The Regional Centres, strategically located across the Commonwealth, engage primarily in capacity building for ODL. Their constituents include governments, institutions, and individual learners. This paper explores the role of COL Regional Centres to grow existing partnerships and to form new ones in the pursuit of ODL expansion. The formation of partnerships is understudied in the ODL space, yet it has been pivotal in augmenting the visibility and importance of ODL around the world. Drawing on data from an evaluation of three COL Regional Centres conducted at the end of 2019, and reporting on follow-up activities to the mid-point of 2021, this paper highlights how the RCs are achieving their mandate to engage partners and, in the process, have achieved short- and long-term outcomes since 2018. Findings provide insight into the effectiveness of RC activities, relative to the number of institutions and individuals reached, complemented with inputs from RC stakeholders, mostly comprised of RC staff. Recommendations are offered, with the paper positing that the role of the Regional Centres should continue and expand to other areas of the Commonwealth premised on their ability to build and sustain partnerships through capacity building efforts.
Open and Innovative Schooling: An Implementation Experience in Fifteen Secondary Schools across Mozambique
Authors: Cossa Sérgio Paulo , Nakala Lurdes Patrocínia Matavela , Cherinda Nilsa Adelaide Issufo Enoque Pondja 
Published: July 2022

This case study explores the open and innovative schooling model piloted in fifteen secondary schools across all regions of Mozambique in the period 2018 to 2020. The model involved provision of access to curriculum-based digital Open Educational Resources (OER) using an Aptus device to enable sharing offline. Learning support centres offering access to some ICT as well as opportunities for individual use or structured tutorials were established in fifteen schools around the country. A mixed methods tracer study was designed and implemented using quantitative analysis to ascertain student enrolment, retention and success and then used qualitative focus surveys and focus groups to gauge the satisfaction of students, teachers and managers with the OIS model to inform future planning. While the pilot was generally considered successful in augmenting existing secondary schooling provision, access to devices, teacher development and support and expansion of curriculum coverage were all found to be in critical need of improvement if the model is to be scaled.
MITIGASI BENCANA BERBASIS MODA MEDIA INTERAKTF (MMI) PADA MASYARAKAT DESA TUPA,KABUPATEN BONE BOLANGO
Authors: Cuga Candra , Adhani Yuli , Ardini Pupung Puspa 
Published: July 2022

Indonesia merupakan negara dengan potensi bencana alam sangat tinggi, khususnya untuk bencana gempa bumi, longsor, banjir, letusan gunung berapi, dan tsunami, karena posisi geografis negara ini terletak di pertemuan tiga lempeng/kerak bumi aktif. Edukasi bencana kepada anak-anak maupun masyarakat sejak dini merupakan salah satu langkah awal dalam membangun masyarakat sadar bencana, sehingga saat peristiwa alam tersebut terjadi, mereka tidak panik dan bingung karena sudah memiliki bekal dalam menghadapi bencana. Daerah Kabupaten Bone Bolango Provinsi Gorontalo khususnya Desa Tupa Kecamatan Bulango Utara merupakan contoh dari banyak daerah di Provinsi Gorontalo yang rawan terhadap bencana banjir dan longsor. Kondisi topografi dan demografi Desa Tupa yang lebih rendah dari daerah sekitar kerap membuat air dari desa sebelah menggenang di desa Tupa. Sungai besar dengan tanggul yang rendah juga menyebabkan air dengan cepatnya menggenangi daerah permukiman hal tersebut membutuhkan solusi yang bersifat aktif dan partisipatif.
Metode Pelaksanaan kegiatan ini adalah berupa program mitigasi bencana alam melalui media edukatif interaktif terhadap masyarakat terutama pada lingkungan keluarga (anak-anak dan orang tua). Urgensi program mitigasi dilakukan agar masyarakat terhidar dan sigap terhadap bencana yang sewaktu-waktu dapat terjadi. Kegiatan ini bertujuan mengurangi resiko dan dampak dari bahaya bencana. Kegiatan tersebut akan dilakukan dalam kurun waktu tiga bulan yang meliputi 4 tahapan, yaitu tahap persiapan, tahap pelaksanaan, tahap evaluasi dan tahap publikasi. Kegiatan pengabdian masyakarat yang dilaksanakan di desa Tupa Kecamatan Bulango Utara Kab. Bone Bolango berjalan dengan lancar dan sukses. Kerjasama antara tim kolaboratif dosen dan mahasiswa serta pemerintah Desa menjadi kunci keberhasilan program. Alhasil program ini memberikan dampak terhadap pemahaman dan sikap siswa serta masyakarat dalam mencegah terjadinya bencana alam serta cara yang dapat dilakukan saat terjadinya bencana tersebut. Melalui mode media interaktif yang dipadu dengan media role playing sangat sesuai dengam sasaran program yakni anak-anak bersama keluarga di rumah merupakan bagian dari keunggulan program ini. Metode role playing agar kelompok sasaran dapat memahami dengan baik materi dalam permainan. Moda interaktif dapat memberi pengalaman belajar, seperti kemampuan kerja sama, komunikatif, dan menginterpretasikan suatu kejadian. Selain itu moda belajar tersebut dapat meningkatkan kemampuan dan keterampilan serta sikap kelompok sasaran dalam kehidupan sosial serta interaksi dengan alam semesta.
EFEKTIFITAS PENGELOLAAN TERNAK LEBAH MADU DALAM PELAKSANAAN EDUWISATA DI DESA NGARGORETNO KECAMATAN SALAMAN KABUPATEN MAGELANG PROVINSI JAWA TENGAH
Authors: Wijaya Rendy , Suganda R. Sondjana Ali , Muslim Syaeful 
Published: July 2022

Penelitian ini bertujuan Mengetahui tata kelola ternak lebah madu di Segoro Madu Desa Ngargoretno dan Mengetahui jenis dan kondisi peralatan untuk meningkatkan produksi lebah dan madu di Segoro Madu Desa Ngargoretno serta Mengetahui diversifikasi produk lebah madu di Segoro Madu Desa Ngargoretno. Penelitian kualitatif ini memberikan gambaran dan merangkum berbagai keadaan atau situasi yang terjadi dengan para peternak lebah madu di .Desa Ngargoretno sebagai obyek penelitian.
Rekomendasi berdasarkan hasil penelitian yaitu perlu adanya penyuluhan mengenai cara penataan kelola yang lebih efektif seperti pembelian koloni lebah, Memberikan pengarahan kepada petani lebah di Desa Ngargoretno mengenai penggunaan fasilitas untuk menambah produksi madu dengan cara integrasi tanaman kopi, kotak jebak dan penanganan stup lebah dan dukungan dinas pariwisata Bersama pemerintah daerah untuk mengembangkan produk di Desa Ngargoretno mengenai pembangunan museum lebah dan galeri lebah.
Accommodative Gain in Presbyopic Eye Using a New Procedure of Laser Scleral Softening (LSS): Part-II. Formulas for Volume Efficacy
Authors: Lin Jui-Teng 
Published: July 2022

Purpose: To derive and provide, for the first time, comprehensive analytic formulas for scleral softening volume efficacy (SVE) for accommodative gain (AG) via the increased space between ciliary body and lens (SCL) and mobility of the posterior vitreous zonules (PVZ).
Study Design: To increase the AG of presbyopic eye by a new procedure, laser scleral softening (LSS).
Place and Duration of Study: New Taipei City, Taiwan, between June 2022 and July 2022.
Methodology: The SVE is calculated based on the time and spatial integral of the scleral temperature profiles, T(z,t), solutions of a heat diffusion equation. Analytic formulas for SVE is derived based on the covered area given by a triangle area. The SVE of a 3-D model is governed by the "volume" covered by the laser beam, or its spot size area, the effective penetration depth (z"), which is an increasing function of laser dose, but a decreasing function of the absorption coefficient (A), due to the Beer's law of laser intensity, I(z)=I0exp(-Az). The efficacy depth-range (dZ) and time-ranges (dT) are defined for efficient softening with T(z,t)>T*, where T* is the scleral softening threshold temperature.
Results: The accommodative gain is proportional to the 3-D SVE given by: SEV(3D) = SEV(1D) x laser beam spot (2-D area) x total number of spots (N) acting on the sclera, which is proportional to the efficacy ranges dZ and dT, in which dZ is an increasing of laser irradiation time, whereas dT is a decreasing function of depth. Softening of the scleral tissue after a thermal laser leading to the increase of PVZ mobility and SCL. However, the actual relation of SVE and the PVZ and SCL changes require measured data.
Conclusion: Safety and efficacy of scleral softening for presbyopia treatment depend upon the laser parameters (intensity, dose, spot size, wavelength) and the effective depths. The SVE is proportional to the efficacy depth-range (dZ) and time-range (dT), in which dZ is an increasing of laser irradiation time and dT is a decreasing function of depth. The AG is proportional to the SVE(in 3-D).
An evaluation of quality assurance guidelines comparing the American College of Radiology and American Association of Physicists in Medicine task group 284 for magnetic resonance simulation
Authors: Buatti Jacob S. , Gallagher Kyle J. , Bailey Isaac , Griglock Thomas , Heard Malcolm 
Published: July 2022

AbstractPurposeThe purpose of this study was to evaluate similarities and differences in quality assurance (QA) guidelines for a conventional diagnostic magnetic resonance (MR) system and a MR simulator (MR‐SIM) system used for radiotherapy.MethodsIn this study, we compared QA testing guidelines from the American College of Radiology (ACR) MR Quality Control (MR QC) Manual to the QA section of the American Association of Physicists in Medicine (AAPM) Task Group 284 report (TG‐284). Differences and similarities were identified in testing scope, frequency, and tolerances. QA testing results from an ACR accredited clinical diagnostic MR system following ACR MR QC instructions were then evaluated using TG‐284 tolerances.ResultsFive tests from the ACR MR QC Manual were not included in TG‐284. Five new tests were identified for MR‐SIM systems in TG‐284 and pertained exclusively to the external laser positioning system of MR‐SIM systems. “Low‐contrast object detectability” (LCD), “table motion smoothness and accuracy,” “transmitter gain,” and “geometric accuracy” tests differed between the two QA guides. Tighter tolerances were required in TG‐284 for “table motion smoothness and accuracy” and “low contrast object detectability.” “Transmitter gain” tolerance was dependent on initial baseline measurements, and TG‐284 required that geometric accuracy be tested over a larger field of view than the ACR testing method. All tests from the ACR MR QC Manual for a conventional MR system passed ACR tolerances. The T2‐weighted image acquired with ACR sequences failed the 40‐spoke requirement from TG‐284, transmitter gain was at the 5% tolerance of TG‐284, and geometric accuracy could not be evaluated because of required equipment differences. Table motion passed both TG‐284 and ACR required tolerances.ConclusionOur study evaluated QA guidelines for an MR‐SIM and demonstrated the additional QA requirements of a clinical diagnostic MR system to be used as an MR‐SIM in radiotherapy as recommended by TG‐284.
Immune responses to SARS‐CoV‐2 vaccination in multiple sclerosis: a systematic review/meta‐analysis
Authors: Gombolay Grace Y. , Dutt Monideep , Tyor William 
Published: July 2022

AbstractIntroductionResponses to SARS‐CoV‐2 vaccination in patients with MS (pwMS) varies by disease‐modifying therapies (DMTs). We perform a meta‐analysis and systematic review of immune response to SARS‐CoV‐2 vaccines in pwMS.MethodsTwo independent reviewers searched PubMed, Google Scholar, and Embase from January 1, 2019‐December 31, 2021, excluding prior SARS‐CoV‐2 infections. The meta‐analysis of observational studies in epidemiology (MOOSE) guidelines were applied. The data were pooled using a fixed‐effects model.ResultsEight‐hundred sixty‐four healthy controls and 2203 pwMS from 31 studies were included. Antibodies were detected in 93% healthy controls (HCs), and 77% pwMS, with >93% responses in all DMTs (interferon‐beta, glatiramer acetate, cladribine, natalizumab, dimethyl fumarate, alemtuzumab, and teriflunomide) except for 72% sphingosine‐1‐phosphate modulators (S1PM) and 44% anti‐CD20 monoclonal antibodies (mAbs). T‐cell responses were detected in most anti‐CD20 and decreased in S1PM. Higher antibody response was observed in mRNA vaccines (99.7% HCs) versus non‐mRNA vaccines (HCs: 72% inactivated virus; pwMS: 86% vector, 59% inactivated virus). A multivariate logistic regression model to predict vaccine response demonstrated that mRNA versus non‐mRNA vaccines had a 3.4 odds ratio (OR) for developing immunity in anti‐CD20 (p = 0.0052) and 7.9 OR in pwMS on S1PM or CD20 mAbs (p < 0.0001). Antibody testing timing did not affect antibody detection.ConclusionAntibody responses are decreased in S1PM and anti‐CD20; however, cellular responses were positive in most anti‐CD20 with decreased T cell responses in S1PM. mRNA vaccines had increased seroconversion rates compared to non‐RNA vaccines. Further investigation in how DMTs affect vaccine immunity are needed.
Electrochemical Sensors Based on MoSx‐Functionalized Laser‐Induced Graphene for Real‐Time Monitoring of Phenazines Produced by Pseudomonas aeruginosa
Authors: Zhou Keren , Kammarchedu Vinay , Butler Derrick , Soltan Khamsi Pouya , Ebrahimi Aida 
Published: July 2022

AbstractPseudomonas aeruginosa (P. aeruginosa) is an opportunistic pathogen causing infections in blood and implanted devices. Traditional identification methods take more than 24 h to produce results. Molecular biology methods expedite detection, but require an advanced skill set. To address these challenges, this work demonstrates functionalization of laser‐induced graphene (LIG) for developing flexible electrochemical sensors for P. aeruginosa based on phenazines. Electrodeposition as a facile approach is used to functionalize LIG with molybdenum polysulfide (MoSx). The sensor's limit of detection (LOD), sensitivity, and specificity are determined in broth, agar, and wound simulating medium (WSM). Control experiments with Escherichia coli, which does not produce phenazines, demonstrate specificity of sensors for P. aeruginosa. The LOD for pyocyanin (PYO) and phenazine‐1‐carboxylic acid (PCA) is 0.19 × 10−6 and 1.2 × 10−6 m, respectively. Furthermore, the highly stable sensors enable real‐time monitoring of P. aeruginosa biofilms over several days. Comparing square wave voltammetry data over time shows time‐dependent generation of phenazines. In particular, two configurations—“Normal” and “Flipped”—are studied, showing that the phenazines time dynamics vary depending on how cells interact with sensors. The reported results demonstrate the potential of the developed sensors for integration with wound dressings for early diagnosis of P. aeruginosa infection.
Self‐Powered Wearable Piezoelectric Monitoring of Human Motion and Physiological Signals for the Postpandemic Era: A Review
Authors: Wang Yinli , Yu Yaonan , Wei Xueyong , Narita Fumio 
Published: July 2022

AbstractAs society advances, the shift from passive medical care to health management and preventive medical care has become an important issue, with the realization of wearable monitors becoming desirable. In light of the COVID‐19 pandemic, the number of patients who are in urgent need of the monitoring of biological information is increasing. This review focuses on piezoelectric materials and composites that convert kinetic energy into electrical energy to realize self‐powered wearable monitoring sensors, outlining the recent research activity on sensors for use in healthcare monitoring. First, a general description of the principles of piezoelectric monitoring sensors is given. Next, the development status of piezoelectric materials and composites aimed at the application of detecting tiny motions of the human body is introduced, and then the research trends on the detection of larger human body movements are highlighted. Finally, after presenting the performance of current piezoelectric sensors and future research guidelines for developing multifunctional systems in the post COVID‐19 era, the achievements are summarized. Overall, this review will provide guidance to researchers who are seeking to design and develop highly sensitive self‐powered piezoelectric sensors that monitor human motion and physiological signals.
A Neuromorphic Electrothermal Processor for Near‐Sensor Computing
Authors: Shirmohammadli Vahideh , Bahreyni Behraad 
Published: July 2022

AbstractThe statistical processing of sensor data using conventional digital computers is inefficient in terms of time, energy usage, and communication bandwidth, among others. Therefore, new approaches are sought to create context and make sense of the sensor data using special‐purpose computers that excel in specific computation tasks. Herein, the requirements for physical systems to perform sophisticated nonlinear computations needed for real‐time pattern recognition in data, specifically sensor data, are discussed. The focus is on physical reservoir computing as a neuromorphic computing approach. Considering energy flow as the coupling mechanism between nonlinear dynamic systems, it is demonstrated that many physical systems satisfy the basic requirements for building reservoir computers. Using physical reservoir computers brings up exciting opportunities for near‐ or in‐sensor computing as to how new data are collected and processed. The concepts are demonstrated through a novel physical computation platform, where off‐the‐shelf, temperature‐sensitive resistors are used to perform various standard and specific computational tasks. This platform is used as a near‐sensor processor to detect particular events. How a similar platform may be used for in‐sensor neuromorphic computations is further discussed.
Ultraviolet‐Sensitive OLED with Tunable Wavelength and Intensity by Integrated ZnO Nanowires Schottky Junction
Authors: Zhao Wei , Bi Sheng , Chen Lu‐hua , Asare‐Yeboah Kyeiwaa , Song Jin‐hui 
Published: July 2022

AbstractOrganic light‐emitting diode (OLED) displays are one of the dominant flat panel display technologies. Here, a novel ultraviolet (UV)‐sensitive OLED (USO) is reported, which emits visible light with adjustable wavelength and brightness according to the intensity of the incident UV light. The USO employs zinc oxide nanowires (ZnO NWs) with Schottky junctions to control current and engages exciplex‐emitting OLED to emit light according to the incident UV light. As the UV light intensity increases from 0.09 to 8.15 mW cm−2, USO emits light with a peak wavelength that ranges from 595 to 525 nm, a color coordinate from (0.458, 0.485) to (0.339, 0.555), and a light intensity that is anywhere from 97 to 6915 cd m−2. The USO has a fast photoresponse characteristic due to the effect of the Schottky barrier introduced by the close contact of the ZnO NWs and gold electrodes. The luminescence color of the USO changes from dark orange to harsh green because of the exciplexes’ different formation ratios under differing UV intensities. As a result of the USO taking advantage of the Schottky barrier and exciplex, the realization of many innovative applications in optoelectronic devices is possible.
PDMS‐Assisted Low‐Temperature Synthesis of Submillimeter All‐Inorganic Halide Perovskite Microcrystals for High‐Performance Photodetectors
Authors: Lai Zhengxun , Meng You , Wang Fei , Bu Xiuming , Chen Dong , Xie Pengshan , Wang Weijun , Li Dengji , Zhang Yuxuan , Wang Wei , Liu Chuntai , Yip SenPo , Ho Johnny C. 
Published: July 2022

AbstractAll‐inorganic halide perovskites (AIHPs) are promising photovoltaic materials that have been extensively studied in the last decade. In addition, lead‐free AIHPs are preferred because of their non‐toxic and environmentally friendly nature. However, the quality of AIHPs fabricated by conventional solution processing methods is usually unsatisfactory, which leads to poor photoelectric performance. Herein, a facile polydimethylsiloxane‐assisted slow evaporation method that can be readily used to synthesize high‐quality AIHP microcrystals (MCs) (CsPbBr3, Cs2AgBiBr6, and L‐Cs3Sb2I9) is demonstrated. The photodetection properties of the synthesized AIHP MCs and their spin‐coated thin‐film counterparts are thoroughly studied and compared. Owing to their superior crystallinity, AIHP MCs show better photoelectric performance than spin‐coated films. The responsivity of the CsPbBr3microcrystal photodetectors is ≈590 000 mA W−1. This work proposes a universal solution‐processing method for the successful fabrication of high‐quality all‐inorganic lead‐based (CsPbBr3), lead‐free (L‐Cs3Sb2I9), and double (Cs2AgBiBr6) perovskites, which can overcome the bottleneck in the development of halide perovskites and promote their applications.
Tailoring the Highly Efficient Upconversion Luminescence of All‐Inorganic Er3+‐Based Halide Double Perovskites by Introducing Various Energy Trapping Centers
Authors: Zhang Guodong , Dang Peipei , Lian Hongzhou , Huang Shanshan , Yang Wei , Cheng Ziyong , Lin Jun 
Published: July 2022

AbstractRare‐earth ions doped halide double perovskites are considered as promising luminescent materials. However, the contradiction of fluorescence quenching at high concentrations and the lack of sufficient upconversion photoluminescence (UCPL) emitters remain a significant challenge. Here, a lead‐free Er3+‐based halide double perovskite Cs2NaErCl6 is reported, which exhibits bright orange and green UCPL emission under 980 and 808 nm laser excitation, respectively. Subsequently, the UCPL emission intensity is greatly enhanced and the emission color is tunable by introducing different energy trapping centers. Importantly, under 980 nm laser excitation, the facilely prepared Yb3+‐ and Tm3+‐doped Cs2NaErCl6 perovskites exhibit remarkably efficient multicolor upconverting emission, which is comparable to or even outperformes the commercial UCPL phosphor prepared by the high‐temperature solid‐state method. Meanwhile, the UCPL mechanisms involved in the energy transfer upconversion and excited‐state absorption are also explored, which can promote a better understanding of the UCPL processes. Moreover, these efficient multimode luminescence features show great potential in anticounterfeiting applications.