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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
Showing 1 - 200 of 265 Journals sorted alphabetically
Accountability in Research: Policies and Quality Assurance     Hybrid Journal   (Followers: 19)
Acta Nova     Open Access   (Followers: 2)
Acta Scientifica Malaysia     Open Access   (Followers: 1)
Acta Scientifica Naturalis     Open Access   (Followers: 4)
Adıyaman University Journal of Science     Open Access  
Advanced Science     Open Access   (Followers: 16)
Advanced Science, Engineering and Medicine     Partially Free   (Followers: 8)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 4)
Advances in Research     Open Access  
Advances in Science and Technology     Full-text available via subscription   (Followers: 18)
African Journal of Science, Technology, Innovation and Development     Hybrid Journal   (Followers: 8)
Afrique Science : Revue Internationale des Sciences et Technologie     Open Access   (Followers: 1)
AFRREV STECH : An International Journal of Science and Technology     Open Access   (Followers: 3)
Alfarama Journal of Basic & Applied Sciences     Open Access   (Followers: 12)
American Academic & Scholarly Research Journal     Open Access   (Followers: 4)
American Journal of Applied Sciences     Open Access   (Followers: 22)
American Journal of Humanities and Social Sciences     Open Access   (Followers: 14)
Anales del Instituto de la Patagonia     Open Access  
Applied Mathematics and Nonlinear Sciences     Open Access   (Followers: 2)
Arab Journal of Basic and Applied Sciences     Open Access  
Arabian Journal for Science and Engineering     Hybrid Journal   (Followers: 1)
Archives Internationales d'Histoire des Sciences     Partially Free   (Followers: 5)
Archives of Current Research International     Open Access  
ARPHA Conference Abstracts     Open Access   (Followers: 1)
ARPHA Proceedings     Open Access  
Asian Journal of Advanced Research and Reports     Open Access  
Asian Journal of Scientific Research     Open Access   (Followers: 2)
Asian Journal of Technology Innovation     Hybrid Journal   (Followers: 5)
Australian Field Ornithology     Full-text available via subscription   (Followers: 1)
Australian Journal of Social Issues     Hybrid Journal   (Followers: 6)
Bangladesh Journal of Scientific Research     Open Access  
Beni-Suef University Journal of Basic and Applied Sciences     Open Access   (Followers: 1)
Berichte Zur Wissenschaftsgeschichte     Hybrid Journal   (Followers: 11)
Bilge International Journal of Science and Technology Research     Open Access  
Bioethics Research Notes     Full-text available via subscription   (Followers: 15)
BJHS Themes     Open Access   (Followers: 1)
Bulletin de la Société Royale des Sciences de Liège     Open Access  
Bulletin of the National Research Centre     Open Access  
Chain Reaction     Full-text available via subscription  
Ciencia Amazónica (Iquitos)     Open Access  
Ciencia en su PC     Open Access   (Followers: 1)
Ciencia Ergo Sum     Open Access  
Ciência ET Praxis     Open Access  
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Comunicata Scientiae     Open Access  
Conference Papers in Science     Open Access  
Configurations     Full-text available via subscription   (Followers: 11)
COSMOS     Hybrid Journal   (Followers: 1)
Crea Ciencia Revista Científica     Open Access  
Current Issues in Criminal Justice     Hybrid Journal   (Followers: 14)
Current Research in Geoscience     Open Access   (Followers: 6)
Data     Open Access   (Followers: 4)
Dhaka University Journal of Science     Open Access  
Discover Sustainability     Open Access   (Followers: 5)
Einstein (São Paulo)     Open Access  
Ekaia : EHUko Zientzia eta Teknologia aldizkaria     Open Access  
Emergent Scientist     Open Access  
Enhancing Learning in the Social Sciences     Open Access   (Followers: 7)
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Entramado     Open Access  
Entre Ciencia e Ingeniería     Open Access  
Epiphany     Open Access   (Followers: 1)
Ethiopian Journal of Education and Sciences     Open Access   (Followers: 5)
European Online Journal of Natural and Social Sciences     Open Access   (Followers: 4)
European Scientific Journal     Open Access   (Followers: 11)
Evidência - Ciência e Biotecnologia - Interdisciplinar     Open Access  
Exchanges : the Warwick Research Journal     Open Access   (Followers: 1)
Experimental Results     Open Access   (Followers: 2)
Fides et Ratio : Revista de Difusión Cultural y Científica     Open Access  
Fontanus     Open Access   (Followers: 1)
Forensic Science Policy & Management: An International Journal     Hybrid Journal   (Followers: 265)
Frontiers in Climate     Open Access   (Followers: 5)
Frontiers in Science     Open Access   (Followers: 1)
Fundamental Research     Open Access  
Futures & Foresight Science     Hybrid Journal   (Followers: 1)
Gaudium Sciendi     Open Access  
Ghana Studies     Full-text available via subscription   (Followers: 15)
Global Journal of Pure and Applied Sciences     Full-text available via subscription  
Globe, The     Full-text available via subscription   (Followers: 4)
HardwareX     Open Access  
Heidelberger Jahrbücher Online     Open Access  
Heliyon     Open Access   (Followers: 1)
History of Science and Technology     Open Access   (Followers: 5)
Hoosier Science Teacher     Open Access  
Indian Journal of History of Science     Hybrid Journal   (Followers: 3)
Instruments     Open Access  
Interciencia     Open Access  
International Annals of Science     Open Access  
International Journal of Advanced Multidisciplinary Research and Review     Open Access  
International Journal of Applied Science     Open Access  
International Journal of Engineering, Science and Technology     Open Access  
International Journal of Network Science     Hybrid Journal   (Followers: 3)
International Journal of Social Sciences and Management     Open Access   (Followers: 3)
International Journal of Technology Policy and Law     Hybrid Journal   (Followers: 10)
International Science and Technology Journal of Namibia     Open Access   (Followers: 2)
International Scientific and Vocational Studies Journal     Open Access  
Investiga : TEC     Open Access  
Investigación Joven     Open Access  
Investigacion y Ciencia     Open Access   (Followers: 1)
Iranian Journal of Science and Technology, Transactions A : Science     Hybrid Journal  
iScience     Open Access   (Followers: 2)
Issues in Science & Technology     Free   (Followers: 9)
Ithaca : Viaggio nella Scienza     Open Access  
J : Multidisciplinary Scientific Journal     Open Access  
Jaunujų mokslininkų darbai     Open Access   (Followers: 3)
Journal de la Recherche Scientifique de l'Universite de Lome     Full-text available via subscription  
Journal of Chromatography & Separation Techniques     Open Access   (Followers: 9)
Journal of Advanced Research     Open Access   (Followers: 2)
Journal of Analytical Science & Technology     Open Access   (Followers: 5)
Journal of Applied Science and Technology     Full-text available via subscription   (Followers: 1)
Journal of Applied Sciences and Environmental Management     Open Access   (Followers: 1)
Journal of Big History     Open Access   (Followers: 4)
Journal of Composites Science     Open Access   (Followers: 4)
Journal of Diversity Management     Open Access   (Followers: 4)
Journal of Indian Council of Philosophical Research     Hybrid Journal  
Journal of Institute of Science and Technology     Open Access  
Journal of King Saud University - Science     Open Access  
Journal of Mathematical and Fundamental Sciences     Open Access  
Journal of Negative and No Positive Results     Open Access  
Journal of Responsible Technology     Open Access  
Journal of Science and Technology     Open Access   (Followers: 2)
Journal of Science and Technology     Open Access   (Followers: 1)
Journal of Science and Technology (Ghana)     Open Access   (Followers: 3)
Journal of Science and Technology Policy Management     Hybrid Journal   (Followers: 1)
Journal of Science Foundation     Open Access   (Followers: 1)
Journal of Scientific Research and Reports     Open Access   (Followers: 1)
Journal of Shanghai Jiaotong University (Science)     Hybrid Journal  
Journal of Social Science Research     Open Access   (Followers: 2)
Journal of Taibah University for Science     Open Access  
Journal of the Ghana Science Association     Full-text available via subscription   (Followers: 3)
Journal of the History of Ideas     Full-text available via subscription   (Followers: 175)
Journal of the Indian Institute of Science     Hybrid Journal   (Followers: 4)
Journal of the Royal Society of New Zealand     Hybrid Journal   (Followers: 49)
Journal of the South Carolina Academy of Science     Open Access  
Journal of Unsolved Questions     Open Access  
Jurnal Sains Dasar     Open Access  
Jurnal Teknosains     Open Access  
Karaelmas Science and Engineering Journal     Open Access  
Karbala International Journal of Modern Science     Open Access  
Kennedy Institute of Ethics Journal     Full-text available via subscription   (Followers: 10)
Logo STI Science, Technology and Innovation     Open Access   (Followers: 14)
Malawi Journal of Science and Technology     Open Access   (Followers: 6)
Maskana     Open Access  
MethodsX     Open Access  
Mètode Science Studies Journal : Annual Review     Open Access  
Modern Applied Science     Open Access   (Followers: 1)
Momona Ethiopian Journal of Science     Open Access   (Followers: 5)
National Academy Science Letters     Hybrid Journal   (Followers: 3)
National Science Review     Hybrid Journal   (Followers: 1)
Natural Sciences     Open Access  
Natural Sciences Education     Hybrid Journal   (Followers: 1)
Naturen     Full-text available via subscription  
Nepal Journal of Science and Technology     Open Access  
Network Science     Hybrid Journal   (Followers: 4)
Nordic Journal of Science and Technology     Open Access   (Followers: 2)
Nordic Studies in Science Education     Open Access   (Followers: 4)
Nova     Open Access  
Open Conference Proceedings Journal     Open Access  
Open Journal of Applied Sciences     Open Access  
Orbis Cógnita : Revista Científica     Open Access   (Followers: 2)
Patterns     Open Access   (Followers: 9)
People and Nature     Open Access   (Followers: 4)
Población y Desarrollo - Argonautas y caminantes     Open Access  
Politique et Sociétés     Full-text available via subscription   (Followers: 1)
Portal de la Ciencia     Open Access  
Proceedings of the Indian National Science Academy     Full-text available via subscription   (Followers: 5)
Proceedings of the Linnean Society of New South Wales     Full-text available via subscription   (Followers: 2)
Proceedings of the Royal Society of Queensland, The     Full-text available via subscription  
QScience Connect     Open Access  
Quantum Science and Technology     Hybrid Journal   (Followers: 15)
Rafidain Journal of Science     Open Access  
Rehabilitation Research, Policy, and Education     Hybrid Journal   (Followers: 2)
Reportes Científicos de la FaCEN     Open Access  
Reports in Advances of Physical Sciences     Open Access  
Research Ideas and Outcomes     Open Access  
Research Integrity and Peer Review     Open Access   (Followers: 1)
Research Policy : X     Open Access   (Followers: 3)
Respuestas     Open Access  
Revista Bases de la Ciencia     Open Access  
Revista Cientifica Guillermo de Ockham     Open Access  
Revista Conhecimento Online     Open Access  
Revista Crítica de Ciências Sociais     Open Access  
Revista de Ciencia y Tecnología     Open Access  
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales     Open Access  
Revista de la Universidad del Zulia     Open Access  
Revista Politécnica     Open Access  
Revista Tecnológica     Open Access  
Revista UniVap     Open Access  
SAINSTIS     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Sci     Open Access  
Science     Full-text available via subscription   (Followers: 5190)
Science & Diplomacy     Free   (Followers: 3)
Science Advances     Free   (Followers: 45)
Science and Technology     Open Access   (Followers: 2)
Science Heritage Journal     Open Access  
Science World Journal     Open Access  
Science, Technology and Arts Research Journal     Open Access   (Followers: 1)
ScienceRise     Open Access  
Sciences du jeu     Open Access  

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J : Multidisciplinary Scientific Journal
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2571-8800
Published by MDPI Homepage  [258 journals]
  • J, Vol. 7, Pages 204-217: Challenges and Advancements in All-Solid-State
           Battery Technology for Electric Vehicles

    • Authors: Rajesh Shah, Vikram Mittal, Angelina Mae Precilla
      First page: 204
      Abstract: Recent advances in all-solid-state battery (ASSB) research have significantly addressed key obstacles hindering their widespread adoption in electric vehicles (EVs). This review highlights major innovations, including ultrathin electrolyte membranes, nanomaterials for enhanced conductivity, and novel manufacturing techniques, all contributing to improved ASSB performance, safety, and scalability. These developments effectively tackle the limitations of traditional lithium-ion batteries, such as safety issues, limited energy density, and a reduced cycle life. Noteworthy achievements include freestanding ceramic electrolyte films like the 25 μm thick Li0.34La0.56TiO3 film, which enhance energy density and power output, and solid polymer electrolytes like the polyvinyl nitrile boroxane electrolyte, which offer improved mechanical robustness and electrochemical performance. Hybrid solid electrolytes combine the best properties of inorganic and polymer materials, providing superior ionic conductivity and mechanical flexibility. The scalable production of ultrathin composite polymer electrolytes shows promise for high-performance, cost-effective ASSBs. However, challenges remain in optimizing manufacturing processes, enhancing electrode-electrolyte interfaces, exploring sustainable materials, and standardizing testing protocols. Continued collaboration among academia, industry, and government is essential for driving innovation, accelerating commercialization, and achieving a sustainable energy future, fully realizing the transformative potential of ASSB technology for EVs and beyond.
      Citation: J
      PubDate: 2024-06-27
      DOI: 10.3390/j7030012
      Issue No: Vol. 7, No. 3 (2024)
       
  • J, Vol. 7, Pages 218-235: Enhancing Obscured Regions in Thermal Imaging: A
           Novel GAN-Based Approach for Efficient Occlusion Inpainting

    • Authors: Mohammed Abuhussein, Iyad Almadani, Aaron L. Robinson, Mohammed Younis
      First page: 218
      Abstract: This research paper presents a novel approach for occlusion inpainting in thermal images to efficiently segment and enhance obscured regions within these images. The increasing reliance on thermal imaging in fields like surveillance, security, and defense necessitates the accurate detection of obscurants such as smoke and fog. Traditional methods often struggle with these complexities, leading to the need for more advanced solutions. Our proposed methodology uses a Generative Adversarial Network (GAN) to fill occluded areas in thermal images. This process begins with an obscured region segmentation, followed by a GAN-based pixel replacement in these areas. The methodology encompasses building, training, evaluating, and optimizing the model to ensure swift real-time performance. One of the key challenges in thermal imaging is identifying effective strategies to mitigate critical information loss due to atmospheric interference. Our approach addresses this by employing sophisticated deep-learning techniques. These techniques segment, classify and inpaint these obscured regions in a patch-wise manner, allowing for more precise and accurate image restoration. We propose utilizing architectures similar to Pix2Pix and UNet networks for generative and segmentation tasks. These networks are known for their effectiveness in image-to-image translation and segmentation tasks. Our method enhances the segmentation and inpainting process by leveraging their architectural similarities. To validate our approach, we provide a quantitative analysis and performance comparison. We include a quantitative comparison between (Pix2Pix and UNet) and our combined architecture. The comparison focuses on how well each model performs in terms of accuracy and speed, highlighting the advantages of our integrated approach. This research contributes to advancing thermal imaging techniques, offering a more robust solution for dealing with obscured regions. The integration of advanced deep learning models holds the potential to significantly improve image analysis in critical applications like surveillance and security.
      Citation: J
      PubDate: 2024-06-27
      DOI: 10.3390/j7030013
      Issue No: Vol. 7, No. 3 (2024)
       
  • J, Vol. 7, Pages 236-263: Human–Robot Co-Facilitation in
           Collaborative Learning: A Comparative Study of the Effects of Human and
           Robot Facilitation on Learning Experience and Learning Outcomes

    • Authors: Ilona Buchem, Stefano Sostak, Lewe Christiansen
      First page: 236
      Abstract: Collaborative learning has been widely studied in higher education and beyond, suggesting that collaboration in small groups can be effective for promoting deeper learning, enhancing engagement and motivation, and improving a range of cognitive and social outcomes. The study presented in this paper compared different forms of human and robot facilitation in the game of planning poker, designed as a collaborative activity in the undergraduate course on agile project management. Planning poker is a consensus-based game for relative estimation in teams. Team members collaboratively estimate effort for a set of project tasks. In our study, student teams played the game of planning poker to estimate the effort required for project tasks by comparing task effort relative to one another. In this within- and between-subjects study, forty-nine students in eight teams participated in two out of four conditions. The four conditions differed in respect to the form of human and/or robot facilitation. Teams 1–4 participated in conditions C1 human online and C3 unsupervised robot, while teams 5–8 participated in conditions C2 human face to face and C4 supervised robot co-facilitation. While planning poker was facilitated by a human teacher in conditions C1 and C2, the NAO robot facilitated the game-play in conditions C3 and C4. In C4, the robot facilitation was supervised by a human teacher. The study compared these four forms of facilitation and explored the effects of the type of facilitation on the facilitator’s competence (FC), learning experience (LX), and learning outcomes (LO). The results based on the data from an online survey indicated a number of significant differences across conditions. While the facilitator’s competence and learning outcomes were rated higher in human (C1, C2) compared to robot (C3, C4) conditions, participants in the supervised robot condition (C4) experienced higher levels of focus, motivation, and relevance and a greater sense of control and sense of success, and rated their cognitive learning outcomes and the willingness to apply what was learned higher than in other conditions. These results indicate that human supervision during robot-led facilitation in collaborative learning (e.g., providing hints and situational information on demand) can be beneficial for learning experience and outcomes as it allows synergies to be created between human expertise and flexibility and the consistency of the robotic assistance.
      Citation: J
      PubDate: 2024-07-14
      DOI: 10.3390/j7030014
      Issue No: Vol. 7, No. 3 (2024)
       
  • J, Vol. 7, Pages 264-280: Lack of Neuromuscular Fatigue Due to
           Recreational Doubles Pickleball

    • Authors: Eric Martin, Matthew Ritchey, Steven Kim, Margaret Falknor, George Beckham
      First page: 264
      Abstract: Background: The lack of knowledge about physical responses to pickleball creates a clear gap about performance in this sport. The purpose of this study was to investigate neuromuscular fatigue caused by playing doubles pickleball. Methods: Recreational pickleball players (n = 32, mean age = 60.0 years) were recruited to perform sets of four countermovement jumps (CMJs) on a force plate before and after doubles pickleball matches. Results: For players who had not played a match prior to testing, there was a significant learning effect across trials within the baseline set of jumps for five outcomes from the CMJ test, including propulsive peak force (p = 0.005); however, there was no significant learning effect for jump height. There were significant improvements in the large effect size for all except one dependent variable (propulsive phase time) between the first and second set of jumps (i.e., after one match). Neither further increases nor decreases were seen after the second set of jumps. Conclusions: Participants saw significant increases in CMJ performance across trials after one pickleball match, indicating learning and potentiation effects. After three matches of doubles pickleball, no fatigue effect was detected.
      Citation: J
      PubDate: 2024-07-31
      DOI: 10.3390/j7030015
      Issue No: Vol. 7, No. 3 (2024)
       
  • J, Vol. 7, Pages 281-301: Current Review: Alginate in the Food
           Applications

    • Authors: Shirin Kazemzadeh Pournaki, Ricardo Santos Aleman, Mehrdad Hasani-Azhdari, Jhunior Marcia, Ajitesh Yadav, Marvin Moncada
      First page: 281
      Abstract: Due to global development and increased public awareness of food’s effects on health, demands for innovative and healthy products have risen. Biodegradable and environmentally friendly polymer usage in modern food products is a promising approach to reduce the negative health and environmental effects of synthetic chemicals. Also, desirable features such as flavor, texture, shelf-life, storage condition, water holding capacity, a decrease in water activity, and an oil absorption of fried food have been improved by many polysaccharides. One of the important polymers, which is applied in the food industry, is alginate. Alginates are a safe and widely used compound in various industries, especially the food industry, which has led to innovative methods for for the improvement of this industry. Currently, different applications of alginate in stable emulsions and nano-capsules in food applications are due to the crosslinking properties of alginate with divalent cations, such as calcium ions, which have been studied recently. The main aim of this review is to take a closer look at alginate properties and applications in the food industry.
      Citation: J
      PubDate: 2024-08-05
      DOI: 10.3390/j7030016
      Issue No: Vol. 7, No. 3 (2024)
       
  • J, Vol. 7, Pages 116-126: Genome Doubling of Northern Spicebush, Lindera
           benzoin L.

    • Authors: Ramsey F. Arram, Thomas B. Morgan, John T. Nix, Yu-Lin Kao, Hsuan Chen
      First page: 116
      Abstract: Lindera benzoin is a dioecious understory shrub native to eastern North America. Northern spicebush is a beautiful shrub with a natural round shrub shape, golden-yellow fall foliage, attractive bright red drupes, and precocious yellow flowers in early spring; however, its market value as an ornamental value has been overlooked. To improve the ornamental values of this under-cultivated nursery crop, breeding for a better compact form, larger leaves, enlarged flower clusters and fruit, and increased stress tolerances could all be beneficial. Polyploidy manipulation is a valuable method to improve such traits for many ornamental plants. This study established the genome doubling method by oryzalin-infused solid agar treatment on young northern spicebush seedlings. The seedlings of two wild populations in North Carolina were collected and used. A total of 288 seedlings were treated with solid agar containing 150 µM oryzalin for 24, 72, and 120 h. The results were sporadic in their survival ratios and tetraploid conversion ratios between different treatments; however, a total of 16 tetraploid L. benzoin plants were produced in this study. The 24-h treatment showed the optimal result, with 7.1% of total treated seedlings or 15.2% of surviving seedlings converted into tetraploids. Tetraploid plants had visible differences in leaf morphology, a statistically significant enlarged stomata size, and reduced stomatal density compared to diploid plants. This research provides ploidy manipulation information for all future breeding processes of L. benzoin and related species.
      Citation: J
      PubDate: 2024-03-22
      DOI: 10.3390/j7020007
      Issue No: Vol. 7, No. 2 (2024)
       
  • J, Vol. 7, Pages 127-152: Dependence on Tail Copula

    • Authors: Paramahansa Pramanik
      First page: 127
      Abstract: In real-world scenarios, we encounter non-exchangeable dependence structures. Our primary focus is on identifying and quantifying non-exchangeability in the tails of joint distributions. The findings and methodologies presented in this study are particularly valuable for modeling bivariate dependence, especially in fields where understanding dependence patterns in the tails is crucial, such as quantitative finance, quantitative risk management, and econometrics. To grasp the intricate relationship between the strength of dependence and various types of margins, we explore three fundamental tail behavior patterns for univariate margins. Capitalizing on the probabilistic features of tail non-exchangeability structures, we introduce graphical techniques and statistical tests designed for analyzing data that may manifest non-exchangeability in the joint tail. The effectiveness of the proposed approaches is illustrated through a simulation study and a practical example.
      Citation: J
      PubDate: 2024-04-03
      DOI: 10.3390/j7020008
      Issue No: Vol. 7, No. 2 (2024)
       
  • J, Vol. 7, Pages 153-168: Electrothermal Instabilities in
           Barium-Titanate-Based Ceramics

    • Authors: Rizos N. Krikkis
      First page: 153
      Abstract: An electrothermal analysis for barium-titanate-based ceramics is presented, combining the Heywang–Jonker model for the electric resistivity with a heat dissipation mechanism based on natural convection and radiation in a one-dimensional model on the device level with voltage as the control parameter. Both positive-temperature-coefficient (PTC) and negative temperature coefficient (NTC) effects are accounted for through the double Schottky barriers at the grain boundaries of the material. The problem formulated in this way admits uniform and non-uniform multiple-steady-state solutions that do not depend on the external circuit. The numerical bifurcation analysis reveals that the PTC effect gives rise to several multiplicites above the Curie point, whereas the NTC effect is responsible for the thermal runaway (temperature blowup). The thermal runaway phenomenon as a potential thermal shock could be among the possible reasons for the observed thermomechanical failures (delamination fracture). The theoretical results for the NTC regime and the thermal runaway are in agreement with the experimental flash sintering results obtained for barium titanate, and 3% and 8% yttria-stabilized zirconia.
      Citation: J
      PubDate: 2024-04-26
      DOI: 10.3390/j7020009
      Issue No: Vol. 7, No. 2 (2024)
       
  • J, Vol. 7, Pages 169-182: Synergisms between Surfactants, Polymers, and
           Alcohols to Improve the Foamability of Mixed Systems

    • Authors: Luís Alves, Solange Magalhães, Cátia Esteves, Marco Sebastião, Filipe Antunes
      First page: 169
      Abstract: In order to produce detergents with improved performance and good market acceptability, it is crucial to develop formulations with improved foamability and cleaning performance. The use of a delicate balance of surfactants and additives is an appealing strategy to obtain good results and enables a reduction in the amount of chemicals used in formulations. Mixtures of hydrophobically modified linear polymers and surfactants, as well as balanced mixtures with co-surfactants and/or hydrotropes, are the most effective parameters to control foamability and foam stability. In the present study, the effect of the addition of hydrophobically modified linear polymers, nonionic co-surfactants and hydrotropes, and their mixtures to anionic and zwitterionic surfactant aqueous solutions was evaluated. It was found that the presence of the hydrophobically modified polymer (HM-P) prevented the bubbles from bursting, resulting in better stability of the foam formed using zwitterionic surfactant solutions. Also, the surfactant packing was inferred to be relevant to obtaining foamability. Mixtures of surfactants, in the presence of a co-surfactant or hydrotrope led, tendentially, to an increase in the critical packing parameter (CPP), resulting in higher foam volumes and lower surface tension for most of the studied systems. Additionally, it was observed that the good cleaning efficiency of the developed surfactant formulations obtained a higher level of fat solubilization compared to a widely used brand of commercial dishwashing detergent.
      Citation: J
      PubDate: 2024-05-10
      DOI: 10.3390/j7020010
      Issue No: Vol. 7, No. 2 (2024)
       
  • J, Vol. 7, Pages 183-203: A Comprehensive Approach to Quantitative Risk
           Assessment of Rockfalls on Buildings Using 3D Model of Rockfall Runout

    • Authors: Mohammad Al-Shaar, Pierre-Charles Gerard, Ghaleb Faour, Walid Al-Shaar, Jocelyne Adjizian-Gérard
      First page: 183
      Abstract: Rockfalls are incidents of nature that take place when rocks or boulders break from a steep slope and fall to the ground. They can pose considerable threats to buildings placed in high-risk zones. Despite the fact that the impact of a rockfall on a building can cause structural and non-structural damage, few studies have been undertaken to investigate the danger associated with this event. Most of these studies indicated that the risk resulting from rockfall hazards is hard to forecast and assess. A comprehensive quantitative risk assessment approach for rockfalls on buildings is developed and described in this paper and applied for the Mtein village in Mount Lebanon. This method employs a 3D model to simulate the rockfall trajectories using a combination of digital elevation data, field surveys, and orthorectified aerial photographs. The spatial and temporal probability of rockfalls were evaluated using the analysis of historical data in two triggering-factor scenarios: earthquake and precipitation. The findings show that, during the period of 1472 years between the years 551 (the first observed large earthquake in Lebanon) and the current year of the study (2023), the temporal probability will potentially be equal to 0.002 and 0.105 in the cases of earthquake- and rainfall-triggered rockfalls, respectively, while the maximal damage values are expected to be 232 USD and 10,511 USD per year, respectively. The end result is a final map presenting the risk values assigned to each building that could be damaged by rockfalls.
      Citation: J
      PubDate: 2024-05-30
      DOI: 10.3390/j7020011
      Issue No: Vol. 7, No. 2 (2024)
       
  • J, Vol. 7, Pages 19-47: Blockchain in Smart Grids: A Bibliometric Analysis
           and Scientific Mapping Study

    • Authors: Georgios Lampropoulos
      First page: 19
      Abstract: To achieve sustainability and fulfill sustainable development goals, the digitalization of the power sector is vital. This study aims to examine how blockchain can be integrated into and enrich smart grids. In total, 10 research questions are explored. Scopus and Web of Science (WoS) were used to identify documents related to the topic. The study involves the analysis of 1041 scientific documents over the period 2015–2022. The related studies are analyzed from different dimensions including descriptive statistics, identification of the most common keywords and most widely used outlets, examination of the annual scientific production, the analysis of the most impactful and productive authors, countries, and affiliations. The advancement of the research focus and the most popular topics are also examined. Additionally, the results are analyzed, the main findings are discussed, open issues and challenges are presented, and suggestions for new research directions are provided. Based on the results, it was evident that blockchain plays a vital role in securing smart grids and realizing power sector digitalization, as well as in achieving sustainability and successfully meeting sustainable development goals.
      Citation: J
      PubDate: 2024-01-06
      DOI: 10.3390/j7010002
      Issue No: Vol. 7, No. 1 (2024)
       
  • J, Vol. 7, Pages 48-71: An Advanced Deep Learning Framework for
           Multi-Class Diagnosis from Chest X-ray Images

    • Authors: Maria Vasiliki Sanida, Theodora Sanida, Argyrios Sideris, Minas Dasygenis
      First page: 48
      Abstract: Chest X-ray imaging plays a vital and indispensable role in the diagnosis of lungs, enabling healthcare professionals to swiftly and accurately identify lung abnormalities. Deep learning (DL) approaches have attained popularity in recent years and have shown promising results in automated medical image analysis, particularly in the field of chest radiology. This paper presents a novel DL framework specifically designed for the multi-class diagnosis of lung diseases, including fibrosis, opacity, tuberculosis, normal, viral pneumonia, and COVID-19 pneumonia, using chest X-ray images, aiming to address the need for efficient and accessible diagnostic tools. The framework employs a convolutional neural network (CNN) architecture with custom blocks to enhance the feature maps designed to learn discriminative features from chest X-ray images. The proposed DL framework is evaluated on a large-scale dataset, demonstrating superior performance in the multi-class diagnosis of the lung. In order to evaluate the effectiveness of the presented approach, thorough experiments are conducted against pre-existing state-of-the-art methods, revealing significant accuracy, sensitivity, and specificity improvements. The findings of the study showcased remarkable accuracy, achieving 98.88%. The performance metrics for precision, recall, F1-score, and Area Under the Curve (AUC) averaged 0.9870, 0.9904, 0.9887, and 0.9939 across the six-class categorization system. This research contributes to the field of medical imaging and provides a foundation for future advancements in DL-based diagnostic systems for lung diseases.
      Citation: J
      PubDate: 2024-01-22
      DOI: 10.3390/j7010003
      Issue No: Vol. 7, No. 1 (2024)
       
  • J, Vol. 7, Pages 72-93: Aerodynamic Modification of High-Rise Buildings by
           the Adjoint Method

    • Authors: Amirfarhang Nikkhoo, Ali Esmaeili, Shayan Rabizade, Majid Zamiri
      First page: 72
      Abstract: This study presents a novel numerical methodology that is designed for the dynamic adjustment of three-dimensional high-rise building configurations in response to aerodynamic forces. The approach combines two core components: a numerical simulation of fluid flow and the adjoint method. Through a comprehensive sensitivity analysis, the influence of individual variables on aerodynamic loads, including lift and drag coefficients, is assessed. The findings underscore that the architectural design, specifically the building’s construction pattern, exerts the most substantial impact on these forces, accounting for a substantial proportion (76%). Consequently, the study extends its evaluation to the sensitivity of fluid flow across various sections of the tower by solving the adjoint equation throughout the entire fluid domain. As a result, the derived sensitivity vector indicates a remarkable reduction of approximately 31% in the applied loads on the tower. This notable improvement has significant implications for the construction of tall buildings, as it effectively mitigates aerodynamic forces, ultimately enhancing the overall comfort and structural stability of these architectural marvels.
      Citation: J
      PubDate: 2024-02-05
      DOI: 10.3390/j7010004
      Issue No: Vol. 7, No. 1 (2024)
       
  • J, Vol. 7, Pages 94-102: Medial Patellofemoral Ligament and Lateral
           Patellofemoral Ligament Reconstruction after Tibial Tuberosity
           Transposition in a Young Woman with Patellar Instability

    • Authors: Jakob Merkač, Mateja Sirše
      First page: 94
      Abstract: In patients with reccurent lateral and medial patellar instability, isolated medial patellofemoral ligament (MPFL) reconstruction may be insufficient due to poor lateral retinacular tissue quality. In this report, we describe a case of a patient that underwent simultaneous MPFL and lateral patellofemoral ligament (LPFL) reconstruction on the left knee due to chronic bidirectional patellar instability. A 29-year-old female patient presented with first-time lateral patellar dislocation five years ago due to acute strain. She underwent a tibial tuberosity transposition in another hospital. After the surgery, she suffered from recurrent medial and lateral patellar dislocation and presented to our center. MPFL and concomitant LPFL reconstruction on the left knee was simultaneously performed due to bilateral patellar dislocation. The patella was stable postoperatively, and the patient underwent physiotherapy with successful results to date. Single-time patellar dislocation should be treated conservatively. Surgical treatment after the first episode of dislocation can magnitude the risk of postoperative complications. The simultaneous reconstructing of the LPFL yields patellar fixation indistinguishable from the native LPFL. These grafts provide separate tensioning depending on body anatomy, allowing for individualized stability. Anatomical MPFL reconstruction is supported by well-established high-quality research. Reconstructing the LPFL anatomically yields patellar fixation indistinguishable from the native LPFL.
      Citation: J
      PubDate: 2024-02-24
      DOI: 10.3390/j7010005
      Issue No: Vol. 7, No. 1 (2024)
       
  • J, Vol. 7, Pages 103-115: Self-Defense Mechanism in Rice to Salinity:
           Proline

    • Authors: Yunus Emre Koc, Murat Aycan, Toshiaki Mitsui
      First page: 103
      Abstract: The increasing global population and climate change threaten food security, with the need for sustenance expected to rise by 85% by 2050. Rice, a crucial staple food for over 50% of the global population, is a major source of calories in underdeveloped and developing countries. However, by the end of the century, over 30% of rice fields will become saline due to soil salinity caused by earthquakes, tsunamis, and rising sea levels. Plants have developed strategies to deal with salt stress, such as ion homeostasis, antioxidant defense mechanisms, and morphological adaptations. Proline, an endogenous osmolyte, is the predominant endogenous osmolyte that accumulates in response to salinity, and its overexpression in rice plants has been observed to increase plant salinity tolerance. Exogenously applied proline has been shown to improve plant salt tolerance by reducing the destructive effect of salinity. Recent research has focused on ionic toxicity, nitrogen fixation, and gene expression related to salt tolerance. Exogenous proline has been shown to improve water potential and leaf content, restoring water usage efficiency. It can also ease growth inhibition in salt-sensitive plants. Exogenously applied proline increases antioxidant activities and enhances plant salinity tolerance. This review examines the role and processes of proline in rice plants under salt stress and its relationship with other tolerance mechanisms.
      Citation: J
      PubDate: 2024-03-11
      DOI: 10.3390/j7010006
      Issue No: Vol. 7, No. 1 (2024)
       
 
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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
Showing 1 - 200 of 265 Journals sorted alphabetically
Accountability in Research: Policies and Quality Assurance     Hybrid Journal   (Followers: 19)
Acta Nova     Open Access   (Followers: 2)
Acta Scientifica Malaysia     Open Access   (Followers: 1)
Acta Scientifica Naturalis     Open Access   (Followers: 4)
Adıyaman University Journal of Science     Open Access  
Advanced Science     Open Access   (Followers: 16)
Advanced Science, Engineering and Medicine     Partially Free   (Followers: 8)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 4)
Advances in Research     Open Access  
Advances in Science and Technology     Full-text available via subscription   (Followers: 18)
African Journal of Science, Technology, Innovation and Development     Hybrid Journal   (Followers: 8)
Afrique Science : Revue Internationale des Sciences et Technologie     Open Access   (Followers: 1)
AFRREV STECH : An International Journal of Science and Technology     Open Access   (Followers: 3)
Alfarama Journal of Basic & Applied Sciences     Open Access   (Followers: 12)
American Academic & Scholarly Research Journal     Open Access   (Followers: 4)
American Journal of Applied Sciences     Open Access   (Followers: 22)
American Journal of Humanities and Social Sciences     Open Access   (Followers: 14)
Anales del Instituto de la Patagonia     Open Access  
Applied Mathematics and Nonlinear Sciences     Open Access   (Followers: 2)
Arab Journal of Basic and Applied Sciences     Open Access  
Arabian Journal for Science and Engineering     Hybrid Journal   (Followers: 1)
Archives Internationales d'Histoire des Sciences     Partially Free   (Followers: 5)
Archives of Current Research International     Open Access  
ARPHA Conference Abstracts     Open Access   (Followers: 1)
ARPHA Proceedings     Open Access  
Asian Journal of Advanced Research and Reports     Open Access  
Asian Journal of Scientific Research     Open Access   (Followers: 2)
Asian Journal of Technology Innovation     Hybrid Journal   (Followers: 5)
Australian Field Ornithology     Full-text available via subscription   (Followers: 1)
Australian Journal of Social Issues     Hybrid Journal   (Followers: 6)
Bangladesh Journal of Scientific Research     Open Access  
Beni-Suef University Journal of Basic and Applied Sciences     Open Access   (Followers: 1)
Berichte Zur Wissenschaftsgeschichte     Hybrid Journal   (Followers: 11)
Bilge International Journal of Science and Technology Research     Open Access  
Bioethics Research Notes     Full-text available via subscription   (Followers: 15)
BJHS Themes     Open Access   (Followers: 1)
Bulletin de la Société Royale des Sciences de Liège     Open Access  
Bulletin of the National Research Centre     Open Access  
Chain Reaction     Full-text available via subscription  
Ciencia Amazónica (Iquitos)     Open Access  
Ciencia en su PC     Open Access   (Followers: 1)
Ciencia Ergo Sum     Open Access  
Ciência ET Praxis     Open Access  
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Comunicata Scientiae     Open Access  
Conference Papers in Science     Open Access  
Configurations     Full-text available via subscription   (Followers: 11)
COSMOS     Hybrid Journal   (Followers: 1)
Crea Ciencia Revista Científica     Open Access  
Current Issues in Criminal Justice     Hybrid Journal   (Followers: 14)
Current Research in Geoscience     Open Access   (Followers: 6)
Data     Open Access   (Followers: 4)
Dhaka University Journal of Science     Open Access  
Discover Sustainability     Open Access   (Followers: 5)
Einstein (São Paulo)     Open Access  
Ekaia : EHUko Zientzia eta Teknologia aldizkaria     Open Access  
Emergent Scientist     Open Access  
Enhancing Learning in the Social Sciences     Open Access   (Followers: 7)
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Entramado     Open Access  
Entre Ciencia e Ingeniería     Open Access  
Epiphany     Open Access   (Followers: 1)
Ethiopian Journal of Education and Sciences     Open Access   (Followers: 5)
European Online Journal of Natural and Social Sciences     Open Access   (Followers: 4)
European Scientific Journal     Open Access   (Followers: 11)
Evidência - Ciência e Biotecnologia - Interdisciplinar     Open Access  
Exchanges : the Warwick Research Journal     Open Access   (Followers: 1)
Experimental Results     Open Access   (Followers: 2)
Fides et Ratio : Revista de Difusión Cultural y Científica     Open Access  
Fontanus     Open Access   (Followers: 1)
Forensic Science Policy & Management: An International Journal     Hybrid Journal   (Followers: 265)
Frontiers in Climate     Open Access   (Followers: 5)
Frontiers in Science     Open Access   (Followers: 1)
Fundamental Research     Open Access  
Futures & Foresight Science     Hybrid Journal   (Followers: 1)
Gaudium Sciendi     Open Access  
Ghana Studies     Full-text available via subscription   (Followers: 15)
Global Journal of Pure and Applied Sciences     Full-text available via subscription  
Globe, The     Full-text available via subscription   (Followers: 4)
HardwareX     Open Access  
Heidelberger Jahrbücher Online     Open Access  
Heliyon     Open Access   (Followers: 1)
History of Science and Technology     Open Access   (Followers: 5)
Hoosier Science Teacher     Open Access  
Indian Journal of History of Science     Hybrid Journal   (Followers: 3)
Instruments     Open Access  
Interciencia     Open Access  
International Annals of Science     Open Access  
International Journal of Advanced Multidisciplinary Research and Review     Open Access  
International Journal of Applied Science     Open Access  
International Journal of Engineering, Science and Technology     Open Access  
International Journal of Network Science     Hybrid Journal   (Followers: 3)
International Journal of Social Sciences and Management     Open Access   (Followers: 3)
International Journal of Technology Policy and Law     Hybrid Journal   (Followers: 10)
International Science and Technology Journal of Namibia     Open Access   (Followers: 2)
International Scientific and Vocational Studies Journal     Open Access  
Investiga : TEC     Open Access  
Investigación Joven     Open Access  
Investigacion y Ciencia     Open Access   (Followers: 1)
Iranian Journal of Science and Technology, Transactions A : Science     Hybrid Journal  
iScience     Open Access   (Followers: 2)
Issues in Science & Technology     Free   (Followers: 9)
Ithaca : Viaggio nella Scienza     Open Access  
J : Multidisciplinary Scientific Journal     Open Access  
Jaunujų mokslininkų darbai     Open Access   (Followers: 3)
Journal de la Recherche Scientifique de l'Universite de Lome     Full-text available via subscription  
Journal of Chromatography & Separation Techniques     Open Access   (Followers: 9)
Journal of Advanced Research     Open Access   (Followers: 2)
Journal of Analytical Science & Technology     Open Access   (Followers: 5)
Journal of Applied Science and Technology     Full-text available via subscription   (Followers: 1)
Journal of Applied Sciences and Environmental Management     Open Access   (Followers: 1)
Journal of Big History     Open Access   (Followers: 4)
Journal of Composites Science     Open Access   (Followers: 4)
Journal of Diversity Management     Open Access   (Followers: 4)
Journal of Indian Council of Philosophical Research     Hybrid Journal  
Journal of Institute of Science and Technology     Open Access  
Journal of King Saud University - Science     Open Access  
Journal of Mathematical and Fundamental Sciences     Open Access  
Journal of Negative and No Positive Results     Open Access  
Journal of Responsible Technology     Open Access  
Journal of Science and Technology     Open Access   (Followers: 2)
Journal of Science and Technology     Open Access   (Followers: 1)
Journal of Science and Technology (Ghana)     Open Access   (Followers: 3)
Journal of Science and Technology Policy Management     Hybrid Journal   (Followers: 1)
Journal of Science Foundation     Open Access   (Followers: 1)
Journal of Scientific Research and Reports     Open Access   (Followers: 1)
Journal of Shanghai Jiaotong University (Science)     Hybrid Journal  
Journal of Social Science Research     Open Access   (Followers: 2)
Journal of Taibah University for Science     Open Access  
Journal of the Ghana Science Association     Full-text available via subscription   (Followers: 3)
Journal of the History of Ideas     Full-text available via subscription   (Followers: 175)
Journal of the Indian Institute of Science     Hybrid Journal   (Followers: 4)
Journal of the Royal Society of New Zealand     Hybrid Journal   (Followers: 49)
Journal of the South Carolina Academy of Science     Open Access  
Journal of Unsolved Questions     Open Access  
Jurnal Sains Dasar     Open Access  
Jurnal Teknosains     Open Access  
Karaelmas Science and Engineering Journal     Open Access  
Karbala International Journal of Modern Science     Open Access  
Kennedy Institute of Ethics Journal     Full-text available via subscription   (Followers: 10)
Logo STI Science, Technology and Innovation     Open Access   (Followers: 14)
Malawi Journal of Science and Technology     Open Access   (Followers: 6)
Maskana     Open Access  
MethodsX     Open Access  
Mètode Science Studies Journal : Annual Review     Open Access  
Modern Applied Science     Open Access   (Followers: 1)
Momona Ethiopian Journal of Science     Open Access   (Followers: 5)
National Academy Science Letters     Hybrid Journal   (Followers: 3)
National Science Review     Hybrid Journal   (Followers: 1)
Natural Sciences     Open Access  
Natural Sciences Education     Hybrid Journal   (Followers: 1)
Naturen     Full-text available via subscription  
Nepal Journal of Science and Technology     Open Access  
Network Science     Hybrid Journal   (Followers: 4)
Nordic Journal of Science and Technology     Open Access   (Followers: 2)
Nordic Studies in Science Education     Open Access   (Followers: 4)
Nova     Open Access  
Open Conference Proceedings Journal     Open Access  
Open Journal of Applied Sciences     Open Access  
Orbis Cógnita : Revista Científica     Open Access   (Followers: 2)
Patterns     Open Access   (Followers: 9)
People and Nature     Open Access   (Followers: 4)
Población y Desarrollo - Argonautas y caminantes     Open Access  
Politique et Sociétés     Full-text available via subscription   (Followers: 1)
Portal de la Ciencia     Open Access  
Proceedings of the Indian National Science Academy     Full-text available via subscription   (Followers: 5)
Proceedings of the Linnean Society of New South Wales     Full-text available via subscription   (Followers: 2)
Proceedings of the Royal Society of Queensland, The     Full-text available via subscription  
QScience Connect     Open Access  
Quantum Science and Technology     Hybrid Journal   (Followers: 15)
Rafidain Journal of Science     Open Access  
Rehabilitation Research, Policy, and Education     Hybrid Journal   (Followers: 2)
Reportes Científicos de la FaCEN     Open Access  
Reports in Advances of Physical Sciences     Open Access  
Research Ideas and Outcomes     Open Access  
Research Integrity and Peer Review     Open Access   (Followers: 1)
Research Policy : X     Open Access   (Followers: 3)
Respuestas     Open Access  
Revista Bases de la Ciencia     Open Access  
Revista Cientifica Guillermo de Ockham     Open Access  
Revista Conhecimento Online     Open Access  
Revista Crítica de Ciências Sociais     Open Access  
Revista de Ciencia y Tecnología     Open Access  
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales     Open Access  
Revista de la Universidad del Zulia     Open Access  
Revista Politécnica     Open Access  
Revista Tecnológica     Open Access  
Revista UniVap     Open Access  
SAINSTIS     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Sci     Open Access  
Science     Full-text available via subscription   (Followers: 5190)
Science & Diplomacy     Free   (Followers: 3)
Science Advances     Free   (Followers: 45)
Science and Technology     Open Access   (Followers: 2)
Science Heritage Journal     Open Access  
Science World Journal     Open Access  
Science, Technology and Arts Research Journal     Open Access   (Followers: 1)
ScienceRise     Open Access  
Sciences du jeu     Open Access  

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