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  • Open Access

    REVIEW

    A Literature Review on Sustainability of Bio-Based and Biodegradable Plastics: Challenges and Opportunities

    Taofeeq D. Moshood, Gusman Nawanir, Fatimah Mahmud*, Fazeeda Mohamad, Mohd Hanafiah Ahmad, Airin AbdulGhani

    Energy Engineering, Vol.119, No.4, pp. 1611-1647, 2022, DOI:10.32604/ee.2022.019028 - 23 May 2022

    Abstract This study examines the literature on bio-based and biodegradable plastics published between 2000 and 2021 and provides insights and research suggestions for the future. The study gathers data from the Scopus and ISI Web of Science databases, then picks 1042 publications objectively and analyses their metadata. Furthermore, 144 papers from the Web of Science are analysed to present insights and classifications of the literature based on content analyses, including assessment/evaluation of the sustainability of bio-based and biodegradable Plastics, sustainability of biodegradable Plastics, and factors driving the uptake of biodegradable plastics. The study finds that most… More >

  • Open Access

    REVIEW

    Opportunities and Challenges of Plant Bioactive Compounds for Food and Agricultural-Related Areas

    Maicon S. N. dos Santos1, João H. C. Wancura2, Carolina E. D. Oro3, Rogério M. Dallago3, Marcus V. Tres1,*

    Phyton-International Journal of Experimental Botany, Vol.91, No.6, pp. 1105-1127, 2022, DOI:10.32604/phyton.2022.020913 - 14 February 2022

    Abstract The growing development of biological products highlights the social and environmental responsibility that several industrial companies are facing in recent years. In this context, the advancement of bioprocessing as an alternative for exploring the potential of ecologically based products, especially in biofuels, food, and agro-industrial business, exposes the rational efficiency of the application of renewable sources in different industrial segments. Industries strongly associated with food production concentrate large amounts of wastes rich in bioactive compounds. A range of highly effective technologies has been highly explored to recover large concentrations of prominent compounds present in these… More >

  • Open Access

    ARTICLE

    Lowest-Opportunities User First-Based Subcarrier Allocation Algorithm for Downlink NOMA Systems

    Mohammed Abd-Elnaby*, Sameer Alsharif, Hesham Alhumyani, Fahad Alraddady

    Intelligent Automation & Soft Computing, Vol.30, No.3, pp. 1033-1048, 2021, DOI:10.32604/iasc.2021.019341 - 20 August 2021

    Abstract Non-orthogonal multiple access (NOMA) is one of the promising 5G technologies to improve spectral efficiency massive connectivity and cell-edge throughput. The performance of NOMA systems mainly depends on the efficiency of the subcarrier allocation algorithm. This paper aims to jointly optimize spectral efficiency (SE), outage probability, and fairness among users with respect to the subcarrier allocation for downlink NOMA systems. We propose a low-complexity greedy-based subcarrier allocation algorithm based on the lowest-opportunities user’s first precept. This precept is based on computing the number of opportunities for each user to select a subcarrier with good channel More >

  • Open Access

    ARTICLE

    NVM Storage in IoT Devices: Opportunities and Challenges

    Yang Liu1, Shan Zhao1,*, Wenhan Chen1, Xuran Ge1, Fang Liu2, Shuo Li3, Nong Xiao1

    Computer Systems Science and Engineering, Vol.38, No.3, pp. 393-409, 2021, DOI:10.32604/csse.2021.017224 - 19 May 2021

    Abstract Edge storage stores the data directly at the data collection point, and does not need to transmit the collected data to the storage central server through the network. It is a critical technology that supports applications such as edge computing and 5G network applications, with lower network communication overhead, lower interaction delay and lower bandwidth cost. However, with the explosion of data and higher real-time requirements, the traditional Internet of Things (IoT) storage architecture cannot meet the requirements of low latency and large capacity. Non-volatile memory (NVM) presents new possibilities regarding this aspect. This paper More >

  • Open Access

    REVIEW

    A Review on the Evaporation Dynamics of Sessile Drops of Binary Mixtures: Challenges and Opportunities

    Pradeep Gurrala1, Saravanan Balusamy1, Sayak Banerjee1, Kirti Chandra Sahu2,*

    FDMP-Fluid Dynamics & Materials Processing, Vol.17, No.2, pp. 253-284, 2021, DOI:10.32604/fdmp.2021.014126 - 02 April 2021

    Abstract The wetting and evaporation dynamics of sessile droplets have gained considerable attention over the last few years due to their relevance to many practical applications, ranging from a variety of industrial problems to several biological systems. Droplets made of binary mixtures typically undergo complex dynamics due to the differential volatility of the considered components and the ensuing presence of thermocapillary effects. For these reasons, many research groups have focused on the evaporation of binary droplets using a variegated set of experimental, numerical, and purely theoretical approaches. Apart from reviewing the state-of-the-art about the existing experimental, More >

  • Open Access

    COMMENTARY

    The paucity of urology undergraduate education in medical schools - global challenges and opportunities

    Grannum R. Sant

    Canadian Journal of Urology, Vol.27, No.4, pp. 10316-10316, 2020

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    Opportunities for training to advance the care for adults with congenital heart disease with advanced circulatory failure

    Christopher R. Broda

    Congenital Heart Disease, Vol.14, No.3, pp. 487-490, 2019, DOI:10.1111/chd.12748

    Abstract Heart failure is an emerging issue with important implications in adult patients with congenital heart disease. Practitioners with expertise in both adult congenital heart disease and heart failure are needed to manage this growing and often complex pop‐ ulation. In the United States, the optimal training pathway to enable practitioners to best care for these patients is ill‐defined. This article explores possibilities and issues that interested trainees may encounter during their training experience. More >

  • Open Access

    ARTICLE

    Percutaneous closure of the patent ductus arteriosus: Opportunities moving forward

    Courtney C. Mitchell1, Brian K. Rivera1, Jennifer N. Cooper 2,4, Charles V. Smith3, Darren P. Berman4,5, Jonathan L. Slaughter1,4, Carl H. Backes1,4,5

    Congenital Heart Disease, Vol.14, No.1, pp. 95-99, 2019, DOI:10.1111/chd.12704

    Abstract The optimal treatment method for infants with a patent ductus arteriosus (PDA) necessitating closure remains a subject of controversy and debate. While the risks associated with surgical PDA ligation are well described, the available evidence base for alternative management strategies during infancy, including percutaneous closure or conservative (nonintervention) management, are not well explored. Among infants, the goals of this review are to: (a) use rigorous systematic review methodology to assess the quality and quantity of published reports on percutaneous closure vs surgical ligation; (b) compare outcomes of percutaneous closure vs conservative management; and (c) based More >

  • Open Access

    ARTICLE

    The Relationship between Opportunities for Professional Development and Counterproductive Work Behaviors: The Mediating Role of Affective Well- Being and Moderating Role of Task-Contingent Conscientiousness

    Zhongze Guo1, Baoguo Xie2,*, Jingru Chen3, Fuxi Wang4

    International Journal of Mental Health Promotion, Vol.21, No.3, pp. 111-122, 2019, DOI:10.32604/IJMHP.2019.011040

    Abstract In extant literature, considerable research has focused on the provoking effect of unfavorable work situations on counterproductive work behaviors (CWB) (i.e., abusive supervision→trigger CWB). Adopting the perspective of positive organizational scholarship and drawing on affective event theory (AET), this study examined the inhibitory effect of perceptions of favorable work situation on counterproductive work behaviors (i.e., uplifts affective events→affective well-being→inhibit CWB). Hierarchical linear modeling was used to test the hypotheses in a sample of 65 middle school teachers in China who completed daily diary method surveys over 15 consecutive working days, and got within-individual observations (level More >

  • Open Access

    ARTICLE

    Systematically Monitoring, Relational Database and Technology Roadmapping for Trends and Innovation Opportunities in Biopolymers

    Selma B. Jaconis1,*, Augusto T. Morita2, Paulo L. A. Coutinho3, Suzana Borschiver1

    Journal of Renewable Materials, Vol.7, No.11, pp. 1221-1230, 2019, DOI:10.32604/jrm.2019.00025 - 14 July 2021

    Abstract In recent years environmental and sustainability concerns have impacted the global chemical industry and instituted a rush to produce products from renewable raw materials. This dynamic, complex and turbulent organizational scenario, around themes touching on the issue of sustainable development model, was created involving a large number of different actors: chemical/petrochemical industries, agroindustry companies, oil/gas companies, brand owners and end users, biotechnology startups, governments, universities and society. This paper proposed the application of a structured and dynamic method of technological prediction for biopolymers in three levels: systematic monitoring process, relational database and the “alive” Technology More >

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