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Unmasking emerging issues in solid waste management: Knowledge and self-reported practices on the discarded disposable masks during the COVID-19 pandemic in the Philippines

ABSTRACT: The COVID-19 global health crisis has resulted in the emergence of a new type of solid waste–inappropriately discarded disposable masks (DMs)–posing serious risks to the public health and to the environment. This study assessed the knowledge-(“K”) and self-reported practices-(“P”) of the general public in DM waste management. A researcher-developed instrument was utilized to gather data with a reliability coefficient index of 0.94. The survey was participated in by 13,116 online users. Pearson r and multiple linear regression were performed to test the relationship between the participants’ demographic characteristics and their K and P. Results revealed that the participants obtained a weighted mean and standard deviation of 1.15±0.10, which shows that 11,597 or 88.41% are knowledgeable on solid waste disposal and management. The self-reported practices of the participants obtained weighted mean and standard deviation rating of 2.16±0.10, which is interpreted as “Always Practiced”. This signifies that the participants adequately practiced the essentials in disposing DMs. Furthermore, there is a significant relationship between K and P with their demographic characteristics on disposing DMs like age, sex, level of education, annual income, and type of residence. The obtained Pearson r=-0.178 (p<.01) indicates that the level of knowledge of the participants is significantly related to the practices they apply in disposing used DMs. As a recommendation, campaigns and interventions on the proper disposal of DMs should be put forward and implemented, utilizing various social media resources and platforms that are conveniently accessible to the general public. Graphical abstract Image, graphical abstract

SUBMITTER: Limon M

PROVIDER: S-EPMC8743242 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:AbstractThe COVID-19 pandemic outbreak has resulted in the massive fabrication of disposable surgical masks. As the accumulation of discarded face masks represents a booming threat to the environment, here we propose a solution to reuse and upcycle surgical masks according to one of the cornerstones of the circular economy. Specifically, the non-woven cellulosic layer of the masks is used as an environmentally sustainable and highly porous solid support for the controlled deposition of catalytically active metal-oxide nanoparticles. The native cellulosic fibers from the surgical masks are decorated by titanium dioxide (TiO2), iron oxide (FexOy), and cobalt oxide (CoOx) nanoparticles following a simple and scalable approach. The abundant surface -OH groups of cellulose enable the controlled deposition of metal-oxide nanoparticles that are photocatalytically active or shown enzyme-mimetic activities. Importantly, the hydrophilic highly porous character of the cellulosic non-woven offers higher accessibility of the pollutant to the catalytically active surfaces and high retention in its interior. As a result, good catalytic activities with long-term stability and reusability are achieved. Additionally, developed free-standing hybrids avoid undesired media contamination effects originating from the release of nanoscale particles. The upcycling of discarded cellulosic materials, such as the ones of masks, into high-added-value catalytic materials, results an efficient approach to lessen the waste´s hazards of plastics while enhancing their functionality. Interestingly, this procedure can be extended to the upcycling of other systems (cellulosic or not), opening the path to greener manufacturing approaches of catalytic materials.Graphical abstractA novel approach to upcycle discarded cellulosic surgical masks is proposed, providing a solution to reduce the undesired accumulation of discarded face masks originating from the COVID-19 pandemic. The non-woven cellulosic layer formed by fibers is used as solid support for the controlled deposition of catalytically active titanium dioxide (TiO2), iron oxide (FexOy), and cobalt oxide (CoOx) nanoparticles. Cellulosic porous materials are proven useful for the photocatalytic decomposition of organic dyes, while their peroxidase-like activity opens the door to advanced applications such as electrochemical sensors. The upcycling of cellulose nonwoven fabrics into value-added catalytic materials lessens the waste´s hazards of discarded materials while enhancing their functionality.Supplementary informationThe online version contains supplementary material available at 10.1007/s10570-022-04441-9.

Project description:Obtaining a research participant's voluntary and informed consent is the bedrock of sound ethics practice. Greater inclusion of children in research has led to questions about how paediatric consent operates in practice to accord with current and emerging legal and socio-ethical issues, norms, and requirements.Employing a qualitative thematic content analysis, we examined paediatric consent forms from major academic centres and public organisations across Canada dated from 2008-2011, which were purposively selected to reflect different types of research ethics boards, participants, and studies. The studies included biobanking, longitudinal studies, and gene-environment studies. Our purpose was to explore the following six emerging issues: (1) whether the scope of parental consent allows for a child's assent, dissent, or future consent; (2) whether the concepts of risk and benefit incorporate the child's psychological and social perspective; (3) whether a child's ability to withdraw is respected and to what extent withdrawal is permitted; (4) whether the return of research results includes individual results and/or incidental findings and the processes involved therein; (5) whether privacy and confidentiality concerns adequately address the child's perspective and whether standard data and/or sample identifiability nomenclature is used; and (6) whether retention of and access to paediatric biological samples and associated medical data are addressed.The review suggests gaps and variability in the consent forms with respect to addressing each of the six issues. Many forms did not discuss the possibility of returning research results, be they individual or general/aggregate results. Forms were also divided in terms of the scope of parental consent (specific versus broad), and none discussed a process for resolving disputes that can arise when either the parents or the child wishes to withdraw from the study.The analysis provides valuable insight and evidence into how consent forms address current ethical issues. While we do not thoroughly explore the contexts and reasons behind consent form gaps and variability, we do advocate and formulate the development of best practices for drafting paediatric health research consent forms. This can greatly ameliorate current gaps and facilitate harmonised and yet contextualised approaches to paediatric health research ethics.

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Unmasking emerging issues in solid waste management: Knowledge and self-reported practices on the discarded disposable masks during the COVID-19 pandemic in the Philippines

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