Recent advances and challenges in recycling and reusing biomedical materials

Kheirabadi, Sina; Sheikhi, Amir

doi:10.1016/j.cogsc.2022.100695

Cited by 19 publications

(9 citation statements)

References 59 publications

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“…Curiously, despite the fact that the articles included in this systematic review were published in the past 15 years, they did not report that the waste recycling and reuse practices were included in the content of the educational interventions. These concepts are becoming increasingly established as parts of environmental sustainability, and even in the biomedical field, which may allow for more efficient waste management [72,73]. Almost all of the waste produced in the healthcare sector could be recycled and would represent a resource for the environment; therefore, awareness should be raised by training HCWs on how to recycle these materials [5,73].…”

Section: Discussionmentioning

confidence: 99%

The Effectiveness of Educational Interventions in Improving Waste Management Knowledge, Attitudes, and Practices among Healthcare Workers: A Systematic Review and Meta-Analysis

Conti,

Viottini,

Comoretto

et al. 2024

Sustainability

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The healthcare sector represents a major source of waste production, and healthcare workers (HCWs) are crucial in waste management. Educational interventions (EIs) can be delivered through a single component (mono-component) or by combining different components (multi-component); although they have a potential impact on the sustainability of healthcare, their effectiveness in waste management still needs to be identified. The aim of this systematic review and meta-analysis was to describe EIs to improve waste management knowledge, attitudes, and practices among HCWs and provide an estimate of their effectiveness. Six relevant databases were searched; 24 articles were included, and 19 were meta-analyzed. These were mainly from low-income countries and did not consider EIs for recycling, reducing, and reusing. Compared to the mono-component EIs, the multi-component Eis showed a higher statistically significant positive post-intervention effect on knowledge, with greater retention in the medium–long term, and on practices, particularly among non-hands-on HCWs. The effects of the EIs on attitudes were not significant. Our results suggest that multi-component EIs should be preferred to improve waste management standards in the healthcare sector. Given the heterogeneity found among EIs, the standardization of types, content, duration, and assessment methods should be considered. Finally, their harmonization at a global level could influence international and national policies on sustainability.

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Section: Discussionmentioning

confidence: 99%

The Effectiveness of Educational Interventions in Improving Waste Management Knowledge, Attitudes, and Practices among Healthcare Workers: A Systematic Review and Meta-Analysis

Conti,

Viottini,

Comoretto

et al. 2024

Sustainability

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“…However, additional sterilization and decontamination is required prior to the upcycling process affecting the mechanical and surface properties of PE and the additives released from PE. [206][207][208] Potentially, functional upcycling of waste PE could be implemented in limited cases such as for designing noninvasive devices for skin or mucosal use (UPS class I and II); however it is essential to validate the biocompatibility of the upcycled materials according to the ISO 10993 and USP procedures. Certain strategies for modifying PE could be employed for functional upcycling via fabrication of noninvasive devices owing to the antifouling and antibacterial properties (cyclodextrins and polymers bearing phosphorylcholine groups) (Table 2(3)), 178,195 antibacterial properties (polymers + antibiotic, quaternary ammonium salts, and metal NPs) (Table 2(5, 6)), 190,209,210 and improved wettability and adhesion properties (allylamine) (Table 2(4)).…”

Section: Application Of Functional Materials and Comparisonmentioning

confidence: 99%

“Functional upcycling” of polymer waste towards the design of new materials

et al. 2023

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“…Considering all available reports, the recommended first step to successful recycling of biomaterials is segregation by the type of material (polymer, metal, or ceramic) (Kheirabadi and Sheikhi, 2022;Yadav et al, 2020), specific composition (Lee et al, 2002;Joseph et al, 2021), waste source (Attrah et al, 2022;Lee et al, 2002), and infection chance (Kheirabadi and Sheikhi, 2022;Yadav et al, 2020). Figure 1 illustrates an exemplary composition of biomaterials waste, highlighting the chemical diversity of the materials.…”

Section: Current Strategies For Recycling Biomaterialsmentioning

confidence: 99%

Biomaterials recycling: a promising pathway to sustainability

Wiśniewska,

Saeb,

Bencherif

2023

Front. Biomater. Sci.

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Biomaterials undergo a transformative journey, from their origin as renewable resources to the manufacturing plants where they are processed and stored, until they fulfill their intended therapeutic or diagnostic purposes and become medical waste. However, during this life cycle, biomaterials can be susceptible to contamination and subsequent degradation through various mechanisms such as hydro-mechanical, thermal, or biochemical processes in water, soil, or air. These factors raise significant concerns regarding biological safety. Additional complexities arise from the potential amalgamation of biomaterials with other materials, either of the same kind or different types. Use of biomaterials influences their porosity, surface chemistry, and structural strength, and these factors affect biomaterials’ reusability. Given the multitude of materials, processing parameters, sustainability requirements, and the limitation of natural resources, the recycling of biomaterials becomes necessary. Unfortunately, this topic has received limited attention thus far. In this context, this perspective provides a brief overview, analysis, and classification of reports on biomaterials recycling, aiming to initiate a discussion on this frequently overlooked subject. We highlight the challenges related to energy consumption and environmental pollution. However, the lack of established protocols and reporting on biomaterials recycling prevents a comprehensive understanding of these challenges and potential solutions. Nevertheless, addressing these issues can lead to more efficient resource use and reduced environmental impact in the field of biomaterials.

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Recent advances and challenges in recycling and reusing biomedical materials

Cited by 19 publications

References 59 publications

The Effectiveness of Educational Interventions in Improving Waste Management Knowledge, Attitudes, and Practices among Healthcare Workers: A Systematic Review and Meta-Analysis

The Effectiveness of Educational Interventions in Improving Waste Management Knowledge, Attitudes, and Practices among Healthcare Workers: A Systematic Review and Meta-Analysis

“Functional upcycling” of polymer waste towards the design of new materials

Biomaterials recycling: a promising pathway to sustainability

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