Biodegradation of Poly-ε-caprolactones and Poly-l-lactides by Fungi

Антипова, Т. В.; Желифонова, В. П.; Zaitsev, Kirill V.; Недорезова, П. М.; Aladyshev, A. M.; Klyamkina, A. N.; Kostyuk, S. V.; Danilogorskaya, Anastasiya A.; Kozlovsky, A. G.

doi:10.1007/s10924-018-1307-3

Cited by 29 publications

(16 citation statements)

References 24 publications

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“…The second one was Aspergillus claidoustus, fungi belonging to this species can also be found both in outdoor [61,62] and indoor environments [63,64]. Strains of A. calidoustus find applications in degradation of biodegradable plastics [65] and petroleum [66]. ER-BacA and ER-BacB were both identified as Variovorax sp., and they had 99.61% sequence identity between each other.…”

Section: Discussionmentioning

confidence: 99%

Microbial Depolymerization of Epoxy Resins: A Novel Approach to a Complex Challenge

et al. 2022

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The objective of this project is evaluating the potential of microbes (fungi and bacteria) for the depolymerization of epoxy, aiming at the development of a circular management of natural resources for epoxy in a long-term prospective. For depolymerization, epoxy samples were incubated for 1, 3, 6 and 9 months in soil microcosms inoculated with Ganoderma adspersum. Contact angle data revealed a reduction in the hydrophobicity induced by the fungus. Environmental scanning electron microscopy on epoxy samples incubated for more than 3 years in microbiological water revealed abundant microbiota. This comprised microbes of different sizes and shapes. The fungi Trichoderma harzianum and Aspergillus calidoustus, as well as the bacteria Variovorax sp. and Methyloversatilis discipulorum, were isolated from this environment. Altogether, these results suggest that microbes are able to colonize epoxy surfaces and, most probably, also partially depolymerize them. This could open promising opportunities for the study of new metabolisms potentially able depolymerize epoxy materials.

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Section: Discussionmentioning

confidence: 99%

Microbial Depolymerization of Epoxy Resins: A Novel Approach to a Complex Challenge

et al. 2022

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“…Biodegradation may sometimes lead to incomplete mineralization of the total organic content, such as recalcitrant materials leaving unprocessed contaminants behind [4]. This could be due to the complex structure of the materials, higher molecular weight, crosslinking, shape, texture, surface area, and degradation rate [5].…”

Section: Key Challenges Associated With Biodegradation Processmentioning

confidence: 99%

“…For example, depending on the degree of crystallinity, orientation and packing of polymers, the degradation rate is severely affected. It has been observed that even under the same conditions, the degradation of amorphous regions of polycaprolactone (PCL) by filamentous fungi is much faster than the degradation of crystalline regions of PCL, where the amorphous regions may permit easy access to microbes during the degradation process [4]. Therefore, ensuring the complete or partial degradation of these complex substances to produce harmless products without secondary pollution is extremely important [5].…”

Section: Key Challenges Associated With Biodegradation Processmentioning

confidence: 99%

Novel Acumens into Biodegradation: Impact of Nanomaterials and Their Contribution

Manatunga¹,

Dassanayake²,

Liyanage³

2022

Biodegradation Technology of Organic and Inorganic Pollutants

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Biodegradation is the most viable alternative for numerous health and environmental issues associated with non-biodegradable materials. In recent years, there has been considerable interest in biodegradable nanomaterials due to their relative abundance, environmental benignity, low cost, easy use, and tunable properties. This chapter covers an overview of biodegradation, factors and challenges associated with biodegradation processes, involvement of nanotechnology and nanomaterials in biodegradation, and biodegradable nanomaterials. Furthermore, current chapter extensively is discusses the most recent applications of biodegradable nanomaterials that have recently been explored in the areas of food packaging, energy, environmental remediation, and nanomedicine. Overall, this chapter provides a synopsis of how the involvement of nanotechnology would benefit the process of biodegradation.

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“…The AIE‐active polymer based on the block copolymer PEG‐PCL prepared by microwave‐assisted KF reaction not only exhibits excellent biocompatibility but also exhibits high degradability due to the degradation of PCL into small molecules by lipases hydrolysis and further assimilated by microorganisms. [ 124–126 ] Therefore, PCL was selected as optimal reagent to be copolymerized with PEG through ring‐opening reaction. It is worth mentioning that, compared with RAFT polymerization, the strategy that combines ring‐opening polymerization and esterification reaction can create various fluorescent polymers with excellent structures and performances.…”

Section: Fabrication Of Fluorescent Copolymers With Aie Feature Throumentioning

confidence: 99%

Recent Advances on Fabrication of Polymeric Composites Based on Multicomponent Reactions for Bioimaging and Environmental Pollutant Removal

Yang

Liang

et al. 2021

Macromol. Rapid Commun.

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As the core of polymer chemistry, manufacture of functional polymers is one of research hotspots over the past several decades. Various polymers are developed for diverse applications due to their tunable structures and unique properties. However, traditional step‐by‐step preparation strategies inevitably involve some problems, such as separation, purification, and time‐consuming. The multicomponent reactions (MCRs) are emerging as environmentally benign synthetic strategies to construct multifunctional polymers or composites with pendant groups and designed structures because of their features, such as efficient, fast, green, and atom economy. This mini review summarizes the latest advances about fabrication of multifunctional fluorescent polymers or adsorptive polymeric composites through different MCRs, including Kabachnik–Fields reaction, Biginelli reaction, mercaptoacetic acid locking imine reaction, Debus–Radziszewski reaction, and Mannich reaction. The potential applications of these polymeric composites in biomedical and environmental remediation are also highlighted. It is expected that this mini‐review will promote the development preparation and applications of functional polymers through MCRs.

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Biodegradation of Poly-ε-caprolactones and Poly-l-lactides by Fungi

Cited by 29 publications

References 24 publications

Microbial Depolymerization of Epoxy Resins: A Novel Approach to a Complex Challenge

Microbial Depolymerization of Epoxy Resins: A Novel Approach to a Complex Challenge

Novel Acumens into Biodegradation: Impact of Nanomaterials and Their Contribution

Recent Advances on Fabrication of Polymeric Composites Based on Multicomponent Reactions for Bioimaging and Environmental Pollutant Removal

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