Cited by 123biodegradable polymer synthesis and propertiesAlgal biology and biofuel productionMicroplastics and Plastic Pollution

Biopolymers production from microalgae and cyanobacteria cultivated in wastewater: recent advances

Mastropetros, Savvas Giannis, Pispas, Konstantinos, Zagklis, Dimitris, Ali, Sameh S., Kornaros, Michael·2022·Biotechnology Advances

Abstract

Plastic materials are used to manufacture a broad variety of items with a short useful lifespan, resulting in significant amounts of waste material generation. This form of waste is often observed floating at sea, and different microplastics have been discovered in fish stomachs and women's placentas. Bioplastics are a more biodegradable substitute for fossil-based polymers. Microalgae are capable of producing poly (hydroxy alkanoate) esters (PHAs), aliphatic polyesters that are biodegradable. The most prevalent and well-characterized biopolymer is the poly (3-hydroxy butyrate) ester (PHB), which belongs to the short-chain PHAs. Under aerobic conditions, PHB compounds degrade fully to carbon dioxide and water. They are ecologically neutral, having thermal and mechanical qualities comparable to those of petrochemical polymers. Numerous microalgae species have been reported in the literature to be capable of making bioplastics under certain conditions (N-P restriction, light exposure, etc.), which may be exploited as a source of energy and carbon. To further ameliorate the environmental impact of microalgae culture for bioplastics production, a limited number of published studies have examined the accumulation of bioplastics, from microalgae grown in wastewater, at a concentration of 5.5-65% of dry biomass weight.

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Crossref · 10.1016/j.biotechadv.2022.107999

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Authors
Mastropetros, S. G., Pispas, K., Zagklis, D., Ali, S. S., & Kornaros, M.
Affiliations
  • University of Patras (GR)
  • Jiangsu University (CN)
Corresponding author
Kornaros, Michael
Venue
Biotechnology Advances
Publisher
Elsevier BV
Published
2022-11
Volume
60
Pages
107999
ISSN
0734-9750 (ISSN-L)
OpenAlex
W4281651842
Cited by
123
References
125
Citations by year
2026: 32 · 2025: 31 · 2024: 23 · 2023: 25 · 2022: 12
FWCI
1.57
Type
journal article
Language
en
Open access
closed
Locations
  • Biotechnology Advances (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
Keywords
bioplastics, microalgae, cyanobacteria, polyhydroxyalkanoates, polyhydroxybutyrate, wastewater cultivation, microplastics, biodegradable polymers, nitrogen and phosphorus limitation, light exposure, microalgal biomass
MeSH terms
Microplastics, Cyanobacteria, Biopolymers, Butyrates, Carbon Dioxide, Esters, Female, Humans, Plastics, Polyesters, Polymers, Water, Microalgae, Wastewater

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