In vitro biodegradation of bacterial nanocellulose under conditions simulating human plasma in the presence of selected pathogenic microorganisms

P. Dederko; E. Malinowska-Pańczyk; H. Staroszczyk; I. Sinkiewicz; P. Szweda; P. Siondalski

doi:10.14314/polimery.2018.5.6

Published : 2021-01-13

Vol. 63 No. 5 (2018)

In vitro biodegradation of bacterial nanocellulose under conditions simulating human plasma in the presence of selected pathogenic microorganisms

P. Dederko E. Malinowska-Pańczyk H. Staroszczyk I. Sinkiewicz P. Szweda P. Siondalski

DOI: https://doi.org/10.14314/polimery.2018.5.6

Abstract

The biodegradability of bacterial nanocellulose (BNC) was assessed based on a change in its properties under conditions simulating human plasma in the presence or absence of the pathogens Staphylococcus aureus, Candida albicans and Aspergillus fumigatus. It was shown that the dry mass of BNC did not change during 6 months of incubation, except for samples stored in the presence of moulds, where the dry mass reduced by 40%. The wet mass of all BNC samples increased after 2 months of incubation. Under these conditions, the population number of microorganisms grew about 2 log cycles during the first month and maintained this level for 6 months of storage. After 1 month of storage in sterile fluids, and in the presence of bacteria or fungi, the tensile strength of BNC decreased by 60% or 70%, respectively.

Keywords

in vitro biodegradation ; bacterial nanocellulose ; pathogenic microorganisms biodegradacja in vitro ; nanoceluloza bakteryjna ; mikroorganizmy chorobotwórcze

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Dederko, P., Malinowska-Pańczyk, E., Staroszczyk, H., Sinkiewicz, I., Szweda, P., & Siondalski, P. (2021). In vitro biodegradation of bacterial nanocellulose under conditions simulating human plasma in the presence of selected pathogenic microorganisms. Polimery, 63(5), 372–380. https://doi.org/10.14314/polimery.2018.5.6

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P. Dederko help@libcom.pl

Affiliation
Gdansk University of Technology, Chemical Faculty, Department of Food Chemistry, Technology and Biotechnology, G. Narutowicza 11/12, 80-233 Gdańsk, Poland

E. Malinowska-Pańczyk

Affiliation
Gdansk University of Technology, Chemical Faculty, Department of Food Chemistry, Technology and Biotechnology, G. Narutowicza 11/12, 80-233 Gdańsk, Poland

H. Staroszczyk

Affiliation
Gdansk University of Technology, Chemical Faculty, Department of Food Chemistry, Technology and Biotechnology, G. Narutowicza 11/12, 80-233 Gdańsk, Poland

I. Sinkiewicz

Affiliation
Gdansk University of Technology, Chemical Faculty, Department of Food Chemistry, Technology and Biotechnology, G. Narutowicza 11/12, 80-233 Gdańsk, Poland

P. Szweda

Affiliation
Gdansk University of Technology, Department of Pharmaceutical Technology and Biochemistry, G. Narutowicza 11/12, 80-233 Gdańsk, Poland

P. Siondalski

Affiliation
Medical University of Gdansk, Department of Cardiovascular Surgery, Dębinki 7, 80-211 Gdansk, Poland