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. 2023 Dec 28;16(1):101.
doi: 10.3390/polym16010101.

Biomimetic Materials Based on Poly-3-hydroxybutyrate and Chlorophyll Derivatives

Polina M Tyubaeva  1   2 , Kristina G Gasparyan  1   2 , Roman R Romanov  2   3 , Evgeny A Kolesnikov  4 , Levon Y Martirosyan  1 , Ekaterina A Larkina  3 , Mikhail A Tyubaev  2
Affiliations

Biomimetic Materials Based on Poly-3-hydroxybutyrate and Chlorophyll Derivatives

Polina M Tyubaeva et al. Polymers (Basel). .

Abstract

Electrospinning of biomimetic materials is of particular interest due to the possibility of producing flexible layers with highly developed surfaces from a wide range of polymers. Additionally, electrospinning is characterized by a high simplicity of implementation and the ability to modify the produced fibrous materials, which resemble structures found in living organisms. This study explores new electrospun materials based on polyhydroxyalkanoates, specifically poly-3-hydroxybutyrate, modified with chlorophyll derivatives. The research investigates the impact of chlorophyll derivatives on the morphology, supramolecular structure, and key properties of nonwoven materials. The obtained results are of interest for the development of new flexible materials with low concentrations of chlorophyll derivatives.

Keywords: antibacterial properties; chlorophyll derivatives; electrospinning; poly-3-hydroxybutyrate; supramolecular structure.

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Conflict of interest statement

The authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Structural formulas of chlorophyll derivatives: (a) mC2N+; (b) mC2N; (c) mC2NH2; (d) mC3OH; (e) mC4.
Figure 2
Figure 2
Single-capillary ES setup.
Figure 3
Figure 3
SEM images of electrospun materials based on PHB with different chlorophyll derivatives: (a) PHB; (b) PHB/mC4; (c) PHB/mC3OH; (d) PHB/mC2NH2; (e) PHB/mC2N+; (f) PHB/mC2N.
Figure 4
Figure 4
FTIR spectra of electrospun materials based on PHB with different chlorophyll derivatives: (a) the region 400–4000 cm−1, (b) the region 400–2000 cm−1.
Figure 5
Figure 5
DSC curves of electrospun materials based on PHB with different chlorophyll derivatives.
Figure 6
Figure 6
Wettability (contact angle) of electrospun materials based on PHB with different chlorophyll derivatives.
Figure 7
Figure 7
The microbiological test of electrospun materials based on PHB with different chlorophyll derivatives against E. coli (red arrows show lysis zone): (a) Petri dishes with PHB/chlorophyll derivatives samples (dark rounds), (b) Petri dishes without samples.
Figure 8
Figure 8
Mechanical analysis of PHB/chlorophyll derivatives: (A) PHB/mC4; (B) PHB/mC2N+.
See this image and copyright information in PMC

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