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Extended Abstract

Preparation and Characterization of Highly Porous Cellulosic Foams for Biomedical Applications †

by
Elena-Ruxandra Radu
,
Denis Mihaela Panaitescu
*,
Ioana Chiulan
,
Cristian Andi Nicolae
,
Raluca Augusta Gabor
,
Sorin Valentin Raditoiu
and
Monica Florentina Raduly
National Institute for Research & Development in Chemistry and Petrochemistry—ICECHIM Bucharest, 202 Spl. Independentei, 060021 Bucharest, Romania
*
Author to whom correspondence should be addressed.
†
Presented at the 15th International Symposium “Priorities of Chemistry for a Sustainable Development” PRIOCHEM, Bucharest, Romania, 30th October–1st November 2019.
Proceedings 2019, 29(1), 8; https://doi.org/10.3390/proceedings2019029008
Published: 9 October 2019
(This article belongs to the Proceedings of Priorities of Chemistry for a Sustainable Development-PRIOCHEM)
Browse Figure
Versions Notes

Cellulose is the most abundant renewable biopolymer in nature, being the main constituent of plant cell walls [1]. Nanocellulose is a new class of biomaterial, with numerous biomedical applications due to its unique properties, such as biocompatibility, biodegradability, and good mechanical properties [2]. This study aimed to obtain 3D porous structures based on nanocellulose and PEG-based monomers/oligomers.
The obtained grafted cellulose aerogels were characterized by Brunauer-Emmett-TellerBET surface area analysis to observe the increased porosity and high specific area. Grafting of cellulose nanofibers is seen in the modification of the FT-IR spectrum by the appearance of new peaks and bands with high intensity. Due to these properties, the obtained cellulose composite aerogels (Figure 1) can be potentially used as scaffolds for tissue regeneration or as drug delivery systems.

Acknowledgments

This work was supported by a grant of the Ministry of Research and Innovation, CNCS–UEFISCDI, project number PN-III-P4-ID-PCE-2016-0431, within PNCDI III, contract no. 148/2017 (CELL-3D) and contract 23N/2019, PN 1923020104.

References

  1. Coseri, S. Cellulose: To depolymerize… or not to. Biotechnol. Adv. 2017, 35, 251–266. [Google Scholar] [CrossRef] [PubMed]
  2. Pereira, B.; Arantes, V. Nanocelluloses from Sugarcane Biomass. In Advances in Sugarcane Biorefinery, Technologies, Commercialization, Policy Issues and Paradigm Shift for Bioethanol and By-Products, 1st ed.; Chandel, A.K., Luciano, S., Eds.; Elsevier: Atlanta, GA, USA, 2017; p. 342. [Google Scholar]
Proceedings 29 00008 g001
Figure 1. (a) SEM image of cellulose fiber coated with PEG-based monomers and (b) image of cellulose foams.
Figure 1. (a) SEM image of cellulose fiber coated with PEG-based monomers and (b) image of cellulose foams.
Proceedings 29 00008 g001

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MDPI and ACS Style

Radu, E.-R.; Panaitescu, D.M.; Chiulan, I.; Nicolae, C.A.; Gabor, R.A.; Raditoiu, S.V.; Raduly, M.F. Preparation and Characterization of Highly Porous Cellulosic Foams for Biomedical Applications. Proceedings 2019, 29, 8. https://doi.org/10.3390/proceedings2019029008

AMA Style

Radu E-R, Panaitescu DM, Chiulan I, Nicolae CA, Gabor RA, Raditoiu SV, Raduly MF. Preparation and Characterization of Highly Porous Cellulosic Foams for Biomedical Applications. Proceedings. 2019; 29(1):8. https://doi.org/10.3390/proceedings2019029008

Chicago/Turabian Style

Radu, Elena-Ruxandra, Denis Mihaela Panaitescu, Ioana Chiulan, Cristian Andi Nicolae, Raluca Augusta Gabor, Sorin Valentin Raditoiu, and Monica Florentina Raduly. 2019. "Preparation and Characterization of Highly Porous Cellulosic Foams for Biomedical Applications" Proceedings 29, no. 1: 8. https://doi.org/10.3390/proceedings2019029008

APA Style

Radu, E. -R., Panaitescu, D. M., Chiulan, I., Nicolae, C. A., Gabor, R. A., Raditoiu, S. V., & Raduly, M. F. (2019). Preparation and Characterization of Highly Porous Cellulosic Foams for Biomedical Applications. Proceedings, 29(1), 8. https://doi.org/10.3390/proceedings2019029008

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