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Proceeding Paper

Carbon Dots from Porphyridium cruentum Microalgae by High-Efficient Hydrothermal Approaches: Biocompatibility and Antioxidant Capabilities †

by
Inês Chouzende
1,
Alexandra I. Costa
1,2,*,
Patrícia D. Barata
1,2,
Sónia Martins
1,3,
Magda C. Semedo
1,3,
Fernando M. H. Cardoso
4,5,
Maria Luísa Lobo
4,5 and
José V. Prata
1,2
1
Departamento de Engenharia Química (DEQ), Instituto Superior de Engenharia de Lisboa, R. Conselheiro Emídio Navarro, 1, 1959-007 Lisboa, Portugal
2
Centro de Química-Vila Real (CQ-VR), Universidade de Trás-os-Montes e Alto Douro, 5001-801 Vila Real, Portugal
3
Centro de Geobiociências, Geoengenharias e Geotecnologias (GeoBioTec), FCT-UNL, Monte de Caparica, 2829-516 Caparica, Portugal
4
Medical Parasitology Unit, Group of Opportunistic Protozoa/HIV and Other Protozoa, Global Health and Tropical Medicine, IHMT-UNL, R. da Junqueira 100, 1349-008 Lisboa, Portugal
5
Laboratório Associado-Real, Instituto de Higiene e Medicina Tropical, Universidade Nova de Lisboa. R. da Junqueira 100, 1349-008 Lisboa, Portugal
*
Author to whom correspondence should be addressed.
†
Presented at the 27th International Electronic Conference on Synthetic Organic Chemistry (ECSOC-27), 15–30 November 2023; Available online: https://ecsoc-27.sciforum.net/.
Chem. Proc. 2023, 14(1), 4; https://doi.org/10.3390/ecsoc-27-16074
Published: 15 November 2023
(This article belongs to the Proceedings of 27th International Electronic Conference on Synthetic Organic Chemistry)
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Abstract

Fluorescent carbon dots (µAlgae-CDs) were successfully prepared from renewable Porphyridium cruentum biomass using a hydrothermal carbonization approach and ethylenediamine (ED) as a nitrogen additive. Structural and photophysical properties of the as-synthesized nanomaterials were evaluated using FTIR, UV-Vis, and fluorescence spectroscopies. The new µAlgae-CDs synthesized with a ratio of 0.16 of ED demonstrated good antioxidant properties by ABTS radical cation method and did not exhibit cytotoxicity against non-tumor Vero cells and tumor HeLa cells, showing potential application in bioimaging.
Keywords: carbon dots; microalgae; fluorescent; antioxidants; cytotoxicity carbon dots; microalgae; fluorescent; antioxidants; cytotoxicity

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MDPI and ACS Style

Chouzende, I.; Costa, A.I.; Barata, P.D.; Martins, S.; Semedo, M.C.; Cardoso, F.M.H.; Lobo, M.L.; Prata, J.V. Carbon Dots from Porphyridium cruentum Microalgae by High-Efficient Hydrothermal Approaches: Biocompatibility and Antioxidant Capabilities. Chem. Proc. 2023, 14, 4. https://doi.org/10.3390/ecsoc-27-16074

AMA Style

Chouzende I, Costa AI, Barata PD, Martins S, Semedo MC, Cardoso FMH, Lobo ML, Prata JV. Carbon Dots from Porphyridium cruentum Microalgae by High-Efficient Hydrothermal Approaches: Biocompatibility and Antioxidant Capabilities. Chemistry Proceedings. 2023; 14(1):4. https://doi.org/10.3390/ecsoc-27-16074

Chicago/Turabian Style

Chouzende, Inês, Alexandra I. Costa, Patrícia D. Barata, Sónia Martins, Magda C. Semedo, Fernando M. H. Cardoso, Maria Luísa Lobo, and José V. Prata. 2023. "Carbon Dots from Porphyridium cruentum Microalgae by High-Efficient Hydrothermal Approaches: Biocompatibility and Antioxidant Capabilities" Chemistry Proceedings 14, no. 1: 4. https://doi.org/10.3390/ecsoc-27-16074

APA Style

Chouzende, I., Costa, A. I., Barata, P. D., Martins, S., Semedo, M. C., Cardoso, F. M. H., Lobo, M. L., & Prata, J. V. (2023). Carbon Dots from Porphyridium cruentum Microalgae by High-Efficient Hydrothermal Approaches: Biocompatibility and Antioxidant Capabilities. Chemistry Proceedings, 14(1), 4. https://doi.org/10.3390/ecsoc-27-16074

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