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Polymers
Volume 17
Issue 9
10.3390/polym17091221
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Article

Exploring the Characteristics of Carbon Structures Obtained from LignoBoost Lignin

by
Adina Coroabă
1,2,
Irina Apostol
1,
Ioan Andrei Dascălu
1,
Adrian Bele
1,
Narcisa Laura Marangoci
1,
Florica Doroftei
1,
Cristina Mariana Uritu
2,3 and
Iuliana Spiridon
1,*
1
“Petru Poni” Institute of Macromolecular Chemistry, Grigore Ghica Vodă 41 A, 700487 Iași, Romania
2
Center of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487 Iasi, Romania
3
Advanced Center for Research and Development in Experimental Medicine “Prof. Ostin C. Mungiu”, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania
*
Author to whom correspondence should be addressed.
Polymers 2025, 17(9), 1221; https://doi.org/10.3390/polym17091221
Submission received: 19 March 2025 / Revised: 23 April 2025 / Accepted: 24 April 2025 / Published: 29 April 2025
(This article belongs to the Section Biobased and Biodegradable Polymers)
Versions Notes

Abstract

In the present study, carbon structures from LignoBoost lignin were synthetized using HNO3/H2SO4 one-pot hydrothermal treatment, followed by a thermal treatment. The obtained compounds were characterized using different techniques, such as FTIR, DVS, DLS, XRD, fluorescence imaging and STEM. The formed LCMs presented graphitized structure with quasi-spherical shapes. All obtained materials presented negative values of zeta potential due to the charge from the hydroxyl and carboxyl groups, as confirmed by XPS analysis. All the data obtained sustained the heterogeneous composition of the lignin-based carbon materials, which arise from the complex structure of lignin. Fluorescence imaging demonstrated the potential of the materials as optical imaging agents.
Keywords: lignin; carbon structures; hydrothermal treatment; carbon dot; fluorescence lignin; carbon structures; hydrothermal treatment; carbon dot; fluorescence

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MDPI and ACS Style

Coroabă, A.; Apostol, I.; Dascălu, I.A.; Bele, A.; Marangoci, N.L.; Doroftei, F.; Uritu, C.M.; Spiridon, I. Exploring the Characteristics of Carbon Structures Obtained from LignoBoost Lignin. Polymers 2025, 17, 1221. https://doi.org/10.3390/polym17091221

AMA Style

Coroabă A, Apostol I, Dascălu IA, Bele A, Marangoci NL, Doroftei F, Uritu CM, Spiridon I. Exploring the Characteristics of Carbon Structures Obtained from LignoBoost Lignin. Polymers. 2025; 17(9):1221. https://doi.org/10.3390/polym17091221

Chicago/Turabian Style

Coroabă, Adina, Irina Apostol, Ioan Andrei Dascălu, Adrian Bele, Narcisa Laura Marangoci, Florica Doroftei, Cristina Mariana Uritu, and Iuliana Spiridon. 2025. "Exploring the Characteristics of Carbon Structures Obtained from LignoBoost Lignin" Polymers 17, no. 9: 1221. https://doi.org/10.3390/polym17091221

APA Style

Coroabă, A., Apostol, I., Dascălu, I. A., Bele, A., Marangoci, N. L., Doroftei, F., Uritu, C. M., & Spiridon, I. (2025). Exploring the Characteristics of Carbon Structures Obtained from LignoBoost Lignin. Polymers, 17(9), 1221. https://doi.org/10.3390/polym17091221

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