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Surface chemistry and bioactivity of colloidal particles from industrial kraft ligninsGordobil, Oihana ...The morphology control of lignin through particle size reduction to nanoscale seems to be a suitable conversion technology to overcome the intrinsic limitations of its native form to develop a wide ... range of biomaterials with high performance. Colloidal lignin particles (CLPs) in the range of 150–200 nm were synthesised from hardwood and softwood kraft lignins by the solvent shifting method. The initial molecular features of kraft lignins were evaluated in terms of purity, molecular weight distribution, and chemical functionalities. The impact of the lignin source and structure on the morphology, size distribution, and surface chemistry of CLPs was evaluated by particle size analyser, SEM, TEM and 1H NMR. The results evidenced the influence of the botanical origin on the morphology and surface chemistry of particles. Furthermore, the antioxidant properties and cytotoxicity of lignins and corresponding CLPs, towards lung fibroblast cells were compared. CLPs from hardwood kraft lignins exhibited higher antioxidant power against DPPH free radical and a higher cytotoxic effect (IC30 = 67–70 μg/mL) against lung fibroblast when compared to CLPs from softwood kraft lignin (IC30 = ~91 μg/mL). However, the cytotoxicity of these biomaterials was dose-dependent, suggesting their potential application as active ingredients in cosmetic and pharmaceutic products at low concentrations.Source: International journal of biological macromolecules. - ISSN 0141-8130 (Vol. 220, 2022, str. 1444-1453)Type of material - article, component part ; adult, seriousPublish date - 2022Language - englishCOBISS.SI-ID - 122093827
Author
Gordobil, Oihana |
Li, Huisi |
Ayerdi Izquierdo, Ana |
Egizabal, Ainhoa |
Sevastyanova, Olena |
Sandak, Anna Malgorzata
Topics
kraft lignin |
colloidal particles |
morphology |
surface chemistry |
antioxidant activity |
kraft lignin |
koloidni delci |
morfologija |
površinska kemija |
antioksidativno delovanje
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source: International journal of biological macromolecules. - ISSN 0141-8130 (Vol. 220, 2022, str. 1444-1453)
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Gordobil, Oihana | 54956 |
Li, Huisi | ![]() |
Ayerdi Izquierdo, Ana | ![]() |
Egizabal, Ainhoa | ![]() |
Sevastyanova, Olena | ![]() |
Sandak, Anna Malgorzata | 50366 |
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