A simple process for lignin nanoparticle preparation

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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A simple process for lignin nanoparticle preparation. / Lievonen, Miikka; Valle-Delgado, Juan José; Mattinen, Maija Liisa; Hult, Eva Lena; Lintinen, Kalle; Kostiainen, Mauri A.; Paananen, Arja; Szilvay, Géza R.; Setälä, Harri; Österberg, Monika.

julkaisussa: Green Chemistry, Vuosikerta 18, Nro 5, 07.03.2016, s. 1416-1422.

Tutkimustuotos: Lehtiartikkelivertaisarvioitu

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Lievonen, M, Valle-Delgado, JJ, Mattinen, ML, Hult, EL, Lintinen, K, Kostiainen, MA, Paananen, A, Szilvay, GR, Setälä, H & Österberg, M 2016, 'A simple process for lignin nanoparticle preparation', Green Chemistry, Vuosikerta. 18, Nro 5, Sivut 1416-1422. https://doi.org/10.1039/c5gc01436k

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Author

Lievonen, Miikka ; Valle-Delgado, Juan José ; Mattinen, Maija Liisa ; Hult, Eva Lena ; Lintinen, Kalle ; Kostiainen, Mauri A. ; Paananen, Arja ; Szilvay, Géza R. ; Setälä, Harri ; Österberg, Monika. / A simple process for lignin nanoparticle preparation. Julkaisussa: Green Chemistry. 2016 ; Vuosikerta 18, Nro 5. Sivut 1416-1422.

Bibtex - Lataa

@article{99b660af8da64a918d836fca058116ba,
title = "A simple process for lignin nanoparticle preparation",
abstract = "A lack of renewable resources and their inefficient use is a major challenge facing the society. Lignin is a natural biopolymer obtained mainly as a by-product from the pulp- and paper-making industries, and is primarily burned to produce energy. However, interest for using lignin in more advanced applications has increased rapidly. In particular, lignin based nanoparticles could find potential use in functional surface coatings, nanoglue, drug delivery, and microfluidic devices. In this work, a straightforward method to produce lignin nanoparticles from waste lignin obtained from kraft pulping is introduced. Spherical lignin nanoparticles were obtained by dissolving softwood kraft lignin in tetrahydrofuran (THF) and subsequently introducing water into the system through dialysis. No chemical modification of lignin was needed. Water acts as a non-solvent reducing lignin's degrees of freedom causing the segregation of hydrophobic regions to compartments within the forming nanoparticles. The final size of the nanoparticles depended on the pre-dialysis concentration of dissolved lignin. The stability of the nanoparticle dispersion as a function of time, salt concentration and pH was studied. In pure water and at room temperature the lignin nanoparticle dispersion was stable for over two months, but a very low pH or high salt concentration induced aggregation. It was further demonstrated that the surface charge of the particles could be reversed and stable cationic lignin nanoparticles were produced by adsorption of poly(diallyldimethylammonium chloride) (PDADMAC).",
keywords = "lignin, nanoparticles",
author = "Miikka Lievonen and Valle-Delgado, {Juan Jos{\'e}} and Mattinen, {Maija Liisa} and Hult, {Eva Lena} and Kalle Lintinen and Kostiainen, {Mauri A.} and Arja Paananen and Szilvay, {G{\'e}za R.} and Harri Set{\"a}l{\"a} and Monika {\"O}sterberg",
year = "2016",
month = "3",
day = "7",
doi = "10.1039/c5gc01436k",
language = "English",
volume = "18",
pages = "1416--1422",
journal = "Green Chemistry",
issn = "1463-9262",
number = "5",

}

RIS - Lataa

TY - JOUR

T1 - A simple process for lignin nanoparticle preparation

AU - Lievonen, Miikka

AU - Valle-Delgado, Juan José

AU - Mattinen, Maija Liisa

AU - Hult, Eva Lena

AU - Lintinen, Kalle

AU - Kostiainen, Mauri A.

AU - Paananen, Arja

AU - Szilvay, Géza R.

AU - Setälä, Harri

AU - Österberg, Monika

PY - 2016/3/7

Y1 - 2016/3/7

N2 - A lack of renewable resources and their inefficient use is a major challenge facing the society. Lignin is a natural biopolymer obtained mainly as a by-product from the pulp- and paper-making industries, and is primarily burned to produce energy. However, interest for using lignin in more advanced applications has increased rapidly. In particular, lignin based nanoparticles could find potential use in functional surface coatings, nanoglue, drug delivery, and microfluidic devices. In this work, a straightforward method to produce lignin nanoparticles from waste lignin obtained from kraft pulping is introduced. Spherical lignin nanoparticles were obtained by dissolving softwood kraft lignin in tetrahydrofuran (THF) and subsequently introducing water into the system through dialysis. No chemical modification of lignin was needed. Water acts as a non-solvent reducing lignin's degrees of freedom causing the segregation of hydrophobic regions to compartments within the forming nanoparticles. The final size of the nanoparticles depended on the pre-dialysis concentration of dissolved lignin. The stability of the nanoparticle dispersion as a function of time, salt concentration and pH was studied. In pure water and at room temperature the lignin nanoparticle dispersion was stable for over two months, but a very low pH or high salt concentration induced aggregation. It was further demonstrated that the surface charge of the particles could be reversed and stable cationic lignin nanoparticles were produced by adsorption of poly(diallyldimethylammonium chloride) (PDADMAC).

AB - A lack of renewable resources and their inefficient use is a major challenge facing the society. Lignin is a natural biopolymer obtained mainly as a by-product from the pulp- and paper-making industries, and is primarily burned to produce energy. However, interest for using lignin in more advanced applications has increased rapidly. In particular, lignin based nanoparticles could find potential use in functional surface coatings, nanoglue, drug delivery, and microfluidic devices. In this work, a straightforward method to produce lignin nanoparticles from waste lignin obtained from kraft pulping is introduced. Spherical lignin nanoparticles were obtained by dissolving softwood kraft lignin in tetrahydrofuran (THF) and subsequently introducing water into the system through dialysis. No chemical modification of lignin was needed. Water acts as a non-solvent reducing lignin's degrees of freedom causing the segregation of hydrophobic regions to compartments within the forming nanoparticles. The final size of the nanoparticles depended on the pre-dialysis concentration of dissolved lignin. The stability of the nanoparticle dispersion as a function of time, salt concentration and pH was studied. In pure water and at room temperature the lignin nanoparticle dispersion was stable for over two months, but a very low pH or high salt concentration induced aggregation. It was further demonstrated that the surface charge of the particles could be reversed and stable cationic lignin nanoparticles were produced by adsorption of poly(diallyldimethylammonium chloride) (PDADMAC).

KW - lignin

KW - nanoparticles

UR - http://www.scopus.com/inward/record.url?scp=84959282529&partnerID=8YFLogxK

U2 - 10.1039/c5gc01436k

DO - 10.1039/c5gc01436k

M3 - Article

AN - SCOPUS:84959282529

VL - 18

SP - 1416

EP - 1422

JO - Green Chemistry

JF - Green Chemistry

SN - 1463-9262

IS - 5

ER -

ID: 1685988