Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Anna Stiina Jääskeläinen"'
Publikováno v:
Frontiers in Energy Research, Vol 9 (2021)
Valorization of side streams offers novel types of raw materials to complement or replace synthetic and food-based alternatives in materials science, increasing profitability and decreasing the environmental impacts of biorefineries. Lignocellulose b
Externí odkaz:
https://doaj.org/article/398ccca6a3934409a966e4c6714871b7
Publikováno v:
BioResources, Vol 10, Iss 3, Pp 6230-6261 (2015)
This review describes use of transmission electron microscopy (TEM) in wood and fiber analysis. Analytical techniques and sample preparation methods are used to localize substructures of the cell wall polymers and are discussed in this review. The ul
Externí odkaz:
https://doaj.org/article/4a3dee6da58c4c77a4b6b3ab55c09df7
Autor:
Taina Ohra-aho, Tarja Tamminen, Marc Borrega, Sonja Päärnilä, Orlando J. Rojas, Luiz G. Greca, Anna Stiina Jääskeläinen
Publikováno v:
Langmuir
Borrega, M, Päärnilä, S, Greca, L G, Jääskeläinen, A S, Ohra-Aho, T, Rojas, O J & Tamminen, T 2020, ' Morphological and Wettability Properties of Thin Coating Films Produced from Technical Lignins ', Langmuir, vol. 36, no. 33, pp. 9675-9684 . https://doi.org/10.1021/acs.langmuir.0c00826
Borrega, M, Päärnilä, S, Greca, L G, Jääskeläinen, A S, Ohra-Aho, T, Rojas, O J & Tamminen, T 2020, ' Morphological and Wettability Properties of Thin Coating Films Produced from Technical Lignins ', Langmuir, vol. 36, no. 33, pp. 9675-9684 . https://doi.org/10.1021/acs.langmuir.0c00826
* Ack:ssa mutta ei silti mukaan raportointiin | openaire: EC/H2020/788489/EU//BioELCell Technical lignins are widely available as side streams from pulping and biorefining processes. The aromatic structure of such lignins could be exploited in coatin
Publikováno v:
BioResources, Vol 7, Iss 3, Pp 3823-3836 (2012)
Eucalyptus wood is among the most important biomass resource in the world. Wood mechanical defibration and fibrillation are energy-intensive processes utilized not only to produce pulp for papermaking, but also to produce reinforcement fibers for bio
Externí odkaz:
https://doaj.org/article/be270a8a74d94213bbf87d2c82afe15a
Publikováno v:
BioResources, Vol 4, Iss 4, Pp 1600-1619 (2009)
Reflectance UV-Vis spectroscopy and UV resonance Raman (UVRR) spectroscopy are both nondestructive techniques that are applicable to study trace concentrations of lignin in-situ. In this study, unbleached and bleached softwood kraft pulps were analyz
Externí odkaz:
https://doaj.org/article/65e03f155ab54a7ca64a76382110021e
Publikováno v:
Nuutinen, E M, Virtanen, T, Lantto, R, Vähä-Nissi, M & Jääskeläinen, A S 2021, ' Ductile keratin films from deep eutectic solvent-fractionated feathers ', RSC Advances, vol. 11, no. 44, pp. 27512-27522 . https://doi.org/10.1039/d1ra05123g
Feathers, an industrial by-product, are a valuable source of keratin that could be used, for example, in the preparation of films for biomedical and packaging applications. However, the utilisation of feather keratin requires scalable processes to co
Autor:
Raija Lantto, Jutta Laine-Ylijoki, Nesli Sozer, Anna Stiina Jääskeläinen, Anja Oasmaa, Henna Sundqvist-Andberg, Vafa Järnefelt, Matti Tähtinen
Publikováno v:
Lantto, R, Järnefelt, V, Tähtinen, M, Jääskeläinen, A S, Laine-Ylijoki, J, Oasmaa, A, Sundqvist-Andberg, H & Sözer, N 2019, ' Going Beyond a Circular Economy : A Vision of a Sustainable Economy in Which Material, Value and Information Are Integrated and Circulate Together ', Industrial Biotechnology, vol. 15, no. 1, pp. 12-19 . https://doi.org/10.1089/ind.2019.29156.rla
Autor:
Anna-Stiina Jääskeläinen, Alejandro Rodríguez, Maria Soledad Peresin, Tarja Tamminen, Tiina Liitiä, Juan Domínguez-Robles
Publikováno v:
Domínguez-Robles, J, Tamminen, T, Liitiä, T, Peresin, M S, Rodríguez, A & Jääskeläinen, A-S 2018, ' Aqueous acetone fractionation of kraft, organosolv and soda lignins ' International Journal of Biological Macromolecules, vol. 106, pp. 979-987 . DOI: 10.1016/j.ijbiomac.2017.08.102
Domínguez-Robles, J, Tamminen, T, Liitiä, T, Peresin, M S, Rodríguez, A & Jääskeläinen, A-S 2018, ' Aqueous acetone fractionation of kraft, organosolv and soda lignins ', International Journal of Biological Macromolecules, vol. 106, pp. 979-987 . https://doi.org/10.1016/j.ijbiomac.2017.08.102
International Journal of Biological Macromolecules
Domínguez-Robles, J, Tamminen, T, Liitiä, T, Peresin, M S, Rodríguez, A & Jääskeläinen, A-S 2018, ' Aqueous acetone fractionation of kraft, organosolv and soda lignins ', International Journal of Biological Macromolecules, vol. 106, pp. 979-987 . https://doi.org/10.1016/j.ijbiomac.2017.08.102
International Journal of Biological Macromolecules
Technical lignins are structurally heterogeneous and polydisperse. This work describes the use of a simple and green method for lignin fractionation, using different proportions of acetone (40 and 60%) in water. Lignins from three different sources (
Autor:
Arja Paananen, Anna-Stiina Jääskeläinen, Hannes Orelma, Kari Kammiovirta, Lauri Kuutti, Ulla Holopainen-Mantila, Anna Suurnäkki
Publikováno v:
Kammiovirta, K, Jääskeläinen, A-S, Kuutti, L, Holopainen-Mantila, U, Paananen, A, Suurnäkki, A & Orelma, H 2016, ' Keratin-reinforced cellulose filaments from ionic liquid solutions ', RSC Advances, vol. 6, no. 91, pp. 88797-88806 . https://doi.org/10.1039/C6RA20204G
Cellulose-based filaments produced with ionic liquid-based processes have high application potential in textiles and composites to replace cotton fibres. These filaments already have unique properties that could be further improved with the addition
Autor:
Maria Soledad Peresin, Tarja Tamminen, Anna Stiina Jääskeläinen, Alejandro Rodríguez, Eneko Larrañeta, Juan Domínguez-Robles
Publikováno v:
Dominguez Robles, J, Peresin, M S, Tamminen, T, Rodríguez, A, Larrañeta, E & Jääskeläinen, A-S 2018, ' Lignin-based hydrogels with “super-swelling” capacities for dye removal ', International Journal of Biological Macromolecules, vol. 115, pp. 1249-1259 . https://doi.org/10.1016/j.ijbiomac.2018.04.044
Domínguez-Robles, J, Peresin, M S, Tamminen, T, Rodríguez, A, Larrañeta, E & Jääskeläinen, A S 2018, ' Lignin-based hydrogels with “super-swelling” capacities for dye removal ', International Journal of Biological Macromolecules, vol. 115, pp. 1249-1259 . https://doi.org/10.1016/j.ijbiomac.2018.04.044
Domínguez-Robles, J, Peresin, M S, Tamminen, T, Rodríguez, A, Larrañeta, E & Jääskeläinen, A S 2018, ' Lignin-based hydrogels with “super-swelling” capacities for dye removal ', International Journal of Biological Macromolecules, vol. 115, pp. 1249-1259 . https://doi.org/10.1016/j.ijbiomac.2018.04.044
Lignin is a complex natural polymer and it is one of the main constituent of the lignocellulosic biomass. Moreover, it is a bio-renewable material and it is available in large amounts as by-product of residues from the wood and paper industries. Lign
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c71220b76235c7a72c6e7f9541b3f371
https://pure.qub.ac.uk/en/publications/ligninbased-hydrogels-with-superswelling-capacities-for-dye-removal(3781e424-2b84-4090-a08f-1a9f24a007da).html
https://pure.qub.ac.uk/en/publications/ligninbased-hydrogels-with-superswelling-capacities-for-dye-removal(3781e424-2b84-4090-a08f-1a9f24a007da).html