Research output per year
Research output per year
- 1 - 50 out of 71 results
Search results
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2022
Cellulose dissolution and gelation in NaOH(aq) under controlled CO2 atmosphere: supramolecular structure and flow properties
Reyes, G., King, A. W. T., Koso, T. V., Penttilä, P. A., Kosonen, H. & Rojas, O. J., 21 Oct 2022, In: Green Chemistry. 24, 20, p. 8029-8035 7 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile3 Citations (Scopus)12 Downloads (Pure) -
Degradation of cellulose polymorphs into glucose by HCl gas with simultaneous suppression of oxidative discoloration
Wang, Y., Pääkkönen, T., Miikki, K., Maina, N. H., Nieminen, K., Zitting, A., Penttilä, P., Tao, H. & Kontturi, E., 15 Feb 2023, In: Carbohydrate Polymers. 302, 9 p., 120388.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile1 Citation (Scopus)17 Downloads (Pure) -
Effect of Moisture on Polymer Deconstruction in HCl Gas Hydrolysis of Wood
Lourençon, T., Altgen, M., Pääkkönen, T., Guccini, V., Penttilä, P., Kontturi, E. & Rautkari, L., 1 Mar 2022, In: ACS Omega. 7, 8, p. 7074–7083Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile45 Downloads (Pure) -
Nanoscale Mechanism of Moisture-Induced Swelling in Wood Microfibril Bundles
Paajanen, A., Zitting, A., Rautkari, L., Ketoja, J. A. & Penttilä, P. A., 13 Jul 2022, In: Nano Letters. 22, 13, p. 5143-5150Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile3 Citations (Scopus)27 Downloads (Pure) -
New tools to study water interactions of microfibril bundles: Molecular modelling based on nanoscale characterization
Paajanen, A., Penttilä, P., Zitting, A. & Ketoja, J. A., 1 Sep 2022, Advances in Pulp and Paper Research, Cambridge 2022: Transactions of the 17th Fundamental Research Symposium. Coffin, D. W. & Batchelor, W. J. (eds.). Pulp and Paper Fundamental Research Society (FRC), Vol. 1. p. 483 494 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review
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Size-dependent filling effect of crystalline celluloses in structural engineering of composite oleogels
Bhattarai, M., Penttilä, P., Barba, L., Macias-Rodriguez, B., Hietala, S., Mikkonen, K. S. & Valoppi, F., 15 Apr 2022, In: LWT. 160, 10 p., 113331.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile1 Citation (Scopus)18 Downloads (Pure) -
Spatioselective surface chemistry for the production of functional and chemically anisotropic nanocellulose colloids
Heise, K., Koso, T., King, A. W. T., Nypelö, T., Penttilä, P., Tardy, B. L. & Beaumont, M., 28 Nov 2022, In: Journal of Materials Chemistry A. 10, 44, p. 23413-23432 20 p.Research output: Contribution to journal › Review Article › peer-review
Open AccessFile10 Downloads (Pure) -
2021
Combining scattering analysis and atomistic simulation of wood-water interactions
Penttilä, P. A., Paajanen, A. & Ketoja, J. A., 1 Jan 2021, In: Carbohydrate Polymers. 251, 7 p., 117064.Research output: Contribution to journal › Review Article › peer-review
Open AccessFile5 Citations (Scopus)111 Downloads (Pure) -
Deswelling of microfibril bundles in drying wood studied by small-angle neutron scattering and molecular dynamics
Zitting, A., Paajanen, A., Rautkari, L. & Penttilä, P. A., Nov 2021, In: Cellulose. 28, 17, p. 10765-10776 12 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile4 Citations (Scopus)33 Downloads (Pure) -
Directed Assembly of Cellulose Nanocrystals in Their Native Solid-State Template of a Processed Fiber Cell Wall
Solala, I., Driemeier, C., Mautner, A., Penttilä, P. A., Seitsonen, J., Leppänen, M., Mihhels, K. & Kontturi, E., Jun 2021, In: Macromolecular Rapid Communications. 42, 12, 5 p., 2100092.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile6 Citations (Scopus)37 Downloads (Pure) -
Experimental and Simulation Study of the Solvent Effects on the Intrinsic Properties of Spherical Lignin Nanoparticles
Zou, T., Nonappa, N., Khavani, M., Vuorte, M., Penttilä, P., Zitting, A., Valle-Delgado, J. J., Elert, A. M., Silbernagl, D., Balakshin, M., Sammalkorpi, M. & Österberg, M., 11 Nov 2021, In: Journal of Physical Chemistry B. 125, 44, p. 12315-12328 14 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile176 Downloads (Pure) -
Green Fabrication Approaches of Lignin Nanoparticles from Different Technical Lignins: A Comparison Study
Figueiredo, P., Lahtinen, M., Agustin, M. B., Morais de Carvalho, D., Hirvonen, S-P., Penttilä, P. & Mikkonen, K. S., 4 Nov 2021, In: ChemSusChem. 14, 21, p. 4718-4730 13 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile9 Citations (Scopus)34 Downloads (Pure) -
Water-accessibility of interfibrillar spaces in spruce wood cell walls
Penttilä, P. A., Zitting, A., Lourençon, T., Altgen, M., Schweins, R. & Rautkari, L., Dec 2021, In: Cellulose. 28, 18, p. 11231-11245 15 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile5 Citations (Scopus)31 Downloads (Pure) -
2020
Bundling of cellulose microfibrils in native and polyethylene glycol-containing wood cell walls revealed by small-angle neutron scattering
Penttilä, P. A., Altgen, M., Awais, M., Österberg, M., Rautkari, L. & Schweins, R., 30 Nov 2020, In: Scientific Reports. 10, 1, 9 p., 20844.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile10 Citations (Scopus)36 Downloads (Pure) -
Lignin-fatty acid hybrid nanocapsules for scalable thermal energy storage in phase-change materials
Sipponen, M. H., Henn, A., Penttilä, P. & Österberg, M., 1 Aug 2020, In: Chemical Engineering Journal. 393, 12 p., 124711.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile42 Citations (Scopus)9 Downloads (Pure) -
Moisture-related changes in the nanostructure of woods studied with X-ray and neutron scattering
Penttilä, P. A., Altgen, M., Carl, N., van der Linden, P., Morfin, I., Österberg, M., Schweins, R. & Rautkari, L., 1 Jan 2020, In: Cellulose. 27, p. 71-87 17 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile25 Citations (Scopus)46 Downloads (Pure) -
Observing microfibril bundles in wood by small-angle neutron scattering
Penttilä, P., Altgen, M., Awais, M., Zitting, A., Österberg, M., Schweins, R. & Rautkari, L., 2020.Research output: Contribution to conference › Paper › Scientific
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Production of High Solid Nanocellulose by Enzyme-Aided Fibrillation Coupled with Mild Mechanical Treatment
Pere, J., Tammelin, T., Niemi, P., Lille, M., Virtanen, T., Penttilä, P., Ahvenainen, P. & Grönqvist, S., 28 Dec 2020, In: ACS Sustainable Chemistry and Engineering. 8, 51, p. 18853-18863 11 p.Research output: Contribution to journal › Article › Scientific › peer-review
10 Citations (Scopus) -
Simulation-assisted scattering analysis of drying-related changes in wood microfibril bundles
Zitting, A., Paajanen, A., Rautkari, L. & Penttilä, P., 2020.Research output: Contribution to conference › Paper › Scientific
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SIMULATION-ASSISTED SCATTERING ANALYSIS OF MOISTURE-INDUCED SWELLING IN WOOD MICROFIBRIL BUNDLES
Zitting, A., Paajanen, A., Ketoja, J. A., Rautkari, L. & Penttilä, P., 2020.Research output: Contribution to conference › Paper › Scientific
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Ultrastructural X-ray scattering studies of tropical and temperate hardwoods used as tonewoods
Viljanen, M., Ahvenainen, P., Penttilä, P., Help, H. & Svedström, K. J., 1 Jul 2020, In: IAWA JOURNAL. 41, 3, p. 301-319 19 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile1 Citation (Scopus)39 Downloads (Pure) -
X-ray and neutron scattering for studying moisture in the nanostructure of wood cell walls
Penttilä, P., Schweins, R., Österberg, M. & Rautkari, L., 2020.Research output: Contribution to conference › Paper › Scientific
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X-RAY AND NEUTRON SCATTERING STUDIES OF NANOSCALEWOOD–WATER INTERACTIONS
Penttilä, P., Zitting, A., Schweins, R., Österberg, M. & Rautkari, L., 2020.Research output: Contribution to conference › Paper › Scientific
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2019
Analysing the nanoscale moisture behavior of wood with small-angle scattering
Penttilä, P., Carl, N., Schweins, R., Altgen, M., Österberg, M. & Rautkari, L., 2019.Research output: Contribution to conference › Paper › Scientific
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Investigating the nanostructure of cellulosic materials with small-angle scattering
Penttila, P., Carl, N., Schweins, R., Altgen, M., Osterberg, M. & Rautkari, L., 31 Mar 2019, In: Abstracts of papers of the American Chemical Society. 257, 2 p.Research output: Contribution to journal › Meeting Abstract › Scientific › peer-review
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Moisture-induced changes in wood nanostructure studied with x-ray and neutron scattering
Penttilä, P., Altgen, M., Carl, N., Österberg, M., Schweins, R. & Rautkari, L., 2019.Research output: Contribution to conference › Paper › Scientific
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Observation of in vitro cellulose synthesis by bacterial cellulose synthase with time-resolved small angle X-ray scattering
Tajima, H., Penttilä, P. A., Imai, T., Yamamoto, K. & Yuguchi, Y., 1 Jun 2019, In: International Journal of Biological Macromolecules. 130, p. 765-777 13 p.Research output: Contribution to journal › Article › Scientific › peer-review
7 Citations (Scopus) -
Observing moisture-related changes in wood nanostructure with X-Ray and neutron scattering
Penttilä, P., Altgen, M., Carl, N., van der Linden, P., Morfin, I., Österberg, M., Schweins, R. & Rautkari, L., 2019.Research output: Contribution to conference › Paper › Scientific
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Phospholipid-Based Reverse Micelle Structures in Vegetable Oil Modified by Water Content, Free Fatty Acid, and Temperature
Penttilä, P. A., Vierros, S., Utriainen, K., Carl, N., Rautkari, L., Sammalkorpi, M. & Österberg, M., 25 Jun 2019, In: Langmuir. 35, 25, p. 8373-8382 10 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile13 Citations (Scopus)147 Downloads (Pure) -
Rapid and Direct Preparation of Lignin Nanoparticles from Alkaline Pulping Liquor by Mild Ultrasonication
Agustin, M. B., Penttilä, P. A., Lahtinen, M. & Mikkonen, K. S., 2019, In: ACS Sustainable Chemistry and Engineering. 7, 24, p. 19925 − 19934Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile41 Citations (Scopus)40 Downloads (Pure) -
Small-angle scattering model for characterizing wood nanostructure and moisture behavior
Penttilä, P., Schweins, R., Rautkari, L. & Österberg, M., 2019.Research output: Contribution to conference › Paper › Scientific
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Small-angle scattering model for efficient characterization of wood nanostructure and moisture behaviour
Penttilä, P. A., Rautkari, L., Österberg, M. & Schweins, R., 26 Mar 2019, In: Journal of Applied Crystallography. 52, 2, p. 369-377 9 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile22 Citations (Scopus)202 Downloads (Pure) -
Small-angle scattering studies on biomimetic composites of bacterial cellulose and wood hemicelluloses
Penttilä, P., Imai, T., Schweins, R. & Sugiyama, J., 2019, In: Abstracts of papers of the American Chemical Society. 257Research output: Contribution to journal › Meeting Abstract › Scientific › peer-review
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Sustainable High Yield Route to Cellulose Nanocrystals from Bacterial Cellulose
Pääkkönen, T., Spiliopoulos, P., Nonappa, N., Kontturi, K. S., Penttilä, P., Viljanen, M., Svedström, K. J. & Kontturi, E., 16 Aug 2019, In: ACS Sustainable Chemistry and Engineering. 7, 17, p. 14384−14388 5 p.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile26 Citations (Scopus)239 Downloads (Pure) -
WoodSAS: Small-angle scattering model tailored for fitting the equatorial intensity profile from wood samples
Penttilä, P., 15 Mar 2019Research output: Other contribution › Scientific
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2018
Biomimetic composites of deuterated bacterial cellulose and hemicelluloses studied with small-angle neutron scattering
Penttilä, P. A., Imai, T., Sugiyama, J. & Schweins, R., Jul 2018, In: European Polymer Journal. 104, p. 177-183 7 p.Research output: Contribution to journal › Article › Scientific › peer-review
2 Citations (Scopus) -
Enzymatic hydrolysis of biomimetic bacterial cellulose–hemicellulose composites
Penttilä, P. A., Imai, T., Hemming, J., Willför, S. & Sugiyama, J., 15 Jun 2018, In: Carbohydrate Polymers. 190, p. 95-102 8 p.Research output: Contribution to journal › Article › Scientific › peer-review
18 Citations (Scopus) -
Multimethod approach to understand the assembly of cellulose fibrils in the biosynthesis of bacterial cellulose
Penttilä, P. A., Imai, T., Capron, M., Mizuno, M., Amano, Y., Schweins, R. & Sugiyama, J., 1 May 2018, In: Cellulose. 25, 5, p. 2771-2783 13 p.Research output: Contribution to journal › Article › Scientific › peer-review
13 Citations (Scopus) -
Small-angle scattering methods for efficient characterization of wood nanostructure and moisture behavior
Penttilä, P., Rautkari, L., Österberg, M. & Schweins, R., 2018.Research output: Contribution to conference › Paper › Scientific
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2017
Fibrillar assembly of bacterial cellulose in the presence of wood-based hemicelluloses
Penttilä, P. A., Imai, T. & Sugiyama, J., 1 Sep 2017, In: International Journal of Biological Macromolecules. 102, p. 111-118 8 p.Research output: Contribution to journal › Article › Scientific › peer-review
13 Citations (Scopus) -
2016
Degradation and Crystallization of Cellulose in Hydrogen Chloride Vapor for High-Yield Isolation of Cellulose Nanocrystals
Kontturi, E., Meriluoto, A., Penttilä, P. A., Baccile, N., Malho, J. M., Potthast, A., Rosenau, T., Ruokolainen, J., Serimaa, R., Laine, J. & Sixta, H., 2016, In: Angewandte Chemie. 55, 46, p. 14453-14456Research output: Contribution to journal › Article › Scientific › peer-review
102 Citations (Scopus) -
Effects of reaction conditions on cellulose structures synthesized in vitro by bacterial cellulose synthases
Penttilä, P. A., Sugiyama, J. & Imai, T., 20 Jan 2016, In: Carbohydrate Polymers. 136, p. 656-666 11 p.Research output: Contribution to journal › Article › Scientific › peer-review
9 Citations (Scopus) -
Softwood-based sponge gels
Alakalhunmaa, S., Parikka, K., Penttilä, P. A., Cuberes, M. T., Willför, S., Salmén, L. & Mikkonen, K. S., 1 Oct 2016, In: Cellulose. 23, 5, p. 3221-3238 18 p.Research output: Contribution to journal › Article › Scientific › peer-review
15 Citations (Scopus) -
2015
Impact of mechanical and enzymatic pretreatments on softwood pulp fiber wall structure studied with NMR spectroscopy and X-ray scattering
Virtanen, T. A. P., Penttilä, P. A., Maloney, T., Grönqvist, S., Kamppuri, T., Vehviläinen, M., Serimaa, R. & Maunu, S. L., 2015, In: Cellulose. 22, 3, p. 1565-1576Research output: Contribution to journal › Article › Scientific › peer-review
14 Citations (Scopus) -
The yield of cellulose precipitate from sub- and supercritical water treatment of various microcrystalline celluloses
Tolonen, L. K., Penttilä, P. A., Serimaa, R. & Sixta, H., 2015, In: Cellulose. 22, 3, p. 1715-1728Research output: Contribution to journal › Article › Scientific › peer-review
6 Citations (Scopus) -
2014
Cellulose degradation in alkaline media upon acidic pretreatment and stabilisation
Testova, L., Nieminen, K., Penttilä, P. A., Serimaa, R., Potthast, A. & Sixta, H., 2014, In: Carbohydrate Polymers. 100, p. 185-194Research output: Contribution to journal › Article › Scientific › peer-review
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Dissolving-grade birch pulps produced under various prehydrolysis intensities: Quality, structure and applications
Testova, L., Borrega, M., Tolonen, L. K., Penttilä, P. A., Serimaa, R., Larsson, P. T. & Sixta, H., 2014, In: Cellulose. 21, 3, p. 2007-2021Research output: Contribution to journal › Article › Scientific › peer-review
38 Citations (Scopus) -
Significance of xylan on the stability and water interactions of cellulosic nanofibrils
Tenhunen, T-M., Peresin, M. S., Penttilä, P. A., Pere, J., Serimaa, R. & Tammelin, T., Dec 2014, In: Reactive and Functional Polymers. 85, p. 157-166 10 p.Research output: Contribution to journal › Article › Scientific › peer-review
48 Citations (Scopus) -
The structure of Lactobacillus brevis surface layer reassembled on liposomes differs from native structure as revealed by SAXS
Kontro, I., Wiedmer, S. K., Hynönen, U., Penttilä, P. A., Palva, A. & Serimaa, R., Aug 2014, In: Biochimica et Biophysica Acta - Biomembranes. 1838, 8, p. 2099-2104 6 p.Research output: Contribution to journal › Article › Scientific › peer-review
9 Citations (Scopus) -
2013
Effects of pressurised hot water extraction on the structure of birch sawdust
Penttilä, P. A., Kilpeläinen, P., Tolonen, L., Suuronen, J-P., Sixta, H., Willför, S. & Serimaa, R., 2013, COST MC and WGs joint meeting, Action BM1206, Oct 21-23, Edinburgh, GB.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific