Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Jussi Helminen"'
Autor:
Daniel Rico del Cerro, Jussi Helminen, Michael Hummel, Tia Kakko, Laura Lemetti, Antti H. Rantamäki, Marianna Kemell, Jesper Långbacka, Ilari Filpponen, Sami Heikkinen, Alistair W. T. King, Tiina Laaksonen, Susanne K. Wiedmer, Ilkka Kilpeläinen
Publikováno v:
Chemsuschem
Laaksonen, T, Helminen, J K J, Lemetti, L, Långbacka, J, Rico del Cerro, D, Hummel, M, Filpponen, I, Rantamäki, A H, Kakko, T, Kemell, M L, Wiedmer, S K, Heikkinen, S, Kilpeläinen, I & King, A W T 2017, ' WtF-Nano : One-Pot Dewatering and Water-Free Topochemical Modification of Nanocellulose in Ionic Liquids or Γ-Valerolactone ', ChemSusChem, vol. 10, no. 24, pp. 4879-4890 . https://doi.org/10.1002/cssc.201701344
Laaksonen, T, Helminen, J K J, Lemetti, L, Långbacka, J, Rico del Cerro, D, Hummel, M, Filpponen, I, Rantamäki, A H, Kakko, T, Kemell, M L, Wiedmer, S K, Heikkinen, S, Kilpeläinen, I & King, A W T 2017, ' WtF-Nano : One-Pot Dewatering and Water-Free Topochemical Modification of Nanocellulose in Ionic Liquids or Γ-Valerolactone ', ChemSusChem, vol. 10, no. 24, pp. 4879-4890 . https://doi.org/10.1002/cssc.201701344
Ionic liquids are used to dewater a suspension of birch Kraft pulp cellulose nanofibrils (CNF) and as a medium for water-free topochemical modification of the nanocellulose (a process denoted as "WtF-Nano"). Acetylation was applied as a model reactio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6deb3e01774d2fad4da8b9413470961
http://juuli.fi/Record/0283471417
http://juuli.fi/Record/0283471417
Autor:
Paulus Hyväri, Alistair W. T. King, Antti H. Rantamäki, Gabriel Partl, Jussi Helminen, Susanne K. Wiedmer, Wen Chen
Publikováno v:
Scientific Reports
Scientific Reports, Vol 9, Iss 1, Pp 1-11 (2019)
Rantamäki, A H, Chen, W, Hyväri, P, Helminen, J, Partl, G, King, A W T & Wiedmer, S K 2019, ' Interactions of Ionic Liquids and Spirocyclic Compounds with Liposome Model Membranes. A Steady-State Fluorescence Anisotropy Study ', Scientific Reports, vol. 9, no. 1, 18349 . https://doi.org/10.1038/s41598-019-53893-w
Scientific Reports, Vol 9, Iss 1, Pp 1-11 (2019)
Rantamäki, A H, Chen, W, Hyväri, P, Helminen, J, Partl, G, King, A W T & Wiedmer, S K 2019, ' Interactions of Ionic Liquids and Spirocyclic Compounds with Liposome Model Membranes. A Steady-State Fluorescence Anisotropy Study ', Scientific Reports, vol. 9, no. 1, 18349 . https://doi.org/10.1038/s41598-019-53893-w
Understanding the toxicity of ionic liquids (ILs) is crucial in the search of greener chemicals. By comparing in vivo toxicity and in vitro interactions determined between compounds and biomimetic lipid membranes, more detailed toxicity vs. structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0443f3496f39db3e6735b764613ba9c8
https://doi.org/10.1038/s41598-019-53893-w
https://doi.org/10.1038/s41598-019-53893-w
Autor:
Sami Heikkinen, Valtteri Mäkelä, Jussi Helminen, Mikael Brosché, Lauri Vaahtera, Harri Koskela, Ilkka Kilpeläinen
To cope with vast amounts of data produced by metabolomic and mixture analysis using NMR, the employed analysis techniques and tools are very important. In this paper, we demonstrate quantitative 1H and 2D-JRES NMR analysis of Arabidopsis thaliana ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57670f2997fbbcb024f0a5cec521214a
Autor:
Nahla Osmanbegovic, Ilkka Kilpeläinen, Petri Uusi-Kyyny, Paulus Hyväri, Daniel Cederkrantz, Herbert Sixta, Jussi Helminen, Susanne K. Wiedmer, Zachariah Steven Baird, Joanna Witos, Ville Alopaeus, Artur Dahlberg
7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-ene (mTBD) has useful catalytic properties and can form an ionic liquid when mixed with an acid. Despite its potential usefulness, no data on its thermodynamic and transport properties are currently available
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4fb14e0ba2367941bec03ef4cc55ba00
http://hdl.handle.net/10138/304713
http://hdl.handle.net/10138/304713
Publikováno v:
Journal of Molecular Structure. 1226:129300
The calculations of 1H and 13C NMR chemical shifts were performed on three 5–5 lignin dimers, prominent substructures in softwood lignins, to compare with experimental data. Initially, 10 DFT functionals (B3LYP, B3PW91, BPV86, CAM-B3LYP, HCTH, HSEH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed2d00a655ec7df1abe7fb698b26025b
https://doi.org/10.1016/j.molstruc.2020.129300
https://doi.org/10.1016/j.molstruc.2020.129300
Publikováno v:
Journal of Magnetic Resonance. 271:34-39
Quantitative NMR has become increasingly useful and popular in recent years, with many new and emerging applications in metabolomics, quality control, reaction monitoring and other types of mixture analysis. While sensitive and simple to acquire, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dea7c95932b23d24c80927af2e7b2ee9
https://doi.org/10.1016/j.jmr.2016.08.003
https://doi.org/10.1016/j.jmr.2016.08.003
Autor:
Sherif Elsayed, Jussi Helminen, Sanna Hellsten, Chamseddine Guizani, Joanna Witos, Marja Rissanen, Antti H. Rantamäki, Paulus Hyväri, Pauliina Varis, Susanne K. Wiedmer, Ilkka Kilpeläinen, Herbert Sixta
Publikováno v:
ACS Sustainable Chemistry & Engineering. 8:18345-18345
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b19febdb9ea9e32b7850658be8fe448f
https://doi.org/10.1021/acssuschemeng.0c07773
https://doi.org/10.1021/acssuschemeng.0c07773
Autor:
Ronny Wahlström, Anna Suurnäkki, Stella Rovio, Uula Hyväkkö, Arno Parviainen, Ilkka Kilpeläinen, U. Liimatainen, Alistair W. T. King, Tiina Liitiä, Jussi Helminen
Publikováno v:
Parviainen, A, Wahlström, R, Liimatainen, U, Liitiä, T, Rovio, S, Helminen, J K J, Hyväkkö, U, King, A W T, Suurnäkki, A & Kilpeläinen, I 2015, ' Sustainability of cellulose dissolution and regeneration in 1,5-diazabicyclo[4.3.0]non-5-enium acetate: a batch simulation of the IONCELL-F process ', RSC Advances, vol. 5, pp. 69728-69737 . https://doi.org/10.1039/C5RA12386K
The recyclability of 1,5-diazabicyclo[4.3.0] non-5-enium acetate ([DBNH][OAc]), as a direct dissolution solvent for cellulose, was evaluated during laboratory scale recycling trials. The main objective was to simulate the conditions of a spinning bat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da27b00fd41d3e3ebfee456a7b4474ae
https://doi.org/10.1039/C5RA12386K
https://doi.org/10.1039/C5RA12386K
Autor:
Pauli Wrigstedt, Jussi Sipilä, Tuomo Leikoski, Jussi Helminen, Jari Yli-Kauhaluoma, Jorma Matikainen
Publikováno v:
Tetrahedron. 69:839-843
The Heck reaction of Wang resin-bound allylamine with aryl iodides produces various, substituted cinnamylamines. The catalyst and additive system consisting of palladium(II) acetate, n-Bu4NOAc and potassium chloride, in addition to potassium carbonat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ea461b3506276493d7453ce3796b144
https://doi.org/10.1016/j.tet.2012.10.092
https://doi.org/10.1016/j.tet.2012.10.092
Autor:
Dzmitry H. Zaitsau, Petri Uusi-Kyyny, Christoph Schick, Jussi Helminen, Artashes A. Khachatrian, Ville Alopaeus, Justine Bervas, Sergey P. Verevkin, Alistair W. T. King, Mikhail A. Varfolomeev, Alexandr Ostonen, Vladimir N. Emel’yanenko, Ilkka Kilpeläinen
Publikováno v:
Ostonen, A, Bervas, J, Uusi-Kyyny, P, Alopaeus, V, Zaitsau, D H, Emel'Yanenko, V N, Schick, C, King, A W T, Helminen, J, Kilpeläinen, I, Khachatrian, A A, Varfolomeev, M A & Verevkin, S P 2016, ' Experimental and Theoretical Thermodynamic Study of Distillable Ionic Liquid 1,5-Diazabicyclo[4.3.0]non-5-enium Acetate ', Industrial and Engineering Chemistry Research, vol. 55, no. 39, pp. 10445-10454 . https://doi.org/10.1021/acs.iecr.6b02417
A thermochemical study of the protic ionic liquid 1,5-diazabicyclo[4.3.0]non-5-enium acetate ([DBNH][OAc]), a prospective cellulose solvent considered for the Ioncell-F process, was carried out. The heat capacities of 1,5-diazabicyclo[4.3.0]non-5-ene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c106c621773126a8d143ebe289fcfcea
https://cris.vtt.fi/en/publications/0531b6a1-4985-4cf2-8670-9dffdae8eb61
https://cris.vtt.fi/en/publications/0531b6a1-4985-4cf2-8670-9dffdae8eb61