Sähköposti
[email protected]
Tutkimusryhmät
- Bioproduct Chemistry, Coordinator
Julkaisut
Recycling of acid-superbase conjugate ionic liquids by water removal in the lyocell spinning process
Herbert Sixta, Sherif Elsayed, Inge Schlapp-Hackl, Joanna Witos, Sanna Hellsten, Petri Uusi-Kyyny, Michael Hummel, Ville Alopaeus
2023
Application-Related Consideration of the Thermal Stability of [mTBDH][OAc] Compared to Amidine-Based Ionic Liquids in the Presence of Various Amounts of Water
Inge Schlapp-Hackl, Joanna Witos, Krishna Ojha, Petri Uusi-Kyyny, Ville Alopaeus, Herbert Sixta
2022
Industrial & Engineering Chemistry Research
Vapor-Liquid Equilibrium of Ionic Liquid 7-Methyl-1,5,7-triazabicyclo[4.4.0]dec-5-enium Acetate and Its Mixtures with Water
Zachariah Steven Baird, Petri Uusi-Kyyny, Joanna Witos, Antti H. Rantamäki, Herbert Sixta, Susanne K. Wiedmer, Ville Alopaeus
2020
Journal of Chemical and Engineering Data
Immobilization of natural lipid biomembranes and their interactions with choline carboxylates. A nanoplasmonic sensing study
Filip Duša, Wen Chen, Joanna Witos, Antti H. Rantamäki, Alistair W.T. King, Evangelos Sklavounos, Michal Roth, Susanne K. Wiedmer
2020
Biochimica et Biophysica Acta - Biomembranes
Erratum
Sherif Elsayed, Jussi Helminen, Sanna Hellsten, Chamseddine Guizani, Joanna Witos, Marja Rissanen, Antti H. Rantamaki, Paulus Hyvari, Pauliina Varis, Susanne K. Wiedmer, Ilkka Kilpelainen, Herbert Sixta
2020
ACS Sustainable Chemistry and Engineering
Limitations of Cellulose Dissolution and Fiber Spinning in the Lyocell Process Using [mTBDH][OAc] and [DBNH][OAc] Solvents
Sherif Elsayed, Benjamin Viard, Chamseddine Guizani, Sanna Hellsten, Joanna Witos, Herbert Sixta
2020
Industrial and Engineering Chemistry Research
Recycling of Superbase-Based Ionic Liquid Solvents for the Production of Textile-Grade Regenerated Cellulose Fibers in the Lyocell Process
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
2020
ACS Sustainable Chemistry and Engineering
Quantitative Raman spectroscopy for the Ioncell® process Part 2—quantification of ionic liquid degradation products and improvement of prediction performance through interval PLS
Chamseddine Guizani, Sanna Hellstén, Joanna Witos, Mikko Mäkelä, Michael Hummel, Herbert Sixta
2020
Cellulose
Quantitative Raman spectroscopy for the Ioncell (TM) process. Part 1 : comparison of univariate and multivariate calibration methods for the quantification of water and protic ionic liquid components
Chamseddine Guizani, Sanna Hellsten, Joanna Witos, Herbert Sixta
2020
Cellulose
CE and asymmetrical flow-field flow fractionation studies of polymer interactions with surfaces and solutes reveal conformation changes of polymers
Joanna Witos, Erno Karjalainen, Heikki Tenhu, Susanne K. Wiedmer
2020
Journal of Separation Science