Research Output per year
Research Output per year
Personal profile
Artistic and research interests
Members of my BiCMat group conduct multidisciplinary research with our core activities involving biobased materials at different size scales, mainly those displaying large interfacial areas such as fibers (micro/nano fibers), fiber networks, particles and colloidal systems. Some examples of materials of interest include nano/microfibrillar cellulose, cellulose nanocrystals, lignin particles, fat colloids, chitin, alginates, proteins and biopolymer assemblies. Typical efforts in our labs involve thin films, cellulose derivatives, enzymes and bio-based dispersions, emulsions, foams, gels, aerogels and others. We study the adsorption behaviors of surfactants and biopolymers at interphases and at the solid/liquid and liquid/air interfaces using techniques such as piezoelectric and surface plasmon sensing, XPS and other spectroscopic techniques, AFM, imaging, light scattering, etc.
Keywords
- Colloids
- Nanotecnology
- Nanofibrillar cellulose
- Chemical Engineering
- Cellulosic surfaces
- Surface chemistry
- Polymer physics
- Soft matter
- Nanocellulose
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Research Output
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Associative structures formed from cellulose nanofibrils and nanochitins are pH-responsive and exhibit tunable rheology
Facchine, E. G., Bai, L., Rojas, O. J. & Khan, S. A., 15 Apr 2021, In : Journal of Colloid and Interface Science. 588, p. 232-241 10 p.Research output: Contribution to journal › Article › Scientific › peer-review
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Impact of incubation conditions and post-treatment on the properties of bacterial cellulose membranes for pressure-driven filtration
Lehtonen, J., Chen, X., Beaumont, M., Hassinen, J., Orelma, H., Dumée, L. F., Tardy, B. & Rojas Gaona, O., 1 Jan 2021, In : Carbohydrate Polymers. 251, 9 p., 117073.Research output: Contribution to journal › Article › Scientific › peer-review
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Partitioning of the milk fat globule membrane between buttermilk and butter serum is determined by the thermal behaviour of the fat
Hokkanen, S. P., Partanen, R., Jukkola, A., Frey, A. D. & Rojas Gaona, O., Jan 2021, In : International Dairy Journal. 112, 104863.Research output: Contribution to journal › Article › Scientific › peer-review
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Transparent films by ionic liquid welding of cellulose nanofibers and polylactide: Enhanced biodegradability in marine environments
Niu, X., Huan, S., Li, H., Pan, H. & Rojas, O. J., 15 Jan 2021, In : JOURNAL OF HAZARDOUS MATERIALS. 402, 8 p., 124073.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile -
All-Aqueous Liquid Crystal Nanocellulose Emulsions with Permeable Interfacial Assembly
Bai, L., Huan, S., Zhao, B., Zhu, Y., Esquena, J., Chen, F., Gao, G., Zussman, E., Chu, G. & Rojas, O. J., 27 Oct 2020, In : ACS Nano. 14, 10, p. 13380-13390 11 p.Research output: Contribution to journal › Article › Scientific › peer-review
Projects
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TUTLI-SolvingtheMesh WP1 Techn
01/02/2020 → 31/12/2021
Project: Business Finland: New business from research ideas (TUTLI)
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BioELCell: Bioproducts Engineered from Lignocelluloses: from plants and upcycling to next generation materials
Majoinen, J., Rojas Gaona, O., Zhao, B., Dufau Mattos, B., Tardy, B., Johansson, L., Meng, Y., Klockars, K., Kämäräinen, T., Usai, L. & Abidnejad, R.
30/07/2018 → 31/12/2023
Project: EU: ERC grants
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FlagShip CERES Common
Khatir, A., Hassinen, J. & Rojas Gaona, O.
01/05/2018 → 30/04/2022
Project: Academy of Finland: Other research funding
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INNPAPER: Innovative and Smart Printed Electronics based on Multifunctionalized Paper: from Smart Labelling to Point of Care Bioplatforms
Borghei, M., Solin, K., Imani, M., Rojas Gaona, O., Johansson, L. & Kämäräinen, T.
01/01/2018 → 31/12/2021
Project: EU: Framework programmes funding
Prizes
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Best Paper Award 2015 Bioresource Technology, Netherlands
Rojas Gaona, Orlando (Recipient), 2015
Prize: Award or honor granted for a specific work
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Divisional Service Award, American Chemical Society
Rojas Gaona, Orlando (Recipient), 2009
Prize: Award or honor granted for a specific work
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Fellow of the American Chemical Society
Rojas Gaona, Orlando (Recipient), Jul 2013
Prize: Award or honor granted for academic career
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Foreign Member of the Finnish Academy of Science and Letters
Rojas Gaona, Orlando (Recipient), 2017
Prize: Award or honor granted for academic career
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Imerys FiberLean Prize IMERYS, USA
Rojas Gaona, Orlando (Recipient), 2015
Prize: Award or honor granted for a specific work
Activities
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Chronicle of an Art and Science Collaboration
Lily Diaz-Kommonen (Speaker), Orlando Rojas Gaona (Speaker), Janika Lehtonen (Speaker), Luiz Garcia Greca (Speaker) & Gautam Vishwanath (Speaker)
13 Sep 2020Activity: Talk or presentation types › Conference presentation
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Synthesis of polyphenol-based nano- and microparticles from tannic acid
Tero Kämäräinen (Speaker), Mariko Ago (Contributor), Luiz Garcia Greca (Contributor), Blaise Tardy (Contributor), Markus Müllner (Contributor), Leena-Sisko Johansson (Contributor) & Orlando Rojas Gaona (Contributor)
4 Apr 2019Activity: Talk or presentation types › Conference presentation
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Harmonic analysis of surface instability patterns on colloidal lignin
Tero Kämäräinen (Speaker), Mariko Ago (Contributor), Jani Seitsonen (Contributor), Janne Raula (Contributor), Esko Kauppinen (Contributor), Janne Ruokolainen (Contributor) & Orlando Rojas Gaona (Contributor)
1 Apr 2019Activity: Talk or presentation types › Conference presentation
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Textiles Tomorrow Summit
Kirsi Niinimäki (Chair), Pirjo Kääriäinen (Chair), Maarit Salolainen (Chair), Tiina Paavilainen (Organiser), Petra Haikonen (Organiser), Hilkka-Maija Fagerlund (Organiser), Pirita Lauri (Organiser), Anna-Mari Leppisaari (Organiser), Oldouz Moslemian (Organiser), Lidewij Edelkoort (Member), Michael Hummel (Participant), Harri Puputti (Participant), Helena Hyvönen (Participant), Zane Berzina (Participant), Mark Van Vorstenbos (Participant), Kati Miettunen (Participant), Jouni Partanen (Participant), Orlando Rojas Gaona (Participant), Yu Xiao (Participant), Hil Driessen (Participant), Tonje Kristensen Johnstone (Participant), Essi Johanna Glomb (Participant), Marija Jenko (Participant), Preethi Gopinath (Participant), Gabriel Asfour (Participant), Maartje Boer (Participant), Tina Downes (Participant), Beata Hamalwa (Participant), Louise Ravnlokke (Participant), Karen Marie Hasling (Participant), Riikka Räisänen (Participant), Alexia Venot (Participant), Antonin Mongin (Participant), Jenni Fisk (Participant), Mari Nurmenniemi (Participant), Elina Laitinen (Participant), Talisa Dwiyani (Participant), Outi Les Pyy (Participant), Maarit Aakko (Organiser), Marium Durrani (Organiser), Essi Karell (Organiser), Emmi Pakkanen (Organiser), Jenna Ervasti (Organiser), Eeva Suorlahti (Organiser), Hanna-Kaisa Korolainen (Organiser), Tiina Saivo (Organiser) & Helmi Liikanen (Organiser)
30 Oct 2019 → 31 Oct 2019Activity: Participating in or organising an event types › Membership of a scientific or program committee of a conference or seminar
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Aalto University (Organisational unit)
Orlando Rojas Gaona (Chair)
2017Activity: Membership types › Position of trust in an academic community
Press / Media
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British Scientists Develop A Biodegradable Face Mask
28/12/2020
2 items of Media coverage
Press/Media: Media appearance
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Tutkijat valjastivat bakteerit 3D-tulostimiksi
Luiz Garcia Greca & Orlando Rojas Gaona
11/12/2020
1 item of Media coverage
Press/Media: Media appearance
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Scientists use bacteria as micro-3D printers
Orlando Rojas Gaona & Blaise Tardy
10/11/2020 → 16/11/2020
4 items of Media coverage
Press/Media: Media appearance
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Bakteerit tulostavat 3d-rakenteita nanosellusta
Luiz Garcia Greca & Orlando Rojas Gaona
12/11/2020
1 item of Media coverage
Press/Media: Media appearance
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Scientists use bacteria to produce 3D objects made of nanocellulose
Orlando Rojas Gaona & Blaise Tardy
11/11/2020
1 item of Media coverage
Press/Media: Media appearance