Chiral self-assembly of cellulose nanocrystals is driven by crystallite bundles

Autor: Thomas G. Parton, Richard M. Parker, Gea T. van de Kerkhof, Aurimas Narkevicius, Johannes S. Haataja, Bruno Frka-Petesic, Silvia Vignolini

Publikováno v: Nature Communications, Vol 13, Iss 1, Pp 1-9 (2022)

Chirality transfer across length-scales is an intriguing phenomenon but connecting the properties of individual building blocks to the emergent features of their resulting large-scale structure remains challenging. Here, the authors investigate the o

Externí odkaz: https://doaj.org/article/3fdfff9a090b47708dbc9e3cee0aa83d

Brilliant whiteness in shrimp from ultra-thin layers of birefringent nanospheres

Autor: Tali Lemcoff, Lotem Alus, Johannes S. Haataja, Avital Wagner, Gan Zhang, Mariela J. Pavan, Venkata Jayasurya Yallapragada, Silvia Vignolini, Dan Oron, Lukas Schertel, Benjamin A. Palmer

Funding Information: We thank A. Upcher for assistance with transmission electron microscopy. We acknowledge the Swiss Light Source for providing synchrotron radiation facilities, and thank V. Olieric and T. Tomikazi for their assistance in using bea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6c30172c015d332ee829fbc0eb515566
https://aaltodoc.aalto.fi/handle/123456789/121439

Direct Observation of Topological Defects in Striped Block Copolymer Discs and Polymersomes

Autor: Chin Ken Wong, Marcelo A. Dias, Johannes S. Haataja, André H. Gröschel, Tina I. Gröschel

Publikováno v: Gröschel, T I, Wong, C K, Haataja, J S, Dias, M A & Gröschel, A H 2020, ' Direct Observation of Topological Defects in Striped Block Copolymer Discs and Polymersomes ', ACS Nano, vol. 14, no. 4, pp. 4829-4838 . https://doi.org/10.1021/acsnano.0c00718

Topology and defects are of fundamental importance for ordered structures on all length scales. Despite extensive research on block copolymer self-assembly in solution, knowledge about topological defects and their effect on nanostructure formation h

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cab0d02d1e0a1e29153eb042d027a30
https://pubmed.ncbi.nlm.nih.gov/32243133

Efficient Encapsulation of Fluorinated Drugs in the Confined Space of Water-Dispersible Fluorous Supraparticles

Autor: Ilaria Tirotta, Pierangelo Metrangolo, Francesca Baldelli Bombelli, Claire Michelet, Nonappa, Johannes S. Haataja, Daniele Maiolo, Claudia Pigliacelli, Heinz Amenitsch, Paola Sánchez Moreno

Publikováno v: Angewandte Chemie. 129:16404-16408

Fluorophobic-driven assemblies of gold nanomaterials were stabilized into water-dispersible fluorous supraparticles by the film-forming protein hydrophobin II. The strategy makes use of fluorous nanomaterials of different dimensions to engineer size

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5efd6b7a5c727f3533d3a5467ced5e55
https://doi.org/10.1002/ange.201710230

Marcromolecular Architecture and Encapsulation of the Anticancer Drug Everolimus Control the Self-Assembly of Amphiphilic Polypeptide-Containing Hybrids

Autor: Anastasis Karatzas, Johannes S. Haataja, Dimitrios Skoulas, Panayiotis Bilalis, Spyridon Varlas, Panagiota Apostolidi, Sosanna Sofianopoulou, Efstratios Stratikos, Nikolay Houbenov, Olli Ikkala, Hermis Iatrou

Publikováno v: Biomacromolecules. 20(12)

Macromolecular architecture plays an important role in the self-assembly process of block copolymer amphiphiles. Herein, two series of stimuli-responsive amphiphilic 3-miktoarm star hybrid terpolypeptides and their corresponding linear analogues were

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3eade271495539e87b64fc09375dd17a
https://pubmed.ncbi.nlm.nih.gov/32134634