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Self-Assembly of Asymmetrically Functionalized Titania Nanoparticles into Nanoshells

Svensson, Fredric and Seisenbaeva, Gulaim and Kotov, Nicholas and Kessler, Vadim (2020). Self-Assembly of Asymmetrically Functionalized Titania Nanoparticles into Nanoshells. Materials. 13 , 4856
[Research article]

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Abstract

Titania (anatase) nanoparticles were anisotropically functionalized in water-toluene Pickering emulsions to self-assemble into nanoshells with diameters from 500 nm to 3 mu m as candidates for encapsulation of drugs and other compounds. The water-phase contained a hydrophilic ligand, glucose-6-phosphate, while the toluene-phase contained a hydrophobic ligand, n-dodecylphosphonic acid. The addition of a dilute sodium alginate suspension that provided electrostatic charge was essential for the self-limited assembly of the nanoshells. The self-assembled spheres were characterized by scanning electron microscopy, elemental mapping, and atomic force microscopy. Drug release studies using tetracycline suggest a rapid release dominated by surface desorption.

Authors/Creators:Svensson, Fredric and Seisenbaeva, Gulaim and Kotov, Nicholas and Kessler, Vadim
Title:Self-Assembly of Asymmetrically Functionalized Titania Nanoparticles into Nanoshells
Series Name/Journal:Materials
Year of publishing :2020
Volume:13
Article number:4856
Number of Pages:11
Publisher:MDPI
ISSN:1996-1944
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 2 Engineering and Technology > 210 Nano Technology > Nano Technology
Keywords:self-assembly, nanoshells (hollow spheres), janus particles, pickering emulsion
URN:NBN:urn:nbn:se:slu:epsilon-p-112373
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-112373
Additional ID:
Type of IDID
DOI10.3390/ma13214856
Web of Science (WoS)000589317200001
ID Code:24560
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Department of Molecular Sciences
Deposited By: SLUpub Connector
Deposited On:17 Jun 2021 12:03
Metadata Last Modified:17 Jun 2021 12:11

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