Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8900
Title: Preparation of albumin nanoparticles in water-in-ionic liquid microemulsions
Authors: Demirkurt, Begüm
Çakan Akdoğan, Gülçin
Akdoğan, Yaşar
Keywords: Ionic liquids
Albumin nanoparticles
Microemuision
Surfactant
High speed homogenization
Issue Date: 2019
Publisher: Elsevier Ltd.
Abstract: Ionic liquids (Its) with a variety of properties have been considered a unique class of solvents. Using ILs in microemulsions as oil substitutes provides environmentally benign media for various applications including nanoparticle synthesis. Here, bovine serum albumin nanoparticles (BSA NPs) widely used in drug delivery studies were prepared in nano-sized water droplets of water-in-IL (W/IL) microemulsion systems. A hydrophobic IL of 1-butyl-3-methylimidazolium hexafluorophosphate (BmimPF(6)) was used as oil component in place of oils (castor oil, olive oil, etc.) and/or conventional organic solvents (cyclohexane, dichloromethane, etc.) in an emulsification method. In order to obtain spherical BSA NPs, high speed homogenizer treatment was applied followed by glutaraldehyde addition. Effects of glutaraldehyde, speed of homogenizer, type of surfactants and compositional fractions of the microemulsion components on the formation of water droplets and/or preparation of BSA NPs were studied using FTIR, EPR, DLS, and SEM techniques. Optimization of these preparation parameters showed that 3 wt% of BSA in a water/Tween 20/BmimPF(6) microemulsion with 20:50:30 wt% yielded similar to 100 nm average sized BSA NPs based on the SEM analysis. Although, water droplet size strongly depends on the water content, BSA nanoparticle size did not show a significant dependency on the water content. On the other hand, surfactant/IL weight ratio is more crucial for obtaining more uniformly size distributed albumin nanoparticles. A significant cellular uptake of BSA NPs prepared in IL based microemulsions with high cell viability showed the potential of this technique in preparation of albumin nanoparticles that can be used also in drug delivery studies. (C) 2019 Elsevier B.V. All rights reserved.
URI: https://doi.org/10.1016/j.molliq.2019.111713
https://hdl.handle.net/11147/8900
ISSN: 0167-7322
1873-3166
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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