Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/81311
Title: Dual-responsive (pH/temperature) pluronic F-127 hydrogel drug delivery system for textile-based transdermal therapy
Authors: Chatterjee, S 
Hui, PCL 
Kan, CW 
Wang, WY 
Issue Date: 2019
Publisher: Nature Publishing Group
Source: Scientific reports, 12 Aug. 2019, v. 9, 11658, p. 1-13 How to cite?
Journal: Scientific reports 
Abstract: A dual-responsive hydrogel (pH/temperature) was developed from a thermos-responsive polymer, pluronic F-127 (PF127), and pH-responsive polymers, N,N,N-trimethyl chitosan (TMC) and polyethylene glycolated hyaluronic acid (PEG-HA). Gallic acid, the principal component of the traditional Chinese drug Cortex Moutan was loaded into the hydrogel (PF127/TMC/PEG-HA) for possible application in textile-based transdermal therapy as Cortex Moutan has been proven to be an effective drug for the treatment of atopic dermatitis (AD). TMC and PEG-HA were synthesized, characterized (H-1-NMR and FTIR), and added to the formulations to enhance drug release from the hydrogels, and increase the drug targeting of the carriers. The thermo-responsive properties of the hydrogel were assessed by dynamic viscosity analysis and the tube inversion method, and the pH-responsiveness of the formulation was determined by changing the pH of the external media. Rheology study of the hydrogels showed that complex viscosity and storage/loss moduli for PF127/TMC/PEG-HA hydrogel formulation are higher than PF127 hydrogel. The microstructure analysis by reflection SAXS indicated similar type of frozen inhomogeneity of hydrogel formulations. Various characterizations such as FTIR, SEM, TEM, zeta potential, and degradation of the hydrogel formulation indicated that the PF127/TMC/PEG-HA hydrogel showed better physico-chemical properties and morphology than did the PF127 hydrogel, and drug release was also higher for the PF127/TMC/PEG-HA hydrogel than for PF127. The drug release from hydrogels followed more closely first-order rate model than other rate models.
URI: http://hdl.handle.net/10397/81311
EISSN: 2045-2322
DOI: 10.1038/s41598-019-48254-6
Rights: Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
© The Author(s) 2019
The following publication Chatterjee, S., Hui, P. C. L., Kan, C. W., & Wang, W. Y. (2019). Dual-responsive (pH/temperature) pluronic F-127 hydrogel drug delivery system for textile-based transdermal therapy. Scientific Reports, 9, 11658, 1-13 is available at https://dx.doi.org/10.1038/s41598-019-48254-6
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