Abstract
Polyion complex (PIC) micelles were prepared by self-assembly of block-graft polycation monomethoxy poly(ethylene glycol)-block-(poly(ε-caprolactone)-graft-polyethylenimine) (PEG-b-(PCL-g-PEI)) and hyperbranched polyanion sodium carboxyl-modified hyperbranched polyesters (Hx-COONa, x = 20, 30, 40). The results from commonly used MTT assay indicated that PIC micelles had good biocompatibility. PIC micelles with N/COO− of 8/3 had appropriate size (sub-110 nm) and moderate zeta potential (~3 mV). PIC micelles were nano-sized spheres, and the average size was about 50 nm. PIC micelles had high drug loading capacity for hydrophilic drugs such as doxorubicin (DOX) hydrochloride and released the drugs under the influence of pH and ionic strength.
Similar content being viewed by others
References
Bayo-Puxan N, Dufresne MH, Felber AE, Castagner B, Leroux JC (2011) Preparation of polyion complex micelles from poly(ethylene glycol)-block-polyions. J Control Release 156:118–127. https://doi.org/10.1016/j.jconrel.2011.07.027
Cai MT, Zhu K, Qiu YB, Liu XR, Chen YW, Luo XL (2014) pH and redox-responsive mixed micelles for enhanced intracellular drug release. Colloid Surf B Biointerfaces 116:424–431. https://doi.org/10.1016/j.colsurfb.2014.01.012
Chen S, Zhang XZ, Cheng SX, Zhuo RX, Gu ZW (2008) Functionalized amphiphilic hyperbranched polymers for targeted drug delivery. Biomacromolecules 9:2578–2585. https://doi.org/10.1021/bm800371n
Chen JJ, Ding JX, Zhang Y, Xiao CS, Zhuang XL, Chen XS (2015a) Polyion complex micelles with gradient pH-sensitivity for adjustable intracellular drug delivery. Polym Chem 6:397–405. https://doi.org/10.1039/c4py01149j
Chen JX, Wang M, Tian HH, Chen JH (2015b) Hyaluronic acid and polyethylenimine self-assembled polyion complexes as pH-sensitive drug carrier for cancer therapy. Colloid Surf B Biointerfaces 134:81–87. https://doi.org/10.1016/j.colsurfb.2015.06.039
Dai Y, Zhang XJ (2017) Stable and biocompatible genipin-inducing interlayer-crosslinked micelles for sustained drug release. J Nanopart Res 19:164. https://doi.org/10.1007/s11051-017-3866-y
Dai Y, Yu P, Zhang XJ, Zhuo RX (2016) Gold nanoparticles stabilized by amphiphilic hyperbranched polymers for catalytic reduction of 4-nitrophenol. J Catal 337:65–71. https://doi.org/10.1016/j.jcat.2016.01.014
De Santis S, Ladogana RD, Diociaiuti M, Masci G (2010) Pegylated and thermosensitive polyion complex micelles by self-assembly of two oppositely and permanently charged diblock copolymers. Macromolecules 43:1992–2001. https://doi.org/10.1021/ma9026542
Harada A, Kataoka K (1995) Formation of polyion complex micelles in an aqueous milieu from a pair of oppositely-charged block copolymers with poly(ethylene glycol) segments. Macromolecules 28:5294–5299. https://doi.org/10.1021/ma00119a019
Huo H, Gao YK, Wang Y, Zhang JH, Wang ZY, Jiang TY, Wang SL (2015) Polyion complex micelles composed of pegylated polyasparthydrazide derivatives for siRNA delivery to the brain. J Colloid Interface Sci 447:8–15. https://doi.org/10.1016/j.jcis.2015.01.043
Li GY, Guo L, Meng YF, Zhang T (2011) Self-assembled nanoparticles from thermo-sensitive polyion complex micelles for controlled drug release. Chem Eng J 174:199–205. https://doi.org/10.1016/j.cej.2011.08.079
Li GY, Qi MY, Yu NN, Liu XY (2015) Hybrid vesicles co-assembled from anionic graft copolymer and metal ions for controlled drug release. Chem Eng J 262:710–715. https://doi.org/10.1016/j.cej.2014.10.029
Luo YL, Wang AR, Yuan JF, Gao QY (2009a) Preparation, characterization and drug release behavior of polyion complex micelles. Int J Pharm 374:139–144. https://doi.org/10.1016/j.ijpharm.2009.03.019
Luo YL, Yao XJ, Yuan JF, Ding T, Gao QY (2009b) Preparation and drug controlled-release of polyion complex micelles as drug delivery systems. Colloid Surf B Biointerfaces 68:218–224. https://doi.org/10.1016/j.colsurfb.2008.10.014
Malmstrom E, Johansson M, Hult A (1995) Hyperbranched aliphatic polyesters. Macromolecules 28:1698–1703. https://doi.org/10.1021/ma00109a049
Shi ZQ, Zhou YF, Yan DY (2008) Facile fabrication of pH-responsive and size-controllable polymer vesicles from a commercially available hyperbranched polyester. Macromol Rapid Commun 29:412–418. https://doi.org/10.1002/marc.200700673
Tu CL, Zhu LJ, Qiu F, Wang DL, Su Y, Zhu XY, Yan DY (2013) Facile PEGylation of Boltorn (R) H40 for pH-responsive drug carriers. Polymer 54:2020–2027. https://doi.org/10.1016/j.polymer.2012.12.029
Wang CH, Wang WT, Hsiue GH (2009) Development of polyion complex micelles for encapsulating and delivering amphotericin B. Biomaterials 30:3352–3358. https://doi.org/10.1016/j.biomaterials.2009.02.041
Yuan JF, Luo YL, Gao QY (2011) Self-assembled polyion complex micelles for sustained release of hydrophilic drug. J Microencapsul 28:93–98. https://doi.org/10.3109/02652048.2010.534823
Zagar E, Zigon M (2011) Aliphatic hyperbranched polyesters based on 2,2-bis(methylol)propionic acid—determination of structure, solution and bulk properties. Prog Polym Sci 36:53–88. https://doi.org/10.1016/j.progpolymsci.2010.08.004
Zhang YA, Ni CH, Shi G, Wang J, Zhang M, Li W (2015) The polyion complex nano-prodrug of doxorubicin (DOX) with poly(lactic acid-co-malic acid)-block-polyethylene glycol: preparation and drug controlled release. Med Chem Res 24:1189–1195. https://doi.org/10.1007/s00044-014-1206-7
Zhang XJ, Li Y, Chen YE, Chen JH, Ma PX (2016) Cell-free 3D scaffold with two-stage delivery of miRNA-26a to regenerate critical-sized bone defects. Nat Commun 7:10376. https://doi.org/10.1038/ncomms10376
Zhao Y, Lord MS, Stenzel MH (2013) A polyion complex micelle with heparin for growth factor delivery and uptake into cells. J Mater Chem B 1:1635–1643. https://doi.org/10.1039/c3tb00360d
Zhou WS, Li CB, Wang ZY, Zhang WL, Liu JP (2016) Factors affecting the stability of drug-loaded polymeric micelles and strategies for improvement. J Nanopart Res 18:275. https://doi.org/10.1007/s11051-016-3583-y
Funding
This study was funded by the National Natural Science Foundation of China (Nos. 51703209 and 21603196), the Natural Science Foundation of Hubei Province (2017CFB217), the Fundamental Research Funds for the Central Universities, China University of Geosciences (Wuhan) (Nos. CUG170601 and CUGL170406), and the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing (Wuhan University of Technology).
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Conflict of interest
The authors declare that they have no conflict of interest.
Electronic supplementary material
ESM 1
(DOCX 829 kb)
Rights and permissions
About this article
Cite this article
Dai, Y., Wang, H. & Zhang, X. Polyion complex micelles prepared by self-assembly of block-graft polycation and hyperbranched polyanion. J Nanopart Res 19, 298 (2017). https://doi.org/10.1007/s11051-017-3997-1
Received:
Accepted:
Published:
DOI: https://doi.org/10.1007/s11051-017-3997-1