Morphology of poly(ε-caprolactone)-b-poly(ethylene glycol)-b-poly(ε-caprolactone) assemblies in diluted aqueous solution and gel studied by atomic force microscopy

Polymers for Advanced Technologies

Volumn 19, Issue 11, 2008, Pages 1451-1454

  Guo, Shengrong ^a   Zhang, Yaqiong ^a   Yu, Zhang ^b  

^a SHANGHAI JIAO TONG UNIVERSITY   (China)

^b FUDAN UNIVERSITY   (China)

Author keywords

Atomic force microscopy (AFM); Block copolymer; Self assembly

Indexed keywords

AGGREGATES; ATOMIC FORCE MICROSCOPY; ATOMIC PHYSICS; ATOMS; BLOCK COPOLYMERS; COLLOIDS; COPOLYMERIZATION; ETHYLENE; ETHYLENE GLYCOL; GELATION; GELS; GLYCOLS; PLASTIC PRODUCTS; POLYETHYLENE GLYCOLS; POLYMERS; SELF ASSEMBLY;

AQUEOUS SOLUTIONS; ATOMIC FORCE MICROSCOPY (AFM); CAPROLACTONE; COPOLYMER CONCENTRATIONS; COPOLYMER SOLUTIONS; DILUTED SOLUTIONS; MORPHO-LOGIES; POLY(ETHYLENE GLYCOL); TRIBLOCK CO POLYMERS; UNIFORM DIAMETERS;

POLYETHYLENE OXIDES;

COPOLYMER; MORPHOLOGY; POLYCAPROLACTONE; POLYETHYLENE GLYCOL;

EID: 58049087656     PISSN: 10427147     EISSN: 10991581     Source Type: Journal    
DOI: 10.1002/pat.1170     Document Type: Article

References (23)

1. Deng C, Chen XS, Yu HJ, Sun J, Lu TC, Jing XB. A biodegradable triblock copolymer poly(ethylene glycol)-b-poly(L-lactide)-b-poly(L-lysine): Synthesis, self-assembly, and RGD peptide modification. Polymer 2007; 48: 139-149.
2. Kang HL, Liu WY, He BQ, Shen DW, Ma L, Huang Y. Synthesis of amphiphilic ethyl cellulose grafting poly(acrylic acid) copolymers and their self-assembly morphologies in water. Polymer 2006; 47: 7927-7934.
3. Claesson P. Poly(ethylene oxide) surface coatings: Relations between intermolecular forces, layer structure and protein repellency. Colloid Surf. A 1993; 77: 109-118.
4. Nah JW, Jeong YI, Cho CS, Kim SL. Drug-delivery system based on core-shell-type nanoparticles composed of poly(-γ-benzyl-L-glutamate) and poly(ethylene oxide). J. Appl. Polym. Sci. 2000; 75: 1115-1126.
5. Yu BG, Okano T, kataoka K, Sardari S, Kwon GS. In vitro dissociation and antifungal efficacy and toxicity of amphotericin B-loaded poly(ethylene oxide)-block-poly(β-benzyl-L-aspartate) micelles. J. Control. Release 1998; 56: 285-291.
6. Lee JY, Cho EC, Cho KW. Incorporation and release behavior of hydrophobic drug in functionalized poly(d,l-lactide)-block-poly(ethylene oxide) micelles. J. Control. Release 2004; 94: 323-335.
7. Aliabadi HM, Brocks DR, Lavasanifar A. Polymeric micelles for the solubilization and delivery of cyclosporine A: pharmacokinetics and biodistribution. Biomaterials 2005; 26: 7251-7259.
8. Liu F, Eisenberg A. Preparation and pH triggered inversion of vesicles from poly(acrylic acid)-block-polystyrene-blockpoly(4-vinyl pyridine). J. Am. Chem. Soc. 2003; 125: 15059-15064.
9. Choucair A, Lavigueur C, Eisenberg A. Polystyrene-b-poly(acrylic acid) vesicle size control using solution properties and hydrophilic block length. Langmuir 2004; 20: 3894-3900.
10. Terreau O, Luo LB, Eisenberg A. Effect of poly(acrylic acid) block length distribution on polystyrene-b-poly(acrylic acid) aggregates in solution. 1. Vesicles. Langmuir 2003; 19: 5601-5607.
11. Geng Y, Ahmed F, Bhasin N, Discher DE. Visualizing worm micelle dynamics and phase transitions of a charged diblock copolymer in water. J. Phys. Chem. B 2005; 109: 3772-3779.
12. Takeoka S, Mori K, Ohkawa H, Sou K, Tsuchida E. Synthesis and assembly of poly(ethylene glycol)-lipids with mono-, di-, and tetraacyl chains and a poly(ethylene glycol) chain of various molecular weights. J. Am. Chem. Soc. 2000; 122: 7927-7935.
13. Lei L, Gohy JF, Willet N, Zhang JX, Varshney S, Jerome R. Tuning of the Morphology of core-shell-corona micelles in water. I. transition from sphere to cylinder. Macromolecules 2004; 37: 1089-1094.
14. Xiong XY, Tam KC. Synthesis and aggregation behavior of pluronic F127/ poly(lactic acid) block copolymers in aqueous solutions. Macromolecules 2003; 36: 9979-9985.
15. Xu P, Tang H, Li S, Ren J, Shen Y. Enhanced stability of core-surface cross-linked micelles fabricated from amphiphilic brush copolymers. Biomacromolecules 2004; 5: 1736-1744.
16. Minatti E, Viville P, Borsali R, Schappacher M, Deffieux A, Lazzaroni R. Micellar morphological changes promoted by cyclization of PS-b-PI copolymer: DLS and AFM experiments. Macromolecules 2003; 36: 4125-4133.
17. Ouarti N, Viville P, Lazzaroni R, Minatti E, Schappacher M, Deffieux A, Putaux JL, Borsali R. Micellar aggregation in blends of linear and cyclic poly(styrene-b-isoprene) diblock copolymers. Langmuir 2005; 21: 9085-9090.
18. Jeong B, Bae YH, Kim SW. Thermoreversible gelation of PEG-PLGA-PEG triblock copolymer aqueous solutions. Macromolecules 1999; 32: 7064-7069.
19. Jeong B, Choi YK, Bae YH, Zentner G, Kim SW. New biodegradable polymers for injectable drug delivery systems. J. Control. Release 1999; 62: 109-114.
20. Jeong B, Bae YH, Kim SW. In situ gelation of PEG-PLGAPEG triblock copolymer aqueous solutions and degradation thereof. J. Biomed. Mater. Res. 2000; 50: 171-177.
21. Jeong B, Bae YH, Lee DS, Kim SW. Biodegradable block copolymers as injectable drug-delivery systems. Nature 1997; 388: 860-862.
22. Zhang YQ, Guo SR, Lu CF, Liu L, Li ZH, Gu JR. Poly(ε-caprolactone)-b-poly(ethylene glycol)-b-poly(-caprolactone) triblock copolymers: synthesis and self-assembly in aqueous solutions. J. Polym. Sci. A Polym. Chem. 2007; 45: 605-614.
23. Lee JW, Hua FJ, Lee DS. Thermoreversible gelation of biodegradable poly(.vepsiln.-caprolactone) and poly(ethylene glycol) multiblock copolymers in aqueous solutions. J. Control. Release 2001; 73: 315-327.