Core-shell poly(D,L-lactide-co-glycolide)/poly(ethyl 2-cyanoacrylate) microparticles with doxorubicin to reduce Initial burst release

Sang Hyuk Lee, Hyon Ho Baek, Jung Hyun Kim, Sung Wook Choi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Monodispersed microparticles with a poly(D,L-lactide-co-glycolide) (PLGA) core and a poly(ethyl 2cyanoacrylate) (PE2CA) shell were prepared by Shirasu porous glass (SPG) membrane emulsification to reduce the initial burst release of doxorubicin (DOX). Solution mixtures with different weight ratios of PLGA polymer and E2CA monomer were permeated under pressure through an SPG membrane with 1.9 μm pore size into a continuous water phase with sodium lauryl sulfate as a surfactant. Core-shell structured microparticles were formed by the mechanism of anionic interfacial polymerization of E2CA and precipitation of both polymers. The average diameter of the resulting microparticles with various PLGA:E2CA ratios ranged from 1.42 to 2.73 μm. The morphology and core-shell structure of the microparticles were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The DOX release profiles revealed that the microparticles with an equivalent PLGA:E2CA weight ratio of 1:1 exhibited the optimal condition to reduce the initial burst of DOX. The initial release rate of DOX was dependent on the PLGA:E2CA ratio, and was minimized at a 1:1 ratio.

Original languageEnglish
Pages (from-to)1010-1014
Number of pages5
JournalMacromolecular Research
Volume17
Issue number12
DOIs
Publication statusPublished - 2009 Jan 1

Fingerprint

Doxorubicin
Membranes
Glass
Emulsification
Sodium dodecyl sulfate
Polymers
Pore size
Surface active agents
Monomers
Polymerization
Transmission electron microscopy
Scanning electron microscopy
Water
Surface-Active Agents
Sodium Dodecyl Sulfate
polylactic acid-polyglycolic acid copolymer
ethyl 2-cyanoacrylate

All Science Journal Classification (ASJC) codes

  • Chemical Engineering(all)
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

Cite this

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title = "Core-shell poly(D,L-lactide-co-glycolide)/poly(ethyl 2-cyanoacrylate) microparticles with doxorubicin to reduce Initial burst release",
abstract = "Monodispersed microparticles with a poly(D,L-lactide-co-glycolide) (PLGA) core and a poly(ethyl 2cyanoacrylate) (PE2CA) shell were prepared by Shirasu porous glass (SPG) membrane emulsification to reduce the initial burst release of doxorubicin (DOX). Solution mixtures with different weight ratios of PLGA polymer and E2CA monomer were permeated under pressure through an SPG membrane with 1.9 μm pore size into a continuous water phase with sodium lauryl sulfate as a surfactant. Core-shell structured microparticles were formed by the mechanism of anionic interfacial polymerization of E2CA and precipitation of both polymers. The average diameter of the resulting microparticles with various PLGA:E2CA ratios ranged from 1.42 to 2.73 μm. The morphology and core-shell structure of the microparticles were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The DOX release profiles revealed that the microparticles with an equivalent PLGA:E2CA weight ratio of 1:1 exhibited the optimal condition to reduce the initial burst of DOX. The initial release rate of DOX was dependent on the PLGA:E2CA ratio, and was minimized at a 1:1 ratio.",
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Core-shell poly(D,L-lactide-co-glycolide)/poly(ethyl 2-cyanoacrylate) microparticles with doxorubicin to reduce Initial burst release. / Lee, Sang Hyuk; Baek, Hyon Ho; Kim, Jung Hyun; Choi, Sung Wook.

In: Macromolecular Research, Vol. 17, No. 12, 01.01.2009, p. 1010-1014.

Research output: Contribution to journalArticle

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