Abstract

Stimuli-responsive capsules are of interest in drug delivery, fragrance release, food preservation, and self-healing materials. Many methods are used to trigger the release of encapsulated contents. Here we highlight mechanisms for the controlled release of encapsulated cargo that utilize chemical reactions occurring in solid polymeric shell walls. Triggering mechanisms responsible for covalent bond cleavage that result in the release of capsule contents include chemical, biological, light, thermal, magnetic, and electrical stimuli. We present methods for encapsulation and release, triggering methods, and mechanisms and conclude with our opinions on interesting obstacles for chemically induced activation with relevance for controlled release.

Original languageEnglish (US)
Pages (from-to)5539-5553
Number of pages15
JournalMacromolecules
Volume44
Issue number14
DOIs
StatePublished - Jul 26 2011

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Self-healing materials
Food preservation
Fragrances
Covalent bonds
Drug delivery
Encapsulation
Capsules
Chemical reactions
Polymers
Chemical activation
Hot Temperature

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

Cite this

Triggered release from polymer capsules. / Esser-Kahn, Aaron P.; Odom, Susan A.; Sottos, Nancy R.; White, Scott R.; Moore, Jeffrey S.

In: Macromolecules, Vol. 44, No. 14, 26.07.2011, p. 5539-5553.

Research output: Contribution to journalReview article

Esser-Kahn, AP, Odom, SA, Sottos, NR, White, SR & Moore, JS 2011, 'Triggered release from polymer capsules', Macromolecules, vol. 44, no. 14, pp. 5539-5553. https://doi.org/10.1021/ma201014n
Esser-Kahn, Aaron P. ; Odom, Susan A. ; Sottos, Nancy R. ; White, Scott R. ; Moore, Jeffrey S. / Triggered release from polymer capsules. In: Macromolecules. 2011 ; Vol. 44, No. 14. pp. 5539-5553.
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