Abstract
Propagation of a gel/glass transition boundary in a polymer is considered in the context of drug release. Drug molecules are assumed to undergo subdiffusive motion in the gel and be quiescent in the glass region. Exact self-similar solutions for the drug concentration are constructed, and the amount of released drug is determined as a function of time.
Original language | English (US) |
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Article number | 044005 |
Journal | Physica Scripta |
Volume | 91 |
Issue number | 4 |
DOIs | |
State | Published - Mar 24 2016 |
Funding
The work has been partially supported by the US-Israel Binational Science Foundation (grant No. 2008122). VAV gratefully acknowledges the support of NSF grant DMS 1108624.
Keywords
- Drug release
- Similarity solution
- Stefan problem
- Subdiffusion
ASJC Scopus subject areas
- Condensed Matter Physics
- Atomic and Molecular Physics, and Optics
- Mathematical Physics