Functional nanotubes for triggered release of molecules

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Armağan, Efe and Qureshi, Parveen and Özaydın İnce, Gözde (2015) Functional nanotubes for triggered release of molecules. Nanoscience and Nanotechnology Letters, 7 (1). pp. 79-83. ISSN 1941-4900 (Print) 1941-4919 (Online)

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Official URL: http://dx.doi.org/10.1166/nnl.2015.1896


Controlled release of macromolecules from polymeric nanostructures can be triggered by changes in the environmental stimuli. This requires synthesis of nanostructures from stimuli-responsive polymers which react to stimuli by undergoing physicochemical changes. In this work, fabrication of pH responsive polymeric nanotubes using the templated initiated chemical vapor deposition method is demonstrated. The nanotubes are synthesized using the poly(methacrylic acid-co-ethylene glycol dimethacrylate) polymer which swells as the pH of the medium is increased. Controlled release of model dye molecules from the nanotubes by changing the pH of the medium is demonstrated. Release amounts of up to 50% are observed at low pH due to shrinking of the nanotubes triggering the burst release of the molecules.

Item Type:Article
Uncontrolled Keywords:Polymer Nanotubes; pH Responsive Polymers; Initiated Chemical Vapor Deposition; Phloroglucinol Dye; Controlled Release
Subjects:Q Science > QD Chemistry > QD241-441 Organic chemistry
T Technology > TP Chemical technology > TP1080 Polymers and polymer manufacture
ID Code:26981
Deposited By:Gözde Özaydın İnce
Deposited On:25 Aug 2015 11:42
Last Modified:02 Aug 2019 16:24

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