The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
Near-Infrared Light-Triggered Dissociation of Block Copolymer Micelles Using Upconverting Nanoparticles
Abstract
We demonstrate a novel strategy enabling the use of a continuous-wave diode near-infrared (NIR) laser to disrupt block copolymer (BCP) micelles and trigger the release of their "payloads". By encapsulating NaYF(4):TmYb upconverting nanoparticles (UCNPs) inside micelles of poly(ethylene oxide)-block-poly(4,5-dimethoxy-2-nitrobenzyl methacrylate) and exposing the micellar solution to 980 nm light, photons in the UV region are emitted by the UCNPs, which in turn are absorbed by o-nitrobenzyl groups on the micelle core-forming block, activating the photocleavage reaction and leading to the dissociation of BCP micelles and release of co-loaded hydrophobic species. Our strategy of using UCNPs as an internal UV or visible light source upon NIR light excitation represents a general and efficient method to circumvent the need for UV or visible light excitation that is a common drawback for light-responsive polymeric systems developed for potential biomedical applications.
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Cites
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Metadata
- Authors
- Yan, B., Boyer, J.-C., Branda, N. R., & Zhao, Y.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-11-18
- Volume
- 133
- Issue
- 49
- Pages
- 19714-19717
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2060975926
- Cited by
- 455
- References
- 25
- FWCI
- 20.65
- Type
- journal article
- Language
- en
- Open access
- closed
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