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Nanoengineered Light-Activatable Polybubbles for On-Demand Therapeutic Delivery.


ABSTRACT: Vaccine coverage is severely limited in developing countries due to inefficient protection of vaccine functionality as well as lack of patient compliance to receive the additional booster doses. Thus, there is an urgent need to design a thermostable vaccine delivery platform that also enables release of the bolus after predetermined time. Here, the formation of injectable and light-activatable polybubbles for vaccine delivery is reported. In vitro studies show that polybubbles enable delayed burst release, irrespective of cargo types, namely small molecule and antigen. The extracorporeal activation of polybubbles is achieved by incorporating near-infrared (NIR)-sensitive gold nanorods (AuNRs). Interestingly, light-activatable polybubbles can be used for on-demand burst release of cargo. In vitro, ex vivo, and in vivo studies demonstrate successful activation of AuNR-loaded polybubbles. Overall, the light-activatable polybubble technology can be used for on-demand delivery of various therapeutics including small molecule drugs, immunologically relevant protein, peptide antigens, and nucleic acids.

SUBMITTER: Arun Kumar S 

PROVIDER: S-EPMC7401402 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Nanoengineered Light-Activatable Polybubbles for On-Demand Therapeutic Delivery.

Arun Kumar Shreedevi S   Good Jacob J   Hendrix David D   Yoo Eunsoo E   Kim Dongin D   Deo Kaivalya A KA   Jhan Yong-Yu YY   Gaharwar Akhilesh K AK   Bishop Corey J CJ  

Advanced functional materials 20200626 31


Vaccine coverage is severely limited in developing countries due to inefficient protection of vaccine functionality as well as lack of patient compliance to receive the additional booster doses. Thus, there is an urgent need to design a thermostable vaccine delivery platform that also enables release of the bolus after predetermined time. Here, the formation of injectable and light-activatable polybubbles for vaccine delivery is reported. In vitro studies show that polybubbles enable delayed bur  ...[more]

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