4.7 Article

Biodegradable T2-phage-like Janus nanoparticles for actively-targeted and chemo-photothermal synergistic therapy

Journal

CHEMICAL ENGINEERING JOURNAL
Volume 428, Issue -, Pages -

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2021.131284

Keywords

Janus; T2-phage-like; Biodegrade; Tumor-targeting; Chemo-photothermal therapy

Funding

  1. Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
  2. Fundamental Research Funds for the Central Universities [2242016K41020]

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Snowman-like Au-BNP Janus nanoparticles are prepared with a facile adsorption-reduction seeds mediated growth method. These nanoparticles, modified with thiol-aptamer AS1411 and NIR dye ICG-NH2, show high tumor inhibition ability and specific tumor-targeting ability, suggesting their potential as a bio-inspired nanoplatform in active tumor-targeting and chemo-photothermal cancer synergistic therapy.
Snowman-like Au-BNP (bovine serum albumin nanoparticle) Janus nanoparticles (AuBJNPs) are prepared through a facile adsorption-reduction seeds mediated growth method. The formation of the snowman-like structure is driven by a thermodynamic spontaneous process controlled by the reduction kinetics of AuCl4ions. Thereafter, the AuBJNP nanoparticles have been selectively modified with thiol-aptamer AS1411 for specific tumor-targeting and NIR dye, Indocyanine green-amine (ICG-NH2), for improving the photothermal effect. The final obtained AS1411-AuBJNP-ICG Janus nanoparticles possess a tumor-targeting head and a biodegradable and NIR responsive body which similar to T2-phage both in morphology and composition. In addition, DOX (doxorubin)-loaded AS1411-AuBJNP-ICG under 808 nm NIR laser irradiation exhibited higher tumor inhibition ability and specific tumor-targeting ability at cellular and animal levels, implying that the multifunctional T2-phage-like AS1411-AuBJNP-ICG can provide a potential bio-inspired nanoplatform in the field of active tumor-targeting and chemo-photothermal cancer synergistic therapy.

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