Design of ZIF-based hybrid nanoparticles with hyaluronic acid-augmented ROS behavior for dual-modality PA/NIR-II FL imaging.
Botao QuYahong HanJuan LiQian WangBingyu ZhaoXiaoyang PengRuiping ZhangPublished in: RSC advances (2021)
Photoacoustic (PA) imaging has emerged as a promising bio-imaging technique due to its non-invasive visualization of lesions at great penetration depths. Fluorescence (FL) imaging in the second near-infrared window (NIR-II, 1000-1700 nm) achieves a higher imaging resolution and lower background signals compared to NIR-I. However, the single imaging method possesses its own disadvantages. Thus, we have demonstrated ZIF-8-IR820-MnPc-HA nanoparticles (ZIMH NPs) that can achieve visualization and localization of tumors in mice models with the help of a dual-modality PA/NIR-II FL imaging performance. Meanwhile, these excellent nanoparticles also induce the efficient generation of singlet oxygen ( 1 O 2 ) upon 808 nm laser illumination, and display excellent photodynamic therapy efficacy in cells, further indicating their potential application for in vivo PDT. In ZIMH NPs, hyaluronic acid (HA) impressively acts as a "sponge", enhancing the generation of 1 O 2 and facilitating the cellular therapeutic effects. We believe that ZIF-8-IR820-MnPc-HA NPs present a brand-new strategy for the exploration of efficient PDT photosensitizers with dual-modality imaging performance for use in various biomedical applications.
Keyphrases
- photodynamic therapy
- high resolution
- fluorescence imaging
- hyaluronic acid
- type diabetes
- signaling pathway
- metabolic syndrome
- drug delivery
- drug release
- induced apoptosis
- oxidative stress
- skeletal muscle
- mass spectrometry
- risk assessment
- fluorescent probe
- climate change
- cell death
- endoplasmic reticulum stress
- human health
- cell cycle arrest