A core/shell/satellite anticancer platform for 808 NIR light-driven multimodal imaging and combined chemo-/photothermal therapy

Nanoscale ◽  
2015 ◽  
Vol 7 (32) ◽  
pp. 13747-13758 ◽  
Author(s):  
Guixin Yang ◽  
Ruichan Lv ◽  
Fei He ◽  
Fengyu Qu ◽  
Shili Gai ◽  
...  

A novel core/shell/satellite anti-cancer nanoplatform exhibits simultaneous multimodal imaging and synergistic chemo- and photothermal therapy when irradiated by a single 808 nm near infrared (NIR) light source.

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Mary K. Popp ◽  
Imane Oubou ◽  
Colin Shepherd ◽  
Zachary Nager ◽  
Courtney Anderson ◽  
...  

Photothermal therapy (PTT) treatments have shown strong potential in treating tumors through their ability to target destructive heat preferentially to tumor regions. In this paper we demonstrate that PTT in a murine melanoma model using gold nanorods (GNRs) and near-infrared (NIR) light decreases tumor volume and increases animal survival to an extent that is comparable to the current generation of melanoma drugs. GNRs, in particular, have shown a strong ability to reach ablative temperatures quickly in tumors when exposed to NIR light. The current research tests the efficacy of GNRs PTT in a difficult and fast growing murine melanoma model using a NIR light-emitting diode (LED) light source. LED light sources in the NIR spectrum could provide a safer and more practical approach to photothermal therapy than lasers. We also show that the LED light source can effectively and quickly heatin vitroandin vivomodels to ablative temperatures when combined with GNRs. We anticipate that this approach could have significant implications for human cancer therapy.


Nanoscale ◽  
2014 ◽  
Vol 6 (8) ◽  
pp. 4361-4370 ◽  
Author(s):  
Xijian Liu ◽  
Qian Wang ◽  
Chun Li ◽  
Rujia Zou ◽  
Bo Li ◽  
...  

A difunctional nanoplatform based on the Cu2−xSe@mSiO2–PEG core–shell nanoparticles demonstrates an excellent biocompatibility and can be used for combining photothermal- and chemotherapies driven by NIR light.


2017 ◽  
Vol 46 (36) ◽  
pp. 12147-12157 ◽  
Author(s):  
Chen Wang ◽  
Liangge Xu ◽  
Jiating Xu ◽  
Dan Yang ◽  
Bin Liu ◽  
...  

Core–shell nanostructures consisting of plasmonic materials and lanthanide-doped upconversion nanoparticles (UCNPs) show promising applications in theranostics including bio-imaging, diagnosis and therapy.


Nanoscale ◽  
2021 ◽  
Author(s):  
Jinsong Xiong ◽  
Qinghuan Bian ◽  
Shuijin Lei ◽  
Yatian Deng ◽  
Kehan Zhao ◽  
...  

Near-infrared (NIR) light induced photothermal cancer therapy using nanomaterials as photothermal agents has attracted considerable research interest over the past few years. As the key factor in the photothermal therapy...


Biomedicines ◽  
2021 ◽  
Vol 9 (7) ◽  
pp. 756
Author(s):  
Manoj Kumar Mahata ◽  
Ranjit De ◽  
Kang Taek Lee

Due to the unique properties of lanthanide-doped upconverting nanoparticles (UCNP) under near-infrared (NIR) light, the last decade has shown a sharp progress in their biomedicine applications. Advances in the techniques for polymer, dye, and bio-molecule conjugation on the surface of the nanoparticles has further expanded their dynamic opportunities for optogenetics, oncotherapy and bioimaging. In this account, considering the primary benefits such as the absence of photobleaching, photoblinking, and autofluorescence of UCNPs not only facilitate the construction of accurate, sensitive and multifunctional nanoprobes, but also improve therapeutic and diagnostic results. We introduce, with the basic knowledge of upconversion, unique properties of UCNPs and the mechanisms involved in photon upconversion and discuss how UCNPs can be implemented in biological practices. In this focused review, we categorize the applications of UCNP-based various strategies into the following domains: neuromodulation, immunotherapy, drug delivery, photodynamic and photothermal therapy, bioimaging and biosensing. Herein, we also discuss the current emerging bioapplications with cutting edge nano-/biointerfacing of UCNPs. Finally, this review provides concluding remarks on future opportunities and challenges on clinical translation of UCNPs-based nanotechnology research.


2019 ◽  
Vol 8 (16) ◽  
pp. 1900409 ◽  
Author(s):  
Chunyang Zhang ◽  
Jie Liu ◽  
Huanling Guo ◽  
Wei Wang ◽  
Ming Xu ◽  
...  

2021 ◽  
Author(s):  
Xiaozhen Li ◽  
Fang Fang ◽  
Bo Sun ◽  
Chao YIN ◽  
Jihua Tan ◽  
...  

Photodynamic therapy (PDT) synergized photothermal therapy (PTT) shows superior clinical application prospect than single PDT or PTT. On the other hand, multimodal imaging can delineate comprehensive information of lesion site...


2015 ◽  
Vol 44 (22) ◽  
pp. 10343-10351 ◽  
Author(s):  
Xijian Liu ◽  
Qilong Ren ◽  
Fanfan Fu ◽  
Rujia Zou ◽  
Qian Wang ◽  
...  

A difunctional nanoplatform (CuS@mSiO2-PEG) acted as a NIR light induced photothermal-triggered drug delivery system for efficient chemo-photothermal therapy.


Micromachines ◽  
2018 ◽  
Vol 9 (8) ◽  
pp. 400 ◽  
Author(s):  
Kumbam Lingeshwar Reddy ◽  
Neeraj Prabhakar ◽  
Jessica Rosenholm ◽  
Venkata Krishnan

Optical imaging of cancer cells using near infrared (NIR) light is currently an active area of research, as this spectral region directly corresponds to the therapeutic window of biological tissues. Upconversion nanocrystals are photostable alternatives to conventional fluorophores. In our work, we have prepared upconversion nanocrystals of NaYF4:Yb/Er and encapsulated them in silica to form core-shell structures. The as-prepared core-shell nanostructures have been characterized for their structure, morphology, and optical properties using X-ray diffraction, transmission electron microscopy coupled with elemental mapping, and upconversion luminescence spectroscopy, respectively. The cytotoxicity examined using cell viability assay indicated a low level of toxicity of these core-shell nanostructures. Finally, these core-shell nanostructures have been utilized as photostable probes for NIR light enabled optical imaging of human breast cancer cells. This work paves the way for the development of advanced photostable, biocompatible, low-toxic core-shell nanostructures for potential optical imaging of biological cells and tissues.


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