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Title: Mesoporous Carbon Nanospheres as a Multifunctional Carrier for Cancer Theranostics

Journal Article · · Theranostics
DOI:https://doi.org/10.7150/thno.21927· OSTI ID:1628783
 [1];  [1];  [2];  [1];  [2];  [1];  [1];  [1];  [1];  [1];  [2];  [3];  [1];  [4]
  1. Jilin Univ., Changchun (China). College of Chemistry. State Key Lab. of Inorganic Synthesis and Preparation Chemistry. College of Electronic Science and Engineering. State Key Lab. on Integrated Optoelectronics
  2. Univ. of Macau Taipa, Macau SAR (China). Faculty of Health Science. Bioimaging Core
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
  4. Southern University of Science and Technology, Shenzhen, Guangdong (China). Dept. of Biomedical Engineering

Optical nanomaterials with intense absorption in near-infrared (NIR) region hold great promise for biomedical applications such as photothermal therapy (PTT) and photoacoustic imaging (PAI). In this work, we report mesoporous carbon nanospheres (Meso-CNs) with broadband and intense absorption in the UV–Vis–NIR region (300–1400 nm) and explore their potential as a multifunctional platform for photoacoustic imaging and chemo-photothermal therapy. Methods: Meso-CNs were prepared by a “silica-assisted” synthesis strategy and characterized by transmission electron microscope and optical spectroscopy. We investigated the photothermal conversion and photoacoustic imaging of Meso-CNs in comparison with single-walled carbon nanotubes (SWCNTs), graphene and gold nanorods (GNRs). In vitro cellular assays and in vivo chemo-photothermal combination therapy were performed. Results: The absorption coefficients of Meso-CNs are 1.5–2 times higher than those of SWCNTs and graphene and are comparable to those of GNRs in both the first and the second near-infrared optical windows (NIR-I and NIR-II) of tissues. When exposed to an NIR laser, the photothermal and photoacoustic signal generation of Meso-CNs are also stronger than those of SWCNTs, graphene, and GNRs. DOX was loaded into Meso-CNs with a high efficiency (35 wt%) owing to the unique mesoporous structure. Particularly, the drug release from Meso-CNs is sensitive to both pH and NIR light stimulation. In vivo chemo-photothermal combination therapy demonstrates a remarkable inhibition effect on tumor growth under NIR laser treatment. Conclusions: We have developed Meso-CNs for photothermal conversion and photoacoustic imaging. The porous structure also serves as a drug carrier and the drug release can be controlled by pH and external light. The high drug loading capacity, superior photothermal and photoacoustic generation, together with the apparent chemo-photothermal therapeutic effect, make Meso-CNs a promising platform for cancer theranostics.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Engineering & Technology
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1628783
Journal Information:
Theranostics, Vol. 8, Issue 3; ISSN 1838-7640
Publisher:
IvyspringCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (16)

Space‐Confined Polymerization: Controlled Fabrication of Nitrogen‐Doped Polymer and Carbon Microspheres with Refined Hierarchical Architectures journal February 2019
Recent Advance in Near‐Infrared (NIR) Imaging Probes for Cancer Theranostics journal August 2018
Theranostic Iron@Gold Core–Shell Nanoparticles for Simultaneous Hyperthermia‐Chemotherapy upon Photo‐Stimulation journal April 2019
Composite phospholipid-coated hollow mesoporous silica nanoplatform with multi-stimuli responsiveness for combined chemo-photothermal therapy journal January 2020
PEGylated polypyrrole–gold nanocomplex as enhanced photothermal agents against tumor cells journal January 2020
Materials and design of nanostructured broadband light absorbers for advanced light-to-heat conversion journal January 2018
Photoacoustic imaging and photothermal therapy in the second near-infrared window journal January 2019
Hollow mesoporous carbon nanospheres for imaging-guided light-activated synergistic thermo-chemotherapy journal January 2019
Mesoporous carbon nanospheres deposited onto D-shaped fibers for femtosecond pulse generation journal January 2019
Multifunctional Carbon-Based Nanomaterials: Applications in Biomolecular Imaging and Therapy journal August 2018
Novel Multifunctional Nanoagent for Visual Chemo/Photothermal Therapy of Metastatic Lymph Nodes via Lymphatic Delivery journal February 2020
One-Step Synthesis of Nitrogen-Doped Hydrophilic Mesoporous Carbons from Chitosan-Based Triconstituent System for Drug Release journal July 2019
Graphene quantum dots-gated hollow mesoporous carbon nanoplatform for targeting drug delivery and synergistic chemo-photothermal therapy journal October 2018
Carbon-gold hybrid nanoprobes for real-time imaging, photothermal/photodynamic and nanozyme oxidative therapy journal January 2019
Bubble-Manipulated Local Drug Release from a Smart Thermosensitive Cerasome for Dual-Mode Imaging Guided Tumor Chemo-Photothermal Therapy journal January 2019
Supramolecular nanomaterials based on hollow mesoporous drug carriers and macrocycle-capped CuS nanogates for synergistic chemo-photothermal therapy journal January 2020

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