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Hybrid Decorated Core@Shell Janus Nanoparticles as a Flexible Platform for Targeted Multimodal Molecular Bioimaging of Cancer

  • Alfredo Sánchez
    Alfredo Sánchez
    Nanosensors & Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain
  • Karina Ovejero Paredes
    Karina Ovejero Paredes
    Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Melchor Fernández Almagro, 3, 28029 Madrid, Spain
    Nanobiotechnology for Life Sciences Group, Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid (UCM), Plaza Ramón y Cajal, 28040 Madrid, Spain
  • Jesús Ruiz-Cabello
    Jesús Ruiz-Cabello
    Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy⊥, Complutense University of Madrid (UCM), Plaza Ramón y Cajal, 28040 Madrid, Spain
    CIBER de Enfermedades Respiratorias (CIBERES), Melchor Fernández Almagro, 3, 28029 Madrid, Spain
    CIC biomaGUNE, Paseo Miramón 182, 20014 Donostia/San Sebastián, Gipuzkoa, Spain
    IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
  • Paloma Martínez-Ruíz
    Paloma Martínez-Ruíz
    Nanosensors & Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry  and  Department of Organic Chemistry I, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain
  • José Manuel Pingarrón
    José Manuel Pingarrón
    Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain
  • Reynaldo Villalonga*
    Reynaldo Villalonga
    Nanosensors & Nanomachines Group, Department of Analytical Chemistry, Faculty of Chemistry, Complutense University of Madrid, 28040 Madrid, Spain
    *E-mail: [email protected] (R.V.).
  • , and 
  • Marco Filice*
    Marco Filice
    Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Melchor Fernández Almagro, 3, 28029 Madrid, Spain
    Nanobiotechnology for Life Sciences Group, Department of Chemistry in Pharmaceutical Sciences, Faculty of Pharmacy, Complutense University of Madrid (UCM), Plaza Ramón y Cajal, 28040 Madrid, Spain
    CIBER de Enfermedades Respiratorias (CIBERES), Melchor Fernández Almagro, 3, 28029 Madrid, Spain
    *E-mail: [email protected] (M.F.).
    More by Marco Filice
Cite this: ACS Appl. Mater. Interfaces 2018, 10, 37, 31032–31043
Publication Date (Web):August 24, 2018
Copyright © 2018 American Chemical Society

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    Abstract Image

    In the recent years, targeted cancer theranosis, the concomitant therapeutic treatment and selective visualization of cancerous tissue, has become a powerful strategy to improve patient prognosis. In this context, targeted multimodal molecular imaging, the combination of different imaging modalities overcoming their individual limitations, has attracted great attention. Due to their unique properties, advanced nanomaterials have taken center stage in the development of theranostics. In this work, we report a novel Janus nanoplatform by combining an Fe3O4 NPs/mesoporous silica core@shell face together with an Au nanoparticle face. Due to its anisotropy, this hybrid nanomaterial enabled the orthogonal site-selective modification of each face permitting the incorporation of a targeting peptide for cancer detection (cRGD) and a fluorescent dye. Due to the intrinsic characteristics of this Janus nanoplatform together with those selectively generated on their surfaces, the resulting hybrid nanocarrier successfully promoted the in vivo tumor-targeted multimodal imaging by magnetic resonance (Fe3O4 core), computed tomography (AuNP face), and fluorescent tracking (fluorescent dye loading) in a fibrosarcoma-bearing mouse model. The achieved results endorse these hybrid Janus nanoparticles as a powerful and flexible platform with integrated imaging and carrier functionalities to be equipped with therapeutic features to generate an advanced multifunctional nanocarrier for targeted cancer theranosis.

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    Supporting Information

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    The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acsami.8b10452.

    • TEM micrographs of Mag 320, Mag 320@MS, and Au-Mag 320@MS; size distribution analysis of Mag 320; HRTEM micrograph of Mag 320, fluorescence spectra of Janus Au-Mag 320@MS before and after modification with Alexa Fluor 647; FTIR spectra of Mag 320, Mag 320@MS, Au-Mag 320@MS, and RAM nanoparticles; cytotoxicity assay of RAM using different cell lines at various concentrations; mouse MRI images acquired at different time points after injection of RAM and after blocking experiment with soluble cRGD; biodistribution of RAM in mice; DLS and ICP-AES values from the RAM nanoparticle analysis (PDF)

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