Mannose-functionalized porous silica-coated magnetic nanoparticles for two-photon imaging or PDT of cancer cells

  • Marine Perrier
  • Magali Gary-Bobo
  • Lenaïc Lartigue
  • David Brevet
  • Alain Morère
  • Marcel Garcia
  • Philippe Maillard
  • Laurence Raehm
  • Yannick Guari
  • Joulia Larionova
  • Jean-Olivier Durand
  • Olivier Mongin
  • Mireille Blanchard-Desce
Research Paper


An original fluorophore engineered for two-photon excitation or a porphyrin derivative were entrapped in the silica shell of magnetic porous silica nanoparticles during the synthesis of the silica moiety without damaging the structure of the organic part. The mild conditions involved allowed obtaining microporous or mesoporous silica magnetic nanoparticles, respectively. Mannose was grafted on the surface of the nanoparticles to target MCF-7 breast cancer cells. The studies of magnetic properties of these hybrid nanoparticles show that they present a blocking temperature at 190 K. The nano-objects designed with the two-photon fluorophore were efficient for two-photon imaging of MCF-7 cancer cells, whereas the nano-objects with the photosensitizer efficiently killed cancer cells. The presence of the mannose moiety was demonstrated to improve both imaging and therapy properties.


Photodynamic therapy Two-photon imaging Magnetic meosoporous silica nanoparticles Mannose 



GDR “GDR CNRS 3049 Photomed Médicaments photoactivables—Photochimiothérapie,” Association pour la Recherche sur le Cancer” no SFI20101201906 and the non-profit organization Rétinostop is gratefully acknowledged. We gratefully thank Michel Gleizes for technical assistance, Emmanuel Schaub from PIXEL platform (multiphotonic microscopy facilities, University of Rennes 1), Corine Reibel and PAC, ICGM for magnetic measurements. L. L. thanks the UFI (GF/IR/732/07, no 25) for financial support. J.O.D, J.L., M.P., Y. G., L.R. thank CNRS, Université Montpellier 2 for financial support.

Supplementary material

11051_2013_1602_MOESM1_ESM.docx (252 kb)
Supplementary material 1 (DOCX 252 kb)


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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Marine Perrier
    • 3
  • Magali Gary-Bobo
    • 1
  • Lenaïc Lartigue
    • 3
  • David Brevet
    • 3
  • Alain Morère
    • 1
  • Marcel Garcia
    • 1
  • Philippe Maillard
    • 4
    • 5
  • Laurence Raehm
    • 3
  • Yannick Guari
    • 3
  • Joulia Larionova
    • 3
  • Jean-Olivier Durand
    • 3
  • Olivier Mongin
    • 6
  • Mireille Blanchard-Desce
    • 2
  1. 1.Institut des Biomolécules Max Mousseron UMR 5247 CNRSFaculté de Pharmacie, Université Montpellier 1, Université Montpellier 2Montpellier Cedex 05France
  2. 2.Institut des Sciences Moléculaires, UMR CNRS 5255Université BordeauxTalence CedexFrance
  3. 3.Institut Charles Gerhardt MontpellierUMR 5253 CNRS-UM2-ENSCM-UM1Montpellier Cedex 05France
  4. 4.UMR 176 CNRS, Institut CurieUniversité Paris-SudOrsayFrance
  5. 5.Section de Recherches, Institut Curie, Centre UniversitaireUniversité Paris-SudOrsayFrance
  6. 6.Institut des Sciences Chimiques de Rennes, CNRS UMR 6226Université de Rennes 1Rennes CedexFrance

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