Aluminium hydroxide stabilised MnFe2O4 and Fe3O4 nanoparticles as dual-modality contrasts agent for MRI and PET imaging

Xianjin Cui, Salome Belo, Dirk Krüger, Yong Yan, Rafael T.M. de Rosales, Maite Jauregui-Osoro, Haitao Ye, Shi Su, Domokos Mathe, Noémi Kovács, Ildikó Horváth, Mariann Semjeni, Kavitha Sunassee, Krisztian Szigeti, Mark A. Green, Philip J. Blower

Research output: Contribution to journalArticle

Abstract

Magnetic nanoparticles (NPs) MnFe2O4 and Fe3O4 were stabilised by depositing an Al(OH)3 layer via a hydrolysis process. The particles displayed excellent colloidal stability in water and a high affinity to [18F]-fluoride and bisphosphonate groups. A high radiolabeling efficiency, 97% for 18F-fluoride and 100% for 64Cu-bisphosphonate conjugate, was achieved by simply incubating NPs with radioactivity solution at room temperature for 5min. The properties of particles were strongly dependant on the thickness and hardness of the Al(OH)3 layer which could in turn be controlled by the hydrolysis method. The application of these Al(OH)3 coated magnetic NPs in molecular imaging has been further explored. The results demonstrated that these NPs are potential candidates as dual modal probes for MR and PET. In vivo PET imaging showed a slow release of 18F from NPs, but no sign of efflux of 64Cu.

Original languageEnglish
Pages (from-to)5840-5846
Number of pages7
JournalBiomaterials
Volume35
Issue number22
Early online date24 Apr 2014
DOIs
Publication statusPublished - 1 Jul 2014

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Aluminum Hydroxide
Hydrated alumina
Nanoparticles
Magnetic resonance imaging
Contrast Media
Imaging techniques
Diphosphonates
Fluorides
Hydrolysis
Molecular imaging
Molecular Imaging
Radioactivity
Hardness
manganese ferrite
Temperature
Water

Bibliographical note

Creative Commons Attribution 3.0 Unported (CC BY 3.0)

Open Access funded by Wellcome Trust.
Funding: Centre of Excellence in Medical Engineering funded by the Wellcome Trust; EPSRC under grant number WT088641/Z/09/Z and WT088641/Z/09/Z (in association with the MRC); King’s College London; UCL Comprehensive Cancer Imaging Centre funded by the CRUK (C1519/A10331); and National Institute for Health Research Biomedical Research Centre at Guy’s and St Thomas’ NHS Foundation Trust and King’ s College London. The scanning equipment funded by an equipment grant from the Wellcome Trust.

Supplementary data: http:// dx.doi.org/10.1016/j.biomaterials.2014.04.004

Keywords

  • magnetic nanoparticles
  • PET
  • aluminium hydroxide
  • dual-modal
  • 18F

Cite this

Cui, X., Belo, S., Krüger, D., Yan, Y., de Rosales, R. T. M., Jauregui-Osoro, M., ... Blower, P. J. (2014). Aluminium hydroxide stabilised MnFe2O4 and Fe3O4 nanoparticles as dual-modality contrasts agent for MRI and PET imaging. Biomaterials, 35(22), 5840-5846. https://doi.org/10.1016/j.biomaterials.2014.04.004
Cui, Xianjin ; Belo, Salome ; Krüger, Dirk ; Yan, Yong ; de Rosales, Rafael T.M. ; Jauregui-Osoro, Maite ; Ye, Haitao ; Su, Shi ; Mathe, Domokos ; Kovács, Noémi ; Horváth, Ildikó ; Semjeni, Mariann ; Sunassee, Kavitha ; Szigeti, Krisztian ; Green, Mark A. ; Blower, Philip J. / Aluminium hydroxide stabilised MnFe2O4 and Fe3O4 nanoparticles as dual-modality contrasts agent for MRI and PET imaging. In: Biomaterials. 2014 ; Vol. 35, No. 22. pp. 5840-5846.
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abstract = "Magnetic nanoparticles (NPs) MnFe2O4 and Fe3O4 were stabilised by depositing an Al(OH)3 layer via a hydrolysis process. The particles displayed excellent colloidal stability in water and a high affinity to [18F]-fluoride and bisphosphonate groups. A high radiolabeling efficiency, 97{\%} for 18F-fluoride and 100{\%} for 64Cu-bisphosphonate conjugate, was achieved by simply incubating NPs with radioactivity solution at room temperature for 5min. The properties of particles were strongly dependant on the thickness and hardness of the Al(OH)3 layer which could in turn be controlled by the hydrolysis method. The application of these Al(OH)3 coated magnetic NPs in molecular imaging has been further explored. The results demonstrated that these NPs are potential candidates as dual modal probes for MR and PET. In vivo PET imaging showed a slow release of 18F from NPs, but no sign of efflux of 64Cu.",
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Cui, X, Belo, S, Krüger, D, Yan, Y, de Rosales, RTM, Jauregui-Osoro, M, Ye, H, Su, S, Mathe, D, Kovács, N, Horváth, I, Semjeni, M, Sunassee, K, Szigeti, K, Green, MA & Blower, PJ 2014, 'Aluminium hydroxide stabilised MnFe2O4 and Fe3O4 nanoparticles as dual-modality contrasts agent for MRI and PET imaging', Biomaterials, vol. 35, no. 22, pp. 5840-5846. https://doi.org/10.1016/j.biomaterials.2014.04.004

Aluminium hydroxide stabilised MnFe2O4 and Fe3O4 nanoparticles as dual-modality contrasts agent for MRI and PET imaging. / Cui, Xianjin; Belo, Salome; Krüger, Dirk; Yan, Yong; de Rosales, Rafael T.M.; Jauregui-Osoro, Maite; Ye, Haitao; Su, Shi; Mathe, Domokos; Kovács, Noémi; Horváth, Ildikó; Semjeni, Mariann; Sunassee, Kavitha; Szigeti, Krisztian; Green, Mark A.; Blower, Philip J.

In: Biomaterials, Vol. 35, No. 22, 01.07.2014, p. 5840-5846.

Research output: Contribution to journalArticle

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AU - Belo, Salome

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AU - Yan, Yong

AU - de Rosales, Rafael T.M.

AU - Jauregui-Osoro, Maite

AU - Ye, Haitao

AU - Su, Shi

AU - Mathe, Domokos

AU - Kovács, Noémi

AU - Horváth, Ildikó

AU - Semjeni, Mariann

AU - Sunassee, Kavitha

AU - Szigeti, Krisztian

AU - Green, Mark A.

AU - Blower, Philip J.

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