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Continuous chemical operations and modifications on magnetic γ-Fe2O3 nanoparticles confined in nanoliter droplets for the assembly of fluorescent and magnetic SiO2@γ-Fe2O3

Abstract : We present a microfluidic platform that allows undergoing different chemical operations in a nanoliter droplet starting from the colloidal suspension of magnetic iron oxide (γ-Fe2O3) nanoparticles “NPs” (ferrofluid). These operations include: mixing, flocculation, magnetic decantation, colloidal redispersion, washing, surface functionalization, heating and colloidal assembly. To prove the platform capabilities, we produced fluorescent and magnetic nanoassemblies composed of fluorescent silica and magnetic NPs.
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https://hal.sorbonne-universite.fr/hal-01219164
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Submitted on : Thursday, October 22, 2015 - 10:52:36 AM
Last modification on : Wednesday, December 9, 2020 - 3:14:18 PM
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D Ferraro, Y Lin, B Teste, Damien Talbot, L Malaquin, et al.. Continuous chemical operations and modifications on magnetic γ-Fe2O3 nanoparticles confined in nanoliter droplets for the assembly of fluorescent and magnetic SiO2@γ-Fe2O3 . Chemical Communications, Royal Society of Chemistry, 2015, 51 (95), pp.16904-16907. ⟨10.1039/C5CC07044A⟩. ⟨hal-01219164⟩

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