NANOSCIENCE – THEORY TO APPLICATION

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2 article(s) from Lettieri, Stefania

Interface properties of nanostructured carbon-coated biological implants: an overview

Mattia Bartoli,
Francesca Cardano,
Erik Piatti,
Stefania Lettieri,
Andrea Fin and
Alberto Tagliaferro

Beilstein J. Nanotechnol. 2024, 15, 1041–1053, doi:10.3762/bjnano.15.85

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Figure 1: Relation between nanostructured carbon materials and the tuned properties in biological implants.

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Figure 2: Summary of carbon allotropes: (a) NDs, (b) graphene-related materials, and (c) CNTs. Figure 2 was adapted f...

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Figure 4: Biofilm formation on an implanted biomaterial due to the presence of planktonic bacteria cells. Figure 4 wa...

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Review

Published 16 Aug 2024

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Carbon nano-onions as fluorescent on/off modulated nanoprobes for diagnostics

Stefania Lettieri,
Marta d’Amora,
Adalberto Camisasca,
Alberto Diaspro and
Silvia Giordani

Beilstein J. Nanotechnol. 2017, 8, 1878–1888, doi:10.3762/bjnano.8.188

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Scheme 1: Synthesis of BODIPY derivatives 2 and 3. i) 2,4-dimethylpyrrole, TFA, DCM, DIPEA, BF₃OEt₂; ii) 4-(N,...

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Scheme 2: Procedure for the preparation of carboxy-functionalized oxi-CNO and fluorescently labelled fluo-CNO...

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Figure 1: Emission spectra of BODIPY 3 (blue line: Excitation at 680 nm; emission at 737 nm) and BODIPY 4 (re...

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Figure 2: A) Protonated (fluo-CNOs-1a) and non-protonated (fluo-CNOs-1b) forms of fluo-CNOs. B) Emission spec...

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Figure 3: Thermogravimetric analysis (TGA) spectra of the functionalized CNOs. TGA (solid lines) and the corr...

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Figure 4: Raman spectra of the functionalized CNOs. The Raman spectra are normalized to the G-band at 1580 cm...

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Figure 5: Effective hydrodynamic diameter of oxi-CNOs (black line) and fluo-CNOs (red line) in PBS at a conce...

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Figure 6: Cellular viability of HeLa cells treated with different concentrations (1, 2, 5, 10 and 20 µg mL⁻¹)...

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Figure 7: Confocal fluorescence images of HeLa cells treated with 20 μg mL⁻¹ of fluo-CNOs. (A) PBS for 1 h, p...

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Figure 8: Cellular uptake and localization of fluo-CNOs in HeLa cells in acidic conditions (PBS, pH 4.5) obse...

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Figure 9: Three-dimensional reconstruction by confocal microscopy of cells incubated for 12 h with 20 µg mL⁻¹...

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Full Research Paper

Published 07 Sep 2017

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