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Fig. 4 | Journal of Nanobiotechnology

Fig. 4

From: Magnetic resonance imaging with upconversion nanoprobes capable of crossing the blood-cerebrospinal fluid barrier

Fig. 4

(a) Typical confocal UCL images of Z310 cells cultured with ANG-PEG-UCNP, PEG-UCNP, Gd-DTPA with fluorescein isosulfate (FITC), and iohexol with FITC. (b) Fluorescence distributions of ANG-PEG-UCNP, PEG-UCNP, Gd-DTPA with FITC, and iohexol with FITC. (c) Typical confocal UCL images of Z310 cells treated with ANG-PEG-UCNP, PEG-UCNP, and ANG-PEG-UCNP after blocking with free ANG. All samples were standardized at a concentration of 300 µg/mL. (d) Distribution of fluorescence after treatment with ANG-PEG-UCNP, PEG-UCNP, and ANG-PEG-UCNP after blocking with free ANG.

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