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Fig. 2 | Journal of Nanobiotechnology

Fig. 2

From: All-in-one theranostic nano-platform based on polymer nanoparticles for BRET/FRET-initiated bioluminescence imaging and synergistically anti-inflammatory therapy for ulcerative colitis

Fig. 2

Characterization of NP. A The morphology of BA/Res@NP was characterized by TEM. B The morphology of BA/Res@NP-PBP. C Their size and D zeta potential. E FTIR spectra of PBP and BA/Res@NP-PBP showed the absorption of the PBP group at 988.68 cm−1, 928.98 cm−1, and 524.82 cm−1. F Cumulative release profiles of BA and Res from BA@NP, Res@NP, and BA/Res@NP in pH 6.5, pH 7.4 (G), and pH 8.0 (H) were evaluated after different durations of dialysis (1, 2, 4, 8, 12, 24, 32 and 48 h), as quantified by ultraviolet spectrophotometer. FTIR: Fourier transform infrared spectroscopy. The experiments were repeated three times independently

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Journal of Nanobiotechnology

ISSN: 1477-3155

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