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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: Biodegradable mesoporous manganese carbonate nanocomposites for LED light-driven cancer therapy via enhancing photodynamic therapy and attenuating survivin expression

Fig. 1

Characterization of MRp NCs. a Low magnification and b high resolution TEM images of MnCO3 NCs. Inset, TEM of the corresponding MnCO3 NC. c XRD spectra of MnCO3 NCs and PEI-MnCO3 NCs. d N2 adsorption–desorption isotherms and e desorption pore size distribution of PEI-MnCO3 NCs. f Zeta potential of CTAB-MnCO3, fine MnCO3 (washed out CTAB) and PEI-MnCO3. g Absorbance spectra of PEI-MnCO3, Rf and MRf. The MRf was almost overlapped with Rf, the loading efficiency was calculated to be 90%. h Agarose-gel electrophoresis of MRf and pDNA at different weight ratios. i Electron spin trapping (ESR) spectra of PEI-MnCO3, Rf and MRf with H2O2 (10 mM) under LED light using DMPO

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