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Fig. 2 | Journal of Nanobiotechnology

Fig. 2

From: Autophagy-amplifying nanoparticles evoke immunogenic cell death combined with anti-PD-1/PD-L1 for residual tumors immunotherapy after RFA

Fig. 2

Preparation and Characterization of STF-BMS@ZIF-8/PEG-FA. A, B TEM images of ZIF-8 and STF-BMS@ZIF-8/PEG-FA. Scale: 20 nm. C, D TEM test the particle size distribution of ZIF-8 and STF-BMS@ZIF-8/PEG-FA. E Ultraviolet–visible spectroscopy of ZIF-8, STF, STF-BMS@ZIF-8, STF-BMS@ZIF-8/PEG-FA. F Zeta potentials of ZIF-8, STF-BMS@ZIF-8, and STF-BMS@ZIF-8/PEG-FA (n = 3). G, H pH-responsive release percentage of STF and BMS from STF-BMS@ZIF8/PEG-FA in different buffers at pH 5.5 and 7.4. I XRD of ZIF-8, STF-BMS@ZIF-8, and STF-BMS@ZIF-8/PEG-FA. J FITR of ZIF-8, STF-BMS@ZIF-8, and STF-BMS@ZIF-8/PEG-FA. K Thermogravimetric analysis of ZIF-8 and STF-BMS@ZIF-8/PEG-FA. L XPS spectra of ZIF-8, STF-BMS@ZIF-8, and STF-BMS@ZIF-8/PEG-FA (C1s, N1s, O1s, S2p). ZIF-8, zeolitic imidazolate framework-8; STF, STF62247; BMS202, BMS; SBZ, STF- BMS@ZIF-8; SBZP, STF- BMS @ZIF-8@PEG-FA; TEM, Transmission emission micrography; FTIR, Fourier transform IR; XRD, X-ray diffraction; XPS, X-ray photoelectron spectroscopy; FITC, Fluorescein Isothiocyanate

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