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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: pH-responsive and hyaluronic acid-functionalized metal–organic frameworks for therapy of osteoarthritis

Fig. 1

TEM images of a MOF, b MOF@HA and c MOF@HA@PCA. d FTIR spectra of BTC, HA, and MOF@HA. e XRD spectra of MOF and MOF@HA. f Cumulative in vitro drug release profile of PCA in PBS (pH 5.6, 7.4) from MOF@HA@PCA. Data was represented as mean ± SD (n = 3). g DLS of the MOF@HA@PCA. h Zeta potential of MOF, MOF@HA and MOF@HA@PCA. i The stability analysis of MOF. (n = 3, mean ± SD)

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