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. 2021 Sep 29;16(9):e0257947. doi: 10.1371/journal.pone.0257947

Fig 1. Characterisation of silica nanocarriers.

Fig 1

Example of TEM images (bar represents 100 nm) of (a) amino functionalised silica nanoparticles and (b) after deposition of 10 QL. Size distribution of amino functionalised silica nanoparticles (violet) and after the deposition of 10 QL (green) (c); examples of thermogram for silica nanoparticles layered with different number of quadruple layer containing chlorhexidine (d). Cumulative chlorhexidine release for silica nanoparticles layered with different number of quadruple layer in buffer pH 5 (e) and pH 7.3 (f) (mean ± SD, n = 3).