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(A) TEM image of the surface microstructure and (B) N2 adsorption (black line)–desorption (red line) isotherms and corresponding pore size distributions (inset) of composite scaffold P8 after sufficient drying.
Note: P8 represents the PLGA scaffold coated by MBG precursor solution for 8 times.
Abbreviations: TEM, transmission electron microscopy; MBG, mesoporous bioactive glass; PLGA, poly(lactic-co-glycolic acid); STP, standard temperature and pressure.
