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Journal for Biophysical Chemistry

Fig. 1 | Biointerphases

Fig. 1

From: Bioactive Glass 45S5 Powders: Effect of Synthesis Route and Resultant Surface Chemistry and Crystallinity on Protein Adsorption from Human Plasma

Fig. 1

Secondary electron SEM micrographs of a crystalline gel-derived 45S5, b amorphous melt-cast 45S5, and c crystalline (devitrified) melt-cast 45S5. Notice the agglomerated particles in the gel-derived specimen (a) which gives rise to submicron porosity, whereas the melt-cast glasses in (b) and (c) have much smoother surfaces. Upon heat treatment to change from state (b) to (c) the glass devitrifies and the sharp angular fractured surfaces smoothen slightly due to glass softening at 720 °C

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