Figure 4 | Scientific Reports

Figure 4

From: Investigations of the Influences of Processing Conditions on the Properties of Spray Dried Chitosan-Tripolyphosphate Particles loaded with Theophylline

Figure 4

SEM images of the drug-loaded TH/Chitosan-TPP particles prepared from several TPP/Chitosan mass ratios. (a) B1, 0.06, (b) B2, 0.08, (c) B3, 0.1, (d) B4, 0.2 and (e) B5, 0.4 w/v% at a fixed chitosan concentration of 0.1 w/v%, the airflow rate of 0.075 L/min and the inlet temperature of 70 °C. (scale bar = 1 µm).

Back to article page