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  Indian J Med Microbiol
 

Figure 3: Physical characterization of samples. (A) Scanning electron microscopy of baicalin ×1000 (a), scanning electron microscopy of andrographolide ×50 (b), scanning electron microscopy of mixture ×300 (c), and scanning electron microscopy of composites ×500 (d). (B) Determination results of contact angle (n = 5, °), ***P < 0.001, effect of composite within andrographolide and mixture. (C) Infrared spectra of baicalin (a), andrographolide (b), mixture (c), and composite (d)

Figure 3: Physical characterization of samples. (A) Scanning electron microscopy of baicalin ×1000 (a), scanning electron microscopy of andrographolide ×50 (b), scanning electron microscopy of mixture ×300 (c), and scanning electron microscopy of composites ×500 (d). (B) Determination results of contact angle (<i>n</i> = 5, °), ***P < 0.001, effect of composite within andrographolide and mixture. (C) Infrared spectra of baicalin (a), andrographolide (b), mixture (c), and composite (d)