Figure 4.
Images of HET-CAM incubated in direct contact with the test substances for between 0 and 300 s: (a) 0.9% w/v NaCl solution, (b) 0.1 N NaOH solution, (c) free CFE solution, (d) CFE-NLCs, and (e) blank NLCs. The scale bar is 1 mm (n = 6)
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