582531.fig.004a
(a)
582531.fig.004b
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582531.fig.004c
(c)
Figure 4: Evanescent field-enhanced fluorescence images via prism-type TIRFM of (a) standard AFP (AFP-positive sample), (b) normal (nonpathologic) human serum, and (c) AFP-spiked human serum on gold nanopatterned chip.