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Fig. 5 | Journal of Nanobiotechnology

Fig. 5

From: Au–Ag assembled on silica nanoprobes for visual semiquantitative detection of prostate-specific antigen

Fig. 5

a Test of reproducibility using SiO2@Au–Ag NPs as a signal reporter with clinical samples (0.53 ng/mL PSA) in LFIA. (i) Color images and (ii) measurement of signal in-tensity. b Test of stability using SiO2@Au–Ag NPs with clinical sample (0.56 ng/mL PSA) in LFIA. (i) Color image and (ii) measurement of signal intensity. Error bars represent standard deviations of the means for three batches of analyte measurements

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