Fig. 4: Optimization of the assay parameters. | Microsystems & Nanoengineering

Fig. 4: Optimization of the assay parameters.

From: Microfluidic magnetic detection system combined with a DNA framework-mediated immune-sandwich assay for rapid and sensitive detection of tumor-derived exosomes

Fig. 4

a Incubation time between TDEs and MNRs in the μFMS. b Flow rate in the μFMS. The error bar indicates the standard deviation of measurements (n = 3). c The relationship between the fluorescence intensity of CD63-FAM-MNPs and FAM-modified aptamer at different concentrations

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