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. Author manuscript; available in PMC: 2018 Jun 6.
Published in final edited form as: Anal Chem. 2017 Nov 7;89(22):12433–12440. doi: 10.1021/acs.analchem.7b03527

Figure 4.

Figure 4

Detection of Ebola virus with optical-fiber based fluorometer. Calibration curve showing the relationship between the target concentrations and fluorescence intensity on a logarithmic scale. RNase-free water background signal was subtracted from both of the positive and negative signals. The limit of detection of the Ebola virus in blood with the 10× on-chip concentration protocol is ∼800 aM determined with a positive-to-negative signal ratio of ∼3:1. Error bars are standard error of the mean.