Yan Wujuan, Wang Xiuhong, Yao Qian, Qiao Pengfei, Lang Marion C. Detection of Cancer Cells Based on Fluorescence Quenching Property of Black Phosphorus[J]. Chinese Journal of Lasers, 2018, 45(2): 207030
- Chinese Journal of Lasers
- Vol. 45, Issue 2, 207030 (2018)
Fig. 1. TEM images of BP nanosheets
Fig. 2. Fluorescence intensity of DNA aptamer labeled with different fluorescence concentrations
Fig. 3. Fluorescence quenching effects of BP nanosheets with different concentrations on CdTe quantum dots
Fig. 4. Effect of cell number on restoration of fluorescence intensity
Fig. 5. Fluorescence intensities at 520 nm under different number of cells
Fig. 6. Fluorescence intensities under different conditions
Fig. 7. Schematic of fluorescence quenching and restoration. (a) Fluorescence of specific DNA-aptamer can be restored with the addition of target cells; (b) fluorescence of random-DNA sequence can not be restored with the addition of target cells
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Table 1. Fluorescence quenching rate of BP with different concentrations
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