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Table 1 Comparison of the sensitivity of different CTCs detection methods

From: A micro-/nano-chip and quantum dots-based 3D cytosensor for quantitative analysis of circulating tumor cells

Methods

Linear range (cells mL−1)

Detection limit (cells mL−1)

Refs

3D cytosensor

101–105

8

Present work

SERS nanoprobes

1–102

1

[25]

SERS nanoparticles

5–500

5

[26]

GASI chip

1–51

1

[27]

Microchip cytosensor

101–107

10

[21]

LSAW aptasensor

102–107

32

[28]

PEC biosensor

102–106

58

[29]

Colorimetric aptasensor

102–104

40

[30]

Aptamer/QDs cytosensor

102–106

50

[31]