Table 3 Analytical performance of the BIP/MGCE biosensor for E. coli detection in spiked biological matrices (urine and serum).

From: An ultrasensitive and selective electrochemical biosensor for Escherichia coli based on bacteria-imprinted polydopamine and a magnetic nanocomposite modifier

Sample

Added (CFU/mL)

Found (CFU/mL)

Recovery (%)

RSD% (n = 3)

Urine

0.00

1.00 × 101

1.00 × 102

1.00 × 103

ND

1.02 × 101

9.80 × 101

1.03 × 103

–

101.86

98.07

103.13

–

0.52

0.72

1.06

Serum

0.00

1.00 × 101

1.00 × 102

1.00 × 103

ND

0.97 × 101

9.87 × 101

1.02 × 103

–

97.17

98.73

102.15

–

1.05

1.63

0.89

  1. *ND: Not detected.
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