Table 1 The results of application of the PQ-ZnFe2O4@MIPs μSPAD in real water

From: Molecular imprinting-based indirect fluorescence detection strategy implemented on paper chip for non-fluorescent microcystin

Sample

MC-RR spiked concentration

MC-RR detected results

Recovery ± RSDs

(μg/L)

(μg/L)

%

Sea water

1

0

2

5.00

5.49

109.8 ± 5.36

3

10.00

10.55

105.5 ± 4.41

4

15.00

13.82

92.1 ± 6.77

Sanyuanhu Lake water

1

0

2

5.00

5.12

102.4 ± 4.28

3

10.00

10.33

103.3 ± 4.14

4

15.00

15.41

102.7 ± 5.23

  1. Note: the natural pH of Sanyuan Lake water is 7.0. The seawater samples were diluted three times with HEPES buffer of pH 7.0.
  2. (n = 5)