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Table 4 Results of the absorbance difference of the combinations of ChE dilution and ATCh concentration

From: Developing an in-house colorimetric method for detecting organophosphate and carbamate residue using cricket cholinesterase

ATCh (mM/mL)

Difference Absorbance (min5–min1)

Dilution (1:x)

1

2

4

8

7.50

2.01 ± 0.19

1.30 ± 0.06

0.52 ± 0.11

0.30 ± 0.15

3.75

1.44 ± 0.03

1.00 ± 0.01

0.50 ± 0.16

0.34 ± 0.01

  1. ATCh Acetylthiocholine iodide