Table 2 Intra-day and inter-day precision of PSA (n = 6).

From: Ultrasensitive electrochemical biosensor based on MXene quantum dots for prostate cancer biomarker detection

Added

(pg mL− 1)

Intra-day

Inter-day

Found a (pg mL− 1)

Precision b (%)

Found a (pg mL− 1)

Precision b (%)

0.3

0.3001

0.151

0.3002

0.152

0.6

0.6001

0.139

0.6001

0.140

0.9

0.9001

0.148

0.9002

0.137

  1. a Mean.
  2. b Precision %: Relative Standard Deviation (RSD).
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