Table 2 Determination of l-cysteine in human urine samples (n = 5).

From: UV-induced Zn:Cd/S quantum dots in-situ formed in the presence of thiols for sensitive and selective fluorescence detection of thiols

Sample

Added concentration (µg/mL)

Found (µg/mL)

RSD (%)

1

0

18.73 ± 3.07

16.39

2

30

49.04 ± 1.14

2.32

3

50

70.32 ± 6.11

8.69

4

70

89.56 ± 11.55

12.90

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