EMT^*

TDF^*

Baseline noise (N)

N = 56 µV

N = 56

Peak area of LOD standard (S)

S = 176 µV

S = 175

Peak area of LOQ standard (S)

S = 588 µV

S = 586

LOD = S/N

2.98

2.97

LOQ = S/N

9.97

9.93

LOD concentration

0.04 µg/mL

0.06 µg/mL

LOQ concentration

0.15µg/mL

0.225µg/mL