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. Author manuscript; available in PMC: 2017 May 13.
Published in final edited form as: J Chromatogr A. 2016 Apr 4;1446:78–90. doi: 10.1016/j.chroma.2016.04.006

Table 2.

Summary of limits of detection (LOD), carryover, relative standard deviation (n = 3), and R2 value of a six-point calibration for aqueous standards.

Analyte LoD
(nM)		 Carryover
(%)		 RSD
(%)		 Fit
(R2)		 Analyte LoD
(nM)		 Carryover
(%)		 RSD
(%)		 Fit
(R2)
Ach 1 1 0.7 0.9996 Thr 5 0.3 1 0.9995
Ch 3 0.2 1 0.9997 VMA 1 0.1 1 0.9999
CA 4 0.02 2 1.0000 Trp 1 0.1 0.9 0.9997
His 2 0.1 2 0.9996 MOPEG 0.7 0.08 0.6 0.9999
Ans 0.4 0.03 2 0.9999 Kyo 0.2 0.2 2 0.9998
Carn 0.8 0.04 2 0.9999 Cys 1 0.1 5 0.9971
HTau 7 0.05 4 0.9977 KA 1 0.1 0.9 0.9997
Tau 3 0.02 1 0.9998 Spd 0.09 0.1 0.5 0.9994
Arg 1 0.5 3 0.9576 PhEt 0.08 0.09 2 0.9989
Hist 0.09 0.04 3 0.9996 TrpA 0.1 0.09 3 0.9993
Asn 2 0.1 2 0.9999 NAS 0.09 0.06 0.8 0.9997
Ser 70 0.6 1 0.9976 5HIAA 0.7 0.08 0.8 0.9999
Gln 4 0.2 3 0.9998 5HTOL 0.9 0.07 1 0.9997
HSer 11 0.5 3 0.9994 HCY 0.9 0.08 1 0.9968
Cit 20 2 2 0.9965 3HAA 1 0.1 0.9 0.9996
ETA 6 0.4 2 0.9997 HCA 1 0.09 2 0.9998
Asp 8 0.05 1 0.9999 HVA 0.6 0.07 0.4 1.0000
Agm 1 0.03 4 0.9997 DOMA 0.3 0.2 3 0.9998
Glc 160 0.06 6 0.9997 Kyn 1 0.1 3 0.9994
Gly 30 0.09 7 0.9997 Spm 0.1 0.1 2 0.9984
Glu 0.3 0.2 1 1.0000 DOPEG 0.1 0.1 1 0.9992
BAla 5 0.09 1 1.0000 5HTP 2 0.2 3 0.9996
Ala 20 2 2 0.9994 OA 0.2 0.2 1 0.9983
NAP 0.5 0.05 1 0.9999 NM 0.08 0.09 2 0.9988
GABA 0.5 0.4 2 0.9997 Tyr 4 2 3 0.9950
Pro 5 0.5 0.4 0.9996 3HK 8 0.06 2 0.9941
Ado 1 0.1 0.2 0.9956 Syn 0.2 0.2 0.1 0.9982
Val 7 0.6 3 0.9998 5HT 0.4 0.4 1 0.9970
Met 0.7 0.09 1 0.9998 DOPAC 0.2 0.2 2 0.9999
Orn 7 0.4 0.2 0.9963 3MT 0.2 0.2 2 0.9987
GSH 10 0.1 2 0.9999 LDOPA 1 0.9 2 0.9999
Lys 4 2 0.7 0.9867 TyrA 0.2 0.3 1 0.9964
Put 0.1 0.1 1 0.9999 NE 0.3 0.2 2 0.9970
Leu 5 4 2 0.9894 E 0.3 0.2 1 0.9964
Phe 3 0.2 0.8 0.9999 DA 0.3 0.3 3 0.9965