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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 4.

Application of 70 compound method after protein precipitation for human serum. The average of 3 repeated injections with standard deviation is reported below. Values for analytes were reported only if they were above the LoD.

Analyte LoD
(nM)
Concentration (nM)
Human Serum
Analyte LoD
(nM)
Concentration (nM)
Human Serum
Ach 4 380 ± 10 Thr 30 62000 ± 5000
Ch 50 15200 ± 200 VMA 20
CA 50 Trp 30 51000 ± 3000
His 30 37000 ± 1000 MOPEG 5 20 ± 5
Ans 3 160 ± 20 Kyo 5 31 ± 3
Carn 6 14 ± 3 Cys 30 1600 ± 100
HTau 500 160000 ± 10000 KA 40 220 ± 30
Tau 60 115000 ± 2000 Spd 2 41 ± 0.6
Arg 10 7100 ± 300 PhEt 1
Hist 2 41 ± 2 TrpA 2
Asn 70 20900 ± 800 NAS 2
Ser 700 45000 ± 4000 5HIAA 5 67 ± 4
Gln 10 180000 ± 10000 5HTOL 10 16 ± 2
HSer 100 65000 ± 2000 HCY 30
Cit 20 9400 ± 200 3HAA 20 76 ± 6
ETA 10 6300 ± 100 HCA 10 56 ± 7
Asp 200 2300 ± 200 HVA 20 57 ± 1
Agm 20 DOMA 6
Glc 500 1050000 ± 90000 Kyn 40 2380 ± 50
Gly 200 102000 ± 4000 Spm 2 39 ± 3
Glu 30 21800 ± 700 DOPEG 2
BAla 20 2300 ± 400 5HTP 30
Ala 70 254000 ± 8000 OA 2
NAP 7 24 ± 2 NM 2
GABA 4 115 ± 4 Tyr 40 56000 ± 1000
Pro 30 24300 ± 3000 3HK 200
Ado 3 Syn 4
Val 40 160000 ± 10000 5HT 3 300 ± 40
Met 8 21800 ± 300 DOPAC 5
Orn 200 27400 ± 300 3MT 4
GSH 90 LDOPA 2 390 ± 20
Lys 40 37000 ± 1000 TyrA 8
Put 0.4 13 ± 1 NE 3 3.2 ± 0.7
Leu 40 139000 ± 3000 E 4
Phe 30 63000 ± 3000 DA 2