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Table 2 The linear detection range and detection limits of biomarkers

From: A Novel Electrochemical Microfluidic Chip Combined with Multiple Biomarkers for Early Diagnosis of Gastric Cancer

Biomarkers	Detection range	Detection limit
CEA (ng mL⁻¹)	0.37–90	0.37
CA19-9 (U mL⁻¹)	10.75–172	10.75
H.P. (U L⁻¹)	10–160	5
P53 (pg mL⁻¹)	35–560	35
PG I (ng mL⁻¹)	37.5–600	37.5
PG II (ng mL⁻¹)	2.5–80	2.5

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