Quantitative Detection of Gastrointestinal Tumor Markers Using a Machine Learning Algorithm and Multicolor Quantum Dot Biosensor

Table 1

Linear area table of simultaneous multi-indicator detection using the multiple QD biosensor.

Tumormarkers	Standard curve line	Linear workingarea (ng/mL)	R^2
CA125	y = 0.2248x − 3.7298	2.0∼51.5	0.9884
CA-19-9	y = 0.1658x + 2.4854	4.5∼40.0	0.9756
CEA	y = 0.1262x − 3.3665	2.0∼29.5	0.9637
AFP	y = 0.1135x + 6.9125	8.5∼36.5	0.9601