A Functionalized Paper Strip-Based Platform for Rapid Detection of Anticancer Drug Concentrations

Table 7

Comparison of reference and estimated values of MTX concentrations in μmol/mL.

	Reference values
	7.18 μmol/mL	62.5 μmol/mL	125 μmol/mL
f (Hz)	Estimated values
796.21	9.47	65.77	127.81
957.26	8.94	65.03	127.17
1150.88	8.44	64.36	126.60
1383.66	7.99	63.71	126.08
1663.53	7.56	63.09	125.56
2404.53	6.81	61.93	124.49
2890.88	6.46	61.38	124.00
3475.60	6.14	60.83	123.50
4178.59	5.83	60.30	123.04
5023.77	5.54	59.79	122.65