A Novel Solid Substrate Room Temperature Phosphorimetry for the Determination of Trace Cytochrome C and Forecast of Human Diseases

Table 2

Comparison of analytic methods (Note: y and x in [11] were peak area and analyte concentration (pM), resp.).

Method	Linear range; (g mL^−1)	Regression equation	𝑟	DL; (g mL^−1)	RSD; (%)
Paper method	1.0×10^−16 –2.4×10^−14	Δ𝐼p=1.609+12.39mCytC  (ag spot^−1) (Sb = 0.048, n = 6)	0.9994	3.0×10^−17	2.3–3.0
Rayleigh scattering spectroscopy [4]	3.6×10^−4 –1.31×10^−6	𝐼=27.4+721.98C (mg L^−1) (n = 5)	0.9987	10.8×10^−9	0.63–0.82
Voltammetric method [5]	1.0×10^−6 –16×10^−6	𝑖pa=15.0−0.269C	0.999	1.6×10^−7
Protein blotting method [11]	0.2–600 p mol L^−1	𝑦=(1.6149×10^5)𝑥+3.4579×10^4	0.9989	7.4×10^−13	2.3