Evaluation of a Peak-Free Chemometric Laser-Induced Breakdown Spectroscopy Method for Direct Rapid Cancer Detection via Trace Metal Biomarkers in Tissue

Table 1

Summary of certified versus predicted concentrations of iron, manganese, magnesium, zinc, and copper in oyster tissue (NIST 1566B).

Element	Oyster tissue standard concentration (μg/g)	Predicted concentration (μg/g)	Percent deviation (%)
Fe	205.8 ± 6.8	213 ± 28	−3.89
Mn	18.5 ± 0.2	18.1 ± 0.9	2.16
Mg	1085 ± 23	1068 ± 117	1.57
Cu	71.7 ± 1.6	70.2 ± 4.2	2.15
Zn	1424 ± 46	1418 ± 127	0.42