Improvement of Amperometric Biosensor Performance for H₂O₂ Detection based on Bimetallic PtM (M = Ru, Au, and Ir) Nanoparticles

Table 2

Comparison of oxidation current change at 0.5 mM H₂O₂ detection with a presence of AA.

Metal; compound	Current density (μA·mM^−1·cm^−2)		Percentage; change
	Only; 0.5 mM H2O2	0.5 mM H2O2 +; 5 mg/L AA
Pt	11.70	15.14	29.40
Pt-Au	114.19	115.86	1.46
Pt-Ir	115.00	123.73	7.59
Pt-Ru	105.54	97.20	7.90