Figure 2From: Fabrication of Anti-human Cardiac Troponin I Immunogold Nanorods for Sensing Acute Myocardial DamageEffect of the HCl concentration on the UV–vis–NIR absorption spectra of gold NRs. The longitudinal SPR band red shifts by increasing the amount of 1 M HCl solution added:a 0 mL;b 0.1 mL;c 0.2 mL;d 0.4 mL;e 0.8 mLBack to article page