Figure 4From: Fabrication of Anti-human Cardiac Troponin I Immunogold Nanorods for Sensing Acute Myocardial DamageUV–vis–NIR absorption spectra of gold NRs at different stages of surface functionalization:a as-fabricated gold NRs with average AR 5.5;b PSS-coated gold NRs andc anti-h-cTnI antibody conjugated gold NRsBack to article page