Figure 8
From: Direct In Vivo Electrochemical Detection of Haemoglobin in Red Blood Cells
Cyclic voltammograms (from +0.5 V to −1.0 V) were obtained in aqueous 50 mM phosphate buffer at pH 3.5 for the electrochemical reduction of red blood cells (live) at GC-Nf-RBC-3Nf electrodes.
Comparison was made between red blood cells purchased from Sigma Aldrich in powder form (black line, RBCs suspended in pH 3.5 PBS, RBC concentration of 1.45 mg/mL, 50 × 103 cells/μL) and red blood cells derived directly from blood samples (red line, RBCs suspended in pH 7.4 1× PBS, RBC concentration of approximately 10% vol.). Scan rate is 0.1 V s−1.
