Figure 5From: Performance characteristics of biodistribution of 99mTc-cefprozil for in vivo infection imagingEffect of pH on the labeling yield of99mTc-cefprozil complex. Conditions: 4 mg cefprozil, 50 μg Sn (II), pH 1 to 6, and 30-min reaction time; n = 3.Back to article page