ALB and infection: Usually a new radiolabeled-antibody is examined in rodent model of infection/inflammation, with comparison to either a “gold standard” agent (i.e., 67Ga-citrate or 111In-leukocytes), control molecules such as a nonspecific similar-sized antibody, or a nonspecific protein that is solely a blood flow marker (i.e., 99mTc-HSA).