Preparation and Characterization of Novel Perfluorooctyl Bromide Nanoparticle as Ultrasound Contrast Agent via Layer-by-Layer Self-Assembly for Folate-Receptor-Mediated Tumor Imaging
Table 3
Results of orthogonal design: the four factors were analyzed at three different levels. , , and were the average diameter of level 1, level 2, and level 3 for each factor.