File Name : s fig. 1.tiff Caption : fig. s1 size distribution curve of pgma beads File Name : s fig. 2.tiff Caption : fig. s2 sem image of pgma beads File Name : table s1.tiff Caption : table s1 summary of calibration standards performance File Name : table s2.tiff Caption : table s2 dilution integrity results of the analytes in mouse serum File Name : table s3.tiff Caption : table s3 carry-over results of analytes in mouse serum