%PDF-1.4 % 1 0 obj <>stream JAM 10.1021/acs.analchem.9b01838 AM © article JAM10.1021/acs.analchem.9b01838AM endstream endobj 2 0 obj <> endobj 3 0 obj <>stream xXKs6W(0A|u4i( Rvx i61#@W!*w% }_11It8B(iJf^kBt#VzjT>RnuyKPEQ