Plasma levels of aspirin and aminoguanidine were measured by chemical assay (26) and high-performance liquid chromatography ( ... Hammes H-P, Syed S, Uhlmann M, Weiss A, Federlin K, Geisub K, Brownlee M: Aminoguanidine does not inhibit the initial phase of ... acrylamide gels). After SDS-PAGE and transfer to a nitrocellulose membrane (BAS-85; Schleicher and Schuell, Keene, NH), blots ... AGEs because they found retinal arterioles of drug-treated animals had less in situ fluorescence at wavelengths characteristic ...