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We selected and modified DNA aptamers specifically bound glycated human serum albumin (GHSA), which is an intermediate marker for diabetes mellitus. Our aptamer truncation study indicated that the hairpin-loop structure with 23 nucleotides length containing triple G-C hairpins and 15-nucleotide loop, plays an important role in GHSA binding. Fluorescent quenching graphene oxide (GO) and Cy5-labeled...
DNA aptamers against GHSA, which is protein marker for diabetes mellitus, were selected and modified. In combination properties of modified GHSA binding aptamer and fluorescence quenching of GO, we develop simple and sensitive platform for detection of GHSA in both PBS and human serum with the LOD of 50 µg/mL. We envision that our GO-aptamer platform has a potential to be GHSA detection for screening...
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