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. 2019 Jul 4;9(3):57. doi: 10.3390/life9030057

Figure 1.

Figure 1

Breakdown and marginal polymerization was observed in reactions where AMP was heated at 90 °C, pH 2, without rehydration. HPLC analysis showed increasing peaks for free nucleobases (breakdown) and higher oligomers (predominantly dimers and trimers) with increased duration. This suggests that the cleavage of the glycosidic bond and oligomerization both occur under simultaneous experimental conditions.