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. 2019 Aug 7;141(35):13877–13886. doi: 10.1021/jacs.9b06607

Figure 1.

Figure 1

UV (A–C) and CD (D–F) spectra of the assembled individual molecules in water. (A) BTA-Glc and BTA-Man in water show the typical BTA maxima at 211 and 225 nm, whereas BTA-Cel and BTA-OEG4-Man show maxima at 196 nm. (B) and (C) Stepwise heating of BTA-Glc and BTA-Man, respectively, from 20 °C to 80 °C showed a change in aggregation between 60 °C and 70 °C for both of BTA-Glc and BTA-Man. (D) BTA-Glc and BTA-Man show a biphasic negative and positive mirror Cotton effect, whereas BTA-Cel and BTA-OEG4-Man are CD silent. (E) and (F) Stepwise heating of BTA-Glc and BTA-Man, respectively, from 20 to 80 °C showed a drop in ellipticity between 60 °C and 80 °C. Samples were equilibrated for 16 min at the designated temperature to allow the formation of equilibrated aggregates. (cBTA = 50 μM).