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Correlation of surface pressure and hue of planarizable push-pull chromophores at the air/water interface

Neuhaus, Frederik ; Zobi, Fabio ; Brezesinski, Gerald ; Molin, Marta Dal ; Matile, Stefan ; Zumbuehl, Andreas

In: Beilstein Journal of Organic Chemistry, 2017, vol. 13, no. 1, p. 1099–1105

It is currently not possible to directly measure the lateral pressure of a biomembrane. Mechanoresponsive fluorescent probes are an elegant solution to this problem but it requires first the establishment of a direct correlation between the membrane surface pressure and the induced color change of the probe. Here, we analyze planarizable dithienothiophene push–pull probes in a monolayer at...