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1 article(s) from Bofinger, Robin

Photoreversible stretching of a BAPTA chelator marshalling Ca²⁺-binding in aqueous media

Aurélien Ducrot,
Arnaud Tron,
Robin Bofinger,
Ingrid Sanz Beguer,
Jean-Luc Pozzo and
Nathan D. McClenaghan

Beilstein J. Org. Chem. 2019, 15, 2801–2811, doi:10.3762/bjoc.15.273

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Figure 1: Azobenzene-BAPTA 1E and 1Z (a, b, c, d and e denote specific protons), showing idealized Ca²⁺ uptak...

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Scheme 1: Synthesis of azobenzene-tethered BAPTA 1.

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Figure 2: Energy-minimized molecular modelling structures of 1E•Ca²⁺ and 1Z•Ca²⁺ (PM6).

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Figure 3: Electronic absorption spectra showing changes associated with photoisomerization of 1E (40 μM) to 1Z...

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Figure 4: ¹H NMR spectra (300 MHz) recorded at room temperature (298 K) in D₂O of a) the thermodynamically st...

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Figure 5: a) Multiple trans–cis cycles of 1E (40 μM) indicated by absorption changes at 362 nm in aqueous 0.0...

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Figure 6: Electronic absorption spectra changes of 1E (42 μM) (a) and 1Z (43 μM) (b) in aqueous 0.03 M MOPS b...

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Figure 7: a) Reversible Ca²⁺ exchange between photoregulated host 1 and turn-“on” fluorescent probe 3. b) Blu...

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Published 21 Nov 2019

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Photoreversible stretching of a BAPTA chelator marshalling Ca2+-binding in aqueous media

Photoreversible stretching of a BAPTA chelator marshalling Ca²⁺-binding in aqueous media