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Université de Fribourg

Inverting structures: from micelles via emulsions to internally self-assembled water and oil continuous nanocarriers

Glatter, Otto ; Salentinig, Stefan

In: Current Opinion in Colloid & Interface Science, 2020, vol. 49, p. 82–93

Fluid-like colloidal structures are key components in nature's own functional materials and important for various applications. For instance, self-assembled structures are formed spontaneously by amphiphilic molecules in solvent, tailored by directional noncovalent intermolecular forces. These structures form the framework of cells defining their geometry and microenvironments for chemical...

Université de Fribourg

Accurate estimation of membrane capacitance from atomistic molecular dynamics simulations of zwitterionic lipid bilayers

Ardham, Vikram Reddy ; Zoni, Valeria ; Adamowicz, Sylvain ; Campomanes, Pablo ; Vanni, Stefano

In: The Journal of Physical Chemistry B, 2020, vol. 124, no. 38, p. 8278–8286

Lipid membranes are indispensable to life, and they regulate countless cellular processes. To investigate the properties of membranes under controlled conditions, numerous reconstitution methods have been developed over the last few decades. Several of these methods result in the formation of lipid bilayers containing residual hydrophobic molecules between the two monolayers. These...

Université de Fribourg

A concept for stimulated proton transfer in 1-(phenyldiazenyl)naphthalen-2-ols

Hristova, S. ; Deneva, Vera V. ; Pittelkow, M. ; Crochet, Aurélien ; Kamounah, Fadhil S. ; Fromm, Katharina M. ; Hansen, P. E. ; Antonov, Liudmil

In: Dyes and Pigments, 2018, vol. 156, p. 91-99

A series of aryl azo derivatives of naphthols (1–3) were studied by means of UV–Vis and NMR spectroscopy in different solvents as well as by quantum chemical calculations and X-ray analysis. Previous studies have shown that Sudan I (1) exists as a tautomeric mixture. The effect of the solvents is minimized by the existing intramolecular hydrogen bond. Therefore, the influence on the...

Consortium of Swiss Academic Libraries

Regulation of the mitochondrial proton gradient by cytosolic Ca2+ signals

Poburko, Damon ; Demaurex, Nicolas

In: Pflügers Archiv - European Journal of Physiology, 2012, vol. 464, no. 1, p. 19-26