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Université de Fribourg

Resonance raman optical activity shows unusual structural sensitivity for systems in resonance with multiple excited states: vitamin B12 case

Machalska, Ewa ; Zajac, Grzegorz ; Gruca, Anna ; Zobi, Fabio ; Baranska, Malgorzata ; Kaczor, Agnieszka

In: The Journal of Physical Chemistry Letters, 2020, vol. 11, no. 13, p. 5037–5043

In this work, cobalamins with different upper axial substituents and a cobalamin derivative with a ring modification were studied using chiroptical spectroscopies, in particular resonance Raman optical activity (RROA), to shed light on the influence of structural modifications on RROA spectra in these strongly chiral systems in resonance with multiple excited states at 532 nm excitation. We...

Université de Fribourg

Does being assigned to a low school track negatively affect psychological adjustment?

Müller, Christoph Michael ; Hofmann, Verena

In: School Effectiveness and School Improvement, 2016, vol. 27, p. 95-115

Previous research suggests that the 1st year in secondary school for some students goes hand in hand with an increase in adjustment difficulties. One factor that might influence this process on an individual, compositional, and institutional level is the academic track a student attends. It was hypothesized that being assigned to a lowqualifying track predicts a stronger increase in...

Consortium of Swiss Academic Libraries

Evolution of the lithosphere in the area of the Rhine Rift System

Ziegler, P. ; Dèzes, P.

In: International Journal of Earth Sciences, 2005, vol. 94, no. 4, p. 594-614