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Université de Fribourg

Short-term cardiovascular responses to ingestion of mineral water in healthy non-obese adults: Impact of mineral components

Monnard, Cathriona Rosemary ; Montani, Jean-Pierre ; Grasser, Erik Konrad

In: Journal of Functional Foods, 2020, vol. 71, p. 104017

Background: The role of mineral components in the hemodynamic response to water drinking is still elusive.Methods: We conducted a randomized crossover study in 16 non-obese, healthy subjects (8 women) to investigate cardiovascular responses to water drinks differing in the mineral content. Continuous measurements included beat- to-beat blood pressure, electrocardiography derived RR-intervals,...

Université de Fribourg

Petrophysical joint inversion applied to alpine permafrost field sites to image subsurface ice, water, air, and rock contents

Mollaret, Coline ; Wagner, Florian M. ; Hilbich, Christin ; Scapozza, Cristian ; Hauck, Christian

In: Frontiers in Earth Sc-ience, 2020, vol. 8, p. -

Quantification of ground ice is crucial for understanding permafrost systems and modeling their ongoing degradation. The volumetric ice content is however rarely estimated in permafrost studies, as it is particularly difficult to retrieve. Standard borehole temperature monitoring is unable to provide any ice content estimation, whereas non-invasive geophysical techniques, such as refraction ...

Université de Fribourg

Dose-dependent heart rate responses to drinking water: a randomized crossover study in young, non-obese males

Grasser, Erik Konrad

In: Clinical Autonomic Research, 2020, p. -

The aim of the study was to explore a potential dose effect of water on heart rate responses and markers of vagal tone modulation.Methods: This was a randomized crossover study involving eight men whose heart rate and heart rate variability parameters were continuously measured following ingestion of different volumes of still mineral water (200, 400, 600, and 800 mL).Results: A significant...

Université de Fribourg

Colloidal transformations in ms2 virus particles: driven by ph, influenced by natural organic matter

Watts, Samuel ; Julian, Timothy R. ; Maniura-Weber, Katharina ; Graule, Thomas ; Salentinig, Stefan

In: ACS Nano, 2020, vol. 14, no. 2, p. 1879–1887

Enteric viruses, such as enterovirus, norovirus, and rotavirus, are among the leading causes of disease outbreaks due to contaminated drinking and recreational water. Viruses are difficult to remove from water through filtration based on physical size exclusion—for example by gravity-driven filters—due to their nanoscale size. To understand virus removal in drinking water treatment ...

Université de Fribourg

Cardiovascular responses to a glucose drink in young male individuals with overweight/obesity and mild alterations in glucose metabolism, but without impaired glucose tolerance

Monnard, Cathriona R. ; Grasser, Erik Konrad

In: European Journal of Nutrition, 2019, p. -

Little is known about whether mild aberrations in glucose metabolism, which are seen in overweight/obese subjects (OW/OB) without impaired glucose tolerance, affect regulator control elements for blood pressure homeostasis. Methods Hence, we measured in age-matched male subjects with normal weight (n = 16; BMI = 22.4 kg m−2) and OW/OB (n = 11; BMI = 28.6 kg m−2) continuous...

Consortium of Swiss Academic Libraries

The economic performance of Swiss drinking water utilities

Faust, Anne-Kathrin ; Baranzini, Andrea

In: Journal of Productivity Analysis, 2014, vol. 41, no. 3, p. 383-397