12 Result(s)
within
Anders Nilsson
Science, Humanities and Social Sciences, multidisciplinary
-
Article
Open AccessOperando probing of the surface chemistry during the Haber–Bosch process
The large-scale conversion of N2 and H2 into NH3 (refs. 1,2) over Fe and Ru catalysts3 for fertilizer production occurs through the Haber–Bosch process, which has been considered the most important scientific inv...
-
Article
Open AccessExperimental hemodialysis in diet-induced ketosis and the potential use of dialysis as an adjuvant cancer treatment
Numerous in vivo studies on the ketogenic diet, a diet that can induce metabolic conditions resembling those following extended starvation, demonstrate strong outcomes on cancer survival, particularly when com...
-
Article
Open AccessMelting domain size and recrystallization dynamics of ice revealed by time-resolved x-ray scattering
The phase transition between water and ice is ubiquitous and one of the most important phenomena in nature. Here, we performed time-resolved x-ray scattering experiments capturing the melting and recrystalliza...
-
Article
Open AccessLiquid-liquid phase separation in supercooled water from ultrafast heating of low-density amorphous ice
Recent experiments continue to find evidence for a liquid-liquid phase transition (LLPT) in supercooled water, which would unify our understanding of the anomalous properties of liquid water and amorphous ice....
-
Article
Open AccessStroboscopic operando spectroscopy of the dynamics in heterogeneous catalysis by event-averaging
Heterogeneous catalyst surfaces are dynamic entities that respond rapidly to changes in their local gas environment, and the dynamics of the response is a decisive factor for the catalysts’ action and activity...
-
Article
Direct observation of ultrafast hydrogen bond strengthening in liquid water
Water is one of the most important, yet least understood, liquids in nature. Many anomalous properties of liquid water originate from its well-connected hydrogen bond network1, including unusually efficient vibra...
-
Article
Open AccessKey activity descriptors of nickel-iron oxygen evolution electrocatalysts in the presence of alkali metal cations
Efficient oxygen evolution reaction (OER) electrocatalysts are pivotal for sustainable fuel production, where the Ni-Fe oxyhydroxide (OOH) is among the most active catalysts for alkaline OER. Electrolyte alkal...
-
Article
Open AccessCoherent X-rays reveal the influence of cage effects on ultrafast water dynamics
The dynamics of liquid water feature a variety of time scales, ranging from extremely fast ballistic-like thermal motion, to slower molecular diffusion and hydrogen-bond rearrangements. Here, we utilize cohere...
-
Article
Open AccessThe structural origin of anomalous properties of liquid water
Water is the most common liquid in nature, with unusual properties that could be linked to the peculiar hydrogen-bonding network holding the molecules together. Here, Nilsson and Pettersson review recent progr...
-
Article
Direct observation of the oxygenated species during oxygen reduction on a platinum fuel cell cathode
The performance of polymer electrolyte membrane fuel cells is limited by the reduction at the cathode of various oxygenated intermediates in the four-electron pathway of the oxygen reduction reaction. Here we ...
-
Article
Open AccessHighly Compressed Two-Dimensional Form of Water at Ambient Conditions
The structure of thin-film water on a BaF2(111) surface under ambient conditions was studied using x-ray absorption spectroscopy from ambient to supercooled temperatures at relative humidity up to 95%. No hexagon...
-
Article
Photosynthetic control of chloroplast gene expression
Redox chemistry—the transfer of electrons or hydrogen atoms—is central to energy conversion in respiration and photosynthesis. In photosynthesis in chloroplasts, two separate, light-driven reactions, termed ph...
