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Seismic signatures reveal persistence of soil compaction
(2021)Vadose Zone JournalA well-developed soil structure is a key attribute of a productive and functioning soil. Evidence shows that subtle changes in the spatial arrangement and binding of soil constituents impart large changes in soil mechanical and hydraulic properties and associated ecological services. However, these features remain difficult to quantify at spatial scales relevant for agricultural management. In this work, we propose a pedophysical model ...Journal Article -
Using a direct simulation Monte Carlo approach to model collisions in a buffer gas cell
(2017)The Journal of Chemical PhysicsA direct simulation Monte Carlo (DSMC) method is applied to model collisions between He buffer gas atoms and ammonia molecules within a buffer gas cell. State-to-state cross sections, calculated as a function of the collision energy, enable the inelastic collisions between He and NH3 to be considered explicitly. The inclusion of rotational-state-changing collisions affects the translational temperature of the beam, indicating that elastic ...Journal Article -
Derivatization‐free determination of short‐chain volatile amines in human plasma and urine by headspace gas chromatography‐mass spectrometry
(2020)Journal of Clinical Laboratory AnalysisBackground Short‐chain volatile amines (SCVA) are an interesting compound class playing crucial roles in physiological and toxicological human settings. Dimethylamine (DMA), trimethylamine (TMA), diethylamine (DEA), and triethylamine (TEA) were investigated in detail. Methods Headspace gas chromatography coupled to mass spectrometry (HS‐GC‐MS) was used for the simultaneous qualitative and quantitative determination of four SCVA in ...Journal Article -
A Methodologic Approach for the Selection of Bio-Resorbable Polymers in the Development of Medical Devices: The Case of Poly(l-lactide-co-ε-caprolactone)
(2018)PolymersIn the last decades bioresorbable and biodegradable polymers have gained a very good reputation both in research and in industry thanks to their unique characteristics. They are able to ensure high performance and biocompatibility, at the same time avoiding post-healing surgical interventions for device removal. In the medical device industry, it is widely known that product formulation and manufacturing need to follow specific procedures ...Journal Article -
Low-dose F-18-FDG TOF-PET/MR for accurate quantification of brown adipose tissue in healthy volunteers
(2020)EJNMMI ResarchBackground Positron emission tomography (PET) is increasingly applied for in vivo brown adipose tissue (BAT) research in healthy volunteers. To limit the radiation exposure, the injected 18F-FDG tracer dose should be as low as possible. With simultaneous PET/MR imaging, the radiation exposure due to computed tomography (CT) can be avoided, but more importantly, the PET acquisition time can often be increased to match the more extensive ...Journal Article -
A polynomial time algorithm for calculating the probability of a ranked gene tree given a species tree
(2012)Algorithms for Molecular BiologyBackground The ancestries of genes form gene trees which do not necessarily have the same topology as the species tree due to incomplete lineage sorting. Available algorithms determining the probability of a gene tree given a species tree require exponential computational runtime. Results In this paper, we provide a polynomial time algorithm to calculate the probability of a ranked gene tree topology for a given species tree, where ...Journal Article -
Aggregated models of active distribution networks for stability studies of large transmission systems
(2022)Electric Power Systems ResearchThe paper presents a new framework to quantify the amount of dynamic grid support that should be provided from converter-based energy resources replacing generation from synchronous machines. A tuning approach for local stability issues in active distribution networks (ADN) is presented, followed by an aggregation procedure to derive adequate low-order ADN models. The resulting models from benchmark systems with varying shares of grid-forming ...Journal Article -
Mass Transfer Mechanism and Equilibrium Modelling of Hydroxytyrosol Adsorption on Olive Pit–Derived Activated Carbon
(2021)Chemical Engineering JournalThe rise in olive oil production coincides with an increase in olive oil side-streams, such as olive mill wastewater and olive pits, enabling the exploitation of higher value-added products through proper processes. Adsorption techniques, common in wastewater treatment, facilitate the recovery of valuable compounds found in these by-products, such as the strong natural antioxidant hydroxytyrosol present in olive mill wastewater. Owing to ...Journal Article -
The Evolution of Orphan Regions in Genomes of a Fungal Pathogen of Wheat
(2016)mBioFungal plant pathogens rapidly evolve virulence on resistant hosts through mutations in genes encoding proteins that modulate the host immune responses. The mutational spectrum likely includes chromosomal rearrangements responsible for gains or losses of entire genes. However, the mechanisms creating adaptive structural variation in fungal pathogen populations are poorly understood. We used complete genome assemblies to quantify structural ...Journal Article -
Advancing Biomarker Development Through Convergent Engagement: Summary Report of the 2nd International Danube Symposium on Biomarker Development, Molecular Imaging and Applied Diagnostics; March 14–16, 2018; Vienna, Austria
(2020)Molecular Imaging and BiologyHere, we report on the outcome of the 2nd International Danube Symposium on advanced biomarker development that was held in Vienna, Austria, in early 2018. During the meeting, cross-speciality participants assessed critical aspects of non-invasive, quantitative biomarker development in view of the need to expand our understanding of disease mechanisms and the definition of appropriate strategies both for molecular diagnostics and personalised ...Journal Article