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Träfflista för sökning "WFRF:(Schade Wolfgang) "

Sökning: WFRF:(Schade Wolfgang)

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1.
  • Gimpel, Thomas, et al. (författare)
  • Electrochemical Carbon Dioxide Reduction on Femtosecond Laser-Processed Copper Electrodes : Effect on the Liquid Products by Structuring and Doping
  • 2021
  • Ingår i: ACS Applied Energy Materials. - : American Chemical Society (ACS). - 2574-0962. ; 4:6, s. 5927-5934
  • Tidskriftsartikel (refereegranskat)abstract
    • A femtosecond laser process is presented increasing the surface area of copper electrocatalysts for an electrochemical CO2 reduction reaction (CO2RR). The laser treatment allows us to tune the surface morphology and the chemical composition of the copper electrocatalysts. This tunability is used to correlate the role of the surface area and catalyst dopants with the selectivity of the CO2RR. The liquid products of the CO2RR are monitored through ex situ nuclear magnetic resonance spectroscopy. The products’ distribution shows that the electrode surface area plays a key role in the electrochemical conversion of CO2 into multicarbon liquid products. We show that sulfur dopants boost the production of formate. Remarkably, by co-doping sulfur and fluoride, we show that the chalcogenide dopant counteracts the known boosting effect of fluoride to convert CO2 into multicarbon products. Oxygen doping in the range of 2–19 atom % does not significantly affect the distribution of liquid products from CO2 electroreduction. In a broad perspective, this work highlights the potential of the femtosecond laser process to fine-tune surfaces to produce photo- and electrocatalyst materials.
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2.
  • Margolskee, Alison, et al. (författare)
  • IMI - oral biopharmaceutics tools project - evaluation of bottom-up PBPK prediction success part 1 : Characterisation of the OrBiTo database of compounds
  • 2017
  • Ingår i: European Journal of Pharmaceutical Sciences. - : Elsevier BV. - 0928-0987 .- 1879-0720. ; 96, s. 598-609
  • Tidskriftsartikel (refereegranskat)abstract
    • Predicting oral bioavailability (F-oral) is of importance for estimating systemic exposure of orally administered drugs. Physiologically-based pharmacokinetic (PBPK) modelling and simulation have been applied extensively in biopharmaceutics recently. The Oral Biopharmaceutical Tools (OrBiTo) project (Innovative Medicines Initiative) aims to develop and improve upon biopharmaceutical tools, including PBPK absorption models. A large-scale evaluation of PBPK models may be considered the first step. Here we characterise the OrBiTo active pharmaceutical ingredient (API) database for use in a large-scale simulation study. The OrBiTo database comprised 83 APIs and 1475 study arms. The database displayed a median logP of 3.60 (2.40-4.58), human blood-to-plasma ratio of 0.62 (0.57-0.71), and fraction unbound in plasma of 0.05 (0.01-0.17). The database mainly consisted of basic compounds (48.19%) and Biopharmaceutics Classification System class II compounds (55.81%). Median human intravenous clearance was 16.9 L/h (interquartile range: 11.6-43.6 L/h; n = 23), volume of distribution was 80.8 L (54.5-239 L; n = 23). The majority of oral formulations were immediate release (IR: 87.6%). Human Foral displayed a median of 0.415 (0.203-0.724; n = 22) for IR formulations. The OrBiTo database was found to be largely representative of previously published datasets. 43 of the APIs were found to satisfy the minimum inclusion criteria for the simulation exercise, and many of these have significant gaps of other key parameters, which could potentially impact the interpretability of the simulation outcome. However, the OrBiTo simulation exercise represents a unique opportunity to perform a large-scale evaluation of the PBPK approach to predicting oral biopharmaceutics.
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3.
  • Obergassel, Wolfgang, et al. (författare)
  • Human rights and the clean development mechanism : lessons learned from three case studies
  • 2017
  • Ingår i: Journal of Human Rights and the Environment. - : Edward Elgar Publishing. - 1759-7188 .- 1759-7196. ; 8:1, s. 51-71
  • Tidskriftsartikel (refereegranskat)abstract
    • This article analyses the human rights implications of projects under the Clean Development Mechanism (CDM) of the United Nations Framework Convention on Climate Change (UNFCCC). While the CDM is likely to expire in the near future, the experience gained should be used to inform the rules of the new mechanism to be established under the 2015 Paris Agreement. We argue that the CDM and the new mechanism, as international organizations under the guidance of UNFCCC member states, should apply the UN Guiding Principles on Business and Human Rights. Based on the experience drawn from three case studies (two hydro power projects in Barro Blanco, Panama, and Bujagali, Uganda, and one geothermal energy project in Olkaria, Kenya), we show that CDM projects, while in formal compliance with CDM rules, can lead to a number of human rights infringements. We conclude with a number of recommendations on how to achieve a greater recognition of human rights in the new mechanism under the Paris Agreement.
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