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- Santarius, T., et al.
(author)
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Digitalization and Sustainability : A Call for a Digital Green Deal
- 2023
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In: Environmental Science and Policy. - : Elsevier BV. - 1462-9011 .- 1873-6416. ; 147, s. 11-14
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Journal article (peer-reviewed)abstract
- The relation between digitalization and environmental sustainability is ambiguous. There is potential of various digital technologies to slow down the transgression of planetary boundaries. Yet resource and energy demand for digital hardware production and use of data-intensive applications is of substantial size. The world over, there is no comprehensive regulation that addresses opportunities and risks of digital technology for sustainability. In this perspective article, we call for a Digital Green Deal that includes strong, cross-sectoral green digitalization policies on all levels of governance. We argue that a Digital Green Deal should first and foremost aim at greater policy coherence: Current digital policy initiatives should include measures that service environmental goals, and environmental policies must address risks and advance opportunities of digital technologies to spur sustainability transformations.
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- Cha, Yoon-Hee, et al.
(author)
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Mal de débarquement syndrome : Diagnostic criteria consensus document of the classification committee of the bárány society
- 2020
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In: Journal of Vestibular Research: Equilibrium and Orientation. - 1878-6464. ; 30:5, s. 285-293
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Journal article (peer-reviewed)abstract
- We present diagnostic criteria for mal de débarquement syndrome (MdDS) for inclusion into the International Classification of Vestibular Disorders. The criteria include the following: 1] Non-spinning vertigo characterized by an oscillatory sensation ('rocking,' 'bobbing,' or 'swaying,') present continuously or for most of the day; 2] Onset occurs within 48 hours after the end of exposure to passive motion, 3] Symptoms temporarily reduce with exposure to passive motion (e.g. driving), and 4] Symptoms persist for >48 hours. MdDS may be designated as "in evolution," if symptoms are ongoing but the observation period has been less than 1 month; "transient," if symptoms resolve at or before 1 month and the observation period extends at least to the resolution point; or "persistent" if symptoms last for more than 1 month. Individuals with MdDS may develop co-existing symptoms of spatial disorientation, visual motion intolerance, fatigue, and exacerbation of headaches or anxiety. Features that distinguish MdDS from vestibular migraine, motion sickness, and persistent postural perceptual dizziness (PPPD) are reviewed. Motion-moderated oscillatory vertigo can also occur without a motion trigger, typically following another vestibular disorder, a medical illness, heightened psychological stress, or metabolic disturbance. Terminology for this non-motion triggered presentation has been varied as it has features of both MdDS and PPPD. Further research is needed into its phenomenological and biological relationship to MdDS, PPPD, and other vestibular disorders.
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- Erdmann, M., et al.
(author)
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From Manual to Semi-automatic Semantic Annotation
- 2001
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Reports (other academic/artistic)abstract
- Semantic Annotation is a basic technology for intelligent content and is bene cial in a wide range of content-oriented intelligent applications, esp. in the area of the Semantic Web. In this paper we present our work in ontology-based semantic annotation, which is embedded in a scenario of a knowledge portal application. Starting with seemingly good and bad manual semantic annotation, we describe our experiences made within the KA2 initiative. The experiences gave us the starting point for developing an ergonomic and knowledge base-supported annotation tool. Furthermore, the annotation tool described are currently extended with mechanisms for semi-automatic information-extraction based annotation. Supporting the evolving nature of semantic content we additionally describe our idea of evolving ontologies supporting semantic annotation.This paper has been presented at the COLING-2000 Workshop on Semantic Annotation and Intelligent Content, Centre Universitaire, Luxembourg, 5.-6. August, 2000.
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- Liesenfeld, K-H, et al.
(author)
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Population pharmacokinetic analysis of the oral thrombin inhibitor dabigatran etexilate in patients with non-valvular atrial fibrillation from the RE-LY trial
- 2011
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In: Journal of Thrombosis and Haemostasis. - : Elsevier BV. - 1538-7933 .- 1538-7836. ; 9:11, s. 2168-2175
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Journal article (peer-reviewed)abstract
- Background: Dabigatran etexilate (DE) is an orally absorbed prodrug of dabigatran, a thrombin inhibitor that exerts potent anticoagulant and antithrombotic activity. Objectives: To characterize the pharmacokinetics of dabigatran in patients with non-valvular atrial fibrillation (AF) from the Randomized Evaluation of Long-term Anticoagulant Therapy (RE-LY) trial and to quantify the effect of selected factors on pharmacokinetic (PK) model parameters. Patients and methods: A total of 27 706 dabigatran plasma concentrations from 9522 patients who received DE 110 or 150 mg twice daily were analyzed with non-linear mixed-effects modeling. Results: The pharmacokinetics of dabigatran were best described by a two-compartment disposition model with first-order absorption. The covariates creatinine clearance (CRCL), age, sex, heart failure and the ethnic subgroup 'South Asian' exhibited statistically significant effects on apparent clearance of dabigatran. Body weight and hemoglobin significantly influenced the apparent volume of distribution of the central compartment. Concomitant medication with proton-pump inhibitors, amiodarone and verapamil significantly affected the bioavailability. However, all of the statistically significant factors that were identified, except for renal function status, showed only small to moderate effects (< 26% change in exposure at steady state). On the basis of simulations from the final population PK model, a dose of 75 mg twice daily would result in similar exposure for severely renally impaired patients with CRCL of 15-30 mL min(-1) and patients with normal renal function receiving 150 mg twice daily. Conclusions: The analysis provides a thorough PK characterization of dabigatran in the AF patient population from RE-LY. None of the covariates investigated, with the exception of renal function, warrants dose adjustment.
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- Manni, Giovanni Li, et al.
(author)
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The OpenMolcas Web : A Community-Driven Approach to Advancing Computational Chemistry
- 2023
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In: Journal of Chemical Theory and Computation. - : American Chemical Society (ACS). - 1549-9618 .- 1549-9626. ; 19:20, s. 6933-6991
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Journal article (peer-reviewed)abstract
- The developments of the open-source OpenMolcas chemistry software environment since spring 2020 are described, with a focus on novel functionalities accessible in the stable branch of the package or via interfaces with other packages. These developments span a wide range of topics in computational chemistry and are presented in thematic sections: electronic structure theory, electronic spectroscopy simulations, analytic gradients and molecular structure optimizations, ab initio molecular dynamics, and other new features. This report offers an overview of the chemical phenomena and processes OpenMolcas can address, while showing that OpenMolcas is an attractive platform for state-of-the-art atomistic computer simulations.
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- Staab, CA, et al.
(author)
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Modelling of normal and premalignant oral tissue by using the immortalised cell line, SVpgC2a: a review of the value of the model
- 2004
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In: Alternatives to laboratory animals : ATLA. - : SAGE Publications. - 0261-1929 .- 2632-3559. ; 32:4, s. 401-405
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Journal article (peer-reviewed)abstract
- Normal oral keratinocytes (NOKs), and a Simian virus 40 T-antigen-immortalised oral keratinocyte line termed SVpgC2a, were cultured in an effort to model the human oral epithelium in vitro, including normal and dysplastic tissue. Monolayer and organotypic cultures of NOKs and SVpgC2a were successfully established in a standardised serum-free medium with high levels of amino acids, by using regular tissue culture plastic for monolayers and collagen gels containing oral fibroblasts as the base for generating tissue equivalents. NOKs express many characteristics of normal tissue, including those associated with terminal squamous differentiation. After > 150 passages, SVpgC2a cells retained an immortal, non-tumourigenic phenotype that, relative to NOKs, was associated with aberrant morphology, enhanced proliferation, deficiency in terminal differentiation, proneness to apoptosis, and variably altered expression of structural epithelial markers. Transcript and protein profiling, as well as activity assays, demonstrated the expression of multiple xenobiotic-metabolising enzymes in SVpgC2a cells, some of which were higher in comparison to NOKs. A generally preserved, or even activated, ability for xenobiotic metabolism in long-term cultures of SVpgC2a cells indicated that this cell line could be useful in safety testing protocols — for example, in the development of consumer products in the oral health care field. However, SVpgC2a cells displayed some features reminiscent of a severe oral dysplasia, implying that this cell line could also to some extent serve as a model of a premalignant oral epithelium.
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