127 zoekresultaten voor “directional selection” in de Publieke website
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Adaptive responses to environmental changes in Lake Victoria cichlids
Promotor: M.K. Richardson, Co-Promotor: F. Witte
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pharmacotherapy in paediatric epilepsy : the path to rational drug and dose selection
The path to rational drug and dose selection
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oligosaccharide libraries from GBS capsular polysaccharides for structure-based selection of vaccine candidates
Glycoconjugate vaccines are composed of microbial poly- or oligosaccharides covalently linked to a carrier protein.
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Convergent molecular evolution of toxins in the venom of advanced snakes (Colubroidea)
The explosive radiation and diversification of the advanced snakes (superfamily Colubroidea) was associated with changes in all aspects of the shared venom system. Morphological changes included the partitioning of the mixed ancestral glands into two discrete glands devoted for production of venom ormucous…
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Faint Quasars at Very Low Frequencies
In this thesis, we use low-frequency and high-frequency radio observations to address the following questions regarding quasars: is the radio loud/quiet quasar dichotomy real?
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When data compression and statistics disagree: two frequentist challenges for the minimum description length principle
Promotor: P.D. Grünwald
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Integrative taxonomy of araneomorph spiders: Breathing new life into an old science
Taxonomy as a science has accumulated data and knowledge for more than 250 years.
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Fire and grazers in the West African savanna
Promotores: H.A. Udo de Haes, H.H.T. Prins, Co-promotor: H.H. de Iongh
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Group benefits from genomic instability: a tale of antibiotic warriors in Streptomyces
Streptomyces are filamentous bacteria that produce more than two-thirds of known antibiotics.
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Squaramide-based supramolecular polymers : from self-assembly to in vivo application
The aim of this thesis is to develop and study a robust and adaptable scaffold for supramolecular polymer self-assembly in water.
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Squaramide-based supramolecular polymers
Supramolecular polymers are class of materials that are formed by non-covalent interactions such as hydrogen bonding, π-π interactions, electrostatic interactions and the hydrophobic effect.
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The ecological relevance of chemical diversity in plants
Promotor: P.G.L. Klinkhamer, Co-Promotores: K. Vrieling, P.P.J. Mulder
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Benchmarking Discrete Optimization Heuristics
This thesis involves three topics: benchmarking discrete optimization algorithms, empirical analyses of evolutionary computation, and automatic algorithm configuration.
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Giftige kleuren vergroten seksuele kansen
Waarschuwingskleuren zorgen ervoor dat roofdieren onthouden dat bepaalde prooien giftig zijn. Maar nu blijkt dat de kleuren van Panamese gifkikkers ook door kieskeurige vrouwtjes worden beïnvloed: partnerkeuze kan ook bij deze dieren tot kleurverandering leiden, schrijft Leids promovendus Martine Maan…
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Right on Track: towards improving DBS patient selection and care
Promotie
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Microfluidic 3D cell culture for high throughput screening
There is an urgent need for more physiologically relevant cell culture methods to guide compound selection in pre-clinical stages of the drug development pipeline.
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Self adjuvanting immunopeptides: Design and synthesis
Chapter 2 describes a post-synthetic methodology to introduce a fluorescent label in highly lipophilic, Pam3Cys based conjugates.
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Topics in mathematical and applied statistics
Promotor: A.W. van der Vaart
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Towards improved drug action : target binding kinetics and functional efficacy at the mGlu2 receptor
During the course of drug discovery translational steps are made.
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PUMA (Prospecting the Urban Mines of Amsterdam)
PUMA aims at composing a geological map of the urban mine of Amsterdam for a selection of metals. Where are main deposits of copper, iron and aluminium located, when will they become available for secondary production, in what state and shape are they?
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A meta-analysis of wetland plant traits in relation to the strategies of wetland plants and the impacts on ecosystem functioning
What are trait-trait relationships in wetlands? To what extent the so-called leaf economics traits deviate from terrestrial ecosystems? How traits specific to wetland plant relate to plant strategies? What’s the relationship between wetland plant traits to the ecosystem functioning (e.g. productivity,…
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Pacing in Heart Failure: Focus on Risk Stratification and Patient Selection for Cardiac Resynchronization Therapy
Promotie
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oligosaccharide libraries from GBS capsular polysaccharides for structure-based selection of vaccine candidates
Promotie
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Evaluation of Different Design Space Description Methods for Analysing Combustion Engine Operation Limits
Promotor: Prof.dr. T.H.W. Bäck
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Data-driven Predictive Maintenance and Time-Series Applications
Predictive maintenance (PdM) is a maintenance policy that uses the past, current, and prognosticated health condition of an asset to predict when timely maintenance should occur.
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Data science for tax administration
In this PhD-thesis several new and existing data science application are described that are particularly focused on applications for tax administrations.
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Evolution and development of orchid flowers and fruits
To gain more insight into the evolutionary development of orchid flowers and fruits, the orchid species Erycina pusilla was studied. The evolutionary origin of the median petaloid sepal, the callus on the labellum, and the stelidia was studied.
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Indicators for "decoupling"
Indicators to measure progress in de-linking economic growth and environmental pressure.
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Parallel evolution in an invasive plant species: evolutionary changes in allocation to growth, defense, competitive ability and regrowth of invasive
Promotor: Prof.dr. P.G.L Klinkhamer, Co-promotor: K. Vrieling
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Quantitative systems pharmacology modeling of biotherapeutics in oncology
In this thesis, mathematical modeling and simulation was applied as a tool to inform quantitative decision making in oncology drug discovery and development.
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Optimally weighted ensembles of surrogate models for sequential parameter optimization
It is a common technique in global optimization with expensive black-box functions to learn a surrogate-model of the response function from past evaluations and use it to decide on the location of future evaluations.
- Publicaties
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Mediëvistendag 2022
The theme of the Research School for Medieval Studies' Medieval Studies' Day 2022 (UvA, Amsterdam, 4 November 2022) is Reflections. Please find the registration links below the programme. Questions? Please contact medievistendag2022@gmail.com.
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Student Assistant (10 - 12 hours per week)
Leiden Learning & Innovation Centre
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2 PhD Candidates, Reinforcement Learning for Sustainable Energy
Wiskunde en Natuurwetenschappen, Leiden Institute of Advanced Computer Science (LIACS)
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Meijers PhD Position (1,0 fte)
Rechtsgeleerdheid
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Temperature effects on genetic and physiological regulation of adaptive plasticity
Promotor: P.M. Brakefield
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Legal and Technology Assistant (0,4 FTE)
ICLON, Leiden Learning & Innovation Centre
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PhD Candidate, Interpretable causal machine learning for intervention development from wearable sensors data
Wiskunde en Natuurwetenschappen, Leiden Institute of Advanced Computer Science (LIACS)
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PhD Position on the management of artificial intelligence (AI) in healthcare & policy
Governance and Global Affairs
- Postdoc position in Psycholinguistics
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KNIR Call Colloquia
The KNIR organises up to three Colloquia each year with no more than fifteen participants. All university lecturers working at an NWIB University can apply for this. The selection of candidates focuses on the quality of the application, on motivation and on the relationship with KNIR, Rome and/or Italy.…
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Evolution of Molecular Resistance to Snake Venom α-Neurotoxins in Vertebrates
We have examined sequences from the ligand-binding domain of the nicotinic acetyl choline receptor (nAChR) in 148 vertebrate species. We are in interested in this receptor because the α-neurotoxins of many venomous snakes binds to this receptor in its location at the neuromuscular junction in all ve…
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Research Seminar Series
For questions and suggestions regarding the series, please contact prof. dr. Olaf van Vliet or dr. Max van Lent
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Publicatie artikel “Bypassing the gatekeeper: incidental negative cues stimulate choices with negative outcomes”
Promovendus Niek Strohmaier heeft een artikel gepubliceerd in het gerenommeerde tijdschrift Cognition & Emotion, met de titel: “Bypassing the gatekeeper: incidental negative cues stimulate choices with negative outcomes”. Dit artikel onderzoekt in brede zin welke factoren van invloed zijn op de keuzes…
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Mathematics Leiden University awarded for ‘Top Rated Programmes’ in the Keuzegids Universiteiten 2015!
The Keuzegids Universiteiten 2015 (Guide for Study Choice Universities) has awarded Leiden University with five ‘Top Rated Programmes’: Mathematics, Biomedical Sciences, Greek and Latin Language and Culture, Liberal Arts & Sciences: Global Challenges and Philosophy.
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Stéphanie van der Pas wint Leidse Universitaire Scriptieprijs 2014
Stéphanie van der Pas heeft bij de Leidse Universitaire Scriptieprijzen 2014 de eerste plaats behaald met haar scriptie “Almost the Best of Three Worlds: The Switch Model Selection Criterion for Single Parameter Exponential Families.”
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ERC-funded Postdoctoral Researcher in Molecular Plant Immunity
Wiskunde en Natuurwetenschappen, Instituut Biologie Leiden (IBL)
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Postdoctoral Research Associate in the mechanics of living materials
Wiskunde en Natuurwetenschappen, Lorentz Center
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Analyst - Stem cell platform
Wiskunde en Natuurwetenschappen, Leiden Academic Centre for Drug Research (LACDR)