1,475 search results for “plant effects” in the Public website
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Effects of interdependency between teachers in professional learning communities on differentiated teaching based on cognitive differences of
What relationships exist between different types of PLCs and cognitive differentiated teaching?
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Vocational identity among at-risk adolescents. Effectiveness of programs at lower VET aiming at continuing education or work
The overall aim of the project is to investigate effective ways to strengthen vocational identity of at-risk adolescents in order to contribute to a successful transition from late secondary to post secondary lower vocational education or to work.
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Does removing job security foster healthy and effective organisations? A systematic review of public and private sector research
This article by Kohei Suzuki and his co-authors examine the relationship between job security, at-will employment, and employee outcomes in the public sector amid growing reforms and politicisation.
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Interest Groups: On the intermediary role of interest groups and its effects for their political relevance
How and when do interest groups organise themselves as transmission belts and what are the implications for their political relevance among public officials involved decision-making processes?
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The evolution of the diversity of secondary metabolites
Why do plants produces always produced so many slightly differing metabolites within a particular chemical class?
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Ovalbumin coated pH-sensitive microneedle arrays effectively induce ovalbumin-specific antibody and T-cell responses in mice
The aim of this work was to study the applicability of antigen-coated pH-sensitive microneedle arrays for effective vaccination strategies. Therefore, a model antigen (ovalbumin) was coated onto pH-sensitive (pyridine-modified) microneedle arrays to test pH-triggered antigen release by applying the…
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The effect of the chain length distribution of free fatty acids on the mixing properties of stratum corneum model membranes
The stratum corneum (SC) plays a fundamental role in the barrier function of the skin. The SC consists of corneocytes embedded in a lipid matrix.
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New funding for the development of a metabolomics resistance test at the IBL
Researchers from the Plant Ecology and Phytochemistry group at the Institute of Biology Leiden (IBL) received an STW (Stichting Technologische Wetenschappen) grant for applied studies in plant herbivore resistance with potential for a novel resistance test.
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Schouwburgstraat Community Garden
In September 2023, we started transforming a under-utilised outdoor space into a greener and more biodiverse garden in which all students and staff of the Schouwburgstraat can relax and enjoy.
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Roderick Bouman -
Arthur Schoorlemmer -
The individual level effect of symbolic representation: An experimental study on teacher-student gender congruence and students’ perceived abilities
Studies on representative bureaucracy have often confirmed the positive performance effects of bureaucracies mirroring the demographic characteristics of their clientele. However, little is known about the underlying individual level mechanisms leading to these outcomes.
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Ine AlbertsAdministration and Central Services
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Heidi Rooijakkers -
Institute of Environmental Sciences (CML): best institute for quantitative environmental issues
A liveable planet. More biodiversity. And resources which are being managed wisely. At the CML, we want to make an impact with our research and education. On this website you can read what we do to achieve that.
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map of the Netherlands shows where nitrogen reduction will be most effective
By reforming agriculture in targeted areas, we can protect the Natura 2000 areas much more effectively. This is what Jan Willem Erisman of Leiden University and Ton Brouwer of Gispoint consultancy write in a new report. They have created a special, nitrogen map of the Netherlands that shows the areas…
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A pharmacognostic study of Vernonia guineensis Benth. (Asteraceae): bioactivity, safety, and phytochemical analysis
Promotor: Prof.dr. R. Verpoorte, , Co-Promotor: Young Hae Choi
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APELAFICO: Acoustic ecology of PELAgic FIsh COmmunities: A study into the effects of construction and operation of wind farms
Do offshore windfarms affect the local biodiversity of the pelagic fish community and are fish deterred or attracted by sounds?
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Pressure: Optical side-band cooling of a trampoline resonator and the effect of superconductivity on the Casimir force
This thesis consists of two subjects, that are both a consequence of radiation pressure.
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Clusters
The IBL has four Clusters: Animal Sciences, Plant Sciences, Microbial Sciences and Science Communication and Society.
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Precision medicine for agriculture: harnessing peptide-producing microbiota for sustainable crop protection
Identifying natural plant-associated bacteria that provide targeted inhibition of pathogens through the production of antimicrobial peptides.
- Prof Dr André Kessler
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Is CETA a barrier to effective climate policy?
One of the objections to the Comprehensive Economic and Trade Agreement between Canada and Europe (Ceta) is that countries would be surrendering national sovereignty to multinationals which will obstruct effective climate policy. But compared to other trade agreements, CETA is an improvement.
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In vitro and in vivo evaluation of synergistic and opposing effects of Chinese herbal medicine and natural compounds on immuno-modulation.
Can we link multiple components from herbal extracts with their biological activities?
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Terrorism Experts’ Predictions Regarding the Effects of the COVID-19 Pandemic on the Activities of Violent Non-State Actors
In this article, Yannick Veilleux-Lepage and Tommy van Steen, assistant professors at the Institute of Security and Global Affairs, discuss the degree of consensus within the field of terrorism studies regarding the impact of the COVID-19 pandemic on the activities of violent non-state actors.
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Cheating belowground interactions
Mycoheterotrophy is a particular mode of life in which plants obtain carbohydrates from their associated fungal partners, instead of by using photosynthesis.
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Beyond random and forbidden interactions : how optimizing energy gain results in morphological matching among subalpine Asteraceae and their
Plants and their pollinators form complex interaction networks. Within these networks, species differ widely in the number of species they interact with.
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Koen van de Vrande -
Role of non-homologous end-joining in T-DNA integration in Arabidopsis thaliana
Promotor: P. J. J. Hooykaas Co-promotor: B. S de Pater
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The early stress response of jasmonic acid in cell suspension cultures of Catharanthus roseus
In order to gain a better insight into the basis of the rapid jasmonic acid (JA)-mediated stress response, an integrated approach using a targeted high-resolution mass spectrometry-based (HRMS) platform, was conducted to monitor the metabolism of JA using the model system of cell suspension cultures…
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Novel role of the AT-HOOK MOTIF NUCLEAR LOCALIZED 15 gene in Arabidopsis meristem activity and longevity
Plant architecture has distinct forms in different plant species, but also within a species the finalarchitecture of a plant is determined by its gradual development and changes therein induced by environmental conditions during the plant’s life cycle.
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New STW-grant for study on crop protection
Dr. Kirsten Leiss and Prof. Peter Klinkhamer received 900.000 euro’s from “Stichting Toegepaste Wetenschappen (STW)” and the company “Rijk Zwaan” to develop plants that are resistant to thrips, a major agricultural pest all over the world.
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François Mesnard
PhD at Université de Picardie Jules Verne, Amiens - France
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GRASP: AI-enabled Gene Regulatory Analysis for Crop Stress Resilience
How can artificial intelligence help reveal the gene regulatory mechanisms that enable crops to respond to environmental stress and disease, ultimately supporting the development of more resilient agriculture?
- Prof Dr Matthias Erb
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Transcultural Health Care Utilisation in Serengeti of Tanzania: Towards Applied Ethnoscience in Public Health Management
The research provides insight into disease behavior in both rural and semi-urban areas in Serengeti in Tanzania.
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Arabidopsis AGC3 kinases and PIN plasma membrane abundance
The plant hormone auxin plays a central role in the growth and development of plants. Auxin acts in a concentration dependent manner and polar cell-to-cell transport of this hormone determines its distribution in the tissues of plants. This polar auxin transport is mediated by several families of auxin…
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Starchy foodways
Surveying Indigenous Peoples’ culinary practices prior to the advent of European invasions in the Greater Caribbean
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Kees Libbenga -
Bert van Duijn -
Pingtao Ding -
Research
PBDL favors multidisciplinary research. Depending on the problems under investigation, PBDL establishes collaborations between experts from for example molecular genetics, molecular and electro cell physiology, biochemistry, organic chemistry, analytical mathematics, mathematical statistics and computational…
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Professional learning communities in pre-vocational secondary schools: Effects of interdependency on differentiated teaching
Three types of PLCs are studied, varying on the dimension of autonomy of and interdependency between teachers: Joint work, Aid and assistance and Shared practices.
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instruments in intrastate conflicts: ceasefire objectives and their effects on peace negotiations
Conceptualizing ceasefires as bargaining instruments challenges established ideas about the processes that lead up to conflict settlement, and about war re-emergence, with important implications for our understanding of war and peace.
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A micro-trial study to investigate the effectiveness of public speaking treatments in children
Which intervention technique is more effective in reducing public speaking anxiety in children aged 9 – 12 years, exposure or restructuring cognitions?
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Stereoelectronic and conformational effects in oxocarbenium, iminium and iminosugar ammonium ions
Promotor: G.A. van der Marel, Co-promotor: J.D.C. Codée
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Effects of COVID-19 on international organisations, humanitarian action, and human rights
This research explores how international organisations responded to the humanitarian and human rights challenges brought about by COVID-19.
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Hydrodynamics and the quantum butterfly effect in Black Holes and large N quantum field theories
Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?
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The SMILE study: Sleep Mood lntervention: Live Effectively a group intervention in students with sleep problems
Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?
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Effects of the early social environment on song and preference learning in zebra finches
Songbirds as vocal learners learn their songs and song preference from social tutors. Tutor choice for both song and preference learning are important to characterize for understanding individual learning performance and cultural transmission of song.