313 zoekresultaten voor “soil barrier repair” in de Publieke website
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Hazal Kandemir
Wiskunde en Natuurwetenschappen
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Volatile compounds from Actinobacteria as mediators of microbial interactions
Streptomyces are bacteria abundant in soil that participate in diverse and complex interactions. These bacteria are the main producers of the antibiotics we currently use in the clinic.
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Fungi of the greening Arctic: compositional and functional shifts in response to climatic changes
Promotor: E.F. Smets Co-promotor: J. Geml
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Peeking into the future: Fungi in the greening Arctic
Promotor: E.F. Smets, Co-promotor: J. Geml
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The Ecology and Evolution of Microbial Warfare in Streptomyces
The soil-dwelling, filamentous bacteria of the genus Streptomyces are renowned for their production of useful secondary metabolites including antibiotics. The work described in this thesis provides new insights on the role and regulation of antibiotic production and resistance in these bacteria.
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Soil and Crop Management Options to Improve N Cycling on Dairy Farms on Peat Soil
Promotie
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Resistance to PARP inhibition by DNA damage response alterations in BRCA1/2-deficient tumors
Inactivating mutations in BRCA1 or BRCA2 genes predispose to several types of cancer.
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Nano shapes micro : Impacts of metallic nanoparticles on microbial communities
This thesis aimed to investigate the impact of exposure dynamics, relative contributions of ENPs(particle) and ENPs(ion), and dosing regimens on the toxicity of ENPs varying in different physico-chemical properties, on the composition and functioning of soil microbial communities.
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Unravelling molecular mechanisms in transcription-coupled nucleotide excision repair
Promotie
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Nucleotide excision repair: from molecular mechanisms to patiënt phenotypes
Promotie
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Control of replication associated DNA damage responses by Mismatch Repair
Promotie
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Environmental and health impact of informal e-waste recycling
The majority (80%) of e-waste generated globally are recycled informally in developing countries.
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Barrier Free Studying Lunch Meeting
Lezing
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Development of life cycle assessment for residue-based bioenergy
Promotores: Prof.dr.G.R. de Snoo and Dr. R. Heijungs
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Morphogenesis and heterogeneity in liquid-grown streptomyces cultures
The filamentous bacteria Streptomyces are widespread inhabitants of terrestrial soils.
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Promotie R. Rissmann
Op dinsdag 17 maart promoveert Robert Rissmann van het LACDR. De titel van zijn proefschrift luidt
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Micro-leven bij biologische en gangbare melkveebedrijven voor het eerst in kaart gebracht
Elk onderdeel van de kringloop op een melkveebedrijf heeft een specifieke bacterie- en schimmelsamenstelling. Dat ontdekten de Leidse postdoc onderzoeker Sofia Gomes en haar begeleiders Nadia Soudzilovskaia en Peter van Bodegom in samenwerking met het Louis Bolk instituut en Naturalis Biodiversity Centre.…
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Modelling the role of mycorrhizal associations in soil carbon cycling
Promotie
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Soil Organic Amendments for Climate-Smart Agriculture
Promotie
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Een artistieke kijk op verborgen bodemschimmels
Muziek van een composteerbare cello, foto’s en geurtjes van schimmels en een geweven wandkleed. Het zijn een aantal voorbeelden uit Super Organism, het kunstproject van Suzette Bousema waarin je de ondergrondse schimmelwereld met al je zintuigen kunt beleven. Leids milieuwetenschapper Nadia Soudzolovskaia…
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Emilia Hannula
Wiskunde en Natuurwetenschappen
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The development of molecular tools for investigating NAD+ metabolism and signalling
Nicotinamide adenine dinucleotide (NAD+) is the substrate used for the introduction of the ubiquitous and highly dynamic PTM in which either one or multiple adenosine diphosphate ribose (ADPr) moieties are covalently attached to a nucleophilic side chain of an specific amino acid in the target protein…
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Ook planten hebben wel eens burenruzie
Herstel van de natuur op uitgeputte landbouwgrond en in natuurgebieden verloopt moeizaam. ‘Bodemtransplantatie’ kan mogelijk uitkomst bieden. Dat betoogt Martijn Bezemer, hoogleraar Ecologie van Plant-Microbe-Insect interacties. Oratie op 18 december.
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David Zetland in Biznews about watershortage in California
Gisteren verscheen er een artikel in Biznews over het watertekort in California. David Zetland, universitair docent aan het Leiden University College The Hague, gaf zijn mening over dit probleem.
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Centrum voor milieuwetenschappen: beste instituut voor kwantitatieve milieuvraagstukken
Een leefbare aarde. Meer biodiversiteit. En verstandig omgaan met resources. Bij het CML willen we impact maken met ons onderzoek én onderwijs. Op deze website lees je hoe we dat doen.
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Environmental and metabolomic study of antibiotic production by actinomycetes
Promotor: Prof.dr. G.P. van Wezel
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Mechanisms underlying mutational outcomes of DNA double-strand break repair
Promotie
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Hybrid zone dynamics in amphibians
Hybrid zones occur where two species meet and produce offspring (hybrids). Typically, hybrids show a considerable reduction in fitness. In this thesis two hybrid zones are treated.
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Lipid mediated colloidal interactions
The lipid membrane is a basic structural component of all living cells. Embedded in this nanometer-thin barrier, membrane proteins shape the membrane and at the same time respond to the shape of the membrane.
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Highly Accurate Simulations and Benchmarking of Molecule-Surface Reactions
Heterogeneous catalyzed processes are highly significant to the chemical industry. Dissociative chemisorption (DC) of molecules on surfaces is always considered as a step with a high degree of rate control for heterogeneous catalysis.
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Exposure and health Assessment of Persistent Organic Pollutants (POPs) at e-waste recycling site among workers in the informal sector in Nigeria
Do e-waste workers display enhanced effects of adverse health effects due to informal e-waste processing in Nigeria? Is there a difference between the health outcomes of the exposed and the control groups? Are there difference in health effects within and between job groups (collectors, dismantlers,…
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OSCoffee: Open Science in Criminology - barriers and opportunities
Lezing
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Novel Immune Cell-Based Therapies for Atherosclerosis
Promotor: Prof.dr. J. Kuiper
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Machine learning and computer vision for urban drainage inspections
Sewer pipes are an essential infrastructure in modern society and their proper operation is important for public health. To keep sewer pipes operational as much as possible, periodical inspections for defects are performed.
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Manipulating carbon nanotubes Towards the application as novel field emission sources
Promotores: T.H. Oosterkamp, N. de Jonge
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Beter inzicht in concurrentiestrijd tussen microben in bodems en oceanen
Vooral neerslag en bodemzuurgraad bepalen welke microben in een bepaalde habitat overleven en welke niet. Deze kennis is van belang om de biodiversiteit in stand te houden. Leidse milieukundigen werkten mee aan het onderzoek. Publicatie in Nature op 1 augustus.
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Mireadili Kuerban
Wiskunde en Natuurwetenschappen
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Weilin Huang
Wiskunde en Natuurwetenschappen
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Eman Elbadry
Wiskunde en Natuurwetenschappen
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Anniek Kortleve
Wiskunde en Natuurwetenschappen
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Dirk-Jan Kok
Wiskunde en Natuurwetenschappen
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Imaging the (un)imaginable of the Barrier Immune System
Promotie
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Plant-soil interactions determine ecosystem aboveground and belowground processes in primary dune ecosystems
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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Engineering of antigen-saving dissolving microneedles for intradermal vaccine delivery
The intradermal administration route is attractive for vaccine delivery, because of the highly populated antigen-presenting cells in the skin. However, the skin’s main physical barrier, the stratum corneum, prevents vaccines from entering the skin.
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Metagenomics for community ecology; a next generation of eDNA monitoring tool for biomass studies in freshwater environments
How can we quantify the density of species within a community through environmental DNA concentrations?
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Functional analysis of agrobacterium tumefaciens virulence protein VirD5
Supervisor: P.J.J. Hooykaas
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Monitoring drought and salinity stress in agriculture by remote sensing for a sustainable future
Food security is challenged by a growing global population and by climate change. Drought and soil salinity are considered the most important ones that inhibit crop yield and distribution. Worryingly, climate change is predicted to increase not only their frequency and severity, but also their co-occurrence,…
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Global distribution patterns of mycorrhizal associations
Mycorrhizas are symbiotic associations between soil fungi and most plant species.
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Molecular characterization of copper-dependent enzymes involved in Streptomyces morphology
Promotor: G.P. van Wezel, Co-promotor: D. Claessen