1,627 zoekresultaten voor “chemisch weapons en ethiek” in de Publieke website
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Chemical tools to monitor and control proteasome activities
Promotores: H.S. Overkleeft; G.A. van der Marel Co-Promotor: B.I. Florea
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Poprhyrin-based metal-organic frameworks for the electrochemical oxygen reduction reaction
Hydrogen peroxide (H2O2) is an important bulk chemical that is used in various industrial processes. More than 95% of the H2O2 used in industry is made via the anthraquinone process during which a large amount of energy is going to waste.
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Zipping into Fusion
Promotor: Prof.dr. J.G.E.M. Fraaije, Co-promotor: A. Kros
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Instituten
Al het onderzoek van de Universiteit Leiden is georganiseerd in instituten. Om recht te doen aan de veelkleurigheid van het onderzoek (en dus ook aan het onderwijs) dat daar uit voortvloeit vindt u op deze pagina’s omschrijvingen van alle Leidse instituten.
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Bioorthogonal Antigens as Tool for Investigation of Antigen Processing and Presentation
In order to be able to develop effective medicine and treatments to prevent or cure autoimmune diseases or cancer we need to understand the mechanisms how they arise and what drives their course.Unravelling the fundamental molecular mechanisms influencing the onset and course of diseases such as allergies,…
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Synthesis of 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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Dynamic hydrogels as synthetic extracellular matrices for three- dimensional cell culture
Synthetic hydrogels that mimic the natural extracellular matrix in the biophysical and biochemical cues it provides to cells are in high demand, however the cell phenotypes as they are observed in vivo in numerous cases have yet to be attained.
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Synthetic, Physical and Computational Chemistry of Propeller-shaped Polycyclic Aromatic Hydrocarbons
This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…
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Targeting Human Proteasomes: Substrates, Inhibitors and Prodrugs
Large parts of the research described in this Thesis aims at the development of oligopeptide-masked toxins and their in situ immunoproteasome-mediated activation.
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Cyclophellitol analogues for profiling of exo- and endo-glycosidases
To this day, all cyclophellitol-based inhibitors and ABPs have been close analogues of their natural substrate counterparts. As a result, these probes showed high selectivity towards their target glycosidases.
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Systems pharmacology of the endocannabinoid system
In this thesis, a system pharmacology approach, integrating metabolomics, pharmacology and chemical biology, was applied to understand and modulate the endocannabinoid system across different model systems (cells, zebrafish, mice and humans).
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Voormalige projecten
Voormalige cliënten en projecten
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Accelerating the Photocatalytic Water Splitting in Catalyst−Dye Complexes
As a virtually inexhaustible source, solar energy plays a major role in future global energy scenarios.
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Deciphering the complex paramagnetic NMR spectra of small laccase
Multicopper oxidase, laccase, can efficiently reduce oxygen to water and are mostly used in the enzymatic biofuel cells.
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Inhibitors and probes targeting mannanases
This thesis describes the synthesis and biochemical evaluation of a variety of cyclophellitol based activity-based probes and inhibitors targeting various endo- and exo-acting retaining glycosidases. In the last two decades a variety of probes and inhibitors for (hemi)cellulose degrading enzymes have…
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Upconverting nanovesicles for the activation of ruthenium anti-cancer prodrugs with red light
Promotor: E. Bouwman, Co-promotor: S. Bonnet
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Studentenleven
Leiden en Delft zijn zeer geschikt om de MST te combineren met persoonlijke ontwikkeling en te werken aan jouw toekomst.
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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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Explorations of Water Oxidation Catalysis in Explicit Solvent
In the search for sustainable energy solutions, the idea of artificial photosynthesis has been proposed as an approach with which to use water and sunlight to produce hydrogen.
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Improvisations in phototrophy
Microbial rhodopsins are photosensitive pigments implemented in the growth and adaptation of a large population of microorganisms.
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Dynamic organization of bacterial chromatin by DNA bridging proteins
Bacteria often experience external challenges, such as changes in environmental conditions or attacks by bacteriophages.
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Structural characterization of bacterial proteins involved in antibiotic resistance and peptidoglycan biosynthesis
This thesis describes the structural and biochemical characterization of the β-lactamase BlaC from Mycobacterium tuberculosis (Mtb), and the Alr and YlmE proteins from Streptomyces coelicolor A3(2).Mtb is the main cause of tuberculosis.
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Heterogenized molecular (pre)catalysts for water oxidation and oxygen reduction
Before the large scale use of renewable energy sources can be implemented in our society, the storage of electrical energy needs to be tackled. Storage the energy as hydrogen via the reduction of protons is a good option.
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Illuminating N-acylethanolamine biosynthesis with new chemical tools
In this thesis, the discovery and optimization is described of chemical tools to study the N-acylethanolamine (NAE) biosynthetic pathway.
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Monitoring Alzheimer's disease in transgenic mice with ultra high field magnetic resonance imaging
Promotor: Prof.dr. H.J.M de Groot, Co-Promotor: A. Alia
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Thermostable Nanodiscs for the development of novel biopharmaceuticals
Nanodiscs are small, disc-shaped structures designed to mimic biological cell membranes, composed of a lipid bilayer stabilized by scaffold proteins. Membrane proteins play crucial roles in essential processes such as nutrient and waste transport, molecular recognition, and cell signalling, making them…
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The heart of oxygenic photosynthesis illuminated
Promotor: Prof.dr. H.J.M de Groot, Co-Promotor: A. Alia
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Mononuclear spin-transition materials based on the bapbpy scaffold
Promotor: Prof.dr. E. Bouwman, Co-Promotor: S. Bonnet
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Photocatalytic redox reactions at the surface of liposomes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
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Reactivity and Selectivity in Glycosylation Reactions
The glycosylation reaction is a pivotal reaction in creating new and complex oligosaccharides.
- De Zaak Zonnestelsel
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Towards photo-CIDNP MAS NMR as a generally applicable enhancement method
Promotores: Prof.dr. H.J.M. de Groot, Prof.dr. J. Matysik (Universitaet Leipzig)
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Inhibitor Selectivity: Profiling and Prediction
Less than 1 in 10 drug candidates that enter phase 1 clinical trials actually gets approved for human use.
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Lipid bilayers decorated with photosensitive ruthenium complexes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
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Direct and two-step activity-based profiling of proteases and glycosidases
Promotores: Prof.dr. H.S. Overkleeft, Prof.dr. G.A. van der Marel
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Resolving the Dynamic Structure of Chlorosomes in Green Sulfur Bacteria by MAS NMR
Understanding how nature captures and transfers solar energy is essential both for elucidating biological photosynthesis and for guiding the design of artificial light-harvesting systems.
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Bioorthogonal tools to study fatty acid uptake in immune cells
The cellular metabolism of immune cells constitutes an important part of their proper function and activation. Using T cells as an example, this phenomenon is highlighted by the metabolic reprogramming that occurs in these cells upon activation.
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Meesters van ons lot?! (najaar 2022)
Ín samenwerking met De Ekklesia Leiden
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Onderzoek
De Faculteit der Archeologie is met meer dan 170 medewerkers het grootste academisch centrum voor Archeologie in continentaal Europa.
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Pre-master
Studenten die niet direct toelaatbaar zijn tot de Educatieve master Religie en Levensbeschouwing komen mogelijk in aanmerking voor een pre-masterprogramma.
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Over de opleiding
Biologie is een brede studie met uiteenlopende onderwerpen en methodieken. Bij de reguliere studierichting Biologie ontwikkel je in de eerste anderhalf jaar een stevige wetenschappelijke basis en leer je verschillende werkvelden beter kennen.
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Duurzaamheid in onderwijs
De universiteit streeft ernaar dat alle studenten in hun opleiding kennismaken met duurzaamheidsthema’s en -vraagstukken, die zoveel mogelijk aansluiten bij de inhoud van hun opleiding.
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Onderwijs
De afdeling Ondernemingsrecht en Financieel recht verzorgt onderwijs op het terrein van onder meer het rechtspersonen- en vennootschapsrecht, het financieel verbintenissen- en aansprakelijkheidsrecht, corporate governance, duurzaamheid, het Nederlands en Europees financieel toezichtrecht, fusies en…
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Onderzoek
Het Instituut Pedagogische Wetenschappen voert onderzoek uit gericht op 6 deelgebieden die gezamelijk het domein dekken van de studie naar normatieve en niet-normatieve ontwikkeling van gedrag, emoties en leren vanaf de jonge kindertijd tot aan de periode van jong-volwassenheid.
- Filosofie en AI
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Studieprogramma
Bij Biomedische wetenschappen word je opgeleid tot wetenschapper in het biomedisch veld. Wat houdt dat eigenlijk precies in en wat leer je allemaal in de bachelorfase?
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Journalistiek en Nieuwe Media (MA)
Wil je journalist worden met een stevige academische basis? In deze master leer je hoe je journalistieke verhalen maakt die overtuigen – met beeld, geluid en tekst. Je ontwikkelt een journalistieke houding én een kritische blik op de rol van media in de samenleving.
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Waarom digital agency belangrijk is
Digital agency is essentieel voor hoe we vandaag leren, onderwijzen en leven. Digital agency is meer dan alleen weten hoe digitale tools werken. Het gaat erom technologie kritisch te begrijpen, bewuste oordelen te vellen en doelgericht te handelen. Het is het verschil tussen geleid worden door technologie…
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Onderwijs
Het onderwijs dat de Afdeling Belastingrecht verzorgt, valt hoofdzakelijk binnen de bacheloropleiding fiscaal recht en de masteropleiding fiscaal recht.
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Over deze minor
In deze minor krijg je kennis van en inzicht in het Nederlandse openbaar bestuur.