424 zoekresultaten voor “organised chemistry” in de Publieke website
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Functionalized two-dimensional membranes and materials for solar-to-fuel devices: a multiscale computational approach
In the current global context, there is a pressing need to address sustainable energy supplies to safeguard our Planet and its ecosystems. The choices made by human society have a significant impact on genetic evolution and climate.
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Thiosugars: reactivity, methodology and applications
Carbohydrates, alongside proteins and nucleic acids, constitute a crucial and versatile family of biomolecules present in all life forms. They manifest as monosaccharides, oligosaccharides, and polysaccharides, covalently bonded to proteins and fats. Carbohydrates are integral to plant and arthropod…
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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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Redox Interconversion between Metal Thiolate and Disulfide Compounds
In the last decade, the redox interconversion between metal thiolate and disulfide compounds has been extensively investigated for copper, but not for other transition metal ions.
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The electrochemical reduction of dioxygen and hydrogen peroxide by molecular copper catalysts
The electrochemical oxygen reduction reaction (ORR) is an essential half-reaction for the utilization of hydrogen as a sustainable fuel, via the conversion of hydrogen to electrons and protons facilitated by the ORR. In the most common fuel cells, the ORR is requires high loadings of non-abundant platinum…
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Photoinduced processes in dye-sensitized photoanodes under the spotlight: a multiscale in silico investigation
With increasing carbon dioxide levels in the atmosphere and their detrimental effect on the global climate, modern society needs to push for more renewable energy sources. Storing widely accessible and abundant solar energy in chemical bonds in the form of molecular fuel via artificial photosynthesis…
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Stewart McDowall
Wiskunde en Natuurwetenschappen
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Observing what cannot be observed: computational electrochemistry from carbon to hydrogen
In this thesis, we consider various (electro)chemical phenomena at surfaces and nanoparticles and their underlying atomistic processes, which we studied using first-principles methods such as density functional theory.
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Activity-based proteomics of the endocannabinoid system
This thesis describes the use of an activity-based proteomics method to study the endocannabinoid system.
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Evolutionary molecular dynamics
This thesis introduces the concept of
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Custom-made online language courses
Make use of this time to improve your language skills by signing up for custom-made online language classes.
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AI in Chemistry: minisymposium
Congres/symposium
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Unconventional fabrication of 2D nanostructures and graphene edges
In this work, we illustrate unconventional approaches towards the fabrication of edge functionalized graphene nanostructures and bidimensional architectures in polymeric and metallic supports, with an outlook towards molecular sensing devices.
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Chemical tools to study lipid signaling
Synthesis and application of chemical biology tools to study immunomodulatory signaling lipids.
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The advantages and disadvantages of bioorthogonal proteins
This thesis describes the use of bioorthogonal proteins in immunological settings. It provides an introduction towards the field of protein modification, which was used throughout the thesis for the expression of proteins containing unnatural amino acids.
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Fate, accumulation and ecotoxicity of copper nanoparticles under environmentally relevant conditions
Fate and toxicity of copper nanoparticles was related to the water chemistry of the environment and pristine size.
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Conference: Moving Humanities (Groningen, 31/10-1/11)
The Moving Humanities Conference will be held at the University of Groningen on October 31st and November 1st. Organised by Radboud University and the University of Groningen, this conference brings together master’s students, PhD candidates, and scholars from various fields within the humanities.…
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Chemical functionalization of the graphene surface for electrical and electrochemical sensing application
Advanced sensing techniques require graphene with high quality and well-controlled surface chemistry.
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Optimization of quantum algorithms for near-term quantum computers
This thesis covers several aspects of quantum algorithms for near-term quantum computers and its applications to quantum chemistry and material science.
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Francesco Buda
Wiskunde en Natuurwetenschappen
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Mario van der Stelt
Wiskunde en Natuurwetenschappen
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Roxanne Kieltyka
Wiskunde en Natuurwetenschappen
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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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Lipid bilayers decorated with photosensitive ruthenium complexes
Promotor: Prof.dr. E. Bouwman, Co-promotor: S. Bonnet
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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.
- Symposia 2023-2024
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Discovery of novel inhibitors to investigate diacylglycerol lipases and α/β hydrolase domain 16A
Promotor: H.S. Overkleeft, Co-promotor: M. van der Stelt
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Molecular and Nano-Engineering with Iron, Ruthenium and Carbon: Hybrid structures for Sensing
Metal complexes and 2D materials like graphene were combined to produce structures that can function as sensors.
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Affinity-based profiling of the adenosine receptors
The adenosine receptors are proteins that reside in the extracellular membranes of cells. Activation of adenosine receptors plays a role in many physiological and pathological processes, such as immune responses and cancers.
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A molecular journey : tales of sublimating ices from hot cores to comets
The thesis explores how interstellar chemistry evolves as a function of time and changing physical architectures during the formation of stars.
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NMR Faciliteit
Met de NMR faciliteit doen we onderzoek naar de synthese van paramagnetische moleculen om kennis te vergaren over de structuur en dynamiek van eiwitten. Deze kennis kan dienen als basis voor een medicijn dat zich hecht aan een eiwit of voor de ontwikkeling van vaccins. Medicijnontwikkeling is één van…
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From midplane to planets : the chemical fingerprint of a disk
This thesis addresses the chemical processes that determine the compositions of giant planet atmospheres.
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Extended Essays
Leiden University’s Academic Challenge
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Voorlichtingswebinar minor Sustainable Chemistry and Biotechnology
Studievoorlichting
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Bioorthogonal chemistry to unveil antigen processing events
Promotie
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Atom addition reactions in interstellar ice - new pathways towards molecular complexity in space -
Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: S. Ioppolo, H.M. Cuppen
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Non-linear astrochemical kinetics: theory and applications
This Thesis shows discoveries in non-linear astrochemical kinetics as well as a deeper analysis of dark clouds chemistry.
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Structure-reactivity relationships in glycosylation chemistry
Promotie
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PhD candidate for the StorytimeLM project
Wiskunde en Natuurwetenschappen, Leiden Institute of Advanced Computer Science (LIACS)
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1 PhD Candidate to study transcription factor binding to chromatin at the single-molecule level
Wiskunde en Natuurwetenschappen, Leids Instituut voor Onderzoek in de Natuurkunde (LION)
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Postdoctoral candidate for chemically defined synthetic antibody development
Wiskunde en Natuurwetenschappen, Leiden Academic Centre for Drug Research (LACDR)
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Zo vormt zich een verbindingskanaal tussen twee celonderdelen
Het kanaal waarmee twee celonderdelen materiaal uitwisselen, blijkt zich aan de rand van hun contactoppervlak te vormen, en niet in het midden. Dat ontdekten de Leidse fysische scheikundigen Jelger Risselada en Edgar Blokhuis samen met onderzoekers van de Universiteit van Lausanne in Zwitserland. Ze…
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Een gedreven buitenstaander: J.H. van 't Hoff de eerste Nobelprijswinnaar voor Scheikunde
This dissertation presents a new perspective on the life, work and character of the Dutch physical chemist Jacobus Henricus van ’t Hoff, first recipient of the Nobel Prize in Chemistry, and one of the most important and colourful scientists in Dutch history. The image of Van ’t Hoff that emerges from…
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Nieuw potentieel geneesmiddel onderdrukt door chemotherapie veroorzaakte neuropathische pijn
Onderzoeker Mario van der Stelt van onderzoeksinstituut Oncode heeft met zijn medewerkers een nieuw potentieel geneesmiddel (stofnaam: LEI-515) ontdekt dat door chemotherapie veroorzaakte neuropathische pijn onderdrukt.
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Superstructures of lipids and graphene
This thesis systematically analyzes the physical-chemistry of lipid-graphene interactions with the major objective of reconciliating the variety of results reported in the literature.
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Graphene at fluidic interfaces
In this thesis unconventional tools based on fluidic interfaces were developed to study the surface and interfacial chemistry of graphene, to characterize the intrinsic properties of graphene, to disentangle the effects of substrate and of the environmental factors, and to improve handling protocols…
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Vervolgopleidingen
Na het afronden van de bacheloropleiding volgen verreweg de meeste studenten de masteropleiding. De Universiteit Leiden stimuleert studenten om na hun bacheloropleiding door te gaan met de masteropleiding.
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Genomics applications of nanopore long-read sequencing for small to large sized genomes
In this thesis I highlight the applications of Oxford Nanopore Technologies (ONT) sequencing. This technique is a relatively new approach in the sequencing field, where nanopores are embedded in a membrane, DNA molecules are pulled through nanopores and an electrical current serving as the sequencing…
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Activiteiten
Maak kennis met de wetenschap via deze activiteiten bij de universiteit of op school.
- ELS lab meeting - Lunch & Learn with Open Science Community Leiden