1,610 zoekresultaten voor “chemistry wapens en ethiek” in de Publieke website
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Blue Sky Workshop: Terrorist Exploitation of Artificial Intelligence
On 7 and 8 November 2024, the International Centre for Counter-Terrorism (ICCT), the Institute of Security & Global Affairs at Leiden University, and The Netherlands’ National Coordinator for Security and Counter Terrorism (NCTV) partnered to host a ‘Blue-Sky’ Terrorist Exploitation of Artificial…
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Voor wie
Het Centrum voor Juridisch Ondernemerschap en Innovatie vindt het belangrijk dat docenten, studenten en onderzoekers geïnformeerd worden over de impact van technologische ontwikkelingen in het juridische werkveld in het kader van de relevantie van het onderwijs, de aanknopingspunten voor academisch…
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The Anthropomorphic Hegemony of Subjectivity: Critical Reflections on Law and the Question of the Animal
Op 16 december 2019 verdedigde Jan-Harm de Villiers zijn proefschrift 'The Anthropomorphic Hegemony of Subjectivity: Critical Reflections on Law and the Question of the Animal'. Het promotieonderzoek is begeleid door promotor prof.dr. P. Cliteur.
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Krijgsgeweld en kolonie. Opkomst en ondergang van Nederland als koloniale mogendheid 1816-2010
Dit recent verschenen boek analyseert en verklaart de opkomst en ondergang van Nederland als koloniale mogendheid vanuit militair perspectief.
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IOnderzoeksgroep ntelligence and Security
De onderzoeksgroep Intelligence and Security houdt zich bezig met inlichtingen en veiligheid binnen de Europese Unie. De aanpak is interdisciplinair en weerspiegelt de brede benadering van het ISGA. Inzichten uit onder meer ethiek, geschiedenis, recht, politicologie, psychologie en sociologie worden…
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MOOC The Importance and Power of Music in our Society
Online cursus The Importance and Power of Music in our Society
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AI voor mens, maatschappij en wetenschap
Verantwoorde AI voor een sterke en veerkrachtige samenleving en wetenschap.
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Over de opleiding
Ontdek de MSc Political Theory: Legitimiteit en Rechtvaardigheid aan Universiteit Leiden — met focus op politieke filosofie, diepgaande theorievakken, keuzevakken, en afsluiting met scriptie of stage.
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Een kleine stap op platina, een grote stap voor de elektrochemie: Een realistischer beeld van platina-elektroden
De huidige elektrochemische theorie voldoet niet voor realistische platina-elektroden. Wetenschappers van de Universiteit Leiden hebben nu voor het eerst de invloed van imperfecte platina-oppervlakken in kaart gebracht. Dat geeft een beter beeld van deze elektroden, met toepassingen voor waterstofproductie…
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Lipasen: een nieuwe doelwit in de strijd tegen tuberculose
Hoe helpen lipasen in Mycobacterium tuberculosis de bacterie te overleven, en kunnen we deze enzymen gebruiken als doelwit voor nieuwe antibiotica?
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Oncode Accelerator
Nog altijd lukt het niet om alle kankerpatiënten van de juiste behandeling te voorzien. Oncode Accelerator wil daarom de manier waarop we kankerbehandelingen ontwikkelen innoveren: binnen het programma wordt de patiënt centraal gesteld. Universiteit Leiden en LUMC gaan hier samen met andere partijen…
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Communicatie over onzekerheden
Om goed onderbouwde besluiten over complexe onderwerpen zoals het klimaat, recht en gezondheid te kunnen nemen, zijn wetenschappelijke resultaten van groot belang. Maar wetenschappelijke resultaten bevatten altijd een mate van onzekerheid. Binnen het onderzoek Communicatie over onzekerheden wordt onderzocht…
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Onze mensen
Dit zijn de mensen die binnen de Universiteit Leiden actief zijn op het gebied van kunstmatige intelligentie.
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De geur van het universum
Voormalig promovendus Cameron Mackie krijgt niet één, maar twee proefschriftprijzen voor zijn proefschrift over het aromatische universum. Door zijn werk kunnen we binnenkort misschien een virtueel ‘snuifje’ van de ruimte nemen. ‘Deze moleculen in de ruimte ruiken waarschijnlijk als een grote houtsk…
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Eduard Fosch VillarongaFaculteit der Rechtsgeleerdheid
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Connecting dots between natural and artificial Photosynthesis
Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.
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1,2-cis-glycosylations: method development and synthesis of complex oligosaccharides
Promotor: G.A. van der Marel, Co-promotor: D.C. Codée
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Studies of dust and gas in the interstellar medium of the Milky Way
Promotor: Prof.dr. A.G.G.M. Tielens
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The role of water in hydrogen electrocatalysis
Promotor: M.T.M. Koper, Co-promotor: L. Juurlink
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Infrared spectroscopy of astrophysically relevant hydrocarbons
This thesis is about the study of hydrocarbons via infrared spectroscopy.
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Gold nanoparticle-peptide conjugates for biomedical applications
Despite the fact that gold nanoparticles (GNPs) are one of the most studied nanoparticles, there is still a necessity for new approaches allowing for effective protective coating to enable wider use of GNPs in biomedical applications.
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Iron complexes as electrocatalysts for the water oxidation reaction
In this dissertation, the synthesis and characterization of a series of iron complexes based on different ligand platforms are described.
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Water related adsorbates on stepped platinum surfaces
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
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Steps in gas-surface reactions
Heterogeneous catalysis is essential to many industrial applications. These catalysts are often comprised of supported nanoparticles, which contain various different surface sites.
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Fundamental research on the voltammetry of polycrystalline gold
Voltammetry plays a crucial role in modern scientific research by offering valuable insights into the electrochemical properties of materials, with wide-ranging applications in fields such as materials science, energy storage, corrosion studies, and sensor development.
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X-ray spectroscopy of interstellar dust: from the laboratory to the Galaxy
In this thesis, we present new laboratory data of interstellar dust analogues.
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Linking simple molecules to grain evolution across planet-forming disks
Planets are formed in disks of gas and dust around young stars.
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The optimization and scale-up of the electrochemical reduction of CO₂ to formate
Carbon dioxide capture and utilization technologies are necessary to create a truly circular economy. The electrochemical reduction of carbon dioxide to formate is an appealing carbon utilization method as it can be performed at room temperature and pressure, it only requires two electrons, and it has…
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Automated de novo metabolite identification with mass spectrometry and cheminformatics
Promotor: T. Hankemeier, Co-Promotores: T. Reijmers, L. Coulier
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Electrochemical and surface studies of the effect of naphthalene-based additives on tin electrodeposition
Tin electrodeposition applications have rapidly evolved in the past 25 years.
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Design and application of dextran based cross-linked networks
This thesis describes the design, characterization and application of dextran based crosslinked network.
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Interaction of oxygen and carbon monoxide with Pt(111) at intermediate pressure and temperature: revisiting the fruit fly of surface science
Promotor: M.T.M. Koper, Co-promotors: A.I. Yanson, L.B.F. Juurlink
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Advancing image-based localization of lipid-based nanomedicines for the exploration of targeted drug delivery
Microscopic insight on lipid-based nanomedicine in vivo remains limited to the perception of the knowledge that could be obtained: if we interpret only what we see, then we only believe to know. Although believing to know encapsulates an undefined amount of uncertainty in the exploration of lipid-based…
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Platinum surface instabilities and their impact in electrochemistry
Hydrogen fuel cells are expected to be pivotal in the energetic transition towards renewable energy sources such as solar and wind power. However, their industrial scalability is severely hindered by the high cost and degradation rate of platinum catalysts, one of their key components. Addressing this…
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A chemical biology approach to explore lipid metabolism in neurological disorders
Neurodegenerative diseases pose a large medical and societal challenge. The etiology of these diseases is still poorly understood, which makes drug discovery for these diseases difficult.
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Kinetic and Non-Kinetic Effects for the Alkaline Oxygen Evolution Reaction on NiFeOOH Electrocatalysts
Green hydrogen is produced via a process called water electrolysis. During electrolysis water is split into oxygen and hydrogen.
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Operando Spectro-electrochemical investigations of Pt and Pt-alloys as Fuel Cell Catalysts
The overall theme of this thesis is to complement the electrochemical data acquired in fuel cell research with in situ X-ray photoelectron spectroscopy (XPS) and soft X-ray absorption spectroscopy (XAS).
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Coupled Electronic and Nuclear Dynamics at Interfaces of Artificial Photosynthesis Devices
Reducing greenhouse gas emissions is one of the most pressing challenges that humanity faces in the coming decades.
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Determination of surface formation energies on curved single crystals from STM images
In this thesis, we study different curved single crystals because of the diversity of surface structures across their curvature.
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Education
The specialisation Science Communication and Society (SCS) concerns science communication in a broad sense. The program focuses on the link between science and society and covers knowledge and skills in the field of science communication.
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A pharmacognostic study of Vernonia guineensis Benth. (Asteraceae): bioactivity, safety, and phytochemical analysis
Promotor: Prof.dr. R. Verpoorte, Co-Promotor: Dr. Young Hae Choi
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In vitro investigation of the photoprotection mechanism of Light Harvesting Complex II
Solar energy is used by photosynthetic organisms to drive energy required cellular processes. Is absorbed by two groups of pigments, located in the LHCs.
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Tales of Orion: the interplay of gas, dust, and stars in the interstellar medium
Promotores: Prof.dr. A.G.G.M. Tielens, Prof.dr. L. Kaper (UvA)
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Advances in GPCR Modeling Evaluated by the GPCR Dock 2013 Assessment: Meeting New Challenges
Source: Structure , Volume 22, Issue 8, pp. 1120-1139 (2014)
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Lost in Chemical Space, Found in Data
Developing new medicines is one of modern science's most significant hurdles, a process marked by high costs, long timelines, and frequent failures of promising candidates.
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Exploring Reactive Interfaces: Nanoplastics, Catalysts, and 2D Materials
This thesis investigates reactive interfaces in surface science across three domains: heterogeneous catalysis, environmental nanoplastics, and two-dimensional materials.
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Advances in 2D Material Synthesis, Transfer, and Device Integration
This thesis focuses on developing wafer-scale two-dimensional (2D) materials by combining synthesis, transfer, characterization, and device integration of graphene, hexagonal boron nitride (h-BN), and BN-doped amorphous carbon.
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Artificial metallo-proteins for photocatalytic water splitting: stability and activity in artificial photosynthesis
Climate change is one of the largest challenges faced by humanity. To combat this research into alternatives to fossil fuels is ongoing. Dihydrogen is considered a good alternative fuel, since its burning only forms water.
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A study on PsbS and its role as a pH sensor
Solar energy harnessed by plants and algae has great potential to be converted into biofuels for future generations.
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Understanding functional dynamics and conformational stability of beta-glycosidases
Due to their central physiological roles in living organisms, retaining beta-glycosidases have been the subject of tremendous research efforts to examine their structure/function relation using numerous biophysical and biochemical approaches.