1,329 search results for “since molecular” in the Public website
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Towards Photocatalytic Water Splitting in Homogeneous Solutions Using Molecular Metalloporphyrin Photosensitizers and Catalysts
Indonesia is experiencing various environmental challenges related to its fast economic growth. Therefore, it is necessary to have measurable and applicable indicators to obtain accurate data and information regarding the costs of adverse environmental impacts arising from economic activities to support…
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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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Integrative omics analyses of sarcomas with complex genomes: from molecular characterization to therapeutic strategies
PhD defence
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Charge transport properties of Ru-complex molecules: the influence of humidity
I will give a general introduction to the field of molecular electronics, its history, methods and challenges. I will also introduce the subject of my investigation and provide a brief outlook to the remainder of our thesis.
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Humidity switches molecular diode off and on
An international group of scientists, led by Leiden physicist Sense Jan van der Molen, has developed the first switchable molecular diode. You can turn this on and off through humidity. Vice versa, it is a humidity sensor at the nanoscale. Publication on 4 December in Nature Nanotechnology.
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Nationalism in Europe since 1945
Adopting a largely chronological approach, Gerrits links the historiography of post-war Europe and the major theoretical approaches to nationalism with analysis of key historical developments and events.
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Sander WezenbergFaculty of Science
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Sam BoerlijstFaculty of Science
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Kevin GroenFaculty of Science
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IIMIGRATI: Ireland and Italy’s migration experiences since 1945 compared
How has migration affected Irish and Italy society since 1945?
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Causing a stir: Radiative and mechanical feedback in starburst galaxies
Promotores: Prof.dr. F.P. Israel, Prof.dr. P.P. van der Werf
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Contributions to the phylogeny of the haplolepideous mosses
The haplolepideous mosses (Dicranidae) comprise about 4000 species distributed over a wide range of habitats, with great gametophytic and sporophytic morphological variation. Their monophyly is well supported by the results of several molecular phylogenetic studies, which shed light on their relationships…
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The relation between dynamics and activity of phospholipase A/acyltransferase homologs
Phospholipase A/acyltransferase 3 (PLAAT3) and PLAAT4 are enzymes involved in the synthesis of bioactive lipids. Despite sequential and structural similarities, the two enzymes differ in activity and specificity.
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Accurate modeling of the dynamics of dissociative chemisorption on metal surfaces
Fundamental understanding of molecular reactions on metal surfaces is important for improving heterogeneous catalysis.
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Labour Question: Ideological Antagonism, Workers’ Movements and the ILO since 1919
This book connects labour history, global history and the institutional or political history of international organisations.
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Persistent Revolution: History, Nationalism, and Politics in Mexico since 1968
A Persistent Revolution: History, Nationalism, and Politics in Mexico since 1968
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Dorien PetersFaculty of Medicine
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Selective electrochemical H2O2 production by a molecular copper catalyst: A crucial relation between reaction rate and mass transport
Hydrogen peroxide (H2O2) generation via electrochemical oxygen reduction is a sustainable production method for this bulk chemical. However, the selectivity of molecular catalysts for electrochemical H2O2 generation has hardly been investigated in a systematic manner, and it is unknown if their stability…
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UV Photodesorption and Photoconversion of Interstellar Ices
This thesis is an experimental study of the UV irradiation of the interstellar ice analogues, relevant for the different stages of the star and planet formation sequence.
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Transformation and sublimation of interstellar ices: insights from laboratory experiments and astronomical observations
Stars and planets form within cold, dense clouds of gas and dust drifting through interstellar space. Although dust makes up only a small fraction of this material, it plays a key role in shaping the chemical evolution of these environments.
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Serena Viti is our new professor of Molecular Astrophysics
The Leiden Observatory has appointed a new professor. Selena Viti will hold a chair in Molecular Astrophysics. Viti will build a research group that combines different research techniques to unravel the secrets of local and external galaxies. ‘My main ambition is to change the way scientists interpret…
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Hydrocarbons in interstellar ice analogues: UV-vis spectroscopy and VUV photochemistry
Promotor: Prof.dr. H.L.V. Linnartz
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Electronic spectroscopy of molecules of astrophysical interest
This thesis revolves around the electronic spectroscopy of molecules in the laboratory and the search for the carriers of the diffuse interstellar bands (DIBs).
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Breaking & Entering: PAH photodissociation and top-down chemistry
Laboratory, observation and modeling work on the dissociation of polycyclic aromatic hydrocarbons in interstellar environments and the formation of new molecular species through the fragmentation process.
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Semi-empirical approach to the simulation of molecule-surface reaction dynamics
Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.
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Laura Heitman appointed as Professor of Molecular Pharmacology
As of 1 November, Laura Heitman has been appointed full Professor of Molecular Pharmacology at the Leiden Academic Centre for Drug Research (LACDR). Heitman has been working on the understanding and improvement of drug-receptor interactions in early drug discovery. ‘My ultimate aim is to make medicines…
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Gilles van WezelFaculty of Science
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The Miliuseae revisited: phylogenetic, taxonomic, and palynological studies in a major clade of Annonaceae
Promotor: Prof.dr. E.F. Smets
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Phylogeny and species delimitation within the moss genus Dicranum Hedw.
Promotor: Prof.dr. E. Smets, Dr. M. Stech
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Jorinde NuytinckFaculty of Science
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Pieter ReitsmaFaculty of Medicine
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Functions of P38 and ERK kinases in zebrafish early development
Promotor: Prof.dr. H.P. Spaink Co-promotor: Dr. B.E. Snaar
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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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Francesco BudaFaculty of Science
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Transfer of graphene by molecular caging
Chemists developed a new graphene-transferring method which makes use of cyclohexane. This new method leaves less impurities on graphene, is easier to handle than current methods and is widely applicable in graphene research. The publication will be on the cover of the journal ACS Central Science late…
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Surface Temperature and the Dynamics of H2 on Cu(111)
Heterogeneous catalysis is one of the fundamental processes of modern life, being common in industrial refinery and hydrogen vehicles, all the way to the living cell. The dissociation of H2 on Cu(111) is an important benchmark system for studying heterogeneous catalysis, with a large and varied amount…
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Growth-induced self-organization in bacterial colonies
Mechanical forces are known to play an important role in bacterial colonies. In this dissertation, we study the self-organization at various stages of growing bacterial colonies, and focus on the mechanical effects of cell growth.
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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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Documentation and analysis of !Ora and !Ui languages
This project aims at describing the Khoisan languages !Ora (Korana/Griqua) and !Ui of South Africa.
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Animal Sciences
We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.
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The formation of complex organic molecules in dense clouds-Sweet results from laboratory
Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.
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Molecular Biology for Physics will NOW start on Monday 5 February!
Please note that the course Molecular Biology for Physics will start on Monday 5 February. Please check the schedules for the time and location!
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A computational study of structural and excitonic properties of chlorosomes
The long-held desire - to link structure directly to function and to explain molecular mechanisms based on basic chemical or physical principles - is finally coming closer, satisfying not only our scientific curiosity but also offering new solutions to the many challenges in the field of health, energy…
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State-resolved studies of CO2 gas-surface reactions
The adsorption of D2 and CO2 on catalyst surfaces is studied using a molecular beam in ultra-high vacuum.
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Trans-National and Local Settings: EU-Latin American Crime-fighting Efforts Since the 1980s
The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…
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Diagnostics for mechanical heating in star-forming galaxies
Promotor: F.P. Israel, Co-Promoter: R. Meijerink
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Louie KrolFaculty of Science
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Xinya PanFaculty of Science
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Exploring the chemical space of natural products from Streptomyces using multi-omics approaches
The increasing resistance of pathogenic bacteria to antibiotics necessitates the discovery of new medicines.
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Copper complexes for bioinspired electrocatalysis relevant to the reduction of oxygen
This thesis advance our understanding and the application of molecular catalysts relevant to the reduction of oxygen as well as reduction of nitrite.