What is the role of auxin in the initiation and process of somatic embryogenesis?

Voor zowel archeologen, paleontologen en geologen als vrijwilligers in de archeologie en paleontologie is het geen verrassing meer dat op de stranden van de Nederlandse kust fraaie vondsten gedaan kunnen worden. Vele artikelen, boeken, tentoonstellingen, congressen, lezingen, ‘zoekdagen’, krantenberichten,…

What are the most important perpetuating factors of chronic fatigue and chronic fatigue syndrome, and which interventions are effective in influencing these factors?

The objective is to develop in vitro antigen degradation assays in order to mimic the fate of the antigen in vivo.

In this project, the hypothesis that language contact crucially impacts the development of spatial grammar and phonology is investigated.

Marietje Beemsterboer defended her thesis on 12 June 2018 (in Dutch)

The programme focuses on the medieval dynamics of intellectual life in the Rhineland and the Low countries, nowadays divided over five countries (Switzerland, France, Germany, Belgium and the Netherlands) but one cultural region in the later Middle Ages.

Mattias Brand defended his thesis on 10 April 2019

Delineating psychophysiological endophenotypes of social anxiety disorder

PhD defence

The FOI project has a number of topics it aims to investigate. These are: State, Economy, Culture and Papyri. You will find links to bibliographies on this page.

Why do some civil wars experience quagmire, a situation in which belligerents are trapped in fighting? To explain this puzzle, Jonah Schulhofer-Wohl (Leiden University Institute of Political Science) analyses the overlapping strategic interactions between foreign powers and the warring parties. Studying…

This project explores how the populations of the historically contiguous towns of Nusaybin, Turkey and Qamishle, Syria articulate citizenship in the everyday.

This research focuses on figurative Byzantine mosaic-floors that have been excavated in the geographical area of the ancient provinces of Palestina and Arabia (current Israel, PA and Jordan) dating to the Late 5th, 6th and early 7th centuries C.E.

On the occasion of the appearance of the monograph "Varieties of the Self.Peter Abelard and the Mental Architecture of the Paraclete" written by Babette Hellemans and published at Brill in 2023, a workshop will be organized concerning rules of observance as ‘texts of life’ in ascetic communities. The…

News, events, announcements, social media and more about the building of the new Middle Eastern Library in Leiden

This project is aimed at 1) elucidating the role of attention in itch and pain, including orientation, and attentional disengagement (i.e., directing attention away) from itch and pain; and 2) modifiability of these attentional processes.

To reach a larger audience beyond the academy, a number of activities in the cultural realm have been programmed over the years.

The Case of the Painted Plaster

The STRINGS project is mapping development pathways for science, technology and innovation that best address the UN Sustainable Development Goals. A consortium of seven universities led by Tommaso Ciarli at SPRU at the University of Sussex and the UNDP (United Nations Development Programme) have worked…

The project concerns the nature, the usages and functions of pictographic systems in relation to writing in societies with (restricted) literacy.

Our team is involved in the translation and adaptation of several questionnaires, for research purposes. Information about each questionnaire is listed below.

Covid-19 is een disruptieve ontwikkeling die hier en nu veel vraagt van zorgprofessionals, bestuurders en managers. Hoewel de crisis nog volop bezig is, is nu al duidelijk dat het Coronavirus een blijvende impact zal hebben op zorginstellingen en fundamentele vragen oproept over hoe we onze zorg optimaal…

Using brain imaging to discover the area in the brain that recognizes emotion.

At Leiden University you can study Islam and Muslim societies within two Dutch-language BA and various MA programmes and specializations.

Jews and Christians in the Middle East

The CNaVT exam is the official, international exam of Dutch as a Foreign Language for all who learn Dutch all over the world. The Catholic University of Leuven organizes the exam. The Dutch Language Union has commissioned this collaboration.

In this project, the hypothesis that language contact crucially impacts the development of spatial grammar and phonology is investigated.

Essays dedicated to Frans Wiggermann

This thesis describes the evaluation of novel natural products with antibacterial activity enabled by total chemical synthesis.

Een medewerker van Frontoffice Studentenzaken legt uit waar je vooral rekening mee moet houden als je je wilt aanmelden bij de Universiteit Leiden.

Dit proefschrift beschrijft een collectie aan alternatieve strategieën voor het begrijpen, ontwerpen en toepassen van lipide nanosystemen, waarin de rol van de bio-nano interacties centraal staan. In het bijzonder wordt gekeken naar de interactie van RNA-lipide nanosystemen, bekend van de toepassing…

The drug BIA 10-2474 inhibits fatty acid amide hydrolase (FAAH), a lipase that degrades a specific endocannabinoid. On the basis of this activity, BIA 10-2474 was being developed as a potential treatment for anxiety and pain. In a phase 1 trial of the drug, one subject died, and four others suffered…

HZ Kenniscentrum Zeeuwse Samenleving doet op vraag van regionale overheden en maatschappelijke organisaties onderzoek naar actuele en maatschappelijke thema’s in de provincie Zeeland. De uitkomsten van onderzoeken en analyses worden gebruikt voor kennisopbouw en als basis voor beleidsopbouw en -ontwikkeling.…

We aim to develop a drug-delivery method based on the production of biomolecules directly at the target site.

Het is een wijdverbreid idee dat (post-)middeleeuwse steden een sterfteoverschot hadden en zij slechts in leven konden blijven door de toestroom van migranten; een fenomeen dat bekend staat als het ‘urban graveyard’-effect. Over details valt te twisten, maar duidelijk is dat de stad en de dood dichter…

Politically speaking, the Frisian coastal area constitutes a special case in late medieval Europe since it was not subject to an overlord as it withstood feudalization in the 13th century. Its many sub regions, which were dominated by elites of small noblemen and freeholders, long time succeeded in…

MINESCAPES invites PhD students from various disciplines to apply for participation in their 2024 summer school, taking place from May 31 to June 10, 2024. The Summer School will bring together students and scholars from the humanities, social sciences, and natural sciences to study mining landscapes…

Leiden scholars study clay tablets from ancient Mesopotamia. But what exactly does the cuneiform script say?

Knowledge and culture subproject 1:

An Investigation into the role of copper-alloy craft production in the early medieval economy of northwest Europe.

A linguistic reconstruction of the migration of the Tocharians from Europe to China

Leiden University recently named a new building for Egyptologist Herta Mohr. But who was she?

Medici kunnen veel repareren, maar ziekte voorkomen of uitstellen is beter. Daarvoor is vaak leefstijlverandering nodig en dat blijkt lastig. Gezondheidswetenschappers Sandra van Dijk (Universiteit Leiden) en Valentijn Visch (TU Delft) doen onderzoek naar de vraag hoe je mensen kunt helpen met gedragsverandering…

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