Science, Institute of Biology Leiden (IBL)

The research described in this thesis has, using the zebrafish as a model system, shed new light on the intricate relationship between TB and DM2, in particular on the role of leptin, SHP-1 and glucocorticoids.

We aim to develop a microfluidic platform that can parallelize testing the performance and characteristics of pure, mixed and environmental bacteriophage samples.

Promotor: Prof.dr. G.P. van Wezel

Can zebrafish provide a fast, sensitive in vivo vertebrate model for identifying novel mechanisms of Ewing sarcoma progression and for development of new anticancer compounds in a time- and cost-effective manner?

The Organ Art of the first female German concert organist and Bremen Cathedral organist and

This thesis describes the synthesis and biological evaluation of TLR2/6, TLR4, TLR7/8 and TLR9 ligands, of which the activity can be conditionally controlled.

Markus Davidsen defended his thesis on 16 October 2014

This research cluster explores processes of cultural creation, reception and transformation within a wide range of societal contexts from the early Middle Ages until c. 1800.

From 25-27 June 2017 the 3rd Conference of the Labour Law Research Network took place in Toronto, Canada. Beryl ter Haar participated in two panels. The first panel dealt with strike law from a comparative perspective between South Africa, Russia, The Netherlands, and Europe. The contribution of Beryl…

Under a sunny sky 44 teams completed the Leiden Science Run this weekend. They raised as much as 3450 euros for refugee-students’ association UAF.

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…

A portrait of Tim de Zeeuw was unveiled and added to the gallery of former ESO Directors General at ESO HQ, on Monday 21 January. The portrait was unveiled at an event in the Council Room after brief speeches by the ESO Council President, Willy Benz, Xavier Barcons, and Tim de Zeeuw, on the many developments…

The US President called upon his European allies to take back IS fighters from their countries. It concerns 800 fighters who were arrested by US troops during the war with IS. Forty of the 800 fighters are Dutch and want to return to the Netherlands.

In a podcast of the Netherlands Internet Governance Forum (NL GF) and the Safer Internet Centre Nederland, Simone van der Hof, Professor of Law and Digital Technologies at Leiden University and Thijs Hannema, a lawyer at Kennedy van der Laan, discuss online privacy of children.

Promotores: J. Kok, M. Chaudron (Chalmers University)

The making of sacrifices seems part and parcel of any elite sportsperson’s life. Remarkably, the insights that we find in the current literature in social sport studies are not able to make sense of the references to sacrifice in the data that emerged in the context of this study on the social significance…

n this PhD thesis, the recombination of different atomic lattices in stacked 2D materials such as twisted bilayer graphene is studied. Using the different possibilities of Low-Energy Electron Microscopy (LEEM), the domain forming between the two atomic layers with small differences is studied.

Promotor: Prof.dr. A.G.G.M. Tielens, Co-Promotor: J.B.R. Oonk

The aim of this study is to further develop the Open Science Monitor, which started as a pilot study.

Promotor: Prof.dr. E.F. Smets

What makes a good historian? When historians raise this question, as they have done for centuries, they often do so to highlight that certain personal attitudes or dispositions are indispensable or studying the past. Yet their vieuws on what virtues, skills or competencies historians need most differ…

Can we predict fluctuations in suicidal ideation in a person’s daily life, from hour to hour?

The ARTIVES project studies imaginaries of diversity portrayed by artists in Lisbon and Rotterdam in their films, performances and (oral) literature with the aim to explore their transgressive potential of opening up possibilities of thinking differently about migration-related diversity. Their stories…

The project seeks to explore the interplay of valuation and inequalities in science, using the interdisciplinary and planet-critical field of forest research as empirical case. It examines which/whose knowledge is recognised on what grounds, and how social dimensions like gender and geographical location…

Promotor: Prof.dr. R.M.H. Merks

This thesis describes a study from both a theoreticaL and an experimental point of view.

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

In this article, Lianne Visser contributed to the understanding of why collaborative governance is a challenging response to wicked problems.

As part of Nexus 1492 Subproject 4: A Future for Diverse Caribbean Heritages, which seeks to shed light on how local communities interpret and engage with heritage in the present day, this doctoral study aims to gain insight into how indigenous heritage is represented in the school curriculum for social…

In this thesis, I study 1) metabolic alterations in tuberculosis related to wasting syndrome in human patients as well as in rodent and fish animal models. 2) effects of the mutation of the leptin gene on cachexia and diabetes in rodent and zebrafish animal models.

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

On 19 September 2019, Lynette Janssen defended her thesis 'EU Bank Resolution Framework: A comparative study on the relation with national private law'. The doctoral research was supervised by Prof.mr. W.A.K. Rank and prof. M. Haentjens.

Early time-resolved experiments by Frauenfelder on the ensemble of the kinetic rebinding of CO to myoglobin molecules resulted in a stretched exponential relaxa-tion due to a very large spread of the reaction rates of individual molecules.

The stratum corneum is the outermost skin layer and consists of dead cells embedded in a lipid matrix.

A difficulty of studies on chemical kinetics are the reaction time scales and detection of their intermediates.

In the studies described in this study, we introduce a novel ex vivo human skin barrier repair model. To develop this, we removed the upper layer of the skin, the stratum corneum (SC) by a reproducible cyanoacrylate stripping technique.

The subjects of the texts vary from Demosthenes to the delivery of camels in early Islamic Egypt, and their provenances stretch from the Eastern to the Western Desert, and from the Egyptian Nile valley to Qasr Ibrim in northern Nubia.

Islam at 250: Studies in Memory of G.H.A. Juynboll is a collection of original articles on the state of Islamic sciences and Arabic culture in the early phases of their crystallization.

Which intervention technique is more effective in reducing public speaking anxiety in children aged 9 – 12 years, exposure or restructuring cognitions?

Solar energy harnessed by plants and algae has great potential to be converted into biofuels for future generations.

Promotor: M.A.G.J. Orrit

The main subject of this thesis is the design and synthesis of paramagnetic molecules for protein studies with NMR and EPR spectroscopy.

What does the daily life of those who travelled to Syria to join jihadist groups look like? Destination Syria, a new ISGA report, provides answers to this question

On 10 June 2021, Merinda Stewart defended her thesis 'Freedom of Overflight: A Study of Coastal State Jurisdiction in International Airspace'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon en Prof. J.J. Rijpma.

Migration is the talk of the town. On the whole, however, the current situation is seen as resulting from unique political upheavals. Such a-historical interpretations ignore the fact that migration is a fundamental phenomenon in human societies from the beginning and plays a crucial role in the cultural,…

This paper describes two synthetic lipid models designed to replace human stratum corneum (SC) in studies of the impact of volatile organic chemicals on the molecular organization of the skin barrier lipids.

Promotor: A. Kros

What is the role of emotion regulation in coping with interpersonal feedback?