On 18 November 2020, Mojan Samadi defended her thesis 'Normering en toezicht in de opsporing'. The doctoral research was supervised by Prof. J.H. Crijns.

CWTS staff members regularly supervise PhD theses and act as external Ma-thesis advisors. We offer a range of topics for students from several disciplines interested in science studies, research evaluation, bibliometrics, altmetrics, higher education studies, innovation studies, organizational sociology,…

Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.

The thesis addresses the long-term dynamical evolution of hierarchical multiple systems.

This book explores the relationship between the production of new urban spaces and illiberal community-making in contemporary India. It is based on an ethnographic study in Noida, a city at the eastern fringe of the state of Uttar Pradesh, bordering national capital Delhi.

The present investigation aims at exploring whether the instruction provided at secondary schools in the capital meets the requirements of Communicative Language Teaching and whether the aims of improving learners’ communicative proficiency are met.

Leiden University Centre for the Arts in Society (LUCAS) is dedicated to ground-breaking and interdisciplinary research dealing with the relations between culture and society.

Ceramides (CERs), cholesterol, and free fatty acids (FFAs) are the main lipid classes in human stratum corneum (SC, outermost skin layer), but no studies report on the detailed analysis of these classes in a single platform.

Huda Abi-Fares defended her thesis on 10 January 2017.

Anthropogenic noise has been shown to affect marine animals in various ways, this may have fitness consequences at individual and population level. This thesis aims to increase insight into the quantification of sound-induced behavioural responses that are relevant to fitness, and into factors that…

What are the circadian disturbances underlying depression vulnerability? How are they related to mood, cognition and sleep ?

Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield

The idea of citizens and public professionals collaborating to provide public services has widely spread in several countries around the globe. Co-production is often presented as the go-to solution for challenges like a legitimacy crisis of both the government and the market, and financial concerns.…

This PhD-thesis presents a study on micron-sized particles, so-called colloids. By controlling the chemical and physical properties of these particles, such as the interparticle interaction and the particles’ shape, colloids can act as building blocks that self-assembly into larger structures.

Andrea Bartolucci is Assistant Professor at Institute of Security and Global Affairs. In this study, the scholars adopted a multidisciplinary approach to investigate wildfire risk in Van Chan district in northern Vietnam, a region where official data are sometimes difficult to collect or inconsisten…

Nuclear Magnetic Resonance (NMR) Spectroscopy is a non-destructive analytical technique that is used to study the nature and characteristics of molecules with an atomic level precision. It has a wide range of applications especially in synthetic chemistry, biological and biochemical research groups…

This study looks at the question of how and at what level students in primary teacher education can integrate theory and practice, and how the organisation of their learning environment, focusing especially on mathematics and pedagogy, can contribute to that.

This dissertation presents an in-depth study of the clause-typing system in Ecuadorian Siona.

Promotor: Prof.dr. L.J. Slikkerveer

How did common people write in the late eighteenth century? Little is yet known on this topic, since our knowledge is mainly based on printed texts written by a small part of the (male) elite population. This dissertation – written from a sociolinguistic point of view – gives us new insights into late-…

Source: Purinergic Signal., Volume 10, Issue 3, pp. 441-53 (2014)

The Human Origins group at Leiden University studies the archaeology of hunter-gatherers, from the earliest stone tools in East Africa, more than three million years old, to the origin of sedentary societies towards the end of the last ice age.

LUCITH runs a number of initiatives and programmes. Below you will find a list of initiatives and activities by the Centre for Islamic Thought and History.

OB associations are loose groups of young, massive stars. They constitute the last stage of the massive starformation process, and the context in which new stars are formed.

This study looks at population response to government containment strategies during initial stages of the COVID-19 pandemic in four high-trust Northern European countries–Denmark, Germany, the Netherlands, and Sweden–with special emphasis on expressions of governmental trust.

Promotor: Prof.dr. P.G.L Klinkhamer

On 21 September 2022 H. Hu successfully defended a doctoral thesis and graduated.

TRANSVAC is a collaborative infrastructure project funded by the European Commission (EC), initially under the 7th Framework Programme (FP7) and currently under Horizon 2020. The project is a joint effort of leading European groups working in the field of vaccine development, and is coordinated by…

Caspar Reuvens, the world’s first Professor of Archaeology, was a prominent classical scholar and from his appointment in 1818 onwards Classical & Mediterranean Archaeology has been an important field of research in Leiden.

Promotor: Prof.dr. J. den Hertog

EUMOTIONS explores the role of emotions expressed by political elites (at EU- and member state-level) in framing the EU’s policy options during international crises.

Behavioral and neural mechanisms underlying self-concept development in relation to educational decision-making in adolescence

This is a study of Plateau Shimakonde, a sub-dialect of the Makonde language which is spoken on the Makonde Plateau in northern Mozambique.

The central aim is examining gender differences in recorded crime, particularly in relation to interpersonal violence, in early modern Bologna.

Neurodegenerative diseases, including Parkinson’s disease (PD), are increasing in prevalence due to the aging population. Despite extensive study, these diseases are still not fully understood and the lack of personalised treatment options that can target the cause of the diseases, rather than the symptoms,…

This research combines archaeological, archaeometric and ethnohistorical research to study the organisation of settlement space and residence rules among the Taino Indians during the Late Ceramic Age (AD 1000-1492).

On the 16th of February 2022 Mr. Yunus Sulistyono successfully defended a doctoral thesis and graduated.

Choong-Yeol Kim defended his thesis on 14 November 2019

On 1 April 2020, Marc Broekema defended his thesis 'Cognitive Bias in the Judgment of Business Valuations and Valuators'. The doctoral research was supervised by Prof. J.I. van der Rest.

The Leiden Papyrological Institute offers several courses in papyrology, from beginners to advanced level, BA as well as MA. The courses are taught by Dr. Koen Donker van Heel (Demotic and Abnormal Hieratic papyrology) and Dr. Joanne Stolk (Greek and Coptic papyrology).

Dementia is a progressive disease, diagnosed at a relatively late stage when intervention may not be effective. Aim of the research is to study scans of brain networks to help discover the early network changes related to dementia. Early diagnosis may benefit effectiveness of future treatment.

What are the biological effects of Chinese herbal medicine in regulation of cancer cell metastasis?

How public service motivation and professionalism affect decision-making in dilemma situations. Individuals who work in the public sector see themselves confronted with conflicting values, contradictory demands, and the need to serve an at times difficult to define ‘public interest’.

As a practice in which human beings were held captive for an indefinite period of time, coerced into extremely dependent and exploitative power relationships, denied rights (including rights over their labor, lives, and bodies), often vulnerable to forced relocation by various means, and forced to labor…

Nature, nurture and neural mechanisms of social emotion regulation in childhood

This article studies the influence of framing on preferences for cooperation with the EU.

What is the impact of Indonesia’s democratization process on everyday state-citizen relations?

This research studies the authenticity of the texts and tries to find an accurate dating to them using other parallel texts (Sahidic and Arabic), and aims to find out how the people of this age viewed their hero, the founder of orthodoxy, Athanasius.

In this thesis integral points on affine del Pezzo surfaces are studied.