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The Leiden University doctoral / PhD programme takes around four years of study and consists of independent and original research under the supervision of a professor.

Did early farmers deliberately use animal manure on their fields?

The results of the investigations by citizens are used in an innovative research project that investigates the potential of machine learning and automated detection in archaeology.

The 2011 disasters precipitated widespread concern among heritage scholars about the fate of Tohoku’s cultural properties, tangible and intangible. Damage to not only buildings and landscapes but also ‘formless’ heritage, some worried, could weaken social infrastructure and thus slow or undermine re…

This doctoral thesis is an effort to understand how lipid phase-separation induced by diacylglycerol analogues in lipid-based nanoparticles affects their in vivo behavior, leading to specific nanoparticle-protein communications and selective cell targeting.

This publication by Cornelis van Tilburg, will be published at Sidestone Press on September 28, 2022. It discusses various aspects of city gates in the Western Roman Empire: Italy, Spain, Gaul, Germany and Britain.

The Dual PhD Centre facilitates dual PhD research at Leiden University. The dual PhD programme of the Dual PhD Centre offers professionals the opportunity to devote part of their working time to conducting PhD research. Be aware that this programma is being offered in Dutch only.

This 862-page monograph is a grammar of Thangmi, an endangered Tibeto-Burman language spoken in the districts of Dolakha and Sindhupalcok in central-eastern Nepal.

This project, commissioned by DG Research and Innovation, aims to provide information for policies that lead to the creation and improvement of the conditions which will allow researchers and European industries to safely master the properties of nanomaterials and to innovate with nanotechnology.

The correctness of computational systems is of great importance to our society, since it becomes ever more reliant on the benefits of computing.

Morphology is the grammar of words. Morphologists study how words are built and what principles govern their form and their function.

In this thesis, we developed new ways to use a technique called electroextraction (EE) to extract charged molecules from one liquid into another using an electric field.

Aetiologies seem to gratify the human desire to understand the origin of a phenomenon. However, as this book demonstrates, aetiologies do not exclusively explore origins.

This comparative study investigates court politics in four kingdoms that succeeded the south Indian Vijayanagara empire during the sixteenth to eighteenth centuries: Ikkeri, Tanjavur, Madurai, and Ramnad. Building on a unique combination of unexplored Indian texts and Dutch archival records, this research…

This dissertation aims to advance understanding of amoeboid single cell migration under the influence of changing physicochemical environmental properties. The particular focus is on the relatively unknown influence of differing physical properties in the extracellular environment, such as the migratory…

Linking botanical collections, peoples, and illustrations in seventeenth century Dutch Brazil

How to explain the apparent high success rates of the EU infringement procedures, which are the major tools for enforcing EU law, against the member states?

The work in this thesis demonstrates how to obtain an atomic-scale picture of a diverse set of complex surface structures observed using STM, under disparate conditions.

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On 25 October 2018, Tu Zhang defended her thesis 'Public Reason Secularism: A Defense of Liberal Democracy'. The doctoral research was supervised by prof. P. Cliteur.

Negative perceptions of ambiguous social cues, social performance and physical arousal in socially anxious youth

This thesis describes the implementation and on-sky demonstration of high-resolution integral-field spectroscopy for extreme adaptive optics systems that are used to find and characterize exoplanets.

This book offers a concise and accessible introduction to debates about expertise, policy-making and democracy. It uniquely combines an overview of recent research on the policy role of experts with discussions in political philosophy and the philosophy of expertise.

This book is an examination of why and how the elective principle, already established in Transylvanian and Polish political culture in the late medieval period, was transformed in the early elections of the 1570s.

This study examined the effects of a classroom-focused intervention on different domains of early literacy. The intervention consisted of shared e-book reading combined with a print referencing technique done via a SMART board. The specific goal of the study was to examine whether children could be…

Harm reduction in practice: a comparative analysis of the Dutch and Brazilian approach towards drug users.

Why do historians so often talk about objectivity, empathy, and fair-mindedness? What roles do such personal qualities play in historical studies? And why does it make sense to call them virtues rather than skills or habits?