This handbook provides a resource for those already familiar with some kinds of micro-particles who wish to learn more about others, or for those just starting out in the study of microremains who wish to have a broad understanding about microscopic archaeology.

Increasing the efficiency of gene targeting (GT) as a genome editing tool in plants has been an important goal in plant biotechnology.

This doctoral thesis elaborates Langacker’s reference-point model by applying it to lexical semantics.

On April 26th, Kate Bellamy succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Kate on this great result.

On this page you will find all the house rules and conditions that apply to visiting the Old Observatory.

What better way to represent women in the present than to ask them? The Museums Matters Class decided to ask Leiden’s Leading Ladies to loan an object which they felt encompassed their time here, from those in their undergraduate to one of the 23 female professors, with many positions in between.

What legislative and regulatory questions arise when children, adolescents or elderly people use the Internet?

Escalating tensions in South China Sea have epitomized US–China relations for nearly a decade. Warning signs of a possible collision between a rising China and steadfast US, bring to light the need to think about ways that can halt and reverse the intensification of their confrontational moves.

Publications of the Leiden Papyrological Institute

Large carnivores and humans, along with their livestock, have co-existed for thousands of years. However, human population growth and an increase in economic activities are modifying the landscape for large carnivores and their prey.

Why do many medical institutions struggle to use AI in their clinical practice? What are the essential steps for and before an effective implementation of AI in radiology workflow? How can AI implementation trigger enduring improvements in the clinical process? The book shows how change management is…

If PhD candidates encounter problems, they should ask for help early on. If the problem is of an academic nature (in relation to research or teaching), their supervisors are the first port of call. If the issue falls outside the remit of the supervisors, there are several options.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

Promotor: Prof.dr. P.G.L. Klinkhamer, Co-Promotor: T.J. de Jong

The programme consists of 60 EC, to be completed in one year.

Until the 1990s, the only known planets were those in our Solar System. Three decades later, several thousand exoplanets have been discovered orbiting stars other than the Sun, and substantial efforts have been made to explore these strange new worlds through spectroscopic analyses of their atmosphe…

What consequences does Brexit have for the protection of personal data?

Galaxies in the local Universe fall into two main categories of spirals and ellipticals. In this Thesis, we explore the structural evolution of galaxies into this bimodal distribution.

The four possible segments A, T, C and G that link together to form DNA molecules, and with their ordering encode genetic information, are not only different in name, but also in their physical and chemical properties.

The research described in this thesis shows that hypercholesterolemia, a well-established risk factor for atherosclerosis, can impact skin lipid pool and barrier function already at young age. In the field of atherosclerosis, we showed that the small peptide Lyp-1 can be used as a targeting molecule…

Promotor: Prof.dr. T. Hankemeier, Prof.dr. J.C.T. Eijkel (Twente University)

At Leiden University we like to stay in touch with our alumni. We therefore invite you by post, email or phone to lectures, workshops and masterclasses for alumni and inform you about developments in your field and at the University. With your knowledge and experience, you also make a valuable contribution…

KIGS is a research project on communication patterns in the social sciences and humanities. Counting of publications and citations are common methods to measure international scientific impact. Based on citation analyses, various calculation methods and indicators have developed in recent years. However,…

In this article, Linde Desmaele examines the dilemmas created by US burden sharing policies from the perspective of Washington's European protégés.

Some species of proteins which can form liquid-like condensates, also exhibit growth into fibers (or fibrils). One particularly interesting set of such proteins are those that are associated with neurodegeneration in which the fiber growth may be related to the pathological fibrils observed in disea…

The focus of the described research in this thesis is on the oxidative stress response (Nrf2 pathway). The aim of the research presented in this thesis is to obtain more information concerning microRNAs which are involved in the Nrf2 pathway, to determine and evaluate the application of microRNAs for…

On 30 June 2016, Eesa Fredericks is expected to defend his Ph.D.-thesis ‘Contractual Capacity in Private International Law’ in Leiden. Supervisors are prof. Sierd J. Schaafsma (Leiden) and prof. Jan Neels (Johannesburg).

Promotores: C. J. ten Cate; M. A. Ainslie. Co-promotor: W. Slabbekoorn

The expansion of the fund industry has been one of the most notable trends in the financial markets of recent years.

The goal of this study is to systematically investigate how intonation (speech melody) is conveyed in whispered speech.

Promotores: J.N. Kok, H.J. Hoogeboom

Plants are colonized by an astounding number of microorganisms that can provide different life-support functions, including nutrient acquisition and protection against (a)biotic stresses like drought or pathogen attack.

Despite the history of studies on methanol formation from CO2, the dominant elementary reaction steps that constitute the chemical mechanism for this catalyzed process are not determined.

The self-assessment tool on inclusion and wellbeing is designed to help teachers and school leaders to evaluate and improve their school's inclusion policies and practices. It includes a series of targeted questions related to improving school success for all and fostering an inclusive and healthy e…

Annemarie van Stee defended her thesis on 21 June 2017.

Nucleoid associated proteins maintain the architecture of the bacterial chromosome and regulate gene expression, hinting that their role as transcription factors may involve local three-dimensional chromosome re-modelling.

Promotores: Prof.dr. H. van Veen & Prof.dr. W. de Boer (Wageningen University)

Carbonaceous asteroids preserve a record of early solar system processes, where minerals and organic molecules, like polycyclic aromatic hydrocarbons (PAHs), offer clues to planetary evolution and prebiotic chemistry.

On 14 January 2021, Joost Westerweel defended his thesis 'Lokale democratische innovatie'. The doctoral research was supervised by Prof. G. Boogaard and Prof. M.J. Cohen.

On 1 February 2018 Nathalie-Sharon Koster defended her doctoral thesis ‘Crime victims and the police’. The doctoral research was supervised by Professor J.P. van der Leun and M.J.J. Kunst.

On 14 November 2019, Luis Fiallos Pazmino defended his thesis 'Legal Perspectives on the Cross Border Operations of Unmanned Aircraft Systems'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon and Prof. E.C.P.D.C. De Brabandere.

This article investigates how parenthood serves as a critical turning point for young people in Latin America, influencing their criminal trajectories.

New and reemerging infectious diseases call for innovative and efficient control strategies of which fast vaccine design and development represent an important element.

Natascha van der Zwan, Assistant Professor at Leiden Univeristy, together with two other authors, wrote a book that explored some of the ways coronavirus is impacting the global capitalist system – and how this could change for better and for worse.

This dissertation takes an important step in understanding the phenomenon of non-take-up of social support and what it means for contemporary social policies.

We investigate the physics and design of mechanical metamaterial, intricately sculpted materials with properties set by their architecture.

Promotor: Prof.dr. E.F. van Dishoeck, Co-Promotor: M.R. Hogerheijde