In July 2004, a cooperation started between the Faculty of Archaeology and the Museo del Hombre Dominicano and the (University College London, England, Dr. José Oliver), to explore the possibilities to jointly undertake archaeological investigations in the Dominican Republic.

Promotor: Prof.dr. M.K. Richardson

Promotor: R.C.M. Pelger Co-Promotor: G. van der Pluijm

This thesis presents pioneering work on the panchromatic emission of some of the most luminous galaxies in the early Universe: star forming galaxies and active galactic nuclei.

Tomography is a powerful technique to non-destructively determine the interior structure of an object.Usually, a series of projection images (e.g.\ X-ray images) is acquired from a range of different positions.

Promotor: S.M. Verduyn Lunel, Co-promotor: S.C. Hille

Develop EPR instrumentation and methodology to investigate intrinsically disordered proteins (IDPs).

On 1 September 2022 Güldeniz Kibris successfully defended a doctoral thesis and graduated.

Promotor: M.T.M. Koper, Co-promotor: J.B.F. Juurlink

Nirajan Kafle defended his thesis on 15 October 2015

Promotor: J. van der Greef, T. Hankemeier; Co-promotor: H.A. van Wietmarschen

Promotor: G.P. van Wezel

On 9 April 2020, Mohamed Azizi defended his thesis 'Reflecties op Wereldburgerschap: In de spiegel van Afghanistan en Nederland'. The doctoral research was supervised by Prof. P.B. Cliteur en Prof. W. Veugelers (Universiteit voor Humanistiek).

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Vancomycin is a last-resort antibiotic for the treatment of many Gram-positive bacterial infections, while remaining inactive against Gram-negative strains.

Several single-stranded RNA viruses make use of Xrn1-resistant RNAs in their 3’ untranslated regions of their genome RNAs in order to increase their pathogenicity.

PNEC-pro is a user-friendly screening tool for professionals dealing with the assessment of surface water quality. The tool calculates local, watertype specific no-effect concentrations (PNEC) of copper, lead, nickel, and zinc based on biotic ligand models (BLMs).

Promotor: Prof.dr. A. P. IJzerman, Co-Promotor: Dr. L.H. Heitman

Promotores: Prof.dr. J.N. Kok, Prof.dr. M.R.V. Chaudron, Co-Promotor: P. van der Putten

The thesis presents a new perspective on Giovanni Girolamo Kapsperger (ca.1580-1651), who is nowadays only famous for his works for theorbo and lute, his remarkable output of vocal music of all genres being still mostly neglected from musicologists and performers.

In this PhD-thesis several new and existing data science application are described that are particularly focused on applications for tax administrations.

Promotor: C.W.J. Beenakker, Co-Promotor: A.R. Akhmerov

Promotor: A. Doelman, Co-promotor: V. Rottschäfer

Four different astronomical societies are active in the Old Observatory. We are very proud of the commitment these associations show to organize activities.

On 17 November 2021, Cyril-Igor Grigorieff defended the thesis 'The Regime for International Air Carrier Liability'. The doctoral research was supervised by Prof. P. Mendes de Leon and Prof. V. Correia (University Paris Saclay).

The unit residue group, to which the present thesis is devoted, is defined using the norm-residue symbol, which Hilbert introduced into algebraic number theory in 1897.

The invention of neural networks marks a critical milestone in the pursuit of true artificial intelligence. Despite their impressive performance on various tasks, these networks face limitations in learning efficiently as they are often trained from scratch.

Promotors: Prof.dr. G.R. de Snoo, Prof.dr. H. Leirs (Univ. Antwerpen), Co-promotor: H.H. de Iongh

Large carnivore population is globally declining as a result of the fragmentation of habitat, large prey depletion and retaliatory killing by pastoralists.

Phospholipase A/acyltransferase 3 (PLAAT3) and PLAAT4 are enzymes involved in the synthesis of bioactive lipids. Despite sequential and structural similarities, the two enzymes differ in activity and specificity.

Promotores: S.F. Portegies Zwart, E. M. Rossi

Promotor: G.J. Kramer Co-Promotor: E.G.M. Kleijn

Tin electrodeposition applications have rapidly evolved in the past 25 years.

The effects of anthropogenic noise on interactions between predators and their prey are still little understood.

An overview of Professional Associations and Journals

On the 12th of November, Xander Vertegaal successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Xander on this achievement!

The Horizon 2020 project CoSTREAM aims to improve our understanding of the co-occurrence of stroke and Alzheimer’s disease. It has long been known that both diseases share underlying causes, but their exact interaction or link is not fully understood. CoSTREAM combines multiple factors to identify and…

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

Jeffrey Kotyk defended his thesis on 7 September 2017

Drug development is a time- and resource-consuming process that starts with the discovery and validation of a (protein) target that contributes to pathogenesis or disease progression.

Synthesis and application of chemical biology tools to study immunomodulatory signaling lipids.

Transplantation of labial salivary glands to the eyelids for patients with dry eye appears to give excellent results clinically.

Promotor: V. Vitelli, Co-promotor: J. Paulose

On 18 May 2022 Lan-Yi Yang successfully defended a doctoral thesis and graduated.

Here you can find products and research tools developed by the Navigation Lab Leiden

In this thesis we explore machine and deep learning approaches that address keychallenges in high dimensional problem areas and also in improving accuracy in wellknown problems. In high dimensional contexts, we have focused on computational fluid dynamics (CFD) simulations.

This thesis is largely an experimental study on the formation of solid-state simple and complex organic molecules in the H2O-rich and CO-rich ice phases of dense interstellar clouds and dark cores.

The League of European Research Universities (LERU) is a group of 24 leading European research universities.

Mining time series is a machine learning subfield that focuses on a particular data structure, where variables are measured over (short or long) periods of time.

This work describes several studies into the electroreduction of carbon dioxide (CO2RR), both regarding mechanistical aspects and catalyst stability considerations. Mechanistic insights into carbon-carbon bond formation on a silver catalyst are described in Ch 2, were we find an acetaldehyde-like surface…