Promotor: Prof.dr. R. Verpoorte, Co-promotores: Dr. Y.H.Choi, N.R. Mustafa

Hydrodesulfurization (HDS) is an ubiquitous part of oil refining that ensures that fuels are cleaned of impurities and environment release of pollutants such as SOx and NOx gasses are minimized.

This article aims to provide a coherent foundation for empirical studies of interpersonal discussion on risk.

The mycorrhizal symbiosis is among the most widespread species interactions on Earth⁠. This thesis focuses on orchid mycorrhiza, a unique mycorrhizal type that has caught scientists’ attention for centuries⁠.

On 9 November, Roosmarijn van Es defended the thesis 'The mind in the courtroom: on forensic mental health reports in judicial decision-making about guilt and sentencing in the Netherlands. The doctoral research was supervised by Jan de Keijser, Maarten Kunst and Janne van Doorn.

In this study, Tessa Dool and Thijs Bosker estimate the microplastic uptake of two odontocetes in the Mediterranean Sea and the Norteast Atlantic.

Marine sponges are important members of reef ecosystems, as they play ecological roles that are essential for the health of the reef.

Part of ‘Moralising Misfortune: A comparative anthropology of commercial insurance’, an ERC Consolidator project of Erik Bähre.

The authors of the article expect automation to improve accuracy in less complex programmes but worsens with increased complexity

In this article, Bart Schuurman and Sarah Louise Carthy explore the distinctions between radicalised individuals and the general population

Fungal food spoilage often starts with a contamination with spores. Experimental data strongly indicate the existence of subpopulations of spores with different levels of resistance to preservation methods.

This thesis is about the study of hydrocarbons via infrared spectroscopy.

On the 12th of May, Rita Barrera Virhuez-Eloranta successfully defended a doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Rita Barrera Virhuez-Eloranta on this achievement.

This thesis focuses on the question: What is the content of mentor teachers’ practical knowledge of adaptive response to their mentee teachers’ learning?

Louis Verreth and Jeroen De Keyser recently published a critical edition of Francesco Filelfo’s Latin translation of the Rhetorica ad Alexandrum (Edizioni dell'Orso).

Recent studies of Neandertal body mass and skin surface indicate raised energetic requirements in this lineage compared to anatomically modern humans.

Mr. Ade Jaya Suryani defended his thesis on 28 January 2021

One of the effects of climate change is the phenomenon of desertification, a process that occurs in semi-arid and arid areas and causes land degradation as well as vegetation loss. Due to the lack of resources, vegetation self-organizes to sustain itself by forming large-scale spatial patterns.

Promotor: H.V.J. Linnartz

Promotor: Prof.dr. J.M. van Ruitenbeek, Prof.dr. R.M. Tromp

A complex community of microbes develops in the infant gut shortly after birth. We call this community the infant gut microbiota. The microbiota influences the health of the infant, which makes the composition and function of the infant gut microbiota an important topic to study.

This thesis describes the structural and biochemical characterization of the β-lactamase BlaC from Mycobacterium tuberculosis (Mtb), and the Alr and YlmE proteins from Streptomyces coelicolor A3(2).Mtb is the main cause of tuberculosis.

How and under what conditions Dutch primary school principals' managerial networking activities affect the performance of their school

Legitimacy is generally a term that is associated with the state. The term surfaces when there are problems with state legitimacy—when it is lacking or absent. This present volume attempts to think through the relevance of the concept of legitimacy for other political actors than the state.

Promotor: S.M. Verduyn Lunel, Co-Promotor: O.W. van Gaans

In a new study, we found that when we are exposed to potential harm to the other person, it improves our automatic attentional processes to avoid harm to that person.

On 10 October 2019, Janneke Vink defended her thesis 'The Open Society and Its Animals'. The doctoral research was supervised by Prof. P.B. Cliteur.

This inspiring collection adds stories to the fact that 68% of PhDs in the Netherlands continue their career outside academia.

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,…

On 1 February 2018 Charlotte Vrendenbarg defended her PhD dissertation

Santideva's 8th century Mahayana Buddhist classic, the Guide to the Practices of Awakening (Bodhicaryavatara), has been a source of philosophical inspiration in the Indian and Tibetan traditions for over a thousand years.

The current study focuses on Walpole’s social network and the language as contained in the letters of the network members.

Trigonostemon Blume is a plant genus in the family Euphorbiaceae comprising 59 species.

Trajectories of social life in the yucayeque (community) of El Cabo, Higüey, Dominican Republic, AD 800 to 1504

Several alumni, young alumni and students have been matched via the Leiden University Mentor Network.

How and to what extent does AI affect citizen representation in public service delivery and state-citizen interactions?

Noah Millman defended his thesis on 26 May 2015

The two-year Data Science: Computer Science programme consists of 120 European Credit Transfer System (EC) points and includes courses and electives as well as a Master's Thesis Research Project.

Nietzsche's famous notion 'amor fati' is often associated with the Stoic maxim to 'live in accordance with nature'; we have to fully accept our fates in order to attain happiness. But is happiness really what Nietzsche's 'amor fati' is about? And how to account for all the fiercely critical remarks…

This thesis examined two previously neglected topics, Baroque Italian recorders and the Neapolitan Baroque repertoire for the recorder, and then combined both aspects.

The Centre for Indigenous America Studies (CIAS) at Leiden University is designed to coordinate and promote the teaching and research of Indigenous languages, literatures, cultures and cultural heritage. Our aim is to contribute to an increased acknowledgement, recognition and understanding of Indigenous…

This study presents a full descriptive account of the grammar of Mualang, covering the major features of phonology and morphosyntax as well as issues related to pragmatics.

Promotor: Koen Kuijken Co-promotor: Henk Hoekstra

National parochialism is the tendency to cooperate more with ingroup than outgroup members. Angelo Romano, Matthias Sutter, James Liu, Toshio Yamagishi & Daniel Balliet studied national parochialism across different nations and conclude in their publication in Nature Communications that it is a ubiquitous…

Promotor: P. Stevenhagen, Co-promotores: B. de Smit, F. Andreatta

To address the fundamental questions of how life on Earth emerged and how common life may be in the Universe, it is crucial to know the chemical composition of the planet-forming material.

Natural resources often stretch across borders that separate modern nation states. This can create conflict and limit opportunities for regulated consumption of their goods and services, but also provide opportunities for joint multinational efforts that exceed single country capabilities.

Bandura Witharana defended his thesis on 27 September 2018

Promotor: A. Achúcarro, Co-promotor: A. Boyarsky

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