Promotor: Ed F. Deprettere, Co-promotor: Todor P. Stefanov

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PhD defence

Analytical tools for environmental design and management in a systems perspective. The combined use of analytical tools.

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

In this thesis, we focus on novel proteins/mechanisms that regulate integrin-adhesion mediated mechano-transduction.

PhD defence

This interdisciplinary study focuses on (trans)national ethnic and popular networks, combining historical-ethnographic and computational methods to understand the ‘workings’ of networked conflict interfering in the increasingly violent conflict in the Sahel (Africa) and beyond. The project focuses on…

Mr. Sujadi defended his thesis on 29 June 2017

How do plants lure microscopically small 'support teams' into their roots for protection against diseases? And what functions are activated in the microbes and the plants?

The financial system needs complexity theory to predict economic crises like the 2008 meltdown. An international team of scientists, including Leiden physicist Diego Garlaschelli, state this in a paper published in Science on February 19th.

Building a Deep Cross-media Transfer Network to extract visual relations that relieve the problem of insufficient training data for visual tasks.

This project is funded by the Dutch Cancer Society. The project will be part of an ongoing research line aimed at identifying mechanisms of cancer therapy resistance and metastasis. In this project, it will be investigated how the Grainyhead family of transcription factors controls therapy response…

The central aims of this project are to establish the shapes of the various urban hierarchies existing in the provinces of the Roman Empire and (especially) to use the quantitative properties of these hierarchies to shed new light on levels of economic integration.

The mechanism of the electrochemical reduction of dioxygen by a mononuclear pyridylalkylamine copper complex was investigated (see picture). It was shown that in neutral aqueous solution dioxygen undergoes stepwise reduction, wherein hydrogen peroxide plays a key role. The rate constants determined…

Solar energy is used by photosynthetic organisms to drive energy required cellular processes. Is absorbed by two groups of pigments, located in the LHCs.

There is no heritage without emotional sharing and clashing. This article explores the involvement of divergent emotions in heritage making by discussing the debate series of Imagine IC and the Reinwardt Academy and zooming in on the commemoration of slavery and imagery of ‘Black Pete’ in the Netherlands.…

Renate Dekker defended her thesis on 7 November 2017.

How was anti-communism organized in the West? New volume edited by Giles Scott-Smith, Luc van Dongen and Stephanie Roulin on the aims, arguments and associations of a range of transnational anti-communist activists during the Cold War.

How can pupils and students learn to get a grip on complex 'swamp situations'? Inaugural lecture in abbreviated form held by prof.dr.ir. Fred Janssen on the acceptance of the post of professor of science education at Leiden University on 19 June 2017.

TRANSAUTOPHAGY is a European COST action to promote multidisciplinary research on autophagy and translation of knowledge to applications.

How can we culture an artificial vascular network to support tissue development ex vivo?

This thesis describes a study from both a theoreticaL and an experimental point of view.

Sasha Goldstein defended her thesis on 10 January 2019

Diacylglycerol lipases (DAGLα and DAGLβ) convert diacylglycerol to the endocannabinoid 2-arachidonoylglycerol. Our understanding of DAGL function has been hindered by a lack of chemical probes that can perturb these enzymes in vivo.

Science, Leiden Academic Centre for Drug Research (LACDR)

With the emergence of online social networks (OSNs), the way people create and share information has changed, which becomes faster and broader than traditional social media.

The principle aim of the project is to study the genesis and the quantitative properties of the Early Roman urban network of the Balkan and the Danube provinces.

On November 24, 2017, Esther Keymolen gave a presentation on Trust in the Networked Era, as part of the annual Philosophy of Technology Lab. This lab is organized by a.r.t.e.s. Graduate School for the Humanities Cologne and CFCU (Centro de Filosofia das Ciências da Universidade de Lisboa). The general…

Policy Note Insecurity in Burkina Faso – beyond conflict minerals: The complex links between artisanal gold mining and violence

The Gravitation programme NETWORKS has been awarded a COFUND grant of 3 million euros. Half of this comes from the European Commission's Marie Skłodowska-Curie Actions programme, with industry partners paying the other half. Of the fourteen new PhD candidates, two will join Frank den Hollander's research…

Jifeng Liu defended his thesis on 2 February 2017

The central issue of this research concerns how students can best be supported in their study choice, study career and future orientation with a view to flexible entry and transitions and perspective in education and work.

Social and Behavioural Sciences, Cultural Anthropology and Development Sociology

Description of The Regional Network on the Synergy between the Convention on Biological Diversity and the UN Convention to Combat Desertification.

The modern-day Caribbean is a stunningly diverse but also intricately interconnected geo-cultural region, resulting partly from the islands’ shared colonial histories and an increasingly globalizing economy.

Book by Soledad Valdivia Rivera

Since the emergence of humankind people have maintained social contacts and traveled widely, establishing interaction networks in which goods are traded and ideas are transmitted, increasingly on a global scale.

This book is the first comprehensive presentation of the archaeology of Syria from the end of the Paleolithic period to 300 BC.

The largest genus within the Phyllanthaceae family is a group called Phyllanthus L. Recent studies have shown, that Phyllanthus is paraphyletic with the genera Glochidion, Breynia and Synostemon nested within it.

For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disc surrounding a young star. The discovery reaffirms that the conditions that spawned the Earth and Sun are not unique in the Universe. The results are published…

Imagine getting a notification on your mobile phone with your personal code for impending mental health problems or even depression: yellow, orange, or red. Science fiction? Not for scientist Eiko Fried. 'There is a real chance we can prevent some mental health problems before they occur.' Want to participate…

The logic seems inescapable indeed. The bigger the population, the higher the probability it contains an Einstein. Hence, bigger populations are more likely to develop complex culture.

In this Ph.D. thesis, we characterized two novel upstream regulators of JUB1, HB40, and HB22, in Arabidopsis thaliana. In Chapter 2, we described functions of HB40 in modulating growth and development via the regulation of JUB1 and GA inactivation genes GA2OXs.

To address the relevance of Christianity to the ideological negotiations with the officially established authority, this research will be conducted by asking how the history enthusiasts negotiate the Christianity-related ideology through reconstructing the Christian past and reproducing religious histories…

The group structure of Jihadist networks changes rapidly, which makes it difficult to monitor them. This is the finding of research by criminologist Jasper de Bie. PhD defence 14 April.

The thesis wishes to examine the pathways of thought underlying the creative act of music making and the performance practice of complex music from the late twentieth and early twenty-first century.

In 2018 NETWORKS organised a very succesful masterclass on networks and their applications for secondary school students with the title 'NETWORKS goes to school'. This week, NETWORKS published the collection of contributions with an extensive introduction. The aim of both the masterclass and this…