We develop open micro cavities to trap light in small volumes and thereby increase the interaction with intra-cavity emitters. Important aspects in this development are the optical penetration in the mirrors, coupling between optical modes, and scattering and clipping losses.

Promotor: J.N. Kok, Co-promotor: H.J. Hoogeboom

The International Course on Water Use and Management in Cagayan Valley The Philippines (2011-2015)

Which brilliant scientist will be our Discoverer of the Year 2019? Will it be a physicist, biologist, drug discoverer or an astronomer? Or an environmental scientist, a mathematician, chemist or computer scientist? As of now, you can cast your vote.

Which brilliant scientist will be our Discoverer of the year 2018? Will it be a physicist, biologist, drug discoverer or an astronomer? Or an environmental scientist, a mathematician, chemist or computer scientist? As of now, you can cast your vote.

Promotor: Prof.dr. M. Schilthuizen

Some MPs are very active, while others are not. The number of proposals and questions that MPs in the Netherlands put forward is determined in part by the level of activity of their fellow committee members rather than by electoral incentive, which is the case in other countries.

Do large deletions represent a risk during CRISP/CAS9-mediated genome editing in plants?

Promotor: Prof.dr. J.N. Kok, Co-Promotor: W.A. Kosters

Promotor: J.N. Kok, P.E. Slagboom Co-promotor: J.F.J. Laros

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

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

Promotor: J.N. Kok, Co-promotor: M.S. Lew

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

Promotor: J.N. Kok, Co-promotor: F.J. Verbeek

Promotores: Prof.dr. J.N. Kok, Prof.dr. C.A. Mandemakers, Co-Promotor: G. Bloothooft

Promotor: J.N. Kok, Co-promotor: C.M. Soares, A.J. Knobbe

Promotor: J. N. Kok, Co-promotor: A. J. Knobbe

Promotor: Prof.dr. J.N. Kok, Co-promotor: Dr. A.J. Knobbe

Promotor: J.N. Kok, Co-Promotor: A.J. Knobbe

A new research line is the development of liquid biopsy fingerprints to predict early Alzheimer’s disease (AD) stage in human in readily accessible body fluids in human (in collaboration with: Dr. Geert-Jan Groeneveld, CHDR; Prof. Elga de Vries, Free University Medical Center; and others).

This research profile area brings together descriptive, historical and theoretical linguistics, as well as psycho- and neurolinguistics.

With a large majority of votes, drug researcher Alireza Mashaghi Tabari was chosen Discoverer of the Year 2017 of the Faculty of Science. This was announced by Rector Carel Stolker during the faculty’s New Year's reception on 9 January. Computer scientist Kristian Rietveld became Teacher of the Year…

Decentralized plug and play systems for energy production are the future picture of our society. Artificial photosynthetic systems are used for this purpose.

Promotores: J. Kok, M. Chaudron (Chalmers University)

Human activity at sea makes a terrible racket. To what extent does this disturb marine animals? PhD candidate Annebelle Kok studied the effect on harbour porpoises, long-finned pilot whales and their prey, and discovered the sheer complexity of the problem. PhD defence on 12 November.

How can we make the information in handwritten historical research reports accessible and searchable? Data scientists at Leiden University are working with other universities on a method that will improve access to cultural heritage.

The ambition of the Medical Systems Biophysics and Bioengineering group led by Alireza Mashaghi is to develop and use physics and engineering concepts and tools for pathophysiology, diagnostics and therapy.

On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…

Promoter: J.G.E.M.Fraaije, Co-promotor: A. Kros

What is the function of the insect serosa?

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

Willemijn Heeren has, together with dr. Lei He (Department of Linguistics, Tübingen & Center for Forensic Phonetics and Acoustics, Zürich), received a research grant from the International Association for Forensic Phonetics and Acoustics to start a pilot project on “Between-speaker variability in dynamic…

The Leiden Institute of Chemistry (LIC) is the basis for research and collaborations of the Leiden chemistry groups. Chemistry is the central science enabling a healthy future in a sustainable society. Chemistry researchers at Leiden University take a fundamental approach in finding tailored solutions…

Environmental scientist Alexander van Oudenhoven has been chosen as Discoverer of the year of the Faculty of Science. Vice Rector Magnificus Hester Bijl announced this during the faculty’s New Year’s Reception on 10 January. Biologist Changsheng Wu won the prize for best dissertation of 2016. Computer…

How can you use robots and automatic recognition of microscopic images to test the effect of drugs exceptionally quickly?

This dissertation examines what network in the human brain is involved in the perception of prosody and whether activity within this network is modulated by the personality trait alexithymia.

In order to better understand the course of Alzheimer’s disease, Frédérique Kok believes that a strategic and structured approach is needed: the Mastermind research approach. With her LUF grant, Kok wants to generate high-quality data to build a mathematical model that can recognize the onset of the…

The combination of data science and sports is a hot topic. In a talk during the opening of the Academic Year at the Faculty of Science, Professor Joost Kok explained what data analytics can teach us about sports.

The Faculty of Science grants two C.J. Kok awards each year: the C.J. Kok Public Award, also known as the award for the ‘Discoverer of the Year’, and the C.J. Kok Jury Award, the award for the best PhD thesis from the past year.

Alfons Chorus was the ‘founding father’ of Psychology in Leiden. His son Rogier Chorus recently obtained his PhD at Leiden University based on his biography of his father. He talked to his Leiden PhD supervisor Willem Heiser about his father’s innovations, his plagiarism and how he was misunderstood…

Leiden University investigates biodiversity not only in the Netherlands, but also abroad, with the goal of improving global nature conservation. We do so in collaboration with local universities. Education is also high on our agenda.

In the research theme ‘Animal Sciences and Health’, we work with various animal species to gain insights into fundamental biological processes in both animals and humans.

During the pre-PhD phase the Dual PhD Centre collaborates with the candidate to find a suitable doctoral supervisor (Dutch: promotor) and graduate school. The doctoral supervisor has a critical role in the dissertation research process. Under his/her supervision, the candidate develops a dissertation…

On November 16 a festschrift in honor of Dr Olivier Nieuwenhuyse was presented in a moving event at the Faculty of Archaeology. Professor Bleda Düring, a personal friend of Nieuwenhuyse, was one of the initiators. ‘If he had been here, he would have loved this book.’

For fifteen years, Recep Uysal carried out research on positive psychology in Turkey; it is even the subject of his PhD. That was until he had to flee Turkey and start again from scratch in the Netherlands. Re-entering the academic world was a challenge, but he rediscovered his love for the field in…

On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…