What is the role of stress and stress-related hormones in emotion regulation?

Promotor: P.M. Brakefield

The soil ecosystem consists of the largest reservoir of biodiversity on Earth.

Combined hormonal contraceptives (CHC) are associated with an increased risk of venous thromboembolism (VTE). In 2013, a review was published by the European Medicines Agency (EMA). In this review, the authors concluded that the risk of VTE varies by the type of progesterone in the CHC. Subsequently,…

... which build on self-regulation and stress-regulation theories and considers the modification of cognitions as a mediator of therapeutic change.

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.

How does the development of digital technologies impact society, and law/regulation within that society?

Growth hormone profiles are pulsatile and highly variable between individuals, limiting the implementation of mathemathical models to quantify an individual's secretion.

The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).

Salicylic acid (SA) is a plant hormone, which is involved in the defense responses to pathogens and to abiotic stress, and in the regulation of plant growth and development.

Vicencio Oostra, who defended his PhD-thesis at the IBL successfully in June 2013, published new insights into the hormonal regulation of butterfly responses to fluctuating environments.

The Faculty Board issued these Regulations of the Institute of Philosophy on 9 January 2018.

The human body consists of hundreds, perhaps thousands of different types of cells, each with different morphologies and functions, despite having the same genome.

More information on the PhD Regulations, Guidelines and Golden Rules.

The PhD regulations set out who is eligible to be a PhD candidate, what the tasks of the supervisor and co-supervisor are and which criteria the dissertation has to meet. The PhD guidelines lay down the minimal requirements for the supervision, training and available facilities for PhD candidates.

Plants, are sessile organisms, have developed strategies to adapt to changes in their environment, in part by altering their growth and development.

The role of language in self-regulation and social behavior in children with an extra X chromosome

The Leiden Risk & Regulation Lab serves as hub for excellent research in regulation and risk governance and acts a platform for engagement with the practice and education of regulation and risk governance. Specializing in risk governance, responsive and effective regulation, reputation and accounta…

Children with autism spectrum disorder experience serious challenges in social functioning, which threatens their development in many areas of functioning.

Understanding individual differences in self-regulation in boys with ODD/CD on the level of brain, cognition and behavior

We are all aware of the importance of a healthy lifestyle. However, at the same time we also experience many difficulties when we are trying to change our behavior to become more healthy. For example, more often than not our good intentions to exercise more or to eat fewer unhealthy snacks fail miserably…

Procedures en reglementen met betrekking tot de cursussen en diensten van het Academisch Talencentrum. Regulations and procedures regarding courses and services of the Academic Language Centre

How can innovation help or hinder public procurement processes?

The topic of this PhD thesis is teachers' perspectives on self-regulated learning.

CERQ is a questionnaire measuring cognitive coping strategies developed by Dr. Nadia Garnefski and Dr. Vivian Kraaij.

This thesis describes our search to identify and understand possible regulatory mechanisms of integrin α6β4 in cell-matrix adhesion and intracelular signaling.

Plants, algae and cyanobacteria have the amazing capacity to perform delicate photophysical and photochemical processes of light capture, excitation transfer, charge separation and catalysis in fluctuating living environments. As a consequence, photosynthetic proteins and membranes form dynamic architectures.…

The project’s overall goal is to improve Indonesia’s environmental legal framework and its implementation by strengthening the regulatory capacity of the government, and by enhancing the capacity of CSOs and scholars to hold the government accountable for its regulatory performance.

Regulating Relations: Controlling Sex and Marriage

On 28 June 2018, Qiuyin Hu defended his doctoral thesis 'Regulating Working Conditions in Times of Globalization'. The doctoral research was supervised by Prof.dr. G.J.J. Heerma van Voss and Prof. dr. B. Barentsen.

Promotors: Prof.dr. P.J. Punt, Prof.dr. C.A.M.J.J. van den Hondel

On 24 May 2017, the Hazelhoff Centre for Financial Law welcomed Shen Wei, Dean and Professor of law at Shandong University School of Law in China, for the 14th Hazelhoff Guest Lecture.

Cardiovascular syndromes are the major cause of death in Western societies.

How should jurisdictions, both on the national and on the supra-national level, handle the interaction between public and private law where it regards the regulation of financial markets?

Metabolic diseases are a burden on the European population and health care system. It is increasingly recognised that individual differences with respect to history, lifestyle, and genetic make-up affect disease progression and treatment response. A Systems Medicine approach, based on computational…

How does preschoolers’ play style relate to their aggressive impulses?

Promotor: Prof.dr. J. Memelink

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

Our object is to identify and characterize transcription factors involved in lignocellulosic biomass degradation in the filamentous fungus Aspergillus niger.

An important hormone excreting gland in the human body is the pituitary

How is vegetative development regulated in plants and how does this affect a plant’s life history strategy?

Bordering Up: Regulating Mobility Through Passes, Walls and Guards

Science, Institute of Biology Leiden (IBL)

A very large part of intravenously administered nanoparticles are cleared through the liver. Within the liver, most nanoparticles are thought to be sequestered by macrophages (Kupffer cells). To achieve effective cell-specific targeting of drugs and non-viral gene delivery vectors, improved mechanistic…

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

To study relationships between emotion regulation after negative and traumatic life events and psychopathology. Within this context, another goal is to develop and validate emotion regulation questionnaires.

Promotor: J.M. Memelink

This book concentrates on the regulation of political parties in the EU post-communist democracies, and on Bulgaria, Croatia, the Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland, Slovakia, Slovenia and Romania, in particular.

Why do children with an Autism Spectrum Disorder (ASD) have difficulties with acquiring emotion regulation skills; and how is this related to their social impairments and comorbid psychopathology?