293 search results for “organic chemisch” in the Public website
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Inhibitors and probes targeting mannanases
This thesis describes the synthesis and biochemical evaluation of a variety of cyclophellitol based activity-based probes and inhibitors targeting various endo- and exo-acting retaining glycosidases. In the last two decades a variety of probes and inhibitors for (hemi)cellulose degrading enzymes have…
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Synthetic, Physical and Computational Chemistry of Propeller-shaped Polycyclic Aromatic Hydrocarbons
This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…
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The Use of Machine Learning in Public Organizations - an Interview with PhD Student Friso Selten
Friso Selten recently started a PhD position that is part of the SAILS program. This PhD project is a collaboration between FGGA, LIACS, and eLaw, and is supervised by Bram Klievink (FGGA), Joost Broekens (LIACS), and Francien Deschene (eLaw). In the project Friso will investigate the influence of artificial…
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‘A donor organ is a precious gift that we should treat with care’
Professor André Baranski is a champion for improving organ procurement. He believes there should be standardised training and certification for procurement surgeons. This is what he said in his inaugural lecture on 16 April.
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Computational and experimental studies of reactive intermediates in glycosylation reactions
Carbohydrates, or sugars, are the most diverse and most abundant biomolecules known. However, the isolation of carbohydrate samples in sufficient amounts and purity is often impractical or even impossible, so the chemical synthesis of glycosides becomes relevant. The glycosylation reaction, in which…
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Identification and characterization of developmental genes in streptomyces
Promotor: Prof.dr. G.P. van Wezel
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International Labour Organization: tumult on the global labour market
Since 1919 the International Labour Organization (ILO) has been promoting the rights of workers worldwide. On 7 February, Leiden University hosted the symposium celebrating the 100-year anniversary of the foundation of the ILO. Leiden emeritus professor of International Labour Law Paul van der Heijden…
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Leiden Spinoza and Stevin Prize laureates
Of the 111 Spinoza Prizes that have been awarded since 1995, 28 have gone to researchers from Leiden University.
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Sebastian Pompluns.j.pomplun@lacdr.leidenuniv.nl | 071 5274651
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Fernando BordinFaculteit der Rechtsgeleerdheid
f.bordin@law.leidenuniv.nl | 071 5272727
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'Historians Without Borders. Writing Histories of International Organizations'
This workshop intends to bring together early-career researchers from different fields working on international organizations, to discuss methodological challenges together with peers and established scholars. A combination of a master class, keynote lectures, and roundtable discussions aims at providing…
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The Europa Institute organizes online case law dinner on the German PSPP-judgment
Earlier this month, the Europa Institute organized an internal discussion on the German PSPP-judgment. For the first time, the German Constitutional Court declared acts of EU institutions as manifestly excessive and thus as ultra vires acts under German constitutional law. During an online debate, various…
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Bioengineering and biophysics of viral hemorrhagic fever
Viral hemorrhagic fever (VHF) is a group of acute diseases caused by highly infectious viruses including Ebola, Lassa, Dengue viruses. Its high mortality rate poses high risk to public health, however, studies on VHF have been hampered due to the non-availability of proper models and incomplete knowledge…
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Luminescence and applications of lanthanoid coordination polymers
Promotor: E. Bouwman, Co-Promotor: S. Bonnet
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Shining Light on Interstellar Matter
Promotor: H.V.J. Linnartz
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Russian cellist and ACPA researcher Maya Fridman organizes benefit concerts for Ukraine
Russian Cellist and ACPA researcher Maya Fridman is organizing many benefit events together with Russian and Ukrainian musicians to raise funds for Giro 555 for Ukraine.
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Variation in fatty acid chain length distribution affects permeability barrier function of stratum corneum lipid model membranes
Source: International Journal of Cosmetic Science, Volume 37, Number 1, pp. 158-158 (2015) ISBN: 0142-5463
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Leiden chemists discover new ways in which single-celled organisms organise their DNA
It has only recently been discovered that single-celled organisms (bacteria and archaea) also have histones—proteins that structure DNA. Now, Leiden PhD candidate Samuel Schwab has found that the histones in these organisms are much more diverse than previously thought. Schwab and his colleagues describe…
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Synthetic Affinity-Based Probes for ADP-Ribose Interactome Studies
Adenosine diphosphate ribosylation (ADP-ribosylation) is a fascinating post-translational modification (PTM) that plays a role in a variety of cellular processes and is associated with several diseases, including cancer and viral infections.
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The construction of dynasties in Habsburg Spain and Safavid Iran
How did dynastic organization – that it, the employment of non-ruling family members and the development of dynastic traditions and concepts – influence state formation in both Catholic Europe and Muslim West-Asia?
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Organ failure caused by viruses, how does it work? Now there are methods to find out
Dying from viral infection due to organ failure and blood loss: we still know little about how it can happen. Among other things, Huaqi Tang developed an organ-on-a-chip to figure it out. 'These technologies can offer unprecedented opportunities to fight the viruses that threaten our society.' Tang…
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‘Dear Minister: We need to change the way we teach and organize it’
Edwin Bakker, invited speaker, at The EU conference on the future of higher education on March 9, 2016, advocated in his presentation ‘MOOCs as drivers of change: The teacher’s perspective’ for an open and positive attitude to digital learning environments and to leverage the potential of technolog…
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'Materiality, Religion and the Senses': L*CeSAR organizes its first workshop
On 11 December 2025, students and staff members from many fields of study had the opportunity to take part in a day-long workshop on the role of the senses in ancient religions.
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Pax initiative, organizes idealab and presents results to the International Court of Justice (ICJ)
On April 19, Pax Initiative, a youth led NGO, held its first ever event at the Museon in the Hague. The event, “International Court of Justice Idealab: The Future of the ICJ” was a productive and inspiring discussion among students and young professionals on how the Court can reach the 16th Sustainable…
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An ex vivo human skin model for studying skin barrier repair
In the studies described in this study, we introduce a novel ex vivo human skin barrier repair model. To develop this, we removed the upper layer of the skin, the stratum corneum (SC) by a reproducible cyanoacrylate stripping technique.
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Walk-in concert University Organ
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Walk-in concert University organ
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Walk-in concert University organ
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Walk-in concert University organ
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How can regional organizations help save the environment? Leiden and Singapore collaboration on Green Regionalism.
On 21 and 22 November, a conference on Green Regionalism was co-organized by CompaRe and the Centre for Commercial Law in Asia of the Singapore Management University (SMU) Yong Pung How School of Law.
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The CARICOM-MERCOSUR Chamber will attend the World Trade Organization Forum on Trade after the COVID-19 pandemic
The CARICOM-MERCOSUR Chamber has confirmed its participation at the ‘Trade Beyond COVID-19: Building Resilience’, a public seminar organized by the World Trade Organization.
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Two Vidi's at Sterrewacht
Jordy Bouwman and future Sterrewachter Reinout van Weeren have been awarded a Vidi subsidy to set up or expand their own line of research.
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Scientists find strong evidence that wasting syndrome is the same for all organisms
An interdisciplinary team of Leiden researchers has discovered that wasting syndrome, a severe byproduct of tuberculosis, is the same for all humans and animals studied. The discovery offers new opportunities to investigate the still insufficiently understood condition. The scientists also developed…
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Expert meeting ‘Equality, children’s rights and digital technologies’ organized by the Child Law Department
On Wednesday 12 December 2018, the department of Child Law, on the initiative of dr. Yannick van den Brink, dr. Stephanie Rap en prof. dr. Ton Liefaard), organized an expert meeting on ‘Equality, children’s rights and digital technologies’. The objective of the meeting was an in-depth exchange of ideas…
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Targeting Human Proteasomes: Substrates, Inhibitors and Prodrugs
Large parts of the research described in this Thesis aims at the development of oligopeptide-masked toxins and their in situ immunoproteasome-mediated activation.
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Tanja AhlinFaculty of Social and Behavioural Sciences
t.ahlin@fsw.leidenuniv.nl | 071 5272727
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Impact of insect herbivory and microbial inoculants on the rhizosphere microbiome and volatilome
This thesis aims to investigate the effect of tripartite interaction between microbial inoculants, the plant, and herbivore insects on the rhizosphere microbiome and volatilome. We investigated the rhizosphere microbiome and volatilome of tomato plants exposed to insect herbivory and/or inoculated with…
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The Role and Effectiveness of the G20
The Role and Effectiveness of the G20. In this article, published in The Changing Global Order part of the United Nations University Series on Regionalism book series, author Jaroslaw Kantorowicz discusses the evolution of the G20.