2,453 search results for “organisms chemistry” in the Public website
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Mesoporous silica nanoparticle-based protein delivery systems for biomedical applications
Promotor: A. Kros
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Proton transport through non-covalently functionalized graphene
Single-layer graphene (SLG) has attracted considerable interest as a proton exchange membrane for direct methanol fuel cells (DMFCs), owing to its atomic thickness, mechanical robustness, and unique proton permeability.
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FitDis!
This 1.0 version of FitDis! is an archive containing the tool, a quick manual and a test dataset. The FitDis_M.zip package contains the sourcecode Matlab M-files.
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Chat with a student
Do you have a question about studying at Leiden University or student life in Leiden? Do you want more information about the Chemistry programme? Chat with a current student for answers to your questions!
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Countering nerve pain caused by chemotherapy with new drug
Nerve pain is one of the most common side effects of chemotherapy. It is therefore one of the biggest reasons for cancer patients to stop treatment early. Darcy Reynolds worked on new drug candidates against this pain during her bachelor's thesis. She developed a new series of molecules that increase…
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Electroreduction of nitrate and carbon dioxide on copper electrodes: a mechanistic study
In this thesis we have discussed several parameters that affect the electrochemical conversion of enviromentaly harmful molecules such as nitrates and carbon dioxide to more valuable and less deleterious compounds, in order to cast light onto the mechanism of the reaction to achieve an efficient and…
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Coiled-coil biomaterials for biological applications
This dissertation contains four works during my PhD. Different biomaterials have been designed based on coiled-coil peptides. These biomaterials have a range of applications, inclusing drug delivery, cell sorting to cell-cell fusion.
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Squaramide-based supramolecular materials for 3D cell culture applications
A new type of tripodal squaramide-based supramolecular hydrogels is developed and studied.
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Phase separation in lipid-based nanoparticles: exploring the nano-bio interface
This doctoral thesis is an effort to understand how lipid phase-separation induced by diacylglycerol analogues in lipid-based nanoparticles affects their in vivo behavior, leading to specific nanoparticle-protein communications and selective cell targeting.
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Pyrrole-based photoswitchable anion receptors
The main goal of this thesis is to achieve advanced control of binding properties in bis-pyrrolic and macrocyclic pyrrolic receptors by light.
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Catalysis of the electrochemical water oxidation to oxygen
Promotor: M.T.M. Koper, Co-Promotor: F. Calle-Vallejo
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Synthetic modification of fusogenic coiled-coil peptides
A structural investigation of coiled coil peptides used as membrane fusogens, mimicing naturally occuring coiled-coil fusion proteins. Synthetic modifications have been made to alter lipid attachment, secondary structure and to insert photoactive azobenzene moieties for active control over coiled coil…
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Influence of the electrode-electrolyte interface on electrochemical CO2 reduction reaction and hydrogen evolution reaction
The goal of this thesis is to understand how interfacial parameters, such as the addition of organic additives, bulk pH or metal cations of the electrolyte, affect the relevant electrocatalytic reactions, i.e. electrochemical CO2 reduction reaction or hydrogen evolution reaction.
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Accurate modeling of the dynamics of dissociative chemisorption on metal surfaces
Fundamental understanding of molecular reactions on metal surfaces is important for improving heterogeneous catalysis.
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Chemically Accurate Simulation of a Prototypical Surface Reaction: H-2 Dissociation on Cu(111)
Methods for accurately computing the interaction of molecules with metal surfaces are critical to understanding and thereby improving heterogeneous catalysis.
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Understanding the Surface Structure of Catalysts and 2D Materials at the Atomic Scale
The work in this thesis demonstrates how to obtain an atomic-scale picture of a diverse set of complex surface structures observed using STM, under disparate conditions.
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Surface-structure dependencies in catalytic reactions
Promotor: M.T.M. Koper, Co-Promotor: L.B.F. Juurlink
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Gaining control of lipid-based nanomedicine by understanding the nano-bio interface
Dit proefschrift beschrijft een collectie aan alternatieve strategieën voor het begrijpen, ontwerpen en toepassen van lipide nanosystemen, waarin de rol van de bio-nano interacties centraal staan. In het bijzonder wordt gekeken naar de interactie van RNA-lipide nanosystemen, bekend van de toepassing…
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The role and analysis of molecular systems in electrocatalysis
Molecular complexes can be used as electrocatalysts for oxygen reduction, water oxidation, and/or hydrogen peroxide production.
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Hydrogen dissociation on metal surfaces
Promotor: G. J. Kroes
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Squaramide-based interpenetrated networks for load-bearing applications
This thesis explores squaramide-based supramolecular polymers and hydrogels, enhancing their mechanical strength for 3D cell culture.
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Computational electrocatalysis
This dissertation focused on computational methods based on first principles calculations using the Density Functional Theory (DFT) framework. Emphasis was laid on affordable methods that can provide a tradeoff between computational expense and accuracy.
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Highly Accurate Simulations and Benchmarking of Molecule-Surface Reactions
Heterogeneous catalyzed processes are highly significant to the chemical industry. Dissociative chemisorption (DC) of molecules on surfaces is always considered as a step with a high degree of rate control for heterogeneous catalysis.
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Towards Photocatalytic Water Splitting in Homogeneous Solutions Using Molecular Metalloporphyrin Photosensitizers and Catalysts
Indonesia is experiencing various environmental challenges related to its fast economic growth. Therefore, it is necessary to have measurable and applicable indicators to obtain accurate data and information regarding the costs of adverse environmental impacts arising from economic activities to support…
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Adiabatic Energy Loss in Hyperthermal H Atom Collisions with Cu and Au: A Basis for Testing the Importance of Nonadiabatic Energy Loss
Nonadiabatic energy transfer from the translational motion (T) of a molecule impinging on metal surface to the metal’s electrons may determine whether the molecule can lose enough energy to adsorb or react.
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Functionalizing monolayer graphene as a proton-selective membrane for direct methanol fuel cells
This thesis focused on the exploration of monolayer graphene as a membrane in direct methanol fuel cell (DMFC) applications, with improvements achieved through plasma exposure or damage- free chemical functionalization.
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Synthesis and Characterization of Boron, Nitrogen, and Carbon-Based Two-Dimensional Materials
This thesis comprises the development of reproducible synthesis procedures for two-dimensional materials (composed of boron, nitrogen and carbon) on different metallic surfaces.
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In Memoriam Professor Huib Ovaa
On the 19th of May 2020, our dear colleague and friend Professor Dr. Huib Ovaa has passed away from prostate cancer. Last summer Huib became ill, and in first instance it appeared that he had attracted a relatively harmless infectious disease. Unfortunately, it became soon apparent that he suffered…
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New potential drug suppresses chemotherapy induced neuropathic pain
Oncode Investigator Mario van der Stelt and his colleagues have discovered a new potential drug that suppresses chemotherapy induced neuropathic pain.
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Collaborators and advisors
Collaborators and advisors of the Plant BioDynamics Laboratory
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Protein motions revealed by paramagnetic NMR spectroscopy
Hass
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Eregalerij 2025
In 2025 hebben medewerkers en studenten van de Universiteit Leiden veel mooie prijzen ontvangen en belangrijke onderzoekssubsidies binnengehaald.
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Inextricable ties between chemical complexity and dynamics of embedded protostellar regions
Promotor: E. F. van Dishoeck, Co-promotor: C. Walsh
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Zipping into Fusion
Promotor: J.G.E.M.Fraaije, Co-promotor: A. Kros
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Reactivity on interstellar ice analogues
The
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Craig Crews awarded the Havinga Medal 2025
Professor Craig M. Crews of Yale University (USA) is the recipient of the 2025 Havinga Medal.
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Bacterial Chromatin: Methods and Protocols (2024)
Authoritative and cutting-edge, Bacterial Chromatin: Methods and Protocols, Second Edition aims to be a useful up-to-date reference work for researchers currently in the field and to those entering the field.
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Contact
Contact Macromolecular Biochemistry
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Contact
Conact the Cellular Chemistry group
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Master's application and admission
Find out how to apply for Chemistry at Leiden University by following our step-by-step guide.
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The scent of the universe
Former PhD student Cameron Mackie will been awarded not one, but two dissertation prizes for his thesis on the aromatic universe. His work could provide us with a virtual sniff of space. ‘These molecules in space likely smell like a big charcoal grill!’
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The molecular secrets of medicinal cannabis
Chronic pain, nausea or vomiting due to chemotherapy. If you suffer from such ailments, medicinal cannabis can be a godsend. Though a downside is that it can make patients high. Therefore, Leiden researchers from the Oncode Institute are investigating alternatives that do not make you high. In Nature…
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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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Boosting the immune system to fight anitibiotic resistant Tuberculosis
Can small molecule drugs restore the immune system’s ability to fight tuberculosis by boosting autophagy?
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Other nominees
Discover all the Leiden Science teaching talent that was part of this year's lineup.
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Activity-based protein profiling of diacylglycerol lipases
Promotor: H.S. Overkleeft, Co-promotor: M. van der Stelt
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Tanja AhlinFaculty of Social and Behavioural Sciences
t.ahlin@fsw.leidenuniv.nl | 071 5272727
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Anna-Alexandra MarholdFaculteit der Rechtsgeleerdheid
a.a.marhold@law.leidenuniv.nl | 071 5273350
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Awards
As a venue, Leiden University is a fitting setting for recognising the outstanding achievements of the award winners and celebrating the inspiration that they bring as role models for encouraging a fairer society by motivating one individual at a time.
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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…