566 search results for “metabolic nanoparticles” in the Public website
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Fundamental and translational medical biochemistry
Through metabolism, biochemical processes give rise to the complexity of life. Acquired and inborn errors in metabolism underlie many diseases occurring in man. The challenge for present day medical biochemistry is to find, and integrate, pieces of information at molecular, cell and organismal level…
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Photothermal circular dichroism studies of single nanoparticles
PhD defence
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Phase Separation in Lipid-based Nanoparticles
PhD defence
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Discoveries in 2023
From nanoparticles to colliding ice planets and from biological origami to new x-ray scanner techniques: this year again, our scientists have made wonderful discoveries. From the largest numbers to the smallest molecules and from the oldest galaxies up to the latest algorithms, take a look at each institute's…
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Functions of leptin in tuberculosis and diabetes: multi-omics studies across species
In this thesis, I study 1) metabolic alterations in tuberculosis related to wasting syndrome in human patients as well as in rodent and fish animal models. 2) effects of the mutation of the leptin gene on cachexia and diabetes in rodent and zebrafish animal models.
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Small but not harmless
To what extent do nanoparticles accumulate in plants and animals, and what properties of the particles play a part in this? Willie Peijnenburg, professor of Environmental toxicology and biodiversity was awarded a Marie Curie grant to conduct research on the environmental effects of nanoparticles.
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Speed gun for molecules
Detecting molecules with temperature instead of chemical reactions: that’s what scientists from the Leiden Institute of Physics want to do. They are developing a sensor that utilizes special nanoparticles to keep track of certain molecules. In this way, they can for example see how well new drugs do…
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Development of Comprehensive and High-throughput metabolomics techniques
A major goal of ABS research is to overcome one of the major bottle-necks in metabolomic research: the lack of a high-throughput infrastructure in which thousands of samples can be processed in a standardized and cost-effective way (max. a few tens of Euro’s per sample for a full metabolome profile).…
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The early stress response of jasmonic acid in cell suspension cultures of Catharanthus roseus
In order to gain a better insight into the basis of the rapid jasmonic acid (JA)-mediated stress response, an integrated approach using a targeted high-resolution mass spectrometry-based (HRMS) platform, was conducted to monitor the metabolism of JA using the model system of cell suspension cultures…
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Chemical biology of sphingolipids: fundamental studies and clinical applications
Overkleeft
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Magnetic Resonance Imaging of the Adult Zebrafish
Zebrafish is an excellent model organism for studying various human diseases. Due to opaqueness of the adult phase, in vivo studies are restricted to early embryonic stages. This raises the need for rapid sensitive and non-invasive in vivo imaging methods to follow developmental processes, not only…
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Projects
Research projects
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Jose G. Vallarino
PhD at Molecular Biology and Biochemistry Department, University of Malaga - Spain
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Delivery of Biotherapeutics
The Delivery of Biotherapeutics research group is led by Prof. Matthias Barz and focusses on the synthesis and characterization of polypept(o)ids and their application in nanomedicine to improve existing therapies or enable novel diagnostic or therapeutic approaches.
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Steps in gas-surface reactions
Heterogeneous catalysis is essential to many industrial applications. These catalysts are often comprised of supported nanoparticles, which contain various different surface sites.
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Transcutaneous vaccination by means of coated and hollow microneedles
Transcutaneous vaccination is attractive because it is non- or minimally invasive, pain free and the site of administration (skin) is easily accessible. What’s more, transcutaneous immunization can lead to a strong immune response owing to the presence of immune-competent cells in the skin.
- Leiden Institute of Chemistry
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Key publications
Key publications of the Biologics Formulation group
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Supramolecular & Biomaterials Chemistry
The Supramolecular & Biomaterials Chemistry group comprises the PIs Alexander Kros, Roxanne Kieltyka, Gregory Schneider and Sander Wezenberg, and is active in the field of self-assembly of amphiphilic peptides and applying them in supramolecular chemistry.
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Triblock polypept(o)ides for siRNA delivery: unique polymeric designs for versatile carrier systems
Utilizing the polymeric platform of polypept(o)ides, this thesis describes synthesis and investigation of novel triblock copolymers to obtain carrier systems with multiple compartments for efficient siRNA delivery. Although the individual microstructure of nanoparticles differs depending on the polymeric…
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Supramolecular and Biomaterials Chemistry
Alexander Kros studies supramolecular systems in a biological environment. The unifying theme between the projects in my lab is specific molecular recognition, i.e. the intermolecular interaction between complementary molecules with high affinity and selectivity. Studying, imitating and dissecting processes…
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Rare-earth nanoparticles in bioimaging and therapy
PhD defence
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Research
Research lines within the Pharmacy group:
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PUMA (Prospecting the Urban Mines of Amsterdam)
PUMA aims at composing a geological map of the urban mine of Amsterdam for a selection of metals. Where are main deposits of copper, iron and aluminium located, when will they become available for secondary production, in what state and shape are they?
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Key publications
Key publications of the Biomedical Microscale Analytics group.
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Bernd Schneider
Dr. at Max Planck Institute for chemical Ecology, Jena - Germany
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Unlocking Nature’s Pharmacy from Bogland Species
Development of Natural Resource for New Medicines
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BioTherapeutics (MSc)
The master’s specialisation BioTherapeutics at Leiden University is a two-year programme which trains students in research in specific drug delivery techniques. The programme also examines the development of new therapeutic approaches to treat immune-based disorders, such as atherosclerosis, metabolic…
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Developmental effects of polystyrene nanoparticles in the chicken embryo
PhD defence
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Key publications
Key publications of the Barz Lab
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mRNA and Drug Delivery with Lipid-based Nanoparticles
PhD defence
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Novel Strategies to Investigate Lipoprotein Metabolism and Combat Cardiometabolic Disease
PhD defence
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Enabling volume-restricted metabolomics using next-generation microscale analytical tools
Development of micro-scale analytical tools to be used to address relevant biomedical questions in the field of neuroscience, and other application areas intrinsically dealing with small sample amounts.
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Regulatory networks in Streptomyces
We aim to unravel the complex and intertwining regulatory systems that control development and antibiotic production in streptomycetes.
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Mathematics-based strategies for repairing tumour blood vessels
How does the extracellular matrix coordinate endothelial cell behavior during angiogenesis, and how do metabolic waste-products and matrix-degrading enzymes produced by the tumour modify the extracellular matrix so as the change the cellular coordination?
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Harnessing the soil microbiome for improved stress tolerance in crop plants
Which compounds and microorganisms that live near and inside plant roots are beneficial? Can we use this knowledge to improve the health and growth of crop plants?
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Metabolomic characteristics of Catharanthus roseus plants in time and space
Promotor: Prof.dr. R. Verpoorte, Co-promotores: Dr. Y.H.Choi, N.R. Mustafa
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Analytical chemistry and biochemistry of glycosphingolipids: new developments and insights
Advanced mass spectrometry of glycosphingolipids takes the central stage in this thesis. Investigations focus on characterization of glycosphingolipid metabolism in health and disease with emphasis to the detection and accurate quantitation of known and so far unknown glycosphingolipids and closely…
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Exploration of the endocannabinoid system using metabolomics
To increase clinical success rate of drugs, a better understanding of drug action mechanism and disease dynamics is required. Metabolomics, which studies small molecules involved in biochemical processes in organisms, has shown to be a useful tool for this better understanding.
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From Descriptive to Predictive Pharmacology in Children using Semi-Physiological population modelling
An integrated approach of physiological concepts, advanced statistical approaches and large clinical datasets.
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Historic Chinese Materia Medica revisited
What are the differences between the trade in Chinese herbal drugs in Europe between 1800 and now? Can we see the major metabolic changes after 200 yours?
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Formulation of biopharmaceuticals
Formulation of biopharmaceuticals
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Multi-omics studies of the control of growth and antibiotic production of Streptomyces
Actinobacteria are Gram-positive bacteria that have a complex multicellular life cycle and are well known for their ability to produce a wide range of bioactive natural products (NPs).
- Core group
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Polypept(o)ide-based nanostructures for therapeutic and diagnostic application
Nanoparticles exhibit a number of adjustable properties, e.g., their size, shape, and surface and core chemistry, which can be further diversified with different functional moieties. This opens a broad field for application in diagnostic and therapy. In this respect, the use of a polymeric hybrid material,…
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Catalysis and Surface Chemistry
In the Catalysis and Surface Chemistry group, we investigate how catalysis works on the molecular level. The group is divided in six subgroups, focusing on different aspects of heterogeneous catalysis, homogeneous catalysis and electrocatalysis.
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Life after the Grand Jamboree: Wrapping-up iGEM
‘A challenging rollercoaster, but also a very bonding and insightful experience,’ that’s how the team of iGEM Leiden 2022 wraps up their participation in the iGEM contest. The contest for synthetic biology climaxed during the Grand Jamboree in Paris. The team ended up in the top 10 of over 360 teams…
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CE-MS for metabolomics: advancing performance and detection sensitivity
The major and ultimate aim of metabolomics is to obtain an answer to a specific biological or clinical question.
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GRIPonMASH
GRIPonMASH will address the unmet public health need of reducing disease burden and comorbidities associated with Metabolic dysfunction-Associated Steatotic Liver Disease (MASLD).
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Single cell technologies for mechanobiology and mechanopharmacology
Mechanobiology is a major area in biology, however, mechanics is currently a missing element in drug development pipelines. This has led to a high cost for the society. Mechanotoxicity of drugs often appears as a long-term side effect of drugs, and has led to removal of drugs from the market. Furthermore,…