632 search results for “isotope analysis” in the Public website
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Analysis of 13C and 15N isotopes from Eurasian Quaternary fossils
Insights in diet, climate and ecology
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Isotope analysis finds source lead poisoning among slaves on Barbados
The dental remains of 25 enslaved Africans from the site of Newton's Plantation, on Barbados, were subjected to isotope analysis. Previous research had pointed out that the locally born individuals were subjected to high concentrations of lead poisoning. A new study, done by Dr Jason Laffoon among others…
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Investigating Caribbean migrations with a Vidi grant: ‘With isotope analysis we can look at individual behaviors and long term patterns’
Archaeologist Jason Laffoon was awarded an NWO Vidi grant for an innovative investigation into ancient migrations in the western Caribbean. The innovative character of this research project lies in the wide-scale application of isotope analysis and isotope mapping. ‘We aim at further developing methods…
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Climate Change and Natural Isotopes
This project, under the supervision of Prof. Dr. Hans van der Plicht, comprises several studies aimed at the use of isotopes occurring naturally in organic material as tracers for both the climate change and its cultural impact at about 6200 BC. The research will be carried out by the co-applicant at…
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Indigenous animal management practices on the eve of Columbus' landfall
Isotopic and zooarchaeological investigations in the Dominican Republic and Jamaica
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Metabolomics assisted with stable-isotope labeling: exploring neuronal metabolism related to Parkinson’s disease
The progressive loss and degeneration of dopaminergic neurons is a major pathological hallmark of Parkinson's disease (PD). The onset and progression of PD can be triggered by multiple risk factors, for instance, genetic mutation, environmental exposure, and aging.
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Isotopes and the characterization of extrasolar planets
Diverse types of exoplanets such as gas giants on close-in orbits (hot Jupiters) and young massive giants on wide orbits (super Jupiters), with no analogs in the Solar System, pose challenges but also opportunities to our understanding of planet formation and evolution.
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Quantitative paleodietary reconstruction with complex foodwebs: An isotopic case study from the Caribbean
William Pestle and Jason Laffoon recently published a new article entitled 'Quantitative paleodietary reconstruction with complex foodwebs: An isotopic case study from the Caribbean' in the Journal of Archaeological Science: Reports.
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Jason Laffoon’s Leiden Experience: ‘I am expanding my horizons chronologically and regionally’
Back in 2008, Jason Laffoon moved from Chicago to Leiden. He came to join the Faculty of Archaeology’s Caribbean research group as a PhD candidate. Now he is an assistant professor, bridging departments through his innovative research methods. ‘I focus both on the archaeology of the Americas, as well…
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The synthesis of chemical tools for studying sphingolipid metabolism
Sphingolipids are important membrane compounds with a variety of functions. In mammalian cells, different enzymes are involved in the metabolism of sphingolipids, but interruption of this metabolism process leads to different diseases.
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Biogeochemical Biographies
A multiple isotope approach to human-animal dynamics in the Lesser Antilles across the historical divide
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The (pre)historic distribution and habitat of the elk in the Netherlands
The project aims to explore Eurasian elk's role in the ecosystems of the past and its relationship with humans through analysis of its distribution and habitat in the Netherlands.
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Mobility and exchange
Dynamics of material, social and ideological relationships in the pre-Columbian insular Caribbean
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textnets: A Python package for text analysis with networks
With textnets it is possible to visualize and analyze textual data in novel ways.
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Multiway Analysis
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Biological model representation and analysis
Promotor: Prof.dr. J.N. Kok, Co-promotor: F.J. Verbeek
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Machine learning for radio galaxy morphology analysis
We explored how to morphologically classify well-resolved jetted radio-loud active galactic nuclei (RLAGN) in the LOw Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) using machine learning.
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Applied multivariate data analysis
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Explainatory Data Analysis
The Explainatory Data Analysis group develops algorithms and theory that enable domain experts to explain data by finding interpretable patterns and models.
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Image analysis & storage
Obtaining imaging data is nowadays only the start of your project. Once the data has been acquired there are many things that still need to be done.
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Analysis and Dynamical Systems
The research of this programme is centered around dynamical systems, functional analysis, and their interplay.
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The Buffalo attack – An analysis of the manifesto
In this publication, Prof. Tahir Abbas, Inés Bolaños Somoano, Joana Cook, Isabelle Frens, Graig R. Klein and Richard McNeil-Willson look into the manifesto that was linked to the Buffalo attack in order to better understand the broader context and specific factors that motivated the perpetrator.
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Analysis of Energy Systems
The Institute of Environmental Sciences has carried out and participates in several projects that deal with the analysis of energy systems.
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Analysis and Dynamical Systems
The research of our group is centered around dynamical systems, functional analysis and their interplay.
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Leiden in the Caribbean
The research involves the application and combination of archaeological and archaeometrical methodologies. Petrographic analysis and isotopic provenance studies of raw materials and exotics, and the study of the distribution patterns of these materials are used to gain insight into the exchange of goods…
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Stepwise latent class analysis
The main methodological aspects of the use of stepwise LCA estimators under different circumstances.
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Analysis and Stochastics
The research of the Applied Mathematics cluster is concerned with such diverse topics as dynamical systems, representation theory, differential equations and pattern recognition.
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Degradome analysis of vaccines
The objective is to develop in vitro antigen degradation assays in order to mimic the fate of the antigen in vivo.
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Oxford Encyclopedia of Crisis Analysis
The volume is one-stop shopping for crisis studies and a number of closely related fields, providing a window onto the latest thinking in the field. The articles reflect cutting edge, state of the art scholarship and pose key questions for research and practical development.
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Multicriteria Optimization and Decision Analysis
The focus of the Multicriteria Optimization and Decision Analysis (MODA) group is to develop foundations of methods in multi-objective optimization.
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What tiny isotopes reveal about planets outside our solar system
Planets existing in other solar systems contain invaluable information about the origin of planets and life. PhD candidate Yapeng Zhang has studied their atmospheres by looking at their smallest parts: isotopes. With her research she hopes to discover what makes our own solar system unique.
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Handbook for the Analysis of Micro-Particles in Archaeological Samples
This handbook provides a resource for those already familiar with some kinds of micro-particles who wish to learn more about others, or for those just starting out in the study of microremains who wish to have a broad understanding about microscopic archaeology.
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Course Analysis of Repeated Measurements
Explore "Analysis of Repeated Measurements" at Boerhaave Nascholing. Learn statistical methods for correlated data in time. Read more here.
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First measurement of isotopes in atmosphere of exoplanet
An international team of astronomers have become the first in the world to detect isotopes in the atmosphere of an exoplanet. It concerns different forms of carbon in the gaseous giant planet TYC 8998-760-1 b. The research will be published in the scientific journal Nature on Thursday.
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Steady-State Analysis of Large Scale Systems
Promotor: W.Th.F. den Hollander Co-Promotor: F.M. Spieksma
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Many objective optimization and complex network analysis
This thesis seeks to combine two different research topics; Multi-Objective Optimization and Complex Network Analysis.
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Mathematical analysis of systems pharmacology models
Systems pharmacology aims to apply techniques from systems biology to pharmacological models.
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Advances in Survival Analysis and Optimal Scaling Methods
This thesis is based on five papers on several topics.
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New Methods for (f)MRI Analysis
Analysis of neuroimaging data requires multiple steps where statistics play a crucial role. The MRI methods research group develops new statistical methods that are accurate, transparent and easy to use.
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Missing data procedures in multivariate analysis
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Jason Laffoon's Archaeometry article in top 20 most read
The research article ‘The life history of an enslaved African’ is one of the top 20 read Archaeometry articles in the period of January 2017 to December 2018.
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Population-Scale Network Analysis (POPNET)
A research data infrastructure in computational social science
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Automated Design and Analysis of Algorithms
The Automated Design and Analysis of Algorithms (ADA) research group pursues the development of Artificial Intelligence techniques that complement, rather than replace, human intelligence.
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Adaptive Streaming Applications: Analysis and Implementation Models
Promotor: Prof.dr. E. Deprettere
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Resampling Methodology for Longitudinal Data Analysis
How does the cluster bootstrap procedure in combination with various types of linear models perform in the analysis of longitudinal data, compared to other methods.
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MICA – Material Intelligence Capacity Analysis
Can we develop a platform for raw materials intelligence?
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Media studies: Cultural Analysis: Literature and Theory
Are you thinking about studying Cultural Analysis: Literature and Theory? Learn more and watch the introduction video.
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Cultural Analysis: Literature and Theory (MA)
The master in Cultural Analysis: Literature and Theory at Leiden University studies contemporary literature and culture (art, cinema, pop music) from a theoretical, critical perspective, with special emphases on approaches developed in cultural and literary studies, feminist theory, phenomenology and…
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Strategic European counterterrorism? An empirical analysis
This paper, written by Silvia D'Amato & Andrea Terlizzi, investigates the extent to which the European Union is strategically engaging against terrorism.
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A Critical Discourse Analysis of Incel Violent Extremists and the Stories They Tell
This study is a critical discourse analysis of the misogynistic narratives shared by three incel violent extremists.