Galaxies in the early universe are shrouded in a kind of mist: a cloud of hydrogen. With galaxies in the later universe this mist has disappeared. Astronomer Jorryt Matthee has made the first images of this dissipating mist. PhD defence 19 September.

Due to their central physiological roles in living organisms, retaining beta-glycosidases have been the subject of tremendous research efforts to examine their structure/function relation using numerous biophysical and biochemical approaches.

Promotor: G.R. de Snoo, Co-promotor: C.J.M. Musters

Promotor: Prof.dr. G.R. de Snoo

Overall dispersion in LCA as result of inherent uncertainties, spread and unrepresentativeness.

Lecture

We will study how inoculation of former arable land with soil (including the microbiome, soil fauna and seeds/rhizomes of ground flora) from old forests along with planting targeted tree species mixtures will improve productivity and more rapidly restore forest-adapted communities and ulttimately result…

HomininSpace is an agent based modelling and simulation system in which fluctuating carrying capacity is the key attractor for hominin dispersal. A parameterized and spatially explicit reconstructed palaeo-environment models available energy in the form of secondary biomass using reconstructed climate…

Promotor: Prof.dr. M. Ubbink

Lecture

The Western Mediterranean is a key region to understand human dispersal events within and out of the African continent as well as for the eventual replacement of Neanderthals by anatomically modern humans during the Pleistocene. Central to any conclusive interpretation of archaeological and palaeoclimatic…

This study presents an agent-based simulation model exploring the patterns of presence and absence of Late Pleistocene Neanderthals in western Europe.

Towards a Biological Understanding of the Middle to Upper Palaeolithic Transition

Software and Data of the department Industrial Ecology

The research in this thesis is focused on tomographic reconstruction based on two imaging modalities in electron microscopy.

Promotor: Prof.dr. I.A.G. Snellen, C.U. Keller

Promotor: Prof.dr. J.M. van Ruitenbeek, Prof.dr. R.M. Tromp

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

The Early Upper Palaeolithic (EUP) record throughout Europe is characterized by major changes in human behaviour.

Promotor: G.P. van Wezel

Promotor: G.R. de Snoo, W. Kustiawan, Co-promotor: H.H. de Iongh

Trigonostemon Blume is a plant genus in the family Euphorbiaceae comprising 59 species.

From surface science towards industrial practice using high-pressure scanning tunneling microscopy.

Promotores: Prof.dr. P.M. Brakefield, Prof.dr. B.J. Zwaan (Wageningen Universiteit)

Leiden University has developed a radically different method for large scale production of diverse nanoparticles and their alloys.

This PhD project develops and applies a GIS procedure to use legacy survey data in settlement pattern analysis. As part of the research by the LERC project (NWO, Leiden University, KNIR), legacy data produced by surveys in central and southern Italy are examined in a comparative framework to investigate…

From colonial times through to the present day, large numbers of Javanese have left their homes to settle in other parts of Indonesia or much further afield. Frequently this dispersion was forced, often with traumatic results.

Metal-based prodrugs based on ruthenium(II) polypyridyl complexes have proven to be very suitable for application in both photodynamic therapy (PDT) and photo-activated chemotherapy (PACT).

The Great Rift Valley in Africa is a real treasure trove for discovering early human fossils. The fossils found in this part of Africa have determined our view of human evolution. But was the Great Rift Valley really the place where evolution took place or just a place where fossils are well preserved…

In this thesis, I targeted the orchid genus Lepanthes, one of the six genera of angiosperms that surpasses 1,000 species in the Neotropics, as a study model to investigate the evolutionary processes that promoted species diversifications.

Overview of CML software and data

PURPOSE: In the present study we investigated the root-cause of an interference signal (100-200 nm) of sugar-containing solutions in dynamic light scattering (DLS) and nanoparticle tracking analysis (NTA) and its consequences for the analysis of particles in biopharmaceutical drug products.

OB associations are loose groups of young, massive stars. They constitute the last stage of the massive starformation process, and the context in which new stars are formed.

This projects investigates spatial relations between soils and other resources and the urban layout of a classic Maya center in Campeche, Mexico.

A neolithic settlement on the Dutch North Sea coast c. 3500 CAL BC.

The Darién region of Panama is the only land bridge connecting North, Central and South America. Nowadays home to descendants of African enslaved peoples, Indigenous peoples (Emberá, Wounaan, and Guna), and mestizos, Darién has been and still is fundamental to connectivity, cultural interchange, and…

In our lab, we investigate the physics and material properties of low-dimensional systems.

New Approaches for studying Archaeological Dark Ages

Are there significant differences among the environmental impacts resulting form the production of Asian aquaculture commodities and what are the main causes for these?

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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Are there acoustic cues for settlement stage larvae in deep-sea soundscapes around hydrothermal vents?

The central question of this Vici proposal is to investigate if, and how actinobacteria exploit life without a cell wall.

Chemical reactions go hand-in-hand with an energy exchange with the environment in which they take place. Surfaces offer a variety of energy dissipation channels, constituted by the nuclear and electronic degrees of freedom of the atoms at the interface. Aiming at an improved future harvesting of energy,…

Chemical reactions go hand-in-hand with an energy exchange with the environment in which they take place. Surfaces offer a variety of energy dissipation channels, constituted by the nuclear and electronic degrees of freedom of the atoms at the interface. Aiming at an improved future harvesting of energy,…

The Leiden Center for the Study of Ancient Arabia aims to promote research on the ancient languages and cultures of Arabia, and to disseminate this knowledge to the broader public.

There is a linguistic hypothesis that states that all languages from Europe to India originate from a single mother language: Proto-Indo-European. This language is thought to have been spoken thousands of years ago. Researcher Alwin Kloekhorst plans to use linguistic genealogy to study the very first…

What workflow of non-destructive techniques provides accurate, valuable data to improve our understanding of Caribbean archaeological landscapes? How were Amerindian settlements configured?

Cosmic mist, first-generation stars and state-of-the-art computer simulations made clear that distant galaxies are much more than just simple dots in the sky. By investigating galaxies from the past, astronomer Jorryt Matthee from Leiden Observatory hopes to answer questions about the origin of galaxies,…

What can languages spoken in the Lesser Sunda Islands today tell us about the histories of its various population groups?