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Lectures & Events

Monday 06 December
Zoom
11:00
Protein as amorphous evolving matter Prof. Tsvi Tlusty [Info]

Protein as amorphous evolving matter

Protein is matter of dual nature. As a physical object, a protein molecule is a folded chain of amino acids with diverse biochemistry. But it is also a point along an evolutionary trajectory determined by the protein’s function within a hierarchy of interwoven interaction networks of the cell, the organism, and the population. Thus, a theory of proteins needs to unify both aspects, the biophysical and the evolutionary. In this talk, a physical approach to the protein problem will be described, focusing on how cooperative interactions among the amino acids shape the evolution of the protein. This view of protein as evolvable matter will be used to examine basic questions about its fitness landscape and gene-to-function map. Department of Physics, National University in Ulsan, South Korea
Sunday 19 December
Gerhard M.J. Schmidt Lecture Hall
11:00
Electrical Conductivity in Metal-Organic Frameworks Prof. Mircea Dinca [Info]

Electrical Conductivity in Metal-Organic Frameworks

The emergence of electrically conductive metal-organic frameworks (MOFs) has been one of the most paradoxical developments in the field in the last few years. Indeed, how can one transport charges through a material that is mostly “empty” space? In this sense, MOFs made from layers of organic ligands connected by (typically) square-planar metal ions have shown particularly good electrical conductivity. However, a precise mechanism for charge transport is still the subject of debate, with various experimental and computational reports describing these materials as metals, semiconductors, semimetals, or even borderline insulators. Most of the discussion on this point has been focused on the effects of in-plane metal-ligand conjugation and the efficiency of in-plane transport. This lecture will describe the latest efforts from our group to understand the intrinsic properties of these materials, especially as related to single-crystal electrical measurement studies, and will discuss in particular the unexpectedly large influence of out-of-plane transport. Time allowing, I will discuss unexpected results stemming from the behavior of these materials as 1D metals, and applications in energy storage and conversion. Department of Chemistry, Massachusetts Institute of Technology
Monday 20 December
Zoom
11:00
From cell circuits to collective cell behaviour Prof. Leah Edelstein-Keshet [Info]

From cell circuits to collective cell behaviour

In order for our body to heal and repair injury, cell sheets must move together to seal a gap. To overcome infection, white blood cells need to track down and destroy pathogens. Such processes can only work if cells can "sense" their environment and "decide" to move in the right direction, or else, to coordinate with neighbouring cells. This requires tight control of adhesion between cells, as well as the speed and direction of cell migration. In this talk, I will describe mathematical and computational research on cell migration, both in normal and abnormal (cancer) cells. I will focus mainly on recent "multi-scale" modeling, where we combine our understanding of the "molecular machinery" inside cells, with information about how cells interact with one another. We use this approach to investigate the behaviour of groups of cells. Combining mathematics and computational methods, we can get some insights on cell organization in development and in wound healing, as well as what could go wrong in disease such as cancer. Department of Mathematics, University of British Columbia, Canada
Monday 17 January
Zoom
11:00
Chemistry Colloquium (hybrid) Prof. Timor Bassov [Info]

Chemistry Colloquium (hybrid)

Faculty of Chemistry, Technion
Monday 31 January
Zoom
11:00
Chemistry Colloquium - hybrid Prof. Efrat Lifshitz [Info]

Chemistry Colloquium - hybrid

Faculty of Chemistry, Technion
Monday 07 February
Zoom
11:00
Chemistry Colloquium (hybrid) Prof. Uri Banin [Info]

Chemistry Colloquium (hybrid)

Institute of Chemistry, Hebrew University of Jerusalem
Monday 09 May
Zoom
11:00
Chemistry Colloquium (hybrid) Prof. Rein Ulijn [Info]

Chemistry Colloquium (hybrid)

Advanced Science Research Center, City University of New York
Monday 06 June
Zoom
11:00
Chemistry Colloquium (hybrid) Prof. Harry Anderson [Info]

Chemistry Colloquium (hybrid)

Department of Chemistry, University of Oxford