IJS KOLOKVIJ, torek, 24. 9. 2019, ob 13.00 uri, prof. dr. Judith A. K. Howard

[natasa.gosevac at ijs.si]

Vabimo vas na 22. predavanje iz sklopa "Kolokviji na IJS" v letu 2018/19, ki bo v torek, 24. september 2019, ob 13 uri v Veliki predavalnici Instituta »Jožef Stefan«  na Jamovi cesti 39 v Ljubljani. Napovednik predavanja najdete tudi na naslovu http://www.ijs.si/ijsw/Koledar_prireditev, posnetke preteklih predavanj pa na http://videolectures.net/kolokviji_ijs. 

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prof. dr. Judith A. K. Howard

Durham University, Durham, Velika Britanija

 

Z uklonskimi podatki do povezave med strukturo in lastnostmi

 

V predavanju bomo pokazali, kako 3D struktura vpliva na lastnosti materialov in kako lahko raziskujemo strukturne premene pod spremenljivimi pogoji in v različnih zunanjih poljih. Prikazani primeri iz naše prakse se bodo dotaknili tudi najsodobnejših instrumentov, razvitih v Durhamu, s katerimi izvajamo meritve pri različnih temperaturah in tlakih. Preučili smo lastnosti širokega nabora koordinacijskih spojin s spremembo spinskega stanja (angl. spin crossover complex), kovinsko-organskih mrež, magnetnih snovi in termokromnih spojin, in nekatere od teh bomo predstavili v predavanju. Rentgenska in nevtronska kristalografija igrata zelo pomembno vlogo pri iskanju povezav med molekularno strukturo in snovnimi lastnostmi, posebej pri komercialno pomembnih materialih in pri kemijsko fascinantnih novih spojinah. Pri mnogih biomolekulah pa je poznavanje 3D strukture, ki omogoča podroben vpogled v razporeditev atomov v aktivnih mestih, lahko začetek razumevanja njihove primarne biološke funkcije in s tem tega, kako lahko biomolekula interagira s potencialnimi zdravilnimi učinkovinami.

Predavanje bo v angleščini.

 

Lepo vabljeni!

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We invite you to the 22nd Institute colloquium in the academic year 2018/19. The colloquium will be held on Tuesday, September 24, 2019 at 13 PM in the main Institute lecture hall, Jamova 39, Ljubljana. To read the abstract click   <http://www.ijs.si/ijsw/Koledar_prireditev> http://www.ijs.si/ijsw/Koledar_prireditev. Past colloquia are posted on   <http://videolectures.net/kolokviji_ijs> http://videolectures.net/kolokviji_ijs.

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prof. dr. Judith A. K. Howard

Durham University, Durham, United Kingdom

 

 

Structure-property relationships from diffraction data

 

The talk will show ways in which 3D structure influences the bulk properties of materials and how we can learn much from the evolution of structure under varying conditions of external stimuli. Examples will be taken from our own work and will include descriptions of the cutting-edge instrumentation that has been developed in Durham to perform such variable temperature and variable pressure studies.  We have investigated a wide range of materials’ properties such as spin crossover complexes, MOF-like materials, magnetic species and thermochromic compounds, some of which will be illustrated in the talk.   X-ray and neutron crystallography plays an important role in the study relating molecular structure to properties, in particular for commercially important materials and chemically fascinating novel compounds. For many biomolecules, full knowledge of the 3D structure can be the start of understanding its primary biological function and therefore how it might interact with potential drug molecules, once the detailed atomic arrangement in the active sites is known.

 

Cordially invited!

 

 

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