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Projects / Programmes source: ARIS

Nmr study of gels

Research activity

Code Science Field Subfield
1.02.01  Natural sciences and mathematics  Physics  Physics of condesed matter 

Code Science Field
P260  Natural sciences and mathematics  Condensed matter: electronic structure, electrical, magnetic and optical properties, supraconductors, magnetic resonance, relaxation, spectroscopy 
Keywords
magnetic resonance, gels, liquid crystals, fibrin gel, blood clots, fibrinolysis
Evaluation (rules)
source: COBISS
Researchers (1)
no. Code Name and surname Research area Role Period No. of publicationsNo. of publications
1.  11035  PhD Aleksander Zidanšek  Physics  Head  1998 - 2001  361 
Organisations (1)
no. Code Research organisation City Registration number No. of publicationsNo. of publications
1.  0106  Jožef Stefan Institute  Ljubljana  5051606000  90,976 
Abstract
Deuteron NMR is used to study nematic phase of liquid crystals, confined to porous glasses and aerogel matrices of various pore sizes. Smectic phases are studied with X-ray and neutron scattering (SAXS and SANS methods). Confinement effects on phase behaviour of liquid crystals represent an interesting teoretical problem that has potential applications for liquid crystal displays. Biopolimer systems are studied with NMR, sinchrotron light and neutron scattering. Fibrin gel and fibrinogen play an important role in blood clot formation. We are interested in those properties of fibrin gels and fibrinogen that are connected with formation and dissolution of blood clots. Enzyme transport through clots plays an important role in clot dissolution. Dissolution velocity and spatial profil of the dissolved pattern has been observed with NMR imaging. Structure of the fibrin gel network is important for the transport of enzymes. NMR and scattering methods have been developed to extract fractal parameters that describe the structure of fibrin gel network. These parameters are connected with the enzyme transport through blood clots. Fundamental knowledge about these parameters during the clot dissolution can be used to improve current clinical methods for blood clot dissolution. Selected bibliography is given at: http://www2.ijs.si/čzidansek/biblio.txt
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