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Pregled bibliografske jedinice broj: 586558

Adhesion signals of phospholipid vesicles at an electrified interface


Ivošević DeNardis, Nadica; Žutić, Vera; Svetličić, Vesna; Frkanec, Ruža
Adhesion signals of phospholipid vesicles at an electrified interface // ECHEMS 8th Electrochemistry in Molecular Surface Science and Molecular Catalysis / Francesco Paolucci (Conference Chair) (ur.).
Italija, 2012. str. FR.011-FR.011 (predavanje, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Adhesion signals of phospholipid vesicles at an electrified interface

Autori
Ivošević DeNardis, Nadica ; Žutić, Vera ; Svetličić, Vesna ; Frkanec, Ruža

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
ECHEMS 8th Electrochemistry in Molecular Surface Science and Molecular Catalysis / Francesco Paolucci (Conference Chair) - Italija, 2012, FR.011-FR.011

Skup
ECHEMS 8th Electrochemistry in Molecular Surface Science and Molecular Catalysis

Mjesto i datum
Bertinoro, Italija, 28.06-01.07.2012

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
adhesion signal; choline group; mercury electrode; phospholipid vesicles

Sažetak
General adhesion behavior of phospholipid vesicles was examined in a wide range of potentials at the mercury electrode by recording time-resolved adhesion signals. It was demonstrated that adhesion-based detection is sensitive to polar head groups in phospholipids vesicles (Ivošević DeNardis et al. 2007). We have identified a narrow potential window around the point of zero charge of electrode where the interaction of polar head groups of phosphatidylcholine vesicles with the substrate is manifested in the form of bidirectional signals. The bidirectional signal is composed of the charge flow due to the non-specific interaction of vesicle adhesion and spreading, and of the charge flow due to a specific interaction of the negatively charged electrode and the most exposed positively charged choline head groups. These signals are expected to appear only when the electrode surface charge density is less than the surface charge density of the choline groups at the contact interface. In comparison, for the negatively charged phosphatidylserine vesicles, we have identified the potential window at the mercury electrode where charge compensation takes place, and bidirectional signals were not detected. Reference N. Ivošević DeNardis, V. Žutić, V. Svetličić, R. Frkanec, J. Tomašić, Electroanal. 2007, 19, 2444-2450.

Izvorni jezik
Engleski

Znanstvena područja
Geologija, Kemija, Temeljne tehničke znanosti



POVEZANOST RADA


Projekti:
021-0212432-2431 - Nove formulacije antigena i imunostimulatora - utjecaj na imunoreakciju (Frkanec, Ruža, MZOS ) ( POIROT)
098-0982934-2744 - Površinske sile na atomskoj skali u istraživanju mora i nanotehnologiji (Svetličić, Vesna, MZOS ) ( POIROT)

Ustanove:
Imunološki zavod d.d.,
Institut "Ruđer Bošković", Zagreb


Citiraj ovu publikaciju:

Ivošević DeNardis, Nadica; Žutić, Vera; Svetličić, Vesna; Frkanec, Ruža
Adhesion signals of phospholipid vesicles at an electrified interface // ECHEMS 8th Electrochemistry in Molecular Surface Science and Molecular Catalysis / Francesco Paolucci (Conference Chair) (ur.).
Italija, 2012. str. FR.011-FR.011 (predavanje, međunarodna recenzija, sažetak, znanstveni)
Ivošević DeNardis, N., Žutić, V., Svetličić, V. & Frkanec, R. (2012) Adhesion signals of phospholipid vesicles at an electrified interface. U: Francesco Paolucci (Conference Chair) (ur.)ECHEMS 8th Electrochemistry in Molecular Surface Science and Molecular Catalysis.
@article{article, author = {Ivo\v{s}evi\'{c} DeNardis, Nadica and \v{Z}uti\'{c}, Vera and Svetli\v{c}i\'{c}, Vesna and Frkanec, Ru\v{z}a}, year = {2012}, pages = {FR.011-FR.011}, keywords = {adhesion signal, choline group, mercury electrode, phospholipid vesicles}, title = {Adhesion signals of phospholipid vesicles at an electrified interface}, keyword = {adhesion signal, choline group, mercury electrode, phospholipid vesicles}, publisherplace = {Bertinoro, Italija} }
@article{article, author = {Ivo\v{s}evi\'{c} DeNardis, Nadica and \v{Z}uti\'{c}, Vera and Svetli\v{c}i\'{c}, Vesna and Frkanec, Ru\v{z}a}, year = {2012}, pages = {FR.011-FR.011}, keywords = {adhesion signal, choline group, mercury electrode, phospholipid vesicles}, title = {Adhesion signals of phospholipid vesicles at an electrified interface}, keyword = {adhesion signal, choline group, mercury electrode, phospholipid vesicles}, publisherplace = {Bertinoro, Italija} }




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