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Spin-labelling study of interactions of ovalbumin with multilamellar liposomes and specific anti-ovalbumin antibodies (CROSBI ID 125762)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Brgles, Marija ; Mirosavljević, Krunoslav ; Noethig-Laslo, Vesna ; Frkanec, Ruža ; Tomašić, Jelka Spin-labelling study of interactions of ovalbumin with multilamellar liposomes and specific anti-ovalbumin antibodies // International journal of biological macromolecules, 40 (2007), 4; 312-318-x

Podaci o odgovornosti

Brgles, Marija ; Mirosavljević, Krunoslav ; Noethig-Laslo, Vesna ; Frkanec, Ruža ; Tomašić, Jelka

engleski

Spin-labelling study of interactions of ovalbumin with multilamellar liposomes and specific anti-ovalbumin antibodies

Ovalbumin (OVA) has been used continuously as the model antigen in numerous studies of immune reactions and antigen processing, very often encapsulated into liposomes. The purpose of this work was to study the possible interactions of spin-labelled OVA and lipids in liposomal membranes using electron spin resonance (ESR) spectroscopy. OVA was covalently spin-labelled with 4-maleimido-2, 2, 6, 6-tetramethylpiperidine-1-oxyl (TEMPO-maleimide), characterized and encapsulated into multilamellar, negatively charged liposomes. ESR spectra of this liposomal preparation gave evidence for the interaction of OVA with the lipid bilayers. Such an interaction was also evidenced by the ESR spectra of liposomal preparation containing OVA, where liposomes were spin-labelled with n-doxyl stearic acids. The spin-labelled OVA retains its property to bind specific anti-OVA antibodies, as shown by ESR spectroscopy, but also in ELISA for specific anti-OVA IgG.

spin-labelled ovalbumin; multilamellar liposomes; anti-ovalbumin antibodies

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Podaci o izdanju

40 (4)

2007.

312-318-x

objavljeno

0141-8130

Povezanost rada

Kemija, Temeljne medicinske znanosti

Indeksiranost