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- Small Angle Scattering and Zeta Potential of Liposomes Loaded with Octa(carboranyl)porphyrazine doi link

Auteur(s): Salvati Anna, Ristori Sandra, Oberdisse J., Spalla Olivier, Ricciardi Giampaolo, Pietrangeli Daniela, Giustini Mauro, Martini Giacomo

(Article) Publié: The Journal Of Physical Chemistry B, vol. 111 p.10357-10364 (2007)
Texte intégral en Openaccess : arxiv


Ref HAL: hal-00170093_v1
PMID 17696389
Ref Arxiv: 0709.0830
DOI: 10.1021/jp0731710
WoS: 000249169800004
Ref. & Cit.: NASA ADS
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Résumé:

In this work the physicochemical characterization of liposomes loaded with a newly synthesised carboranyl porphyrazine (H2HECASPz) is described. This molecule represents a potential drug for different anticancer therapies, such as Boron Neutron Capture Therapy, Photodynamic Therapy and Photothermal Therapy. Different loading methods and different lipid mixtures were tested. The corresponding loaded vectors were studied by Small Angle Scattering (SANS and SAXS), light scattering and zeta potential. The combined analysis of structural data at various length scales and the measurement of the surface charge allowed to obtain a detailed characterization of the investigated systems. The mechanisms underlying the onset of differences in relevant physicochemical parameters (size, polydispersity and charge) were also critically discussed.