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Polyion-Induced Aggregation of Lipidic-Coated Solid Polystyrene Spheres: The Many Facets of Complex Formation in Low-Density Colloidal Suspensions

Autor: C. Cametti, S. Zuzzi, Giuseppe Onori

Publikováno v: Langmuir 24 (2008): 6044–6049.
info:cnr-pdr/source/autori:Zuzzi, S; Cametti, C; Onori, G/titolo:Polyion-induced aggregation of lipidic-coated solid polystyrene spheres: The many facets of complex formation in low-density colloidal suspensions/doi:/rivista:Langmuir/anno:2008/pagina_da:6044/pagina_a:6049/intervallo_pagine:6044–6049/volume:24

We have investigated the formation of a cluster phase in low-density colloidal systems formed by charged solid charged particles stuck together by an oppositely charged polyion. In analogy with what we have previously observed in the case of soft cha

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::917bae0cd01c37304772d51ea71098b9
https://doi.org/10.1021/la8005458

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The new EPR molecular oxygen probe fusinite is not toxic to cells

Autor: M T, Santini, C, Cametti, E, Straface, A, Floridi, F, Flamma, S, Paradisi, W, Malorni, G, Morelli

Publikováno v: Biochimica et Biophysica Acta (BBA) - General Subjects. 1379:161-170

The possible cytotoxic effects of fusinite, a new charcoal-like electron paramagnetic resonance (EPR) oxygen probe, were evaluated in three cell types with very different characteristics and growth features: K562 (an erythroleukemic cell line which g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b8560da9d165c1b42253aed0ff6718b
https://doi.org/10.1016/s0304-4165(97)00096-2

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Polyion-induced aggregation of oppositely charged liposomes and charged colloidal particles: The many facets of complex formation in low-density colloidal systems

Autor: C. Cametti

This review focusses on recent developments in the experimental study of polyion-induced charged colloidal particle aggregation, with particular emphasis on the formation of cationic liposome clusters induced by the addition of anionic adsorbing poly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7094a8c4d79a155c456326e0a0a8b0bf
http://hdl.handle.net/11573/35024

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Electrical conductivity behavior of poly(L-glutamic acid) in sodium chloride electrolyte solutions: effect of polyion conformation

Autor: A. R. Bizzarri, F. Bordi, C. Cametti

Publikováno v: The Journal of Physical Chemistry. 94:2166-2171

The electrical conductivity of aqueous solutions of poly(L-glutamic acid) of three different degrees of polymerization has been measured as a function of polymer content at different NaCl concentrations, from 10 −4 to 3×10 −2 mol/L

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a42110e2e8f762b996e78b106c80a51
https://doi.org/10.1021/j100368a079

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Dielectric behavior of lipid vesicles: the case of L-alpha-dipalmitoylphosphatidylcholine vesicles as a function of size and temperature

Autor: Francesco Castelli, G. Briganti, C. Cametti, Antonio Raudino

Publikováno v: Langmuir : the ACS journal of surfaces and colloids. 23(14)

We present an extensive set of radio wave dielectric relaxation spectroscopy measurements of aqueous suspensions of different size unilamellar L-alpha-dipalmitoylphosphatidylcholine (DPPC) vesicles, in a temperature range between 15 and 55 C, where t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b894a4c05f78c819d49479d53e7804bf
https://pubmed.ncbi.nlm.nih.gov/17539665

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Akademický článek

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Biomembranes

Autor: F. Bordi, C. Cametti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5625e9cbb31abe9513365447bf69a9c0
https://doi.org/10.1016/b0-12-369401-9/00385-5

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Azurin self-assembled monolayers characterized by coupling electrical impedance Spectroscopy and spectroscopic ellipsometry

Autor: C. Cametti, Mirko Prato, Ornella Cavalleri, Federico Bordi, Alessandra Gliozzi, and M. Canepa

We present a combined study of azurin monolayers deposited on both bare and hexadecanethiol-covered gold surfaces carried out by coupling two independent techniques, in situ electrical impedance spectroscopy (EIS) and ex situ spectroscopic ellipsomet

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3656d3c14ddf5ec3550a44999361fbf
http://hdl.handle.net/11573/72697

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Scaling Behaviour of the high-frequency dielectric properties of poly-l-lysine aqueous solutions

Autor: Federico Bordi, A. Motta, C. Cametti

We report the scaling behavior of the dielectric parameters, the dielectric strength Δe and the relaxation time τ, of the high-frequency dielectric dispersions observed in aqueous solutions of poly-l-lysine of different molecular weights, from 4000

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07f816549bb350df766d3aae44de5ab8
http://hdl.handle.net/11573/255836

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Menadione induces changes in the membrane electrical properties associated with downregulation of insulin receptors in human erythrocytes

Autor: M T, Santini, C, Cametti, P L, Indovina, S W, Peterson

Publikováno v: Experimental hematology. 26(6)

We have demonstrated using dielectric relaxation measurements in the radiofrequency range that the electrical properties of human erythrocytes (membrane conductivity and permittivity as well as the conductivity of the cytosol) undergo a steady decrea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::5a1d5e3d9b07bb32c62f23ccd44fe6df
https://pubmed.ncbi.nlm.nih.gov/9620279

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