1997
DOI: 10.1016/s0378-5173(97)00242-1
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Preparation, characterization and cytotoxicity of methylmethacrylate copolymer nanoparticles with a permanent positive surface charge

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Cited by 49 publications
(29 citation statements)
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“…Este parâmetro é determinado utilizando-se técnicas de eletroforese 75,78,87 . Os fosfolipídeos (lecitinas), os poloxamers (copolímeros dos óxidos de etileno e de propileno) e os polímeros constituintes das nanopartículas são os principais componentes presentes nas formulações capazes de influenciar o potencial zeta.…”
Section: Potencial Zetaunclassified
“…Este parâmetro é determinado utilizando-se técnicas de eletroforese 75,78,87 . Os fosfolipídeos (lecitinas), os poloxamers (copolímeros dos óxidos de etileno e de propileno) e os polímeros constituintes das nanopartículas são os principais componentes presentes nas formulações capazes de influenciar o potencial zeta.…”
Section: Potencial Zetaunclassified
“…The negative charge of cell membranes facilitates anchoring of positively charged NPs to the cell surface, thus favoring endocytosis. 46 For modified NP surfaces with carboxyl and amino side groups, a clear correlation of surface charge and endocytosis has been shown for several cell lines 36,47 In general, positively charged particles independently of the material type seem to induce cell death 41,48 , although this correlation is not fully understood and multiple entry pathways might be responsible. 49 42 However, also negatively charged NPs were shown to have enhanced uptake as compared to non-charged NPs.…”
Section: The Role Of Surface Charge and Protein Corona On Np Uptakementioning
confidence: 99%
“…18 Briefly, appropriate amounts of monomers were dissolved in either water or ethanol. The polymerization reactions were initiated by adding 0.5% w/w of 2,2'-Azobis[2-(2-imidazolin-2-yl)propane]dihydrochloride and the reactions were carried out at 63°C for 24 h. Polymers were isolated by membrane dialysis against deionized water at room temperature using a Spectra/Por Cellulose Ester membrane and the final products were collected by lyophilization.…”
Section: Preparation Of Plasmid Dnamentioning
confidence: 99%