Oligonucleotides-decorated-poly(N-vinyl pyrrolidone) nanogels for gene delivery

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22 Citazioni (Scopus)

Abstract

Pulsed electron-beam irradiation of a semi-dilute poly(N-vinyl pyrrolidone) (PVP) aqueous solution in the presence ofacrylic acid has led to a carboxyl functionalized nanogel system. Nanoparticles hydrodynamic size and surface charge density, in waterand as a function of pH, were investigated by dynamic light scattering and laser doppler velocimetry, respectively. Nanogels (NGs)were proved not to be cytotoxic at the cellular level. Indeed, they rapidly bypass the cellular membrane to accumulate in specific cellportions of the cytoplasm, in the perinuclear area. The availability of pendant carboxyl groups on the crosslinked PVP NGs coreprompted us to attempt their decoration with a single strand oligonucleotide, which holds a terminal amino group. The recognitionability of the attached single helix of its complementary strand was investigated.
Lingua originaleEnglish
pagine (da-a)39774-39781
Numero di pagine8
RivistaJournal of Applied Polymer Science
Volume131
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.2500.2508???
  • ???subjectarea.asjc.2500.2507???
  • ???subjectarea.asjc.2500.2505???

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