Materiais Biocompatíveis/química; Teste de Materiais/métodos; Nanopartículas/química; Polietilenoimina/química; Polietilenoimina/síntese química; Células CACO-2; Sobrevivência Celular; Emulsões; Humanos; Espaço Intracelular/metabolismo; Metacrilatos/química; Metilmetacrilatos/química; Nanopartículas/ultraestrutura; Polimerização; Poliestirenos/química; Espectroscopia de Infravermelho com Transformada de Fourier; Eletricidade Estática; Propriedades de Superfície; Tensoativos/química

2,4,6-trinitrobenzene sulfonic acid; 2-hydroxyethyl methacrylate; 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide; ATCC; Am-P; American type culture collection; C(PEI); C(free); C(m); CLSM; CQ; Caco-2; Core­shell particle; D(cv); D(n); D(v); DC; DMEM; DMSO; Dulbecco's modified Eagle medium; ELS; FITC; FTIR; Fourier-transform infrared spectroscopy; G(PEI); HEMA; M(0); MMA; MTT; N(p); PBS; PDI; PEI; PTA; Photo-initiated polymerization; Polyethylenimine; R(S:C); SFEP; St; Surfactant-free; TBHP; TEM; TNBS; W(SN); amino groups per particle; camphorquinone; concentration of PEI in diluted supernatant; concentration of PEI used in the reaction; concentration of monomer used in the reaction; confocal laser scanning microscopy; degree of monomer conversion; dimethylsulfoxide; electrophoretic light scattering; fluorescein isothiocyanate; isoelectric pH; methyl methacrylate; molecular weight of PEI repeating unit; number of particles per volume; number-average diameter; pI; percentage of grafted PEI; phosphate buffered saline; phosphotungstic acid; polydispersity index; polyethylenimine; shell per core ratio; styrene; surfactant-free emulsion polymerization; tert-butylhydroperoxide; total weight of collected supernatant; transmission electron microscopy; volume-average diameter; volume-average diameter of the core