The aim of this study is to formulate and characterize streptomycin-loaded apoferritin nanoparticles (ApoStrep NPs) for their potential therapeutic use in bacterial resistant infections (i.e. tuberculosis). ApoStrep NPs were prepared by disassembly/reassembly process via pH method and changing apoferritin/drug molar ratio, purified by dialyses process also associated with gel filtration chromatography and characterized in their chemico-physical and technological parameters as yield, size distribution, polidispersivity, morphology, internal structure, zeta potential and loading efficacy. The results showed that spherical reproducible NPs could be obtained by using apoferritin/drug molar ratio lower than 1:25 and purification based on the combination of dialysis and gel filtration chromatography. Photon correlation spectroscopy, Uv–visible detection and electron microscopy showed the maintenance of the native apoferritin chemico-physical properties and structure. When formulated with apoferritin/drug 1:10 and 1:25 molar ratio, ApoStrep NPs showed remarkable encapsulation efficacy (35% and 28%, respectively) along with kinetic profile of drug delivery, approximately 15% at 37 °C in 72 h, as evidenced by “in vitro” release experiments.
Apoferritin nanocage as streptomycin drug reservoir: Technological optimization of a new drug delivery system / Ruozi, Barbara; Veratti, Patrizia; Vandelli, Maria Angela; Tombesi, Andrea; Tonelli, Massimo; Forni, Flavio; Pederzoli, Francesca; Belletti, Daniela; Tosi, Giovanni. - In: INTERNATIONAL JOURNAL OF PHARMACEUTICS. - ISSN 0378-5173. - 518:1-2(2017), pp. 281-288. [10.1016/j.ijpharm.2016.12.038]
Data di pubblicazione: | 2017 | |
Data di prima pubblicazione: | 23-dic-2016 | |
Titolo: | Apoferritin nanocage as streptomycin drug reservoir: Technological optimization of a new drug delivery system | |
Autore/i: | Ruozi, Barbara; Veratti, Patrizia; Vandelli, Maria Angela; Tombesi, Andrea; Tonelli, Massimo; Forni, Flavio; Pederzoli, Francesca; Belletti, Daniela; Tosi, Giovanni | |
Autore/i UNIMORE: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.ijpharm.2016.12.038 | |
Rivista: | ||
Volume: | 518 | |
Fascicolo: | 1-2 | |
Pagina iniziale: | 281 | |
Pagina finale: | 288 | |
Codice identificativo ISI: | WOS:000394402100029 | |
Codice identificativo Scopus: | 2-s2.0-85008956958 | |
Codice identificativo Pubmed: | 28017769 | |
Citazione: | Apoferritin nanocage as streptomycin drug reservoir: Technological optimization of a new drug delivery system / Ruozi, Barbara; Veratti, Patrizia; Vandelli, Maria Angela; Tombesi, Andrea; Tonelli, Massimo; Forni, Flavio; Pederzoli, Francesca; Belletti, Daniela; Tosi, Giovanni. - In: INTERNATIONAL JOURNAL OF PHARMACEUTICS. - ISSN 0378-5173. - 518:1-2(2017), pp. 281-288. [10.1016/j.ijpharm.2016.12.038] | |
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