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Andreia Forte
LAQV-REQUIMTE, Departamento de Química da Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal

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Journal article
Published: 05 February 2021 in Pharmaceutics
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Mesoporous silica nanoparticles (MSNs) are very promising nanomaterials for treating bacterial infections when combined with pharmaceutical drugs. Herein, we report the preparation of two nanomaterials based on the immobilization of ciprofloxacin in mesoporous silica nanoparticles, either as the counter-ion of the choline derivative cation (MSN-[Ch][Cip]) or via anchoring on the surface of amino-group modified MSNs via an amide bond (MSN-Cip). Both nanomaterials were characterized by TEM, FTIR and solution 1H NMR spectroscopies, elemental analysis, XRD and N2 adsorption at 77 K in order to provide the desired structures. No cytotoxicity from the prepared mesoporous nanoparticles on 3T3 murine fibroblasts was observed. The antimicrobial activity of the nanomaterials was determined against Gram-positive (Staphylococcus aureus and Bacillus subtilis) and Gram-negative (Klebsiella pneumoniae) bacteria and the results were promising against S. aureus. In the case of B. subtilis, both nanomaterials exhibited higher antimicrobial activity than the precursor [Ch][Cip], and in the case of K. pneumoniae they exhibited higher activity than neutral ciprofloxacin.

ACS Style

Blanca De Juan Mora; Luís Filipe; Andreia Forte; Miguel Santos; Celso Alves; Fernando Teodoro; Rui Pedrosa; Manuela Ribeiro Carrott; Luís Branco; Sandra Gago. Boosting Antimicrobial Activity of Ciprofloxacin by Functionalization of Mesoporous Silica Nanoparticles. Pharmaceutics 2021, 13, 218 .

AMA Style

Blanca De Juan Mora, Luís Filipe, Andreia Forte, Miguel Santos, Celso Alves, Fernando Teodoro, Rui Pedrosa, Manuela Ribeiro Carrott, Luís Branco, Sandra Gago. Boosting Antimicrobial Activity of Ciprofloxacin by Functionalization of Mesoporous Silica Nanoparticles. Pharmaceutics. 2021; 13 (2):218.

Chicago/Turabian Style

Blanca De Juan Mora; Luís Filipe; Andreia Forte; Miguel Santos; Celso Alves; Fernando Teodoro; Rui Pedrosa; Manuela Ribeiro Carrott; Luís Branco; Sandra Gago. 2021. "Boosting Antimicrobial Activity of Ciprofloxacin by Functionalization of Mesoporous Silica Nanoparticles." Pharmaceutics 13, no. 2: 218.