Abstract:
Aim: Amino functionalization is a first step modification aiming to achieve biomedical applications of silicon nanoparticles, for example, for photodynamic therapy or radiotherapy. Nevertheless, toxicity and low quantum yields due to the positive charge of amino groups emerge as a problem that could be solved with subsequent derivatizations. Materials & methods: Folic and PEG-conjugated nanoparticles were obtained from amino-functionalized silicon nanoparticle (NH 2 SiNP). Cytotoxicity was determined on a tumor cell line at low and high concentrations. Four end points of in vivo toxicity were evaluated on zebrafish (Danio rerio). Results: Folic acid functionalization reduced the cytotoxicity in comparison to amino and PEG-functionalized nanoparticles. In zebrafish, folic functionalization lowered toxicity in general while PEG increased it. Conclusion: Functionalization of NH 2 SiNP with folic acid reduced the toxic effects in vitro and in vivo. This could be useful for therapeutic applications. PEG functionalization did not lower the toxicity. © 2019 2019 Future Medicine Ltd.
Registro:
Documento: |
Artículo
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Título: | Comparative toxicity of PEG and folate-derived blue-emitting silicon nanoparticles: In vitro and in vivo studies |
Autor: | Calienni, M.N.; Lillo, C.R.; Prieto, M.J.; Gorojod, R.M.; Alonso, S.D.V.; Kotler, M.L.; Gonzalez, M.C.; Montanari, J. |
Filiación: | Laboratorio de Biomembranas - GBEyB (IMBICE CCT-La Plata, CONICET), Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Bernal, 1876, Argentina Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), CCT-La Plata-CONICET, Universidad Nacional de La Plata, La Plata, 1900, Argentina Instituto de Nanosistemas (INS), Universidad Nacional de San Martin, San-Martín, 1650, Argentina CONICET-Universidad de Buenos Aires, Instituto de Química Biológica Ciencias Exactas y Naturales (IQUIBICEN), Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Disfunción Celular en Enfermedades Neurodegenerativas y Nanomedicina, Ciudad Autónoma de Buenos Aires, 1428, Argentina
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Palabras clave: | folic acid; silicon nanoparticles; zebrafish |
Año: | 2019
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Volumen: | 14
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Número: | 4
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Página de inicio: | 375
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Página de fin: | 385
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DOI: |
http://dx.doi.org/10.2217/nnm-2018-0251 |
Título revista: | Nanomedicine
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Título revista abreviado: | Nanomedicine
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ISSN: | 17435889
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17435889_v14_n4_p375_Calienni |
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Citas:
---------- APA ----------
Calienni, M.N., Lillo, C.R., Prieto, M.J., Gorojod, R.M., Alonso, S.D.V., Kotler, M.L., Gonzalez, M.C.,..., Montanari, J.
(2019)
. Comparative toxicity of PEG and folate-derived blue-emitting silicon nanoparticles: In vitro and in vivo studies. Nanomedicine, 14(4), 375-385.
http://dx.doi.org/10.2217/nnm-2018-0251---------- CHICAGO ----------
Calienni, M.N., Lillo, C.R., Prieto, M.J., Gorojod, R.M., Alonso, S.D.V., Kotler, M.L., et al.
"Comparative toxicity of PEG and folate-derived blue-emitting silicon nanoparticles: In vitro and in vivo studies"
. Nanomedicine 14, no. 4
(2019) : 375-385.
http://dx.doi.org/10.2217/nnm-2018-0251---------- MLA ----------
Calienni, M.N., Lillo, C.R., Prieto, M.J., Gorojod, R.M., Alonso, S.D.V., Kotler, M.L., et al.
"Comparative toxicity of PEG and folate-derived blue-emitting silicon nanoparticles: In vitro and in vivo studies"
. Nanomedicine, vol. 14, no. 4, 2019, pp. 375-385.
http://dx.doi.org/10.2217/nnm-2018-0251---------- VANCOUVER ----------
Calienni, M.N., Lillo, C.R., Prieto, M.J., Gorojod, R.M., Alonso, S.D.V., Kotler, M.L., et al. Comparative toxicity of PEG and folate-derived blue-emitting silicon nanoparticles: In vitro and in vivo studies. Nanomedicine. 2019;14(4):375-385.
http://dx.doi.org/10.2217/nnm-2018-0251