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New hybrid material based on layered double hydroxides and biogenic silver nanoparticles: antimicrobial activity and cytotoxic effect
| Content Provider | Scientific Electronic Library Online (SciELO) |
|---|---|
| Author | Marcato, Priscyla D. Parizotto, Natália V. Martinez, Diego Stéfani T. Paula, Amauri J. Ferreira, Iasmin R. Melo, Patrícia S. Durán, Nelson Alves, Oswaldo L. |
| Abstract | Layered double hydroxides (LDHs) have been widely investigated due to their several applications in the material and biotechnology industries. The combination of silver nanoparticles with biocompatible LDH material can create a new hybrid material with new properties. In this work, biogenic silver nanoparticles (AgNPbio) were associated with Mg-Al LDH to obtain the hybrid material LDH-AgNPbio. The new hybrid material obtained was characterized by X-ray diffractometry (XRD), scanning electron microscopy with energy-dispersive X-ray spectroscopy (SEM-EDS), transmission electron microscopy (TEM), inductively coupled plasma optical emission spectrometry (ICP-OES) and Fourier transform infrared spectroscopy (FTIR). LDH was efficient to absorb silver nanoparticles due to an opposite surface charge between AgNPbio (ζ = -13.2 mV) and LDH (ζ = +3.2 mV). Furthermore, AgNPbio was not lixiviated from LDH-AgNPbio, even after five washes, indicating a strong interaction. An important property of this hybrid material was its antimicrobial activity against Staphylococcus aureus and Escherichia coli and absence of cytotoxic effect to fibroblast cell (V79). This hybrid material is an interesting and promising nanobiocomposite for biomedical and cosmetic applications. |
| Related Links | http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0103-50532013000200013&lng=en&nrm=iso http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532013000200013&lng=en&nrm=iso |
| Starting Page | 266 |
| Ending Page | 272 |
| Page Count | 7 |
| File Format | |
| ISSN | 01035053 |
| DOI | 10.5935/0103-5053.20130034 |
| Journal | Journal of the Brazilian Chemical Society |
| Issue Number | 2 |
| Volume Number | 24 |
| Language | English |
| Publisher | Sociedade Brasileira de Química |
| Publisher Date | 2013-02-01 |
| Publisher Institution | Universidade de Campinas Laboratório de Química do Estado Sólido Faculdade Integrada Metropolitana de Campinas Universidade de Campinas Instituto de Química Laboratório de Química Biológica |
| Publisher Place | Brazil |
| Access Restriction | Open |
| Subject Keyword | Silver nanoparticles Hydrotalcite Antimicrobial activity Cytotoxicity |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
