Title |
Development of gold nanoparticles coated with silica containing the antibiofilm drug cinnamaldehyde and their effects on pathogenic bacteria
|
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Published in |
International Journal of Nanomedicine, April 2017
|
DOI | 10.2147/ijn.s132784 |
Pubmed ID | |
Authors |
Mohankandhasamy Ramasamy, Jin-Hyung Lee, Jintae Lee |
Abstract |
Emerging resistance to antibiotics is a mounting worldwide health concern and increases the need for nonantibiotic strategies to combat infectious diseases caused by bacterial pathogens. In this study, the authors used the antibiofilm activity of the naturally occurring antimicrobial cinnamaldehyde (CNMA) conjugated to the surface of gold nanoparticles (GNPs) to deliver CNMA efficiently and eradicate biofilms of Gram-negative organisms (enterohemorrhagic Escherichia coli O157:H7, and Pseudomonas aeruginosa), Gram positive (methicillin-sensitive Staphylococcus aureus organisms, and methicillin-resistant Staphylococcus aureus) bacteria. CNMA-GNPs containing 0.005% (v/v) of CNMA were found to inhibit biofilm formation efficiently. The distributions of nanoparticles in biofilm cells and their biofilm disruption activities, including distorted cell morphology, were determined by transmission electron microscopy. In addition to their antibiofilm activities, CNMA-GNPs attenuated S. aureus virulence and protected Caenorhabditis elegans (C. elegans) worms. Here, the authors report the antibiofilm effects of CNMA-GNPs and suggest that they could be used to treat pathogenic bacterial infections in vivo. |
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Geographical breakdown
Country | Count | As % |
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United States | 2 | 22% |
France | 1 | 11% |
Unknown | 6 | 67% |
Demographic breakdown
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Members of the public | 7 | 78% |
Scientists | 1 | 11% |
Practitioners (doctors, other healthcare professionals) | 1 | 11% |
Mendeley readers
Geographical breakdown
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Unknown | 86 | 100% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Ph. D. Student | 14 | 16% |
Student > Master | 13 | 15% |
Student > Bachelor | 8 | 9% |
Researcher | 7 | 8% |
Student > Doctoral Student | 5 | 6% |
Other | 16 | 19% |
Unknown | 23 | 27% |
Readers by discipline | Count | As % |
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Chemistry | 9 | 10% |
Agricultural and Biological Sciences | 8 | 9% |
Pharmacology, Toxicology and Pharmaceutical Science | 6 | 7% |
Medicine and Dentistry | 6 | 7% |
Other | 18 | 21% |
Unknown | 30 | 35% |