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1 article(s) from Lara, Humberto H

Ultrastructural changes in methicillin-resistant Staphylococcus aureus induced by positively charged silver nanoparticles

Dulce G. Romero-Urbina,
Humberto H. Lara,
J. Jesús Velázquez-Salazar,
M. Josefina Arellano-Jiménez,
Eduardo Larios,
Anand Srinivasan,
Jose L. Lopez-Ribot and
Miguel José Yacamán

Beilstein J. Nanotechnol. 2015, 6, 2396–2405, doi:10.3762/bjnano.6.246

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Figure 1: (a) TEM micrograph of AgNPs. (b) Log–normal size distribution graph shows the average AgNP size of ...

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Figure 2: Zeta potential of AgNP solution (4,600 ppm) over a time of 120 h.

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Figure 3: (a) HAADF-STEM image of an untreated MRSA cell. (b) High magnification image of a MRSA cell wall co...

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Figure 4: MSSA cell STEM image. (a) MSSA cell showing AgNP attachment on the cell wall. (b) High magnificatio...

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Figure 5: STEM micrograph of cell envelope of MSSA treated with AgNPs. (1) Cytoplasm, (2) cytoplasmic membran...

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Figure 6: MSSA STEM micrographs. (a,b) (1) WTAs and CWGs (≈3 nm). (2) Interactions between AgNPs and a cell w...

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Figure 7: HAADF-STEM micrographs of MRSA cells. (a) MRSA cells surrounded by AgNPs, with AgNPs smaller than 1...

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Figure 8: MRSA STEM images. (a) (1) WTAs and CWGs (≈3 nm). (b) (2) AgNPs interacting with CWGs. (3) Membrane ...

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Figure 9: SEM images show cell size and morphology along with AgNPs interacting to the cell surface for (a) a...

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Figure 10: (a) AgNPs inside of a MRSA cell. EDS analysis was performed on one particle, label 1. (b) The EDS s...

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Figure 11: AgNP size distributions for particles (a) inside and (b) outside of S. aureus cells after treatment...

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Published 15 Dec 2015

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