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Technical Brief

Electromagnetic Fields Impede Growth and Adherence of Staphylococcus aureus on Endotracheal Tubing1

[+] Author and Article Information
Ashish Singal, Nicole Pardo

Medical Devices Center,
Center for Infectious Diseases & Microbiology Research,
University of Minnesota,
Minneapolis, MN 55455

Sing Sing Way

Pediatrics and Microbiology,
Center for Infectious Diseases & Microbiology Research,
University of Minnesota,
Minneapolis, MN 55455

Accepted and presented at the Design of Medical Devices Conference (DMD2014), Minneapolis, MN, April 7–10, 2014.

Manuscript received February 21, 2014; final manuscript received March 3, 2014; published online July 21, 2014. Editor: Arthur G. Erdman.

J. Med. Devices 8(3), 030904 (Jul 21, 2014) (2 pages) Paper No: MED-14-1104; doi: 10.1115/1.4027097 History: Received February 21, 2014; Revised March 03, 2014

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References

Cellini, L., Grande, R., Di Campli, E., Di Bartolomeo, S., Di Giulio, M., Robuffo, I., Trubiani, O., and Mariggiò, M. A., 2008, “Bacterial Response to the Exposure of 50 Hz Electromagnetic Fields,” Bioelectromagnetics, 29(4), pp. 302–311 [CrossRef]. [PubMed] [PubMed]
Fojt, L., Klapetek, P., Strasák, L., and Vetterl, V., 2009, “50 Hz Magnetic Field Effect on the Morphology of Bacteria,” Micron, 40(8), pp. 918–922. [CrossRef] [PubMed]
Ashraf, M., and Ostrosky-Zeichner, L., 2012, “Ventilator-Associated Pneumonia: A Review,” Hosp. Prac., 40(1), pp. 93–105. [CrossRef]

Figures

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Fig. 1

Experimental setup. A,B: incubators; PS: power supply; C: CW-EMF electronic circuits; D: PW-EMF electronic circuits; E: CW-EMF coils; F: PW-EMF coils.

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Fig. 2

OD600nm for all MRSA culture samples (n = 4)

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Fig. 3

OD600nm of MRSA bacterial detachment to ETT surface after 120 h of EMF exposure (n = 4)

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Fig. 4

Bacterial plating results of number of viable bacterial colonies attached to ETT after 24 h of incubation

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