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. 2017 Mar 16;12:2109–2115. doi: 10.2147/IJN.S130608

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© 2017 Machado and Webster. This work is published and licensed by Dove Medical Press Limited

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XPS survey spectra of the soaked Sheridan^© PVC ETT compared to previously reported spectra.

Notes: (A) Untreated as compared to¹⁰,²⁷ (B) treated with a 0.1% Rhizopus arrhizus solution (nano-R).¹⁰,²⁷ XPS spectra of Sheridan^© PVC ETT immersed in TSB for 24 hours (C) untreated as compared to (D) treated with a 0.1% R. arrhizus solution (nano-R).

Abbreviations: E, energy; ETT, endotracheal tube; N(E), number of emitted electrons as a function of energy; PVC, polyvinyl chloride; TSB, tryptic soy broth; XPS, X-ray photoelectron spectroscopy.