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Title of Journal: Biometals

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Abbravation: BioMetals

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Springer Netherlands

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DOI

10.1007/s10156-009-0713-9

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1572-8773

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After oxidation zinc nanoparticles lose their abi

Authors: Samantha Hagerty Yasmine Daniels Melissa Singletary Oleg Pustovyy Ludmila Globa William A MacCrehan Shin Muramoto Gheorghe Stan June W Lau Edward E Morrison Iryna Sorokulova Vitaly Vodyanoy
Publish Date: 2016/09/20
Volume: 29, Issue: 6, Pages: 1005-1018
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Abstract

Electrical responses of olfactory sensory neurons to odorants were examined in the presence of zinc nanoparticles of various sizes and degrees of oxidation The zinc nanoparticles were prepared by the underwater electrical discharge method and analyzed by atomic force microscopy and Xray photoelectron spectroscopy Small 12 ± 03 nm zinc nanoparticles significantly enhanced electrical responses of olfactory neurons to odorants After oxidation however these small zinc nanoparticles were no longer capable of enhancing olfactory responses Larger zinc oxide nanoparticles 15 nm and 70 nm also did not modulate responses to odorants Neither zinc nor zinc oxide nanoparticles produced olfactory responses when added without odorants The enhancement of odorant responses by small zinc nanoparticles was explained by the creation of olfactory receptor dimers initiated by small zinc nanoparticles The results of this work will clarify the mechanisms for the initial events in olfaction as well as to provide new ways to alleviate anosmia related to the loss of olfactory receptors

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