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pubmed-article:11515662rdf:typepubmed:Citationlld:pubmed
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pubmed-article:11515662pubmed:dateCreated2001-8-22lld:pubmed
pubmed-article:11515662pubmed:abstractTextSample preparation of tooth enamel for electron paramagnetic resonance (EPR) dosimetry usually involves mechanical operations. The present study shows that mechanical operations performed without water cooling generate a paramagnetic center inducing a stable isotropic EPR signal with g-value of 2.00320 and linewidth of about 0.1 mT. Using EPR spectrum simulation, the similarity between the mechanically induced signal and the signal generated when the enamel is heated in air at a temperature above 600 degrees C was investigated. Results indicate that the mechanically induced signal is related to sample temperature increase during mechanical friction.lld:pubmed
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pubmed-article:11515662pubmed:pagination375-82lld:pubmed
pubmed-article:11515662pubmed:dateRevised2006-11-15lld:pubmed
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pubmed-article:11515662pubmed:year2001lld:pubmed
pubmed-article:11515662pubmed:articleTitleMechanically induced EPR signals in tooth enamel.lld:pubmed
pubmed-article:11515662pubmed:affiliationIstituto Superiore di Sanità, Physics Laboratory, Rome, Italy.lld:pubmed
pubmed-article:11515662pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:11515662pubmed:publicationTypeIn Vitrolld:pubmed
pubmed-article:11515662pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed