{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,21]],"date-time":"2026-05-21T03:42:42Z","timestamp":1779334962546,"version":"3.51.4"},"reference-count":72,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2019,2,15]],"date-time":"2019-02-15T00:00:00Z","timestamp":1550188800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"National Institute of Justice, Office of Justice Programs, U.S. Department of Justice","award":["2011-DN-BX-K544"],"award-info":[{"award-number":["2011-DN-BX-K544"]}]}],"content-domain":{"domain":["analyticalsciencejournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Rapid Comm Mass Spectrometry"],"published-print":{"date-parts":[[2019,3,15]]},"abstract":"<jats:sec>\n                    <jats:title>Rationale<\/jats:title>\n                    <jats:p>\n                      Strontium isotope ratios (\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr) of hair may be a valuable tool to estimate human provenance. However, the systematics and mechanisms controlling spatial variation in\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr of modern human hair remain unclear. Here, we measure\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr of hair specimens from across the USA to assess the presence of geospatial relationships.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Ninety\u2010eight human hair specimens were collected from salon\/barbershop floors in 48 municipalities throughout the conterminous USA. [Sr] and\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratios were measured from hair using quadrupole and multi\u2010collector inductively coupled plasma mass spectrometers, respectively. The [Sr] and\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratios of hair were compared with the measured [Sr] and\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratios of tap waters from the collection locations. In addition, the\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratio of hair was compared with the modeled ratios of bedrock and surface waters.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Hair color was independent of the\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratio, but related to [Sr]. The\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratios of hair and leachate were not statistically different and were positively correlated; however, in several hair\u2010leachate pairs, the ratios were conspicuously different. The\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratios of both hair and leachate were linearly correlated with tap water. The\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratio of hair was also significantly correlated with the modeled ratio of bedrock and surface waters, although the\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratio of hair was most strongly correlated with the measured ratio of tap water.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      The\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratio of hair is related to the ratio of tap water, which varied geographically. The ratio of hair provided geographic information about an individual's recent residence. Differences in the\n                      <jats:sup>87<\/jats:sup>\n                      Sr\/\n                      <jats:sup>86<\/jats:sup>\n                      Sr ratios of hair and hair leachate may be concomitant with travel and could potentially be used as a screening tool to identify recent movements.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/rcm.8378","type":"journal-article","created":{"date-parts":[[2018,12,31]],"date-time":"2018-12-31T17:26:39Z","timestamp":1546277199000},"page":"461-472","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Strontium isotope ratios of human hair from the United States: Patterns and aberrations"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8994-8452","authenticated-orcid":false,"given":"Brett J.","family":"Tipple","sequence":"first","affiliation":[{"name":"Department of Biology University of 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