Tracking mobility using human hair: What can we learn from lead and strontium isotopes?

Vautour, Geneviève; Poirier, André; Wîdory, David

doi:10.1016/j.scijus.2014.10.001

Cited by 37 publications

(62 citation statements)

References 51 publications

(56 reference statements)

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“…However, there remains no consensus on the geospatial mechanism controlling the 87 Sr/ 86 Sr of hair. As an example, Font and colleagues found endogenous Sr to be the most significant contributor to the geospatial signal encoded in the 87 Sr/ 86 Sr of hair, while several other studies conversely found strong relationships between exogenous sources and the 87 Sr/ 86 Sr of hair . Therefore, separating the factors contributing to the 87 Sr/ 86 Sr of hair is paramount for utilizing this analytical tool in anthropologic studies …”

Section: Resultsmentioning

confidence: 63%

“…The average 87 Sr/ 86 Sr ratio of hair was 0.71059 ± 0.00234 (1σ, n = 98) and the ratio ranged from 0.70760 to 0.71962 (Table ). This range was larger than previous reports of 87 Sr/ 86 Sr of hair specimens collected within the same city or geographic region . Considering the large geographic area represented in this study and the known relationship between 87 Sr/ 86 Sr and geography, the observation of such a large range of 87 Sr/ 86 Sr ratios of hair might be expected (Figure ).…”

Section: Resultsmentioning

confidence: 99%

“…This externally sourced Sr becomes embedded within the keratin and is not easily removed by bathing or washing . The incorporation of exogenous Sr has been shown to alter the biological 87 Sr/ 86 Sr ratio of hair, and, thus, the endogenous geospatial information recorded by the isotopic signature …”

Section: Introductionmentioning

confidence: 96%

“…49 The incorporation of exogenous Sr has been shown to alter the biological 87 Sr/ 86 Sr ratio of hair, and, thus, the endogenous geospatial information recorded by the isotopic signature. 47,50,51 While the initial studies of Sr isotopes in modern human hair for geographic provenancing are promising, the application of the 87 Sr/ 86 Sr ratio of hair to reconstruct an individual's travel history presents a unique set of analytical and theoretical challenges as humans significantly modify their environment through the use of transported agricultural products and waters. Thus, the tissues of individuals that consume food from the "global supermarket" and drink/bathe with waters transported from distant regions are expected to have isotope ratios inconsistent with local isotopic signatures.…”

Section: Introductionmentioning

confidence: 99%

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Strontium isotope ratios of human hair from the United States: Patterns and aberrations

Tipple

Valenzuela

Chau

et al. 2019

Rapid Comm Mass Spectrometry

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Rationale Strontium isotope ratios (87Sr/86Sr) of hair may be a valuable tool to estimate human provenance. However, the systematics and mechanisms controlling spatial variation in 87Sr/86Sr of modern human hair remain unclear. Here, we measure 87Sr/86Sr of hair specimens from across the USA to assess the presence of geospatial relationships. Methods Ninety‐eight human hair specimens were collected from salon/barbershop floors in 48 municipalities throughout the conterminous USA. [Sr] and 87Sr/86Sr ratios were measured from hair using quadrupole and multi‐collector inductively coupled plasma mass spectrometers, respectively. The [Sr] and 87Sr/86Sr ratios of hair were compared with the measured [Sr] and 87Sr/86Sr ratios of tap waters from the collection locations. In addition, the 87Sr/86Sr ratio of hair was compared with the modeled ratios of bedrock and surface waters. Results Hair color was independent of the 87Sr/86Sr ratio, but related to [Sr]. The 87Sr/86Sr ratios of hair and leachate were not statistically different and were positively correlated; however, in several hair‐leachate pairs, the ratios were conspicuously different. The 87Sr/86Sr ratios of both hair and leachate were linearly correlated with tap water. The 87Sr/86Sr ratio of hair was also significantly correlated with the modeled ratio of bedrock and surface waters, although the 87Sr/86Sr ratio of hair was most strongly correlated with the measured ratio of tap water. Conclusions The 87Sr/86Sr 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 87Sr/86Sr ratios of hair and hair leachate may be concomitant with travel and could potentially be used as a screening tool to identify recent movements.

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Section: Resultsmentioning

confidence: 63%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Strontium isotope ratios of human hair from the United States: Patterns and aberrations

Tipple

Valenzuela

Chau

et al. 2019

Rapid Comm Mass Spectrometry

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“…[117] Infolge von Isotopenfraktionierungsprozessen schwanken die D/H-Verhältnisse von Lipiden in Abhängigkeit von den Wachstumsbedingungen erheblich, und die daraus resultierenden Muster haben ein enormes Potenzial als biogeochemische Indikatoren. [119] Ferner wird die Methode in der Wildtierforensik zur Verfolgung von Tierwanderungen [120] und in der kriminalistischen Tatortanalytik [121] angewendet. [119] Ferner wird die Methode in der Wildtierforensik zur Verfolgung von Tierwanderungen [120] und in der kriminalistischen Tatortanalytik [121] angewendet.…”

Section: Isotopeneffekte Bei Nicht-kovalenten Wechselwirkungenunclassified

Deuterium‐ und tritiummarkierte Verbindungen: Anwendungen in den modernen Biowissenschaften

Atzrodt¹,

Derdau²,

Kerr

et al. 2018

Angewandte Chemie

108

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Wasserstoffisotope sind einzigartige Werkzeuge zur Identifizierung und Erforschung biologischer oder chemischer Vorgänge. Wasserstoffisotopenmarkierungen erlauben den spurlosen und direkten Einbau einer zusätzlichen Masseneinheit oder eines radioaktiven Markers in ein organisches Molekül, und dies praktisch ohne Änderungen der chemischen Struktur, der physikalischen Eigenschaften oder der biologischen Aktivität. Die Verwendung von deuteriummarkierten Isotopologen zur Untersuchung der spezifischen massenspektrometrischen (MS) Muster, die von Gemischen biologisch relevanter Moleküle hervorgerufen werden, ermöglicht eine drastische Vereinfachung der Analyse. Solche Methoden ermöglichen nun tiefe Einblicke in einen großen, kontinuierlich anwachsenden Bereich von Anwendungen in den Biowissenschaften und darüber hinaus. Speziell Tritium (3H) wird zunehmend eingesetzt, insbesondere in der pharmazeutischen Wirkstoffsuche. Aufwand und Kosten der Synthese markierter Verbindungen werden durch die hohe Empfindlichkeit der Analyse und hohe Zuverlässigkeit der erhaltenen Daten mehr als ausgeglichen. In diesem Aufsatz werden Fortschritte bei der Verwendung von Wasserstoffisotopen in den Biowissenschaften beschrieben.

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The role of stable isotope analysis in forensic anthropology

Ubelaker

Francescutti

2020

Forensic Science and Humanitarian Action

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Tracking mobility using human hair: What can we learn from lead and strontium isotopes?

Cited by 37 publications

References 51 publications

Strontium isotope ratios of human hair from the United States: Patterns and aberrations

Strontium isotope ratios of human hair from the United States: Patterns and aberrations

Deuterium‐ und tritiummarkierte Verbindungen: Anwendungen in den modernen Biowissenschaften

The role of stable isotope analysis in forensic anthropology

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