15N/14N

ID364
Name15N/14N
Synonymsd15N; Nitrogen stable isotope ratio
StructureThumb
Descriptiond15N = (Rsample - Rstandard)/(rstandard) * 1000 with R = 15N/14N and standard = atmospheric nitrogen / See: http://sisbl.uga.edu/stable.html. Expressed in ‰ (delta notation) which is a non SI relative unit (Slater 2001, DOI: 10.1002/rcm.328).
GroupMetals and minerals
Sub-groupMetals and minerals
Exposure sourceDiet
Use
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Biomarker measurements

Biomarker concentration values

IDParent IDDepthSubject groupPopulationCountryCountry codeCohortTime definitionBiospecimenAnalytical methodBiomarkerBiomarker detailMeasurement sizeDetected (nb)Detected (%)Detected only?Arithmethic meanArithmethic SDGeometric meanGeometric SDMinMin (detected)Percentile_05Percentile_10Percentile_25MedianPercentile_75Percentile_90Percentile_95MaxInterquartile rangeMean 95% CI lowerMean 95% CI upperGMean 95% CI lowerGMean 95% CI upperUnitConverted arithmetic meanConverted geometric meanConverted medianAdjustment typeAdjusted onRegressed onExpressed asPublication
36010All [by gender]Yup'ik Eskimos in southwest AlaskaUnited StatesUSCANHR I (Center for Alaska Native Health Research I)Red blood cell membrane, unspecifiedMass spectrometry (MS)15N/14N2218.51.26.412.1‰ (delta unit)8.5 ‰ (delta unit)CrudeO'Brien 2009
36040MalesYup'ik Eskimos in southwest AlaskaUnited StatesUSCANHR I (Center for Alaska Native Health Research I)Red blood cell membrane, unspecifiedMass spectrometry (MS)15N/14N978.41.16.411.6‰ (delta unit)8.4 ‰ (delta unit)CrudeO'Brien 2009
36070FemalesYup'ik Eskimos in southwest AlaskaUnited StatesUSCANHR I (Center for Alaska Native Health Research I)Red blood cell membrane, unspecifiedMass spectrometry (MS)15N/14N1248.71.26.712.1‰ (delta unit)8.7 ‰ (delta unit)CrudeO'Brien 2009

Intake values

No data available

Correlation values

Reproducibility values

No data available