Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption?
Eighty samples of hair from women of child-bearing age from Nome, Alaska, and seven control samples from women living in Sequim, Washington, were analyzed for mercury concentration by segmental analysis in an effort to determine whether seasonal fluctuations in mercury concentration in the hair samp...
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Pacific Northwest Laboratory
1992
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ftunivnotexas:info:ark/67531/metadc1386977 2023-05-15T17:23:59+02:00 Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption? Lasorsa, B. United States. Department of Energy. 1992-06-01 15 p. Text https://digital.library.unt.edu/ark:/67531/metadc1386977/ English eng Pacific Northwest Laboratory other: DE92019081 rep-no: PNL-SA--20189 rep-no: CONF-9205230--1 grantno: AC06-76RL01830 osti: 10171938 https://digital.library.unt.edu/ark:/67531/metadc1386977/ ark: ark:/67531/metadc1386977 Mercury as a global pollutant: toward integration and synthesis,Monterey, CA (United States),31 May - 4 Jun 1992 Diet 560300 63 Radiation Thermal And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat Alaska Mercury Chemicals Metabolism And Toxicology Hair Ecological Concentration Man Women Seasonal Variations Article 1992 ftunivnotexas 2019-01-05T23:08:10Z Eighty samples of hair from women of child-bearing age from Nome, Alaska, and seven control samples from women living in Sequim, Washington, were analyzed for mercury concentration by segmental analysis in an effort to determine whether seasonal fluctuations in mercury concentration in the hair samples can be correlated to seasonal seafood consumption. Full-length hair strands were analyzed in 1.1-cm segments representing 1 month`s growth using a strong acid digestion and cold vapor atomic fluorescence analysis. It was assumed that the concentration of mercury in each segment is an indicator of the mercury body burden during the month in which the segment emerged from the scalp. Eighteen of the samples show seasonal variability, with five of the controls and one Nome resident showing winter highs while all Nome residents show summer highs. Twenty-six of the samples show an increase in mercury concentration toward the distal end of the strand regardless of month of growth. The trend of increasing mercury concentrations toward the distal end of the hair strand regardless of month of emergence, and the documented presence of elevated levels of elemental mercury in the Nome area suggest that these elevated levels may actually be due to external contamination of the hair strands by adsorption and not due to ingestion of contaminated foodstuffs such as seafood. Article in Journal/Newspaper Nome Alaska University of North Texas: UNT Digital Library |
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University of North Texas: UNT Digital Library |
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ftunivnotexas |
language |
English |
topic |
Diet 560300 63 Radiation Thermal And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat Alaska Mercury Chemicals Metabolism And Toxicology Hair Ecological Concentration Man Women Seasonal Variations |
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Diet 560300 63 Radiation Thermal And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat Alaska Mercury Chemicals Metabolism And Toxicology Hair Ecological Concentration Man Women Seasonal Variations Lasorsa, B. Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption? |
topic_facet |
Diet 560300 63 Radiation Thermal And Other Environ. Pollutant Effects On Living Orgs. And Biol. Mat Alaska Mercury Chemicals Metabolism And Toxicology Hair Ecological Concentration Man Women Seasonal Variations |
description |
Eighty samples of hair from women of child-bearing age from Nome, Alaska, and seven control samples from women living in Sequim, Washington, were analyzed for mercury concentration by segmental analysis in an effort to determine whether seasonal fluctuations in mercury concentration in the hair samples can be correlated to seasonal seafood consumption. Full-length hair strands were analyzed in 1.1-cm segments representing 1 month`s growth using a strong acid digestion and cold vapor atomic fluorescence analysis. It was assumed that the concentration of mercury in each segment is an indicator of the mercury body burden during the month in which the segment emerged from the scalp. Eighteen of the samples show seasonal variability, with five of the controls and one Nome resident showing winter highs while all Nome residents show summer highs. Twenty-six of the samples show an increase in mercury concentration toward the distal end of the strand regardless of month of growth. The trend of increasing mercury concentrations toward the distal end of the hair strand regardless of month of emergence, and the documented presence of elevated levels of elemental mercury in the Nome area suggest that these elevated levels may actually be due to external contamination of the hair strands by adsorption and not due to ingestion of contaminated foodstuffs such as seafood. |
author2 |
United States. Department of Energy. |
format |
Article in Journal/Newspaper |
author |
Lasorsa, B. |
author_facet |
Lasorsa, B. |
author_sort |
Lasorsa, B. |
title |
Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption? |
title_short |
Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption? |
title_full |
Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption? |
title_fullStr |
Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption? |
title_full_unstemmed |
Trends in mercury concentrations in the hair of women of Nome, Alaska - Evidence of seafood consumption or abiotic absorption? |
title_sort |
trends in mercury concentrations in the hair of women of nome, alaska - evidence of seafood consumption or abiotic absorption? |
publisher |
Pacific Northwest Laboratory |
publishDate |
1992 |
url |
https://digital.library.unt.edu/ark:/67531/metadc1386977/ |
genre |
Nome Alaska |
genre_facet |
Nome Alaska |
op_source |
Mercury as a global pollutant: toward integration and synthesis,Monterey, CA (United States),31 May - 4 Jun 1992 |
op_relation |
other: DE92019081 rep-no: PNL-SA--20189 rep-no: CONF-9205230--1 grantno: AC06-76RL01830 osti: 10171938 https://digital.library.unt.edu/ark:/67531/metadc1386977/ ark: ark:/67531/metadc1386977 |
_version_ |
1766114748016885760 |