Abstract：
:Considerable interest exists in characterizing the extent of changes in methylmercury exposures from preindustrial to modern-day times. Hair is often preserved over centuries and has been useful in determining the extent of dietary trace metal exposures, particularly methylmercury. We examined 16 human hair samples taken from human hair bundles buried in the soil of the Karluk One Archaeological site located near the current Karluk village on the Kodiak Archipelago of Alaska. Hair samples were analyzed for total mercury, methylmercury, selenium, and cadmium. The mean total mercury level was 1.33 ppm (SD = 1.09). The mean methylmercury level, however, was considerably lower than the total mercury concentration: the mean methylmercury level was 0.03 ppm (SD = 0.02). The mean cadmium level was 0.15 ppm (SD = 0.14) and the mean selenium level was 5.22 ppm (SD = 5.73). While the concentration of total mercury in the Karluk hair samples is comparable to those observed in ancient hair from other locations, direct methylmercury quantization demonstrated that methylmercury levels were less than 2% of the total mercury in these hair samples. Because the hair was subjected to a variety of environmental influences over the centuries, the possibility of degradation of methylmercury in the hair over the last 400 to 800 years cannot be ruled out. The use of hair from remains found in more protected frozen or dry environments may provide the best evidence for the extent of preindustrial exposures to methylmercury and other trace metals.
journal_name
Int J Circumpolar Healthjournal_title
International journal of circumpolar healthauthors
Egeland GM,Ponce R,Knecht R,Bloom NS,Fair J,Middaugh JPsubject
Has Abstractpub_date
1999-01-01 00:00:00pages
52-6issue
1eissn
1239-9736issn
2242-3982journal_volume
58pub_type
历史文章,杂志文章abstract：OBJECTIVES:To analyze the prevalence of poor oral health and selected determinants in First Nations (FN) and Caucasian samples in Manitoba, Canada. STUDY DESIGN:Cross-sectional survey, nested in a cohort study. METHODS:FN and Caucasian participants completed a questionnaire on socio-demographic variables, oral health...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：10.3402/ijch.v71i0.17394
更新日期：2012-03-19 00:00:00
abstract：STUDY OBJECTIVE:To survey snowmobile injury events treated in Longyearbyen hospital, Svalbard and to report the injury distribution and characteristics for Svalbard residents and visitors driving snowmobiles. DESIGN:Prospective injury recording. SETTING:The Norwegian arctic archipelago, Svalbard during three years fr...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：
更新日期：2001-11-01 00:00:00
abstract：UNLABELLED:In an eight years period new peptic ulcer was diagnosed in 127 Inuit patients at the Central Hospital, Dronning Ingrids Hospital, Nuuk/Godthåb. The ratios: duodenal ulcers (DU): prepyloric ulcers (PPU): gastric ulcers (GU) were 17:22:88. The male:female ratio was 2:1. 46 of the patients were living permanent...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：
更新日期：1997-07-01 00:00:00
abstract：INTRODUCTION:Myocardial and cerebral infarction are held to be rare among the Inuit, whereas cerebral haemorrhage is thought to be frequent. Recent studies have questioned these beliefs. We report data form our institution. METHOD:Retrospective data collection and review of all charts from Greenlandic patients from th...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：10.3402/ijch.v63i0.17921
更新日期：2004-01-01 00:00:00
abstract：BACKGROUND:The US commercial fishing industry is hazardous, as measured by mortality data. However, research on non-fatal injuries is limited. Non-fatal injuries constitute the majority of occupational injuries and can result in workers' lowered productivity and wages, lost quality of life, and disability. In the Unite...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：10.3402/ijch.v75.30070
更新日期：2016-01-14 00:00:00
abstract：OBJECTIVE:This paper describes the overall aims and design of the Social Transitions in the North study. The objective of the STN study was to assess how epidemiological, demographic and domestic changes have affected Northern communities. STUDY DESIGN:Sixteen communities in the Russian Far East and Alaska were compar...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：10.3402/ijch.v63i0.17766
更新日期：2004-01-01 00:00:00
abstract：:Mortality was compared in two major towns in northern Finland (Kemi and Oulu), which according to previous studies have high and low mortalities, respectively. In 1991-1995 life expectancy at birth in Oulu exceeded the national average by 0.7 years in males and 0.4 years in females but in Kemi it fell short of the nat...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：
更新日期：1999-07-01 00:00:00
abstract：:With a low breast cancer incidence and low population density, Greenland is geographically and organisationally challenged in implementing a cost effective breast cancer screening programme where a large proportion of the Greenlandic women will have to travel far to attend. The aim of this paper is to evaluate the cos...
journal_title：International journal of circumpolar health
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doi：10.1080/22423982.2017.1373580
更新日期：2017-01-01 00:00:00
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journal_title：International journal of circumpolar health
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doi：10.3402/ijch.v64i1.17951
更新日期：2005-02-01 00:00:00
abstract：:Anglican Church of Canada burial records from 1851-1964 for the Moose Factory First Nation are analysed for mortality seasonality. The 113-year study period is subdivided into three death cohorts (1851-1906, 1914-1945 and 1946-1964) that broadly reflect the late 19th century, early 20th century, and the post-WWII peri...
journal_title：International journal of circumpolar health
pub_type： 历史文章,杂志文章
doi：
更新日期：1997-10-01 00:00:00
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journal_title：International journal of circumpolar health
pub_type： 临床试验,杂志文章
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更新日期：2001-01-01 00:00:00
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更新日期：2002-11-01 00:00:00
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pub_type： 杂志文章
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更新日期：2016-02-23 00:00:00
abstract：BACKGROUND:High suicide rates in the Russian North are coupled with high alcohol consumption in the described populations. OBJECTIVE:To investigate the potential role of alcohol consumption on suicides in the Nenets Autonomous Okrug (NAO) in 2002-2012 and to compare this information with corresponding data from the ne...
journal_title：International journal of circumpolar health
pub_type： 杂志文章
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更新日期：2016-07-22 00:00:00
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journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：
更新日期：2001-04-01 00:00:00
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更新日期：2018-12-01 00:00:00
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journal_title：International journal of circumpolar health
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更新日期：2013-08-05 00:00:00
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journal_title：International journal of circumpolar health
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更新日期：2013-08-05 00:00:00
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journal_title：International journal of circumpolar health
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更新日期：2004-01-01 00:00:00
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更新日期：2005-09-01 00:00:00
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更新日期：2002-01-01 00:00:00
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更新日期：1998-01-01 00:00:00
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journal_title：International journal of circumpolar health
pub_type： 杂志文章
doi：
更新日期：2001-08-01 00:00:00
