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Hair-Pb longitudinal profiles and blood-Pb in the population of young Slovenian malesŠtupar, Janez ; Dolinšek, Franci ; Eržen, IvanHair-Pb longitudinal profiles of 25 mm hair length were measured in a population of Slovenian men (aged 18-25 years) using "tape sandwich" solid sampling electrothermal atomic absorption spectrometry ... (SS-ETAAS). From these data two parameters related to Pb exposure were deduced. Hair-Pb proximal (H-Pbprox.) denotes the Pb content of the proximal 3mm hair segment, while Hair-Pb average (H-Pbaver.) denotes the average Pb content of a 25 mm hair length. The former were found to be on average at least a factor of 2 lower than the H-Pbaver. values that are normally reported in the literature for hairs of 20-50 mm length. Hair-Pb gradient (H-Pbgrad.) defined as the difference in Pb content between the distal (25 mm) and the proximal (3 mm) hair segments divided by the hair length was found to be highly correlated to the level of air Pb pollution (R=0.9931; P<0.001; n=5), while association between H-Pbprox. and air-Pb was not significant (R=0.5765; P>0.05; n=5). Simultaneously, lead in whole blood (B-Pb) was determined by ETAAS as another parameter of Pb exposure. The frequency distribution of log B-Pb values followed a symmetrical Gaussian shape with a median value of 35 microg Pb/L. Log H-Pbprox. frequency distribution, on the contrary, showed a Poissonian shape. Transformation of the data revealed the existence of four homogeneous groups of males with different median H-Pbprox. values (40, 86, 326 and 2500 ng/g). The major proportion of the Slovenian male population ( approximately 70%) has H-Pbprox. contents between 60 and 600 ng/g. (Abstract truncate at 2000 characters)Vir: Ecotoxicology and environmental safety. - ISSN 0147-6513 (Letn. 68, št. 1, 2007, str. 134-143)Vrsta gradiva - članek, sestavni delLeto - 2007Jezik - angleškiCOBISS.SI-ID - 24200665
Avtor
Štupar, Janez |
Dolinšek, Franci |
Eržen, Ivan
Teme
Adult |
Environmental Exposure |
Environmental Monitoring |
Methods |
Environmental Pollutants |
Blood |
Hair |
Anatomy & Histology |
Chemistry |
Lead |
Blood |
Longitudinal Studies |
Time Factors |
Lasje |
Odrasli |
Časovni faktorji |
Okolje, sledenje |
Longitudialne študije |
Okolje, izpostavljanje |
Okolje, onesnaževalci |
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Štupar, Janez | 01856 |
Dolinšek, Franci | 01858 |
Eržen, Ivan | 05373 |
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