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KONCENTRACIJA AKTIVNOSTI 90Sr U ŽIVOTINJSKIM KOSTIMA U REPUBLICI HRVATSKOJ


Maračić, Manda; Franić, Zdenko; Marović, Gordana
KONCENTRACIJA AKTIVNOSTI 90Sr U ŽIVOTINJSKIM KOSTIMA U REPUBLICI HRVATSKOJ // Zbornik radova VII. simpozija Hrvatskog društva za zaštitu od zračenja s međunarodnim sudjelovanjem / Barišić, Delko ; Grahek, Željko ; Krajcar Bronić, Ines ; Miljanić, Saveta (ur.).
Zagreb: HDZZ-CRPA, 2008. str. 254-260 (predavanje, domaća recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
KONCENTRACIJA AKTIVNOSTI 90Sr U ŽIVOTINJSKIM KOSTIMA U REPUBLICI HRVATSKOJ
(INVESTIGATIONES OF 90Sr ACTIVITY CONCENTRATIONS IN ANIMAL BONES IN REPUBLIC OF CROATIA)

Autori
Maračić, Manda ; Franić, Zdenko ; Marović, Gordana

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Zbornik radova VII. simpozija Hrvatskog društva za zaštitu od zračenja s međunarodnim sudjelovanjem / Barišić, Delko ; Grahek, Željko ; Krajcar Bronić, Ines ; Miljanić, Saveta - Zagreb : HDZZ-CRPA, 2008, 254-260

ISBN
978-953-96133-6-3

Skup
VII. simpozij Hrvatskog društva za zaštitu od zračenja s međunarodnim sudjelovanjem

Mjesto i datum
Zagreb, Hrvatska, 29-31.05.2008

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Domaća recenzija

Ključne riječi
Radioaktivnost; 90Sr; životinjske kosti
(Radioactivity; 90Sr; Animal Bones)

Sažetak
The paper presents investigations of 90Sr activity concentrations in long bones of some domestic animals (cows, pigs, lambs) collected over the last ten years in the Republic of Croatia. The investigations are a part of an extended and still ongoing monitoring programme of radioactive contamination of human environment of Croatia. Bone is critical organ for the accumulation of many radionuclides, including 90Sr, a highly toxic radionuclide, similar to calcium in its chemical behaviour and metabolic processes. It has been found that the 90Sr activity concentrations in bones differ between respective animal species, the highest activity concentrations being found in lamb bones in year 2005 (472.61 mBq*gCa-1 or 2.14 Bqkg-1). In cow bones highest value being found was in 1998, being 611.42 mBq*gCa-1 or 69.09 Bqkg-1 90Sr. The transient increases and decreases in 90Sr activity concentrations in bones can be partially explained by a variety of environmental physical and biochemical factors that naturally fluctuate. As the levels of stable strontium in bone tissue is strongly correlated to calcium content of bone, 90Sr can be used as efficient radiotracer of stable strontium, which is itself important since it positively affects bone metabolism promoting bone formation and decreasing bone resorption, leading to normalized bone density.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Javno zdravstvo i zdravstvena zaštita



POVEZANOST RADA


Projekt / tema
022-0222882-2335 - RADIOAKTIVNOST OKOLIŠA I ZAŠTITA OD ZRAČENJA (Gordana Marović, )
022-0222882-2823 - Radioekologija Jadranskoga mora i priobalja (Zdenko Franić, )

Ustanove
Institut za medicinska istraživanja i medicinu rada, Zagreb