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Zinc accumulation in phosphate granules of Ucides cordatus hepatopancreas BJMBR
Corrêa Junior,J.D.; Allodi,S.; Amado-Filho,G.M.; Farina,M..
Amorphous phosphate granules are present in vertebrate and invertebrate organisms. The functions attributed to these structures depend on their mineral contents and organic matrix composition. In the present study we have determined zinc concentrations in the hepatopancreas of the crab Ucides cordatus from regions contaminated with zinc, and the elemental composition of hepatopancreal phosphate granules. Organisms were collected from the contaminated areas of Sepetiba Bay (SB) and Guanabara Bay (GB), and from a non-contaminated area, Ribeira Bay (RB). The first two sites are located near the metropolitan region of Rio de Janeiro city, Brazil. Atomic absorption spectroscopy (AAS) showed a significant difference (P<0.05) for zinc concentration in the...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Phosphate granules; Hepatopancreas; Zinc; Energy dispersive X-ray analysis; Atomic absorption spectroscopy; Electron spectroscopic imaging.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000000200009
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