Bioconcentration of lead and x-ray microanalysis with SEM in the freshwater rotifer Lecane quadridentata (rotifera: monogononta)

• Autorzy: Alvarado-Flores J. , Rico-Martinez R.
• Języki publikacji: EN

Abstrakty

EN

We studied the accumulation of lead as Pb(NO₃)₂ in the freshwater rotifer Lecane quadridentata using Leadmium Green and x-ray microanalysis by energy dispersion. The results indicate that lead is bioaccumulated in great amounts in the stomach after the rotifer is exposed for 24 h to 0.5 mg L-1 of Pb(NO₃)₂ . When the exposure concentration of Pb(NO₃)₂ is increased to 1.0 mg L⁻¹, lead was detected mostly in the cuticle after 24 h. Analysis of x-ray microanalysis by energy dispersion suggests a loss of calcium and rubidium, and an increase of aluminum, niobium, and silicon. A discussion comparing bioaccumulation between the rotifers Brachionus calyciflorus and Lecane quadridentata is included.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2017
• Tom: 26
• Numer: 6
• Opis fizyczny: p.2869-2872,fig.,ref.

Twórcy

autor

Alvarado-Flores J.

• Catedratico CONACYT / Unidad de Ciencias del Agua, Centro de Investigacion Cientifica de Yucatan A.C. Cancún, Quintana Roo, Mexico

autor

Rico-Martinez R.

• Departamento de Quimica, Centro de Ciencias Basicas, Universidad Autonoma de Aguascalientes, Avenida Universidad 940, Aguascalientes, Ags., CP 20131, Mexico

Bibliografia

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Identyfikatory

DOI

10.15244/pjoes/67331