MSPD procedure was performed in fish liver (Micropogonias
furnieri) and crab hepatopancreas (Callinectes sapidus) collected in
the Patos Lagoon estuary (in Southern Brazil), where agricultural
activities are intense.
Animals were collected, kept on ice and transferred to the
laboratory, where tissues of interest were dissected, conditioned in
calcinated-aluminum foil and frozen (−80 1C) until the analyses