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Sorption of pesticides to novel materials: snail pedal mucus acid blackfly silk

Brereton, C; House, WA; Armitage, PD; Wotton, RS; (1999) Sorption of pesticides to novel materials: snail pedal mucus acid blackfly silk. ENVIRON POLLUT , 105 (1) 55 - 65.

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Abstract

The distribution coefficients for 10 pesticides (atrazine, cyanazine, desmetryn, fenitrothion, malathion, parathion, prometryn, propazine, simazine, terbutryn) to both snail pedal mucus and blackfly larval silk are measured and found to be orders of magnitude higher than for soil organic carbon. The lowest values are found for the triazine herbicides (e.g. 19,000 mi g(-1) for simazine on silk) and the highest for the organophosphorus insecticides (e.g. 242,000 ml g(-1) for malathion). The distribution coefficients for pedal mucus are more difficult to quantify in terms of the organic carbon distribution coefficients but, by mass, are much higher than the corresponding soil distribution coefficients. The sorption affinities obtained for blackfly silk are similar in magnitude to literature data for sorption of pesticides and polyaromatic hydrocarbons to natural organic colloids. (C) 1999 Elsevier Science Ltd. All rights reserved.

Type: Article
Title: Sorption of pesticides to novel materials: snail pedal mucus acid blackfly silk
Keywords: partition coefficient, silk, mucus, pesticides, triazines, organophosphates, DISSOLVED HUMIC SUBSTANCES, HYDROPHOBIC POLLUTANTS, NATURAL SEDIMENTS, PARTITION-COEFFICIENTS, OCTANOL-WATER, ADSORPTION, TRANSPORT, ORGANOPHOSPHORUS, PARTICLES, BINDING
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment
URI: http://discovery.ucl.ac.uk/id/eprint/138211
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