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Acetylcholinesterase, an old biomarker with a new future? Field trials in association with two urban rivers and a paper mill in Newfoundland.
1996
Payne J.F. | Mathieu A. | Melvin W. | Fancey L.L.
Determination of tris(4-chlorophenyl)methanol and tris(4-chlorophenyl)methane in fish, marine mammals and sediment
1996
Boer, J. de | Wester, P.G. | Evers, E.H.G. | Brinkman, U.A.T. (DLO-Netherlands Institute for Fisheries Research, PO Box 68, 1970 AB IJmuiden (Netherlands))
Pesticide residue assessment in three selected agricultural production systems in the Choluteca River Basin of Honduras
1999
Kammerbauer, J. | Moncada, J. (Pan-American Agricultural School, Zamorano, Apartado Postal 93, Tegucigalpa (Honduras))
On-line speciation of arsenical compounds in fish and mussel extracts by HPLC-ICP-MS
1994
Caroli, S. (Istituto Superiore di Sanita, Rome (Italy)) | La Torre, F. | Petrucci, F. | Violante, N.
The separation and determination of sub-micromol per litre levels of six environmentally significant As compounds was accomplished by means of high performance liquid chromatography (HPLC) combined online with inductively coupled plasma mass spectrometry (ICP-MS). The species of interest (arsenite and arsenate, monomethylarsonic acid, dimethylarsinic acid, arsenobetaine and arsenocholine) were quantified in fish and mussel extracts after separation on a Dionex AS7 column equipped with an on-guard AG7 column using a bicarbonate buffer as the mobile phase in a gradient mode. The species thus eluted were directly forwarded to the ICP-MS detector. The detection power of the overall system allows each As form to be determined at concentrations as low a 0.0013 - 0.0027 micromol per litre.
Afficher plus [+] Moins [-]Long-term effects on human and animal life; Need for measures
1987
Muniz, I.P. (Oslo Univ. (Norway). Dept. of Biology)
Monitoring organochlorines in fish
1986
Trace metal analysis in fish
1986
Biney, C.A. (Institute for Aquatic Biology, Achimota (Ghana))
[Levels of heavy metals in fishery products of Cote d'Ivoire]
1986
Metongo, B.S. (Centre de Recherches Oceanographiques, Abidjan (Cote d'Ivoire))
[Research and determination of traces of heavy metals in marine organisms of Senegal]
1986
Ba, D. (Dakar Univ. (Senegal). Faculte de Medicine et de Pharmacie) | Ciss, M. | Cooper, J.F. | Niane, B.
Use of headspace-SPME-GC/MS to identify matters causing food complaints and accidents resulting in the death of animals
2004
Tsukioka, T.(Nagano-ken. Research Inst. for Health and Pollution (Japan)) | Terasawa, J. | Miyagawa, A. | Nakazawa, H. | Hanaoka, Y. | Sato, S. | Shimizu, S. | Maruyama, S.
Many complaints have been made about bad smelling and tasting food and accidents resulting in the death of animals in Nagano Prefecture. The method of headspace SPME-GC/MS has been found very effective as a screening method to investigate the cause of these complaints and accidents. This method is characterized mainly in that the operation is simple without using any solvents for extraction, causing no environmental pollution; the extraction may be carried out in a short time with a small quantity of sample in low concentration, preventing reagent contamination, the whole extract may be injected, leading to high sensitivity, and the fiber may be used repeatedly, making the analytical cost inexpensive. This paper describes representative examples of cases in which the relevant causes have been solved.
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