@article {4854,
	title = {Arsenic species in terrestrial fungi and lichens from Yellowknife, NWT, Canada},
	journal = {Applied Organometallic Chemistry},
	volume = {14},
	number = {5},
	year = {2000},
	note = {ISI Document Delivery No.: 318XXTimes Cited: 30Cited Reference Count: 31},
	month = {May},
	pages = {245-252},
	type = {Article},
	abstract = {Levels of total arsenic and arsenic species were determined in fungi collected from Yellowknife, NWT, Canada, an area that has been affected by past mining activities and elevated arsenic levels, Lichens (belonging to Cladonia and Cladina genera), as well as the mushrooms Coprinus comatus, Paxillus involutus, Psathyrella candolleana and Leccinum scabrum, were studied for the first time, Most of the fungi contained elevated arsenic levels with respect to data found in the literature for background levels. Minor amounts of arsenobetaine were found in all lichen samples. The major water-soluble arsenic species in the fungi mere inorganic arsenic for lichens and Psathyrella candolleana, arsenobetaine for Lycoperdon pyriforme and Coprinus comatus, and dimethylarsenate for Paxillus involutus and Leccinum scabrum. A large proportion of water-soluble arsenic in Paxillus involutus occurred as an unknown compound, which did not co-chromatograph with any of the available standard arsenic compounds. Low proportions of water-soluble arsenic species (made evident by low extraction efficiencies) were observed in the majority of fungi studied. Arsenic that is not extracted may be bound to lipids, cell components or proteins, or might exist on the surface of the fungus as minerals. Copyright (C) 2000 John Wiley \& Sons, Ltd.},
	keywords = {AMANITA-MUSCARIA, arsenic, arsenobetaine, ARSENOCHOLINE, lichens, mining, MUSHROOM, mushrooms, ORGANISMS, SEDIMENTS, SPECIATION},
	isbn = {0268-2605},
	url = {<Go to ISI>://000087310900003},
	author = {Koch, I. and Wang, L. X. and Reimer, K. J. and Cullen, W. R.}
}
@article {3139,
	title = {EVALUATION OF MATRIX-ASSISTED LASER DESORPTION/IONIZATION TIME-OF-FLIGHT MASS-SPECTROMETRY FOR THE ANALYSIS OF ORGANOARSENIC COMPOUNDS OF ENVIRONMENTAL INTEREST},
	journal = {Biological Mass Spectrometry},
	volume = {23},
	number = {12},
	year = {1994},
	note = {ISI Document Delivery No.: PX594Times Cited: 9Cited Reference Count: 45},
	month = {Dec},
	pages = {749-755},
	type = {Article},
	abstract = {Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) was investigated for arsenic speciation of compounds of environmental interest. It is a very sensitive mass spectrometric technique which can detect as little as 0.3 ng of arsenic or 4 pmol of the arsenical under investigation. This feature suggests that the method could be used for the identification of minor arsenic components in environmental samples, Additional advantages of the technique are its capability of providing molecular ions as well as fragment ions for a variety of arsenicals, and allowing for a certain degree of control in compound fragmentation, by adjusting the N-2 laser power. Quantitative analysis by MALDI-TOF-MS is still considered a highly unreliable procedure since many variables associated with sample preparation and analytical procedure can seriously affect the results.},
	keywords = {arsenic, arsenobetaine, ARSENOCHOLINE, COMPOUNDS, CONFIRMATION, desorption, FAST ATOM BOMBARDMENT, IDENTIFICATION, OLIGOSACCHARIDES, PERFORMANCE LIQUID-CHROMATOGRAPHY, SPECIATION},
	isbn = {1052-9306},
	url = {<Go to ISI>://A1994PX59400005},
	author = {Pergantis, S. A. and Cullen, W. R. and Eigendorf, G. K.}
}
@article {2770,
	title = {BIOTRANSFORMATION OF [H-3] METHYLARSONIC ACID IN A STATIC SEAWATER SYSTEM CONTAINING MYTILUS-CALIFORNIANUS},
	journal = {Applied Organometallic Chemistry},
	volume = {7},
	number = {5},
	year = {1993},
	note = {ISI Document Delivery No.: LV681Times Cited: 8Cited Reference Count: 24},
	month = {Sep},
	pages = {329-334},
	type = {Article},
	abstract = {Mytius californianus exposed for 9 days to a seawater system containing [H-3]methylarsonic acid, was found to contain [H-3]methylarsonic acid along with [H-3]arsenobetaine and two unknown H-3-labeled compounds in the tissue parts of the mussel. A linear increase with time in the specific activity present in the flesh of Mytilus californianus was also observed. The highest specific activity was found in the visceral mass and the gills of the mussel.},
	keywords = {ALGAE, ARSENIC SPECIATION, arsenobetaine, ARSENOCHOLINE, BIOACCUMULATION, H-3 LABEL, IDENTIFICATION, marine environment, methylarsonic acid, METHYLATION, mussel, ORGANOARSENIC},
	isbn = {0268-2605},
	url = {<Go to ISI>://A1993LV68100005},
	author = {Cullen, W. R. and Pergantis, S. A.}
}
