@article {877,
	title = {Arsenic uptake by the Douglas-fir (Pseudotsuga menziesie)},
	journal = {Applied Organometallic Chemistry},
	volume = {18},
	number = {12},
	year = {2004},
	note = {ISI Document Delivery No.: 880PLTimes Cited: 2Cited Reference Count: 26International Conference on Environmental and Biological Aspects of Main Group OrganometallicsDEC 03-05, 2003Pau, FRANCE},
	month = {Dec},
	pages = {626-630},
	type = {Proceedings Paper},
	abstract = {The Douglas fir (Pseudotsuga menziesie) growing in an arsenic-rich gold-bearing region contains elevated arsenic concentrations in new-growth stems (374ppm dry weight (dw)) and needles (257ppm dw). Speciation of methanol-water extracts by using high-performance liquid chromatography- inductively coupled plasma mass spectrometry show that arsenite is the major species in needles but arsenate is more dominant in stems. Only traces of methylarsenicals are present. Arsenic concentrations in other tree species growing in the region are generally much lower; dimethylarsinate was extracted from a spruce cone. Copyright (C) 2004 John Wiley Sons, Ltd.},
	keywords = {accumulation, arsenic, CANADA, CONTAMINATED SOILS, Douglas fir, ENVIRONMENT, fern, gold mine, HPLC-ICP-MS, HYPERACCUMULATOR, PHYTOCHELATINS, PLANTS, SPECIATION},
	isbn = {0268-2605},
	url = {<Go to ISI>://000225801600005},
	author = {Haug, C. M. and Reimer, K. J. and Cullen, W. R.}
}
@article {5085,
	title = {Biomethylation and bioaccumulation of arsenic(V) by marine alga Fucus gardneri},
	journal = {Applied Organometallic Chemistry},
	volume = {15},
	number = {6},
	year = {2001},
	note = {ISI Document Delivery No.: 435TUTimes Cited: 14Cited Reference Count: 23},
	month = {Jun},
	pages = {553-560},
	type = {Article},
	abstract = {The brown alga, Fucus gardneri, was collected from Vancouver Island, B,C,, Canada. Fucus samples were acclimated in seawater and then exposed to arsenic(V) in artificial seawater, all under axenic conditions. The arsenic species in the Fucus samples were extracted into 1:1 methanol-H2O and identified by using ion-pairing high-performance liquid chromatography coupled to inductively coupled plasma mass spectrometry (HPLC-ICP-MS), Anion-exchange HPLC-ICP-MS was used to identify the arsenic species in the growth medium. It was found that similar to 73\% of the original arsenosugars in the F, gardneri samples were lost during the acclimation period. Arsenite [As(III)] and dimethylarsenate [DMA] concentration increased in the Fucus samples after exposure to arsenate [As(V)], A small increase in the concentration of an arsenosugar was seen during this period, accompanied by a further decrease in the concentration of two other arsenosugars. The experiments provided very little evidence for the hypothesis that arsenosugars are produced by the macroalgae. Copyright (C) 2001 John Wiley \& Sons, Ltd.},
	keywords = {(ICP-MS), accumulation, ALGAE, arsenic, arsenite [As(III)], arsenosugar, biotransformation, chromatography (HPLC), dimethylarsenate [DMA], ENVIRONMENT, Fucus gardneri, high-performance liquid, IDENTIFICATION, inductively coupled plasma mass spectrometry},
	isbn = {0268-2605},
	url = {<Go to ISI>://000168897900015},
	author = {Granchinho, S. C. R. and Polishchuk, E. and Cullen, W. R. and Reimer, K. J.}
}
@article {4753,
	title = {An interface with a linear quadrupole ion guide for an electrospray-ion trap mass spectrometer system},
	journal = {Analytical Chemistry},
	volume = {72},
	number = {22},
	year = {2000},
	note = {ISI Document Delivery No.: 374LNTimes Cited: 30Cited Reference Count: 41},
	month = {Nov},
	pages = {5647-5654},
	type = {Article},
	abstract = {A new ion sampling interface for an electrospray ionization 3D ion trap mass spectrometer system is described. The interface uses linear rf quadrupoles as ion guides and ion traps to enhance the performance of the 3D trap. Trapping ions in the linear quadrupoles is demonstrated to improve the duty cycle of the system. Dipolar excitation of ions trapped in a linear quadrupole is used to eject unwanted ions, A resolution of ejection of up to 254 is demonstrated for protonated reserpine ions (m/z 609.3), A composite waveform with a notch in frequency space is used to eject a wide range of matrix ions and to isolate trace analyte ions in a linear quadrupole before ions are injected into the 3D trap. This is useful to overcome space charge problems in the 3D trap caused by excess matrix ions. For trace reserpine in a 500-fold molar excess of poly(propylene glycol) (PPG), it is demonstrated that the resolution and sensitivity of the 3D trap can be increased dramatically with ejection of the excess PPG matrix ions. In comparison to ejection of matrix ions in the 3D trap with a similar broad-band waveform, a ii-fold increase in sensitivity with a 7 times shorter acquisition time was achieved.},
	keywords = {accumulation, ACCURACY, DIGESTS, DISSOCIATION, FILTERED NOISE FIELD, INJECTION, IONIZATION, PEPTIDES, PROTEINS, storage},
	isbn = {0003-2700},
	url = {<Go to ISI>://000165346800018},
	author = {Cha, B. C. and Blades, M. W. and Douglas, D. J.}
}
@article {4346,
	title = {Equations describing passive transport through vesicular membranes},
	journal = {Biophysical Chemistry},
	volume = {70},
	number = {1},
	year = {1998},
	note = {ISI Document Delivery No.: YU539Times Cited: 4Cited Reference Count: 26},
	month = {Jan},
	pages = {65-74},
	type = {Article},
	abstract = {A theoretical description of the kinetics of the passive transport of both lipophobic and lipophilic nonelectrolytes, weak acids, and weak bases through membranes of large unilamellar vesicles is discussed. Equations are derived which may be used to obtain permeability coefficients and predict the extent of LW entrapment of permeant molecules. Theoretical curves are generated to illustrate the difference between lipophobic and lipophilic permeation. By applying a diffusional approach rather than a simple first order kinetic approach to the problem of passive transport, some of the inconsistencies observed in other works are corrected. (C) 1998 Elsevier Science B.V.},
	keywords = {accumulation, DIFFUSION, FATTY-ACIDS, IONS, KINETICS, LARGE UNILAMELLAR VESICLES, lipid bilayer, LIPID BILAYER-MEMBRANES, LIPOSOMES, PARTITION-COEFFICIENTS, passive, permeability, PROCEDURE, RAPID EXTRUSION, TRANSMEMBRANE PH GRADIENTS, TRANSPORT},
	isbn = {0301-4622},
	url = {<Go to ISI>://000071728000007},
	author = {Males, R. G. and Phillips, P. S. and Herring, F. G.}
}
