Search Results - "Quilliam, M.A"

Spatial and temporal variations of a saxitoxin analogue (LWTX-1) in Lyngbya wollei (Cyanobacteria) mats in the St. Lawrence River (Québec, Canada) by Hudon, C., Gagnon, P., Poirier Larabie, S., Gagnon, C., Lajeunesse, A., Lachapelle, M., Quilliam, M.A.

“…The concentration of the saxitoxin analogue LWTX-1 was quantified in samples of the benthic filamentous cyanobacterium Lyngbya wollei (Farlow ex Gomont)…”
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Determination of sulfonamides by liquid chromatography, ultraviolet diode array detection and ion-spray tandem mass spectrometry with application to cultured salmon flesh by Pleasance, S, Blay, P, Quilliam, M A, O'Hara, G

“…Ion-spray mass spectrometry was investigated for the analysis of 21 antibacterial sulfonamide drugs. All of the sulfonamides analyzed gave positive ion mass…”
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Detection of new 7-O-acyl derivatives of diarrhetic shellfish poisoning toxins by liquid chromatography-mass spectrometry by Marr, J C, Hu, T, Pleasance, S, Quilliam, M A, Wright, J L

“…A novel method for the detection of acylated diarrhetic shellfish poisoning toxins is reported. Direct determination of these compounds is possible using high…”
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Hydrophilic interaction liquid chromatography–mass spectrometry for the analysis of paralytic shellfish poisoning (PSP) toxins by Dell’Aversano, Carmela, Hess, Philipp, Quilliam, Michael A.

“…Hydrophilic interaction liquid chromatography (HILIC) was examined for the separation of paralytic shellfish poisoning (PSP) toxins using the stationary phase…”
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19. Isolation of minor and novel azaspiracids – Structure elucidation and toxicology by Kilcoyne, J., Nulty, C., McCarron, P., Jauffrais, T., Twiner, M., Quilliam, M.A., Hess, P., Miles, C.O.

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Solid-phase extraction and liquid chromatography–mass spectrometry for the determination of free fatty acids in shellfish by Lacaze, Jean-Pierre C.L., Stobo, Lesley A., Turrell, Elizabeth A., Quilliam, Michael A.

“…A novel analytical protocol for the determination of free fatty acids (FFAs; saturated, monounsaturated and polyunsaturated) in shellfish using electrospray…”
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Liquid chromatography with mass spectrometry--detection of lipophilic shellfish toxins by Stobo, L.A, Lacaze, J.P.C.L, Scott, A.C, Gallacher, S, Smith, E.A, Quilliam, M.A

“…A rapid multiple toxin method based on liquid chromatography with mass spectrometry (LC/MS) was developed for the detection of okadaic acid (OA),…”
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Metabolism of 1,8-dinitropyrene by Salmonella typhimurium by Bryant, D W, McCalla, D R, Lultschik, P, Quilliam, M A, McCarry, B E

“…Earlier work has shown that many nitroaromatic and nitroheterocyclic compounds are directly 'activated' to their ultimate mutagenic forms through the action of…”
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The toxigenic marine dinoflagellate Alexandrium tamarense as the probable cause of mortality of caged salmon in Nova Scotia by Cembella, A.D, Quilliam, M.A, Lewis, N.I, Bauder, A.G, Dell’Aversano, C, Thomas, K, Jellett, J, Cusack, R.R

“…The toxins associated with paralytic shellfish poisoning (PSP) are potent neurotoxins produced by natural populations of the marine dinoflagellate Alexandrium…”
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Analysis of diarrhetic shellfish poisoning toxins in shellfish tissue by liquid chromatography with fluorometric and mass spectrometric detection by Quilliam, M A

“…Diarrhetic shellfish poisoning (DSP) is a severe gastrointestinal illness caused by consumption of shellfish contaminated with toxigenic dinoflagellates. The…”
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Comparative toxicity of the diarrhetic shellfish poisons, okadaic acid, okadaic acid diol-ester and dinophysistoxin-4, to the diatom Thalassiosira weissflogii by Windust, Anthony J., Quilliam, Michael A., Wright, Jeffrey L.C., McLachlan, Jack L.

“…Quantitative structure-activity relationships were determined for the diarrhetic shellfish poisoning (DSP) toxins, okadaic acid (OA), OA diol-ester and…”
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Liquid chromatography/mass spectrometry investigation of the reversed-phase separation of fullerenes and their derivatives by Anacleto, Joseph F, Quilliam, Michael A

“…A study investigated the separation of fullerenes and their derivatives on four commercially available reversed-phase columns using liquid chromatography/mass…”
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Further Studies on the Analysis of DSP Toxin Profiles in Galician Mussels by Comesaña Losada, M, Leão, J. M, Gago-Martínez, A, Rodríguez Vázquez, J. A, Quilliam, M. A

“…Further studies on mussel samples from Galicia, Spain, have revealed the presence of okadaic acid (OA), dinophysistoxin 2 (DTX2), and the fatty acid acyl…”
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An idiotypic-anti-idiotypic competitive immunoassay for quantitation of okadaic acid by Shestowsky, W S, Quilliam, M A, Sikorska, H M

“…A competitive indirect enzyme-linked immunosorbent assay for the measurement of okadaic acid, a marine toxin, was developed. The assay uses a murine monoclonal…”
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Liquid chromatographic determination of domoic acid in shellfish products using the paralytic shellfish poison extraction procedure of the association of official analytical chemists by Lawrence, J F, Charbonneau, C F, Ménard, C, Quilliam, M A, Sim, P G

“…Domoic acid, the recently discovered toxic substance found in contaminated mussels from an area in eastern Prince Edward Island (Canada) was extracted from…”
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Simultaneous occurrence of diarrhetic and paralytic shellfish poisoning toxins in Spanish mussels in 1993 by Gago-Martinez, A, Rodriguez-Vazquez, J A, Thibault, P, Quilliam, M A

“…Mussel aquaculture is an important industry for the Galician Rias, located in northwestern Atlantic coast of Spain. Since 1976 this region has been seriously…”
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Screening for okadaic acid by immunoassay by Chin, J D, Quilliam, M A, Fremy, J M, Mohapatra, S K, Sikorska, H M

“…Increasing incidences of phytoplankton blooms with the potential danger of toxin release into the food chain have necessitated the search for new diagnostic…”
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Determination of polycyclic aromatic compounds by high-performance liquid chromatography with simultaneous mass spectrometry and ultraviolet diode array detection by Quilliam, M A, Sim, P G

“…A major problem in the determination of polycyclic aromatic compounds (PACs) in environmental samples is the extreme complexity of the extracts, even after…”
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Identification of the DNA adduct formed by metabolism of 1,8-dinitropyrene in Salmonella typhimurium by Andrews, P J, Quilliam, M A, McCarry, B E, Bryant, D W, McCalla, D R

“…The incubation of [3H]1,8-dinitropyrene with Salmonella typhimurium TA98NR followed by isolation of the DNA from these cells, hydrolysis of the DNA to…”
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On auxotrophy for pyrimidines of respiration-deficient chick embryo cells by Gregoire, M, Morais, R, Quilliam, M.A, Gravel, D

“…Chick embryo cells treated with chloramphenicol are inherently resistant to the growth‐inhibitory effect of the drug when cultured in the presence of tryptose…”
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