Hugh J. O’Neill

University Hospitals of Derby and Burton NHS Foundation Trust

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Peter Coyle

Queen's University Belfast

Sydney M. Gordon

University of Kentucky

Boguslaw K. Krotoszynski

IIT Research Institute

P. H. Milburn

Agriculture and Agri-Food Canada

D. Léger

Western University

Dorothy E Wyatt

Einstein Medical Center Philadelphia

John E. Richards

University of South Carolina

Conall McCaughey

University of Ulster

J P Szidon

Rush University Medical Center

Frederick Mitchell

Royal Victoria Hospital

Cooperative Institutions

Royal College of Surgeons in Ireland

Beaumont Hospital

University of Ulster

Environmental Protection Agency

University of California, Davis

Royal Victoria Hospital

Queen's University Belfast

University of California, Berkeley

IIT Research Institute

Cornell University

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Volatile organic compounds in exhaled air from patients with lung cancer.

Clinical Chemistry (1985)

Sydney M. Gordon J P Szidon Boguslaw K. Krotoszynski Robert D. Gibbons Hugh J. O’Neill

Abstract Using a specially developed breath collection technique and computer-assisted gas chromatography/mass spectrometry (GC/MS), we have identified in the exhaled air of lung cancer patients several volatile organic compounds that appear to be associated with the disease. The GC/MS profiles of 12 samples from lung cancer patients and 17 control samples were analyzed by using general computerized statistical procedures to distinguish lung cancer patients from controls. The selected volatile compounds had sufficient diagnostic power in the GC/MS profiles to allow almost complete differentiation between the two groups in a limited patient population.

Exhaled air

Expired air

10.1093/clinchem/31.8.1278

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Citations (340)

Impact of atrazine-bearing agricultural tile drainage discharge on planktonic drift of a natural stream

Environmental Pollution (1992)

J. S. S. Lakshminarayana Hugh J. O’Neill Sita D. Jonnavithula D. Léger P. H. Milburn

Tile drainage

10.1016/0269-7491(92)90138-z

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Citations (36)

Chemical inactivation of cyclopropenoid fatty acids in cottonseed meals and their physiological evaluation

Journal of the American Oil Chemists Society (1969)

H. G. Reilich Hugh J. O’Neill R. S. Levi J. F. Proctor Walter A. Pons

Abstract Chemical inactivation of cyclopropenoid fatty acids in commercial cottonseed meals was explored with three classes of compounds: anhydrous gases, organic acids and sulfhydryl compounds. Of the reagents screened, sulfur dioxide reduced the cyclopropenoid content by over 90% while free cottonseed fatty acids and thioglycollic acid reduced the cyclopropenoid fatty acid content by over 30%. Large batches of the above three selected meals, as well as a control commercial screw‐pressed meal, were then incorporated at 20 wt % levels in the rations of laying hens. A negative control containing 25% soybean meal and a positive control containing a 2% refined cottonseed oil of known CPA content were also employed. During a four‐week feeding period, eggs were collected during the third and fourth week and stored at 35 F for periods of 3 and 6 months. Overall egg quality and the fatty acid distribution of the yolk lipids were determined after the 3 and 6 months' storage periods.

Cottonseed

Cottonseed meal

Anhydrous

Yolk

Transmethylation

Cottonseed oil

10.1007/bf02545010

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Toxic Chemical Survey of Municipal Drinking Water Sources in Atlantic Canada 1985-1988

Water Quality Research Journal (1992)

Hugh J. O’Neill T. Pollock Christian Le Brun J.A. Doull D. Léger

Abstract During the period of 1985 to 1988, municipal water supply sources in Atlantic Canada were sampled and analyzed for various compounds including major ions, nutrients, heavy metals, pesticides and synthetic organic chemicals. Both surface and ground water sources were sampled. Ninety-eight percent of supply sources were within the health-related maximum acceptable concentrations of the Guidelines for Canadian Drinking Water Quality (Health and Welfare Canada 1987), and eighty-five percent within the aesthetic guidelines. A geographic information system was used to classify the municipal sources by surrounding land-use and comparisons made to nitrate-N. All samples reported as 1.0 mg.L−1 or greater were from ground water supplies in areas classed as high agricultural use. Though a direct input from agriculture was established for two wells, the source of nitrate-N at the remaining sites was attributed to soil-N and/or fertilizer-N.

Water source

10.2166/wqrj.1992.044

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Citations (3)

Determination of Phenolic Constituents of Cigarette Smoke by Gas Chromatography

Journal of Chromatographic Science (1963)

R. Crouse Jane Garner Hugh J. O’Neill

Journal Article Determination of Phenolic Constituents of Cigarette Smoke by Gas Chromatography Get access Richard H. Crouse, Richard H. Crouse Search for other works by this author on: Oxford Academic PubMed Google Scholar John W. Garner, John W. Garner Search for other works by this author on: Oxford Academic PubMed Google Scholar Hugh J. O'Neill Hugh J. O'Neill Armour Research Foundation of Illinois Institute of Technology, Technology Center, Chicago 16, Illinois Search for other works by this author on: Oxford Academic PubMed Google Scholar Journal of Chromatographic Science, Volume 1, Issue 2, February 1963, Pages 18–22, https://doi.org/10.1093/chromsci/1.2.18 Published: 01 February 1963 Article history Received: 04 December 1962 Published: 01 February 1963

10.1093/chromsci/1.2.18

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Citations (10)

A REVIEW OF TRIAZINE HERBICIDE OCCURRENCE IN AGRICULTURAL WATERSHEDS OF MARITIME CANADA; 1983–1989

Canadian Water Resources Journal / Revue canadienne des ressources hydriques (1992)

Hugh J. O’Neill J.A. Doull

Results are reported for three triazine herbicides (atrazine, metribuzin and simazine) monitored in surface waters in agricultural areas of the Maritime Canada for the period 1983–1989. Of 125 surface water, 113 bottom sediments and 37 biota samples, atrazine residues were detected only in 38 water samples (30%) with a concentration range of 0.011 μg/L to 0.34 μg/L. Post-application metribuzin results from a tile drainage study site ranged from 0.14 μg/L to 1.53 μg/L.

Metribuzin

Simazine

Biota

Tile drainage

Triazine

10.4296/cwrj1703238

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Citations (1)

From the authors

European Respiratory Journal (2008)

T. E. McManus J.S. Elborn Hugh J. O’Neill P. V. Coyle J. Kidney

10.1183/09031936.00103608

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Identification of pristane in human sebum and related lipid sources

Biochemical and Biophysical Research Communications (1969)

Hugh J. O’Neill Leon L. Gershbein R. G. Scholz

Gram

10.1016/0006-291x(69)90716-5

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Citations (16)

Characterization of Backstreaming Fluids in High-Vacuum Systems by Gas Chromatography

Journal of Vacuum Science and Technology (1966)

Hugh J. O’Neill W. M. Langdon Jan-Gerd Frerichs A. Somora

Backstreaming of both diffusion-pump and mechanical-pump fluids has been a constant problem with respect to their safe and efficient operation in high-vacuum systems. In most instances, the exact nature of the backstreaming oil is unknown. This study describes a gas-chromatographic procedure that was used to characterize the composition of backstreamed samples when a polyphenyl ether, Convalex-10, was used as the diffusion-pump fluid. The backstreamed fluid used for analysis was collected and removed from specially designed collection plates mounted within the diffusion pumps, which were maintained at −75 °F. The oil samples removed from the plates were further characterized by ir, uv, and gravimetric techniques.

Gravimetric analysis

Characterization

Ultra-high vacuum

Vacuum pump

10.1116/1.1492488

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Low pH-induced cytopathic effect—a survey of seven hantavirus strains

Journal of Virological Methods (1999)

Conall McCaughey Xiǎohóng Shí Richard M. Elliott Dorothy E Wyatt Hugh J. O’Neill

Hantaan virus

Vero cell