Works (32)

Updated: July 5th, 2023 16:04

2009 journal article

Downward Mobility of C-14-Labeled Simazine in a Bermudagrass System vs. a Fallow Soil System

CROP SCIENCE, 49(2), 704โ€“713.

By: H. Cummings*, J. Weber n, F. Yelverton n & R. Leidy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2006 journal article

Impact of fipronil residues on mole cricket (Orthoptera : Gryllotalpidae) behavior and mortality in bermudagrass

FLORIDA ENTOMOLOGIST, 89(3), 293โ€“298.

By: H. Cummings*, R. Brandenburg n, R. Leidy n & F. Yelverton n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Scapteriscus vicinus; fipronil metabolite; fipronil sulfide; fipronil sulfone; repellency
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Comparison of conventional and integrated pest management programs in public schools

JOURNAL OF ECONOMIC ENTOMOLOGY, 98(4), 1275โ€“1283.

By: G. Williams n, H. Linker n, M. Waldvogel n, R. Leidy n & C. Schal nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: school IPM; IPM; German cockroach; Blattella germanica
MeSH headings : Animals; Cockroaches; Environmental Exposure; Insecticides / analysis; North Carolina; Pest Control / economics; Pest Control / methods; Pesticide Residues / analysis; Schools / standards; Time Factors
Source: Web Of Science
Added: August 6, 2018

2003 journal article

A novel in-vitro technique for studying percutaneous permeation with a membrane-coated fiber and gas chromatography/mass spectrometry: Part I. Performances of the technique and determination of the permeation rates and partition coefficients of chemical mixtures

PHARMACEUTICAL RESEARCH, 20(2), 275โ€“282.

By: X. Xia n, R. Baynes n, N. Monteiro-Riviere nโ€‰, R. Leidy n, D. Shea nโ€‰ & J. Riviere n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: X. Xia n, R. Baynes n, N. Monteiro-Riviere nโ€‰, R. Leidy n, D. Shea nโ€‰ & J. Riviere n

author keywords: in-vitro; percutaneous absorption; membrane-coated fiber; chemical mixtures; partition coefficient
MeSH headings : Administration, Cutaneous; Gas Chromatography-Mass Spectrometry / instrumentation; Gas Chromatography-Mass Spectrometry / methods; Membranes, Artificial; Permeability; Pharmaceutical Preparations / analysis; Pharmaceutical Preparations / metabolism
Sources: Web Of Science, ORCID
Added: August 6, 2018

2003 journal article

Interlaboratory comparison of extraction efficiency of pesticides from surface and laboratory water using solid-phase extraction disks

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 51(13), 3748โ€“3752.

By: S. Senseman*, T. Muellerโ€‰*, M. Riley*, R. Wauchopeโ€‰*, C. Clegg*, R. Young*, L. Southwick*, H. Moye* ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: solid-phase extraction (SPE); pesticides; surface water; extraction; interlaboratory analysis; Empore disks
MeSH headings : Acetamides / analysis; Atrazine / analysis; Bromouracil / analogs & derivatives; Bromouracil / analysis; Chlorpyrifos / analysis; Chromatography, Gas; Filtration / instrumentation; Glass; Laboratories; Pesticides / analysis; Quality Control; Water / analysis
Source: Web Of Science
Added: August 6, 2018

2003 journal article

Trifluralin (Preen) dissipation from the surface layer of a soilless plant growth substrate

Journal of Environmental Horticulture, 21(4), 216.

By: C. Judge, J. Neal & R. Leidy

Source: NC State University Libraries
Added: August 6, 2018

2002 journal article

A simplified liquid-solid extraction technique for the analyses of pesticide residues in soil samples

ENVIRONMENTAL MONITORING AND ASSESSMENT, 73(2), 179โ€“190.

By: X. Xia n & R. Leidy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: equilibrium; GC-ECD; liquid-solid extraction; organochlorine pesticides; soils; surface adsorption
MeSH headings : Adsorption; Chromatography, Gas; Environmental Monitoring / methods; Pesticide Residues / analysis; Reference Values; Sensitivity and Specificity; Soil Pollutants / analysis; Specimen Handling
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Interlaboratory comparison of pesticide recovery from water using solid-phase extraction disks and gas chromatography

Journal of AOAC International, 85(6), 1324โ€“1330.

By: W. Mersie, C. Clegg, R. Wauchope, J. Dumas, R. Leidy, M. Riley, R. Young, J. Mattice, T. Mueller, S. Senseman

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Preparation and characterization of porous silica coated multifibers for solid-phase microextraction

ANALYTICAL CHEMISTRY, 73(9), 2041โ€“2047.

By: X. Xia n & R. Leidy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Chromatography, Gas; Filtration / methods; Gas Chromatography-Mass Spectrometry / instrumentation; Gas Chromatography-Mass Spectrometry / methods; Hydrocarbons, Chlorinated; Insecticides / analysis; Microscopy, Electron, Scanning; Pesticide Residues / analysis; Silicon Dioxide / chemistry; Water / analysis
Source: Web Of Science
Added: August 6, 2018

2000 journal article

A preliminary examination of the translocation of microencapsulated cyfluthrin following applications to the perimeter of residential dwellings

JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES, 35(4), 477โ€“489.

By: D. Stout & R. Leidy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: cyfluthrin; pyrethroid insecticide; residential exposure; translocation
MeSH headings : Aerosols; Air Pollution, Indoor / analysis; Environmental Exposure / analysis; Housing; Humans; Insecticides / analysis; Insecticides / pharmacokinetics; Kinetics; Nitriles; Pilot Projects; Pyrethrins / analysis; Pyrethrins / pharmacokinetics; Soil Pollutants / analysis
Source: Web Of Science
Added: August 6, 2018

2000 journal article

A proposal to standardize soil/solution herbicide distribution coefficients

WEED SCIENCE, 48(1), 75โ€“88.

By: J. Weber n, G. Wilkerson n, H. Linker n, J. Wilcut n, R. Leidy n, S. Senseman*, W. Witt*, M. Barrettโ€‰* ...

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: readers are referred to the WSSA Herbicide Handbook and Supplement for the chemical names of the herbicides; K-d; K-f; K-oc; herbicide sorption; herbicide retention; herbicide binding; herbicide movement; leaching potential
Source: Web Of Science
Added: August 6, 2018

2000 journal article

ELISA and GC/MS analysis of pesticide residues in North Carolina

JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION, 36(1), 67โ€“74.

By: A. Walker n, R. Holman n & R. Leidy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: water quality; herbicides; North Carolina; surface water; ELISA; GC/MS
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Evaluation of selected pesticides in North Carolina surface water supplies: Intake study

JOURNAL OF THE AMERICAN WATER RESOURCES ASSOCIATION, 36(1), 75โ€“85.

By: R. Holman n, R. Leidy n & A. Walker n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: water quality; pesticides; drinking water; surface water; runoff; enzyme linked immunosorbent assays (ELISA)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Recovery of atrazine, bromacil, chlorpyrifos, and metolachlor from water samples after concentration on solid-phase extraction disks: Interlaboratory study

Journal of AOAC International, 83(6), 1327โ€“1333.

By: T. Mueller, S. Senseman, R. Wauchope, C. Clegg, R. Young, L. Southwick, M. Riley, H. Moye ...

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Enantiomeric and isomeric separation of pesticides by cyclodextrin-modified micellar electrokinetic chromatography

Journal of AOAC International, 82(6), 1550โ€“1561.

By: D. Sheaโ€‰, K. Penmetsa & R. Leidy

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Metolachlor and simazine in surface runoff water from a simulated container plant nursery

Weed Technology, 13(4), 799โ€“806.

By: G. Mahnken, W. Skroch, R. Leidy & T. Sheets

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Assessment of surface water quality on three eastern North Carolina golf courses

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY, 17(10), 1934โ€“1942.

By: S. Ryals*, M. Genter* & R. Leidy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: golf courses; runoff; pesticides; surface water; North Carolina, USA
Source: Web Of Science
Added: August 6, 2018

1998 journal article

Composition and variability of epicuticular waxes in apple cultivars

Journal of the American Society for Horticultural Science, 123(3), 348โ€“356.

By: R. Belding, S. Blankenship, E. Young & R. Leidy

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Residues of iprodione and dimethomorph on flue-cured and burley tobaccos

Tobacco Science, 42(1998), 18โ€“26.

By: R. Leidy, T. Sheets, T. Melton & J. House

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Shaker bath adaptation to the environmental protection agency's cadmium column reduction method (Method 353.3) for the determination of nitrate in water samples

Bulletin of Environmental Contamination and Toxicology (Online), 60(4), 519โ€“524.

By: S. Ryals, M. Genter & R. Leidy

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Analysis of primisulfuron and triasulfuron in water and soil samples by micellar electrokinetic capillary chromatography

JOURNAL OF CHROMATOGRAPHY A, 766(1-2), 225โ€“231.

By: K. Penmetsa n, R. Leidy n & D. Shea nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: K. Penmetsa n, R. Leidy n & D. Shea nโ€‰

author keywords: soil; water analysis; environmental analysis; primisulfuron; triasulfuron; pesticides; sulfonylureas
Sources: Web Of Science, ORCID
Added: August 6, 2018

1997 journal article

Enantiomeric and isomeric separation of herbicides using cyclodextrin-modified capillary zone electrophoresis

JOURNAL OF CHROMATOGRAPHY A, 790(1-2), 225โ€“234.

By: K. Penmetsa n, R. Leidy n & D. Shea nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: K. Penmetsa n, R. Leidy n & D. Shea nโ€‰

author keywords: enantiomer separation; pesticides; imazaquin; diclofop; imazamethabenz
Sources: Web Of Science, ORCID
Added: August 6, 2018

1997 journal article

Preliminary evaluation of the effects of fluridone in irrigation water on container-grown azalea

HortTechnology, 7(1), 60โ€“62.

By: S. Kay, D. Monk & R. Leidy

Source: NC State University Libraries
Added: August 6, 2018

1997 journal article

Runoff of two sulfonylurea herbicides in relation to tillage system and rainfall intensity

JOURNAL OF ENVIRONMENTAL QUALITY, 26(5), 1318โ€“1326.

By: M. Afyuni n, M. Wagger n & R. Leidy n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1997 journal article

Separation of fungicides by micellar electrokinetic capillary chromatography

ELECTROPHORESIS, 18(2), 235โ€“240.

By: K. Penmetsa n, R. Leidy n & D. Shea nโ€‰

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: K. Penmetsa n, R. Leidy n & D. Shea nโ€‰

author keywords: capillary electrophoresis; micellar electrokinetic capillary chromatograph; fungicides; water; environmental analysis
MeSH headings : Alanine / analogs & derivatives; Alanine / analysis; Benzimidazoles / analysis; Buffers; Carbamates; Chromatography; Electrophoresis, Capillary; Fungicides, Industrial / analysis; Micelles; Oxazoles / analysis; Surface-Active Agents / chemistry; Triazoles / analysis
Sources: Web Of Science, ORCID
Added: August 6, 2018

1996 journal article

Distribution of chlorpyrifos in air and on surfaces following crack and crevice application to rooms

ENVIRONMENTAL MONITORING AND ASSESSMENT, 42(3), 253โ€“263.

By: R. Leidy n, C. Wright n & H. Dupree n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

1993 chapter

Exposure levels to indoor pesticides

In K. D. Racke & A. R. Leslie (Eds.), Pesticides in urban environments : fate and significance (p. 282). Washington, DC : American Chemical Society (ACS).

By: R. Leidy, C. Wright & H. Dupree

Ed(s): . K. D. Racke & A. Leslie

Source: NC State University Libraries
Added: August 6, 2018

1991 journal article

APPLICATOR EXPOSURE TO AIRBORNE CONCENTRATIONS OF A TERMITICIDE FORMULATION OF CHLORPYRIFOS

BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, 47(2), 177โ€“183.

By: R. Leidy n, C. Wright n & H. Dupree n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
MeSH headings : Air / analysis; Chlorpyrifos / analysis; Humans; Occupational Diseases / chemically induced; Photometry; Soil / analysis
Source: Web Of Science
Added: August 6, 2018

1991 journal article

TRAPPING EFFICIENCY OF SELECTED ADSORBENTS FOR VARIOUS AIRBORNE PESTICIDES

JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART B-PESTICIDES FOOD CONTAMINANTS AND AGRICULTURAL WASTES, 26(4), 367โ€“382.

By: R. Leidy n & C. Wright n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: ACEPHATE; CHLORDANE; CHLORPYRIFOS; DIAZINON; HEPTACHLOR; PROPOXUR; CHROMOSORB-102; ORBO-42; ORBO-44; POLYURETHANE FOAM; TENAX GC; AIRBORNE PESTICIDES; ADSORBENTS; PESTICIDES
MeSH headings : Adsorption; Air Pollutants / analysis; Air Pollutants / isolation & purification; Chromatography, Gas; Pesticides / analysis; Pesticides / isolation & purification; Polymers; Polystyrenes; Polyurethanes; Polyvinyls; Resins, Synthetic
Source: Web Of Science
Added: August 6, 2018

1989 journal article

EBDC and ETU residues in Burley tobacco treated with mancozeb

Tobacco International, 191(11), 42.

By: R. Leidy, P. Shoemaker, T. Sheets & C. Main

Source: NC State University Libraries
Added: August 6, 2018

1981 journal article

Efficacy and longevity of controlled-release chlorpyrifos (DursbanR 10CR) for mosquito control in coastal dredged material disposal sites

Mosquito News, 41(3), 512โ€“522.

By: T. Merriam, R. Leidy & R. Axtell

Source: NC State University Libraries
Added: August 6, 2018

1978 journal article

Residues of acephate and methamidophos in greenhouse tomatoes

Journal of the American Society for Horticultural Science, 103(3), 392.

By: R. Leidy, T. Sheets & K. Sorensen

Source: NC State University Libraries
Added: August 6, 2018

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