Ross B. Leidy
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), 704–713.
TL;DR:
Simazine is least mobile in bermudagrass during summer and most mobile in fallow soil in winter, indicating less moisture is available for downward movement during summer.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
14. Life Below Water
(OpenAlex)
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), 293–298.
author keywords: Scapteriscus vicinus; fipronil metabolite; fipronil sulfide; fipronil sulfone; repellency
TL;DR:
Repellency of fipronil and its metabolites was significant as the majority of nymphs evacuated or died in the treated containers, but 35 of 37 nymphS were found alive in the non-treated containers.
(via Semantic Scholar)
doi.org (publisher)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
14. Life Below Water
(OpenAlex)
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), 1275–1283.
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
TL;DR:
It is demonstrated that an IPM program is an appropriate and preferable alternative to conventional methods of pest control in the school environment and most of the conventional treatments were unnecessary.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
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), 275–282.
Contributors: X. Xia n, R. Baynes n, N. Monteiro-Riviere n , n, D. Shea n & 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
TL;DR:
A novel in-vitro technique for rapid assessment of percutaneous absorption of chemical mixtures and the initial permeation rate and equilibrium time can be obtained for each compound, which could serve as characteristic parameters regarding the skin permeability of the compound.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
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), 3748–3752.
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
TL;DR:
In comparison to earlier work, recovery of these compounds using SPE disks as a temporary storage matrix may be more effective than shipping dried samples in a vial and other laboratories that had significant differences in pesticide recovery between the two water sources showed higher recovery in DW than in the SW regardless of the compound.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
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.
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), 179–190.
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
TL;DR:
A simplified liquid-solid extraction technique was studied for the analyses of pesticide residues in soil samples and linear response curves were obtained for all of the target compounds regardless of their surface adsorption.
(via Semantic Scholar)
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), 1324–1330.
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), 2041–2047.
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
TL;DR:
The porous multifiber SPME provided larger absorption capacity and higher absorption rate compared to a polymer-coated single fiber and its high extraction efficiency enabled the positive identification of unknown compounds at sub-part-per-billion level in full-scan mode with a benchtop quadruple GC/MS.
(via Semantic Scholar)
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), 477–489.
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
TL;DR:
Surface residues detected indoors suggest that the physical movement of residues from the exterior to the interior might be a viable route of movement of residue following this type of application, and indicate that spray drift resulting from perimeter applications might contaminate non‐target surfaces outside the spray zone.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2000 journal article
A proposal to standardize soil/solution herbicide distribution coefficients
WEED SCIENCE, 48(1), 75–88.
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
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
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), 67–74.
author keywords: water quality; herbicides; North Carolina; surface water; ELISA; GC/MS
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
14. Life Below Water
(OpenAlex)
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), 75–85.
author keywords: water quality; pesticides; drinking water; surface water; runoff; enzyme linked immunosorbent assays (ELISA)
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
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), 1327–1333.
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), 1550–1561.
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), 799–806.
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), 1934–1942.
author keywords: golf courses; runoff; pesticides; surface water; North Carolina, USA
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
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), 348–356.
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), 18–26.
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), 519–524.
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), 225–231.
Contributors: K. Penmetsa n, n & D. Shea n
author keywords: soil; water analysis; environmental analysis; primisulfuron; triasulfuron; pesticides; sulfonylureas
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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), 225–234.
Contributors: K. Penmetsa n, n & D. Shea n
author keywords: enantiomer separation; pesticides; imazaquin; diclofop; imazamethabenz
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
1997 journal article
Preliminary evaluation of the effects of fluridone in irrigation water on container-grown azalea
HortTechnology, 7(1), 60–62.
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), 1318–1326.
UN Sustainable Development Goal Categories
2. Zero Hunger
(Web of Science)
14. Life Below Water
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
1997 journal article
Separation of fungicides by micellar electrokinetic capillary chromatography
ELECTROPHORESIS, 18(2), 235–240.
Contributors: K. Penmetsa n, n & D. Shea n
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
TL;DR:
Among the two surfactants tested in MEKC, bile salts provided better separation compared to sodium dodecyl sulfate (SDS), and excellent separation of the four compounds was achieved in less than 15 min.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
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), 253–263.
TL;DR:
Surface residues found were located at floor/wall interfaces and were due probably as a result of splash or overspray around treated areas, and one could not predict what surface levels would be based upon airborne concentrations.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
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).
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), 177–183.
MeSH headings : Air / analysis; Chlorpyrifos / analysis; Humans; Occupational Diseases / chemically induced; Photometry; Soil / analysis
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
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), 367–382.
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
TL;DR:
There were no differences in collection efficiency of the five pesticides on Chromosorb 102, ORBO's 42/44, and PUF, but the efficiency with Tenax was somewhat less with several of the pesticides.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
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.
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), 512–522.
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.
Source: NC State University Libraries
Added: August 6, 2018
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