Ross B. Leidy

Works (32)

Updated: March 10th, 2025 12:14

2009 article

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

Cummings, H. D., Weber, J. B., Yelverton, F. H., & Leidy, R. B. (2009, March 1). Crop Science.

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

topics (OpenAlex): Plant and fungal interactions; Pesticide and Herbicide Environmental Studies; Turfgrass Adaptation and Management
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)
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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 article

IMPACT OF FIPRONIL RESIDUES ON MOLE CRICKET (ORTHOPTERA: GRYLLOTALPIDAE) BEHAVIOR AND MORTALITY IN BERMUDAGRASS

Cummings, H. D., Brandenburg, R. L., Leidy, R. B., & Yelverton, F. H. (2006, September 1). Florida Entomologist.

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

author keywords: Scapteriscus vicinus; fipronil metabolite; fipronil sulfide; fipronil sulfone; repellency
topics (OpenAlex): Insect Pest Control Strategies; Insect and Pesticide Research; Insect and Arachnid Ecology and Behavior
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)
UN Sustainable Development Goals Color Wheel
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 article

Comparison of Conventional and Integrated Pest Management Programs in Public Schools

Williams, G. M., Linker, H. M., Waldvogel, M. G., Leidy, R. B., & Schal, C. (2005, August 1). Journal of Economic Entomology.

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

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
topics (OpenAlex): Insects and Parasite Interactions; Insect and Pesticide Research; Animal and Plant Science Education
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)
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Source: Web Of Science
Added: August 6, 2018

2003 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

Xia, X.-R., Baynes, R. E., Monteiro-Riviere, N. A., Leidy, R. B., Shea, D., & Riviere, J. E. (2003, February 1). Pharmaceutical Research, Vol. 20, pp. 275–282.

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

Contributors: X. Xia n, R. Baynes n , N. Monteiro-Riviere n , R. Leidy 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
topics (OpenAlex): Advancements in Transdermal Drug Delivery; Pesticide Exposure and Toxicity; Forensic Toxicology and Drug Analysis; Contact Dermatitis and Allergies
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)
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UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

2003 article

Interlaboratory Comparison of Extraction Efficiency of Pesticides from Surface and Laboratory Water Using Solid-Phase Extraction Disks

Senseman, S. A., Mueller, T. C., Riley, M. B., Wauchope, R. D., Clegg, C., Young, R. W., … Leidy, R. B. (2003, May 20). Journal of Agricultural and Food Chemistry.

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

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
topics (OpenAlex): Analytical chemistry methods development; Pesticide Residue Analysis and Safety; Pharmaceutical and Antibiotic Environmental Impacts
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)
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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.

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

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

2002 article

A Simplified Liquid-Solid Extraction Technique for the Analyses of Pesticide Residues in Soil Samples

Xia, X.-R., & Leidy, R. B. (2002, January 1). Environmental Monitoring and Assessment.

By: X. Xia n & R. Leidy n

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
topics (OpenAlex): Pesticide Residue Analysis and Safety; Pesticide and Herbicide Environmental Studies; Analytical chemistry methods development
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.

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 article

Preparation and Characterization of Porous Silica-Coated Multifibers for Solid-Phase Microextraction

Xia, X.-R., & Leidy, R. B. (2001, March 22). Analytical Chemistry.

By: X. Xia n & R. Leidy n

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
topics (OpenAlex): Analytical chemistry methods development; Mass Spectrometry Techniques and Applications; Radioactive element chemistry and processing
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 article

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

Stout, D. M., & Leidy, R. B. (2000, July 1). Journal of Environmental Science and Health Part B.

By: D. Stout* & R. Leidy n

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
topics (OpenAlex): Pesticide Exposure and Toxicity; Pesticide and Herbicide Environmental Studies; Insect and Pesticide Research
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)
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Source: Web Of Science
Added: August 6, 2018

2000 article

A proposal to standardize soil/solution herbicide distribution coefficients

Weber, J. B., Wilkerson, G. G., Linker, H. M., Wilcut, J. W., Leidy, R. B., Senseman, S., … Peeper, T. F. (2000, January 1). Weed Science.

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

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
topics (OpenAlex): Pesticide and Herbicide Environmental Studies; Soil Carbon and Nitrogen Dynamics; Soil and Water Nutrient Dynamics
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UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
Source: Web Of Science
Added: August 6, 2018

2000 article

ELISA AND GC/MS ANALYSIS OF PESTICIDE RESIDUES IN NORTH CAROLINA1

Walker, A. E., Holman, R. E., & Leidy, R. B. (2000, February 1). JAWRA Journal of the American Water Resources Association.

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

author keywords: water quality; herbicides; North Carolina; surface water; ELISA; GC/MS
topics (OpenAlex): Pesticide and Herbicide Environmental Studies; Pesticide Residue Analysis and Safety; Water Quality and Resources Studies
UN Sustainable Development Goals Color Wheel
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 article

EVALUATION OF SELECTED PESTICIDES IN NORTH CAROLINA SURFACE WATER SUPPLIES: INTAKE STUDY1

Holman, R. E., Leidy, R. B., & Walker, A. E. (2000, February 1). JAWRA Journal of the American Water Resources Association.

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

author keywords: water quality; pesticides; drinking water; surface water; runoff; enzyme linked immunosorbent assays (ELISA)
topics (OpenAlex): Water Treatment and Disinfection; Pesticide and Herbicide Environmental Studies; Pharmaceutical and Antibiotic Environmental Impacts
UN Sustainable Development Goals Color Wheel
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

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.

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), 1550–1561.

By: D. Shea , 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), 799–806.

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

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

1998 article

ASSESSMENT OF SURFACE WATER QUALITY ON THREE EASTERN NORTH CAROLINA GOLF COURSES

Ryals, S. C., Genter, M. B., & Leidy, R. B. (1998, January 1). Environmental Toxicology and Chemistry.

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

author keywords: golf courses; runoff; pesticides; surface water; North Carolina, USA
topics (OpenAlex): Water Quality and Resources Studies; Turfgrass Adaptation and Management
UN Sustainable Development Goals Color Wheel
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.

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), 18–26.

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), 519–524.

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

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

1997 article

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

Penmetsa, K. V., Leidy, R. B., & Shea, D. (1997, April 1). Journal of Chromatography A, Vol. 766, pp. 225–231.

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

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

author keywords: soil; water analysis; environmental analysis; primisulfuron; triasulfuron; pesticides; sulfonylureas
topics (OpenAlex): Microfluidic and Capillary Electrophoresis Applications; Analytical Chemistry and Sensors; Electrochemical Analysis and Applications
UN Sustainable Development Goals Color Wheel
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 article

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

Penmetsa, K. V., Leidy, R. B., & Shea, D. (1997, November 1). Journal of Chromatography A, Vol. 790, pp. 225–234.

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

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

author keywords: enantiomer separation; pesticides; imazaquin; diclofop; imazamethabenz
topics (OpenAlex): Microfluidic and Capillary Electrophoresis Applications; Analytical Chemistry and Chromatography; Innovative Microfluidic and Catalytic Techniques Innovation
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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.

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

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

1997 article

Runoff of Two Sulfonylurea Herbicides in Relation to Tillage System and Rainfall Intensity

Afyuni, M. M., Wagger, M. G., & Leidy, R. B. (1997, September 1). Journal of Environmental Quality.

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

topics (OpenAlex): Pesticide and Herbicide Environmental Studies; Weed Control and Herbicide Applications; Polymer-Based Agricultural Enhancements
UN Sustainable Development Goals Color Wheel
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 article

Separation of fungicides by micellar electrokinetic capillary chromatography

Penmetsa, K. V., Leidy, R. B., & Shea, D. (1997, January 1). Electrophoresis, Vol. 18, pp. 235–240.

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

Contributors: K. Penmetsa n, R. Leidy 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
topics (OpenAlex): Microfluidic and Capillary Electrophoresis Applications; Microfluidic and Bio-sensing Technologies; Innovative Microfluidic and Catalytic Techniques Innovation
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 Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018

1996 article

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

Leidy, R. B., Wright, C. G., & Dupree, H. E. (1996, September 1). Environmental Monitoring and Assessment.

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

topics (OpenAlex): Pesticide Exposure and Toxicity; Toxic Organic Pollutants Impact; Occupational exposure and asthma
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)
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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 article

Applicator exposure to airborne concentrations of a termiticide formulation of chlorpyrifos

Leidy, R. B., Wright, C. G., & Dupree, H. E. (1991, August 1). Bulletin of Environmental Contamination and Toxicology.

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

MeSH headings : Air / analysis; Chlorpyrifos / analysis; Humans; Occupational Diseases / chemically induced; Photometry; Soil / analysis
topics (OpenAlex): Pesticide Exposure and Toxicity; Pesticide Residue Analysis and Safety; Agricultural safety and regulations
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UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

1991 article

Trapping efficiency of selected adsorbents for various airborne pesticides

Leidy, R. B., & Wright, C. G. (1991, August 1). Journal of Environmental Science and Health Part B.

By: R. Leidy n & C. Wright n

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
topics (OpenAlex): Indoor Air Quality and Microbial Exposure; Plant Surface Properties and Treatments; Vehicle emissions and performance
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)
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UN Sustainable Development Goal Categories
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), 512–522.

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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