Výsledky vyhledávání - "Stephen F. Donovan"

Relationships between compound lipophilicity on seed coat permeability and embryo uptake by soybean and corn

Autor: Daibin Yang, Lailiang Cheng, Alan G. Taylor, Bruce Christian Black, Stephen F. Donovan

Publikováno v: Seed Science Research. 28:229-235

Systemic uptake of organic compounds from roots to leaves follows a Gaussian distribution in relation to the lipophilicity, as measured by the logKow. Quantification of compound uptake with different lipophilicities, and applied as a seed treatment t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf670545c36b4e3a68900c0354c0214b
https://doi.org/10.1017/s096025851800017x

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Tomato Seed Coat Permeability: Optimal Seed Treatment Chemical Properties for Targeting the Embryo with Implications for Internal Seed-Borne Pathogen Control

Autor: Hilary Mayton, Daibin Yang, Alan G. Taylor, Stephen F. Donovan, Masoume Amirkhani

Publikováno v: Agriculture
Volume 11
Issue 3
Agriculture, Vol 11, Iss 199, p 199 (2021)

Seed treatments are frequently applied for the management of early-season pests, including seed-borne pathogens. However, to be effective against internal pathogens, the active ingredient must be able to penetrate the seed coat. Tomato seeds were the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8cfc9289f1397b9e3de83568bf164ebe
https://doi.org/10.3390/agriculture11030199

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Lewisite Metabolites in Urine by Solid Phase Extraction-Dual Column Reversed-Phase Liquid Chromatography-Isotope Dilution Tandem Mass Spectrometry

Autor: Jason D. Palcic, Walter E. Mock, E. Lindsay Flagg, Janet S. Jones, Stephen F. Donovan, Victor S. Asirvatham, Redentor A. Salonga

Publikováno v: Journal of analytical toxicology. 40(6)

Lewisite (2-chlorovinyldichloroarsine) is a chemical warfare agent developed during World War I. A quantitative method using solid phase extraction (SPE) followed by dual column liquid chromatography (LC)-isotope dilution tandem mass spectrometry (MS

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7f29d18182fc760f7f9a5a7f69165a7
https://pubmed.ncbi.nlm.nih.gov/27339483

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An Overview of the Chemistry, Manufacture, Environmental Fate and Detection of Carbofuran

Autor: Stephen F. Donovan, Ngaio L. Richards, Mark A. Taggart

Publikováno v: Carbofuran and Wildlife Poisoning: Global Perspectives and Forensic Approaches

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2d0f3b36a549cd9c15daed8991b9c961
https://doi.org/10.1002/9781119998532.ch1

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Method for measuring the logarithm of the octanol–water partition coefficient by using short octadecyl–poly(vinyl alcohol) high-performance liquid chromatography columns

Autor: Stephen F. Donovan, Mark C Pescatore

Publikováno v: Journal of Chromatography A. 952:47-61

A simple, quick, versatile and inexpensive HPLC method to estimate the logarithm of the octanol–water partition coefficient (log Pow) employing a methanol–water gradient and a short octadecyl–poly(vinyl alcohol) (ODP) column is described. This

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::173851505fd68f83787ce77136feabed
https://doi.org/10.1016/s0021-9673(02)00064-x

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Differential Metal Binding Interactions of the Imidazolinones Revealed by NMR and UV Spectroscopy

Autor: Dale L. Shaner, Gerald W. Stockton, Kannan Rajamoorthi, Bijay K. Singh, Srinivasan Rajan, Stephen F. Donovan

Publikováno v: Pesticide Science. 49:17-28

NMR and UV spectroscopy and molecular modeling methods were applied to probe the interaction of the two imidazolinones, imazethapyr (5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid) and its structural isomer CL 303,135 (5-ethyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2cedb40b44393959ca53d9978c9bf530
https://doi.org/10.1002/(sici)1096-9063(199701)49:1<17::aid-ps473>3.0.co

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New method for estimating vapor pressure by the use of gas chromatography

Autor: Stephen F. Donovan

Publikováno v: Journal of Chromatography A. 749:123-129

We have developed a new, simple, quick, precise and inexpensive method to estimate vapor pressure by the use of gas chromatography. This new method differs significantly from previous gas chromatography methods because it uses a temperature gradient

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0765f383a23f235e5039210d4a40dd0
https://doi.org/10.1016/0021-9673(96)00418-9

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Automated potentiometric titrations in KCl/water-saturated octanol: method for quantifying factors influencing ion-pair partitioning

Autor: Stephen F. Donovan, Robert A. Scherrer

Publikováno v: Analytical Chemistry

The knowledge base of factors influencing ion pair partitioning is very sparse, primarily because of the difficulty in determining accurate log P(I) values of desirable low molecular weight (MW) reference compounds. We have developed a potentiometric

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49f531418738ff18e34f7f7f7434a001
https://pubmed.ncbi.nlm.nih.gov/19265385

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