Appendix 2-5: Rejected ecotox bibliography for Chlorpyrifos

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Rec #: 64609
Notes: Chemical of Concern: CPY
Abstract: Abstract: A urine contaminant concentration per se has uncertain meaning for human health because of dilution by hydration. However, the estimation of the health-related daily intake dose of pollutant (mg/kg/day) that equilibrates with a spot urinary concentration of a pesticide residue or metabolite, or other analyte, can be made using creatinine-corrected toxicant levels (mg analyte/mg creatinine) multiplied by an estimate oft he subjects' expected creatinine excretion rates (mg creatinine/kg/day). The objective was to develop a set of equations predicting a person's expected daily creatinine excretion (mg/kg) as a function of age, gender, race and morphometry, from birth to old age. We review the creatinine excretion literature where infants, children and adults provided 24 h total urine samples for creatinine analysis. Equations are developed for infants (<= 3 years), children (3-18 years) and adults (>= 18 years) that match at 3 and 18 years. A series of equations that estimate daily creatinine excretion (mg/day) are developed that are piecewise continuous from birth through infancy through adolescence and through adulthood for males and females, and Black and White races. Complicating factors such as diet, health status and obesity are discussed. We propose that these equations, with caveat, can now be used with measured urine concentrations to consistently estimate the corresponding equilibrium intake doses of toxicants at ages from birth to 92 years for the healthy non-obese. We recommend that this system of equations be considered for future development and reporting of applied doses in mg/kg/day of pollutants and toxicants that are measured in urine samples, as in the National Health and Nutrition Examination Survey.
Keywords: creatine, creatinine, NHANES, pesticides, children, adults, obesity
ISI Document Delivery No.: 314TU

838. Mage, David T. [Mu]G/Kg-Day or [Mu]G/Day? A Commentary on Georgopoulos Et Al., Jesee 2008. 2008 Nov; 18, (6): 535-7.

Rec #: 45479
Notes: Chemical of Concern: CPY
Abstract: Keywords: Insecticides -- toxicity
Keywords: Insecticides -- metabolism
Keywords: Age Factors
Keywords: Chlorpyrifos -- administration & dosage
Keywords: Sex Factors
Keywords: Dose-Response Relationship, Drug
Keywords: Insecticides -- administration & dosage
Keywords: Humans
Keywords: Environmental Exposure -- analysis
Keywords: Environmental Studies
Keywords: Risk Assessment
Keywords: Body Weight
Keywords: Chlorpyrifos
Keywords: Public Health
Keywords: Insecticides
Keywords: Biological Markers -- analysis
Keywords: Chlorpyrifos -- toxicity
Keywords: Environmental Exposure -- adverse effects
Keywords: Time Factors
Keywords: Biological Markers
Keywords: Chlorpyrifos -- metabolism
Keywords: Biological Markers -- metabolism
Copyright - Copyright Nature Publishing Group Nov 2008
Language of summary - English
Pages - 535; author reply 536-7
ProQuest ID - 219551935
Last updated - 2012-11-20
Place of publication - Tuxedo
Corporate institution author - Mage, David T
DOI - 1579808161; 40779151; 68909; ENNP; 18936758; NTPGENNPjes200852 English

839. Magnanti, B ; Carreira, S C; Saunders, M; Bartonova, a; Von Krauss, M, and Magnanti, B. Chlorpyrifos and Neurodevelopmental Toxicity: Critical Assessment and Expert Elicitation. 2009 Sep 13; 189, S268-S269.

Rec #: 41019
Keywords: REVIEW
Notes: Chemical of Concern: CPY
Abstract: Abstract: Abstract not available.
Keywords: Chlorpyrifos
Keywords: Toxicology Abstracts; Environment Abstracts
Keywords: Pesticides
Keywords: Toxicity
Keywords: X 24330:Agrochemicals
Keywords: ENA 02:Toxicology & Environmental Safety
Date revised - 2009-08-01
Language of summary - English
Pages - S268-S269
ProQuest ID - 20763248
SubjectsTermNotLitGenreText - Toxicity; Pesticides; Chlorpyrifos
Last updated - 2011-12-14
British nursing index edition - Toxicology Letters [Toxicol. Lett.]. Vol. 189, pp. S268-S269. 13 Sep 2009.
Corporate institution author - Magnanti, B; Carreira, S C; Saunders, M; Bartonova, A; Von Krauss, M
DOI - MD-0010154521; 10273945; 0378-4274 English


Rec #: 64619
Notes: Chemical of Concern: CPY
Abstract: Abstract: The aim of the present study was to develop a passive absorptive equilibrium sampler that would enable the determination of the concentrations of polar organic compound (POC) in water more efficiently than existing techniques. To this end, a novel plastic material, poly(ethylene-co-vinyl acetate-co-carbon monoxide) (PEVAC), was evaluated and the results were compared with an existing silicone-based passive absorptive equilibrium device. Seven compounds (imidacloprid, carbendazim, metoprolol, atrazin, carbamazepine, diazinon, and chlorpyrifos), a mixture of pharmaceuticals, and pesticides with a logarithmic octanol-water partition coefficient ranging from 0.2 to 4.77 were selected as model substances for the experiments. The results showed that six of the seven selected POCs reached distribution equilibrium within 4 d in the two materials tested. A linear relation with a regression coefficient of more than 0.8906 between the established logarithmic absorbent-water partition coefficient and the calculated logarithmic dissociation partition coefficient of the selected compounds in the two polymers was observed. The correlation between these two coefficients was within one order of magnitude for the compounds that reached equilibrium in the two polymers, which demonstrates that both materials are suitable for mimicking biological uptake of POCs. The PEVAC material showed an enhanced sorption for all selected compounds compared to the silicone material and up to five times higher enrichment for the most polar compound. Fluorescence analysis of the sampler cross-section, following the uptake of fluoranthene, and proof that the sorption was independent of surface area variations demonstrated that the PEVAC polymer possessed absorptive rather than adsorptive enrichment of organic compounds.
Keywords: Passive equilibrium sampler, Absorbent, Polar organic compounds, Liquid
ISI Document Delivery No.: 482HT

841. Magner, Jorgen a; Alsberg, Tomas E; Broman, Dag, and Magner, Jorgen A. The Ability of a Novel Sorptive Polymer to Determine the Freely Dissolved Fraction of Polar Organic Compounds in the Presence of Fulvic Acid or Sediment. 2009 Nov; 395, (5): 1525-1532.

Rec #: 44489
Keywords: FATE
Notes: Chemical of Concern: CPY
Abstract: Abstract: A novel plastic material, poly(ethylene-co-vinyl acetate-co-carbon monoxide) (PEVAC), was evaluated as an absorptive passive equilibrium sampler for determination of the freely dissolved fraction of seven polar organic contaminants (POCs) in the presence of fulvic acid and sediment. The seven compounds selected were imidacloprid, carbendazim, metoprolol, atrazin, carbamazepine, diazinon and chlorpyrifos, i.e. a mixture of pharmaceuticals and pesticides having logarithmic octanol/water partition coefficients (log K OW) ranging from 0.2 to 4.77. The experiments demonstrated that the PEVAC sampler is well suited for determination of the freely dissolved fraction of chemicals in aquatic environments. Generally, the freely dissolved fraction of the POCs decreased with increasing hydrophobicity. However, strong interactions with functional groups of the organic matter seemed to dominate the partitioning for imidacloprid and carbendazim, having logarithmic dissociation partition coefficient log D<1.47, and for metoprolol, which is positively charged at neutral pH.
Keywords: Chlorpyrifos
Keywords: Chemicals
Keywords: Sediment pollution
Keywords: Insecticides
Keywords: Organic matter
Keywords: Pesticides
Keywords: hydrophobicity
Keywords: fulvic acids
Keywords: Polymers
Keywords: Pollution Abstracts
Keywords: Aquatic environment
Date revised - 2010-08-01
Language of summary - English
Pages - 1525-1532
ProQuest ID - 754551566
SubjectsTermNotLitGenreText - Chlorpyrifos; Chemicals; Sediment pollution; Insecticides; Organic matter; Pesticides; hydrophobicity; fulvic acids; Polymers; Aquatic environment
Last updated - 2011-12-14
British nursing index edition - Analytical and Bioanalytical Chemistry [Anal. Bioanal. Chem.]. Vol. 395, no. 5, pp. 1525-1532. Nov 2009.
Corporate institution author - Magner, Jorgen A; Alsberg, Tomas E; Broman, Dag
DOI - 0a38164d-93cb-417f-ba7fcsamfg201; 13313200; 1618-2642; 1618-2650 English

842. Mahboob, S; Ghazala; Sultana, S; Asi, M R; Nadeem, S; Chaudhry, a S, and Mahboob, S. Determination of Organochlorine and Nitrogen Containing Pesticide Residues in Water, Sediments and Fish Samples by Reverse Phase High Performance Liquid Chromatograph. 2009; 10, (5): 9-12.

Rec #: 45209
Keywords: SURVEY
Notes: Chemical of Concern: CPY
Abstract: Abstract: With high performance liquid chromatography, the concentrations of a-endosulfan, DDE, parathion methyl, isoproturon, atrazine, carbaryl and carbofuran were determined in farmed raised fish Labeo rohita of two weight groups. All these pesticide residues were detected in fish meat samples. All these pesticide residues except isoproturon were identified in soil sediments, whereas all these pesticide residues except isoproturon, carbaryl and DDE were also present in water samples. DDT, heptachlor, b-endosulfan, chlorpyrifos, dimethoate, captan, cypermethrin, chlorobromuron and chlorotoluron were absent in all samples of water, sediments and fish flesh. The pesticide residues levels were in order of parathion methyl > DDE > carbofuran > atrazine > a-endosulfan > isoproturan > carbaryl. The concentrations of pest cides were higher in fish weighing 800 - 1 300 g than in those weighing 250 - 750 g. The DDE was remained highest in sediments, while that was not detected in water samples. The pesticides (endosulfan, parathion methyl, atrazine and carbofuran) had crossed their MRL values (0.001 kg/g) in water samples.
Keywords: Water sampling
Keywords: Water Analysis
Keywords: Pesticide residues
Keywords: Water Sampling
Keywords: SW 3030:Effects of pollution
Keywords: Carbaryl
Keywords: Pollution effects
Keywords: Freshwater fish
Keywords: Freshwater
Keywords: Soil
Keywords: Insecticides
Keywords: Nitrous oxide
Keywords: meat
Keywords: HPLC
Keywords: Sediment pollution
Keywords: Sediment chemistry
Keywords: Q3 01582:Fish culture
Keywords: Chlorine compounds
Keywords: DDE
Keywords: Pesticide Residues
Keywords: Herbicides
Keywords: carbofuran
Keywords: Q5 01504:Effects on organisms
Keywords: Q1 01485:Species interactions: pests and control
Keywords: Sediments
Keywords: Endosulfan
Keywords: Chlorpyrifos
Keywords: cypermethrin
Keywords: Labeo rohita
Keywords: Liquid chromatography
Keywords: Pesticides
Keywords: Atrazine
Keywords: DDT
Keywords: ASFA 1: Biological Sciences & Living Resources; ASFA Aquaculture Abstracts; Pollution Abstracts; Water Resources Abstracts; ASFA 3: Aquatic Pollution & Environmental Quality
Keywords: Fish
Keywords: Parathion
Keywords: Nitrogen
Date revised - 2010-01-01
Language of summary - English
Pages - 9-12
ProQuest ID - 21207387
SubjectsTermNotLitGenreText - HPLC; Sediment chemistry; Sediment pollution; Chlorine compounds; DDT; DDE; Pesticides; Pollution effects; Herbicides; Freshwater fish; Nitrogen; Water sampling; Pesticide residues; Carbaryl; carbofuran; Sediments; Endosulfan; Soil; Chlorpyrifos; cypermethrin; Insecticides; Nitrous oxide; Liquid chromatography; meat; Atrazine; Fish; Parathion; Water Analysis; Water Sampling; Pesticide Residues; Labeo rohita; Freshwater
Last updated - 2012-10-19
British nursing index edition - Hunan Agricultural Science & Technology Newsletter [Hunan Agric. Sci. Technol. Newsl.]. Vol. 10, no. 5, pp. 9-12. 2009.
Corporate institution author - Mahboob, S; Sultana, S; Asi, M R; Nadeem, S; Chaudhry, A S
DOI - MD-0011951989; 11653442; CS1026646; 1009-4229 English

843. Majerciak, V.; Pripuzova, N.; Mccoy, J. P.; Gao, S. J., and Zheng, Z. M. Targeted Disruption of Kaposi's Sarcoma-Associated Herpesvirus Orf57 in the Viral Genome Is Detrimental for the Expression of Orf59, K8alpha, and K8.1 And the Production of Infectious Virus.

Rec #: 51519
Notes: Chemical of Concern: CPY
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ABSTRACT: Kaposi's sarcoma-associated herpesvirus (KSHV) ORF57 regulates viral gene expression at the posttranscriptional level during viral lytic infection. To study its function in the context of the viral genome, we disrupted KSHV ORF57 in the KSHV genome by transposon-based mutagenesis. The insertion of the transposon into the ORF57 exon 2 region also interrupted the 3' untranslated region of KSHV ORF56, which overlaps with the ORF57 coding region. The disrupted viral genome, Bac36-Delta57, did not express ORF57, ORF59, K8alpha, K8.1, or a higher level of polyadenylated nuclear RNA after butyrate induction and could not be induced to produce infectious viruses in the presence of valproic acid, a histone deacetylase inhibitor and a novel KSHV lytic cycle inducer. The ectopic expression of ORF57 partially complemented the replication deficiency of the disrupted KSHV genome and the expression of the lytic gene ORF59. The induced production of infectious virus particles from the disrupted KSHV genome was also substantially restored by the simultaneous expression of both ORF57 and ORF56; complementation by ORF57 alone only partially restored the production of virus, and expression of ORF56 alone showed no effect. Altogether, our data indicate that in the context of the viral genome, KSHV ORF57 is essential for ORF59, K8alpha, and K8.1 expression and infectious virus production.
MESH HEADINGS: Gene Expression Regulation, Viral/*physiology
MESH HEADINGS: Genome, Viral/*drug effects/genetics
MESH HEADINGS: Glycoproteins/genetics/metabolism
MESH HEADINGS: Herpesvirus 8, Human/*physiology
MESH HEADINGS: Open Reading Frames
MESH HEADINGS: Sarcoma, Kaposi/*virology
MESH HEADINGS: Viral Proteins/genetics/metabolism
MESH HEADINGS: Virus Replication eng

844. Majidi, M. R.; Asadpour-Zeynali, K., and Nazarpur, M. Determination of Fenitrothion in River Water and Commercial Formulations by Adsorptive Stripping Voltammetry with a Carbon Ceramic Electrode. 2009; 92, (2): 548-554.

Rec #: 64639
Keywords: FATE
Notes: Chemical of Concern: CPY
Abstract: Abstract: A sol-gel carbon ceramic electrode (CCE) without any assigned electron transfer mediator or specific reagents was used for the determination of fenitrothion by square-wave adsorptive stripping voltammetry. Fenitrothion strongly adsorbs on a CCE surface, which enables the development of facile electrochemical quantitative methods. Operational parameters such as pH value, initial potential value, and pulse frequency were optimized, and the stripping voltammetric performance was studied by using square-wave voltammetry. Square-wave adsorptive stripping voltammetry was used to obtain calibration curves with 2 linear ranges, 0.005-0.1 and 0.1-50 mu M; the lower linear range was used to calculate the detection limit, 0.0016 mu M (5 min adsorption). The effect of interference species on the determination of fenitrothion was also studied. The inherent stability, high sensitivity, low detection limit, and low cost of analysis are the advantages of this sensor. The present method was successfully applied to the determination of fenitrothion in a commercial formulation and river water samples. Analysis of real water samples by using the sensor demonstrated the feasibility of applying the sensor to the on-site monitoring of organophosphate compounds.
ISI Document Delivery No.: 434YB

845. Makino, Y.; Oshita, S.; Murayama, Y.; Mori, M.; Kawagoe, Y., and Sakai, K. Nondestructive Analysis of Chlorpyrifos on Apple Skin Using UV Reflectance. 2009; 52, (6): 1955-1960.

Rec #: 53539
Keywords: FOOD
Notes: Chemical of Concern: CPY
Abstract: Abstract: Analysis of chlorpyrifos using UV was performed to assess the possibility of nondestructive detection of pesticides on agricultural products. Absorbance of chlorpyrifos dissolved in acetonitrile was positively proportional to its concentration at 229 and 290 nm at limits of detection (LOD) of 0.0233 and 0.0113 mg kg -1 , and limits of quantification (LOQ) of 0.0778 and 0.0378 mg kg -1 , respectively. This suggested that a UV method is suitable for detection and quantification of chlorpyrifos. UV reflectance changes were used to estimate the amount of chlorpyrifos dried on apple skin. Differences between reflectance at 280 and 300 nm were positively proportional to the amount of chlorpyrifos standard dried on apple skin, and the LOD was 0.0849 mg cm -2 . Reflectance differences between 260 and 290 nm were positively proportional to the amount of chlorpyrifos included in water-dispersible Dursban dried on apple skin, and the LOD was 0.000214 mg cm -2 . These LOD values were below the amount required for acute intoxication in mammals resulting from oral dosage. This UV optical method is practical for 100% nondestructive inspection and detection of chemicals present on product surfaces and thus may be suitable for use in sorting lines. However, it may not be effective for detecting chemicals in products' internal tissues as can be achieved through immunochemical techniques and gas chromatography with mass spectrometry, which, while more sensitive than this UV method, are destructive and therefore not suitable for 100% inspection of shipping products.
Keywords: Internet resource
Includes references 1022772141

846. Malchev, Ivan; Fletcher, Ron, and Kott, Laima. Breeding of Rutabaga (Brassica Napus Var. Napobrassica L. Reichenb.) Based on Biomarker Selection for Root Maggot Resistance (Delia Radicum L.). 2010 Sep; 175, (2): 191-205.

Rec #: 43869
Notes: Chemical of Concern: CPY
Abstract: Abstract: Cabbage root maggot (Delia radicum) is the most devastating and persistent pest for rutabaga (Brassica napus var. napobrassica) in all production areas in Canada. With the deregistration of terbufos (Counter^sup ®^) to combat maggot attack, only chlorpyrifos (Lorsban^sup ®^), an organophosphorous pesticide, remains and extensive use could lead to insecticide resistance. An unprotected crop would lead to serious domestic and export losses. Root maggot resistance from canola, that originated from the weedy crucifer, Sinapis alba, was transferred to rutabaga by standard hand crossing. A population of doubled haploids was developed from the F1s and screened in a high pressure root maggot rutabaga production field. Resistant and susceptible isolines were identified from different crossing groups and these isoline pairs were used to develop a biochemical selection protocol based on HPLC profiles where glucosinolates can be present as an aid to resistance breeding. Fourteen peaks in the HPLC profile were identified as markers and predictably varied between the more resistant and more susceptible lines. The 3-4 leaf stage was identified as the ideal stage for tissue extraction for profiling which is close to the stage when gravid female maggot flies seek host plants for oviposition utilizing olfactory signals from the host. Olfactory signals for Delia commonly are isothiocyanates which are volatile break down products of glucosinolates. The peaks in the HPLC profiles identified as markers for resistance contain glucosinolates and may be partially responsible for the plant-insect interaction. A predictive model is proposed as an aid to breeders for the development of root maggot resistant rutabaga lines.[PUBLICATION ABSTRACT]
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