Gotowa bibliografia na temat „Organochlorine organophosphorus”

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Artykuły w czasopismach na temat "Organochlorine organophosphorus"

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Schenck, Frank J., Roberta Wagner, Michael K. Hennessy, and Joseph L. Okrasinski. "Screening Procedure for Organochlorine and Organophosphorus Pesticide Residues in Eggs using a Solid-Phase Extraction Cleanup and Gas Chromatographic Detection." Journal of AOAC INTERNATIONAL 77, no. 4 (1994): 1036–40. http://dx.doi.org/10.1093/jaoac/77.4.1036.

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Abstract A solid-phase extraction (SPE) screening procedure for the isolation and gas chromatographic (GC) determination of organochlorine and organophosphorus pesticide residues in eggs is described. Eggs are extracted with acetonitrile. The extract is subjected to a cleanup on tandem C18 and Florisil SPE columns. Organochlorine and organophosphorus pesticide residues are determined by GC with electron capture and flame photometric detection, respectively. Because the injected extracts are free from matrix interferences, the amount of residue present is easy to calculate. The average recoveri
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Sobańska, Anna W., Andrzej M. Sobański, and Karolina Wanat. "Pesticides’ Cornea Permeability—How Serious Is This Problem?" Pharmaceutics 17, no. 2 (2025): 156. https://doi.org/10.3390/pharmaceutics17020156.

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Background: A total of 348 pesticides from different chemical families (carbamates, organochlorines organophosphorus compounds, pyrethroids, triazines and miscellaneous) were investigated in the context of their cornea permeability and potential to cause eye corrosion. Methods: Multivariate models of cornea permeability based on compounds whose cornea permeability has been determined experimentally were proposed. The models, applicable to compounds across a relatively broad lipophilicity range (e.g., pesticides with octanol–water partition coefficient log P up to ca. 8), assume a reverse-parab
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Yu, Yong, Xiaowei Liu, Zeying He, et al. "Development of a multi-residue method for 58 pesticides in soil using QuEChERS and gas chromatography-tandem mass spectrometry." Analytical Methods 8, no. 11 (2016): 2463–70. http://dx.doi.org/10.1039/c6ay00337k.

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This study develops a method for simultaneous determination of 58 pesticides in soil including those from organochlorine, organophosphorus, pyrethroid, carbamate and triazole classes and others commonly used in agricultural practice.
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Nguyen, Phu Ly Sy, Nguyen Duc Do, and Hien Thi To. "Investigation of pesticide residues in surface water in some areas of agricultural production at Ho Chi Minh city." Science and Technology Development Journal 16, no. 3 (2013): 106–19. http://dx.doi.org/10.32508/stdj.v16i3.1623.

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Residual levels of organochlorine and organophosphorus pesticides in surface water in some agricultural areas at Ho Chi Minh City were investigated in 2012. Four organophosphorus pesticides including Malathion, Parathion, Ethion and Trithion and seven organochlorine pesticides including Alpha - HCH, beta-HCH, gammaHCH, aldrin, Heptachlor – epoxide, AlphaEndosulfan and Endosulfan-sulfate were determined in the surface water in four dicstricts : Binh Chanh, Hoc Mon, Cu Chi and Binh Tan using gas chromatographic method with electron capture detector (GCECD). The results showed that residues of pe
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Osesua, B.A, A.I Tsafe, U.A. Birnin-Yauri, and D.M. Sahabi. "Determination of Pesticide Residues in Surface and Ground Water from Wurno Irrigation Farms and Environs in Sokoto State, Nigeria." Continental J. Applied Sciences 12, no. 2 (2017): 55–78. https://doi.org/10.5281/zenodo.839063.

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<em>The organochlorines (OCs) and organophosphorus (OPs) pesticides in water from Wurno irrigation farm having intensive agricultural activities were investigated to evaluate their levels of pollution in the environment. Sampling was done using grab method. Samples were subjected to Liquid-liquid extraction using ethylacetate /dichloromethane mixture (1:1) and clean-up on silica gel adsorbents. The detection and determination of the pesticide residues were performed using Gas-Chromatographic technique (GC-MS) coupled with MSD. The results obtained revealed that DDD one of the metabolites of DD
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Hopper, Marvin L. "Extraction and Cleanup of Organochlorine and Organophosphorus Pesticide Residues in Fats by Supercritical Fluid Techniques." Journal of AOAC INTERNATIONAL 80, no. 3 (1997): 639–46. http://dx.doi.org/10.1093/jaoac/80.3.639.

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Abstract A supercritical fluid extraction and cleanup procedure was developed for separating organochlorine and organophosphorus pesticides from fats. Supercritical carbon dioxide modified with 3% (v/v) acetonitrile was used to extract the pesticides at 6O°C and separate the pesticides from the fats at 4000 psi and 95°C on an in-line C? silica-based column. The extraction and cleanup procedure gave good recoveries for 43 of 62 nonpolar to moderately polar organochlorine and organophosphorus pesticides from fats, whereas 49 were recovered through conventional Florisil column cleanup before quan
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Chaturvedi, Prashant, Rupender Kumari, Ramesh Chandra Murthy, and Devendra Kumar Patel. "Analysis of pesticide residues in drinking water samples using solid-phase micro-extraction (SPME) coupled to a gas chromatography-electron-capture detector (GC-ECD)." Water Supply 11, no. 6 (2011): 754–64. http://dx.doi.org/10.2166/ws.2011.112.

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The headspace solid-phase micro-extraction (HS-SPME) method with polydimethylsiloxane (PDMS, 100 μm) fiber is a cost-effective technique for the determination of different pesticide residues in environmental and biological samples followed by a gas chromatography-electron-capture detector (GC-ECD). In the present study more than 147 water samples collected in and around Lucknow city were analyzed. The method detection limits and recovery percentages were found in the ranges of 0.05–0.20 μg/L and 87.1–95.3% respectively. The average concentration of organochlorine and organophosphorus pesticide
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Diserens, Henri. "Simplified Extraction and Cleanup for Multiresidue Determination of Pesticides in Lanolin." Journal of AOAC INTERNATIONAL 72, no. 6 (1989): 991–93. http://dx.doi.org/10.1093/jaoac/72.6.991.

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Abstract In the proposed method, a light petroleum solution of lanolin (wool fat) is adsorbed on diatomaceous earth in an Extrelut® column, and the pesticides are eluted with acetonitrile saturated with light petroleum. After evaporation to a small volume, the extract is subjected to solid-phase extraction (SPE) on a C-18 column. The acetonitrile eluate is evaporated to dryness and the residue is taken up in light petroleum. Organophosphorus pesticides are determined by temperature- programmed gas chromatography (GC) on a wide-bore column using a flame photometric detector in the phosphorus mo
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Dogheim, Salwa M., Sohair A. Gad Alla, Ashraf M. El-Marsafy, and Safaa M. Fahmy. "Monitoring Pesticide Residues in Egyptian Fruits and Vegetables in 1995." Journal of AOAC INTERNATIONAL 82, no. 4 (1999): 948–55. http://dx.doi.org/10.1093/jaoac/82.4.948.

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Abstract Organophosphorus, dithiocarbamates, and some synthetic pyrethroids pesticides, which are commonly used in Egypt for pest control, were monitored, as well as persistent organochlorines, which had been prohibited from use several years ago. Fruit and vegetable samples (397) were collected from 8 local markets and examined for 52 pesticides. Of all analyzed samples, 42.8% contained detectable residues, of which 1.76% exceeded their maximum residue limits (MRLs). The rates of contamination with the different pesticides were 0-86%. However, violation rates among contaminated products were
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Katsikantami, Ioanna, Matthaios P. Kavvalakis, Manolis N. Tzatzarakis, Alexander E. Nosyrev, Elena Vakonaki, and Aristidis M. Tsatsakis. "Advances on Biomonitoring of Organophosphorus and Organochlorine Pesticides." Journal of Siberian Federal University. Biology 10, no. 2 (2017): 153–70. http://dx.doi.org/10.17516/1997-1389-0019.

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Rozprawy doktorskie na temat "Organochlorine organophosphorus"

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Zhang, Yanling. "Hydrophobic organic compounds (HOCs) and algal derived organic materials (AOM) in drinking reservoirs around the Pearl River Delta Region : effects of chlorination and protecting effects of dietary antioxidants against genotoxic disinfection byproducts (DBPs)." HKBU Institutional Repository, 2012. https://repository.hkbu.edu.hk/etd_ra/1403.

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Hung, Dang-Quang. "Monitoring of organochlorine pesticides in surface waters in Hanoi and detoxification of organochlorine and organophosphorous pesticides in water by applying novel methods using ultraviolet irradiation, air ionisation and solar photocatalysis /." Berlin : Mensch & Buch Verlag, 2002. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=012967147&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Ciliberti, Alexandre. "Le Varan du Nil (Varanus niloticus), indicateur de la pollution des zones humides d’Afrique Sub-Saharienne." Thesis, Lyon 1, 2011. http://www.theses.fr/2011LYO10241/document.

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En Afrique, la contamination des zones humides par les métaux et les pesticides va se poursuivre durablement. Pour autant, le statut toxicologique de ces milieux reste trop peu documente. Le but du présent travail est d’estimer la valeur du varan du Nil (Varanus niloticus) en tant qu’espèce sentinelle pour la contamination des zones humides continentales d’Afrique sub-Saharienne. Plomb, cadmium, et pesticides organochlorés et organophosphorés ont été quantifies, par spectrométrie d’absorption atomique et chromatographie gazeuse (respectivement), dans plusieurs tissus provenant de 71 spécimens
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Hung, Dang-Quang [Verfasser]. "Monitoring of organochlorine pesticides in surface waters in Hanoi and detoxification of organochlorine and organophosphorous pesticides in water by applying novel methods using ultraviolet irradiation, air ionisation and solar photocatalysis / by Dang Quang Hung." 2002. http://d-nb.info/965563294/34.

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Części książek na temat "Organochlorine organophosphorus"

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Gitahi, S. M., D. M. Harper, S. M. Muchiri, M. P. Tole, and R. N. Ng’ang’a. "Organochlorine and organophosphorus pesticide concentrations in water, sediment, and selected organisms in Lake Naivasha (Kenya)." In Lake Naivasha, Kenya. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-017-2031-1_12.

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Gard, Nicholas W., and Michael J. Hooper. "An Assessement Of Potential Hazards Of Pesticides And Environmental Contaminants." In Ecology And Management Of Neotropical Migratory Birds. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195084405.003.0011.

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Abstract Since the discovery in the 1940s of the pesticidal properties of synthetic chlorinated hydrocarbon and organophosphorus com pounds, these chemicals have played an increasingly important role in pest control and public health programs worldwide. Large quantities of pesticides and industrial pollutants are released into the environment each year, and are frequently disseminated from point of release by biotic and abiotic processes, resulting in extensive global contamination. Soon after use of organochlorine pesticides became prevalent, adverse effects on nontarget species were detected
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Tsipi, D., A. Hiskia, and M. Triantafyllou. "LEVELS OF ORGANOCHLORINE AND ORGANOPHOSPHORUS PESTICIDE RESIDUES IN GREEK HONEY." In Natural Antioxidants and Food Quality in Atherosclerosis and Cancer Prevention. Elsevier, 1996. http://dx.doi.org/10.1533/9780857093059.437.

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Pickett, John A., lester J. Wadhams, and christine M. Woodcock. "Exploiting behaviourally active phytochemicals in crop protection." In Phytochemistry and Agriculture. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198577621.003.0004.

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Abstract Rapid and efficient destruction of invertebrate pests can be achieved by using synthetic pesticides that selectively disrupt the nervous system. Alternatives to these agents are urgently sought, partly because of real problems such as pesticide resistance but also because of misconceptions concerning the toxicity and synthetic nature of the compounds involved. Although some early organochlorine compounds persisted to an un acceptable extent in the environment and accumulated in predators at the top of the food chain, these have now been replaced by the much less persistent organophosp
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Gonzlez, Rosalina. "Degradation of Organochlorine and Organophosphorus Pesticides by Photocatalysis: Chlorpiryfos and Endosulfan Case Study." In Pesticides - Formulations, Effects, Fate. InTech, 2011. http://dx.doi.org/10.5772/13543.

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"Pesticide Residues in Foodstuffs in Pakistan: Organochlorine, Organophosphorus and Pyrethroid Insecticides in Fruits and Vegetables." In Environmental Toxicology Assessment. CRC Press, 2002. http://dx.doi.org/10.1201/9781482272666-31.

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Raporty organizacyjne na temat "Organochlorine organophosphorus"

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งามประเสริฐวงศ์, ธงชัย, та อาจอง ประทัตสุนทรสาร. สุขภาวะและชีววิทยาการสืบพันธุ์ของค้างคาวคุณกิตติ (Crasenycteris thonglongyai). จุฬาลงกรณ์มหาวิทยาลัย, 2015. https://doi.org/10.58837/chula.res.2015.62.

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การศึกษาปัจจัยทางกายภาพภายในถ้ำพระ (ทั้งถ้ำใหญ่และถ้ำเล็ก) ซึ่งเป็ นแหล่งอาศัย ของค้างคาวคุณกิตติในพื้นที่โครงการอนุรักษ์พันธุกรรมพืชอันเนื่องมาจากพระราชดำริ จังหวัดกาญจนบุรี พบว่า ภายในถ้ำใหญ่จะมีอุณหภูมิอากาศโดยเฉลี่ยตลอดทั้งปี เท่ากับ 27°C และมี ความชื้นสัมพัทธ์อากาศโดยเฉลี่ยตลอดทั้งปี เท่ากับ 80% ส่วนภายในถ้ำเล็กจะมีอุณหภูมิอากาศ โดยเฉลี่ยตลอดทั้งปี เท่ากับ 26°C และมีความชื้นสัมพัทธ์อากาศโดยเฉลี่ยตลอดทั้งปี เท่ากับ 90% โดยในฤดูฝนจะมีอุณหภูมิและความชื้นสัมพัทธ์ในอากาศโดยเฉลี่ยภายในถ้ำที่สูงกว่าในฤดูแล้ง และจากการศึกษาการปนเปื้อนของสารกำจัดวัชพืช (กลุ่ม Paraquat) และสารกำจัดแมลงศัตรูพืช (กลุ
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Amirav, Aviv, and Steven Lehotay. Fast Analysis of Pesticide Residues in Agricultural Products. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7695851.bard.

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The overall theme of this project was to increase the speed of analysis for monitoring pesticide residues in food. Traditionally, analytical methods for multiple pesticides are time-consuming, expensive, laborious, wasteful, and ineffective to meet critical needs related to food safety. Faster and better methods were needed to provide more cost-effective detection of chemical contaminants, and thus provide a variety of benefits to agriculture. This overarching goal to speed and improve pesticide analysis was successfully accomplished even beyond what was originally proposed by the investigator
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