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Artykuły w czasopismach na temat „Pentachlorophenol”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Shokoohi, Reza, Salah Azizi, Seyed Amir Ghiasian, and Ali Poormohammadi. "Biosorption of Pentachlorophenol from Aqueous Solutions by Aspergillus Niger Biomass." Iranian Journal of Toxicology 10, no. 3 (2016): 33–39. http://dx.doi.org/10.32598/ijt.10.4.337.1.

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Background: This study aimed to investigate the biosorption of pentachlorophenol on Aspergillus niger biomass as a method for removal of pentachlorophenol from aqueous solutions. Methods: Modified A. niger biomass with NaOH was used to absorb the pentachlorophenol. The impacts of various experimental parameters like primary pentachlorophenol concentration, pH of the solution, contact time, and biomass dosage on the biosorption of pentachlorophenol were investigated. Results: The correlation of contact time, pH and initial concentration with the biosorption of pentachlorophenol by A. niger biom

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2

Pignatello, Joseph J., LeeAnn K. Johnson, Michael M. Martinson, Robert E. Carlson, and Ronald L. Crawford. "Response of the microflora in outdoor experimental streams to pentachlorophenol: environmental factors." Canadian Journal of Microbiology 32, no. 1 (1986): 38–46. http://dx.doi.org/10.1139/m86-008.

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The 2nd year of a 2-year study of the fate of pentachlorophenol in outdoor artificial streams focused on details of microbial degradation by a combination of in situ and laboratory measurements. Replicate streams were dosed continuously at pentachlorophenol concentrations of 0, 48, and 144 μg/L, respectively, for an 88-d period during the summer of 1983. Pentachlorophenol was degraded both aerobically and anaerobically. Aerobic degradation was more rapid than anaerobic degradation. Mineralization of pentachlorophenol was concommitant with pentachlorophenol disappearance under aerobic condition

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3

Wu, Ting-Nien. "Electrochemical removal of pentachlorophenol in a lab-scale platinum electrolyzer." Water Science and Technology 62, no. 10 (2010): 2313–20. http://dx.doi.org/10.2166/wst.2010.096.

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This study is focused on the removal of pentachlorophenol from its aqueous phase by electrochemically induced degradation with Pt electrodes. The objective of this study was to contrast the electrochemical removal of pentachlorophenol at the oxidative and the reductive potentials, and further to understand how to apply the electrochemical treatment on PCP degradation. Lab experiments were conducted in a Pt electrolyzer, and the voltage source was supplied and precisely controlled by an electrochemical analyzer. In these experiments, the variables including electrolyte species, pH, voltage supp

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4

Seiler, J. P. "Pentachlorophenol." Mutation Research/Reviews in Genetic Toxicology 257, no. 1 (1991): 27–47. http://dx.doi.org/10.1016/0165-1110(91)90018-q.

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Wall, A. James, and Glenn W. Stratton. "Effects of a chromated-copper-arsenate wood preservative on the bacterial degradation of pentachlorophenol." Canadian Journal of Microbiology 40, no. 5 (1994): 388–92. http://dx.doi.org/10.1139/m94-063.

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The effect of a chromated-copper-arsenate wood preservative on the degradation of pentachlorophenol by Flavobacterium sp. strain ATCC 53874 was examined in liquid culture. Both a commercially available and a laboratory-prepared formulation were tested. Each increased the lag time required for measurable pentachlorophenol degradation and the time required for complete degradation to nondetectable levels. This response was noted at all pentachlorophenol concentrations examined (10, 25, 50, 75, and 100 μg∙mL−1). The commercial formulation of chromated-copper-arsenate had the more significant impa

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6

Choudhury, H., J. Coleman, C. T. De Rosa, and J. F. Stara. "Pentachlorophenol: Health and Environmental Effects Profile." Toxicology and Industrial Health 2, no. 4 (1986): 483–571. http://dx.doi.org/10.1177/074823378600200409.

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Pentachlorophenol is used as an industrial wood preservative for utility poles, crossarms, fence posts, and other purposes (79%);for NaPCP (12%); and miscellaneous, including mill uses, consumer wood preserving formulations and herbicide intermediate (9%) (CMR, 1980). As a wood preservative, pentachlorophenol acts as both a fungicide and insecticide (Freiter, 1978). The miscellaneous mill uses primarily involve the application of pentachlorophenol as a slime reducer in paper and pulp milling and may constitute ∼6% of the total annual consumption of pentachlorophenol (Crosby et al., 1981). Sodi

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7

Agrawal, Omi, G. Sunita, and Vinay K. Gupta. "Sensitive Spectrophotometric Method for Determining Pentachlorophenol in Various Environmental Samples." Journal of AOAC INTERNATIONAL 81, no. 4 (1998): 803–7. http://dx.doi.org/10.1093/jaoac/81.4.803.

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Abstract A new, simple, and sensitive spectrophotometric method is described for determination of pentachlorophenol, a widely used insecticide and herbicide, in various environmental samples. The method is based on the reaction of pentachlorophenol with concentrated nitric acid to form chloranil, which liberates iodine from potassium iodide. The liberated iodine then selectively oxidizes leucocrystal violet to form crystal violet, which has an absorption maximum at 592 nm. Beer's law is obeyed over the concentration range of 0.1-1.6 μg pentachlorophenol/ 25 ml_ (0.004-0.064 ppm). The method wa

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8

Janas, Monika, and Alicja Zawadzka. "Degradation of pentachlorophenol by high temperature hydrolysis." Acta Innovations, no. 31 (April 1, 2019): 64–70. http://dx.doi.org/10.32933/actainnovations.31.7.

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The long-term use of plant protection products in agriculture, including pentachlorophenol (PCP), has contributed to their widespread distribution in the natural environment. So far, no cheap and effective techniques for removing chlorophenols by physicochemical or biological methods have been developed. Therefore, alternative methods of neutralizing them are currently being sought. The aim of the study was to investigate the possibility of pentachlorophenol decomposition by high temperature thermohydrolysis. The decomposition process was carried out at a constant pressure of 25 MPa, in the te

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9

Wilbur, W. Allan. "Pentachlorophenol exposure." Lancet 350, no. 9080 (1997): 818. http://dx.doi.org/10.1016/s0140-6736(05)62619-0.

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10

Proudfoot, Alex T. "Pentachlorophenol Poisoning." Toxicological Reviews 22, no. 1 (2003): 3–11. http://dx.doi.org/10.2165/00139709-200322010-00002.

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11

Fawcett, HowardH. "Pentachlorophenol toxicity." Journal of Hazardous Materials 39, no. 1 (1994): 120–21. http://dx.doi.org/10.1016/0304-3894(94)80064-2.

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12

Brzeźnicki, Sławomir, and Marzena Bonczarowska. "Pentachlorophenol. Determination in workplace air by means of high performance liquid chromatography." Podstawy i Metody Oceny Środowiska Pracy 35, no. 1(99) (2019): 59–74. http://dx.doi.org/10.5604/01.3001.0013.0808.

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Pentachlorophenol (PCF) in room temperature is a crystalline solid with phenol-like odor. It is soluble in most organic solvents (diethyl ether, acetone, carbon tetrachloride, methanol). It is slightly soluble in water. Pentachlorophenol is used as a fungicide, insecticide and as non-selective herbicide (defoliant) in cotton crops. It is also used as antimicrobial agent in leather, paper and textile industry. It has been widely used as wood preservative in wood and construction industry. Occupational exposure to pentachlorophenol may cause irritation of mucous membranes of the eyes and the upp

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13

Benfieid, Mark C., and David V. Aldrich. "Avoidance of Pentachlorophenol by Postlarval Brown Shrimp (Penaeus aztecus) (Decapoda, Penaeidae) in a Laminar-Flow Choice Chamber." Canadian Journal of Fisheries and Aquatic Sciences 51, no. 4 (1994): 784–91. http://dx.doi.org/10.1139/f94-076.

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Responses of postlarval brown shrimp (Penaeus aztecus) to pentachlorophenol (0–450 μg∙L−1) were measured in synthetic seawater and estuarine water using a laminar-flow choice chamber. This chamber provides individual postlarvae with equal exposure to two parallel olfactant streams separated by a steep concentration gradient. Shrimp detected and avoided pentachlorophenol concentrations above 91 μg∙L−1 in synthetic seawater. This detection threshold reflects limitations in statistical power, and with increased replication the physiological threshold could probably be resolved at a much lower con

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14

Searle, E. H., and E. Bell. "The determination of chlorine in pentachlorophenol and pentachlorophenol laurate." Journal of Applied Chemistry 4, no. 8 (2007): 430–33. http://dx.doi.org/10.1002/jctb.5010040808.

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15

Torres, Patricia, Camilo Hernán Cruz Vélez, Magally González, et al. "Pentachlorophenol reduction in raw Cauca river water through activated carbon adsorption in water purification." Ingeniería e Investigación 28, no. 3 (2008): 92–95. http://dx.doi.org/10.15446/ing.investig.v28n3.15126.

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Reducing chemical risk in raw water from the River Cauca (caused by the presence of pentachlorophenol and organic matter (real color, UV254 absorbance)) was evaluated at bench scale by using three treatment sequences: adsorption with powdered activated coal (PAC); adsorption – coagulation; and, adsorption – disinfection – coagulation. The results showed that although PAC is appropriate for pentachlorophenol removal, and its use together with the coagulant (aluminium sulphate) significantly improved phenolic compound and organic matter removal (promoting enhanced coagulation), the most efficien

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16

Beattie, JK, JA Demartin, and BJ Kennedy. "Destructive Oxidation of Chlorophenols." Australian Journal of Chemistry 47, no. 10 (1994): 1859. http://dx.doi.org/10.1071/ch9941859.

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The destructive oxidation of pentachlorophenol in alkaline aqueous solution has been attempted with tetraoxoruthenium species as catalysts and hypochlorite as the terminal oxidant. The product solution contained no pentachlorophenol. Only traces of chlorinated compounds which could be extracted with dichloromethane were present. Measurements of the quantity of base and of hypochlorite added to the reaction mixture indicated that the oxidation did not proceed to completely to carbonate, but rather to unidentified compounds with an average carbon oxidation state of about three. Oxidation with pe

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17

Mundeja, Prashant, Manish Kumar Rai, Deepak Kumar Sahu, Kalpana Wani, Mamta Nirmal, and Joyce Rai. "Determination of Pentachlorophenol in Environmental Samples by Spectrophotometry." Journal of Ravishankar University (PART-B) 34, no. 1 (2021): 35–40. http://dx.doi.org/10.52228/jrub.2021-34-1-5.

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Pentachlorophenol (PCP) (2,3,4,5,6- pentachlorophenol) is an organochlorine compound used as a pesticide and a disinfectant. PCP is used as a herbicide, insecticide, fungicide and disinfectant. Some applications include agricultural seeds (for nonfood uses), leather, masonry, wood preservation, cooling tower water, rope, and paper mills. Determination of Pentachlorophenol was based on the reaction of PCP with concentrated nitric acid followed by potassium iodide for the liberation of iodine. Liberated iodine reacted with leuco malachite green for the formation of green colour dye which was mea

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18

Zubov, I. N., A. V. Velyamidova, and E. S. Kolpakova. "Persistent Organochlorine Pollutants in High-Moor Peats of the Arkhangelsk Region." Ecology and Industry of Russia 28, no. 7 (2024): 37–41. http://dx.doi.org/10.18412/1816-0395-2024-7-37-41.

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The results of a study of the contamination of a peat deposit of a representative oligotrophic bog complex (Primorsky district of the Arkhangelsk region) with persistent organic pollutants of polychlorobenzenes and pentachlorophenol are presented. Data on the quantitative content, composition and depth distribution of organochlorine pollutants have been obtained. The maximum amounts of polychlorobenzenes, pentachlorophenol and other chlorinated phenols in the upper 40-centimeter aerated layer of the peat deposit, the formation of which coincides with the period of “chlorine chemistry”, have be

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19

Sato, Kyo. "Effect of a pesticide pentachlorophenol on soil microflora. III. Growth rates as an index of pesticide resistance of bacterial groups isolated from soil." Canadian Journal of Microbiology 33, no. 9 (1987): 819–22. http://dx.doi.org/10.1139/m87-141.

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Pentachlorophenol resistance was investigated in bacteria isolated from glycine- or water-percolated soils where the bacterial flora was modified by the addition of pentachloropenol. The strains isolated from the water-percolated soil amended with PCP had the highest resistance, and the addition of glycine to the percolated soil weakened the resistance. The strains from the glycine-percolated soil without pentachlorophenol had a medium degree of resistance, and the resistance of the strains from the water-percolated soil without PCP was the lowest. The bacterial groups were sorted taxonomicall

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20

Yan, Da-Zhong, Hong Liu, and Ning-Yi Zhou. "Conversion of Sphingobium chlorophenolicum ATCC 39723 to a Hexachlorobenzene Degrader by Metabolic Engineering." Applied and Environmental Microbiology 72, no. 3 (2006): 2283–86. http://dx.doi.org/10.1128/aem.72.3.2283-2286.2006.

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ABSTRACT The gene cassette (camA + camB + camC) encoding a cytochrome P-450cam variant was integrated into the nonessential gene pcpM of the pentachlorophenol degrader Sphingobium chlorophenolicum ATCC 39723 by homologous recombination. The recombinant strain could degrade hexachlorobenzene at a rate of 0.67 nmol · mg (dry weight)−1 · h−1, and intermediate pentachlorophenol was also identified.

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21

Renner, G., and W. Mücke. "Transformations of pentachlorophenol." Toxicological & Environmental Chemistry 11, no. 1 (1986): 9–29. http://dx.doi.org/10.1080/02772248609357116.

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22

Engelhardt, G., P. R. Wallnöfer, W. Mücke, and G. Renner. "Transformations of pentachlorophenol." Toxicological & Environmental Chemistry 11, no. 3 (1986): 233–52. http://dx.doi.org/10.1080/02772248609357134.

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23

Jorens, Philippe G., and Paul J. C. Schepens. "Human Pentachlorophenol Poisoning." Human & Experimental Toxicology 12, no. 6 (1993): 479–95. http://dx.doi.org/10.1177/096032719301200605.

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Pentachlorophenol (PCP) was, and still is, one of the most frequently used fungicides and pesticides, Its toxicity is due to interference with oxidative phosphorylation. Acute and chronic poisoning may occur by dermal absorption, inhalation or ingestion. Chronic poisoning occurs mainly in sawmill workers or people living in log homes treated with PCPcontaining wood protecting formulations. Quantitative determination of PCP in urine and serum is useful to detect occupational or subclinical exposure. The clinical features of acute and chronic PCP poisoning can be classified systematically into e

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24

Bower Carberry, J., and L. E. Kovach. "Decrease in Toxicity of Pentachlorophenol and Toluene to Growth of Selected Microbial Consortia and Activated Sludge by Pretreatment with Phanerochaete chrysosporium." Water Science and Technology 26, no. 9-11 (1992): 2125–28. http://dx.doi.org/10.2166/wst.1992.0677.

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The white rot fungus Phanerochaete chrysosporium can degrade toxic compounds under specific nutrient conditions. This attribute was utilized in order to determine the effect of fungal pretreatment on model compounds pentachlorophenol and toluene. The fungal culture was purchased from ATCC, cultured on dextrose agar, and the mycelia harvested to degrade the model compounds. P. chrysosporium was able to degrade up to 74% of initial pentachlorophenol concentration in eight days and up to 31% initial toluene in 31 hours. Specific growth rates of activated sludge and selected microbial consortia we

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25

Kamashwaran, S. R., and Don L. Crawford. "Mechanisms of cadmium resistance in anaerobic bacterial enrichments degrading pentachlorophenol." Canadian Journal of Microbiology 49, no. 7 (2003): 418–24. http://dx.doi.org/10.1139/w03-053.

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The mechanisms of heavy-metal resistance used by adapted sulfidogenic and methanogenic enrichments degrading pentachlorophenol in the presence of cadmium (Cd) were studied. The enrichment cultures adapted to and readily tolerated bioavailable Cd concentrations up to 50 ppm while degrading an equal concentration of pentachlorophenol. Both cultures removed >95% of the Cd from solution. Transmission electron micrographs revealed (i) the presence of electron-dense particles surrounding the cells in the sulfidogenic enrichments and (ii) the unusual clumping of cells and the presence of an exopol

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26

Saboo, Vandana M., and Michael A. Gealt. "Gene sequences of the pcpB gene of pentachlorophenol-degrading Sphingomonas chlorophenolica found in nondegrading bacteria." Canadian Journal of Microbiology 44, no. 7 (1998): 667–75. http://dx.doi.org/10.1139/w98-055.

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Bacteria isolated from a pentachlorophenol (PCP) contaminated site grew in the presence of 50 µg PCP/mL but were not able to degrade it in either liquid medium or the presence of 1% sterile potting soil as a solid support. Probes developed using the gene sequence of PCP-4-monooxygenase (pcpB) from Sphingomonas chlorophenolica sp.nov hybridized to two separate isolates. Identification based on fatty acid methyl ester profiles (Sherlock), substrate utilization (BIOLOG), and 16S rRNA showed that the two strains were different from each other and from Sphingomonas chlorophenolica. Sequences from

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27

Xun, L., E. Topp, and C. S. Orser. "Confirmation of oxidative dehalogenation of pentachlorophenol by a Flavobacterium pentachlorophenol hydroxylase." Journal of Bacteriology 174, no. 17 (1992): 5745–47. http://dx.doi.org/10.1128/jb.174.17.5745-5747.1992.

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Preiss, U., G. Engelhardt, P. R. Wallnöfer та W. Mücke. "Degradation of veratrylglycerol-β-(pentachlorophenyl)ether, a model compound for lignin bound pentachlorophenol residues". Chemosphere 16, № 5 (1987): 963–68. http://dx.doi.org/10.1016/0045-6535(87)90032-4.

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Gómez-Catalán, J., J. To-Figueras, J. Planas, M. Rodamilans, and J. Corbella. "Pentachlorophenol and Hexachlorobenzene in Serum and Urine of the Population of Barcelona." Human Toxicology 6, no. 5 (1987): 397–400. http://dx.doi.org/10.1177/096032718700600509.

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1 Urinary chlorophenols of the general population of Barcelona, Spain were determined. Pentachlorophenol (PCP: 25.0 ± 3.9 ng/ml; x ± s.e.m., n = 50) and tetrachlorophenol (TCP: 6.2 ± 1.6 ng/ml; x ± s.e.m., n = 25) were found in all samples. 2 Pentachlorophenol and hexachlorobenzene were also determined in serum. Both were present in all samples (PCP: 21.9 ± 1.9 ng/ml; HCB: 11.1 ± 1.1 ng/ml; x ± s.e.m., n = 100). Their concentrations do not show any correlation, suggesting no metabolic relation between them.

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30

Gonzalez, Jorge Froilán, and Wei-Shou Hu. "Pentachlorophenol Biodegradation: Simple Models." Environmental Technology 16, no. 3 (1995): 287–93. http://dx.doi.org/10.1080/09593331608616271.

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Zimbron, Julio A., and Kenneth F. Reardon. "Fenton's oxidation of pentachlorophenol." Water Research 43, no. 7 (2009): 1831–40. http://dx.doi.org/10.1016/j.watres.2009.01.024.

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López-Rivadulla, Manuel, Inés Sánchez, Angelines Cruz, and P. Fernández y Estela Pino. "Fatal ingestion of pentachlorophenol." Toxicology Letters 88 (October 1996): 87. http://dx.doi.org/10.1016/s0378-4274(96)80313-4.

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Roberts, HJ. "Effects of pentachlorophenol exposure." Lancet 349, no. 9069 (1997): 1917. http://dx.doi.org/10.1016/s0140-6736(05)63924-4.

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Piccinini, Paola, Pierre Pichat, and Chantal Guillard. "Phototransformations of solid pentachlorophenol." Journal of Photochemistry and Photobiology A: Chemistry 119, no. 2 (1998): 137–42. http://dx.doi.org/10.1016/s1010-6030(98)00387-6.

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Tikoo, V., A. H. Scragg, and S. W. Shales. "Microalgal biodegradation of pentachlorophenol." International Biodeterioration & Biodegradation 37, no. 3-4 (1996): 247. http://dx.doi.org/10.1016/0964-8305(96)88291-6.

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Lamprecht, I., Ch Motzkus, B. Schaarschmidt, and D. Coenen-Stass. "Pentachlorophenol - an environmental pollutant." Thermochimica Acta 172 (December 1990): 87–94. http://dx.doi.org/10.1016/0040-6031(90)80562-d.

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Leet, Terry L., and James J. Collins. "Chloracne and pentachlorophenol operations." American Journal of Industrial Medicine 20, no. 6 (1991): 815–16. http://dx.doi.org/10.1002/ajim.4700200616.

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Banerji, Shankha K., S. M. Wei, and Rakesh K. Bajpai. "Pentachlorophenol interactions with soil." Water, Air, & Soil Pollution 69, no. 1-2 (1993): 149–63. http://dx.doi.org/10.1007/bf00478356.

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McAllister, Kelly A., Hung Lee, and Jack T. Trevors. "Microbial degradation of pentachlorophenol." Biodegradation 7, no. 1 (1996): 1–40. http://dx.doi.org/10.1007/bf00056556.

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Shi, Yong Fu, Wen Qin Liu, Dong Mei Huang та ін. "Determination of Pentachlorophenol and Sodium Pentachlorophenolate in Fishery Products by Acetic Anhydride Derivatization/GC/μ-ECD". Advanced Materials Research 554-556 (липень 2012): 1470–74. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.1470.

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A method was estimated to detect pentachlorophenol and sodium pentachlorophenolate in fishery products by gas chromatography with μ-ECD detector. Procedures of the method included extraction, alkaline stripping and derivatization. The pH of sample matrix was modified to 3-4 by nitric acid solution(nitric acid:water 1:1). Target compounds were extracted by hexane first and 0.2mol/L potassium hydroxide solution was used as stripping reagent to isolate pentachlorophenol from hexane. Acetic anhydride was taken as derivatizing reagent to convert target compounds into nonpolar ester compounds accord

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41

Samis, Andrew J. W., Patrick W. Colgan, and Peter H. Johansen. "Recovery from the effects of subchronic pentachlorophenol exposure on the growth of juvenile bluegill sunfish (Lepomis macrochirus)." Canadian Journal of Zoology 72, no. 11 (1994): 1973–77. http://dx.doi.org/10.1139/z94-269.

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Exposure of juvenile bluegill sunfish (Lepomis macrochirus) to 48 and 173 μg/L pentachlorophenol (20 and 72% of 96-h LC50, respectively) for 22 days produced a significant reduction in food conversion efficiency measured over the last 10 days of exposure. A 22-day recovery period in untreated water caused food conversion efficiency values to increase so that there was no longer a significant difference between previously exposed and control fish. For bluegill sunfish, exposure to sublethal levels of pentachlorophenol can decrease food-conversion efficiency, but recovery from this state of redu

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42

Osman, Rozita, and Norashikin Saim. "Selective Extraction of Organic Contaminants from Soil Using Pressurised Liquid Extraction." Journal of Chemistry 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/357252.

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This study focuses on the application of sorbents in pressurised liquid extraction (PLE) cell to establish a selective extraction of a variety of organic contaminants (polycyclic aromatic hydrocarbons (PAHs), chlorpyrifos, phenol, pentachlorophenol, and sterols) from soil. The selectivity and efficiency of each sorbent depend on the properties of the material, extracting solvent, capacity factor, organic compounds of interest, and PLE operating parameters (temperature, pressure, and extraction time). Several sorbents (silica, alumina, and Florisil) were evaluated and with the proper choice of

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Fuentes, María S., Gabriela E. Briceño, Juliana M. Saez, Claudia S. Benimeli, María C. Diez, and María J. Amoroso. "Enhanced Removal of a Pesticides Mixture by Single Cultures and Consortia of Free and ImmobilizedStreptomycesStrains." BioMed Research International 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/392573.

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Pesticides are normally used to control specific pests and to increase the productivity in crops; as a result, soils are contaminated with mixtures of pesticides. In this work, the ability ofStreptomycesstrains (either as pure or mixed cultures) to remove pentachlorophenol and chlorpyrifos was studied. The antagonism among the strains and their tolerance to the toxic mixture was evaluated. Results revealed that the strains did not have any antagonistic effects and showed tolerance against the pesticides mixture. In fact, the growth of mixed cultures was significantly higher than in pure cultur

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Hlouchova, Klara, Johannes Rudolph, Jaana M. H. Pietari, Linda S. Behlen, and Shelley D. Copley. "Pentachlorophenol Hydroxylase, a Poorly Functioning Enzyme Required for Degradation of Pentachlorophenol bySphingobium chlorophenolicum." Biochemistry 51, no. 18 (2012): 3848–60. http://dx.doi.org/10.1021/bi300261p.

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Hammill, Terry B., and Ronald L. Crawford. "Bacterial microencapsulation with three algal polysaccharides." Canadian Journal of Microbiology 43, no. 11 (1997): 1091–95. http://dx.doi.org/10.1139/m97-156.

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Methods for encapsulating pollutant-degrading bacteria into microbeads of carrageenan type I, carrageenan type II, and guar gum are described. Cell suspensions in solutions of encapsulating agents were passed through a low-pressure nozzle into an aqueous medium. The resultant aerosols polymerized to form microbeads that ranged in diameter from 2–70 μm. Pentachlorophenol degradation experiments with an encapsulated Sphingomonas sp. showed degradation rates similar to those seen using free cells. These results describe three additional matrices for the microencapsulation of bacteria that have po

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KHENE, SAMSON, and TEBELLO NYOKONG. "CHARACTERIZATION OF QUANTUM DOTS, SINGLE WALLED CARBON NANOTUBES AND NICKEL OCTADECYLPHTHALOCYANINE CONJUGATES." International Journal of Nanoscience 11, no. 02 (2012): 1250022. http://dx.doi.org/10.1142/s0219581x12500226.

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In this work nickel octadecylphthalocyanine (NiPc(C10H21)8) and cadmium telluride quantum dots (QDs) capped with thioglycolic acid (TGA) are adsorbed on single walled carbon nanotubes (SWCNT) to form NiPc(C10H21)8 -SWCNT-QDs conjugate. X-ray photoelectron, ultra violet/visible and Raman spectroscopies are used to characterize the conjugate. SWCNT, poly- Ni(O)Pc(C10H21)8 , NiPc(C10H21)8 -SWCNT and NiPc(C10H21)8 -SWCNT-QDs complexes are used to modify glassy carbon electrode (GCE) and used for the electro-oxidation of pentachlorophenol as a test molecule. NiPc(C10H21)8 -SWCNT-QDs electrode gave

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Bian, Weiwei, Sha Zhu, Mingying Qi, Lanlan Xiao, Zhen Liu, and Jinhua Zhan. "Electrostatic-driven solid phase microextraction coupled with surface enhanced Raman spectroscopy for rapid analysis of pentachlorophenol." Analytical Methods 9, no. 3 (2017): 459–64. http://dx.doi.org/10.1039/c6ay03036j.

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Reis, A. R., and Y. Sakakibara. "Enzymatic degradation of endocrine-disrupting chemicals in aquatic plants and relations to biological Fenton reaction." Water Science and Technology 66, no. 4 (2012): 775–82. http://dx.doi.org/10.2166/wst.2012.241.

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In order to evaluate the removal performance of trace phenolic endocrine-disrupting chemicals (EDCs) by aquatic plants, batch and continuous experiments were conducted using floating and submerged plants. The EDCs used in this study were bisphenol A, 2,4-dichlorophenol, 4-tert-octylphenol, pentachlorophenol, and nonylphenol. The feed concentration of each EDC was set at 100 μg/L. Continuous experiments showed that every EDC except pentachlorophenol was efficiently removed by different aquatic plants through the following reaction, catalyzed by peroxidases: EDCs+H2O2→Products+H2O2. Peroxidases

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Guo, Ying, Bing Liao, Kun Wang, et al. "Efficient removal of pentachlorophenol from aqueous solution by 4-tert-butylcalix[8]arene modified thermally sensitive hydrogels." RSC Advances 8, no. 13 (2018): 6840–48. http://dx.doi.org/10.1039/c8ra00392k.

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Ammeri, Rim Werheni, Ines Mehri, Souhir Badi, Wafa Hassen, and Abdenaceur Hassen. "Pentachlorophenol degradation by Pseudomonas fluorescens." Water Quality Research Journal 52, no. 2 (2015): 99–108. http://dx.doi.org/10.2166/wqrj.2017.003.

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Fluorescent Pseudomonads strains were considered as plant growth promoting bacteria. They exhibited antagonistic activities against phytopathogens and showed bio-fertilizing properties. The strain Pseudomonas fluorescens PsWw128, isolated from wastewater, can use the pentachlorophenol (PCP) as the sole source of carbon and energy. High-performance liquid chromatography (HPLC) and spectrophotometric methods were used to follow the PCP degradation and biomass PsWw128 formation. However, the removal efficiency of PCP was highly significant. Thus, PsWw128 was able to degrade more than 99% of PCP w

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