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Статті в журналах з теми "Selenite bioreduction"
Soda, S., A. Hasegawa, M. Kuroda, A. Hanada, M. Yamashita, and M. Ike. "Selenium recovery from kiln powder of cement manufacturing by chemical leaching and bioreduction." Water Science and Technology 72, no. 8 (July 7, 2015): 1294–300. http://dx.doi.org/10.2166/wst.2015.339.
Повний текст джерелаMal, J., Y. V. Nancharaiah, E. D. van Hullebusch, and P. N. L. Lens. "Effect of heavy metal co-contaminants on selenite bioreduction by anaerobic granular sludge." Bioresource Technology 206 (April 2016): 1–8. http://dx.doi.org/10.1016/j.biortech.2016.01.064.
Повний текст джерелаRuiz-Fresneda, Miguel Angel, Jaime Gomez-Bolivar, Josemaria Delgado-Martin, Maria del Mar Abad-Ortega, Isabel Guerra-Tschuschke, and Mohamed Larbi Merroun. "The Bioreduction of Selenite under Anaerobic and Alkaline Conditions Analogous to Those Expected for a Deep Geological Repository System." Molecules 24, no. 21 (October 27, 2019): 3868. http://dx.doi.org/10.3390/molecules24213868.
Повний текст джерелаAhmed, Faheem, Sourabh Dwivedi, Nagih M. Shaalan, Shalendra Kumar, Nishat Arshi, Adil Alshoaibi, and Fohad Mabood Husain. "Development of Selenium Nanoparticle Based Agriculture Sensor for Heavy Metal Toxicity Detection." Agriculture 10, no. 12 (December 8, 2020): 610. http://dx.doi.org/10.3390/agriculture10120610.
Повний текст джерелаBorah, Siddhartha Narayan, Lalit Goswami, Suparna Sen, Deepa Sachan, Hemen Sarma, Milka Montes, Jose R. Peralta-Videa, Kannan Pakshirajan, and Mahesh Narayan. "Selenite bioreduction and biosynthesis of selenium nanoparticles by Bacillus paramycoides SP3 isolated from coal mine overburden leachate." Environmental Pollution 285 (September 2021): 117519. http://dx.doi.org/10.1016/j.envpol.2021.117519.
Повний текст джерелаWadgaonkar, Shrutika L., Joyabrata Mal, Yarlagadda V. Nancharaiah, Neeraj O. Maheshwari, Giovanni Esposito, and Piet N. L. Lens. "Formation of Se(0), Te(0), and Se(0)–Te(0) nanostructures during simultaneous bioreduction of selenite and tellurite in a UASB reactor." Applied Microbiology and Biotechnology 102, no. 6 (February 4, 2018): 2899–911. http://dx.doi.org/10.1007/s00253-018-8781-3.
Повний текст джерелаChung, Jinwook, Robert Nerenberg, and Bruce E. Rittmann. "Bioreduction of Selenate Using a Hydrogen-Based Membrane Biofilm Reactor." Environmental Science & Technology 40, no. 5 (March 2006): 1664–71. http://dx.doi.org/10.1021/es051251g.
Повний текст джерелаVan Ginkel, Steven W., Chen Zhou, Michael Lien, and Bruce E. Rittmann. "Hydrogen-Based Nitrate and Selenate Bioreductions in Flue-Gas Desulfurization Brine." Journal of Environmental Engineering 137, no. 1 (January 2011): 63–68. http://dx.doi.org/10.1061/(asce)ee.1943-7870.0000288.
Повний текст джерелаEregowda, Tejaswini, Eldon R. Rene, and Piet N. L. Lens. "Bioreduction of selenate in an anaerobic biotrickling filter using methanol as electron donor." Chemosphere 225 (June 2019): 406–13. http://dx.doi.org/10.1016/j.chemosphere.2019.02.158.
Повний текст джерелаRatnakomala, Shanti, Nurul Fitri Sari, Fahrurrozi Fahrurrozi, and Puspita Lisdiyanti. "Antimicrobial Activity of Selenium Nanoparticles Synthesized by Actinomycetes Isolated from Lombok Island Soil Samples." Jurnal Kimia Terapan Indonesia 20, no. 1 (August 21, 2018): 8–15. http://dx.doi.org/10.14203/jkti.v20i1.374.
Повний текст джерелаДисертації з теми "Selenite bioreduction"
Espinosa, Ortiz Erika. "Bioreduction of selenite and tellurite by Phanerochaete chrysosporium." Thesis, Paris Est, 2015. http://www.theses.fr/2015PESC1193/document.
Повний текст джерелаSelenium (Se) and tellurium (Te) are particular elements, they are part of the chalcogens (VI-A group of the periodic table) and share common properties. These metalloids are of commercial interest due to their physicochemical properties, and they have been used in a broad range of applications in advanced technologies. The water soluble oxyanions of these elements (i.e., selenite, selenate, tellurite and tellurate) exhibit high toxicities, thus their release in the environment is of great concern. Different physicochemical methods have been developed for the removal of these metalloids, mainly for selenium. However, these methods require specialized equipment, high costs and they are not ecofriendly. The biological treatment is a green alternative to remove Se and Te from polluted effluents. This remediation technology consists on the microbial reduction of Se and Te oxyanions in wastewater to their elemental forms (Se0 and Te0), which are less toxic, and when synthesized in the nano-size range, they can be of commercial value due to their enhanced properties. The use of fungi as potential Se- and Te-reducing organisms was demonstrated in this study. Response of the model white-rot fungus, Phanerochaete chrysosporium, to the presence of selenite and tellurite was evaluated, as well as their potential application in wastewater treatment and production of nanoparticles. The presence of Se and Te had a clear influence on the growth and morphology of the fungus. P. chrysosporium was found to be more sensitive to selenite. Synthesis of Se0 and Te0 nanoparticles entrapped in the fungal biomass was observed, as well as the formation of unique Se-Te nanocomposites when the fungus was cultivated concurrently in the presence of Se and Te. Potential use of fungal pellets for the removal of Se and Te from semi-acidic effluents (pH 4.5) was suggested. Moreover, the continuous removal of selenite in a fungal pelleted reactor was evaluated. The reactor showed to efficiently remove selenium at steady-state conditions (~70%), and it demonstrated to be flexible and adaptable to different operational conditions. The reactor operated efficiently over a period of 35 days. Good settleability of the fungal pellets facilitated the separation of the selenium from the treated effluent. The use of elemental selenium immobilized fungal pellets as novel biosorbent material was also explored. This hybrid sorbent was promising for the removal of zinc from semi-acidic effluents. The presence of selenium in the fungal biomass enhanced the sorption efficiency of zinc, compared to Se-free fungal pellets. Most of the research conducted in this study was focused on the use of fungal pellets. However, the response of the fungus to selenite in a different kind of growth was also evaluated. Microsensors and confocal imaging were used to evaluate the effects of selenium on fungal biofilms. Regardless of the kind of fungal growth, P. chrysosporium seems to follow a similar selenite reduction mechanism, leading to the formation of Se0. Architecture of the biofilm and oxygen activity were influenced by the presence of selenium
Jain, Rohan. "Biogenic nanoparticles of elemental selenium : synthesis, characterization and relevance in wastewater treatment." Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1178/document.
Повний текст джерелаNanoparticles exhibit many unique properties as compared to the bulk materials owning to their high surface to volume ratio. Elemental selenium nanoparticles also exhibit novel properties that are exploited in formation of solar cells, semiconductor rectifiers and removal of mercury and copper. However, the chemical synthesis of elemental selenium nanoparticles is costly, requires specialized equipments and uses toxic chemicals. On the other hand, biological production of elemental selenium nanoparticles (BioSeNPs) can be a green replacement for the chemically produced ones.BioSeNPs are produced by microbial reduction of selenite and selenate. The source of the selenium oxyanions can be the wastewaters, where microbial reduction is employed as a remediation technology for the removal of selenium. The formed BioSeNPs are colloidal poly-disperse particles with negative surface charge and are present in the effluent of the microbial reactor. However, the properties of these BioSeNPs are not very well understood. This knowledge would help us to produce better quality selenium nanomaterials, exploit produced BioSeNPs in the wastewater treatment and control the fate of these BioSeNPs in the microbial reactors. The characterization of BioSeNPs revealed the presence of the extracellular polymeric substances (EPS) on the surface of BioSeNPs. The EPS was identified to control the surface charge and to some extent the shape of the BioSeNPs. It was also found that the microbial reduction at 55 and 65 °C can lead to the formation of selenium nanowires as compared to nanospheres when the reduction takes place at 30 °C. These selenium nanowires are present in trigonal crystalline structure and are colloidal suspension, unlike the chemically formed trigonal selenium nanorods. This colloidal nature is due to negative ζ-potential values owning to the presence of EPS on the surface of biogenic selenium nanowires. Since proteins are a major component present in the EPS, the presence of various proteins on the surface of BioSeNPs was determined. The interaction of the various amino acids with the BioSeNPs was also evaluated.The interaction of heavy metals and BioSeNPs was studied with a view of developing a technology where BioSeNPs present in the effluent of an upflow anaerobic sludge blanket (UASB) reactor are mixed with heavy metals containing wastewater leading to removal of both BioSeNPs and heavy metals. It was found that Cu, Cd and Zn can be effectively adsorbed onto BioSeNPs. Cu was 4.7 times preferentially adsorbed onto BioSeNPs. The interaction of BioSeNPs with the heavy metals led to less negative ζ-potential of BioSeNPs loaded with heavy metals and thus better settling of BioSeNPs was achieved. The presence of BioSeNPs in the effluent of the microbial reactor treating selenium oxyanions containing wastewaters is undesirable due to higher total selenium concentrations. Thus, the attempts to capture of these BioSeNPs in the biomass/bioreactors were made. The activated sludge reactor system was investigated to aerobically reduce selenite to BioSeNPs and trap them in the activated sludge flocs. Around 80% of the fed selenium was trapped in the biomass. Sequential extraction revealed that the trapped selenium is BioSeNPs. The trapping of BioSeNPs in the sludge improved the settleability and hydrophilicity of the activated sludge flocs. When the UASB reactor were operated under mesophilic and thermophilic conditions, the total selenium concentration in the effluent under thermophilic conditions were lower than that of observed in mesophilic conditions suggesting better trapping of BioSeNPs.Keywords: Selenium, bioreduction, BioSeNPs, EPS, ζ-potential, heavy metals, activated sludge, UASB reactors, thermophilic
Greta, Baggio. "Investigation on Bacterial Selenite Reduction to Elemental Selenium by Bacillus mycoides SeITE01 and Stenotrophomonas maltophilia SeITE02 through Spectroscopic and Metabolomics Analyses, with Characterization of Biogenic Selenium Nanoparticles (Bio-SeNPs)." Doctoral thesis, 2020. http://hdl.handle.net/11562/1015752.
Повний текст джерелаКниги з теми "Selenite bioreduction"
Espinosa-Ortiz, Erika Jimena. Bioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium. Taylor & Francis Group, 2021.
Знайти повний текст джерелаBioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium. Taylor & Francis Group, 2021.
Знайти повний текст джерелаEspinosa-Ortiz, Erika Jimena. Bioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium. Taylor & Francis Group, 2018.
Знайти повний текст джерелаEspinosa-Ortiz, Erika Jimena. Bioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium. Taylor & Francis Group, 2016.
Знайти повний текст джерелаEspinosa-Ortiz, Erika Jimena. Bioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium. Taylor & Francis Group, 2021.
Знайти повний текст джерелаEspinosa-Ortiz, Erika Jimena. Bioreduction of Selenite and Tellurite by Phanerochaete Chrysosporium. Taylor & Francis Group, 2021.
Знайти повний текст джерелаЧастини книг з теми "Selenite bioreduction"
Espinosa-Ortiz, Erika Jimena. "Sorption of zinc onto elemental selenium nanoparticles immobilized in Phanerochaete chrysosporium pellets." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 86–103. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-11.
Повний текст джерелаEspinosa-Ortiz, Erika Jimena. "Mycotechnology for the treatment of Se and Te contaminated effluents and biomineralization of Se0 and Te 0 nanoparticles." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 140–52. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-14.
Повний текст джерелаEspinosa-Ortiz, Erika Jimena. "Biomineralization of tellurium and selenium-tellurium nanoparticles by the white-rot fungus Phanerochaete chrysosporium." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 123–39. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-13.
Повний текст джерелаEspinosa-Ortiz, Erika Jimena. "General Introduction." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 1–6. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-7.
Повний текст джерелаEspinosa-Ortiz, Erika Jimena. "Effect of selenite on the morpholoy and respiratory activity of Phanerochaete chrysosporium biofilms." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 104–22. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-12.
Повний текст джерелаEspinosa-Ortiz, Erika Jimena. "Literature Review." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 7–44. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-8.
Повний текст джерелаEspinosa-Ortiz, Erika Jimena. "Effects of selenium oxyanions on the white-rot fungus Phanerochaete chrysosporium." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 45–65. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-9.
Повний текст джерелаEspinosa-Ortiz, Erika Jimena. "Removal of selenite from wastewater in a Phanerochaete chrysosporium pellet based fungal bioreactor." In Bioreduction of selenite and tellurite by Phanerochaete chrysosporium, 66–85. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781315138381-10.
Повний текст джерелаMal, Joyabrata. "Effect of Heavy Metal Co-Contaminants on Selenite Bioreduction by Anaerobic Granular Sludge." In Microbial Synthesis of Chalcogenide Nanoparticles, 85–105. CRC Press, 2018. http://dx.doi.org/10.1201/9780429470943-4.
Повний текст джерелаWadgaonkar, Shrutika Laxmikant. "Formation of Se(0), Te(0) and Se(0)-Te(0) nanostructures during simultaneous bioreduction of selenite and tellurite in upflow anaerobic sludge blanket reactor." In Novel bioremediation processes for treatment of seleniferous soils and sediment, 171–96. CRC Press, 2018. http://dx.doi.org/10.1201/9780429427428-8.
Повний текст джерела