Добірка наукової літератури з теми "2-Methylisoborneol (MIB)"
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Статті в журналах з теми "2-Methylisoborneol (MIB)"
Izaguirre, G., R. L. Wolfe, and E. G. Means. "Bacterial Degradation of 2-Methylisoborneol." Water Science and Technology 20, no. 8-9 (August 1, 1988): 205–10. http://dx.doi.org/10.2166/wst.1988.0244.
Повний текст джерелаEaton, Richard W., and Peter Sandusky. "Biotransformations of 2-Methylisoborneol by Camphor-Degrading Bacteria." Applied and Environmental Microbiology 75, no. 3 (December 5, 2008): 583–88. http://dx.doi.org/10.1128/aem.02126-08.
Повний текст джерелаJeong, Ju-Yong, Sang-Hoon Lee, Mi-Ra Yun, Seung-Eun Oh, Kyong-Hee Lee, and Hee-Deung Park. "2-Methylisoborneol (2-MIB) Excretion by Pseudanabaena yagii under Low Temperature." Microorganisms 9, no. 12 (November 30, 2021): 2486. http://dx.doi.org/10.3390/microorganisms9122486.
Повний текст джерелаSumitomo, H. "Biodegradation of 2-Methylisoborneol by Gravel Sand Filtration." Water Science and Technology 25, no. 2 (January 1, 1992): 191–98. http://dx.doi.org/10.2166/wst.1992.0052.
Повний текст джерелаElhadi, S. L. N., P. M. Huck, and R. M. Slawson. "Removal of geosmin and 2-methylisoborneol by biological filtration." Water Science and Technology 49, no. 9 (May 1, 2004): 273–80. http://dx.doi.org/10.2166/wst.2004.0586.
Повний текст джерелаKawamura, G., K. Anraku, Y. Hisatomi, T. Matsuoka, and T. Motohiro. "Chemical perception and behavioral response of freshwater fish to 2-methylisoborneol." Water Science and Technology 31, no. 11 (June 1, 1995): 159–64. http://dx.doi.org/10.2166/wst.1995.0428.
Повний текст джерелаShao, Xia, and Kang Du. "Biodegradation of 2-methylisoborneol by enzyme separated from Pseudomonas mandelii." Water Supply 20, no. 6 (May 20, 2020): 2096–105. http://dx.doi.org/10.2166/ws.2020.100.
Повний текст джерелаOikawa, E., A. Shimizu, and Y. Ishibashi. "2-methylisoborneol degradation by the cam operon from pseudomonas putida PpG1." Water Science and Technology 31, no. 11 (June 1, 1995): 79–86. http://dx.doi.org/10.2166/wst.1995.0407.
Повний текст джерелаBrownlee, B., C. Marvin, G. MacInnis, M. Charlton, and S. Watson. "Interlaboratory comparison of geosmin and 2-methylisoborneol in municipal tap water." Water Science and Technology 55, no. 5 (March 1, 2007): 51–57. http://dx.doi.org/10.2166/wst.2007.161.
Повний текст джерелаWu, Yuan Yuan, Hai Yan, Xiao Lu Liu, Qian Qian Xu, Xue Yao Yin, and Ning Ning Yang. "Isolation of a Novel Bacterium for the Efficient Biodegradation of 2-Methylisoborneol." Advanced Materials Research 647 (January 2013): 344–51. http://dx.doi.org/10.4028/www.scientific.net/amr.647.344.
Повний текст джерелаДисертації з теми "2-Methylisoborneol (MIB)"
Ludwig, Frank. "Charakterisierung geruchsstoffproduzierender, benthischer Cyanobakterien in Trinkwassertalsperren des Erzgebirges." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-100488.
Повний текст джерелаWu, Danyang. "Quantitative Analysis of Earthy and Musty Odors in Drinking Water Sources Impacted by Wastewater and Algal Derived Contaminants." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1343941566.
Повний текст джерелаKim, Soo Myung. "Understanding and predicting 2-methylisoborneol (MIB) adsorption by granular activated carbon and process selection approaches for controlling taste and odor." Connect to online resource, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3256447.
Повний текст джерелаTran, Hoang Nguyen. "Removal of geosmin and 2-methylisoborneol from drinking water by UV/Tio2 treatment." Thesis, 2010. http://hdl.handle.net/1959.13/805541.
Повний текст джерелаGeosmin and 2-methylisoborneol (MIB) are taste and odour compounds commonly present in drinking water. Their presence can be detected even at the nanogram-per-litre level, and at such low concentrations they are not readily removed by conventional water treatment processes. Consequently, alternative treatment processes are needed that add significant cost to the water treatment option. Recently, it has been found that UV/TiO2 photocatalysis is capable of degrading geosmin and MIB, and because TiO2 is relatively cheap UV/TiO2 photocatalysis is a possible commercial treatment option. However, the reaction kinetics and mechanisms are not well understood, which limits current development. This study was aimed at gaining a better understanding of kinetics and mechanisms of the photocatalytic degradation of geosmin and MIB by UV/TiO2. It sought to undertake an extensive experimental investigation to quantify the influence of TiO2 type, TiO2 loading, geosmin and MIB concentration, UV intensity, mixing condition, pH and presence of additives (bicarbonate, alcohols and humic acid) on the removal of geosmin and MIB. Before embarking on the experiments, however, a rapid and cost-effective methodology for the quantification of geosmin and MIB at the nanogram-per-litre level was required. Consequently, a solid phase micro-extraction technique coupled with gas chromatography/mass spectrometry (GC/MS) analysis was developed. Briefly, accurate and reproducible measurements were achieved with biphenyl-d10 as the internal standard and preconditioning the fibre prior to the adsorption stage. Optimum extraction temperature and duration were found to be 270oC and 30 minutes, respectively. Once the quantitative detection process was in place geosmin and MIB degradation experiments were carried out using various commercial TiO2 photocatalysts, including Degussa P25 and Millennium PCs with different specific surface areas. All these photocatalyst were found to be effective to remove geosmin and MIB, with Degussa P25 giving the best performance. Interestingly, there was no apparent correlation between the specific surface area of the photocatalyst particle and the degradation rate. A reason for this is possibly related to the agglomeration occurring when the material is suspended in water. The experiments examining the degradation rate of geosmin and MIB involved both suspended and immobilised TiO2 systems. Dark adsorption studies showed that there was negligible adsorption of either geosmin or MIB onto the TiO2 surface. This observation was supported by zeta potential measurements which identified repulsion between the different surfaces. The degradation rate of both geosmin and MIB involving the activation of TiO2 photocatalyst with UV light followed a first-order kinetic processes with respect to TiO2 loading, geosmin and MIB concentration, pH, UV intensity and mixing condition. The degradation rates for the suspended Degussa P25 photocatalyst exhibited energy efficiencies comparable to those of existing treatment processes such as hydrogen peroxide/UV. The mechanistic studies focused on understanding the generation process for hydroxyl radicals. It was found that the presence of bicarbonate and alcohols, that are known hydroxyl radical scavengers, resulted in a decrease in the degradation rates of both geosmin and MIB. The increased negative effect bicarbonate
Clercin, Nicolas André. "Origin and Fate of Odorous Metabolites, 2-Methylisoborneol and Geosmin, in a Eutrophic Reservoir." Diss., 2019. http://hdl.handle.net/1805/19442.
Повний текст джерелаTaste-and-Odor (T&O) occurrences are a worldwide problem and can locally have extensive socio-economic impacts in contaminated waterbodies. Tracing odorous compounds in surface waters or controlling the growth of producing organisms is particularly challenging. These approaches require the understanding of complex interactions between broad climate heterogeneity, large-scale physical processes such basin hydrology, lake/reservoir circulation, responses of aquatic ecosystems and communities. Eagle Creek Reservoir (ECR), a eutrophic water body, located in central Indiana experiences annual odorous outbreaks of variable durations and intensities that can impair its water quality. Two major compounds, 2-methylisoborneol and geosmin, have been identified as the main culprits occurring seasonally when the reservoir receives high discharges and nutrient loads from its main tributaries. Under these conditions, the growth of T&O-producing bacteria tends to take over other phytoplanktic organisms. Discrete samples collected within the water column during severe outbreaks in 2013 revealed that some bacterioplankton members belonging to Actinobacteria (Streptomyces) and Cyanobacteria (Planktothrix) were involved in the generation of T&O compounds. Most of this production occurred in the upper layers of the water column where higher abundances of key enzymes from MIB and geosmin metabolic pathways were detected. Application of a copper-based algaecide to curb the biosynthesis of bacterial metabolites led to geosmin production (linked to Cyanobacteria) being quickly terminated, whereas MIB levels (linked to Actinobacteria) lingered for several weeks after the algaecide treatment. Significant chemical differences in the association of these metabolites were measured in ECR. Geosmin was dominantly found cell-bound and settling after cellular death increases susceptibility to biodegradation in bottom sediments. MIB was mostly found dissolved making it less susceptible to biodegradation in bottom sediments. Genetic data identified Novosphingobium hassiacum and Sphingomonas oligophenolica (α- Proteobacteria) as potential degraders of geosmin and, four Flavobacterium species (Bacteroidetes) as potential MIB degraders. The role of Eagle Creek natural sediments in the removal of bacterial metabolites via chemical adsorption was also tested but was not proven efficient. Bacterial breakdown activity was demonstrated to be the major loss mechanism of MIB and geosmin.
Hathurusingha, Arachchige Priyantha Indrajith. "Predictive modelling and experimental studies on taste-taint as geosmin (GSM) and 2-methylisoborneol (MIB) in farmed barramundi (Lates calcarifer)." Thesis, 2016. http://hdl.handle.net/2440/98256.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Chemical Engineering, 2016.
Howard, Chase Steven. "Taste And Odor Event Dynamics Of A Midwestern Freshwater Reservoir." Thesis, 2020. http://hdl.handle.net/1805/24610.
Повний текст джерелаEagle Creek Reservoir (ECR), located in the Midwestern U.S., is a freshwater limnic system plagued by seasonal Harmful Algal Blooms (HABs) which generate water-fouling Geosmin (GSM) and 2-Methylisoborneol (MIB) Taste and Odor (T&O) compounds. Past investigations of T&O event dynamics have identified Actinomycetes as responsible for MIB production and several genera of cyanobacteria for GSM production. During 2018, a temporally and spatially expansive sampling regimen of the reservoir was carried out and a battery of biological, chemical, physical, and hyperspectral experiments performed. The resulting data was analyzed using time series, cross-correlation, lag time, and multivariate analyses as well as machine learning algorithms to pick apart and interrogate any relationships between HABs, T&O events, and environmental parameters. The results show that local weather and watershed conditions exert significant control over the state of the reservoir and the behavior of the algal community. GSM and MIB peaked during early May under well-mixed, cold, and nutrient-rich water column conditions, then declined under summer thermal stratification before making a small resurgence during late season mixing. Bloom die-off and decay was effectively ruled out as a mechanism controlling T&O concentrations, and no links were found between T&O concentrations and algal biomass. Strong evidence was found that GSM/MIB concentrations were a response by bloom microbes to changing nutrient conditions within the reservoir, and it was determined that nutrient fluxes from the watershed 30-40 days prior to peak T&O concentrations are likely instrumental in the development of the slow- ix growing microbes characteristic of the reservoir. Attempts were made to assess spatial and temporal variability but no significant spatial differences were identified; differences between sampling sites were far smaller than differences between different sampling dates. The findings here add to the growing body of literature showing T&O and HAB dynamics are more closely linked to the relative abundance and speciation of nutrients than other parameters. Additionally, these findings carry important implications for the management of ECR and other similar freshwater reservoirs while highlighting the importance of reducing watershed eutrophication.
Тези доповідей конференцій з теми "2-Methylisoborneol (MIB)"
Li, Xueyan, Yong Huang, and Dongtian Wang. "Efficiency and Mechanism of Degradation of 2-Methylisoborneol(2-Mib) by O3/H2O2 in Water." In 2010 4th International Conference on Bioinformatics and Biomedical Engineering (iCBBE). IEEE, 2010. http://dx.doi.org/10.1109/icbbe.2010.5516282.
Повний текст джерелаЗвіти організацій з теми "2-Methylisoborneol (MIB)"
Conrady, Morgan, Markus Bauer, Kyoo Jo, Donald Cropek, and Ryan Busby. Solid-phase microextraction (SPME) for determination of geosmin and 2-methylisoborneol in volatile emissions from soil disturbance. Engineer Research and Development Center (U.S.), October 2021. http://dx.doi.org/10.21079/11681/42289.
Повний текст джерела