Relevant bibliographies by topics / Fluorescent micro-organisms

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  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Fluorescent micro-organisms'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Fluorescent micro-organisms"

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Pereira, Tanya, Thomas J. Millar, and Jo-Anne Chuck. "Viability analysis of alginate encapsulated micro-organisms using fluorescent stains." Journal of Microencapsulation 22, no. 7 (2005): 787–92. http://dx.doi.org/10.1080/02652040500273829.

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Eikelboom, D. H., and B. Geurkink. "Filamentous micro-organisms observed in industrial activated sludge plants." Water Science and Technology 46, no. 1-2 (2002): 535–42. http://dx.doi.org/10.2166/wst.2002.0531.

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As part of the EU-sponsored MACOBS (Monitoring and Control of Bulking Sludge through Molecular Probe Assays) project, the size and the composition of the filamentous population in 73 industrial activated sludge plants, were investigated. The inventory included plants in Denmark, Germany, Italy and The Netherlands. Large filamentous populations were present in about 60% of the plants, which means that bulking of activated sludge, which is no longer a serious problem in modern domestic nutrient removal plants, still occurs frequently in industrial treatment plants. The filamentous micro-organism
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Rosenberger, S., R. Witzig, W. Manz, U. Szewzyk, and M. Kraume. "Operation of different membrane bioreactors: experimental results and physiological state of the micro-organisms." Water Science and Technology 41, no. 10-11 (2000): 269–77. http://dx.doi.org/10.2166/wst.2000.0659.

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Lab-scale and pilot-scale activated sludge bioreactors with integrated microfiltration membranes were operated over a period of up to three years. During the entire operation period no excess sludge was removed from the bioreactors apart from sampling, resulting in highly concentrated biomass in the reactors. The dry weight of the sludge ranged from 15 to 23 g MLSS l–1 for a plant fed with municipal wastewater and up to 60 g ll–1 for a lab-scale plant fed with high strength molasses. Stable biomass concentrations were reached at F/M ratios as low as approximately 0.07 kg COD (kg MLSS)–1 d–1. T
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Asapu, Sunitha, Santosh Pant, Peyman Majid, Isabel C. Escobar, and Cyndee L. Gruden. "Study of copper-charged membranes for control of fouling due to bacteria and algae organic matter." Journal of Water Reuse and Desalination 5, no. 4 (2015): 516–27. http://dx.doi.org/10.2166/wrd.2015.001.

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The accumulation of micro-organisms, along with the presence of nutrients, forms biofilms. Biofoulants that are typically encountered in desalination systems include cellular organisms (e.g. bacteria or algae) and organic debris, including algae organic matter. The accumulation of these micro-organisms is problematic to membranes by causing irreversible fouling. The most adverse effects due to biofouling include declines in permeate flux and salt rejection. In addition, biofilm formation necessitates frequent membrane cleaning, increasing operating costs and decreasing membrane life. The goal
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Bouix, Marielle, Agnès Grabowski, Monique Charpentier, Jean-Yves Leveau, and Bruno Duteurtre. "Rapid detection of microbial contamination in grape juice by flow cytometry." OENO One 33, no. 1 (1999): 31. http://dx.doi.org/10.20870/oeno-one.1999.33.1.1038.

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<p style="text-align: justify;">This study presents an application of flow cytometry to evaluate rapidly the viable micro-organisms in grape juice. In this method, viable cells are firstly specitically labelled with a fluorescent reagent. The sample is then injected into the flow cytometer where the labelled micro-organisms are individually illuminated by a laser beam. The emission of fluorescence is measured. The system counts the number of fluorescent events and prints out a histogram of the fluorescence intensity which is characteristic of the micro-organism being analysed. In laborat
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Bernhard, J. M., W. G. Phalen, A. McIntyre-Wressnig, et al. "Technical Note: Towards resolving in situ, centimeter-scale location and timing of biomineralization in calcareous meiobenthos – the calcein–osmotic pump method." Biogeosciences 12, no. 18 (2015): 5515–22. http://dx.doi.org/10.5194/bg-12-5515-2015.

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Abstract. Insights into oceanographic environmental conditions such as paleoproductivity, deep-water temperatures, salinity, ice volumes, and nutrient cycling have all been obtained from geochemical analyses of biomineralized carbonate of marine organisms. However, we cannot fully understand geochemical proxy incorporation and the fidelity of such in species until we better understand fundamental aspects of their ecology such as where and when these (micro)organisms calcify. Here, we present an innovative method using osmotic pumps and the fluorescent marker calcein to help identify where and
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Bernhard, J. M., W. G. Phalen, A. McIntyre-Wressnig, et al. "Technical Note: Towards resolving in situ, centimeter-scale location and timing of biomineralization in calcareous meiobenthos – the Calcein-Osmotic pump method." Biogeosciences Discussions 12, no. 12 (2015): 9443–63. http://dx.doi.org/10.5194/bgd-12-9443-2015.

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Abstract. Insights into oceanographic environmental conditions such as paleoproductivity, sea-surface temperatures, deep-water temperatures, salinity, ice volumes, circulation patterns, and nutrient cycling have all been obtained from geochemical analyses of biomineralized carbonate of marine organisms. However, we cannot fully understand geochemical proxy incorporation and the fidelity of such in species until we better understand fundamental aspects of their ecology such as where and when these (micro)organisms calcify. Here, we present an innovative method using osmotic pumps and the fluore
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Facchetti, Samantha V., Rita La Spina, Francesco Fumagalli, Nicoletta Riccardi, Douglas Gilliland, and Jessica Ponti. "Detection of Metal-Doped Fluorescent PVC Microplastics in Freshwater Mussels." Nanomaterials 10, no. 12 (2020): 2363. http://dx.doi.org/10.3390/nano10122363.

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The large-scale production of plastic and the resulting release of waste is leading to a huge accumulation of micro-sized particles in the environment that could have an impact on not only aquatic organisms but also on humans. Despite the extensive literature on the subject, there is still an insufficient harmonization of methodologies for the collection and analysis of microplastics (MPs) in complex matrices; especially for high density polymers; such as polyvinyl chloride (PVC), which tend to sink and accumulate in sediments, becoming available to benthonic organisms. In this article, mussel
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Umar, Mubarak I., Danyang Ji, Chun-Yin Chan, and Chun Kit Kwok. "G-Quadruplex-Based Fluorescent Turn-On Ligands and Aptamers: From Development to Applications." Molecules 24, no. 13 (2019): 2416. http://dx.doi.org/10.3390/molecules24132416.

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Guanine (G)-quadruplexes (G4s) are unique nucleic acid structures that are formed by stacked G-tetrads in G-rich DNA or RNA sequences. G4s have been reported to play significant roles in various cellular events in both macro- and micro-organisms. The identification and characterization of G4s can help to understand their different biological roles and potential applications in diagnosis and therapy. In addition to biophysical and biochemical methods to interrogate G4 formation, G4 fluorescent turn-on ligands can be used to target and visualize G4 formation both in vitro and in cells. Here, we
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Hügler, Michael, Karin Böckle, Ingrid Eberhagen, Karin Thelen, Claudia Beimfohr, and Beate Hambsch. "Development and validation of a FISH-based method for the detection and quantification of E. coli and coliform bacteria in water samples." Water Science and Technology 64, no. 7 (2011): 1435–42. http://dx.doi.org/10.2166/wst.2011.761.

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Monitoring of microbiological contaminants in water supplies requires fast and sensitive methods for the specific detection of indicator organisms or pathogens. We developed a protocol for the simultaneous detection of E. coli and coliform bacteria based on the Fluorescence in situ Hybridization (FISH) technology. This protocol consists of two approaches. The first allows the direct detection of single E. coli and coliform bacterial cells on the filter membranes. The second approach includes incubation of the filter membranes on a nutrient agar plate and subsequent detection of the grown micro
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Dissertations / Theses on the topic "Fluorescent micro-organisms"

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Beaufort, Sandra. "Développement d'outils et de méthodologies pour l'étude de l'organisation et de la localisation in vivo de micro-organismes dans des structures biologiques complexes." Thesis, Toulouse, INSA, 2010. http://www.theses.fr/2010ISAT0037/document.

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Ce projet concerne l’analyse de l’organisation de populations microbiennes au sein de structures complexescomme des dépôts ou des biofilms.Si différentes méthodes sont couramment utilisées pour étudier la structure globale ou l’organisation localed’agrégats microbiens, peu d’entre elles, permettent de réaliser simultanément ces deux analyses et nécessitentsouvent des étapes de préparation qui pénalisent un approche in-vivo et en dynamique.La stratégie proposée repose sur la mise en oeuvre de micro-organismes modèles autofluorescents (levures etbactéries) qui peuvent sans aucun traitement être
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Amin-Hanjani, Soheila. "Luminescence based detection of genetically modified Pseudomonas fluorescens in soil." Thesis, University of Aberdeen, 1992. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU043327.

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Methods currently available for the detection and enumeration of genetically modified micro-organisms in the environment include culturing methods, direct microscopic detection and nucleic hybridization techniques. The aim of this project was to develop luminescence as a molecular based-marker system in Pseudomonas fluorescens. The lux genes, originally isolated from Vibrio fischeri, were introduced into Ps. fluorescens on plasmid vectors and on the chromosome. The efficiency of these two strategies for the detection of Ps. fluorescens in soil was assessed. Luminometry was used to estimate bio
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KAO, HAO-CHIEH, and 高豪傑. "The isolation and characterization of micro-organisms for degrading fluorescent whitening agents of stilbene-type." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/77847062390154497203.

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碩士<br>輔仁大學<br>生命科學系碩士班<br>102<br>The function of fluorescent whitening agents（FWAs） has been use to increase bright of textiles, paper, plastics and other industrial dyeing, for more than 30 years. FWAs can absorb 300 ~ 400nm of near-ultraviolet rays wavelength, and then emit a blue-violet wavelength（420 ~ 480nm） fluorescence. The use of artificial synthetic stilbene FWAs causes serious damage of natural environments. Therefore, how to deal with FWAs pollution in environment, and develop actively biodegradable FWAs, become one of the important researches. The study is aimed to isolate strains
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Conference papers on the topic "Fluorescent micro-organisms"

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Fadlallah, Hadi, Mojtaba Jarrahi, Eric Herbert, Roselyne Ferrari, Annick Mejean, and Hassan Peerhossaini. "Effects of Shear Stress on the Growth Rate of Micro-Organisms in Agitated Reactors." In ASME 2016 Fluids Engineering Division Summer Meeting collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/fedsm2016-7590.

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The effects of hydrodynamic shear stress on the growth rate of cyanobacteria Synechocystis sp. and Chlamydomonas reinhardtii microalgae cells were studied in agitated photobioreactors, since they have different motility rates and sizes. An experimental setup was designed and constructed to monitor the growth rate of the micro-organisms versus the shear rate; experiments were carried out in a well controlled environment, under constant atmospheric pressure and 20 °C temperature. Digitally controlled magnetic agitator-photobioreactors were placed inside a closed chamber with air flow for 4 weeks
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Chukwurah, Kengelle Q., Yaping Yang, Jian Wang, Yajun Yan, and Eric C. Freeman. "Incorporating Stimuli-Responsive Bacteria in Microfluidic Droplets." In ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/smasis2015-9041.

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Model cellular membranes respond to chemical and electrical stimuli, regulating transport and exchange between two neighboring aqueous droplets. This regulated exchange may prove useful for controlling aqueous micro-environments for studying stimuli-responsive encapsulated bacteria. This concept is explored in this work, focusing on characterizing the bacterial response within a synthetic cellular environment. In the droplet interface bilayer (DIB) approach, aqueous micro-droplets deposited in an oil reservoir with dissolved lipids are coated with lipid monolayers and arranged into artificial
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