Relevant bibliographies by topics / Physico-chemical characterization by fluorescence

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Physico-chemical characterization by fluorescence'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Physico-chemical characterization by fluorescence"

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Igor, B.A., AKODEDJROHOUN, et al. "Physico-chemical characterization of marble from Assiyo (Dassa-Zoumè) in Benin." Pharmaceutical and Chemical Journal 10, no. 3 (2023): 6–15. https://doi.org/10.5281/zenodo.13983918.

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The valorization of the natural resources located in Benin Republic, in particular, marble obtained from Assiyo (Dassa-Zoumè) was the purpose of this study. It was characterized to elucidate its properties for industrial applications. The results of the analysis by X-ray diffraction, infrared spectroscopy, X-ray fluorescence and thermal analysis showed that Assiyo marble is dolomitic limestone. This marble sample is basic with pH ≈ 8.6. The particle size analysis of the powder particles of these marbles showed two major size fractions: 35 % of the particles have a size between 250
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Igor, B.A. AKODEDJROHOUN, V. SAGBO Etienne, and DODOO-ARHIN David. "Physico-chemical Characterization of Calcitic Marble from Idadjo (Ouèssè) in Benin Republic." Chemistry Research Journal 8, no. 3 (2023): 35–44. https://doi.org/10.5281/zenodo.11304301.

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<strong>Abstract </strong>The objective of this study was to valorize the natural resources located in the Republic of Benin, in particular, marble obtained from Idadjo (Ou&egrave;ss&egrave;). It was characterized to elucidate its properties for industrial applications. The results of the analysis by X-ray diffraction, infrared spectroscopy, chemical analysis by X-ray fluorescence and thermal analysis showed that the marble of Idadjo is pure calcite. This marble sample is very white and basic with pH &asymp; 8.5. The particle size analysis of the powder particles of this marble showed two majo
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Daou, Claude, Mervat El Hoz, Amine Kassouf, and Bernard Legube. "Multivariate Monitoring of Surface Water Quality: Physico-Chemical, Microbiological and 3D Fluorescence Characterization." Water 12, no. 6 (2020): 1673. http://dx.doi.org/10.3390/w12061673.

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The primary objective of this study is to explore a water quality database on two Mediterranean rivers (the Kadisha-Abou Ali and El Jaouz rivers—located in north Lebanon), considering their physicochemical, microbiological and fluorescence characteristics. Principal Component Analysis (PCA) was applied to the matrix gathering physicochemical and microbiological data while the Common Components and Specific Weight Analysis (CCSWA) or ComDim was used for fluorescence excitation-emission matrices (EEMs). This approach provided complementary and valuable information regarding water quality in such
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Staninski, Krzysztof, and Stefan Lis. "Photophysical characterization of chosen Ln(III) macromolecular complexes." International Journal of Photoenergy 7, no. 3 (2005): 147–51. http://dx.doi.org/10.1155/s1110662x0500022x.

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Spectral characterization of N,N′-Bis(2,4-dihydroxobenzylidene)1,2-diaminobenzene (DHDA) complexes with chosen f- and d-metal ions are described. Physico-chemical properties of a series of complexes were studied in methanol solution using UV-VIS, IR and fluorescence spectroscopy. It was found that the excitation and fluorescence spectra of DHDA in water and methanol after being exposed to ultraviolet radiation, show very obvious photochromism. The formation of 1 : 1 complexes between4,4′,4″,4‴-(porphine-5,10,15,20-tetrayl)-tetrakis benzoic acid, (TCPPH2) and La(III), Eu(III) and Yb(III) in met
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Rabilou, Souley Moussa, Mahamadou Zeinabou, Sanda Mamane Ousmaila, Habou Issa, Mousbahou Malam Alma Maman, and Natatou Ibrahim. "Physico-chemical, mineralogical and structural characterization of a clay of Tanout (Zinder-Niger)." World Journal of Advanced Research and Reviews 16, no. 2 (2022): 1077–92. https://doi.org/10.5281/zenodo.7790630.

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The objective of this study is to identify the different mineral phases, the structural and textural properties of natural clay of Tanout in Zinder region (Niger) in order to have mineralogical data allowing its valuation. The methodology is based on a physicochemical characterization by coupling several analysis techniques (preliminary analyses, X-ray fluorescence, X-ray diffraction, thermos- gravimetric analysis, scanning electron microscopy, Brunauer-Emmett-Teller by adsorption of N<sub>2</sub>&nbsp;at 77 K). The results from these analyzes show that this clay has a low humidity rate, a low
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Bujor, Alexandru, Victorita Tecuceanu, Anamaria Hanganu, and Petre Ionita. "Synthesis and Structural Analysis of a Nitrobenzofurazan Derivative of Dibenzo-18-Crown-6 Ether." Chemistry 4, no. 4 (2022): 1696–701. http://dx.doi.org/10.3390/chemistry4040110.

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Nitrobenzofurazan derivatives are well known for their fluorescence, whilst crown ethers are known for their complexing capacity toward cationic species. In this study, we present the synthesis and structural characterization of a new derivative containing both nitrobenzofurazan moieties and a crown ether core. The new compound was obtained from dibenzo-18-crown-6 ether, which was first nitrated, reduced to the corresponding amine, and subsequently derivatized with NBD. Structural analyses performed by IR, NMR, UV–Vis, and MS confirmed its structure and physico-chemical behavior toward the com
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Rabilou Souley Moussa, Zeinabou Mahamadou, Ousmaila Sanda Mamane, Issa Habou, Maman Mousbahou Malam Alma, and Ibrahim Natatou. "Physico-chemical, mineralogical and structural characterization of a clay of Tanout (Zinder-Niger)." World Journal of Advanced Research and Reviews 16, no. 2 (2022): 1077–92. http://dx.doi.org/10.30574/wjarr.2022.16.2.1272.

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The objective of this study is to identify the different mineral phases, the structural and textural properties of natural clay of Tanout in Zinder region (Niger) in order to have mineralogical data allowing its valuation. The methodology is based on a physicochemical characterization by coupling several analysis techniques (preliminary analyses, X-ray fluorescence, X-ray diffraction, thermos- gravimetric analysis, scanning electron microscopy, Brunauer-Emmett-Teller by adsorption of N2 at 77 K). The results from these analyzes show that this clay has a low humidity rate, a low density, a slig
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Popa, Cristina L., Simona I. Dontu, Dan Savastru, and Elfrida M. Carstea. "Changes in Fluorescence of Aquatic Dissolved Organic Matter Induced by Plastic Debris." Materials 18, no. 7 (2025): 1602. https://doi.org/10.3390/ma18071602.

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Water contamination with plastic materials represents one of the most pressing environmental problems that the modern world is facing. In this context, the present paper aims to investigate the influence of fluorescent dissolved organic matter (FDOM) released by plastic materials on the aquatic bacterial fraction and evaluate the efficiency of fluorescence spectroscopy in identifying plastic FDOM in freshwater. To this purpose, river and tap water samples were contaminated in a controlled manner in the laboratory, and the water quality parameters and bacterial occurrence for these samples were
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Maravelaki, Pagona-Noni, Antonis Theologitis, Meral Budak Unaler, Chrysi Kapridaki, Kali Kapetanaki, and James Wright. "Characterization of Ancient Mortars from Minoan City of Kommos in Crete." Heritage 4, no. 4 (2021): 3908–18. http://dx.doi.org/10.3390/heritage4040214.

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This work characterizes ancient mortars used in construction of the Bronze Age Minoan port at Kommos in Crete. The port dates from c. 1850 BCE with port facilities at the harbor and residences on the Central hillside and the Hilltop. A Greek, Phoenician, and Roman sanctuary overlies the administrative center. The first step collected representative samples from the different construction phases, previous conservation interventions, exposure to different environmental factors, and different material composition. From these 10 mortar samples were analyzed using stereo- and digital microscopy, X-
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Sousa, F. K. A., I. A. Silva, W. S. Cavalcanti, Gelmires Araújo Neves, and Heber Carlos Ferreira. "Physico-Mineralogical Characterization: Bentonitic Clays Recently Found in Olivedos, Paraíba, Brazil." Materials Science Forum 820 (June 2015): 56–59. http://dx.doi.org/10.4028/www.scientific.net/msf.820.56.

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Used in various branches of the industry, bentonitic clays are considered a valuable mineral, used specially in the petroleum industry for manufacturing of fluids used the drilling of petroleum wells in long depth. Recently, a deposit of this valuable mineral was discovered in the town of Olivedos-PB. There are data that prove that this is a very poor and underdeveloped town. So, this work aims at the physico-mineralogical characterization of clays recently discovered and, this way, verify if they present similar characteristics which allow them to replace the clays from Boa Vista-PB, and if t
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Dissertations / Theses on the topic "Physico-chemical characterization by fluorescence"

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Gouisset, Emmanuel. "Développement et étude de la réponse instrumentale d'un imageur hyperspectral large bande (UV-Visible-NIR) permettant la caractérisation physico-chimique de contaminants sur surfaces sensibles d’engins orbitaux." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS139.

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Dans le domaine de l’analyse de défaillance et plus particulièrement la contamination moléculaire et particulaire, il est crucial de pouvoir détecter toute trace de contaminants durant l’intégration d’un engin orbital. Dans ce contexte, la fluorescence permet non seulement de détecter mais aussi de discriminer les contaminants. Pour ce projet, nous avons donc développé un instrument hyperspectral large-bande (UV-Vis-NIR) de 330 à 1000 nm pour pouvoir détecter un large panel de contaminants. Il s’agit d’un montage catoptrique permettant de s’affranchir des aberrations chromatiques. Il présente
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Ezhilan, Madhumitha. "Commissioning a Commercial Laser Induced Fluorescence System for Characterization of Static Mixer Performance." University of Dayton / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1499793560290147.

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Deighan, Clayton J. "Particle Balances in Therapeutic Extracellular Vesicle Development and in depth Characterization of Fluorescence Nanoparticle Tracking Analysis." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1440158128.

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Chu, Manh-Hung. "Structural and chemical characterization of single Co-implanted ZnO nanowires by a hard X-ray nanoprobe." Thesis, Grenoble, 2014. http://www.theses.fr/2014GRENY016/document.

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Ce travail de thèse porte sur l'analyse de nanofils de ZnO dopés au cobalt par implantation ionique, en utilisant la fluorescence des rayons X, la spectroscopie d'absorption des rayons X et les techniques de diffraction des rayons X à l'échelle nanométrique sur la ligne de lumière ID22 de l'Installation Européenne de Rayonnement Synchrotron. Les nanofils sont obtenus par croissance catalysée sur des substrats de p-Si (100). Les nanofils de ZnO synthétisés ont été dopés avec du cobalt par d'implantation ionique. Pour la première fois, l'utilisation combinée des techniques de caractérisation par
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Sun, Xiaojiao. "Single molecule studies of acidity in heterogeneous catalysts." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/16423.

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Doctor of Philosophy<br>Department of Chemical Engineering<br>Keith L. Hohn<br>Amorphous silica-alumina is widely used as a solid acid catalyst for various reactions in oil refining and the petrochemical industry. The strength and the number of the acid sites in the material are most often believed to arise from the alumina atoms inserted into the silica lattice. The existence of the acidity distribution across the framework is a result of the local composition or the short-range interactions on the silica-alumina surface. Conventional techniques used to characterize silica-alumina provide eff
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Morel, Oriane. "Characterization of the spatial distribution of lignins in plant cell walls using chemical reporters and Raman." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILS118.

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La lignine est un polymère polyphénolique de la paroi cellulaire qui intervient dans de nombreux aspects de la croissance et du développement des plantes supérieures. En tant que composant majeur de la biomasse lignocellulosique, elle présente également un intérêt économique. Bien que la biosynthèse du polymère de la lignine soit relativement bien comprise, nous avons besoin d'en savoir plus sur la façon dont les changements (quantité/structure) des autres polymères de la paroi cellulaire (par exemple, la cellulose, les hémicelluloses, les pectines) affectent la production de lignine. Afin de
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Pirone, Frederick S. "Trade, Interaction and Change: Trace Elemental Characterization of Maltese Neolithic to Middle Bronze Age Ceramics Using a Portable X-ray Fluorescence Spectrometer." Scholar Commons, 2017. http://scholarcommons.usf.edu/etd/6930.

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The insular nature of the Maltese archipelago provides a unique opportunity to explore trade and cultural change from the Neolithic to the Bronze Ages in the central Mediterranean. I hypothesize that, during the period in which the Maltese islands were experiencing a form of isolation—owing either to their distance from Sicily and other populated regions, to the collective formation of an inwardly-focused culture, or to a combination of these factors—it is unlikely that pottery played a significant role as either an import or export in the archipelago’s exchange relationships with other commun
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Irimiea, Cornelia. "Characterization of soot particles and their precursors by coupling laser-based techniques." Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10066.

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Les processus de combustion ont un impact important sur la qualité de l’air, le climat ou l’utilisation des sources d’énergie. Malgré les progrès réalisés pour une combustion plus propre, les chemins réactionnels conduisant à la formation des polluants (notamment des particules de suie) ne sont pas encore complétement élucidés. L’objectif de ce travail est d’étudier la formation des suies et de leurs précurseurs dans des flammes de laboratoire pour une meilleure compréhension fondamentale des mécanismes impliqués dans la transition de la phase gaz à la phase particulaire. Le même objectif est
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McDonald, Lucas J. "Synthesis and Characterization of Novel Flavonoid-Based Fluorescent Sensors and other Sensors with Excited State Intramolecular Proton Transfer for Biological Applications." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1524658238472646.

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Shoghi, Kalkhoran Elham. "Physico-Chemical Characterization of Drugs: Acidity and Solubility." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/98463.

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The aim of the present work was to contribute to establish robust and high throughput methodology of interest in the "Drug Discovery" step commonly done in pharmaceutical laboratories. This purpose involves the exploration of the possibilities of the potentiometric Sirius methodology to determine both acidity constants and solubilities of drugs and other bioactive compounds and also to do a study about how to improve bioavailability of a model drug, Amphotericine 8, by increasing its dissolution rate. In the first part of this project, the acidic dissociation enthalpies and constants of anilin
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Books on the topic "Physico-chemical characterization by fluorescence"

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Dickinson, Eric, ed. New Physico-Chemical Techniques for the Characterization of Complex Food Systems. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4615-2145-7.

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Eric, Dickinson, ed. New physico-chemical techniques for the characterization of complex food systems. Blackie Academic & Professional, 1995.

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Banaras Hindu University. Centre of Advanced Study in Botany. and India. Dept. of Environment., eds. Physico-chemical and biological characterization of River Ganga in relation to pollution. Centre of Advanced Study in Botany, Banaras Hindu University, 1989.

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DiTizio, Valerio. Characterization of the effects of paclitaxel on the physico-chemical properties of phospholipid bilayers. National Library of Canada, 1995.

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Dillian, Carolyn. Current Questions and New Directions in Archaeological Obsidian Studies. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199935413.013.2.

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This article discusses the current status of archaeological obsidian studies, including techniques used in characterization and sourcing studies, obsidian hydration, and regional syntheses. It begins with an overview of obsidian and the unique formation processes that create it before turning to a discussion of the significance of characterization and sourcing techniques for understanding prehistoric obsidian trade and exchange. It then considers the problematic aspects of the term “sourcing,” despite its ubiquitous use in archaeology and archaeometry, along with the use of X-ray fluorescence
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Iseghem, P. Van, K. Berghman, and W. Timmermans. Physico-chemical Characterization of Bituminized Eurochemic Medium-level Waste. European Communities / Union (EUR-OP/OOPEC/OPOCE), 1991.

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Handbook of Composites from Renewable Materials, Physico-Chemical and Mechanical Characterization. Wiley-Scrivener, 2017.

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Thakur, Vijay Kumar, Manju Kumari Thakur, and Michael R. Kessler. Handbook of Composites from Renewable Materials, Physico-Chemical and Mechanical Characterization. Wiley & Sons, Incorporated, John, 2017.

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Thakur, Vijay Kumar, Manju Kumari Thakur, and Michael R. Kessler. Handbook of Composites from Renewable Materials, Physico-Chemical and Mechanical Characterization. Wiley & Sons, Incorporated, John, 2017.

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Dickinson, E. New Physico-Chemical Techniques for the Characterization of Complex Food Systems. Springer, 2012.

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Book chapters on the topic "Physico-chemical characterization by fluorescence"

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Sakurai, Kenji, and Atsuo Iida. "Near-Surface Chemical Characterization using Grazing Incidence X-Ray Fluorescence." In Advances in X-Ray Analysis. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4613-9996-4_23.

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Acquafredda, Pasquale, and F. Javier Huertas. "X-Ray Fluorescence: Chemical Characterization of Materials by X-Ray Spectrometry." In Mineralogical Analysis Applied to Forensics. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-08834-6_8.

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Mayoux, Christine, and Christian Mayoux. "Physico-Chemical Characterization Techniques of Dielectrics." In Dielectric Materials for Electrical Engineering. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118557419.ch15.

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Marchand, A. "Physico-Chemical and Structural Characterization of Carbons." In Carbon and Coal Gasification. Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4382-7_4.

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Cecchi, Teresa. "Physico-chemical Characterization of Bioplastics and Biocomposites." In Biobased Products from Food Sector Waste. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-63436-0_9.

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Reijnders, H. F. R., J. Van Zijl, W. A. J. Van Pul, F. G. Romer, and H. J. Slangewal. "Characterization of Cloud and Rain Water Chemical Composition." In Physico-Chemical Behaviour of Atmospheric Pollutants. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3841-0_50.

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Papenbrock, Th, and F. Stuhl. "Detection of Nitric Acid in Air by a Laser-Photolysis Fragment-Fluorescence (LPFF) Method." In Physico-Chemical Behaviour of Atmospheric Pollutants. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0567-2_98.

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Papenbrock, Th, and F. Stuhl. "Detection of Gaseous Nitric Acid by OH(A→X) — Fluorescence Generated by ArF-Laser Irradiation." In Physico-Chemical Behaviour of Atmospheric Pollutants. Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3841-0_2.

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Ravaglioli, A., A. Krajewski, A. Piancastelli, and R. Martinetti. "Physico-Chemical Characterization of Hydroxyapatite of Unknown Manufacture." In Bioceramics and the Human Body. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2896-4_25.

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Karge, H. G., and J. B. Nagy. "Characterization of Structural and Physico-Chemical Properties of Zeolitic Systems." In Guidelines for Mastering the Properties of Molecular Sieves. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-5787-2_25.

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Conference papers on the topic "Physico-chemical characterization by fluorescence"

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Chen, Xiyu, Xin Li, Jiwei Li, Qiu Wang, Yejun Wang, and Wei Zhao. "Simultaneous Temperature and Thickness Measurements in Microfluidic Flows Using Two-Color Laser-Induced Fluorescence." In Laser Applications to Chemical, Security and Environmental Analysis. Optica Publishing Group, 2024. https://doi.org/10.1364/lacsea.2024.lw1e.4.

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Characterization of two-dye/two-color laser-induced fluorescence is explored for liquid-phase applications. The dependence of laser energy, dye concentration, and temperature on the signal are studied, simultaneous temperature and thickness measurements are further demonstrated in microfluidic flows.
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Bandiera, Marco, Sonia Pin, Andrea Bonfanti, Federico Bertasi, and Alessandro Mancini. "Physico-Chemical Characterization of Corrosion Scales in Braking Systems." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-14687.

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Abstract Identification of corrosion-related failures is of crucial importance for both prevention and solution application in automotive industry, as well as in several other manufacturing fields. For this reason, punctual, precise and reliable characterization of corrosion products is fundamental in order to sustain a correct determination of corrosion phenomena and obtain an in-depth understanding of corrosion mechanisms. Characterization of corrosion scales in braking system represents an extremely challenging problem, due to the variety of materials involved and the possible working condi
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Salgado, I. Carrillo. "Corrosion by Elemental Sulphur Deposition in Natural Gas Transmission Systems." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20918.

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Abstract The presence of orthorhombic elemental sulfur in a natural gas transmission system was detected. Different dust samples were taken from strainers and skids of a fuel gas turbomachinery. The presence of sulfur could cause corrosion problems and damage to the internal combustion system of a turbine. Characterization analyses were conducted to identify the principles and mechanisms associated with the formation and deposition of elemental sulfur in natural gas transmission and related equipment. Scanning electron microscopy / energy dispersive spectroscopy, X-ray fluorescence, and X-ray
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Singh, Kritika, Mehboob Ul Amin, and Priyanka Mishra. "Machine Learning Characterization of Various Snacks in Relation to Their Physico-Chemical and Nutritional Profile Using Electronic Equipment." In 2025 7th International Conference on Signal Processing, Computing and Control (ISPCC). IEEE, 2025. https://doi.org/10.1109/ispcc66872.2025.11039598.

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De Paula, Renato M., Vic Keasler, Brian Bennett, et al. "Optimization of a Microbial Control Program in an Aging Gulf of Mexico Asset to Minimize the Risk of Corrosion." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01195.

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Abstract An aging asset in the Gulf of Mexico handles production from platforms that converge at an onshore treatment facility for oil and water separation. The water cut in this system is currently greater than 80%. Associated with the high water cut is a significant build-up of solids that are believed to contain potentially problematic microbes. Consistent with this concern, recent in-line inspection results showed significant wall loss in one of the main lines coming to the onshore separation facility. Microbial characterization via quantitative PCR and DNA sequencing was performed on samp
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Soumbo, Marvine, Alessandro Pugliara, Marie-Carmen Monje, et al. "Physico-chemical characterization of the interaction of red fluorescent protein — DsRed with silica layers." In 2015 IEEE Nanotechnology Materials and Devices Conference (NMDC). IEEE, 2015. http://dx.doi.org/10.1109/nmdc.2015.7439280.

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Li, Minghe, Aleksandr Razumtcev, Dustin M. Harmon, and Garth J. Simpson. "Fast diffusion characterization by fluorescence recovery while photobleaching (FRWP)." In Advanced Chemical Microscopy for Life Science and Translational Medicine 2023, edited by Garth J. Simpson, Ji-Xin Cheng, and Wei Min. SPIE, 2023. http://dx.doi.org/10.1117/12.2649098.

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Prenting, Markus, Thomas Dreier, and Christof Schulz. "Characterization of tracers for two-color laser-induced fluorescence liquid-phase temperature imaging in sprays." In Laser Applications to Chemical, Security and Environmental Analysis. OSA, 2020. http://dx.doi.org/10.1364/lacsea.2020.lth5f.2.

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Newton, Jayne, Elisa Falconer, Ellie Makinson, et al. "Trace explosive detection and identification signature characterization studies using Deep-UV fluorescence and Raman spectroscopy." In Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XXV, edited by Jason A. Guicheteau, Christopher R. Howle, and Tanya L. Myers. SPIE, 2024. http://dx.doi.org/10.1117/12.3015055.

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Fan, Zhu, and Jürgen Krahl. "P2.3.12 Characterization and Identification of Diesel Fuels, Biodiesel and their Blends by Time-Resolved Laser-Induced Fluorescence Spectroscopy." In 14th International Meeting on Chemical Sensors - IMCS 2012. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2012. http://dx.doi.org/10.5162/imcs2012/p2.3.12.

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Reports on the topic "Physico-chemical characterization by fluorescence"

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VerMeulen, Holly, Jay Clausen, Ashley Mossell, Michael Morgan, Komi Messan, and Samuel Beal. Application of laser induced breakdown spectroscopy (LIBS) for environmental, chemical, and biological sensing. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40986.

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The Army is interested in sensors capable of characterizing/monitoring the environment (battlefield or military training ranges) at proximal distances. Recently, we evaluated laser induced breakdown spectroscopy (LIBS) systems (hand-held, proximal, and bench top) for the characterization of metals (antimony, copper, lead, tungsten, and zinc) in soils obtained from military training ranges. We then compared the results to findings obtained with standard field and laboratory instrumentation for metals analysis -X-ray Fluorescence (XRF) and Inductively Couple Plasma- Optical Emission Spectroscopy
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Clausen, Jay, Richard Hark, Russ Harmon, John Plumer, Samuel Beal, and Meghan Bishop. A comparison of handheld field chemical sensors for soil characterization with a focus on LIBS. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/43282.

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Commercially available handheld chemical analyzers for forensic applications have been available for over a decade. Portable systems from multiple vendors can perform X-ray fluorescence (XRF) spectroscopy, Raman spectroscopy, Fourier transform infrared(FTIR) spectroscopy, and recently laser-induced breakdown spectroscopy (LIBS). Together, we have been exploring the development and potential applications of a multisensor system consisting of XRF, Raman, and LIBS for environmental characterization with a focus on soils from military ranges. Handheld sensors offer the potential to substantially i
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Cheng, Meng-Dawn. PHYSICO-CHEMICAL DYNAMICS OF NANOPARTICLE FORMATION DURING LASER DECONTAMINATION AND CHARACTERIZATION. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/835402.

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Cheng, Meng-Dawn. PHYSICO-CHEMICAL DYNAMICS OF NANOPARTICLE FORMATION DURING LASER DECONTAMINATION AND CHARACTERIZATION. Office of Scientific and Technical Information (OSTI), 2003. http://dx.doi.org/10.2172/835403.

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Baral, Aniruddha, Jeffery Roesler, and Junryu Fu. Early-age Properties of High-volume Fly Ash Concrete Mixes for Pavement: Volume 2. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-031.

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High-volume fly ash concrete (HVFAC) is more cost-efficient, sustainable, and durable than conventional concrete. This report presents a state-of-the-art review of HVFAC properties and different fly ash characterization methods. The main challenges identified for HVFAC for pavements are its early-age properties such as air entrainment, setting time, and strength gain, which are the focus of this research. Five fly ash sources in Illinois have been repeatedly characterized through x-ray diffraction, x-ray fluorescence, and laser diffraction over time. The fly ash oxide compositions from the sam
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Asenath-Smith, Emily, Emma Ambrogi, Lee Moores, Stephen Newman, and Jonathon Brame. Leveraging chemical actinometry and optical radiometry to reduce uncertainty in photochemical research. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/42080.

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Subtle aspects of illumination sources and their characterization methods can introduce significant uncertainty into the data gathered from light-activated experiments, limiting their reproducibility and technology transition. Degradation kinetics of methyl orange (MO) and carbamazepine (CM) under illumination with TiO₂ were used as a case study for investigating the role of incident photon flux on photocatalytic degradation rates. Valerophenone and ferrioxalate actinometry were paired with optical radiometry in three different illumination systems: xenon arc (XE), tungsten halogen (W-H), and
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Zdanowicz, C., D. Kliza, D. Paktunc, and G. F. Bonham-Carter. Physico-chemical characterization of airborne particulate impurities deposited in snow around a copper smelter, Rouyn-Noranda, Quebec. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2005. http://dx.doi.org/10.4095/221138.

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Tracy, Noel A. Nondestructive Evaluation (NDE) Exploratory Development for Air Force Systems. Delivery Order 0001: Quick Reaction NDE and Characterization--Effects of Chemical Effects of Chemical Etching after Pre-Inspection Mechanical Cleaning on Fluorescent Penetrant Indications of Fatigue Cracks. Defense Technical Information Center, 2011. http://dx.doi.org/10.21236/ada550862.

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Steffens, John C., and Eithan Harel. Polyphenol Oxidases- Expression, Assembly and Function. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7571358.bard.

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Polyphenol oxidases (PPOs) participate in the preparation of many plant products on the one hand and cause considerable losses during processing of plant products on the other hand. However, the physiological functions of plant PPO were still a subject of controversy at the onset of the project. Preliminary observations that suggested involvement of PPOs in resistance to herbivores and pathogens held great promise for application in agriculture but required elucidation of PPO's function if modulation of PPO expression is to be considered for improving plant protection or storage and processing
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Perk, Simon, Egbert Mundt, Alexander Panshin, et al. Characterization and Control Strategies of Low Pathogenic Avian Influenza Virus H9N2. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7697117.bard.

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The avian influenza virus, subtype H9N2 subtype, defined as having a low pathogenicity, causes extensive economical losses in commercial flocks, probably due to management and synergism with other pathogens. AIV H9N2 was first identified in Israel in the year 2000, and since then it became endemic and widespread in Israel. Control by vaccination of commercial flocks with an inactivated vaccine has been introduced since 2007. In face of the continuous H9N2 outbreaks, and the application of the vaccination policy, we aimed in the present study to provide a method of differentiating naturally inf
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