Literatura científica selecionada sobre o tema "NQR instrumentation"

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Artigos de revistas sobre o assunto "NQR instrumentation"

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Brown, R. J. C., A. Christides, M. Gourdji, and L. Guibé. "NQR investigation on ThBr4 and instrumentation." Journal of Molecular Structure 192, no. 3-4 (1989): 355–67. http://dx.doi.org/10.1016/0022-2860(89)85055-0.

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Blanz, M., T. J. Rayner, and J. A. S. Smith. "A fast field-cycling NMR/NQR spectrometer." Measurement Science and Technology 4, no. 1 (1993): 48–59. http://dx.doi.org/10.1088/0957-0233/4/1/009.

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Osokin, D. Ya, and R. R. Khusnutdinov. "A two-frequency coherent pulse NQR spectrometer." Instruments and Experimental Techniques 52, no. 1 (2009): 85–89. http://dx.doi.org/10.1134/s0020441209010138.

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Apih, Tomaž, Veselko Žagar, and Janez Seliger. "NMR and NQR study of polymorphism in carbamazepine." Solid State Nuclear Magnetic Resonance 107 (June 2020): 101653. http://dx.doi.org/10.1016/j.ssnmr.2020.101653.

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Lehmann-Horn, J. A., D. G. Miljak, and T. J. Bastow. "75As, 63Cu NMR and NQR characterization of selected arsenic minerals." Solid State Nuclear Magnetic Resonance 54 (July 2013): 8–12. http://dx.doi.org/10.1016/j.ssnmr.2013.05.001.

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Glickstein, Jarred, and Soumyajit Mandal. "An automated instrument for polarization-enhanced broadband nuclear quadrupole resonance (NQR) spectroscopy." Review of Scientific Instruments 89, no. 9 (2018): 093106. http://dx.doi.org/10.1063/1.5041002.

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Rudakov, T. N., V. V. Fedotov, A. V. Belyakov, and V. T. Mikhal’tsevich. "Suppression of transient processes in the oscillatory circuit of the NQR spectrometer." Instruments and Experimental Techniques 43, no. 1 (2000): 78–81. http://dx.doi.org/10.1007/bf02759003.

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Rommel, E., D. Pusiol, P. Nickel, and R. Kimmich. "Spectroscopic rotating-frame NQR imaging ( rho NQRI) using surface coils." Measurement Science and Technology 2, no. 9 (1991): 866–71. http://dx.doi.org/10.1088/0957-0233/2/9/007.

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Ambrosetti, Roberto, Claudia Forte, and Domenico Ricci. "14N Fourier Transform Nuclear Quadrupole Resonance. Instrumentation: Measurements on Cyanuric Chloride." Zeitschrift für Naturforschung A 47, no. 1-2 (1992): 421–29. http://dx.doi.org/10.1515/zna-1992-1-271.

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AbstractA Matec pulsed instrument, already equipped with a laboratory-built data system, has been considerably improved by adding new capabilities, such as versatile pulse sequence programming. Among other things, this allows automated T1 relaxation measurements. The instrument has been employed to record the 14N NQR FT spectrum of cyanuric chloride and measure its T1 relaxation time from 77 K to the melting point at 418 K. The four-line 14N spectrum indicates the presence of two chemically inequivalent sites. The intensity ratio of the lines identifies the site pertaining to a couple of symme
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Perić, Berislav, Régis Gautier, Chris J. Pickard, Marko Bosiočić, Mihael S. Grbić, and Miroslav Požek. "Solid-state NMR/NQR and first-principles study of two niobium halide cluster compounds." Solid State Nuclear Magnetic Resonance 59-60 (May 2014): 20–30. http://dx.doi.org/10.1016/j.ssnmr.2014.02.001.

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Teses / dissertações sobre o assunto "NQR instrumentation"

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Kachkachi, Noreddine. "Spectromètre RQN à base d’un SoC-FPGA : Conception numérique, vérification fonctionnelle et validation expérimentale." Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0053.

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La Résonance quadrupolaire Nucléaire (RQN) est une technique de spectroscopie radio fréquence très utile pour l'identification non invasive et l'analyse de produits chimiques. Cependant cette technique souffre de plusieurs problèmes, notamment de la faible sensibilité et pose beaucoup de défis quand à la conception de l'instrumentation RQN. Afin de relever ces défis techniques et d'améliorer davantage les performances, nous proposons de développer ici, une nouvelle approche qui consiste en la numérisation et l'optimisation de l'architecture électronique en vue d'améliorer la sensibilité. Ainsi
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Tingle, Jeremy Mark. "NMR imaging : instrumentation and techniques." Thesis, University of Surrey, 1992. http://epubs.surrey.ac.uk/843892/.

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This thesis presents three original contributions to the field of Nuclear Magnetic Resonance (NMR): The experimental framework and analysis for the measurement of a new imaging parameter to describe perfusion; The measurement and analysis of magnetic field inhomogeneity and a practical correction system for their reduction; A novel system for the synchronous control of NMR experiments based on the microprogrammed concept. The thesis begins with an introduction to the theory of NMR. The application of NMR to imaging is also introduced with emphasis on the techniques which developed into those i
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Thornton, John Stephen. "Instrumentation for low cost, high resolution NMR imaging." Thesis, University of Manchester, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358563.

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Markhasin, Evgeny. "High field DNP and cryogenic MAS NMR : novel instrumentation and applications." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/87469.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemistry, February 2014.<br>Cataloged from PDF version of thesis. "February 2014."<br>Includes bibliographical references.<br>Solid State Nuclear Magnetic Resonance (ssNMR) spectroscopy has blossomed over the last two decades. As ssNMR is progressively applied to more challenging systems, the sensitivity remains one of its major limiting factors. Gyrotron based high-field dynamic nuclear polarization (DNP) permits increasing the sensitivity of ssNMR by 1-2 orders magnitude, significantly extending the reach of ssNMR. Success
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Laurent, Guillaume. "Increasing solid-state NMR sensitivity : instrumentation, fast acquisitions and signal processing." Electronic Thesis or Diss., Sorbonne université, 2020. http://www.theses.fr/2020SORUS183.

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La Résonance Magnétique Nucléaire (RMN) en phase solide souffre d’une faible sensibilité, malgré les récentes améliorations. Les approches instrumentales, d’acquisition rapide et de traitement du signal ont été examinées afin de remédier à ce défaut le plus efficacement possible. Premièrement, les microbobines (bobine en rotation à l’angle magique, MACS) ont été placées dans un rotor et couplées inductivement à la bobine de la sonde standard. Un gain en temps de ~ 5 a été obtenu sur des microquantités avec une masse m ~ 100-200 µg. Deuxièmement, le temps d’acquisition a été diminué grâce aux é
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Di, Caro Domenico. "NMR measurements for hazelnuts classification." Doctoral thesis, Universita degli studi di Salerno, 2018. http://hdl.handle.net/10556/3113.

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2016 - 2017<br>In this work, a method for the quality detection of the in-shell hazelnuts, based on the low field NMR, has been proposed. The aim of the work is to develop an in-line classification system able to detect the hidden defects of the hazelnuts. After an analysis of the hazelnut oil, carried out in order to verify the applicability of the NMR techniques and to determine some configuration parameters, the influence factors that affect these measurements in presence of solid sample instead of liquids have been analyzed. Then, the measurement algorithms were defined. The proposed clas
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Pagnano, Marco Aurelio de Oliveira. "Automação de um espectrômetro por ressonância magnética nuclear pulsada." Universidade de São Paulo, 1993. http://www.teses.usp.br/teses/disponiveis/54/54132/tde-19082014-101639/.

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Este trabalho consistiu na automação do espectrômetro de Ressonância Magnética Nuclear Pulsada existente no laboratório dos professores José Pedro Donoso e Claudio José Magon. Foram efetuados circuitos adicionais e melhorias no equipamento que eles possuíam, à nível de hardware e software. Foram construídas e programadas interfaces paralelas que ligam o microcomputador a um gerador de pulsos, fabricado pela Tecmag Inc., e a um digitalizador rápido (10 ns) Nicolet 430. O programador de pulsos pode acionar independentemente 75 linhas durante o intervalo de tempo subdividido em 2048 eventos, tamb
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Bays, Roland. "Instrumentation pour l'étude des propriétés optiques des tissus vivants /." [S.l.] : [s.n.], 1992. http://library.epfl.ch/theses/?display=detail&nr=1086.

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Rolland, Thierry. "Développement d'une instrumentation Doppler ultrasonore : application aux écoulements turbulents en hydraulique /." [S.l.] : [s.n.], 1995. http://library.epfl.ch/theses/?nr=1281.

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Menolfi, Christian Ivo. "Low noise CMOS chopper instrumentation amplifiers for thermoelectric microsensors /." Zürich, 2000. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=13583.

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Livros sobre o assunto "NQR instrumentation"

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R, Thomas Stephen, and Dixon Robert L. 1940-, eds. NMR in medicine: The instrumentation and clinical applications. Published for the American Association of Physicists in Medicine by the American Institute of Physics, 1986.

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G, Gadian David, ed. NMR and its applications to living systems. 2nd ed. Oxford University Press, 1995.

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Canet, Daniel, David Lurie, Siegfried Stapf, Hans-Martin Vieth, and Duarte de Mesquita e Sousa. Field-Cycling NMR Relaxometry: Instrumentation, Model Theories and Applications. Royal Society of Chemistry, The, 2018.

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Field-Cycling NMR Relaxometry: Instrumentation, Model Theories and Applications. Royal Society of Chemistry, The, 2018.

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Field-Cycling NMR Relaxometry: Instrumentation, Model Theories and Applications. Royal Society of Chemistry, The, 2018.

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Thomas, Stephen R. Nmr in Medicine: The Instrumentation and Clinical Applications (Medical Physics Monograph, No 14). Amer Inst of Physics, 1986.

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Nanny, Mark A., Roger A. Minear, and Jerry A. Leenheer, eds. Nuclear Magnetic Resonance Spectroscopy in Environment Chemistry. Oxford University Press, 1997. http://dx.doi.org/10.1093/oso/9780195097511.001.0001.

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This book demonstrates the usefulness of NMR spectroscopy for a wide variety of applications in environmental science and technology. It contains a wealth of information relating to instrumentation, sample preparation, and data interpretation. The book is divided into three sections discussing contaminant interaction, solution and condensed-phase characterization, and nutrients and natural organic matter characterization. In addition to these in-depth chapters, an introductory overview provides the basic principles of solution and solid-state NMR spectroscopy. Each section also contains a disc
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Dynamic Pulsed-Field-Gradient NMR. Springer, 2014.

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Modern NMR Approaches to the Structure Elucidation of Natural Products : Volume 1: Instrumentation and Software. Royal Society of Chemistry, The, 2015.

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Modern NMR Approaches to the Structure Elucidation of Natural Products : Volume 1: Instrumentation and Software. Royal Society of Chemistry, The, 2015.

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Capítulos de livros sobre o assunto "NQR instrumentation"

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Mark, Howard. "Traditional NIR Instrumentation." In Handbook of Near-Infrared Analysis, 4th ed. CRC Press, 2021. http://dx.doi.org/10.1201/b22513-7.

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Pfeffer, Philip E. "Agricultural/biological applications of NMR." In Research Instrumentation for the 21st Century. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2748-3_15.

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Huck, Christian W. "New Trend in Instrumentation of NIR Spectroscopy—Miniaturization." In Near-Infrared Spectroscopy. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8648-4_8.

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Becker, Edwin D., and Cherie L. Fisk. "NMR: New techiques for chemical analysis and biological investigation." In Research Instrumentation for the 21st Century. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2748-3_14.

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Giri, Arnab, Dilip Sing, Sudarshana Ghosh Dastidar, et al. "Application of NIR Spectroscopy with Chemometrics for Discrimination of Indian Black Pepper Berries." In Smart Sensors Measurement and Instrumentation. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-6913-3_32.

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Colson, Kimberly L. "Chapter 4. Cryogenically Cooled NMR Probes: a Revolution for NMR Spectroscopy." In Modern NMR Approaches to the Structure Elucidation of Natural Products : Instrumentation and Software. Royal Society of Chemistry, 2015. http://dx.doi.org/10.1039/9781849735186-00058.

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Bottomley, Paul A. "Instrumentation and Strategies for in Vivo Human Cardiac Phosphorus NMR Spectroscopy." In Cardiovascular Magnetic Resonance Spectroscopy. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3490-7_3.

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Teodorescu, Razvan. "Chapter 2. NMR Magnets: A Historical Overview." In Modern NMR Approaches to the Structure Elucidation of Natural Products : Instrumentation and Software. Royal Society of Chemistry, 2015. http://dx.doi.org/10.1039/9781849735186-00026.

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Anklin, Clemens. "Chapter 3. Small-volume NMR: Microprobes and Cryoprobes." In Modern NMR Approaches to the Structure Elucidation of Natural Products : Instrumentation and Software. Royal Society of Chemistry, 2015. http://dx.doi.org/10.1039/9781849735186-00038.

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Freeman, Ray, and Eriks Kupce. "Chapter 7. NMR Spectroscopy Using Several Parallel Receivers." In Modern NMR Approaches to the Structure Elucidation of Natural Products : Instrumentation and Software. Royal Society of Chemistry, 2015. http://dx.doi.org/10.1039/9781849735186-00119.

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Trabalhos de conferências sobre o assunto "NQR instrumentation"

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Garroway, Allen N., Michael L. Buess, James P. Yesinowski, Joel B. Miller, and Ronald A. Krauss. "Explosives detection by nuclear quadrupole resonance (NQR)." In SPIE's 1994 International Symposium on Optics, Imaging, and Instrumentation, edited by Andre H. Lawrence. SPIE, 1994. http://dx.doi.org/10.1117/12.189164.

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Rizza, Robert, Xue-Cheng Liu, John Thometz, Mohammad Mahinfalah, and Channing Tassone. "The Effect of Instrumentation With Different Mechanical Properties on the Pig Spine During Growth: Finite Element Analysis." In ASME 2007 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2007. http://dx.doi.org/10.1115/sbc2007-174869.

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For the treatment of scoliosis, traditional instrumentations such as Cotrel-Dubousset are very rigid and effect spine growth ([1] &amp; [2]). Recently, spinal fusion-less instrumentation has been clinically introduced. These instrumentations are more spring-like (compliant). Such instrumentations include multiple level staples, vertical expanding prosthesis, and changeable rod system. However, whether the instrumentation is rigid or compliant, the growth of the spine is effected. The actual level of instrument stiffness that affects growth is not known nor well quantified. The goal of this stu
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Tarle, Gregory, Carl W. Akerlof, Greg Aldering, et al. "SNAP NIR detectors." In Astronomical Telescopes and Instrumentation, edited by John C. Mather. SPIE, 2003. http://dx.doi.org/10.1117/12.461774.

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Ferlet, Marc. "Straylight considerations for NIR spectrographs." In SPIE Astronomical Telescopes + Instrumentation, edited by Ian S. McLean and Mark M. Casali. SPIE, 2008. http://dx.doi.org/10.1117/12.788762.

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Bent, Brinnae, Chia-Han Chiang, Charles Wang, Nandan Lad, Alexander Kent, and Jonathan Viventi. "Simultaneous Recording and Stimulation Instrumentation for Closed Loop Spinal Cord Stimulation." In 2019 9th International IEEE/EMBS Conference on Neural Engineering (NER). IEEE, 2019. http://dx.doi.org/10.1109/ner.2019.8717053.

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Viotto, Valentina, Jacopo Farinato, Davide Greggio, et al. "SHARK-NIR system design analysis overview." In SPIE Astronomical Telescopes + Instrumentation, edited by George Z. Angeli and Philippe Dierickx. SPIE, 2016. http://dx.doi.org/10.1117/12.2232757.

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Wilson, John C., Charles P. Henderson, Terry L. Herter, et al. "Mass producing an efficient NIR spectrograph." In SPIE Astronomical Telescopes + Instrumentation. SPIE, 2004. http://dx.doi.org/10.1117/12.550925.

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Xu, Wenli, and Walter Seifert. "Optical glasses with high NIR transmission." In Astronomical Telescopes and Instrumentation, edited by Eli Atad-Ettedgui and Sandro D'Odorico. SPIE, 2003. http://dx.doi.org/10.1117/12.464255.

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Chappell, Steve, Robin Wang, Sam Hornett, and Alex Spanellis. "A VIS-NIR hyperspectral video imager." In Photonic Instrumentation Engineering XI, edited by Yakov Soskind and Lynda E. Busse. SPIE, 2024. http://dx.doi.org/10.1117/12.3001540.

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Rogers, John, John E. Baldwin, and Donald M. A. Wilson. "Miniature beam combiners for optical and NIR interferometers." In Astronomical Telescopes & Instrumentation, edited by Robert D. Reasenberg. SPIE, 1998. http://dx.doi.org/10.1117/12.317169.

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Relatórios de organizações sobre o assunto "NQR instrumentation"

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Rice, David M. DURIP Advanced Polymer Solid State NMR Instrumentation. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada221401.

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Reo, Nicholas V. Upgrade in NMR Research Instrumentation for the Magnetic Resonance Laboratory. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada418182.

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Fernando, P. U. Ashvin Iresh, Gilbert Kosgei, Matthew Glasscott, Garrett George, Erik Alberts, and Lee Moores. Boronic acid functionalized ferrocene derivatives towards fluoride sensing. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/44762.

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In this technical report (TR), a robust, readily synthesized molecule with a ferrocene core appended with one or two boronic acid moieties was designed, synthesized, and used toward F- (free fluoride) detection. Through Lewis acid-base interactions, the boronic acid derivatives are capable of binding with F- in an aqueous solution via ligand exchange reaction and is specific to fluoride ion. Fluoride binding to ferrocene causes significant changes in fluorescence or electrochemical responses that can be monitored with field-portable instrumentation at concentrations below the WHO recommended l
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