Academic literature on the topic 'Dual lifetime referencing'

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Journal articles on the topic "Dual lifetime referencing"

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Huber, Christian, Ingo Klimant, Christian Krause, and Otto S. Wolfbeis. "Dual Lifetime Referencing as Applied to a Chloride Optical Sensor." Analytical Chemistry 73, no. 9 (2001): 2097–103. http://dx.doi.org/10.1021/ac9914364.

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Chen, Wan-Har, Evelyn Armstrong, Peter W. Dillingham, Stephen C. Moratti, Courtney Ennis, and Christina M. McGraw. "Dual-Lifetime Referencing (t-DLR) Optical Fiber Fluorescent pH Sensor for Microenvironments." Sensors 23, no. 21 (2023): 8865. http://dx.doi.org/10.3390/s23218865.

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The pH behavior in the μm to cm thick diffusion boundary layer (DBL) surrounding many aquatic species is dependent on light-controlled metabolic activities. This DBL microenvironment exhibits different pH behavior to bulk seawater, which can reduce the exposure of calcifying species to ocean acidification conditions. A low-cost time-domain dual-lifetime referencing (t-DLR) interrogation system and an optical fiber fluorescent pH sensor were developed for pH measurements in the DBL interface. The pH sensor utilized dual-layer sol-gel coatings of pH-sensitive iminocoumarin and pH-insensitive Ru(
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Liebsch, Gregor, Ingo Klimant, Christian Krause, and Otto S. Wolfbeis. "Fluorescent Imaging of pH with Optical Sensors Using Time Domain Dual Lifetime Referencing." Analytical Chemistry 73, no. 17 (2001): 4354–63. http://dx.doi.org/10.1021/ac0100852.

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Borisov, Sergey M., Gerhard Neurauter, Claudia Schroeder, Ingo Klimant, and Otto S. Wolfbeis. "Modified Dual Lifetime Referencing Method for Simultaneous Optical Determination and Sensing of Two Analytes." Applied Spectroscopy 60, no. 10 (2006): 1167–73. http://dx.doi.org/10.1366/000370206778664590.

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Begemann, Jens, and Antje C. Spiess. "Dual lifetime referencing enables pH-control for oxidoreductions in hydrogel-stabilized biphasic reaction systems." Biotechnology Journal 10, no. 11 (2015): 1822–29. http://dx.doi.org/10.1002/biot.201500198.

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Maierhofer, Maximilian, Sergey M. Borisov, and Torsten Mayr. "Optical Ammonia Sensor for Continuous Bioprocess Monitoring." Proceedings 2, no. 13 (2018): 1041. http://dx.doi.org/10.3390/proceedings2131041.

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We present an optical ammonia sensor suitable for bioprocess monitoring. A fluorescent dye is physically entrapped in a polyurethane hydrogel forming an emulsion system with vinylterminated polydimethylsiloxane (PDMS). The sensing layer is covered by a hydrophobic porous membrane which excludes hydrophilic substances. Ammonia, diffuses through this barrier and PDMS to the protonated dye, whereby it deprotonates the dye and switches off its emission. Readout is performed with a miniaturized phase fluorimeter combined with optical fibers. Dual-lifetime referencing (DLR) acts as detection method
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Lin, Xuyan, Wenting Qiu, Gianmarco Domenico Suarez, and Stefan Nagl. "Extracellular pH Monitoring of Live Single Cells in Microdroplets Using Dual-Labelled Fluorinated Silica Nanoparticles and Time-Domain Dual Lifetime Referencing." Chemosensors 10, no. 10 (2022): 379. http://dx.doi.org/10.3390/chemosensors10100379.

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Fluorinated silica nanoparticles doped with Ruthenium-tris-1,10-phenanthroline dichloride on the inside and covalently conjugated with perfluorooctyltriethoxysilane and fluorescein isothiocyanate on the outside were developed and served several functions; the fluorination of the particles served to stabilize droplets in a microfluidic system at their interface to the continuous phase for single-cell experiments, and the two dyes provided for intrinsically referenced pH readout according to the time-domain dual lifetime referencing scheme. Apart from eliminating the droplet-to-droplet transport
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Rowe, H. M., Sing Po Chan, J. N. Demas, and B. A. DeGraff. "Self-Referencing Intensity Measurements Based on Square-Wave Gated Phase-Modulation Fluorimetry." Applied Spectroscopy 57, no. 5 (2003): 532–37. http://dx.doi.org/10.1366/000370203321666551.

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An adaptation of square-wave gated phase-modulation (GPM) fluorimetry allows for self-referenced intensity measurements without the complexity of dual excitation or dual emission wavelengths. This AC technique utilizes square-wave excitation, gated detection, a reference emitter, and a sensor molecule. The theory and experimental data demonstrating the effectiveness and advantages of the adapted GPM scheme are presented. One component must have an extremely short lifetime relative to the other. Both components are affected identically by changes in intensity of the excitation source, but the s
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Boniello, Caterina, Torsten Mayr, Juan M. Bolivar, and Bernd Nidetzky. "Dual-lifetime referencing (DLR): a powerful method for on-line measurement of internal pH in carrier-bound immobilized biocatalysts." BMC Biotechnology 12, no. 1 (2012): 11. http://dx.doi.org/10.1186/1472-6750-12-11.

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Poehler, Elisabeth, Christin Herzog, Madeleine Suendermann, Simon A. Pfeiffer, and Stefan Nagl. "Development of microscopic time-domain dual lifetime referencing luminescence detection for pH monitoring in microfluidic free-flow isoelectric focusing." Engineering in Life Sciences 15, no. 3 (2015): 276–85. http://dx.doi.org/10.1002/elsc.201400081.

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Dissertations / Theses on the topic "Dual lifetime referencing"

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Dervieux, Emmanuel. "Non-invasive transcutaneous characterisation of blood carbon dioxide (CO2) content." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAD043.

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Cette thèse cherche à développer une méthode non-invasive de mesure du taux de dioxyde de carbone (CO2) artériel, dont la connaissance est cruciale sur le plan clinique. Deux approches principales sont étudiées : la carbamétrie pulsée, qui extrapole les principes de l'oxymétrie à la carbamino-hémoglobine via des techniques spectrophotométriques, et l’étude de la diffusion transcutanée du CO2, qui donne des indications sur le contenu en CO2 des tissus sous-cutanés. La première approche s'est révélée être une impasse, tandis que la seconde montre un plus grand potentiel. En particulier, la piste
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Book chapters on the topic "Dual lifetime referencing"

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Klimant, I., C. Huber, G. Liebsch, G. Neurauter, A. Stangelmayer, and O. S. Wolfbeis. "Dual Lifetime Referencing (DLR) — a New Scheme for Converting Fluorescence Intensity into a Frequency-Domain or Time-Domain Information." In New Trends in Fluorescence Spectroscopy. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56853-4_13.

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Conference papers on the topic "Dual lifetime referencing"

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Dervieux, Emmanuel, and Wilfried Uhring. "Dual Lifetime Referencing for Accurate CO2 Sensing: An Experimental in vitro Validation." In 2024 22nd IEEE Interregional NEWCAS Conference (NEWCAS). IEEE, 2024. http://dx.doi.org/10.1109/newcas58973.2024.10666315.

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Tufan, Tuna B., and Ulkuhan Guler. "A Miniaturized Transcutaneous Carbon Dioxide Monitor Based on Dual Lifetime Referencing." In 2022 IEEE Biomedical Circuits and Systems Conference (BioCAS). IEEE, 2022. http://dx.doi.org/10.1109/biocas54905.2022.9948600.

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