Academic literature on the topic 'Sondes fluorescente'
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Journal articles on the topic "Sondes fluorescente"
Kuha, Jonna, Marko Järvinen, Pauliina Salmi, and Juha Karjalainen. "Calibration of in situ chlorophyll fluorometers for organic matter." Hydrobiologia 847, no. 21 (November 5, 2019): 4377–87. http://dx.doi.org/10.1007/s10750-019-04086-z.
Full textMarquezin, Cássia Alessandra, and Bruna Eduarda Darolt Mucke. "Anisotropia de fluorescência da sonda AHBA em lipossomas de misturas lipídicas e contendo colesterol." Revista Brasileira de Física Médica 18 (February 23, 2024): 755. http://dx.doi.org/10.29384/rbfm.2024.v18.19849001755.
Full textBriones-Vázquez, Cristian Alain, and Alejandro Álvarez-Hernández. "Sondas fluorescentes, una revisión general: propiedades, diseño y aplicaciones." Pädi Boletín Científico de Ciencias Básicas e Ingenierías del ICBI 9, no. 17 (July 5, 2021): 9–16. http://dx.doi.org/10.29057/icbi.v9i17.7143.
Full textJullien, Ludovic, and Arnaud Gautier. "Des sondes fluorescentes hybrides pour l’imagerie « à la demande » des protéines cellulaires." médecine/sciences 33, no. 6–7 (June 2017): 576–78. http://dx.doi.org/10.1051/medsci/20173306006.
Full textKhamis, K., C. Bradley, H. J. Gunter, G. Basevi, R. Stevens, and D. M. Hannah. "Calibration of an in-situ fluorescence-based sensor platform for reliable BOD5 measurement in wastewater." Water Science and Technology 83, no. 12 (May 21, 2021): 3075–91. http://dx.doi.org/10.2166/wst.2021.197.
Full textSilveira, Leonardo R. "Considerações críticas e metodológicas na determinação de espécies reativas de oxigênio e nitrogênio em células musculares durante contrações." Arquivos Brasileiros de Endocrinologia & Metabologia 48, no. 6 (December 2004): 812–22. http://dx.doi.org/10.1590/s0004-27302004000600006.
Full textCosta, O. J. S., D. S. Almeida, S. C. C. Pinto, R. M. Chaves, L. M. Laskoski, and F. A. Souza. "Insulina e IGF-1 no meio extensor de criopreservação seminal bovina." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 72, no. 3 (May 2020): 664–72. http://dx.doi.org/10.1590/1678-4162-11291.
Full textEvangelista, L. S. Melo, Y. N. T. Carvalho, M. A. Castelo Branco, L. H. C. M. Mota, F. P. S. Barçante, I. O. T. Souza, T. S. Câmara, and J. A. T. Souza. "Avaliação in vitro do sêmen criopreservado de cães naturalmente infectados por Leishmania sp." Arquivo Brasileiro de Medicina Veterinária e Zootecnia 68, no. 3 (June 2016): 651–57. http://dx.doi.org/10.1590/1678-4162-8753.
Full textSilva, Jéssica Barata da, Thayse Cristine Melo Benathar, Cleusa Yoshiko Nagamachi, Lena Geise, and Julio César Pieczarka. "Evolução cromossômica em morcegos neotropicais da Subfamília Glossophaginae, tribo Choeronycterini (Chiroptera, Phyllostomidae)." Semina: Ciências Biológicas e da Saúde 38, no. 1supl (February 16, 2018): 170. http://dx.doi.org/10.5433/1679-0367.2017v38n1suplp170.
Full textSouza, Marcelo Santos de, Rafael Kretschmer, Suziane Alves Barcellos, Alice Lemos Costa, Edivaldo Herculano de Oliveira, Marcelo B. Cioffi, Analia Del Valle Garnero, and Ricardo Jose Gunski. "Distribuição de sequências repetitivas no genoma de duas espécies da ordem Caprimulgiformes (Aves) evidenciado por hibridização in situ fluorescente." Semina: Ciências Biológicas e da Saúde 38, no. 1supl (February 16, 2018): 153. http://dx.doi.org/10.5433/1679-0367.2017v38n1suplp153.
Full textDissertations / Theses on the topic "Sondes fluorescente"
Faivre, Carla. "Développement de nano-émulsions pro-antibiotiques pour lutter contre les infections pulmonaires." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAF074.
Full textThis doctoral research develops innovative strategies against pulmonary infections caused by multidrug-resistant Gram-negative bacteria. It focuses on colistin (CST), a last-resort antibiotic for carbapenem-resistant infections, limited by significant renal toxicity. The key challenge is reducing this toxicity while improving efficacy, enabling lower doses or direct pulmonary administration. Three main approaches are proposed: (1) enhancing antibiotic efficacy via synergistic natural compounds and nanoemulsion (NE)-based delivery; (2) increasing drug concentration at the infection site by modifying CST to a more lipophilic form and encapsulating it in NEs for better stability, biofilm penetration, and mucus diffusion; (3) selecting the most efficient and stable NEs for administration via standard inhalation devices
Roger, Thomas. "Outils chimiques pour l’étude et la compréhension du rôle du sulfure d’hydrogène en biologie." Thesis, Paris 5, 2013. http://www.theses.fr/2013PA05P626/document.
Full textPas de résumé en anglais
Charier, Sandrine. "Ingénierie des propriétés thermodynamiques et cinétiques de molécules organiques : application : développement de sondes fluorescentes optimisées pour la mesure de pH." Paris 6, 2005. http://www.theses.fr/2005PA066193.
Full textGrandclaude, Virgile. "Synthèse de sondes chémiluminescentes et profluorescentes pour des applications en imagerie in vivo." Thesis, Rouen, INSA, 2011. http://www.theses.fr/2011ISAM0009.
Full textOptical molecular imaging is now playing a pivotal role both in pre-clinical diagnosis and drug development. Indeed, this is a valuable tool for the real time detection and monitoring of living cells either through the use of structurally simple labels or more recently by means of sophisticated fluorescent probes, called “smart” probes and only activatable upon specific interaction with the targeted bio-analyte. The aim of this PhD work was the design of new synthetic tools aimed at optimizing physico-chemical and optical properties of fluorescent probes intended for challenging in vivo imaging applications. We have focused on the pro-fluorescence and chemiluminescence approaches. New phenol-based pro-fluorophores have been developed by using an original bis-coumarinic scaffold. In the context of the chemistry of fluorophores, we have also investigated a general method for the water-solubilisation of phenol-based fluorophore belonging to the coumarin and xanthene families. Our research in chemiluminescence has led the synthesis of new chemiluminophores covalently linked to fluorescent organic dyes aimed at increasing the emission efficiency in the red region of such chemiluminophores. Thus, the first chemiluminescent “energy transfer cassettes” based on a 1,2-dioxetane scaffold have been obtained
Godefrood, Xavier. "Hybridation in situ fluorescente avec des sondes alphoides des chromosomes 7 et 8 : seuils de sensibilité, application pratique sur populations cellulairees triées." Bordeaux 2, 1994. http://www.theses.fr/1994BOR2P092.
Full textBerthomé, Yann. "Conception, synthèse et évaluation de nouveaux peptides fluorocarbonés dérivés de la spexine pour le traitement de la douleur." Electronic Thesis or Diss., Strasbourg, 2024. http://www.theses.fr/2024STRAF036.
Full textChronic pain is a major public health issue, with a huge impact on society. Despite numerous advances in the field, opioids still represent the gold-standard analgesics, despite their noxious side effects (tolerance, addiction). Therefore, there is an urgent need to identify new targets and drugs for the treatment of pain. In this thesis, we focused on the GALR2 receptor and its endogenous agonist spexin, which are involved in non-opioid pain modulation pathways. To improve spexin's biological properties, and in particular its metabolic stability, fluorocarbon derivatives were synthesized and characterized in vitro. A study of structure-activity relationships led to the identification of a promising compound, which has been used to study pain in vivo. To investigate the particularly interesting biophysical and biochemical properties of this new compound, various fluorescent probes derived from spexin were designed and synthesized. These tools were used to implement several in vitro assays, resulting in the identification of key mechanisms leading to the increase of the functional activity and the metabolic stability of fluorospexins
Beauvineau, Claire. "Conception et synthese de nouvelles sondes ciblees pour l'imagerie moleculaire." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2011. http://pastel.archives-ouvertes.fr/pastel-00644998.
Full textGehrke, Christophe. "Hybridation in situ fluorescente à l'aide de sondes alphoïdes des chromosomes x et y : intérêt dans l'étude du chimérisme hématopoïétique après greffe allogénique de moelle osseuse." Bordeaux 2, 1997. http://www.theses.fr/1997BOR2P006.
Full textBurckel, Hélène. "Synthèse et évaluation de molécules bifonctionnelles alkylantes de l’ADN et inhibitrices de la PARP pour la radiochimiothérapie concomitante." Thesis, Strasbourg, 2012. http://www.theses.fr/2012STRAJ092.
Full textThe main topic of this work was the development and biological evaluation of dual molecules for concomitant chemoradiotherapy. To this end, new dual chemotherapeutic agents were designed by linking covalently two radiosensitizers: a PARP inhibitor and an alkylating agent (platinum complex or temozolomide). This study led to an efficient PARP inhibitor/platinum dual molecule. A complementary approach was to develop affinity probes to study PARP inhibitors by a chemical proteomic method. This study permitted to validate the selectivity of an affinity probe for PARP1 and PARP2. Finally, fluorescent PARP inhibitor probes were synthesised and evaluated for a PARP3 screening by fluorescence anisotropy
Remy, Charlotte. "Synthèse et étude de récepteurs moléculaires fluorescents pour la détection de molécules neutres." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLN070/document.
Full textThe detection of molecules toxic for man and his environment is one of the major concerns of our society. Melamine and the pesticide residues such as atrazine are some of these dangerous molecules. These two molecules are usually measured with time-consuming and costly techniques like mass-spectrometry, chromatography or electrochemistry. In the same way, the detection of biogenic amines is of the greatest importance. They are produced by some bacteria during the decarboxylation of amino acids in the cells. So their detection allows to assess the microbiologic contamination and the potential degradation of a food. Today they are measured by chromatography in the liquid or gas phase, capillary electrochromatography and UV-visible spectroscopy. Some examples of detection by fluorescence have been described in scientific literature, but it is really necessary to develop some new efficient fluorescent receptors.Fluorescence is a technique which offers many advantages such as sensitivity, selectivity and a low cost. A lot of fluorescent probes able to detect heavy metals have been developed in PPSM laboratory. However the detection of neutral molecules by fluorescence represents an additional challenge as the interaction is weaker than with charged species.The first step of this thesis was to design and synthesize a set of fluorescent molecular probes designed to detect atrazine, the products of its degradation and melamine derivatives as well as biogenic amines. Some fluorophores based on maleimide, naphtalimide and barbituric acid moieties have been developed for the detection of the triazines derivatives by exploiting their three hydrogen bonds for molecular recognition. In order to detect the presence of biogenic amines, a fluorescent calix[6]arene which lead to a fluorescent change upon encapsulation in the calixarene cavity has been designed.The second step consisted in studying the photophysical properties of these probes. Naphth-AlcyneOMe probe which has a high quantum yield turned out to be highly solvatochromic. Moreover it is sensitive to the deprotonation of its imide function. NMR studies and molecular modeling were conducted in order to deepen the characteristics of the probes and better understand their reactivity. NMR spectroscopy confirmed the interaction through hydrogen bonding between maleimide and naphtalimide probes and the atrazine molecule.It highlighted the encapsulation of heptylamine in the calix[6]arene. Molecular modeling enabled us to better understand the photophysics of Naphth-TriazoleOMe probe.Finally the capacity of probes to detect the various analytes by fluorescence was assessed in our last part. TPA-BARB probe presented a high exaltation of fluorescence in presence of melamine derivatives whereas the calix[6]arène-quinoleine Calix-Quino is able to detect aliphatic amines by fluorescence
Books on the topic "Sondes fluorescente"
B, Thompson Richard, ed. Fluorescence sensors and biosensors. Boca Raton, FL: Taylor&Francis, 2005.
Find full textB, Thompson Richard. Fluorescence Sensors and Biosensors. Taylor & Francis Group, 2005.
Find full textB, Thompson Richard. Fluorescence Sensors and Biosensors. Taylor & Francis Group, 2005.
Find full textB, Thompson Richard. Fluorescence Sensors and Biosensors. Taylor & Francis Group, 2019.
Find full textConference papers on the topic "Sondes fluorescente"
Cabral Filho, Paulo E. "SONDAS MULTIMODAIS FLUORESCENTE-MAGNÉTICAS PARA MARCAÇÃO DO RECEPTOR DE TRANSFERRINA EM CÉLULAS CANCERÍGENAS." In Encontro Anual da Biofísica 2017. São Paulo: Editora Blucher, 2017. http://dx.doi.org/10.5151/biofisica2017-041.
Full textPORTO, FERNANDA ERRERO, FERNANDA ERRERO PORTO, and ISABEL CRISTINA MARTINS-SANTOS. "ESTUDOS CITOGENÉTICOS EM RINELORICARIA PENTAMACULATA (LORICARIIDAE:LORICARIINAE): UMA REVISÃO SISTEMÁTICA." In I Congresso Nacional de Pesquisas e Estudos Genéticos On-line. Revista Multidisciplinar em Saúde, 2022. http://dx.doi.org/10.51161/geneticon/8135.
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