Academic literature on the topic 'Sondes pH'
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Journal articles on the topic "Sondes pH"
Venkatachari, Archana, Annie Bourbonnais, Ibrahim Salman, Ioannis Rekleitis, Alberto Quattrini Li, Kathryn Cottingham, Holly Ewing, Denise Bruesewitz, Emily Arsenault, and Quin Shingai. "Use of an Autonomous Surface Vehicle to Collect High Spatial Resolution Water Quality Data at Lake Wateree, SC." Journal of South Carolina Water Resources 9, no. 2 (March 1, 2024): 51–57. http://dx.doi.org/10.34068/jscwr.09.02.10.
Full textSun, Youhong, Bing Li, Xiaopeng Fan, Yuansheng Li, Guopin Li, Haibin Yu, Hongzhi Li, et al. "Brief communication: New sonde to unravel the mystery of polar subglacial lakes." Cryosphere 17, no. 3 (March 6, 2023): 1089–95. http://dx.doi.org/10.5194/tc-17-1089-2023.
Full textZapata, A. J., Darío Cano, and J. Rojo. "Correlación de medidas obtenidas a partir de sondas de succión y extracto de saturación del suelo regado con aguas salinas." Ingeniería del agua 11, no. 3 (September 30, 2004): 329. http://dx.doi.org/10.4995/ia.2004.2541.
Full textSinurat, Ellya, Rosmawaty Peranginangin, and Endang Saepudin. "Purification and Characterization of Fucoidan from the Brown Seaweed Sargassum binderi Sonder." Squalen Bulletin of Marine and Fisheries Postharvest and Biotechnology 10, no. 2 (February 23, 2016): 79. http://dx.doi.org/10.15578/squalen.v10i2.133.
Full textAbeska, Yesim Yilmaz, and Levent Cavas. "Biosynthesis of Silver Nanoparticles by Using Invasive Caulerpa cylindracea Sonder." Turkish Journal of Fisheries and Aquatic Sciences 21, no. 09 (May 31, 2021): 451–63. http://dx.doi.org/10.4194/1303-2712-v21_9_04.
Full textAnh, Truong Le Que, Nguyen Thi Quynh Hoa, Pham Dinh Thanh Nguyen, Hoang Van Thanh, Pham Bao Nguyen, Le Thi Hong Anh, and Dong Thi Anh Dao. "Soybean Protein Extraction by Alcalase and Flavourzyme, Combining Thermal Pretreatment for Enteral Feeding Product." Catalysts 10, no. 8 (July 23, 2020): 829. http://dx.doi.org/10.3390/catal10080829.
Full textDong, Zhi Yong, Yong Gu, Shuo Shuo Wang, Ying Biao Shi, Ruo Hua Li, and Li Hu Xiong. "Monitoring and Assessment of Water Quality in Fuchunjiang and Hangzhou Reaches of Qiantangjiang Estuarine Zone." Applied Mechanics and Materials 316-317 (April 2013): 711–14. http://dx.doi.org/10.4028/www.scientific.net/amm.316-317.711.
Full textPutra, Armyn Dwi, Syamsu Rijal, Eny Arlini Wello, Lisa Yuniarti, and Zulfitriani Murfat. "Pengaruh Ekstrak Kunyit Terhadap Kadar pH Lambung Tikus yang di Induksi Etanol Absolut." Fakumi Medical Journal: Jurnal Mahasiswa Kedokteran 2, no. 10 (November 1, 2022): 711–17. http://dx.doi.org/10.33096/fmj.v2i10.131.
Full textViollier, E., G. Mignard, G. Sarazin, A. Choouier, G. Roziere, and P. Trameson. "Une sonde photométrique pour l'analyse in situ : Principe, méthode, premiers essais." Revue des sciences de l'eau 6, no. 4 (April 12, 2005): 395–410. http://dx.doi.org/10.7202/705182ar.
Full textSulatri, Ni Luh, Ida Bagus Agung Yogeswara, and Ni Wayan Nursini. "Efektifitas sinar ultraviolet terhadap cemaran bakteri patogen pada makanan cair sonde untuk pasien immune-compremissed." Jurnal Gizi Indonesia (The Indonesian Journal of Nutrition) 5, no. 2 (June 30, 2017): 112–18. http://dx.doi.org/10.14710/jgi.5.2.112-118.
Full textDissertations / Theses on the topic "Sondes pH"
Sonnefraud, Yannick. "Développement et applications de sondes actives en microscopie en champ proche optique." Phd thesis, Grenoble 1, 2007. http://www.theses.fr/2007GRE10248.
Full textLn near-field optical microcsopy (NSOM), an active tip uses a single nanoparticle's luminescence as source of light to image a sample. Such probe should allow one to reach a lateral optical resolution only limited by the size of the particle. Implementing an active tip faces three main issues: a suitable near-field environment, and particles displaying suitable emission characteristics have to be available, and eventually those particles have to be attached at the end of a standard NSOM tip. During this thesis, a NSOM/confocal microscope designed for such applications has been developped. Imaging experiments using a single CdSe nanocrystal have been presented. Prospective studies on other particles fit for such applications are presented : doped rare-earths oxides and nanodiamonds (diameter smaller than 25 nm) doped by col or center
Sonnefraud, Yannick. "Développement et applications de sondes actives en microscopie en champ proche optique." Phd thesis, Université Joseph Fourier (Grenoble), 2007. http://tel.archives-ouvertes.fr/tel-00188794.
Full textNous avons développé un microscope dual confocal/NSOM adapté à l'étude et l'utilisation de telles nanoparticules. A l'aide de ce microscope, nous avons acquis des images construites en utilisant la fluorescence d'un nanocristal de CdSe/ZnSe unique (~ 4 nm) rapporté en extrémité d'une pointe NSOM normale comme source de lumière. Le caractère intermittent de cette fluorescence, combiné avec le photoblanchiment de ces nanocristaux, ont empêché de reconstruire des images complètes permettant de quantifier la résolution latérale atteinte. Notre recherche s'est ensuite portée vers la caractérisation d'autres nanoparticules dont la luminescence ne présente ni blanchiment, ni clignotement. Le premier type de particules présentant ces caractéristiques sont des agrégats de YAG :Ce3+ produits par LECBD, d'une taille inférieure à 5 nm. Nous décrivons les premières caractérisations optiques de ces nanoparticules. La seconde alternative réside dans les nanoparticules de diamant dopées avec des centres NV. Nous avons démontré que notre dispositif permet de sélectionner les nano-diamants qui sont fluorescents, de mesurer leur taille et, dans le cas des particules fluorescentes, de déterminer celles qui hébergent un seul centre NV unique dont l'état de charge est de plus déterminé in situ. Nous montrons ainsi que notre NSOM détecte aisément le centre NV unique dans une nanoparticule de diamant de 25 nm. Cette démonstration ouvre la perspective de pouvoir utiliser une telle particule mais de taille arbitrairement petite comme source de lumière.
Huber, Gaspard. "caractérisation moléculaire par RMN : vers l'emploi de sondes extrinsèques." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2006. http://tel.archives-ouvertes.fr/tel-00173563.
Full textJ'aborde ensuite mon travail récent au sein d'une équipe spécialisée dans le xénon hyperpolarisé appliqué à la phase liquide, en particulier la caractérisation de cavités hydrophobes de protéines et la forte complexation du xénon par une famille de molécules-cage nommée cryptophanes.
Giaume, Domitille. "Nanoparticules d'orthovanadate d'yttrium : fonctionnalisation et application comme sondes luminescentes pour la biologie." Phd thesis, Ecole Polytechnique X, 2006. http://pastel.archives-ouvertes.fr/pastel-00002260.
Full textPolesel, Jérôme. "Nouvelles approches pour la nano-caractérisation, et la micro- et nano-robotique par sondes locales." Habilitation à diriger des recherches, Université de Versailles-Saint Quentin en Yvelines, 2012. http://tel.archives-ouvertes.fr/tel-00845307.
Full textCuche, Aurélien. "Sondes actives pour l'optique en champ proche à base de nanoparticules isolantes ou de nanodiamants fluorescents." Phd thesis, Grenoble 1, 2009. http://www.theses.fr/2009GRE10286.
Full textIn the « aperture NSOM » configuration, the optical resolution is limited to 50-100 nm in the best cases. In order to probe the optical properties of systems which exhibit dimensions at the nanoscale, a better optical resolution would be advantageous. To reach this goal, we suggest the use of an optical active probe. This kind of probe is based on a fluorescent nano-emitter grafted at the apex of a classical dielectric optical probe. The resolution expected in the optical near-field should be ultimately only limited by the size of the nano-object, that is well below 50 nm. On the basis of previous works done in our laboratory, we present here two new methods for obtaining such optical active probes. These new probes involve two complementary kinds of nanoparticles with attractive sizes and good optical properties (like high emission rate in the visible and excellent photostability). The first method implies YAG nanoparticles synthesized and deposited at the apex of a probe using LECBD (Low Energy Cluster Beam Deposition). The second approach is based on the in situ selection of a nanodiamond hosting color centers (NV) which is attached onto the tip with the help of a charged polymer. Finally, we report on the realization of a room-temperature scanning single-photon probe based on a 20 nm nanodiamond hosting a single NV center, which has been successfully used for NSOM imaging. Such tips should ultimately offer a better resolution than classical optical near-field probes, and should also open new perspectives in various fields like quantum optics/plasmonics or high-resolution, high-sensitivity magnetometry
Cuche, Aurélien. "Sondes actives pour l'optique en champ proche à base de nanoparticules isolantes ou de nanodiamants fluorescents." Phd thesis, Grenoble 1, 2009. http://tel.archives-ouvertes.fr/tel-00456562.
Full textCoïs, Justine. "Développement de sondes chimiogénétiques fluorogéniques par ingénierie concertée de la protéine HaloTag et de rotors moléculaires : application à l'imagerie de protéines." Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS115.
Full textOver the past two decades, our understanding of nervous system proteins and their role in the normal and pathological functioning of psychiatric disorders has significantly advanced thanks to major breakthroughs in protein imaging and targeting techniques. Fluorescence imaging, a non-invasive, high-resolution method, enables proteins to be visualized at the sub-cellular level and fine cellular mechanisms to be studied in real time, such as secretion and the regulation of protein trafficking. These studies were initially made possible by the development of fluorescent proteins, albeit of moderate brightness and poor photostability. More recently, the development of hybrid chemogenetic sensors, benefiting from both the selectivity of genetic encoding and the versatility of organic fluorophores, has greatly increased the diversity of fluorescent reporters for real-time monitoring of cellular processes such as protein secretion and regulation of protein trafficking. However, the development of new hybrid imaging tools remains a current challenge in order to improve the quality of acquisitions (contrast, response time, cytotoxicity) and to obtain more versatile characteristics to address the variety of biological questions at hand.During my PhD, I initially focused on the development of new chemogenetic fluorescent probes based on the combination of the HaloTag labeling protein and molecular rotors emitting fluorescence only after covalent binding with it. We have developed a new divergent synthesis strategy allowing for a faster diversification of the spectral properties of these hybrid fluorogenic probes. Additionally, we have generated new variants of HaloTag to obtain higher brightness for fluorescence imaging. These new probes tested in living cells showed good sensitivity to the HaloTag protein with specific activation of fluorescence under wash-free conditions. Combined with a protein of interest, these new fluorescent reporters enable the control of subcellular localization with very good contrast.Continuing this approach, I developed pH-sensitive probes to explore the protein environment with additional contrast for visualizing dynamic processes such as protein secretion. We have shown that molecular rotors containing a pH-sensitive group allow for a dual fluorescence activation condition requiring both the presence of the HaloTag protein and a neutral pH. This property is very interesting as it combines local activation of fluorophores and pH detection in living cells, allowing for real-time monitoring of the exocytosis phenomenon of the protein of interest without washing and with excellent contrast.Finally, the final step of my PhD involved leveraging all of these newly generated chemogenetic tools to decipher the trafficking of the matricellular protein hevin. This protein is of major interest for understanding psychiatric disorders, particularly addiction and the consequences of stress, but its subcellular localization and regulatory process remain poorly understood. We have shown that this protein exhibits high colocalization with the transmembrane protein CD63 expressed in exosomes. Furthermore, the study of hevin exocytosis process with the newly developed pH probe confirmed the regulation of hevin secretion by cellular activity in the HeLa cell line
Vallée, Nathalie. "Rôle des protons, du calcium et des canaux ioniques dans la division des protoplastes de tournesol (Helianthus annuus L. )." Toulouse, INPT, 1997. http://www.theses.fr/1997INPT015A.
Full textCharier, 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 textBook chapters on the topic "Sondes pH"
Bonardi, Alain. "Prises de site musicales : de Concret PH aux Songes de la nef." In Entre les mondes, Iannis Xenakis, 137–48. Presses universitaires du Septentrion, 2023. http://dx.doi.org/10.4000/books.septentrion.146501.
Full textBonardi, Fernanda Caroline, Cristina Mara Zamarioli, Renata Cristina de Campos Pereira Silveira, Mayara Carvalho Godinho Rigobello, Fernanda Raphael Escobar Gimenes, and Claire Nierva Herrera. "MÉTODOS DE CONFIRMAÇÃO DO POSICIONAMENTO DE SONDA NASOGÁSTRICA." In O cuidado em saúde baseado em evidências - Volume 3, 141–60. Editora Científica Digital, 2023. http://dx.doi.org/10.37885/231115100.
Full textConference papers on the topic "Sondes pH"
Kick, A., and M. Mertig. "P7.14 - Mikroarrays bestehend aus pH-sensitiven Polymeren als Sonden für Sensoren basierend auf Oberflächenplasmonenresonanz." In 12. Dresdner Sensor-Symposium 2015. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2015. http://dx.doi.org/10.5162/12dss2015/p7.14.
Full textBretas, Luca Warwar, and Catarina da Rocha Marcolin. "Estrutura da comunidade zooplanctônica no píer municipal de Porto Seguro." In 7º Congresso de Iniciação à Pesquisa, Criação e Inovação. GM Editorial, 2023. http://dx.doi.org/10.61202/2595-9328.7cipciet0087.
Full textLUZ, Carlos Henrique Pacheco da, Luisa Resende MANNA, Giselle Eler Amorim DIAS, Gustavo Henrique Soares GUEDES, Francisco Gerson ARAÚJO, Ana Carolina PRADO-VALLADARES, and Rosana MAZZONI. "Reavaliação da Ictiofauna no Parque Natural Municipal Bosque da Barra - RJ." In I Simpósio de bolsistas da FIPERJ. Fundação Instituto de Pesca do Estado do Rio de Janeiro - FIPERJ, 2022. http://dx.doi.org/10.57068/simposio.fiperj.357.
Full textReports on the topic "Sondes pH"
Raikow, David, Mark Wasser, Amanda McCutcheon, and Anne Farahi. Trends in water quality of Waikolu Stream, Kalaupapa National Historical Park, Moloka?i, Hawaii, 2007?2017. National Park Service, 2024. http://dx.doi.org/10.36967/2302153.
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