Littérature scientifique sur le sujet « Phosphene »
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Articles de revues sur le sujet "Phosphene"
Kvašňák, E., M. Orendáčová et J. Vránová. « Phosphene Attributes Depend on Frequency and Intensity of Retinal tACS ». Physiological Research 71, no 4 (31 août 2022) : 561–71. http://dx.doi.org/10.33549/physiolres.934887.
Texte intégralIndahlastari, Aprinda, Aditya K. Kasinadhuni, Christopher Saar, Kevin Castellano, Bakir Mousa, Munish Chauhan, Thomas H. Mareci et Rosalind J. Sadleir. « Methods to Compare Predicted and Observed Phosphene Experience in tACS Subjects ». Neural Plasticity 2018 (6 décembre 2018) : 1–10. http://dx.doi.org/10.1155/2018/8525706.
Texte intégralEt.al, Manami, K. « Investigation of Electrical Interference towards Phosphene-Based Walking Support System ». Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no 3 (10 avril 2021) : 2178–83. http://dx.doi.org/10.17762/turcomat.v12i3.1164.
Texte intégralMassumi, Brian. « Purple phosphene ». Angelaki 4, no 3 (décembre 1999) : 219–20. http://dx.doi.org/10.1080/09697259908572072.
Texte intégralKanamaru, Manami, Phan Xuan Tan et Eiji Kamioka. « Simulation-Based Designing of Suitable Stimulation Factors for Presenting Two Phosphenes Simultaneously to Lower Side of Field of View ». Bioengineering 9, no 12 (2 décembre 2022) : 752. http://dx.doi.org/10.3390/bioengineering9120752.
Texte intégralAvraham, David, et Yitzhak Yitzhaky. « Effects of Depth-Based Object Isolation in Simulated Retinal Prosthetic Vision ». Symmetry 13, no 10 (22 septembre 2021) : 1763. http://dx.doi.org/10.3390/sym13101763.
Texte intégralSteidley, K. David. « The radiation phosphene ». Vision Research 30, no 8 (janvier 1990) : 1139–43. http://dx.doi.org/10.1016/0042-6989(90)90171-g.
Texte intégralNissi, Janita, et Ilkka Laakso. « Magneto- and electrophosphene thresholds in the retina : a dosimetry modeling study ». Physics in Medicine & ; Biology 67, no 1 (7 janvier 2022) : 015001. http://dx.doi.org/10.1088/1361-6560/ac46df.
Texte intégralKanamaru, Manami, Phan Xuan Tan et Eiji Kamioka. « Simulation-Based Clarification of Appropriate Factors for Presenting Phosphene in Two Directions Avoiding Electrical Interference ». Bioengineering 8, no 8 (5 août 2021) : 111. http://dx.doi.org/10.3390/bioengineering8080111.
Texte intégralNiketeghad, Soroush, Abirami Muralidharan, Uday Patel, Jessy Dorn, Robert Greenberg et Nader Pouratian. « 150 Effect of Stimulation Parameters on Visual Percepts Elicited by Stimulation of a Visual Cortical Prosthesis for the Blind ». Neurosurgery 64, CN_suppl_1 (24 août 2017) : 236. http://dx.doi.org/10.1093/neuros/nyx417.150.
Texte intégralThèses sur le sujet "Phosphene"
Deerenberg, Sirik. « Stereogenic phosphorus containing phosphine-phosphite ligands in asymmetric catalysis ». [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2000. http://dare.uva.nl/document/57171.
Texte intégralPassays, Johan. « Nouveaux ligands mixtes de type phosphore / carbène N-hétérocyclique : synthèse et applications en catalyse asymétrique ». Thesis, Rouen, INSA, 2011. http://www.theses.fr/2011ISAM0008.
Texte intégralA straightforward method for the preparation of new bidentate ligands containing aphosphine or a phosphite and a carbene function was developed. Different phosphorus-imidazolium compounds were prepared according to this method. First, diphenylphosphine-NHC ligands featuring a stereogenic center a to the phosphine were synthesized from b-hydroxyesters. This strategy was then extended to the preparation of phosphite-imidazoliumand dialkylphosphine-imidazolium compounds. Complexation of these phosphorus-NHCligands with different metals like Ir or Rh was performed in order to study there catalytic properties in asymmetric hydrogenation
Phung, Quang Linh. « Synthèse de ligands chiraux de type phosphine-phosphite et phosphine-carbène N-hétérocyclique pour la catalyse asymétrique ». Rouen, 2005. http://www.theses.fr/2005ROUES033.
Texte intégralCatalytic asymmetric synthesis using organometallic reagents has become one of the most active areas of research in modern organic synthesis. To achieve the highest levels of reactivity and selectivity in catalytic enantioselective reactions, several reactions parameters must be optimized. Among them, the selection and design of the chiral ligand is perhaps the most crucial step. We have developed two families of bidentate ligands : phosphine-phosphite and phosphine N-heterocyclic carbene. These two series of ligands have a chiral center to the α-position next to the phosphine moiety. This stereogenic α-position could be of great importance since the phosphorus atom is directly associated with the transition metal in the asymmetric reaction. Phosphine-phosphite ligands were tested in the Rh-catayzed asymmetric hydrogenation (ee up to 84%) and hydroformylation (no asymmetric induction). Phosphine N-heterocyclic carbene ligands were tested in the Ir-catalyzed asymmetric hydrogenation and hydrosilylation (no asymmetric induction), and with promising results in the Suzuki-Miyaura cross-coupling reaction
Klüpfel, Bernd. « P-chirale funktionelle Phosphane durch Hydrophosphinierung mit kationischen Phosphan-Eisenkomplexen ». [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=966083458.
Texte intégralJavierre, Guilhem. « Understand the inversion mechanism of P-stereogenic compound using kinetic studies and in silico modeling ». Thesis, Ecole centrale de Marseille, 2018. http://www.theses.fr/2018ECDM0001/document.
Texte intégralThis thesis is about the racemization of alkyl hydrogeno-phenylphosphinate, a molecule centered on a stereogenic phosphorus atom. We have synthetized compounds of interest, and studied their kinetic of racemization with chiral HPLC and phosphorus NMR. The first theoretical study (SMD//M06-2X/6-31++G**) about the enantiomerization of alkyl phosphinate after an SN2 with an alcohol have shown that the most favored mechanism was a syn-addition of the alcohol onto the double bond P=O on the opposite side of the alkoxy group. Kinetic studies with ethyl phosphinate in ethanol under reflux have shown an inversion barrier around 135 kJ.mol-1, in excellent agreement with this model (136 kJ.mol-1). The addition of a basic compound during kinetic measurements has shown a decreasing of the barrier to 121.5 kJ.mol-1, showing a catalytic effect. Kinetic and theoretical models have suggested that the mechanism would go through an activation of the alcohol by the basic compound which would facilitate its addition. The first tests about the nature of the alkyl group of phosphinate and alcohol have shown a general dependency of the barrier with the hindrance, but some DFT models, especially with adamantyl, have been in disagreement with this hypothesis
Alcaraz, Gilles. « Espèces déficientes en électrons et cycles tendus alpha-phosphorés ». Toulouse 3, 1995. http://www.theses.fr/1995TOU30126.
Texte intégralSchmidt, Anette. « Phosphide und Phosphate des Cobalts Kristallisation, Thermodynamik, Strukturen und Farben / ». [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=965185273.
Texte intégralHarrison, Mark Anthony. « EXPOSURE TO PHOSPHINE GAS DURING APPLICATION OF MAGNESIUM PHOSPHIDE IN STORED PRODUCT WAREHOUSES ». VCU Scholars Compass, 1990. http://scholarscompass.vcu.edu/etd/4909.
Texte intégralTohme, Ayham. « Synthèse et étude de phosphines organométalliques électrocommutables pour la catalyse ». Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1S012/document.
Texte intégralDuring this work, we have synthesized and characterized new metalloligands bearing redox-active organometallic end-groups. Switching the redox state of the latter should modify the electronic properties of the studied metalloligands. Once these are complexed to a metal, this should induce a change of the metal’s electronic density, which results ideally in a change of its catalytic activity. First, we studied triarylphosphine ligands bearing one or three organoiron end-groups. Four of these metalloligands were fully characterized in both their reduced and oxidized states, and their electronic parameters were evaluated using two different experimental methods. Later on, corresponding Pd(II) complexes were also synthesized and their catalytic preformances were tested. In the second part of this work, organometallic Fe(II) alkynyldiarylphosphine derivatives were synthesized. Upon oxidation, the resulting species was found to be unstable, leading to the formation of dicationic bis-acetylide Fe(II) complexes, that were isolated and characterized. The dimerization process was inhibited either by sequestration of the electronic lone pair of the phosphorus atom, or by controlling the steric hindrance around that center. Finally, corresponding precatalysts were synthesized and, upon the oxidation of the metalloligands, they were found to be fairly stable compounds. Some of these complexes were also tested in a catalytic transformation
Mocanu, Olivia. « Phosphole and phosphepine-based π-systems : synthesis, reactivity and physical properties ». Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S166.
Texte intégralThis manuscript describes the synthesis and characterisation of new heterocyclic π-conjugated systems built around the phosphorus atom. Firstly, an introduction to the phosphole chemistry (synthesis methods and integration into π-conjugated systems) is presented. The chapter I describes the synthesis and physico-chemical properties of pyrene functionalised either by a phosphole or silole ring. The synthesis of these new structures was achieved by using a transition-metal catalysis. Two types of regioisomers were synthesised in order to study the effect of the heteroatom (P or Si) on the optical and electrochemical properties together with the impact on the solid-state organisation. The chapter II describes the synthesis and the physical properties of the first phosphole-based Ir(III) ortho-metallated complexes. The presence of two stereogenic centres in the complex induced diastereoselectivity issues that could be solved by carefully choosing the reaction conditions. Furthermore, it was demonstrated that the nature of the ligands can tune the optical and the redox properties. The chapter III describes the use of P-containing seven-membered rings (phosphepines) for the development of new π-conjugated systems. Two original π-systems have been synthesised and studied: (i) phosphepine based PAH and (ii) dithieno-phosphepines. The optical and redox properties have been investigated and discussed in the manuscript
Livres sur le sujet "Phosphene"
executive, Health and safety. Fumigation using phosphine. London : H.M.S.O., 1986.
Trouver le texte intégralDavis, B. E. Recovery of phosphate from Florida phosphate slimes. Pittsburgh, Pa : U.S. Dept. of the Interior, Bureau of Mines, 1987.
Trouver le texte intégralRazzaque, Mohammed S., dir. Phosphate Metabolism. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91623-7.
Texte intégralGriffith, Edward J. Phosphate Fibers. Boston, MA : Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-1045-5.
Texte intégralBergeron, Pierre. Phosphènes célestes. Longueuil, Québec : Productions Imagie, 2009.
Trouver le texte intégralInternational Program on Chemical Safety., International Labour Organisation, World Health Organization, United Nations Environment Programme et WHO Task Group on Environmental Health Criteria For Tricresyl Phosphate., dir. Tricresyl phosphate. Geneva : World Health Organization, 1990.
Trouver le texte intégralGriffith, Edward J. Phosphate Fibers. Boston, MA : Springer US, 1995.
Trouver le texte intégralPhosphate fibers. New York : Plenum Press, 1995.
Trouver le texte intégralGreat Britain. Ministry of Agriculture Fisheries and Food., dir. Phosphate fertilisers. Alnwick : Great Britain, 1987.
Trouver le texte intégralN, Nikonov G., et Arbuzov Boris Aleksandrovich 1903-, dir. Funkt͡s︡ionalʹnozameshchennye fosfiny i ikh proizvodnye. Moskva : "Nauka", 1986.
Trouver le texte intégralChapitres de livres sur le sujet "Phosphene"
Stronks, H. Christiaan, et Gislin Dagnelie. « Phosphene Mapping Techniques for Visual Prostheses ». Dans Visual Prosthetics, 367–83. Boston, MA : Springer US, 2011. http://dx.doi.org/10.1007/978-1-4419-0754-7_19.
Texte intégralEvreinova, Tatiana G., Grigori Evreinov et Roope Raisamo. « Camera Based Target Acquisition Augmented with Phosphene Sensations ». Dans Lecture Notes in Computer Science, 282–89. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-14100-3_42.
Texte intégralBhalla, Ashish. « Phosphate and Phosphine ». Dans Critical Care Toxicology, 1875–85. Cham : Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-17900-1_84.
Texte intégralBhalla, Ashish. « Phosphine and Metal Phosphide ». Dans Critical Care Toxicology, 1–11. Cham : Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-20790-2_84-1.
Texte intégralChen, Hao, et Luwu He. « Catalytic activity for hydrogen evolution reaction in phosphene nanoribbons : A first-principles study ». Dans Advances in Applied Chemistry and Industrial Catalysis, 292–97. London : CRC Press, 2022. http://dx.doi.org/10.1201/9781003308553-45.
Texte intégralFehervari, Tamas, Masaru Matsuoka, Hirotsugu Okuno et Tetsuya Yagi. « Real-Time Simulation of Phosphene Images Evoked by Electrical Stimulation of the Visual Cortex ». Dans Neural Information Processing. Theory and Algorithms, 171–78. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-17537-4_22.
Texte intégralLoubser, Christa, Simon Lotz et John E. Ellis. « Tricarbonyl Phosphine, Phosphite, and Arsine Derivatives of Cobalt(I) ». Dans Inorganic Syntheses, 174–82. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132609.ch42.
Texte intégralPasek, Matthew A. « Phosphine ». Dans Encyclopedia of Astrobiology, 1229. Berlin, Heidelberg : Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1186.
Texte intégralPerkins, Michael W., Benjamin Wong, Dorian Olivera et Alfred Sciuto. « Phosphine ». Dans Hamilton & ; Hardy's Industrial Toxicology, 1295–300. Hoboken, New Jersey : John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781118834015.ch118.
Texte intégralPasek, Matthew A. « Phosphine ». Dans Encyclopedia of Astrobiology, 1858–59. Berlin, Heidelberg : Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1186.
Texte intégralActes de conférences sur le sujet "Phosphene"
Feely, Grace, et Young-A. Lee. « Phosphene ». Dans Pivoting for the Pandemic. Iowa State University Digital Press, 2020. http://dx.doi.org/10.31274/itaa.11778.
Texte intégralNanduri, D., M. S. Humayun, R. J. Greenberg, M. J. McMahon et J. D. Weiland. « Retinal prosthesis phosphene shape analysis ». Dans 2008 30th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE, 2008. http://dx.doi.org/10.1109/iembs.2008.4649524.
Texte intégralZhao, Ying, Kun Yang, Bo Pang, Yongji Wang et Qiushi Ren. « Simulated phosphene model for visual prosthesis ». Dans 2012 5th International Conference on Biomedical Engineering and Informatics (BMEI). IEEE, 2012. http://dx.doi.org/10.1109/bmei.2012.6512915.
Texte intégralDagnelie, Gislin, et Jacob V. Vogelstein. « Phosphene Mapping Procedures for Prosthetic Vision ». Dans Vision Science and its Applications. Washington, D.C. : OSA, 1999. http://dx.doi.org/10.1364/vsia.1999.mb3.
Texte intégralBollen, Caroline J. M., Richard J. A. van Wezel, Marcel A. J. van Gerven et Yağmur Güçlütürk. « Emotion Recognition with Simulated Phosphene Vision ». Dans the 2nd Workshop. New York, New York, USA : ACM Press, 2019. http://dx.doi.org/10.1145/3347319.3356836.
Texte intégralSavage, Craig O., et Mark E. Halpern. « Phosphene brightness modelling for voltage driven waveforms ». Dans 2011 Seventh International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP). IEEE, 2011. http://dx.doi.org/10.1109/issnip.2011.6146575.
Texte intégralOkuno, H., T. Fehervari, M. Matsuoka, S. Kameda et T. Yagi. « Portable phosphene image generator simulating cortical visual prosthesis ». Dans 2012 IEEE Biomedical Circuits and Systems Conference (BioCAS 2012). IEEE, 2012. http://dx.doi.org/10.1109/biocas.2012.6418465.
Texte intégralGranley, Jacob, et Michael Beyeler. « A Computational Model of Phosphene Appearance for Epiretinal Prostheses ». Dans 2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC). IEEE, 2021. http://dx.doi.org/10.1109/embc46164.2021.9629663.
Texte intégralPerez-Yus, Alejandro, Jesus Bermudez-Cameo, Jose J. Guerrero et Gonzalo Lopez-Nicolas. « Depth and Motion Cues with Phosphene Patterns for Prosthetic Vision ». Dans 2017 IEEE International Conference on Computer Vision Workshop (ICCVW). IEEE, 2017. http://dx.doi.org/10.1109/iccvw.2017.179.
Texte intégralZhao, Ying, et Qiushi Ren. « Recognition of Chinese character formed by irregular simulated phosphene arrays ». Dans 2012 11th International Conference on Signal Processing (ICSP 2012). IEEE, 2012. http://dx.doi.org/10.1109/icosp.2012.6492028.
Texte intégralRapports d'organisations sur le sujet "Phosphene"
Raghothama, Kashchandra G., Avner Silber et Avraham Levy. Biotechnology approaches to enhance phosphorus acquisition of tomato plants. United States Department of Agriculture, janvier 2006. http://dx.doi.org/10.32747/2006.7586546.bard.
Texte intégralCollings, R. K. Phosphate. Natural Resources Canada/CMSS/Information Management, 1991. http://dx.doi.org/10.4095/328633.
Texte intégralChandler, F. W., et R. L. Christie. Stratiform phosphate. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/207952.
Texte intégralHay, M., et W. King. PHOSPHATE MANAGEMENT : FY2010 RESULTS OF PHOSPHATE PRECIPITATION TESTS. Office of Scientific and Technical Information (OSTI), avril 2011. http://dx.doi.org/10.2172/1013047.
Texte intégralGrasby, S. E., et J. M. Galloway. Rare-earth elements of Permian through Cretaceous strata of the Sverdrup Basin, Nunavut and Northwest Territories. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330202.
Texte intégralLumetta, Gregg J., Jenifer C. Braley, Matthew K. Edwards, Odeta Qafoku, Andrew R. Felmy, Jennifer C. Carter et Paul J. MacFarlan. Removing Phosphate from Hanford High-Phosphate Tank Wastes : FY 2010 Results. Office of Scientific and Technical Information (OSTI), septembre 2010. http://dx.doi.org/10.2172/992014.
Texte intégralMailen, J. C., et O. K. Tallent. Separation of uranium and dibutyl phosphate contained in 30 vol % tributyl phosphate solvents. Office of Scientific and Technical Information (OSTI), juillet 1986. http://dx.doi.org/10.2172/5399500.
Texte intégralBoyd, Bruce A., et Robert H. Neilson. Synthesis of (1,3-Disilylpropenyl)Phosphines. Fort Belvoir, VA : Defense Technical Information Center, janvier 1989. http://dx.doi.org/10.21236/ada204375.
Texte intégralZhang, X., A. Linsebigler, U. Heiz, J. T. Yates et Jr. Phosphine Chemistry on Mo(110) and Oxidized Mo(110). Fort Belvoir, VA : Defense Technical Information Center, janvier 1993. http://dx.doi.org/10.21236/ada266717.
Texte intégralAnderson, M. A., W. A. Zeltner et C. G. Jr Hill. Development of phosphate-based ceramic membranes. Office of Scientific and Technical Information (OSTI), novembre 1992. http://dx.doi.org/10.2172/7164518.
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