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7 - A Tale of Two Automated States
- from Part II - Automated States
- Edited by Zofia Bednarz, University of Sydney, Monika Zalnieriute, University of New South Wales, Sydney
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- <i>Money, Power, and AI</i>
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- 16 November 2023
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- 30 November 2023, pp 136-151
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Summary
Chapter 7 analyses the legal challenges that incorporation of AI-systems in the Automated State will bring. The starting point is that legal systems have coped relatively well so far with the use of computers by public authorities. The critical disruption of the Automated State predicted by Robert McBride in 1967 has not been materialised and, therefore, we have not been forced to substantively rethink the adequacy of how administrative law deals with machines. However, the incorporation of AI in automation may be that disruption. In this chapter, Bello y Villarino offers a counterpoint to those who believe that existing principles and rules can be easily adapted to address the use of AI in the public sector. He discusses the distinct elements of AI, through an exploration of the dual role of public authorities: a state that executes policy and a state that designs policy. The use of AI systems in both contexts are of a different regulatory order. Until now there has been an assumption that policy design should be allowed a broad margin of discretion, especially when compared to the state as an executor of policies and rules. Yet, the automation of policy design will require that public authorities make explicit decisions about objectives, boundary conditions, and preferences. Discretion for humans can remain, but AI systems analysing policy choices may suggest that certain options are superior to others. This could justify employing different legal lenses to approach the regulation of automated decision-making and decision-support systems used by the State. The reasoning, to some extent, could also be extrapolated to Automated Banks. Each perspective is analysed in reference to the activity of modern states. The main argument is that the AI-driven Automated State is not suited for the one-size-fits-all approach often claimed to apply to administrative law. The final part of the chapter explores some heuristics that could facilitate the regulatory transition.
Acceptable Risks in Europe’s Proposed AI Act: Reasonableness and Other Principles for Deciding How Much Risk Management Is Enough
- Henry Fraser, José-Miguel Bello y Villarino
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- European Journal of Risk Regulation , First View
- Published online by Cambridge University Press:
- 18 August 2023, pp. 1-16
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This paper critically evaluates the European Commission’s proposed AI Act’s approach to risk management and risk acceptability for high-risk artificial intelligence systems that pose risks to fundamental rights and safety. The Act aims to promote “trustworthy” AI with a proportionate regulatory burden. Its provisions on risk acceptability require residual risks from high-risk systems to be reduced or eliminated “as far as possible”, having regard for the “state of the art”. This criterion, especially if interpreted narrowly, is unworkable and promotes neither proportionate regulatory burden nor trustworthiness. By contrast, the Parliament’s most recent draft amendments to the risk management provisions introduce “reasonableness” and cost–benefit analyses and are more transparent regarding the value-laden and contextual nature of risk acceptability judgments. This paper argues that the Parliament’s approach is more workable and better balances the goals of proportionality and trustworthiness. It explains what reasonableness in risk acceptability judgments would entail, drawing on principles from negligence law and European medical devices regulation. It also contends that the approach to risk acceptability judgments needs a firm foundation of civic legitimacy, including detailed guidance or involvement from regulators and meaningful input from affected stakeholders.
Assessment of executive functions through a virtual reality task in euthymic patients with bipolar disorder and influence in psychosocial functioning
- J. Andreu Martínez, D. Beltrán Cristancho, P. Navalón, P. Sierra San Miguel, A. García Blanco, A. Chicchi Glioli, S. Cervera Torres, M. Alcañiz Raya, Y. Cañada Pérez
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S700
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Introduction
Previous research has shown that neurocognitive deficits, especially deficits in executive functions, may persist during euthymia in in patients with bipolar disorder (BD) and that those are associated with an impairment of psychosocial functioning. The assessment of executive functions (EFs) is normally carried out using laboratory tests. Novel methodologies such as virtual reality (VR) allow the creation of immersive environments, to evaluate executive performance with greater potential for ecological validity than evaluations with standard tasks.
ObjectivesThe objectives of this project are to evaluate executive performance in euthymic patients with BD with a novel virtual reality task compared to standard computerized tasks, and to find predictors of functioning associated with cognitive performance.
MethodsThis is a cross sectional study in which 46 euthymic patients with BD treated at La Fe University and Polytechnic Hospital were assessed with a battery of standard computerized tasks (ST) (TMT/Stroop,/Go-No-Go/TOL/DOT) and with the Cooking Task virtual reality task. The Cooking Task presents 4 tasks of increasing difficulty in which you must cook food in a specific time. It records total time to complete the task, whether food is cooled or burned, the simultaneous use of two fires, the proper use of seasonings and the time to set the table.
Functioning was assessed with the Functioning Assessment Short Test (FAST) that evaluates the overall functioning of patients with a mental illness in 6 subscales.
Correlation analyses between cognitive performance variables and clinical variables were done. Multiple linear regression was performed with the FAST score as a dependent variable and cognitive performance variables and relevant clinical variables to executive functioning (months of euthymia, age, and number of total episodes) were included as independent variables.
ResultsA worse psychosocial functioning was significantly associated with a worse performance in standard tasks (TMTA, TMTB, STROOP, and TOL) and cooking task (total time spent on task 2, burning time and total time spent on task 3, and total time spent on task 4). In the regression analysis, the correct simultaneous use of the two fires was the best predictor of a better psychosocial functioning in BD patient. This implies the preserved ability of planning and performing dual tasks.
ConclusionsOur findings suggest that euthymic patients with BD present deficits in executive functions related with a worse psychosocial functioning. Among the tasks, the cooking task may have a greater sensitivity than standards task to predict real functioning. This in an opportunity to design virtual applications for diagnostic and therapeutic purposes.
Disclosure of InterestNone Declared
Biological determinants of functioning in euthymic patients with Bipolar Disorder: A multicentric 3-year cohort study
- Y. Cañada, A. García-Blanco, P. Navalón, M. Sanchez Autet, L. De La Fuente Tomas, M.P. Garcia-Portilla, B. Arranz, P. Sierra San Miguel
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- European Psychiatry / Volume 65 / Issue S1 / June 2022
- Published online by Cambridge University Press:
- 01 September 2022, pp. S221-S222
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Introduction
Bipolar disorder is related with functional impairment in euthymia. The contribution of biological functions such as sleep, sexual functioning; or the presence of obesity on this loss remain understudied.
ObjectivesThe aim of this work was to study the influence of biological determinants in context with clinical and demographical determinants of functioning in a 3-year cohort of euthymic BD patients.
MethodsIn this multicentric study 67 euthymic adult bipolar outpatients were followed during three years. Functioning was assessed with FAST, insomnia severity with Oviedo Sleep Questionnaire (OSQ) and, sexual functioning with Changes on Sexual Functioning Questionnaire (CSFQ-14) and obesity was expressed as body mass index (BMI). The basal effect of sleep, sexual functioning and obesity (Time 0) on FAST (Time 3) was analyzed with a mixed ordinal regression model including time effect, age, sex, number of manic and depressive episodes, euthymia length, and comorbidity with personality disorder. Change in functioning (Time 3 to 0) was analyzed in another mixed model also considering the difference in biological determinants (Time 3 to 0) and the presence of mood episodes during the period.
ResultsA basal worse sexual functioning, a higher severity of insomnia and a higher BMI predicted a worse functioning at three years (p=0.005, p=0.043, p=0.05 respectively). Regarding FAST difference from Time0 to 3, only having a manic episode related to an impairment on functioning (p=0.027).
ConclusionsSexual functioning, quality of sleep and BMI are predictors of functioning in euthymia in BD. Manic episodes in the following contribute to impairments on functioning more than depressive episodes.
DisclosureNo significant relationships.
Study Protocol: Gut microbiota profiles implicated in the onset of autism spectrum disorders in preterm infants: A two-year follow-up study
- P. Navalón, F. Ghosn, B. Almansa, I. Lara, A. Pinilla, Á. Solaz, C. Zapata De Miguel, Y. Cañada, A. García-Blanco
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- European Psychiatry / Volume 65 / Issue S1 / June 2022
- Published online by Cambridge University Press:
- 01 September 2022, p. S276
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Introduction
Preterm infants are at high-risk of developing autism spectrum disorders (ASD). The underlying mechanisms that explain the link between prematurity and ASD are unclear. Perinatal environmental factors may disrupt the gut-brain communication, when the gut microbiome composition is established and brain programming occurs. Therefore, the disruption of the gut-brain axis communication in response to perinatal environmental events may shed light on the association between prematurity and ASD.
ObjectivesTo describe a new research project protocol which aim is to develop a dynamic model of gut microbiota variation in response to environmental factors that modulate the ASD risk in preterm infants.
MethodsA two-year prospective observational study will be carried out, in which preterm infants will be assessed at birth, 40th postmenstrual week, at 6, 12, and 24 months of corrected age. Two-hundred preterm infants will be recruited. A comprehensive assessment will be conducted by collecting data on sociodemographic characteristics, medical history, family functioning, neurodevelopment, ASD screening, and diagnosis. Microbiome composition and microbial activity will be determined from feces.
ResultsThe expected results are: i) to characterize ASD since its early manifestations in an at-risk population, allowing an early diagnosis and intervention to improve clinical outcomes; ii) to identify early microbiota biomarkers in order to find potential pathophysiological pathways; iii) to understand the protective and risk factors associated to ASD since perinatal period.
ConclusionsA two-year predictive model will be generated based on environmental and gut microbiota variables. This predictive model of ASD would allow prevention, early diagnosis, improvement of prognosis, and personalized treatments in preterm infants.
DisclosureNo significant relationships.
Contributors
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- By Elvira Narvaja de Arnoux, Graciela Barrios, Yvette Bürki, Susana Castillo Rodríguez, BÁrbara Cifuentes, José del Valle, Elise M. DU Bord, Mauro Fernández, Arturo Fernández-Gibert, Paul Firbas, Ofelia García, Jennifer Leeman, Glenn A. Martinez, Miguel Martínez, Alberto Medina, Henrique Monteagudo, Guillermo Toscano y García, Juan R. Valdez, Laura Villa, Kathryn A. Woolard, Roger Wright
- Edited by José Del Valle, City University of New York
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- A Political History of Spanish
- Published online:
- 05 August 2013
- Print publication:
- 29 August 2013, pp x-xi
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- By Ricardo Abramovay, Bothwell Batidzirai, Ryan Blanchard, Gareth D. Borman, Matteo Borzoni, Miguel Carriquiry, Mark Elder, Amani Elobeid, Karl-Heinz Erb, Colin Everson, Jacinto F. Fabiosa, Yan Gao, John Garcia-Ulloa, Alexandros Gasparatos, P. Winnie Gerbens-Leenes, Mark B. Gush, Helmut Haberl, Jason Hill, Arjen Y. Hoekstra, Francis X. Johnson, Lian Pin Koh, Fridolin Krausmann, Christian Lauk, Janice S. H. Lee, Markku Lehtonen, Omar Masera, Andreas Mayer, Siwa Msangi, Christoph Plutzar, Stephen Polasky, Jane Romero, Daisuke Sano, Margaret Skutsch, Julia Steinberger, Per Stromberg, Anne Sugrue, Theo H. van der Meer, Graham P. Von Maltitz, Kristina Wagstrom
- Edited by Alexandros Gasparatos, United Nations University, Tokyo, Per Stromberg
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- Socioeconomic and Environmental Impacts of Biofuels
- Published online:
- 05 September 2012
- Print publication:
- 06 August 2012, pp vii-x
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Rocky exoplanet characterization and atmospheres
- L. Kaltenegger, Y. Miguel, S. Rugheimer
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- International Journal of Astrobiology / Volume 11 / Issue 4 / October 2012
- Published online by Cambridge University Press:
- 16 February 2012, pp. 297-307
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A decade of exoplanet search has led to surprising discoveries, from giant planets close to their star, to planets orbiting two stars, all the way to the first extremely hot, rocky worlds with potentially permanent lava on their surfaces due to the star's proximity. Observation techniques have reached the sensitivity to explore the chemical composition of the atmospheres as well as physical structure of some detected gas planets and detect planets of less than 10 Earth masses (MEarth), the so-called super-Earths, among them some that may potentially be habitable. Three confirmed non-transiting planets, and several transiting Kepler planetary candidates, orbit in the habitable zone (HZ) of their host star. The detection and characterization of rocky and potentially Earth-like planets is approaching rapidly with future ground and space missions that can explore the planetary environments by analysing their atmosphere remotely. This paper discusses how to characterize a rocky exoplanet remotely.
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- By Emily Abbey, Charl Alberts, Herman Baert, Shalini Bahl, John Barresi, Marie-Cécile Bertau, Sunil Bhatia, Kenneth R. Cabell, Nandita Chaudhary, Elżbieta Chmielnicka-Kuter, Giancarlo Dimaggio, Shaun Gallagher, Thorsten Gieser, Alex Gillespie, Miguel M. Gonçalves, Hubert J. M. Hermans, Agnieszka Hermans-Konopka, Vincent W. Hevern, David Y. F. Ho, Carol A. Jasper, Dorota Kobylińska, Reinekke Lengelle, M. Beatrice Ligorio, Graham Lindegger, John T. Lysaker, Paul H. Lysaker, Frans Meijers, Toon van Meijl, Helen R. Moore, Masayoshi Morioka, Robert A. Neimeyer, Dina Nir, Piotr K. Oleś, Małgorzata Puchalska-Wasyl, Peter T. F. Raggatt, António P. Ribeiro, John Rowan, Katarzyna Stemplewska-Żakowicz, Seth Surgan, Hubert Suszek, Jaan Valsiner, Leni M. F. Verhofstadt-Denève, Lisa S. Whittaker, Annemie Winters, Bartosz Zalewski, Renata Żurawska-Żyła
- Edited by Hubert J. M. Hermans, Radboud Universiteit Nijmegen, Thorsten Gieser, Universität Koblenz-Landau, Germany
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- Handbook of Dialogical Self Theory
- Published online:
- 05 June 2012
- Print publication:
- 24 November 2011, pp x-xiii
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The science of EChO
- Giovanna Tinetti, James Y-K. Cho, Caitlin A. Griffith, Olivier Grasset, Lee Grenfell, Tristan Guillot, Tommi T. Koskinen, Julianne I. Moses, David Pinfield, Jonathan Tennyson, Marcell Tessenyi, Robin Wordsworth, Alan Aylward, Roy van Boekel, Angioletta Coradini, Therese Encrenaz, Ignas Snellen, Maria R. Zapatero-Osorio, Jeroen Bouwman, Vincent Coudé du Foresto, Mercedes Lopez-Morales, Ingo Mueller-Wodarg, Enric Pallé, Franck Selsis, Alessandro Sozzetti, Jean-Philippe Beaulieu, Thomas Henning, Michael Meyer, Giuseppina Micela, Ignasi Ribas, Daphne Stam, Mark Swain, Oliver Krause, Marc Ollivier, Emanuele Pace, Bruce Swinyard, Peter A.R. Ade, Nick Achilleos, Alberto Adriani, Craig B. Agnor, Cristina Afonso, Carlos Allende Prieto, Gaspar Bakos, Robert J. Barber, Michael Barlow, Peter Bernath, Bruno Bézard, Pascal Bordé, Linda R. Brown, Arnaud Cassan, Céline Cavarroc, Angela Ciaravella, Charles Cockell, Athéna Coustenis, Camilla Danielski, Leen Decin, Remco De Kok, Olivier Demangeon, Pieter Deroo, Peter Doel, Pierre Drossart, Leigh N. Fletcher, Matteo Focardi, Francois Forget, Steve Fossey, Pascal Fouqué, James Frith, Marina Galand, Patrick Gaulme, Jonay I. González Hernández, Davide Grassi, Matt J. Griffin, Ulrich Grözinger, Manuel Guedel, Pactrick Guio, Olivier Hainaut, Robert Hargreaves, Peter H. Hauschildt, Kevin Heng, David Heyrovsky, Ricardo Hueso, Pat Irwin, Lisa Kaltenegger, Patrick Kervella, David Kipping, Geza Kovacs, Antonino La Barbera, Helmut Lammer, Emmanuel Lellouch, Giuseppe Leto, Mercedes Lopez Morales, Miguel A. Lopez Valverde, Manuel Lopez-Puertas, Christophe Lovi, Antonio Maggio, Jean-Pierre Maillard, Jesus Maldonado Prado, Jean-Baptiste Marquette, Francisco J. Martin-Torres, Pierre Maxted, Steve Miller, Sergio Molinari, David Montes, Amaya Moro-Martin, Olivier Mousis, Napoléon Nguyen Tuong, Richard Nelson, Glenn S. Orton, Eric Pantin, Enzo Pascale, Stefano Pezzuto, Ennio Poretti, Raman Prinja, Loredana Prisinzano, Jean-Michel Réess, Ansgar Reiners, Benjamin Samuel, Jorge Sanz Forcada, Dimitar Sasselov, Giorgio Savini, Bruno Sicardy, Alan Smith, Lars Stixrude, Giovanni Strazzulla, Gautam Vasisht, Sandrine Vinatier, Serena Viti, Ingo Waldmann, Glenn J. White, Thomas Widemann, Roger Yelle, Yuk Yung, Sergey Yurchenko
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- Journal:
- Proceedings of the International Astronomical Union / Volume 6 / Issue S276 / October 2010
- Published online by Cambridge University Press:
- 10 November 2011, pp. 359-370
- Print publication:
- October 2010
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The science of extra-solar planets is one of the most rapidly changing areas of astrophysics and since 1995 the number of planets known has increased by almost two orders of magnitude. A combination of ground-based surveys and dedicated space missions has resulted in 560-plus planets being detected, and over 1200 that await confirmation. NASA's Kepler mission has opened up the possibility of discovering Earth-like planets in the habitable zone around some of the 100,000 stars it is surveying during its 3 to 4-year lifetime. The new ESA's Gaia mission is expected to discover thousands of new planets around stars within 200 parsecs of the Sun. The key challenge now is moving on from discovery, important though that remains, to characterisation: what are these planets actually like, and why are they as they are?
In the past ten years, we have learned how to obtain the first spectra of exoplanets using transit transmission and emission spectroscopy. With the high stability of Spitzer, Hubble, and large ground-based telescopes the spectra of bright close-in massive planets can be obtained and species like water vapour, methane, carbon monoxide and dioxide have been detected. With transit science came the first tangible remote sensing of these planetary bodies and so one can start to extrapolate from what has been learnt from Solar System probes to what one might plan to learn about their faraway siblings. As we learn more about the atmospheres, surfaces and near-surfaces of these remote bodies, we will begin to build up a clearer picture of their construction, history and suitability for life.
The Exoplanet Characterisation Observatory, EChO, will be the first dedicated mission to investigate the physics and chemistry of Exoplanetary Atmospheres. By characterising spectroscopically more bodies in different environments we will take detailed planetology out of the Solar System and into the Galaxy as a whole.
EChO has now been selected by the European Space Agency to be assessed as one of four M3 mission candidates.
Contributors
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- By Rose Teteki Abbey, K. C. Abraham, David Tuesday Adamo, LeRoy H. Aden, Efrain Agosto, Victor Aguilan, Gillian T. W. Ahlgren, Charanjit Kaur AjitSingh, Dorothy B E A Akoto, Giuseppe Alberigo, Daniel E. Albrecht, Ruth Albrecht, Daniel O. Aleshire, Urs Altermatt, Anand Amaladass, Michael Amaladoss, James N. Amanze, Lesley G. Anderson, Thomas C. Anderson, Victor Anderson, Hope S. Antone, María Pilar Aquino, Paula Arai, Victorio Araya Guillén, S. Wesley Ariarajah, Ellen T. Armour, Brett Gregory Armstrong, Atsuhiro Asano, Naim Stifan Ateek, Mahmoud Ayoub, John Alembillah Azumah, Mercedes L. García Bachmann, Irena Backus, J. Wayne Baker, Mieke Bal, Lewis V. Baldwin, William Barbieri, António Barbosa da Silva, David Basinger, Bolaji Olukemi Bateye, Oswald Bayer, Daniel H. Bays, Rosalie Beck, Nancy Elizabeth Bedford, Guy-Thomas Bedouelle, Chorbishop Seely Beggiani, Wolfgang Behringer, Christopher M. Bellitto, Byard Bennett, Harold V. Bennett, Teresa Berger, Miguel A. Bernad, Henley Bernard, Alan E. Bernstein, Jon L. Berquist, Johannes Beutler, Ana María Bidegain, Matthew P. Binkewicz, Jennifer Bird, Joseph Blenkinsopp, Dmytro Bondarenko, Paulo Bonfatti, Riet en Pim Bons-Storm, Jessica A. Boon, Marcus J. Borg, Mark Bosco, Peter C. Bouteneff, François Bovon, William D. Bowman, Paul S. Boyer, David Brakke, Richard E. Brantley, Marcus Braybrooke, Ian Breward, Ênio José da Costa Brito, Jewel Spears Brooker, Johannes Brosseder, Nicholas Canfield Read Brown, Robert F. Brown, Pamela K. Brubaker, Walter Brueggemann, Bishop Colin O. Buchanan, Stanley M. Burgess, Amy Nelson Burnett, J. Patout Burns, David B. Burrell, David Buttrick, James P. Byrd, Lavinia Byrne, Gerado Caetano, Marcos Caldas, Alkiviadis Calivas, William J. Callahan, Salvatore Calomino, Euan K. Cameron, William S. Campbell, Marcelo Ayres Camurça, Daniel F. Caner, Paul E. Capetz, Carlos F. Cardoza-Orlandi, Patrick W. Carey, Barbara Carvill, Hal Cauthron, Subhadra Mitra Channa, Mark D. Chapman, James H. Charlesworth, Kenneth R. Chase, Chen Zemin, Luciano Chianeque, Philip Chia Phin Yin, Francisca H. Chimhanda, Daniel Chiquete, John T. Chirban, Soobin Choi, Robert Choquette, Mita Choudhury, Gerald Christianson, John Chryssavgis, Sejong Chun, Esther Chung-Kim, Charles M. A. Clark, Elizabeth A. Clark, Sathianathan Clarke, Fred Cloud, John B. Cobb, W. Owen Cole, John A Coleman, John J. Collins, Sylvia Collins-Mayo, Paul K. Conkin, Beth A. Conklin, Sean Connolly, Demetrios J. Constantelos, Michael A. Conway, Paula M. Cooey, Austin Cooper, Michael L. Cooper-White, Pamela Cooper-White, L. William Countryman, Sérgio Coutinho, Pamela Couture, Shannon Craigo-Snell, James L. Crenshaw, David Crowner, Humberto Horacio Cucchetti, Lawrence S. Cunningham, Elizabeth Mason Currier, Emmanuel Cutrone, Mary L. Daniel, David D. Daniels, Robert Darden, Rolf Darge, Isaiah Dau, Jeffry C. Davis, Jane Dawson, Valentin Dedji, John W. de Gruchy, Paul DeHart, Wendy J. Deichmann Edwards, Miguel A. De La Torre, George E. Demacopoulos, Thomas de Mayo, Leah DeVun, Beatriz de Vasconcellos Dias, Dennis C. Dickerson, John M. Dillon, Luis Miguel Donatello, Igor Dorfmann-Lazarev, Susanna Drake, Jonathan A. Draper, N. Dreher Martin, Otto Dreydoppel, Angelyn Dries, A. J. Droge, Francis X. D'Sa, Marilyn Dunn, Nicole Wilkinson Duran, Rifaat Ebied, Mark J. Edwards, William H. Edwards, Leonard H. Ehrlich, Nancy L. Eiesland, Martin Elbel, J. Harold Ellens, Stephen Ellingson, Marvin M. Ellison, Robert Ellsberg, Jean Bethke Elshtain, Eldon Jay Epp, Peter C. Erb, Tassilo Erhardt, Maria Erling, Noel Leo Erskine, Gillian R. Evans, Virginia Fabella, Michael A. Fahey, Edward Farley, Margaret A. Farley, Wendy Farley, Robert Fastiggi, Seena Fazel, Duncan S. Ferguson, Helwar Figueroa, Paul Corby Finney, Kyriaki Karidoyanes FitzGerald, Thomas E. FitzGerald, John R. Fitzmier, Marie Therese Flanagan, Sabina Flanagan, Claude Flipo, Ronald B. Flowers, Carole Fontaine, David Ford, Mary Ford, Stephanie A. Ford, Jim Forest, William Franke, Robert M. Franklin, Ruth Franzén, Edward H. Friedman, Samuel Frouisou, Lorelei F. Fuchs, Jojo M. Fung, Inger Furseth, Richard R. Gaillardetz, Brandon Gallaher, China Galland, Mark Galli, Ismael García, Tharscisse Gatwa, Jean-Marie Gaudeul, Luis María Gavilanes del Castillo, Pavel L. Gavrilyuk, Volney P. Gay, Metropolitan Athanasios Geevargis, Kondothra M. George, Mary Gerhart, Simon Gikandi, Maurice Gilbert, Michael J. Gillgannon, Verónica Giménez Beliveau, Terryl Givens, Beth Glazier-McDonald, Philip Gleason, Menghun Goh, Brian Golding, Bishop Hilario M. Gomez, Michelle A. Gonzalez, Donald K. Gorrell, Roy Gottfried, Tamara Grdzelidze, Joel B. Green, Niels Henrik Gregersen, Cristina Grenholm, Herbert Griffiths, Eric W. Gritsch, Erich S. Gruen, Christoffer H. Grundmann, Paul H. Gundani, Jon P. Gunnemann, Petre Guran, Vidar L. Haanes, Jeremiah M. Hackett, Getatchew Haile, Douglas John Hall, Nicholas Hammond, Daphne Hampson, Jehu J. Hanciles, Barry Hankins, Jennifer Haraguchi, Stanley S. Harakas, Anthony John Harding, Conrad L. Harkins, J. William Harmless, Marjory Harper, Amir Harrak, Joel F. Harrington, Mark W. Harris, Susan Ashbrook Harvey, Van A. Harvey, R. Chris Hassel, Jione Havea, Daniel Hawk, Diana L. Hayes, Leslie Hayes, Priscilla Hayner, S. Mark Heim, Simo Heininen, Richard P. Heitzenrater, Eila Helander, David Hempton, Scott H. Hendrix, Jan-Olav Henriksen, Gina Hens-Piazza, Carter Heyward, Nicholas J. Higham, David Hilliard, Norman A. Hjelm, Peter C. Hodgson, Arthur Holder, M. Jan Holton, Dwight N. Hopkins, Ronnie Po-chia Hsia, Po-Ho Huang, James Hudnut-Beumler, Jennifer S. Hughes, Leonard M. Hummel, Mary E. Hunt, Laennec Hurbon, Mark Hutchinson, Susan E. Hylen, Mary Beth Ingham, H. Larry Ingle, Dale T. Irvin, Jon Isaak, Paul John Isaak, Ada María Isasi-Díaz, Hans Raun Iversen, Margaret C. Jacob, Arthur James, Maria Jansdotter-Samuelsson, David Jasper, Werner G. Jeanrond, Renée Jeffery, David Lyle Jeffrey, Theodore W. Jennings, David H. Jensen, Robin Margaret Jensen, David Jobling, Dale A. Johnson, Elizabeth A. Johnson, Maxwell E. Johnson, Sarah Johnson, Mark D. Johnston, F. Stanley Jones, James William Jones, John R. Jones, Alissa Jones Nelson, Inge Jonsson, Jan Joosten, Elizabeth Judd, Mulambya Peggy Kabonde, Robert Kaggwa, Sylvester Kahakwa, Isaac Kalimi, Ogbu U. Kalu, Eunice Kamaara, Wayne C. Kannaday, Musimbi Kanyoro, Veli-Matti Kärkkäinen, Frank Kaufmann, Léon Nguapitshi Kayongo, Richard Kearney, Alice A. Keefe, Ralph Keen, Catherine Keller, Anthony J. Kelly, Karen Kennelly, Kathi Lynn Kern, Fergus Kerr, Edward Kessler, George Kilcourse, Heup Young Kim, Kim Sung-Hae, Kim Yong-Bock, Kim Yung Suk, Richard King, Thomas M. King, Robert M. Kingdon, Ross Kinsler, Hans G. Kippenberg, Cheryl A. Kirk-Duggan, Clifton Kirkpatrick, Leonid Kishkovsky, Nadieszda Kizenko, Jeffrey Klaiber, Hans-Josef Klauck, Sidney Knight, Samuel Kobia, Robert Kolb, Karla Ann Koll, Heikki Kotila, Donald Kraybill, Philip D. W. Krey, Yves Krumenacker, Jeffrey Kah-Jin Kuan, Simanga R. Kumalo, Peter Kuzmic, Simon Shui-Man Kwan, Kwok Pui-lan, André LaCocque, Stephen E. Lahey, John Tsz Pang Lai, Emiel Lamberts, Armando Lampe, Craig Lampe, Beverly J. Lanzetta, Eve LaPlante, Lizette Larson-Miller, Ariel Bybee Laughton, Leonard Lawlor, Bentley Layton, Robin A. Leaver, Karen Lebacqz, Archie Chi Chung Lee, Marilyn J. Legge, Hervé LeGrand, D. L. LeMahieu, Raymond Lemieux, Bill J. Leonard, Ellen M. Leonard, Outi Leppä, Jean Lesaulnier, Nantawan Boonprasat Lewis, Henrietta Leyser, Alexei Lidov, Bernard Lightman, Paul Chang-Ha Lim, Carter Lindberg, Mark R. Lindsay, James R. Linville, James C. Livingston, Ann Loades, David Loades, Jean-Claude Loba-Mkole, Lo Lung Kwong, Wati Longchar, Eleazar López, David W. Lotz, Andrew Louth, Robin W. Lovin, William Luis, Frank D. Macchia, Diarmaid N. J. MacCulloch, Kirk R. MacGregor, Marjory A. MacLean, Donald MacLeod, Tomas S. Maddela, Inge Mager, Laurenti Magesa, David G. Maillu, Fortunato Mallimaci, Philip Mamalakis, Kä Mana, Ukachukwu Chris Manus, Herbert Robinson Marbury, Reuel Norman Marigza, Jacqueline Mariña, Antti Marjanen, Luiz C. L. Marques, Madipoane Masenya (ngwan'a Mphahlele), Caleb J. D. Maskell, Steve Mason, Thomas Massaro, Fernando Matamoros Ponce, András Máté-Tóth, Odair Pedroso Mateus, Dinis Matsolo, Fumitaka Matsuoka, John D'Arcy May, Yelena Mazour-Matusevich, Theodore Mbazumutima, John S. McClure, Christian McConnell, Lee Martin McDonald, Gary B. McGee, Thomas McGowan, Alister E. McGrath, Richard J. McGregor, John A. McGuckin, Maud Burnett McInerney, Elsie Anne McKee, Mary B. McKinley, James F. McMillan, Ernan McMullin, Kathleen E. McVey, M. 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Yee, Viktor Yelensky, Yeo Khiok-Khng, Gustav K. K. Yeung, Angela Yiu, Amos Yong, Yong Ting Jin, You Bin, Youhanna Nessim Youssef, Eliana Yunes, Robert Michael Zaller, Valarie H. Ziegler, Barbara Brown Zikmund, Joyce Ann Zimmerman, Aurora Zlotnik, Zhuo Xinping
- Edited by Daniel Patte, Vanderbilt University, Tennessee
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- Book:
- The Cambridge Dictionary of Christianity
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- 05 August 2012
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- 20 September 2010, pp xi-xliv
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Optical Properties of Silicon Nanoparticles in Silica Gel Monoliths
- Y. Posada, L. San Miguel, L. F. Fonseca, O. Resto, S. Z. Weisz
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- MRS Online Proceedings Library Archive / Volume 737 / 2002
- Published online by Cambridge University Press:
- 11 February 2011, F3.54
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- 2002
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We have synthesized highly photoluminescent monoliths by incorporating nanocrystalline Silicon (nc-Si) from Porous Silicon (PSi) into a Sol Gel Silica matrix. The optically transparent samples are the result of mixing an acid catalyzed solution of Sol-Gel and nc-Si that forms a solution of Si-nanoclusters (Si-n) that eventually after condensation for three days produces the final luminescent material. Photoluminescence (PL) basic studies show a very high orange emission band with a maximum peak that ranges between 600 nm and 750 nm. The PL emission intensity was increased up to ten times the luminescence of the native nano material PSi, the mechanical and thermal stability properties were also greatly improved. The PL corresponds to different concentrations or preparations of Sol-Gel with Si-n (Sol-Si) with a broad size distribution that produces orange and blue emissions, and for this reason we take as our future work to tailor samples with very high Si-n densities for semiconducting and photonic applications.
Convention Respecting the Free Navigation of the Suez Maritime Canal. Signed at Constantinople, October 29, 1888.
- W. A. White, Radowitz, Calice, Miguel Florez y Garcia, G. de Montebello, A. Blanc, Gus. Keun, Nélidow, M. Saïd
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- American Journal of International Law / Volume 3 / Issue S2 / April 1909
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- 04 May 2017, pp. 123-127
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- April 1909
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