Search Results - "Steven L. Johnson"

Network Exchange Patterns in Online Communities by Faraj, Samer, Johnson, Steven L.

“…Large-scale online communities rely on computer-mediated communication between participants, enabling them to sustain interactions and exchange on a scale…”
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Hidden Markov model speed heuristic and iterative HMM search procedure by Johnson, L Steven, Eddy, Sean R, Portugaly, Elon

“…Profile hidden Markov models (profile-HMMs) are sensitive tools for remote protein homology detection, but the main scoring algorithms, Viterbi or Forward,…”
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Magnetoelectric domain control in multiferroic TbMnO3 by Matsubara, Masakazu, Manz, Sebastian, Mochizuki, Masahito, Kubacka, Teresa, Iyama, Ayato, Aliouane, Nadir, Kimura, Tsuyoshi, Johnson, Steven L., Meier, Dennis, Fiebig, Manfred

“…The manipulation of domains by external fields in ferroic materials is of major interest for applications. In multiferroics with strongly coupled magnetic and…”
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Picosecond Time-Resolved X-Ray Emission Spectroscopy: Ultrafast Spin-State Determination in an Iron Complex by Vankó, György, Glatzel, Pieter, Pham, Van-Thai, Abela, Rafael, Grolimund, Daniel, Borca, Camelia N, Johnson, Steven L, Milne, Christopher J, Bressler, Christian

“…Ultrafast spin probe: A short‐lived transient species of light‐excited [Fe(bpy)3]2+ (bpy=2,2′‐bipyridine) shows geometry variations that correspond to…”
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Structural determination of a short-lived excited iron(II) complex by picosecond x-ray absorption spectroscopy by Gawelda, Wojciech, Pham, Van-Thai, Benfatto, Maurizio, Zaushitsyn, Yuri, Kaiser, Maik, Grolimund, Daniel, Johnson, Steven L, Abela, Rafael, Hauser, Andreas, Bressler, Christian, Chergui, Majed

“…Structural changes of the iron(II)-tris-bipyridine ([Fe(II)(bpy)(3)](2+)) complex induced by ultrashort pulse excitation and population of its short-lived (<…”
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Identification of Novel MicroRNA-Like Molecules Generated from Herpesvirus and Host tRNA Transcripts by Reese, Tiffany A, Xia, Jing, Johnson, L Steven, Zhou, Xiang, Zhang, Weixiong, Virgin, Herbert W

“…Article Usage Stats Services JVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Generation of millijoule-level sub-5 fs violet laser pulses by Xie, Xinhua, Hung, Yi, Deng, Yunpei, Cavalieri, Adrian L., Baltuška, Andrius, Johnson, Steven L.

“…We demonstrate the generation, spectral broadening and post-compression of second harmonic pulses using a thin beta barium borate (BBO) crystal on a…”
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Murine Cytomegalovirus Protein pM79 Is a Key Regulator for Viral Late Transcription by Chapa, Travis J, Johnson, L Steven, Affolter, Christopher, Valentine, Mark C, Fehr, Anthony R, Yokoyama, Wayne M, Yu, Dong

“…Article Usage Stats Services JVI Citing Articles Google Scholar PubMed Related Content Social Bookmarking CiteULike Delicious Digg Facebook Google+ Mendeley…”
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Time‐Resolved X‐Ray Powder Diffraction Study of Photoinduced Phase Transitions in Ti3O5 Nanoparticles by Tasca, Kelin R., Esposito, Vincent, Lantz, Gabriel, Beaud, Paul, Kubli, Martin, Savoini, Matteo, Giles, Carlos, Johnson, Steven L.

“…Nanoparticles of Ti3O5 have been reported to show a permanent photoinduced phase transition at room temperature. This suggests that light‐induced phase…”
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Emergence of Power Laws in Online Communities: The Role of Social Mechanisms and Preferential Attachment by Johnson, Steven L., Faraj, Samer, Kudaravalli, Srinivas

“…Online communities bring together individuals with shared interest in joint action or sustained interaction. Power law distributions of user popularity appear…”
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A Configural Approach to Coordinating Expertise in Software Development Teams by Kudaravalli, Srinivas, Faraj, Samer, Johnson, Steven L.

“…Despite the recognition of how important expertise coordination is to the performance of software development teams, understanding of how expertise is…”
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Perspective: Opportunities for ultrafast science at SwissFEL by Abela, Rafael, Beaud, Paul, van Bokhoven, Jeroen A., Chergui, Majed, Feurer, Thomas, Haase, Johannes, Ingold, Gerhard, Johnson, Steven L., Knopp, Gregor, Lemke, Henrik, Milne, Chris J., Pedrini, Bill, Radi, Peter, Schertler, Gebhard, Standfuss, Jörg, Staub, Urs, Patthey, Luc

“…We present the main specifications of the newly constructed Swiss Free Electron Laser, SwissFEL, and explore its potential impact on ultrafast science. In…”
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The Emergence of Online Community Leadership by Johnson, Steven L., Safadi, Hani, Faraj, Samer

“…Compared to traditional organizations, online community leadership processes and how leaders emerge are not well studied. Previous studies of online leadership…”
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Strong modulation of carrier effective mass in WTe2 via coherent lattice manipulation by Soranzio, Davide, Savoini, Matteo, Beaud, Paul, Cilento, Federico, Boie, Larissa, Dössegger, Janine, Ovuka, Vladimir, Houver, Sarah, Sander, Mathias, Zerdane, Serhane, Abreu, Elsa, Deng, Yunpei, Mankowsky, Roman, Lemke, Henrik T., Parmigiani, Fulvio, Peressi, Maria, Johnson, Steven L.

“…The layered transition-metal dichalcogenide WTe 2 is characterized by distinctive transport and topological properties. These properties are largely determined…”
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Pervasive transcription of a herpesvirus genome generates functionally important RNAs by Canny, Susan P, Reese, Tiffany A, Johnson, L Steven, Zhang, Xin, Kambal, Amal, Duan, Erning, Liu, Catherine Y, Virgin, Herbert W

“…Pervasive transcription is observed in a wide range of organisms, including humans, mice, and viruses, but the functional significance of the resulting…”
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Observing photochemical transients by ultrafast x-ray absorption spectroscopy by Saes, Melanie, Bressler, Christian, Abela, Rafael, Grolimund, Daniel, Johnson, Steven L, Heimann, Philip A, Chergui, Majed

“…Accurate determination of the transient electronic structures, which drive photochemical reactions, is crucial in chemistry and biology. We report the…”
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Compact and robust supercontinuum generation and post-compression using multiple thin plates by Xie, Xinhua, Deng, Yunpei, Johnson, Steven L.

“…We report on compact and robust supercontinuum generation and post-compression using transmission of light through multiple thin solid plates at the SwissFEL…”
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Dynamics of the photoinduced insulator-to-metal transition in a nickelate film by Esposito, Vincent, Rettig, Laurenz, Bothschafter, Elisabeth M., Deng, Yunpei, Dornes, Christian, Huber, Lucas, Huber, Tim, Ingold, Gerhard, Inubushi, Yuichi, Katayama, Tetsuo, Kawaguchi, Tomoya, Lemke, Henrik, Ogawa, Kanade, Owada, Shigeki, Radovic, Milan, Ramakrishnan, Mahesh, Ristic, Zoran, Scagnoli, Valerio, Tanaka, Yoshikazu, Togashi, Tadashi, Tono, Kensuke, Usov, Ivan, Windsor, Yoav W., Yabashi, Makina, Johnson, Steven L., Beaud, Paul, Staub, Urs

“…Material properties can be controlled via strain, pressure, chemical composition, or dimensionality. Nickelates are particularly susceptible due to their…”
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Open media or echo chamber: the use of links in audience discussions on the Facebook Pages of partisan news organizations by Jacobson, Susan, Myung, Eunyoung, Johnson, Steven L.

“…This study evaluates the use of hyperlinks in audience discussions on the Facebook Pages of two partisan cable news organizations: the liberal-leaning Rachel…”
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Observation of the Solvent Shell Reorganization around Photoexcited Atomic Solutes by Picosecond X-ray Absorption Spectroscopy by Pham, Van-Thai, Gawelda, Wojciech, Zaushitsyn, Yuri, Kaiser, Maik, Grolimund, Daniel, Johnson, Steven L, Abela, Rafael, Bressler, Christian, Chergui, Majed

“…We report on the observation of the solvation shell rearrangement after abstraction of the electron from aqueous I- in a laser pump/X-ray probe experiment by…”
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