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5. Gamify HCI: Device’s Human Resolution for Dragging on Touch Screens in a Game with Lab and Crowd Participants

Author

Christensen, Allan, Pedersen, Simon André, Knoche, Hendrik, Akan, Ozgur, Series editor, Bellavista, Paolo, Series editor, Cao, Jiannong, Series editor, Coulson, Geoffrey, Series editor, Dressler, Falko, Series editor, Ferrari, Domenico, Series editor, Gerla, Mario, Series editor, Kobayashi, Hisashi, Series editor, Palazzo, Sergio, Series editor, Sahni, Sartaj, Series editor, Shen, Xuemin Sherman, Series editor, Stan, Mircea, Series editor, Xiaohua, Jia, Series editor, Zomaya, Albert Y., Series editor, Brooks, Anthony L., editor, and Brooks, Eva, editor

Published
2017
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6. Predictive Model for Group Selection Performance on Touch Devices

Author

Bjerre, Per, Christensen, Allan, Pedersen, Andreas K., Pedersen, Simon A., Stuerzlinger, Wolfgang, Stenholt, Rasmus, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, and Kurosu, Masaaki, editor

Published
2017
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7. Transition Times for Manipulation Tasks in Hybrid Interfaces

Author

Christensen, Allan, Pedersen, Simon A., Bjerre, Per, Pedersen, Andreas K., Stuerzlinger, Wolfgang, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, and Kurosu, Masaaki, editor

Published
2016
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16. JSF Introduction

Author

Saleh, Hazem, Christensen, Allan Lykke, Wadia, Zubin, Saleh, Hazem, Christensen, Allan Lykke, and Wadia, Zubin

Published
2013
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19. JSF2 Advanced Topics

Author

Saleh, Hazem, Christensen, Allan Lykke, Wadia, Zubin, Saleh, Hazem, Christensen, Allan Lykke, and Wadia, Zubin

Published
2013
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22. Time-Based Reward Shaping in Real-Time Strategy Games

Author

Midtgaard, Martin, Vinther, Lars, Christiansen, Jeppe R., Christensen, Allan M., Zeng, Yifeng, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, Cao, Longbing, editor, Bazzan, Ana L. C., editor, Gorodetsky, Vladimir, editor, Mitkas, Pericles A., editor, Weiss, Gerhard, editor, and Yu, Philip S., editor

Published
2010
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25. List of Contributors

Author

Abbamonte, John M., primary, Afaghi, Ahmad, additional, Ajala, Olubukola, additional, dos Santos, Renata Moneda Alberto, additional, Angadi, Siddhartha S., additional, Arjomand, Gol-Naz, additional, August, Kristin J., additional, Badole, Sachin L., additional, Beauloye, Christophe, additional, Bertrand, Luc, additional, Boden, Guenther, additional, Boubred, F., additional, Brooke, M. Jason, additional, da Costa, José Abrão Cardeal, additional, Chen, Zijian, additional, Christensen, Allan Stubbe, additional, Loepfe, Christian, additional, Corrado, Francesco, additional, D’Antona, Giuseppe, additional, Devitt, Amy A., additional, English, Patrick, additional, Florentin, M., additional, Gaesser, Glenn A., additional, Gregersen, Søren, additional, Hegazi, Refaat A., additional, Horman, Sandrine, additional, Imam, Syed Khalid, additional, Jangam, Ganesh B., additional, Jarrett, Catherine, additional, Kamada, Chiemi, additional, Kelly, Caitlin S., additional, Kordi, Arash, additional, Krebs, Jeremy, additional, Li, Daniel Y., additional, Maniglia, Fabíola Pansani, additional, Marcon, Maria Lisa, additional, McEvoy, Claire T., additional, Mechanick, Jeffrey I., additional, Mikami, Dean J., additional, Mitanchez, D., additional, Needleman, Bradley J., additional, Nollino, Laura, additional, Noria, Sabrena F., additional, Nwose, Ezekiel Uba, additional, Paccagnella, Agostino, additional, Papazafiropoulou, Athanasia K., additional, Parry-Strong, Amber, additional, Patil, Kalyani Y., additional, Pirolo, Roberta, additional, Porhomayon, Jahan, additional, Protopsaltis, Ioannis, additional, Rangari, Vinod D., additional, Rege, Abhishek, additional, Rydlewicz, James A., additional, Sabzmakan, Leila, additional, Saini, Rashmi, additional, Salari, Behzad, additional, Samankan, Shabnam, additional, Sambataro, Maria, additional, Santamaria, Angelo, additional, Sarantos, Kostantinos, additional, Sawyer, Brandon J., additional, Shidfar, Farzad, additional, Shukla, Prachi, additional, Simeoni, U., additional, Tessarin, Michele, additional, Tsimihodimos, V., additional, Tucker, Wesley J., additional, Vennos, Cecile, additional, Via, Michael A., additional, Viggers, Lone, additional, Vigo, Claudia, additional, Wiernsperger, Nicolas, additional, Wilson Tang, W.H., additional, Woodside, Jayne V., additional, and Yzydorczyk, C., additional

Published
2015
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27. Textual voyages of self-formation and liberation: Darwin's the voyage of the Beagle and Dana's two years before the mast

Author

Christensen, Allan C.

Subjects
Naturalists -- Works, Travel in literature -- Authorship, Attorneys -- Works, Languages and linguistics, Literature/writing
Abstract

The books by Darwin and by Dana about their youthful journeys exemplify writing that consolidates processes of self-formation and intellectual enfranchisement. The formative process, which would culminate in these books, [...]

Published
2010

28. Screening of DNA-Encoded Small Molecule Libraries inside a Living Cell

Author

Petersen, Lars K., primary, Christensen, Allan B., additional, Andersen, Jacob, additional, Folkesson, Charlotta G., additional, Kristensen, Ole, additional, Andersen, Charlotte, additional, Alzu, Amaya, additional, Sløk, Frank A., additional, Blakskjær, Peter, additional, Madsen, Daniel, additional, Azevedo, Carlos, additional, Micco, Iolanda, additional, and Hansen, Nils J. V., additional

Published
2021
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29. Effects of iron on DNA release and biofilm development by Pseudomonas aeruginosa

Author

Yang, Liang, Barken, Kim B., Skindersoe, Mette E., Christensen, Allan B., Givskov, Michael, and Tolker-Nielsen, Tim

Subjects
Pseudomonas aeruginosa -- Research, Microbial mats -- Genetic aspects, Cell interaction -- Genetic aspects, Biological sciences
Abstract

Extracellular DNA is one of the major matrix components in Pseudomonas aeruginosa biofilms. It functions as an intercellular connector and plays a role in stabilization of the biofilms. Evidence that DNA release in P. aeruginosa PAO1 biofilms is controlled by the las-rhl and pqs quorum-sensing systems has been previously presented. This paper provides evidence that DNA release in P. aeruginosa PAO1 biofilms is also under iron regulation. Experiments involving cultivation of P. aeruginosa in microtitre trays suggested that pqs expression, DNA release and biofilm formation were favoured in media with low iron concentrations (5 [micro]M Fe[Cl.sub.3]), and decreased with increasing iron concentrations. Experiments involving cultivation of P. aeruginosa in a flow-chamber system suggested that a high level of iron (100 [micro]M Fe[Cl.sub.3]) in the medium suppressed DNA release, structural biofilm development, and the development of subpopulations with increased tolerance toward antimicrobial compounds. Experiments with P. aeruginosa strains harbouring fluorescent reporters suggested that expression of the pqs operon was induced in particular subpopulations of the biofilm cells under low-iron conditions (1 [micro]M Fe[Cl.sub.3]), but repressed in the biofilm cells under high-iron conditions (100 [micro]M Fe[Cl.sub.3]). DOI 10.1099/mic.0.2006/004911-0

Published
2007

32. PEARL-seq: A Photoaffinity Platform for the Analysis of Small Molecule-RNA Interactions

Author

Mukherjee, Herschel, primary, Blain, J. Craig, additional, Vandivier, Lee E., additional, Chin, Donovan N., additional, Friedman, Jessica E., additional, Liu, Fei, additional, Maillet, Ashley, additional, Fang, Chao, additional, Kaplan, Jenifer B., additional, Li, Jinxing, additional, Chenoweth, David M., additional, Christensen, Allan Beck, additional, Petersen, Lars Kolster, additional, Hansen, Nils Jakob Vest, additional, Barrera, Luis, additional, Kubica, Neil, additional, Kumaravel, Gnanasambandam, additional, and Petter, Jennifer C., additional

Published
2020
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33. Assessment of flhDC mRNA levels in Serratia liquefaciens swarm cells

Author

Tolker-Nielsen, Tim, Christensen, Allan Beck, Holmstrom, Kim, Eberl, Leo, Rasmussen, Thomas Bovbjerg, Sternberg, Claus, Heydorn, Arne, Molin, Siren, and Givskov, Michael

Subjects
Messenger RNA -- Physiological aspects, Microorganisms -- Motility, Cell differentiation -- Genetic aspects, Microbial genetics -- Analysis, Biological sciences
Abstract

Research reveals that amount of flhDC mRNA is same in both surface-grown swarm cells and nondifferentiated, vegetative cells of Serratia liquefaciens.

Published
2000

34. Production of acylated homoserine lactones by psychrotrophic members of the Enterobacteriaceae isolated from foods

Author

Gram, Lone, Christensen, Allan Beck, Ravn, Lars, Molin, Soren, and Givskov, Michael

Subjects
Enterobacteriaceae -- Physiological aspects, Signal peptides -- Research, Biological sciences
Abstract

Many Enterobacteriaceae produce acylated homoserine lactones, which are used to coordinate colonization. In a study of 154 psychrotrophic Enterobacteriaceae isolated from foods, 116 produced these signal molecules.

Published
1999

35. Two separate regulatory systems participate in control of swarming motility of Serratia liquefaciens MG1

Author

Givskov, Michael, Ostling, Jorgen, Eberl, Leo, Lindum, Peter W., Christensen, Allan Beck, Christiansen, Gunna, Molin, Soren, and Kjelleberg, Staffan

Subjects
Microorganisms -- Motility, Bacterial genetics -- Research, Biological sciences
Abstract

A study is conducted to illustrate how products derived from the swrI gene and the flhDC operon affect the flagellar expression or swarming motility of Serratia liquefaciens. This experiment required the use of genetic techniques as well as an evaluation of the pattern of protein synthesis. Results show that the autoinducer circuit does not participate in the regulation of the flhDC-encoded master regulator.

Published
1998

37. Victorian Will

Author

Christensen, Allan C.

Subjects
Victorian Will (Book) -- Book reviews, Books -- Book reviews, Literature/writing
Published
1990

38. Gamify HCI:Device's Human Resolution for Dragging on Touch Screens in a Game with Lab and Crowd Participants

Author

Christensen, Allan Kærgaard, Pedersen, Simon André, and Knoche, Hendrik

Abstract

We compared a game-based experiment carried out in a lab study to crowdsourced set ups (both uninformed and informed). We investigated the device’s human resolution - the minimum size for dragging the finger onto a target on a touch screen. Participants in the lab consistently produced fewer errors than those from the crowd. For lab participants, errors significantly increased between targets of 4 mm and 2 mm in width. The uninformed crowd had too many errors to determine significant differences but the informed crowd yielded useful data and performance declined already for targets between 8 mm and 4 mm width. The smallest selectable target width for dragging for all three groups combined, was between 2 mm and 4 mm on mobile touch devices.

Published
2017

44. Presence of acylated homoserine lactones (AHLs) and AHL-producing bacteria in meat and potential role of AHL in spoilage of meat

Author

Bruhn, Jesper Bartholin, Christensen, Allan Beck, Flodgaard, Lars Ravn, Nielsen, Kristian Fog, Larsen, Thomas Ostenfeld, Givskov, Michael, and Gram, Lone

Subjects
Microbiology -- Research, Meat -- Testing, Quorum sensing -- Research, Lactones -- Research, Lactones -- Properties, Biological sciences
Abstract

Hafnia alvei was generally found to be the acylated homoserine lactones (AHLs) that produce bacterium in the study conducted. Since the distinct quorum sensing (QS) signals were added it slowed down the AHL producing Hafnia alvei to immunize the meat or to the naturally infected meat did not have any effect of the spoilage on the vacuum packed meat.

Published
2004

45. Oliver Twist on Screen, Three Avatars

Author

Menegaldo, Gilles, Christensen, Allan C., Marroni, Francesco, Paroissien, David, Formes et Représentations en Linguistique et Littérature (FORELL-EA3816), Université de Poitiers, and Menegaldo, Gilles

Subjects
[SHS.MUSIQ] Humanities and Social Sciences/Musicology and performing arts, Charles Dickens, [SHS.MUSIQ]Humanities and Social Sciences/Musicology and performing arts, Cinéma, [SHS.ART] Humanities and Social Sciences/Art and art history, Littérature anglaise, [SHS] Humanities and Social Sciences, Adaptation, [SHS.ART]Humanities and Social Sciences/Art and art history, Oliver Twist, ComputingMilieux_MISCELLANEOUS, [SHS]Humanities and Social Sciences
Abstract

International audience

Published
2015

46. Quorum-sensing-directed protein expression in Serratia poteamaculans B5a

Author

Christensen, Allan B., Riedel, Kathrin, Eberl, Leo, Flodgaard, Lars R., Molin, Soren, Gram, Lone, and Givskov, Michael

Subjects
Microbiology -- Research, Bacterial proteins -- Genetic aspects, Bacterial proteins -- Physiological aspects, Gene expression -- Physiological aspects, Nocardia corallina -- Genetic aspects, Nocardia corallina -- Physiological aspects, Space biology -- Research, Enzymes -- Genetic aspects, Enzymes -- Physiological aspects, Biological sciences
Abstract

Research has been conducted on N-Acyl-L-homoserine-lactone-producing Serratia species. The role of quorum sensing in these species' food spoiling properties has been investigated, and the results demonstrate that quorum-sensing-controlled exoenzymic activities influence food quality.

Published
2003

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