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Reeve, Holly A. ; Nicholson, Jake ; Altaf, Farieha ; Lonsdale, Thomas H. ; Preissler, Janina ; Lauterbach, Lars ; Lenz, Oliver ; Leimkühler, Silke ; Hollmann, Frank ; Paul, Caroline E. ; Vincent, Kylie A.
We demonstrate a recycling system for synthetic nicotinamide cofactor analogues using a soluble hydrogenase with turnover number of >1000 for reduction of the cofactor analogues by H-2.
Coupling this system to an ene reductase, we show quantitative conversion of N-ethylmaleimide to N-ethylsuccinimide.
The biocatalyst system retained >50% activity after 7 h.
Tanski, George ; Bergstedt, Helena ; Bevington, Alexandre ; Bonnaventure, Philip ; Bouchard, Frederic ; Coch, Caroline ; Dumais, Simon ; Evgrafova, Alevtina ; Frauenfeld, Oliver W. ; Frederick, Jennifer ; Fritz, Michael ; Frolov, Denis ; Harder, Silvie ; Hartmeyer, Ingo ; Heslop, Joanne ; Hoegstroem, Elin ; Johansson, Margareta ; Kraev, Gleb ; Kuznetsova, Elena ; Lenz, Josefine ; Lupachev, Alexey ; Magnin, Florence ; Martens, Jannik ; Maslakov, Alexey ; Morgenstern, Anne ; Nieuwendam, Alexandre ; Oliva, Marc ; Radosavljevi, Boris ; Ramage, Justine Lucille ; Schneider, Andrea ; Stanilovskaya, Julia ; Strauss, Jens ; Trochim, Erin ; Vecellio, Daniel J. ; Weber, Samuel ; Lantuit, Hugues
A lasting legacy of the International Polar Year (IPY) 2007–2008 was the promotion of the Permafrost Young Researchers Network (PYRN), initially an IPY outreach and education activity by the International Permafrost Association (IPA). With the momentum of IPY, PYRN developed into a thriving network that still connects young permafrost scientists, engineers, and researchers from other disciplines. This research note summarises (1) PYRN’s development since 2005 and the IPY’s role, (2) the first 2015 PYRN census and survey results, and (3) PYRN’s future plans to improve international and interdisciplinary exchange between young researchers. The review concludes that PYRN is an established network within the polar research community that has continually developed since 2005. PYRN’s successful activities were largely fostered by IPY. With >200 of the 1200 registered members active and engaged, PYRN is capitalising on the availability of social media tools and rising to meet environmental challenges while maintaining its role as a successful network honouring the legacy of IPY.
Brodeur, Abel ; Mikola, Derek ; Cook, Nikolai ; Brailey, Thomas ; Briggs, Ryan ; Gendre, Alexandra de ; Dupraz, Yannick ; Fiala, Lenka ; Gabani, Jacopo ; Gauriot, Romain ; Haddad, Joanne ; Lima, Goncalo ; Ankel-Peters, Jörg ; Dreber, Anna ; Campbell, Douglas ; Kattan, Lamis ; Fages, Diego Marino ; Mierisch, Fabian ; Sun, Pu ; Wright, Taylor ; Connolly, Marie ; Hoces de la Guardia, Fernando ; Johannesson, Magnus ; Miguel, Edward ; Vilhuber, Lars ; Abarca, Alejandro ; Acharya, Mahesh ; Adjisse, Sossou Simplice ; Akhtar, Ahwaz ; Lizardi, Eduardo Alberto Ramirez ; Albrecht, Sabina ; Andersen, Synve Nygaard ; Andlib, Zubaria ; Arrora, Falak ; Ash, Thomas ; Bacher, Etienne ; Bachler, Sebastian ; Bacon, Félix ; Bagues, Manuel ; Balogh, Timea ; Batmanov, Alisher ; Barschkett, Mara ; Basdil, B. Kaan ; Dower, Jaromneda ; Castek, Ondrej ; Caviglia-Harris, Jill ; Strand, Gabriella Chauca ; Chen, Shi ; Chzhen, Asya ; Chung, Jong ; Collins, Jason ; Coppock, Alexander ; Cordeau, Hugo ; Couillard, Ben ; Crechet, Jonathan ; Crippa, Lorenzo ; Cui, Jeanne ; Czymara, Christian ; Daarstad, Haley ; Dao, Danh Chi ; Dao, Dong ; Schmandt, Marco David ; Linde, Astrid de ; Melo, Lucas De ; Deer, Lachlan ; Vera, Micole De ; Dimitrova, Velichka ; Dollbaum, Jan Fabian ; Dollbaum, Jan Matti ; Donnelly, Michael ; Huynh, Luu Duc Toan ; Dumbalska, Tsvetomira ; Duncan, Jamie ; Duong, Kiet Tuan ; Duprey, Thibaut ; Dworschak, Christoph ; Ellingsrud, Sigmund ; Elminejad, Ali ; Eissa, Yasmine ; Erhart, Andrea ; Etingin-Frati, Giulian ; Fatemi-Pour, Elaheh ; Federice, Alexa ; Feld, Jan ; Fenig, Guidon ; Firouzjaeiangalougah, Mojtaba ; Fleisje, Erlend ; Fortier-Chouinard, Alexandre ; Engel, Julia Francesca ; Fries, Tilman ; Fortier, Reid ; Fréchet, Nadjim ; Galipeau, Thomas ; Gallegos, Sebastián ; Gangji, Areez ; Gao, Xiaoying ; Garnache, Cloé ; Gáspár, Attila ; Gavrilova, Evelina ; Ghosh, Arijit ; Gibney, Garreth ; Gibson, Grant ; Godager, Geir ; Goff, Leonard ; Gong, Da ; González, Javier ; Gretton, Jeremy ; Griffa, Cristina ; Grigoryeva, Idaliya ; Grtting, Maja ; Guntermann, Eric ; Guo, Jiaqi ; Gugushvili, Alexi ; Habibnia, Hooman ; Häffner, Sonja ; Hall, Jonathan D. ; Hammar, Olle ; Kordt, Amund Hanson ; Hashimoto, Barry ; Hartley, Jonathan S. ; Hausladen, Carina I. ; Havránek, Tomáš ; Hazen, Jacob ; He, Harry ; Hepplewhite, Matthew ; Herrera-Rodriguez, Mario ; Heuer, Felix ; Heyes, Anthony ; Ho, Anson T. Y. ; Holmes, Jonathan ; Holzknecht, Armando ; Hsu, Yu-Hsiang Dexter ; Hu, Shiang-Hung ; Huang, Yu-Shiuan ; Huebener, Mathias ; Huber, Christoph ; Huynh, Kim P. ; Irsova, Zuzana ; Isler, Ozan ; Jakobsson, Niklas ; Frith, Michael James ; Jananji, Raphaël ; Jayalath, Tharaka A. ; Jetter, Michael ; John, Jenny ; Forshaw, Rachel Joy ; Juan, Felipe ; Kadriu, Valon ; Karim, Sunny ; Kelly, Edmund ; Dang, Duy Khanh Hoang ; Khushboo, Tazia ; Kim, Jin ; Kjellsson, Gustav ; Kjelsrud, Anders ; Kotsadam, Andreas ; Korpershoek, Jori ; Krashinsky, Lewis ; Kundu, Suranjana ; Kustov, Alexander ; Lalayev, Nurlan ; Langlois, Audrée ; Laufer, Jill ; Lee-Whiting, Blake ; Leibing, Andreas ; Lenz, Gabriel ; Levin, Joel ; Li, Peng ; Li, Tongzhe ; Lin, Yuchen ; Listo, Ariel ; Liu, Dan ; Lu, Xuewen ; Lukmanova, Elvina ; Luscombe, Alex ; Lusher, Lester R. ; Lyu, Ke ; Ma, Hai ; Mäder, Nicolas ; Makate, Clifton ; Malmberg, Alice ; Maitra, Adit ; Mandas, Marco ; Marcus, Jan ; Margaryan, Shushanik ; Márk, Lili ; Martignano, Andres ; Marsh, Abigail ; Masetto, Isabella ; McCanny, Anthony ; McManus, Emma ; McWay, Ryan ; Metson, Lennard ; Kinge, Jonas Minet ; Mishra, Sumit ; Mohnen, Myra ; Möller, Jakob ; Montambeault, Rosalie ; Montpetit, Sébastien ; Morin, Louis-Philippe ; Morris, Todd ; Moser, Scott ; Motoki, Fabio ; Muehlenbachs, Lucija ; Musulan, Andreea ; Musumeci, Marco ; Nabin, Munirul ; Nchare, Karim ; Neubauer, Florian ; Nguyen, Quan M. P. ; Nguyen, Tuan ; Nguyen-Tien, Viet ; Niazi, Ali ; Nikolaishvili, Giorgi ; Nordstrom, Ardyn ; Nü, Patrick ; Odermatt, Angela ; Olson, Matt ; ien, Henning ; Ölkers, Tim ; Vert, Miquel Oliver i. ; Oral, Emre ; Oswald, Christian ; Ousman, Ali ; Özak, Ömer ; Pandey, Shubham ; Pavlov, Alexandre ; Pelli, Martino ; Penheiro, Romeo ; Park, RyuGyung ; Martel, Eva Pérez ; Petrovičová, Tereza ; Phan, Linh ; Prettyman, Alexa ; Procházka, Jakub ; Putri, Aqila ; Quandt, Julian ; Qiu, Kangyu ; Nguyen, Loan Quynh Thi ; Rahman, Andaleeb ; Rea, Carson H. ; Reiremo, Adam ; Renée, Laëtitia ; Richardson, Joseph ; Rivers, Nicholas ; Rodrigues, Bruno ; Roelofs, William ; Roemer, Tobias ; Rogeberg, Ole ; Rose, Julian ; Roskos-Ewoldsen, Andrew ; Rosmer, Paul ; Sabada, Barbara ; Saberian, Soodeh ; Salamanca, Nicolas ; Sator, Georg ; Sawyer, Antoine ; Scates, Daniel ; Schlüter, Elmar ; Sells, Cameron ; Sen, Sharmi ; Sethi, Ritika ; Shcherbiak, Anna ; Sogaolu, Moyosore ; Soosalu, Matt ; Srensen, Erik ; Sovani, Manali ; Spencer, Noah ; Staubli, Stefan ; Stans, Renske ; Stewart, Anya ; Stips, Felix ; Stockley, Kieran ; Strobel, Stephenson ; Struby, Ethan ; Tang, John ; Tanrisever, Idil ; Yang, Thomas Tao ; Tastan, Ipek ; Tatić, Dejan ; Tatlow, Benjamin ; Seuyong, Féraud Tchuisseu ; Thériault, Rémi ; Thivierge, Vincent ; Tian, Wenjie ; Toma, Filip-Mihai ; Totarelli, Maddalena ; Tran, Van-Anh ; Truong, Hung ; Tsoy, Nikita ; Tuzcuoglu, Kerem ; Ubfal, Diego ; Villalobos, Laura ; Walterskirchen, Julian ; Wang, Joseph Taoyi ; Wattal, Vasudha ; Webb, Matthew D. ; Weber, Bryan ; Weisser, Reinhard ; Weng, Wei-Chien ; Westheide, Christian ; White, Kimberly ; Winter, Jacob ; Wochner, Timo ; Woerman, Matt ; Wong, Jared ; Woodard, Ritchie ; Wroński, Marcin ; Yazbeck, Myra ; Yang, Gustav Chung ; Yap, Luther ; Yassin, Kareman ; Ye, Hao ; Yoon, Jin Young ; Yurris, Chris ; Zahra, Tahreen ; Zaneva, Mirela ; Zayat, Aline ; Zhang, Jonathan ; Zhao, Ziwei ; Yaolang, Zhong
This study pushes our understanding of research reliability by reproducing and replicating claims from 110 papers in leading economic and political science journals. The analysis involves computational reproducibility checks and robustness assessments. It reveals several patterns. First, we uncover a high rate of fully computationally reproducible results (over 85%). Second, excluding minor issues like missing packages or broken pathways, we uncover coding errors for about 25% of studies, with some studies containing multiple errors. Third, we test the robustness of the results to 5,511 re-analyses. We find a robustness reproducibility of about 70%. Robustness reproducibility rates are relatively higher for re-analyses that introduce new data and lower for re-analyses that change the sample or the definition of the dependent variable. Fourth, 52% of re-analysis effect size estimates are smaller than the original published estimates and the average statistical significance of a re-analysis is 77% of the original. Lastly, we rely on six teams of researchers working independently to answer eight additional research questions on the determinants of robustness reproducibility. Most teams find a negative relationship between replicators' experience and reproducibility, while finding no relationship between reproducibility and the provision of intermediate or even raw data combined with the necessary cleaning codes.
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