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259 results on '"Li, J. -D."'

1. Extragalactic fast X-ray transient from a weak relativistic jet associated with a Type Ic-BL supernova

Author

Sun, H., Li, W. -X., Liu, L. -D., Gao, H., Wang, X. -F., Yuan, W., Zhang, B., Filippenko, A. V., Xu, D., An, T., Ai, S., Brink, T. G., Liu, Y., Liu, Y. -Q., Wang, C. -Y., Wu, Q. -Y., Wu, X. -F., Yang, Y., Zhang, B. -B., Zheng, W. -K., Ahumada, T., Dai, Z. -G., Delaunay, J., Elias-Rosa, N., Benetti, S., Fu, S. -Y., Howell, D. A., Huang, Y. -F., Kasliwal, M. M., Karambelkar, V., Stein, R., Lei, W. -H., Lian, T. -Y., Peng, Z. -K., Ridnaia, A. V., Svinkin, D. S., Wang, X. -Y., Wang, A. -L., Wei, D. -M., An, J., Andrews, M., Bai, J. -M, Dai, C. -Y., Ehgamberdiev, S. A., Fan, Z., Farah, J., Feng, H. -C., Fynbo, J. P. U., Guo, W. -J., Guo, Z., Hu, M. -K., Hu, J. -W., Jiang, S. -Q., Jin, J. -J., Li, A., Li, J. -D., Li, R. -Z., Liang, Y. -F., Ling, Z. -X., Liu, X., Mao, J. -R., McCully, C., Mirzaqulov, D., Newsome, M., Gonzalez, E. Padilla, Pan, X., Terreran, G., Tinyanont, S., Wang, B. -T., Wang, L. -Z., Wen, X. -D., Xiang, D. -F., Xue, S. -J., Yang, J., Zhu, Z. -P., Cai, Z. -M., Castro-Tirado, A. J., Chen, F. -S., Chen, H. -L., Chen, T. -X., Chen, W., Chen, Y. -H., Chen, Y. -F., Chen, Y., Cheng, H. -Q., Cordier, B., Cui, C. -Z., Cui, W. -W., Dai, Y. -F., Fan, D. -W., Feng, H., Guan, J., Han, D. -W., Hou, D. -J., Hu, H. -B., Huang, M. -H., Huo, J., Jia, S. -M., Jia, Z. -Q., Jiang, B. -W., Jin, C. -C., Jin, G., Kuulkers, E., Li, C. -K., Li, D. -Y., Li, J. -F., Li, L. -H., Li, M. -S., Li, W., Li, Z. -D., Liu, C. -Z, Liu, H. -Y., Liu, H. -Q., Liu, M. -J., Lu, F. -J., Luo, L. -D., Ma, J., Mao, X., Nandra, K., O'Brien, P., Pan, H. -W., Rau, A., Rea, N., Sanders, J., Song, L. -M., Sun, S. -L., Sun, X. -J., Tan, Y. -Y., Tang, Q. -J., Tao, Y. -H., Wang, H., Wang, J., Wang, L., Wang, W. -X., Wang, Y. -L., Wang, Y. -S., Xiong, D. -R., Xu, H. -T., Xu, J. -J., Xu, X. -P., Xu, Y. -F., Xu, Z., Xue, C. -B., Xue, Y. -L., Yan, A. -L., Yang, H. -N., Yang, X. -T., Yang, Y. -J., Zhang, C., Zhang, J., Zhang, M., Zhang, S. -N., Zhang, W. -D., Zhang, W. -J., Zhang, Y. -H., Zhang, Z., Zhang, Z. -L., Zhao, D. -H., Zhao, H. -S., Zhao, X. -F., Zhao, Z. -J., Zhou, Y. -L., Zhu, Y. -X., and Zhu, Z. -C.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

Massive stars end their life as core-collapse supernovae, amongst which some extremes are Type Ic broad-lined supernovae associated with long-duration gamma-ray bursts (LGRBs) having powerful relativistic jets. Their less-extreme brethren make unsuccessful jets that are choked inside the stars, appearing as X-ray flashes or low-luminosity GRBs. On the other hand, there exists a population of extragalactic fast X-ray transients (EFXTs) with timescales ranging from seconds to thousands of seconds, whose origins remain obscure. Known sources that contribute to the observed EFXT population include the softer analogs of LGRBs, shock breakouts of supernovae, or unsuccessful jets. Here, we report the discovery of the bright X-ray transient EP240414a detected by the Einstein Probe (EP), which is associated with the Type Ic supernova SN 2024gsa at a redshift of 0.401. The X-ray emission evolution is characterised by a very soft energy spectrum peaking at < 1.3 keV, which makes it distinct from known LGRBs, X-ray flashes, or low-luminosity GRBs. Follow-up observations at optical and radio bands revealed the existence of a weak relativistic jet that interacts with an extended shell surrounding the progenitor star. Located on the outskirts of a massive galaxy, this event reveals a new population of explosions of Wolf-Rayet stars characterised by a less powerful engine that drives a successful but weak jet, possibly owing to a progenitor star with a smaller core angular momentum than in traditional LGRB progenitors., Comment: 43 pages, 9 figures, 4 tables, submitted. Comments are welcome

Published
2024

2. Soft X-ray prompt emission from a high-redshift gamma-ray burst EP240315a

Author

Liu, Y., Sun, H., Xu, D., Svinkin, D. S., Delaunay, J., Tanvir, N. R., Gao, H., Zhang, C., Chen, Y., Wu, X. -F., Zhang, B., Yuan, W., An, J., Bruni, G., Frederiks, D. D., Ghirlanda, G., Hu, J. -W., Li, A., Li, C. -K., Li, J. -D., Malesani, D. B., Piro, L., Raman, G., Ricci, R., Troja, E., Vergani, S. D., Wu, Q. -Y., Yang, J., Zhang, B. -B., Zhu, Z. -P., Postigo, A. de Ugarte, Demin, A. G., Dobie, D., Fan, Z., Fu, S. -Y., Fynbo, J. P. U., Geng, J. -J., Gianfagna, G., Hu, Y. -D., Huang, Y. -F., Jiang, S. -Q., Jonker, P. G., Julakanti, Y., Kennea, J. A., Kokomov, A. A., Kuulkers, E., Lei, W. -H., Leung, J. K., Levan, A. J., Li, D. -Y., Li, Y., Littlefair, S. P., Liu, X., Lysenko, A. L., Ma, Y. -N., Martin-Carrillo, A., O'Brien, P., Parsotan, T., Quirola-Vasquez, J., Ridnaia, A. V., Ronchini, S., Rossi, A., Mata-Sanchez, D., Schneider, B., Shen, R. -F., Thakur, A. L., Tohuvavohu, A., Torres, M. A. P., Tsvetkova, A. E., Ulanov, M. V., Wei, J. -J., Xiao, D., Yin, Y. -H. I., Bai, M., Burwitz, V., Cai, Z. -M., Chen, F. -S., Chen, H. -L., Chen, T. -X., Chen, W., Chen, Y. -F., Chen, Y. -H., Cheng, H. -Q., Cui, C. -Z., Cui, W. -W., Dai, Y. -F., Dai, Z. -G., Eder, J., Fan, D. -W., Feldman, C., Feng, H., Feng, Z., Friedrich, P., Gao, X., Guan, J., Han, D. -W, Han, J., Hou, D. -J., Hu, H. -B., Hu, T., Huang, M. -H., Huo, J., Hutchinson, I., Ji, Z., Jia, S. -M., Jia, Z. -Q., Jiang, B. -W., Jin, C. -C., Jin, G., Jin, J. -J., Keereman, A., Lerman, H., Li, J. -F., Li, L. -H., Li, M. -S., Li, W., Li, Z. -D., Lian, T. -Y., Liang, E. -W., Ling, Z. -X., Liu, C. -Z., Liu, H. -Y., Liu, H. -Q., Liu, M. -J., Liu, Y. -R., Lu, F. -J., LU, H. -J., Luo, L. -D., Ma, F. L., Ma, J., Mao, J. -R., Mao, X., McHugh, M., Meidinger, N., Nandra, K., Osborne, J. P., Pan, H. -W., Pan, X., Ravasio, M. E., Rau, A., Rea, N., Rehman, U., Sanders, J., Santovincenzo, A., Song, L. -M., Su, J., Sun, L. -J., Sun, S. -L., Sun, X. -J., Tan, Y. -Y., Tang, Q. -J., Tao, Y. -H., Tong, J. -Z., Wang, H., Wang, J., Wang, L., Wang, W. -X., Wang, X. -F., Wang, X. -Y., Wang, Y. -L., Wang, Y. -S., Wei, D. -M., Willingale, R., Xiong, S. -L., Xu, H. -T., Xu, J. -J., Xu, X. -P., Xu, Y. -F., Xu, Z., Xue, C. -B., Xue, Y. -L., Yan, A. -L., Yang, F., Yang, H. -N., Yang, X. -T., Yang, Y. -J, Yu, Y. -W., Zhang, J., Zhang, M., Zhang, S. -N., Zhang, W. -D., Zhang, W. -J., Zhang, Y. -H., Zhang, Z., Zhang, Z. -L., Zhao, D. -H., Zhao, H. -S., Zhao, X. -F., Zhao, Z. -J., Zhou, L. -X., Zhou, Y. -L., Zhu, Y. -X., Zhu, Z. -C., and Zuo, X. -X.

Subjects
Astrophysics - High Energy Astrophysical Phenomena
Abstract

Long gamma-ray bursts (GRBs) are believed to originate from core collapse of massive stars. High-redshift GRBs can probe the star formation and reionization history of the early universe, but their detection remains rare. Here we report the detection of a GRB triggered in the 0.5--4 keV band by the Wide-field X-ray Telescope (WXT) on board the Einstein Probe (EP) mission, designated as EP240315a, whose bright peak was also detected by the Swift Burst Alert Telescope and Konus-Wind through off-line analyses. At a redshift of $z=4.859$, EP240315a showed a much longer and more complicated light curve in the soft X-ray band than in gamma-rays. Benefiting from a large field-of-view ($\sim$3600 deg$^2$) and a high sensitivity, EP-WXT captured the earlier engine activation and extended late engine activity through a continuous detection. With a peak X-ray flux at the faint end of previously known high-$z$ GRBs, the detection of EP240315a demonstrates the great potential for EP to study the early universe via GRBs., Comment: 41 pages, 8 figures, 7 tables

Published
2024

15. Clinical Features of Recurrence After Hepatic Resection for Early-stage Hepatocellular Carcinoma and Long-term Survival Outcomes of Patients with Recurrence - A Multi-institutional Analysis contained 1424 cases

Author

Yao, L.-Q., primary, Yang, T., additional, Wang, M.-D., additional, Li, C., additional, Liang, L., additional, Xing, H., additional, Wu, H., additional, Sun, L.-Y., additional, Quan, B., additional, Yan, W.-T., additional, Shen, F., additional, Wu, M.-C., additional, Lau, W.Y., additional, Pawlik, T.M., additional, Xu, X.-F., additional, Li, J.-D., additional, Shao, C.-H., additional, Diao, Y.-K., additional, Peng, Z., additional, Jia, H.-D., additional, Zhang, C.-W., additional, Zhu, J.Z., additional, Huang, D.-S., additional, Zhong, J.-H., additional, and Pu, J.-L., additional

Published
2022
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20. Poster abstracts

Author

Ferrie, J., Shipley, M., Cappuccio, F., Brunner, E., Miller, M., Kumari, M., Marmot, M., Coenen, A., Castillo, J. L., Araya, F., Bustamante, G., Montecino, L., Torres, C., Oporto, S., Gronli, J., Fiske, E., Murison, R., Bjorvatn, B., Sorensen, E., Ursin, R., Portas, C. M., Rajaraman, S., Gribok, A., Wesensten, N., Balkin, T., Reifman, J., Dursunoglu, N., Ozkurt, S., Baser, S., Delen, O., Sarikaya, S., Sadler, P., Mitchell, P., Françon, D., Decobert, M., Herve, B., Richard, A., Griebel, G., Avenet, P., Scatton, B., Fur, G. L., Eckert, D., Jordan, A., Wellman, A., Smith, S., Malhotra, A., White, D., Bruck, D., Thomas, I., Kritikos, A., Oertel, W., Stiasny-Kolster, K., Garcia-Borreguero, D., Poewe, W., Hoegl, B., Kohnen, R., Schollmayer, E., Keffel, J., Trenkwalder, C., Valle, A., Roizenblatt, S., Fregni, F., Boggio, P., Tufik, S., Ward, K., Robertson, L., Palmer, L., Eastwood, P., Hillman, D., Lee, J., Mukherjee, S., de Padova, V., Barbato, G., Ficca, G., Zilli, I., Salzarulo, P., Veldi, M., Hion, T., Vasar, V., Kull, M., Nowak, L., Davis, J., Latzer, Y., Tzischinsky, O., Crowley, S., Carskadon, M., Anca-Herschkovitsch, M., Frey, D., Ortega, J., Wiseman, C., Farley, C., Wright, K., Campbell, A., Neill, A., Spiegel, K., Leproult, R., Tasali, E., Scherberg, N., van Cauter, E., Noradina, A. T., Karim, N. A., Norlinah, I., Raymond, A. A., Sahathevan, R., Hamidon, B., Werth, E., Poryazova, R., Khatami, R., Bassetti, C., Beran, R. G., Ainley, L., Holand, G., Duncan, J., Kinney, H., Davis, B., Hood, B., Frey, S., Schmidt, C., Hofstetter, M., Peigneux, P., Cajochen, C., Hu, W.-P., Li, J.-D., Zhang, C., Boehmer, L., Siegel, J., Zhou, Q.-Y., Sagawa, Y., Kondo, H., Takemura, T., Kanayama, H., Kaneko, Y., Sato, M., Kanbayashi, T., Hishikawa, Y., Shimizu, T., Viola, A., James, L., Schlangen, L., Dijk, D.-J., Andretic, R., Kim, Y.-C., Han, K.-A., Jones, F., Greenspan, R., Sanford, L., Yang, L., Tang, X., Dieter, K., Uta, E., Sven, H., Richard, M., Oyane, N., Pallesen, S., Holsten, F., Inoue, Y., Fujita, M., Emura, N., Kuroda, K., Uchimura, N., Johnston, A., Astbury, J., Kennedy, G., Hoedlmoser, K., Schabus, M., Pecherstorfer, T., Moser, S., Gruber, G., Anderer, P., Klimesch, W., Naidoo, N., Ferber, M., Pack, A., Neu, D., Mairesse, O., Hoffmann, G., Dris, A., Lambrecht, L., Linkowski, P., Verbanck, P., Le Bon, O., Matsuura, N., Yamao, M., Adachi, N., Aritomi, R., Komada, Y., Tanaka, H., Shirakawa, S., Kondoh, H., Takemura, F., Ohnuma, S., Suzuki, M., Uemura, S., Iskra-Golec, I., Smith, L., Thanh, D.-V., Boly, M., Phillips, C., Steven, L., Luxen, A., Maquet, M., Jay, S., Dawson, D., Lamond, N., Basner, M., Fomberstein, K., Dinges, D., Ogawa, K., Nittono, H., Yamazaki, K., Hori, T., Glamann, C., Hornung, O., Hansen, M.-L, Danker-Hopfe, H., Jung, C., Kecklund, G., Anund, A., Peters, B., Åkerstedt, T., Verster, J., Roehrs, T., Mets, M., de Senerpont Domis, L., Olivier, B., Volkerts, E., Knutson, K., Lauderdale, D., Rathouz, P., Christie, M., Chen, L., Bolortuya, Y., Lee, E., Mckenna, J., Mccarley, R., Strecker, R., Tamaki, M., Matsuoka, T., Aritake, S., Suzuki, H., Kuriyama, K., Ozaki, A., Abe, Y., Enomoto, M., Tagaya, H., Mishima, K., Matsuura, M., Uchiyama, M., Lima-Pacheco, E., Davis, K., Sabourin, C., Lortie-Lussier, M., de Koninck, J., van Der Werf, Y., van Der Helm, E., Schoonheim, M., van Someren, E., Tokley, M., Ball, M., Sato, T., Ghilardi, M. F., Moisello, C., Bove, M., Busi, M., Pelosin, E., Tononi, G., Eguchi, N., Sakata, M., Urade, Y., Doe, N., Yoshihara, K., Abe, K., Manabe, Y., Iwatsuki, K., Hayashi, T., Shoji, M., Kamiya, T., Gooley, J., Brainard, G., Rajaratnam, S., Kronauer, R., Czeisler, C., Lockley, S., Phillips, A., Robinson, P., Burgess, H., Revell, V., Eastman, C., Bihari, S., Ramakrishnan, N., Camerino, D., Conway, P. M., Costa, G., Vandewalle, G., Albouy, G., Sterpenich, V., Darsaud, A., Rauchs, G., Berken, P.-Y, Balteau, E., Maquet, P., Tendero, J. A., Domenech, M. P., Isern, F. S., Martínez, C., Roure, N., Sancho, E. E., Moreno, C. R., Silva, M., Marqueze, E. C., Waage, S., Bobko, N., Chernyuk, V., Yavorskiy, Y., Saxvig, I., Sørensen, E., de Mello, M. T., Esteves, A., Teixeira, C., Bittencourt, L. R., Silva, R., Pires, M. L., Mottram, V., Middelton, B., Arendt, J., Amaral, O., Rodrigues, M., Pereira, C., Tavares, I., Baba, K., Honma, S., Honma, K.-I., Yamanaka, Y., Hashimoto, S., Tanahashi, Y., Nishide, S.-Y, Honma, K.-I, Sletten, T., Middleton, B., Lederle, K., Skene, D., Roth, T., Walsh, J., Hogben, A., Ellis, J., Archer, S., von Schantz, M., Chen, N.-H., Wang, P.-C., Chen, C.-W., Lin, Y., Shih, T.-S., Armstrong, S., Redman, J., Stephan, E., David, M., Delanaud, S., Chardon, K., Libert, J.-P., Bach, V., Telliez, F., Reid, K., Jaksa, A., Eisengart, J., Kane, P., Naylor, E., Zee, P., Viola, A. U., de Valck, E., Hofmans, J., Theuns, P., Cluydts, R., Alexander, G., Karel, M., Christina, R., Sohn, I.-K., Cho, I. H., Kim, S. J., Yu, S.-H., Kim, H., Yoo, S. Y., Koh, S.-H., Cho, S.-J., Rotenberg, L., Silva-Costa, A., Griep, R. H., Amely, T., Kennedy, G. A., Pavlis, A., Thompson, B., Pierce, R., Howard, M., Briellmann, R., Venkateswaran, S., Blunden, S., Krawczyk, E., Blake, J., Gururajan, R., Kerr, D., Matuisi, T., Iwasaki, M., Yamasita, N., Iemura, A., Ohya, T., Yanagawa, T., Misa, R., Coleman, G., Conduit, R., Duce, B., Hukins, C., Nyandaiti, Y. W., Bamaki, S., Mohammed, A., Kwajarfa, S., Veeramachaneni, S. P., Murthy, A., Wilson, A., Maul, J., Hall, G., Stick, S., Moseley, L., Gradisar, M., Kurihara, T., Yamamoto, M., Yamamoto, S., Kuranari, M., Sparks, C. B., Bartle, A., Beckert, L., Latham-Smith, F. B., Hilton, J., Whitehead, B., Gulliver, T., Salvini, A., Grahame, S., Swift, M., Laybutt, N., Sharon, D., Mack, C., Hymell, B., Perrine, B., Ideshita, K., Taira, M., Matuo, A., Furutani, M., van Dongen, H., Mott, C., Huang, J.-K., Mollicone, D. J., Mckenzie, F., Dinges, David, Barnes, M., Rochford, P., Churchward, T., O’Donoghue, F., Penzel, T., Fietze, I., Canisius, S., Bekiaris, E., Terrill, P. I., Wilson, S., Suresh, S., Cooper, D., Suzuki, T., Ouchi, K., Moriya, A., Kameyama, K., Takahashi, M., Büttner, A., Rühle, K.-H., Wang, D., Wong, K., Dungan, II, G., Grunstein, R., Davidson, P., Jones, R., Gergely, V., Mashima, K., Miyazaki, S., Tanaka, T., Okawa, M., Yamada, N., Wyner, A., Raizen, D., Galante, R., Ng, A. K., Koh, T. S., Lim, L. L., Puvanendran, K., Peiris, M., Bones, P., Roebuck, T., Ho, S., Szollosi, I., Naughton, M., Williams, G., Parsley, C., Harris, M.-A., Thornton, A., Ruehland, W., Banks, S., Arroyo, S., Carroll, K., Pilmore, J., Stewart, C., Hamilton, G., van Acker, F., Cvetkovic, D., Holland, G., Cosic, I., Tolson, J., Worsnop, C., Cresswell, P., Hart, I., Bouarab, M., Delechelle, E., Drouot, X., Acebo, C., Singh, P., Lakey, T., Schachter, L., Rand, J., Collin, H., Snyder, E., Ma, J., Svetnick, V., Deacon, S., Dana, B., Konstanze, D., Uwe, M., Ingo, F., Thomas, P., Ivar, R., Mackiewicz, M., Shockley, K., Romer, M., Zimmerman, J., Baldwin, D., Jensen, S., Churchill, G., Paigen, B., Imeri, L., Ferrari, L., Bianchi, S., Dossena, S., Garofoli, A., Mangieri, M., Tagliavini, F., Forloni, G., Chiesa, R., Pedrazzoli, M., Pereira, D., Veauny, M., Bodenmann, S., Hohoff, C., Freitag, C., Deckert, J., Rétey, J., Landolt, H.-P., Strohl, K., Price, E., Yamauchi, M., Dostal, J., Feng, P., Han, F., Havekes, R., Novati, A., Hagewoud, R., Barf, P., van Der Borght, K., van Der Zee, E., Meerlo, P., Ruby, P., Caclin, A., Boulet, S., Delpuech, C., Morlet, D., Veasey, S., Aton, S., Jha, S., Coleman, T., Seibt, J., Frank, M., Lack, L., Churches, O., Feng, S. Y. S., Cassaglia, P., Yu, V. Y. H., Walker, A. M., Kohler, M., Kennedy, D., Martin, J., van Den Heuvel, C., Lushington, K., Herron, K., Khurana, C., Sterr, A., Olivadoti, M., Toth, L., Opp, M., Dang-Vu, T., Degueldre, C., Gais, S., Dang-Vu, T. T., Desseilles, M., Philips, C., Chijavadze, E., Babilodze, M., Chkhartishvili, E., Nachkebia, N., Mchedlidze, O., Dzadzamia, S., Griffiths, R., Walker, A., Horovitz, S., Fukunaga, M., Carr, W., Picchioni, D., de Zwart, J., van Gelderen, P., Braun, A., Duyn, J., Hanlon, E. H., Faraguna, U., Vyazovskiy, V., Cirelli, C., Ocampo-Garcés, A., Ibáñez, F., López, S., Vivaldi, E., Torrealba, F., Romanowski, C. P. N., Fenzl, T., Flachskamm, C., Deussing, J., Kimura, M., Tarokh, L., van Reen, E., Dorn, H., Velluti, R., Qu, W.-M., Huang, Z.-L., Hayaishi, O., Pedemonte, M., Drexler, D., Pol-Fernández, D., Bernhardt, V., Lopez, C., Rodriguez-Servetti, Z., Romanowski, C., Polta, S., Yassouridis, A., Abe, T., Takahashi, K., Koyama, Y., Kayama, Y., Lin, J.-S., Sakai, K., Gulia, K., Karashima, A., Shimazaki, M., Katayama, N., Nakao, M., Winsky-Sommerer, R., Knapman, A., Tobler, I., Altena, E., Sanz-Arigita, E., Chang, F.-C., Lu, C.-Y., Yi, P.-L., Hsiao, Y.-Z., Lowden, A., Nilsson, J., Hillert, L., Wiholm, C., Kuster, N., Arnetz, B., Szameitat, A., Shen, S., Daurat, A., Tiberge, M., Sok, N., D’Ortho, M. P. I. A., Karasinsky, P., Kohlmeier, K., Wess, J., Leonard, C., Kristensen, M., Kalinchuk, A., Porkka-Heiskanen, T., Mccarley, R. W., Basheer, R., Aizawa, R., Sunahara, H., Abe, S.-I., Iwaki, S., Houjyou, M., Satoh, M., Suda, H., Kheirandish-Gozal, L., Gozal, D., Walker, P., Noa, A., O’Driscoll, D., Ng, M., Yang, J., Davey, M., Anderson, V., Trinder, J., Horne, R., Sands, S., Kelly, V., Sia, K., Edwards, B., Skuza, E., Davidson, M., Berger, P. H. I. L. I. P., Wilkinson, M., Sánchez-Narváez, F., Gutiérrez, R., Camacho, L., Anaya, E., García-Campos, E., Labra, A., Domínguez, G., García-Polo, L., Haro, R., Verginis, N., Nixon, G., Baumert, M., Pamula, Y., Mihai, R., Wawurszak, M., Smith, N., Yiallourou, S., Andrew Ramsden, C., Williamson, B., Blecher, G., Teng, A., Dakin, C. Y. N., Yuil, M., Harris, M., Sadasivam, S., Bennison, J., Galland, B., Dawes, P., Taylor, B., Norman, M., Edwards, N., Harrison, H., Kol, C., Sullivan, C., Valladares, E., Macey, P., Kumar, R., Woo, M., Harper, R., Alger, J., Mcnamara, D., Tang, J., Goh, A., Teoh, O. H., Chiang, W. C., Chay, O. M., Marie Salvini, A., Riben, C., Blanck, A.-S., Marklund, M., Tourneux, P., Cardot, V., Leke, A., Iqbal, S. M., (Gus) Cooper, D., Witmans, M., Rodger, K., Thevasagayam, R., El-Hakim, H., Hill, C. M., Baya, A., Bucks, R., Kirkham, F., Virues-Ortega, J., Baldeweg, T., Paul, A., Hogan, A., Goodwin, J., Silva, G., Kaemingk, K., Sherrill, D., Morgan, W., Fregosi, R., Quan, S., Evans, C., Maclean, J., Waters, K., Fitzsimmons, D., Hayward, P., Fitzgerald, D., Terrill, G., O’Connell, A., Vannan, K., Richardson, H., Poluektov, M., Levin, I., Snegodskaya, M., Kolosova, N., Geppe, N., Nixon, G. 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Y., Serber, S. T. A. C. Y., Valladares, E. D. W. I. N., Harper, R. E. B. E. C. C. A., Harper, R. O. N. A. L. D., Puttonen, S., Härmä, M., Vahtera, J., Kivimäki, M., Lamarche, L., Hemmeter, U. M., Thum, A., Rocamora, R., Giesler, M., Haag, A., Dodel, R., Krieg, J. C., Shechter, A., L’Esperance, P., Boivin, D. B., Vu, M.-T., and Richards, H.

Published
2007
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26. Membrane associated collagen XIII promotes cancer metastasis and enhances anoikis resistance

Author

Zhang, H. (Hui), Fredericks, T. (Tricia), Xiong, G. (Gaofeng), Qi, Y. (Yifei), Rychahou, P. G. (Piotr G.), Li, J.-D. (Jia-Da), Pihlajaniemi, T. (Taina), Xu, W. (Wei), Xu, R. (Ren), Zhang, H. (Hui), Fredericks, T. (Tricia), Xiong, G. (Gaofeng), Qi, Y. (Yifei), Rychahou, P. G. (Piotr G.), Li, J.-D. (Jia-Da), Pihlajaniemi, T. (Taina), Xu, W. (Wei), and Xu, R. (Ren)

Abstract

Background: Increased collagen expression and deposition are associated with cancer progression and poor prognosis in breast cancer patients. However, function and regulation of membrane-associated collagen in breast cancer have not been determined. Collagen XIII is a type II transmembrane protein within the collagen superfamily. Experiments in tissue culture and knockout mouse models show that collagen XIII is involved in cell adhesion and differentiation of certain cell types. In the present study, we determined roles of collagen XIII in breast cancer progression and metastasis. Methods: We analyzed the association of collagen XIII expression with breast cancer development and metastasis using published gene expression profiles generated from human breast cancer tissues. Utilizing gain- and loss- of function approaches and 3D culture assays, we investigated roles of collagen XIII in regulating invasive tumor growth. Using the tumorsphere/mammosphere formation assay and the detachment cell culture assay, we determined whether collagen XIII enhances cancer cell stemness and induces anoikis resistance. We also inhibited collagen XIII signaling with β1 integrin function-blocking antibody. Finally, using the lung colonization assay and the orthotopic mammary tumor model, we investigated roles of collagen XIII in regulating breast cancer colonization and metastasis. Cox proportional hazard (log-rank) test, two-sided Student’s t-test (two groups) and one-way ANOVA (three or more groups) analyses were used in this study. Results: Collagen XIII expression is significantly higher in human breast cancer tissue compared with normal mammary gland. Increased collagen XIII mRNA levels in breast cancer tissue correlated with short distant recurrence free survival. We showed that collagen XIII expression promoted invasive tumor growth in 3D culture, enhanced cancer cell stemness, and induced anoikis resistance. Collagen XIII expression induced β1 integrin activation. Bloc

Published
2018

29. Connector-based approach to assembly planning using a genetic algorithm.

Author

Tseng, H.-E., Li, J.-D., and Chang, Y.-H.

Subjects
ASSEMBLY line methods, GENETIC algorithms, STRATEGIC planning, PRODUCT design, HEURISTIC, INDUSTRIAL costs
Abstract

Assembly planning refers to the task where planners arrange a specific assembly sequence according to the product design description as well as to their particular heuristics in putting together all the components of a product. In assembly planning, one needs to take into consideration the relationships between components such as the geometric limitation factor before the precedence sequence is set up for assembly. This deliberation will contribute strongly to lower the production cost. Unlike traditional studies where the liaison graph goes with a genetic algorithm, an attempt is made to solve problems in assembly planning by using a genetic algorithm under the connector-based environment. Such a connector-based genetic algorithm takes a more realistic view. The key point in this approach to assembly planning is to combine the connector concept and characteristics of a genetic algorithm using object-oriented programming; thus, the programming language C++ is used to develop the mechanism of the algorithm. Finally, a stapler and a computer hard disk were used as practical examples to illustrate the possibility of such an idea. Consequently, in terms of assembly planning, it is feasible to create a genetic algorithm based on the connector's engineering features. [ABSTRACT FROM AUTHOR]

Published
2004
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32. JMJD3 enhances invasiveness and migratory capacity of non-small cell lung cancer cell via activating EMT signaling pathway.

Author

ZHANG, Y., HUA, P.-Y., JIN, C.-Y., LI, J.-D., ZHANG, G.-X., and WANG, B.

Abstract

OBJECTIVE: This study aimed to explore the expression of JMJD3 in non-small cell lung cancer (NSCLC) and to further study its association with clinical features and prognosis of patients. PATIENTS AND METHODS: Quantitative Real Time-Polymerase Chain Reaction (qRT-PCR) was performed to examine the level of JMJD3 in 46 pairs of NSCLC tissues and para-cancerous specimens. The relationship between JMJD3 level and clinical features of NSCLC and patients’ prognosis was analyzed. And JMJD3 expression in NSCLC cells was further verified by qRT-PCR. In addition, JMJD3 knockdown model was constructed using siRNA in cell lines including A549 and SPC-A1, and the effect of JMJD3 on the biological function of NSCLC cells was analyzed by cell counting kit-8 (CCK-8) and transwell migration and invasive-ness assays. Lastly, Western blot was performed to explore the potential mechanism. RESULTS: In this investigation, qRT-PCR results indicated that JMJD3 expression in above-mentioned tumor tissues was conspicuously higher than that in normal tissues. In addition, compared with patients with low level of JMJD3, patients with high level of JMJD3 had a higher incidence of lymphatic metastasis and distant metastasis and a lower overall survival rate. Meanwhile, the proliferation, invasiveness and migratory capacity of cells in the sh-JMJD3 group was conspicuously decreased when compared with the cells in negative control group. Western Blot results indicated that the levels of key proteins in EMT signaling pathway such as E-cadherin, N-cadherin, Vimentin, TGF-β, and MMP-9 were notably decreased in sh-JMJD3 group. Besides, the addition of TGF-β cytokines synergistically promoted the malignant progression of NSCLC induced by JMJD3. CONCLUSIONS: JMJD3 expression was found conspicuously increased in NSCLC, which might be close relevant to NSCLC lymphatic or distant metastasis as well as patients’ poor prognosis. Therefore, we speculated that JMJD3 could promote invasiveness and migratory capacity of non-small cell lung cancer cells by activating EMT process. [ABSTRACT FROM AUTHOR]

Published
2019

33. STUDY ON THE PROCESS OF PREPARING Al-Ce ALLOY BY ELECTRODEPOSITION.

Author

LI, J. D., REN, H., GONG, Z., WANG, K., WANG, Y. Y., LU, J. L., and LI, J.

Subjects
*ALLOYS, *ELECTROPLATING, *ELECTRIC currents, *CURRENT density (Electromagnetism), *TEMPERATURE
Abstract

The process of Al-Ce alloy prepared by electrodeposition was studied in molten LiF-KCl-CeF3 salt at 820 °C. Several process parameters such as back electromotive force and current efficiency were measured by continuous pulse oscillograph. The results showed that the back electromotive force increased with the increase of the current intensity. With the addition of 2 wt.%Ce2O3, the back electromotive force decreased by 0,26 V on average, and increasing temperature could make the back electromotive force decrease as well. The back electromotive force changing period with feeding measured was 50 min. Finally, at 820 °C, the largest current efficiency (68.8%) was obtained by electrolyzing for 2 h at 4 A. [ABSTRACT FROM AUTHOR]

Published
2019

34. Preferential amplification of rising versus falling frequency whistler mode signals

Author

İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Harid, V.; Spasojevic, M.; Golkowski, M., College of Engineering, Department of Electrical and Electronics Engineering, İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Harid, V.; Spasojevic, M.; Golkowski, M., College of Engineering, and Department of Electrical and Electronics Engineering

Abstract

Analysis of ground-based ELF/VLF observations of injected whistler mode waves from the 1986 Siple Station experiment demonstrates the preferential magnetospheric amplification of rising over descending frequency-time ramps. From examining conjugate region receptions of 1 kHz/s frequency-time ramps, we find that rising ramps generate an average total power 1.9 times higher than that of falling frequency ramps when both are observed during a transmission. And in 17% of receptions, only rising ramps are observed above the noise floor. Furthermore, the amplification ratio inversely correlates with the noise and total signal power. Using a narrowband Vlasov-Maxwell numerical simulation, we explore the preferential amplification due to differences in linear growth rate as a function of frequency, relative to the frequency which maximizes the linear growth rate for a given anisotropy, and in nonlinear phase trapping. These results contribute to the understanding of magnetospheric wave amplification and the preference for structured rising elements in chorus., AFRL; NSF Career

Published
2015

35. Predicting conditions for the reception of one-hop signals from the Siple transmitter experiment using the Kp index

Author

İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Spasojevic, M., College of Engineering, Department of Electrical and Electronics Engineering, İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Spasojevic, M., College of Engineering, and Department of Electrical and Electronics Engineering

Abstract

Wave injection experiments provide an opportunity to explore and quantify aspects of nonlinear wave-particle phenomena in a controlled manner. Waves are injected into space from ground-based ELF/VLF transmitters, and the modified waves are measured by radio receivers on the ground in the conjugate hemisphere. These experiments are expensive and challenging projects to build and to operate, and the transmitted waves are not always detected in the conjugate region. Even the powerful transmitter located at Siple Station, Antarctica in 1986, estimated to radiate over 1kW, only reported a reception rate of approximate to 40%, indicating that a significant number of transmissions served no observable scientific purpose and reflecting the difficulty in determining suitable conditions for transmission and reception. Leveraging modern machine-learning classification techniques, we apply two statistical techniques, a Bayes and a support vector machine classifier, to predict the occurrence of detectable one-hop transmissions from Siple data with accuracies on the order of 80%-90%. Applying these classifiers to our 1986 Siple data set, we detect 406 receptions of Siple transmissions which we analyze to generate more robust statistics on nonlinear growth rates, 3dB/s-270dB/s, and nonlinear total amplification, 3dB-41dB., AFRL

Published
2015

36. An empirical profile of VLF triggered emissions

Author

İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Spasojevic, M., College of Engineering, Department of Electrical and Electronics Engineering, İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Spasojevic, M., College of Engineering, and Department of Electrical and Electronics Engineering

Abstract

The Siple Transmitter Experiment operated from 1973 to 1988 and generated a wealth of observations of nonlinear wave-particle interactions including extensive recordings of triggered emissions generated by VLF signals injected into the magnetosphere from the transmitter at Siple Station, Antarctica. Due to their complex appearance and immensely varied behavior, triggered emissions remain poorly described and understood. This work provides a comprehensive statistical description of observed triggered emissions and establishes statistical bounds on triggered emission type (fallers, risers, and positive and negative hooks) and behavior (frequency changes between 1kHz and 2.5kHz with initial sweep rates between -2.5kHz/s and 2.5kHz/s, with risers undergoing a median frequency change of 556Hz and fallers a median frequency change of -198Hz). The statistical study also reveals an apparent dependence of the triggered emission behavior on the transmitted signal itself. Long tones and rising ramps generate more risers and positive hooks, while short tones and falling ramps produce more fallers and negative hooks. Triggered emissions also appear to favorably initiate with sweep rates similar to that of the triggering element, with the 1kHz/s rising ramps triggering initial risers with a median sweep rate of 1.03kHz/s and -1kHz/s triggering initial fallers with a median sweep rate of -0.73kHz/s. These results improve observations of wave modification resulting from wave-particle interactions in the radiation belts and can be used to validate numerical simulations of triggered emissions., AFRL

Published
2015

38. Mechanism of vasoactive peptide intermedin in vascular collagen remodeling during angiotensin II-induced hypertention.

Author

LI, J.-D., AN, W.-S., XU, Y., ZHAO, X.-X., LI, Z.-F., MU, Y., and JING, L.-S.

Abstract

OBJECTIVE: Renin-angiotensin axis plays a pivotal role in the cardiovascular system, and Angiotensin II (Ang II) is of great importance in the progression of hypertension. Vasoactive peptide intermedin (IMD) belongs to calcitonin gene-related peptide (CGRP) family, which is involved in the regulation of the cardiovascular function. This study aims to determine the effect of vasoactive peptide intermedin on vascular collagen remodeling caused by angiotensin II-induced hypertension. MATERIALS AND METHODS: 12-week old rats were randomly assigned into three groups, and each group consisted of 12 rats. Rats were administered with Ang II or Ang II+IMD, respectively. Control group received saline administration. Blood pressure of caudal artery was examined two weeks after administration. Serum procollagen I and III were detected by enzyme-linked immunosorbent assay (ELISA). The vascular microstructure was examined via hematoxylin-eosin (HE) staining to evaluate vascular collagen remodeling. Expressions of protein kinase B (Akt) and mitogen-activated protein kinase (MAPK) were tested by using Western-blot and RT-PCR. RESULTS: Compared with the control group (92.2±9.1 mmHg), blood pressure of group Ang II was increased by 88% (173.1±11.2 mmHg) (p<0.01). Moreover, blood pressure level in group Ang II+IMD (131.0±10.9 mmHg) was reduced compared to that in group Ang II (p<0.05). Compared with that in control group, higher level of serum procollagen, with significantly increasing vascular W/C ratio and collagen area percentage, was found in group Ang II, while all testing indexes above in group Ang II+IMD were lower than that in group Ang II. No differences were detected in the levels of Akt and MAPK mRNA among all three groups. However, highest expressions of phosphorylation Akt and MAPK protein were shown in group Ang II, and the levels were gradually lower in groups of Ang II+IMD and control. CONCLUSIONS: IMD could attenuate the vascular collagen remodeling caused by angiotensin II-induced hypertension via inhibiting phosphorylation of Akt and MAPK. [ABSTRACT FROM AUTHOR]

Published
2018

45. Finite difference modeling of coherent wave amplification in the Earth's radiation belts

Author

İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Harid, V.; Golkowski, M.; Bell, T.; Li, J. D., College of Engineering, Department of Electrical and Electronics Engineering, İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Harid, V.; Golkowski, M.; Bell, T.; Li, J. D., College of Engineering, and Department of Electrical and Electronics Engineering

Abstract

Modeling of gyroresonant wave-particle interactions in the radiation belts requires solving the Vlasov-Maxwell system of equations in an inhomogenous background geomagnetic field. Previous works have employed particle-in-cell methods or Eulerian solvers (such as the Vlasov Hybrid Simulation code) to provide numerical solutions to the problem. In this report, we provide an alternative numerical approach by utilizing a first order finite difference upwind scheme. When coupled to the narrowband Maxwell's equations, the model reproduces linear as well as nonlinear wave growth of coherent signals. Wave growth is nonlinear growth when the wave amplitude exceeds the minimum value for phase trapping of counterstreaming particles and is linear otherwise. The model also demonstrates free-running frequency variation for a case with a high linear growth rate. In addition, the model confirms the theoretical prediction of a stable phase-space hole during the nonlinear growth process. The plasma parameters and L shell used in this study are typical of those associated with the Siple Station wave injection experiment., AFRL Award; NSF CAREER Award

Published
2014

46. Analysis of magnetospheric ELF/VLF wave amplification from the Siple Transmitter experiment

Author

İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Spasojevic, M.; Harid, V.; Cohen, M. B.; Golkowski, M., College of Engineering, Department of Electrical and Electronics Engineering, İnan, Umran Savaş (ORCID 0000-0001-5837-5807 & YÖK ID 177880), Li, J. D.; Spasojevic, M.; Harid, V.; Cohen, M. B.; Golkowski, M., College of Engineering, and Department of Electrical and Electronics Engineering

Abstract

Controlled experiments with dedicated ground-based ELF/VLF (0.3-30 kHz) transmitters are invaluable in investigating nonlinear whistler mode wave-particle interactions in the Earth's magnetosphere. The most productive such experiment operated between 1973 and 1988 near L = 4 at Siple Station, Antarctica. A major effort has been undertaken to digitize and preserve a significant portion of the historical data set from the original magnetic tapes, and we describe here the data set and the processing techniques used to remove artifacts introduced during recording and playback. We analyze a commonly transmitted diagnostic format from 1986 and present statistics on the occurrence and properties of amplified ELF/VLF waves received by a ground-based receiver at the geomagnetic conjugate location to Siple at Lake Mistissini, Quebec. For the interval examined, only 11% of Siple transmissions are successfully received in the conjugate hemisphere with quiet geomagnetic conditions being significantly more conducive to successful reception. The total growth for the events examined is estimated to be 5-40 dB, and nonlinear growth rates are in the range of 20-350 dB/s. The observations show that as the nonlinear growth rate increases, the duration of nonlinear growth decreases. Significant linear correlation is found between the noise floor and the saturation level, with higher noise floors resulting from increases in natural magnetospheric emissions. Finally, we find a lack of correlation between the nonlinear growth rate and the noise, threshold, and saturation levels., AFRL

Published
2014

48. SIMULATION OF SOYBEAN CANOPY NUTRIENT CONTENTS BY HYPERSPECTRAL REMOTE SENSING.

Author

GUO, R., ZHAO, M. Z., YANG, Z. X., WANG, G. J., YIN, H., and LI, J. D.

Subjects
SOYBEAN, PLANT canopies, PLANT nutrients, REMOTE-sensing images, FERTILIZERS
Abstract

Precision fertilizer management could help reduce farming costs and maintain production sustainability in current cropping systems. Soybean is a major oil crop and to improve temporal and spatial fertilizer application to demand variations, soybean canopy nutrient status was diagnosed by the hyperspectral remote sensing techonology. First, field canopy spectral reflectance was characterized during key developmental stages with three levels of fertilizer treatments in northeastern China. Then, foliar nitrogen (N), phosphorus (P) and potassium (K) contents were quantified and analyzed for correlation with transformed spectral data formats including reciprocal, logarithm and derivatives, red edge parameters and vegetation index. Last, simulation models for soybean canopy nutrient status (total N, P and K) were constructed. The simulation model (y= -19.153x+3.1114) using second derivatives of spectral data at 432 nm was proved to significantly correlate the predicted value with measured total N content (r=-0.7829, p<0.01; RE=0.1713). The first derivative-derived models y=-0.2939x+0.5889(r=- 0.6172, p<0.01; RE=0.2428) at 909 nm and y=-0.4157x+1.874(r=-0.5631, p<0.01; RE=0.1345) at 908 nm produced most accurate prediction for total P and K respectively. Models reported in this work were top selections for the simplicity and practicality in predicting soybean nutrient and growth status. [ABSTRACT FROM AUTHOR]

Published
2017
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