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Global airborne sampling reveals a previously unobserved dimethyl sulfide oxidation mechanism in the marine atmosphere 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (9) : 4505-4510
作者:  Veres, Patrick R.;  Neuman, J. Andrew;  Bertram, Timothy H.;  Assaf, Emmanuel;  Wolfe, Glenn M.;  Williamson, Christina J.;  Weinzierl, Bernadett;  Tilmes, Simone;  Thompson, Chelsea R.;  Thames, Alexander B.;  Schroder, Jason C.;  Saiz-Lopez, Alfonso;  Rollins, Andrew W.;  Roberts, James M.;  Price, Derek;  Peischl, Jeff;  Nault, Benjamin A.;  Moller, Kristian H.;  Miller, David O.;  Meinardi, Simone;  Li, Qinyi;  Lamarque, Jean-Francois;  Kupc, Agnieszka;  Kjaergaard, Henrik G.;  Kinnison, Douglas;  Jimenez, Jose L.;  Jernigan, Christopher M.;  Hornbrook, Rebecca S.;  Hills, Alan;  Dollner, Maximilian;  Day, Douglas A.;  Cuevas, Carlos A.;  Campuzano-Jost, Pedro;  Burkholder, James;  Bui, T. Paul;  Brune, William H.;  Brown, Steven S.;  Brock, Charles A.;  Bourgeois, Ilann;  Blake, Donald R.;  Apel, Eric C.;  Ryerson, Thomas B.
收藏  |  浏览/下载：21/0  |  提交时间：2020/05/13
dimethyl sulfide  marine sulfur  autoxidation  marine aerosols  aerosol sulfate  
A lysosomal switch triggers proteostasis renewal in the immortal C. elegans germ lineage (vol 551, pg 629, 2017) 期刊论文
NATURE, 2020, 580 (7802) : E5-E5
作者:  Lu, Zhihao;  Zou, Jianling;  Li, Shuang;  Topper, Michael J.;  Tao, Yong;  Zhang, Hao;  Jiao, Xi;  Xie, Wenbing;  Kong, Xiangqian;  Vaz, Michelle;  Li, Huili;  Cai, Yi;  Xia, Limin;  Huang, Peng;  Rodgers, Kristen;  Lee, Beverly;  Riemer, Joanne B.;  Day, Chi-Ping;  Yen, Ray-Whay Chiu;  Cui, Ying;  Wang, Yujiao;  Wang, Yanni;  Zhang, Weiqiang;  Easwaran, Hariharan;  Hulbert, Alicia;  Kim, KiBem;  Juergens, Rosalyn A.;  Yang, Stephen C.;  Battafarano, Richard J.;  Bush, Errol L.;  Broderick, Stephen R.;  Cattaneo, Stephen M.;  Brahmer, Julie R.;  Rudin, Charles M.;  Wrangle, John;  Mei, Yuping;  Kim, Young J.;  Zhang, Bin;  Wang, Ken Kang-Hsin;  Forde, Patrick M.;  Margolick, Joseph B.;  Nelkin, Barry D.;  Zahnow, Cynthia A.;  Pardoll, Drew M.;  Housseau, Franck;  Baylin, Stephen B.;  Shen, Lin;  Brock, Malcolm V.
收藏  |  浏览/下载：26/0  |  提交时间：2020/07/03
Nightside condensation of iron in an ultrahot giant exoplanet 期刊论文
NATURE, 2020, 580 (7805) : 597-+
作者:  Lu, Zhihao;  Zou, Jianling;  Li, Shuang;  Topper, Michael J.;  Tao, Yong;  Zhang, Hao;  Jiao, Xi;  Xie, Wenbing;  Kong, Xiangqian;  Vaz, Michelle;  Li, Huili;  Cai, Yi;  Xia, Limin;  Huang, Peng;  Rodgers, Kristen;  Lee, Beverly;  Riemer, Joanne B.;  Day, Chi-Ping;  Yen, Ray-Whay Chiu;  Cui, Ying;  Wang, Yujiao;  Wang, Yanni;  Zhang, Weiqiang;  Easwaran, Hariharan;  Hulbert, Alicia;  Kim, KiBem;  Juergens, Rosalyn A.;  Yang, Stephen C.;  Battafarano, Richard J.;  Bush, Errol L.;  Broderick, Stephen R.;  Cattaneo, Stephen M.;  Brahmer, Julie R.;  Rudin, Charles M.;  Wrangle, John;  Mei, Yuping;  Kim, Young J.;  Zhang, Bin;  Wang, Ken Kang-Hsin;  Forde, Patrick M.;  Margolick, Joseph B.;  Nelkin, Barry D.;  Zahnow, Cynthia A.;  Pardoll, Drew M.;  Housseau, Franck;  Baylin, Stephen B.;  Shen, Lin;  Brock, Malcolm V.
收藏  |  浏览/下载：57/0  |  提交时间：2020/07/03

Ultrahot giant exoplanets receive thousands of times Earth'  s insolation(1,2). Their high-temperature atmospheres (greater than 2,000 kelvin) are ideal laboratories for studying extreme planetary climates and chemistry(3-5). Daysides are predicted to be cloud-free, dominated by atomic species(6) and much hotter than nightsides(5,7,8). Atoms are expected to recombine into molecules over the nightside(9), resulting in different day and night chemistries. Although metallic elements and a large temperature contrast have been observed(10-14), no chemical gradient has been measured across the surface of such an exoplanet. Different atmospheric chemistry between the day-to-night ('  evening'  ) and night-to-day ('  morning'  ) terminators could, however, be revealed as an asymmetric absorption signature during transit(4,7,15). Here we report the detection of an asymmetric atmospheric signature in the ultrahot exoplanet WASP-76b. We spectrally and temporally resolve this signature using a combination of high-dispersion spectroscopy with a large photon-collecting area. The absorption signal, attributed to neutral iron, is blueshifted by -11 +/- 0.7 kilometres per second on the trailing limb, which can be explained by a combination of planetary rotation and wind blowing from the hot dayside(16). In contrast, no signal arises from the nightside close to the morning terminator, showing that atomic iron is not absorbing starlight there. We conclude that iron must therefore condense during its journey across the nightside.


Absorption lines of iron in the dayside atmosphere of an ultrahot giant exoplanet disappear after travelling across the nightside, showing that the iron has condensed during its travel.


  
The distribution of sea-salt aerosol in the global troposphere 期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2019, 19 (6) : 4093-4104
作者:  Murphy, Daniel M.;  Froyd, Karl D.;  Bian, Huisheng;  Brock, Charles A.;  Dibb, Jack E.;  DiGangi, Joshua P.;  Diskin, Glenn;  Dollner, Maximillian;  Kupc, Agnieszka;  Scheuer, Eric M.;  Schill, Gregory P.;  Weinzierf, Bernadett;  Williamson, Christina J.;  Yu, Pengfei
收藏  |  浏览/下载：19/0  |  提交时间：2019/11/26
Secondary organic aerosol (SOA) yields from NO3 radical + isoprene based on nighttime aircraft power plant plume transects 期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2018, 18 (16) : 11663-11682
作者:  Fry, Juliane L.;  Brown, Steven S.;  Middlebrook, Ann M.;  Edwards, Peter M.;  Campuzano-Jost, Pedro;  Day, Douglas A.;  Jimenez, Jose L.;  Allen, Hannah M.;  Ryerson, Thomas B.;  Pollack, Ilana;  Graus, Martin;  Warneke, Carsten;  de Gouw, Joost A.;  Brock, Charles A.;  Gilman, Jessica;  Lerner, Brian M.;  Dube, William P.;  Liao, Jin;  Welti, Andre
收藏  |  浏览/下载：11/0  |  提交时间：2019/04/09