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A scalable method for preparing Cu electrocatalysts that convert CO2 into C2+ products 期刊论文
NATURE COMMUNICATIONS, 2020, 11 (1)
作者:  Kim, Taehee;  Palmore, G. Tayhas R.
收藏  |  浏览/下载:4/0  |  提交时间:2020/07/21
Carbenium ion-mediated oligomerization of methylglyoxal for secondary organic aerosol formation 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (24) : 13294-13299
作者:  Ji, Yuemen;  Shi, Qiuju;  Li, Yixin;  An, Taicheng;  Zheng, Jun;  Peng, Jianfei;  Gao, Yanpeng;  Chen, Jiangyao;  Li, Guiying;  Wang, Yuan;  Zhang, Fang;  Zhang, Annie L.;  Zhao, Jiayun;  Molina, Mario J.;  Zhang, Renyi
收藏  |  浏览/下载:15/0  |  提交时间:2020/06/09
secondary organic aerosol  aqueous  oligomerization  brown carbon  cationic  
Honey bee virus causes context-dependent changes in host social behavior 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (19) : 10406-10413
作者:  Geffre, Amy C.;  Gernat, Tim;  Harwood, Gyan P.;  Jones, Beryl M.;  Gysi, Deisy Morselli;  Hamilton, Adam R.;  Bonning, Bryony C.;  Toth, Amy L.;  Robinson, Gene E.;  Dolezal, Adam G.
收藏  |  浏览/下载:6/0  |  提交时间:2020/05/13
honey bee  virus  host-pathogen evolution  pathogen manipulation  
Recycling and metabolic flexibility dictate life in the lower oceanic crust 期刊论文
NATURE, 2020, 579 (7798) : 250-+
作者:  Zhou, Peng;  Yang, Xing-Lou;  Wang, Xian-Guang;  Hu, Ben;  Zhang, Lei;  Zhang, Wei;  Si, Hao-Rui;  Zhu, Yan;  Li, Bei;  Huang, Chao-Lin;  Chen, Hui-Dong;  Chen, Jing;  Luo, Yun;  Guo, Hua;  Jiang, Ren-Di;  Liu, Mei-Qin;  Chen, Ying;  Shen, Xu-Rui;  Wang, Xi;  Zheng, Xiao-Shuang;  Zhao, Kai;  Chen, Quan-Jiao;  Deng, Fei;  Liu, Lin-Lin;  Yan, Bing;  Zhan, Fa-Xian;  Wang, Yan-Yi;  Xiao, Geng-Fu;  Shi, Zheng-Li
收藏  |  浏览/下载:37/0  |  提交时间:2020/05/13

The lithified lower oceanic crust is one of Earth'  s last biological frontiers as it is difficult to access. It is challenging for microbiota that live in marine subsurface sediments or igneous basement to obtain sufficient carbon resources and energy to support growth(1-3) or to meet basal power requirements(4) during periods of resource scarcity. Here we show how limited and unpredictable sources of carbon and energy dictate survival strategies used by low-biomass microbial communities that live 10-750 m below the seafloor at Atlantis Bank, Indian Ocean, where Earth'  s lower crust is exposed at the seafloor. Assays of enzyme activities, lipid biomarkers, marker genes and microscopy indicate heterogeneously distributed and viable biomass with ultralow cell densities (fewer than 2,000 cells per cm(3)). Expression of genes involved in unexpected heterotrophic processes includes those with a role in the degradation of polyaromatic hydrocarbons, use of polyhydroxyalkanoates as carbon-storage molecules and recycling of amino acids to produce compounds that can participate in redox reactions and energy production. Our study provides insights into how microorganisms in the plutonic crust are able to survive within fractures or porous substrates by coupling sources of energy to organic and inorganic carbon resources that are probably delivered through the circulation of subseafloor fluids or seawater.


  
Isotopic evidence for quasi-equilibrium chemistry in thermally mature natural gases 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (8) : 3989-3995
作者:  Thiagarajan, Nivedita;  Xie, Hao;  Ponton, Camilo;  Kitchen, Nami;  Peterson, Brian;  Lawson, Michael;  Formolo, Michael;  Xiao, Yitian;  Eiler, John
收藏  |  浏览/下载:7/0  |  提交时间:2020/05/13
stable isotopes  compound-specific isotope analysis  clumped isotopes  natural gas  methane  
Polycyclic aromatic hydrocarbon formation chemistry in a plasma jet revealed by IR-UV action spectroscopy 期刊论文
NATURE COMMUNICATIONS, 2020, 11 (1)
作者:  Lemmens, Alexander K.;  Rap, Daniel B.;  Thunnissen, Johannes M. M.;  Willemsen, Bryan;  Rijs, Anouk M.
收藏  |  浏览/下载:5/0  |  提交时间:2020/05/13
Synergistic sorbent separation for one-step ethylene purification from a four-component mixture 期刊论文
SCIENCE, 2019, 366 (6462) : 241-+
作者:  Chen, Kai-Jie;  Madden, David G.;  Mukherjee, Soumya;  Pham, Tony;  Forrest, Katherine A.;  Kumar, Amrit;  Space, Brian;  Kong, Jie;  Zhang, Qiu-Yu;  Zaworotko, Michael J.
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/27
Activation of methane to CH3+: A selective industrial route to methanesulfonic acid 期刊论文
SCIENCE, 2019, 363 (6433) : 1326-+
作者:  Diaz-Urrutia, Christian;  Ott, Timo
收藏  |  浏览/下载:0/0  |  提交时间:2019/11/27
Multiphase reactivity of polycyclic aromatic hydrocarbons is driven by phase separation and diffusion limitations 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (24) : 11658-11663
作者:  Zhou, Shouming;  Hwang, Brian C. H.;  Lakey, Pascale S. J.;  Zuend, Andreas;  Abbatt, Jonathan P. D.;  Shiraiwa, Manabu
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/27
phase state  ozone  indoor chemistry  bulk diffusion  kinetic modeling  
Effect of oil spills on infant mortality in Nigeria 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2019, 116 (12) : 5467-5471
作者:  Bruederle, Anna;  Hodler, Roland
收藏  |  浏览/下载:7/0  |  提交时间:2019/11/27
onshore oil spills  infant mortality  neonatal mortality  Nigeria  sibling comparisons