6700期

最新文章

• Authors move to retract discredited Alzheimer's study AI翻译
  作者：Piller, Charles
  摘要：The high-profile paper contains manipulated images, senior author acknowledges
• No longer an island AI翻译
  作者：Cui, Ying
  作者单位：Montclair State University
• Rare codon recoding for efficient noncanonical amino acid incorporation in mammalian cells AI翻译
  作者：Ding, Wenlong; Yu, Wei; Chen, Yulin; Lao, Lihui; Fang, Yu; Fang, Chengzhu; Zhao, Hongxia; Yang, Bo; Lin, Shixian
  作者单位：Zhejiang University; Zhejiang University; Zhejiang University; Zhejiang University; Zhejiang University
  摘要：The ability to genetically encode noncanonical amino acids (ncAAs) has empowered proteins with improved or previously unknown properties. However, existing strategies in mammalian cells rely on the introduction of a blank codon to incorporate ncAAs, which is inefficient and limits their widespread applications. In this study, we developed a rare codon recoding strategy that takes advantage of the relative rarity of the TCG codon to achieve highly selective and efficient ncAA incorporation thro...
• In testy hearing, Anthony Fauci confronts critics AI翻译
  作者：Kaiser, Jocelyn
  摘要：Republicans attack retired research institute head, while Democrats rally to his defense
• WS2 ribbon arrays with defined chirality and coherent polarity AI翻译
  作者：Xue, Guodong; Zhou, Ziqi; Guo, Quanlin; Zuo, Yonggang; Wei, Wenya; Yang, Jiashu; Yin, Peng; Zhang, Shuai; Zhong, Ding; You, Yilong; Sui, Xin; Liu, Chang; Wu, Muhong; Hong, Hao; Wang, Zhu-Jun; Gao, Peng; Li, Qunyang; Zhang, Libo; Yu, Dapeng; Ding, Feng; Wei, Zhongming; Liu, Can; Liu, Kaihui
  作者单位：Peking University; Renmin University of China; Chinese Academy of Sciences; Peking University; Peking University; Kunming University of Science & Technology; South China Normal University; Chinese Academy of Sciences; Shenzhen Institute of Advanced Technology, CAS; Tsinghua University; Peking University; Tsinghua University; Collaborative Innovation Center of Quantum Matter; ShanghaiTech University; Shenzhen International Quantum Academy; Songshan Lake Materials Laboratory
  摘要：One-dimensional transition metal dichalcogenides exhibiting an enhanced bulk photovoltaic effect have the potential to exceed the Shockley-Queisser limit efficiency in solar energy harvest within p-n junction architectures. However, the collective output of these prototype devices remains a challenge. We report on the synthesis of single-crystalline WS2 ribbon arrays with defined chirality and coherent polarity through an atomic manufacturing strategy. The chirality of WS2 ribbon was defined b...
• Journal papers tied to Big Tobacco AI翻译
  作者：Brainard, Jeffrey
• New Zealand budget trims science AI翻译
  作者：[Anonymous]
• Abundant hydrocarbons in the disk around a very-low-mass star AI翻译
  作者：Arabhavi, A. M.; Kamp, I.; Henning, Th.; van Dishoeck, E. F.; Christiaens, V.; Gasman, D.; Perrin, A.; Guedel, M.; Tabone, B.; Kanwar, J.; Waters, L. B. F. M.; Pascucci, I.; Samland, M.; Perotti, G.; Bettoni, G.; Grant, S. L.; Lagage, P. O.; Ray, T. P.; Vandenbussche, B.; Absil, O.; Argyriou, I.; Barrado, D.; Boccaletti, A.; Bouwman, J.; Garatti, A.; Glauser, A. M.; Lahuis, F.; Mueller, M.; Olofsson, G.; Pantin, E.; Scheithauer, S.; Morales-Calderon, M.; Franceschi, R.; Jang, H.; Pawellek, N.; Rodgers-Lee, D.; Schreiber, J.; Schwarz, K.; Temmink, M.; Vlasblom, M.; Wright, G.; Colina, L.; Oestlin, G.
  作者单位：University of Groningen; Kapteyn Astronomical Institute; Max Planck Society; Leiden University; Leiden University - Excl LUMC; Max Planck Society; University of Liege; KU Leuven; Institut Polytechnique de Paris; Ecole Polytechnique; Sorbonne Universite; Centre National de la Recherche Scientifique (CNRS); University of Vienna; Centre National de la Recherche Scientifique (CNRS); Universite Paris Saclay; Sorbonne Universite; Austrian Academy of Sciences; Graz University of Technology; Radboud University Nijmegen; University of Arizona; Universite Paris Saclay; Centre National de la Recherche Scientifique (CNRS); CEA; Universite Paris Cite; Dublin Institute for Advanced Studies; Consejo Superior de Investigaciones Cientificas (CSIC); CSIC - Centro de Astrobiologia (INTA); Sorbonne Universite; Universite PSL; Observatoire de Paris; Istituto Nazionale Astrofisica (INAF); Stockholm University; HUN-REN; HUN-REN Research Centre for Astronomy & Earth Sciences; Konkoly Thege Miklos Astronomical Institute; University of Edinburgh; Consejo Superior de Investigaciones Cientificas (CSIC); CSIC - Centro de Astrobiologia (INTA)
  摘要：Very-low-mass stars (those less than 0.3 solar masses) host orbiting terrestrial planets more frequently than other types of stars. The compositions of those planets are largely unknown but are expected to relate to the protoplanetary disk in which they form. We used James Webb Space Telescope mid-infrared spectroscopy to investigate the chemical composition of the planet-forming disk around ISO-ChaI 147, a 0.11-solar-mass star. The inner disk has a carbon-rich chemistry; we identified emissio...
• The vault guy AI翻译
  作者：Travis, John
  摘要：Leonard Rome's lab discovered an odd, abundant component of cells in the 1980s-and he's still trying to figure out what it does
• The weapons potential of high-assay low-enriched uranium AI翻译
  作者：Kemp, R. Scott; Lyman, Edwin S.; Deinert, Mark R.; Garwin, Richard L.; von Hippel, Frank N.
  作者单位：Massachusetts Institute of Technology (MIT); Colorado School of Mines; International Business Machines (IBM); IBM USA; Princeton University
  摘要：Recent promotion of new reactor technologies appears to disregard decades-old concerns about nuclear proliferation Preventing the proliferation of nuclear weapons has been a major thrust of international policymaking for more than 70 years. Now, an explosion of interest in a nuclear reactor fuel called high-assay low-enriched uranium (HALEU), spurred by billions of dollars in US government funding, threatens to undermine that system of control. HALEU contains between 10 and 20% of the isotope ...