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Disponibilidad
Institución detectada Período Navegá Descargá Solicitá
No detectada desde mar. 1997 / hasta dic. 2023 Science Journals

Información

Tipo de recurso:

revistas

ISSN impreso

0036-8075

ISSN electrónico

1095-9203

Editor responsable

American Association for the Advancement of Science (AAAS)

País de edición

Estados Unidos

Fecha de publicación

Cobertura temática

naturales

Ciencias naturales

Tabla de contenidos

doi: 10.1126/science.1205438

Detecting Novel Associations in Large Data Sets

David N. Reshef; Yakir A. Reshef; Hilary K. Finucane; Sharon R. Grossman; Gilean McVean; Peter J. Turnbaugh; Eric S. Lander; Michael Mitzenmacher; Pardis C. Sabeti

<jats:p>A statistical method reveals relationships among variables in complex data sets.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1518-1524

doi: 10.1126/science.1212642

The Structure of the Eukaryotic Ribosome at 3.0 Ã… Resolution

Adam Ben-Shem; Nicolas Garreau de Loubresse; Sergey Melnikov; Lasse Jenner; Gulnara Yusupova; Marat Yusupov

<jats:p>A close-up view of the ribosome’s 79 proteins and 5500 RNA nucleotides.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1524-1529

doi: 10.1126/science.1209845

Peak External Photocurrent Quantum Efficiency Exceeding 100% via MEG in a Quantum Dot Solar Cell

Octavi E. Semonin; Joseph M. Luther; Sukgeun Choi; Hsiang-Yu Chen; Jianbo Gao; Arthur J. Nozik; Matthew C. Beard

<jats:p>An experimental solar cell productively uses an extra fraction of high-energy light typically lost as heat.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1530-1533

doi: 10.1126/science.1212472

Growth of Uniformly Oriented Silica MFI and BEA Zeolite Films on Substrates

Tung Cao Thanh Pham; Hyun Sung Kim; Kyung Byung Yoon

<jats:p>Precise control over synthetic conditions eliminates misalignment of pore channels during the growth of zeolite films.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1533-1538

doi: 10.1126/science.1213789

Revealing Atom-Radical Reactivity at Low Temperature Through the N + OH Reaction

Julien Daranlot; Mohamed Jorfi; Changjian Xie; Astrid Bergeat; Michel Costes; Philippe Caubet; Daiqian Xie; Hua Guo; Pascal Honvault; Kevin M. Hickson

<jats:p>Rates have been measured for a chemical transformation of interstellar interest in which both reagents are unstable.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1538-1541

doi: 10.1126/science.1213986

Observing the Multiexciton State in Singlet Fission and Ensuing Ultrafast Multielectron Transfer

Wai-Lun Chan; Manuel Ligges; Askat Jailaubekov; Loren Kaake; Luis Miaja-Avila; X.-Y. Zhu

<jats:p>Photoelectron detection reveals a previously elusive, short-lived paired carrier state of interest in solar light harvesting.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1541-1545

doi: 10.1126/science.1212267

A Coherent Signature of Anthropogenic Nitrogen Deposition to Remote Watersheds of the Northern Hemisphere

Gordon W. Holtgrieve; Daniel E. Schindler; William O. Hobbs; Peter R. Leavitt; Eric J. Ward; Lynda Bunting; Guangjie Chen; Bruce P. Finney; Irene Gregory-Eaves; Sofia Holmgren; Mark J. Lisac; Peter J. Lisi; Koren Nydick; Lauren A. Rogers; Jasmine E. Saros; Daniel T. Selbie; Mark D. Shapley; Patrick B. Walsh; Alexander P. Wolfe

<jats:p>Deposition of reactive nitrogen from human activities occurred in the preindustrial era.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1545-1548

doi: 10.1126/science.1213272

High Relatedness Is Necessary and Sufficient to Maintain Multicellularity in Dictyostelium

Jennie J. Kuzdzal-Fick; Sara A. Fox; Joan E. Strassmann; David C. Queller

<jats:p>Experimental evolution shows that the cooperation of cells in multicellular organisms degrades under low relatedness.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1548-1551

doi: 10.1126/science.1210858

The Tricarboxylic Acid Cycle in Cyanobacteria

Shuyi Zhang; Donald A. Bryant

<jats:p>Contrary to expectations, many photosynthetic cyanobacteria maintain a metabolic flexibility that works in the dark.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1551-1553

doi: 10.1126/science.1212868

Host Proteasomal Degradation Generates Amino Acids Essential for Intracellular Bacterial Growth

Christopher T. D. Price; Tasneem Al-Quadan; Marina Santic; Ilan Rosenshine; Yousef Abu Kwaik

<jats:p> The bacterial pathogen <jats:italic>Legionella pneumophila</jats:italic> ensures amino acid supplies by promoting degradation of target host proteins. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1553-1557