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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

Tabla de contenidos

Running Out of Climate Space

Ralf Ohlemüller

<jats:p>Mapping the speed of climate change helps to explain and predict biodiversity patterns on land and in the sea.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 613-614

The Language of Dendrites

Tiago Branco

<jats:p>Dendrites perform spatial and temporal discrimination during input processing.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 615-616

The Big and the Small: Challenges of Imaging the Brain’s Circuits

Jeff W. Lichtman; Winfried Denk

<jats:p>The relation between the structure of the nervous system and its function is more poorly understood than the relation between structure and function in any other organ system. We explore why bridging the structure-function divide is uniquely difficult in the brain. These difficulties also explain the thrust behind the enormous amount of innovation centered on microscopy in neuroscience. We highlight some recent progress and the challenges that remain.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 618-623

The Cell Biology of Synaptic Plasticity

Victoria M. Ho; Ji-Ann Lee; Kelsey C. Martin

<jats:p>Synaptic plasticity is the experience-dependent change in connectivity between neurons that is believed to underlie learning and memory. Here, we discuss the cellular and molecular processes that are altered when a neuron responds to external stimuli, and how these alterations lead to an increase or decrease in synaptic connectivity. Modification of synaptic components and changes in gene expression are necessary for many forms of plasticity. We focus on excitatory neurons in the mammalian hippocampus, one of the best-studied model systems of learning-related plasticity.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 623-628

Porphyrin-Sensitized Solar Cells with Cobalt (II/III)–Based Redox Electrolyte Exceed 12 Percent Efficiency

Aswani Yella; Hsuan-Wei Lee; Hoi Nok Tsao; Chenyi Yi; Aravind Kumar Chandiran; Md.Khaja Nazeeruddin; Eric Wei-Guang Diau; Chen-Yu Yeh; Shaik M Zakeeruddin; Michael Grätzel

<jats:p>Simultaneous modification of the dye and redox shuttle boosts the efficiency of a dye-sensitized solar cell.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 629-634

Structural Dynamics of a Catalytic Monolayer Probed by Ultrafast 2D IR Vibrational Echoes

Daniel E. Rosenfeld; Zsolt Gengeliczki; Brian J. Smith; T. D. P. Stack; M. D. Fayer

<jats:p>A method to track fast vibrational motion in solution has been extended to catalytically important solid/liquid interfaces.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 634-639

A Fluoride-Derived Electrophilic Late-Stage Fluorination Reagent for PET Imaging

Eunsung Lee; Adam S. Kamlet; David C. Powers; Constanze N. Neumann; Gregory B. Boursalian; Takeru Furuya; Daniel C. Choi; Jacob M. Hooker; Tobias Ritter

<jats:p>A palladium compound facilitates rapid incorporation of radioactive fluoride into prospective tracers for medical imaging.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 639-642

Ionic Liquid–Mediated Selective Conversion of CO 2 to CO at Low Overpotentials

Brian A. Rosen; Amin Salehi-Khojin; Michael R. Thorson; Wei Zhu; Devin T. Whipple; Paul J. A. Kenis; Richard I. Masel

<jats:p>Carbon dioxide reduction reactions, a key step in creating fuels from this gas, can be achieved in an ionic liquid.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 643-644

Wireless Solar Water Splitting Using Silicon-Based Semiconductors and Earth-Abundant Catalysts

Steven Y. Reece; Jonathan A. Hamel; Kimberly Sung; Thomas D. Jarvi; Arthur J. Esswein; Joep J. H. Pijpers; Daniel G. Nocera

<jats:p>An artificial water-splitting system was built using abundant materials and sunlight.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 645-648

Hot Carrier–Assisted Intrinsic Photoresponse in Graphene

Nathaniel M. Gabor; Justin C. W. Song; Qiong Ma; Nityan L. Nair; Thiti Taychatanapat; Kenji Watanabe; Takashi Taniguchi; Leonid S. Levitov; Pablo Jarillo-Herrero

<jats:p>Photoexcited electrons in graphene remain thermally excited because they cannot transfer this energy to lattice vibrations.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 648-652