Graphene catalyzes the reversible formation of a C-C bond between two molecules.

abstract：:We present an ab initio computational approach for the calculation of resonant Raman intensities, including both excitonic and nonadiabatic effects. Our diagrammatic approach, which we apply to two prototype, semiconducting layered materials, allows a detailed analysis of the impact of phonon-mediated exciton-exciton ...

journal_title：Science advances

authors： Reichardt S,Wirtz L

更新日期：2020-08-07 00:00:00

abstract：:Transplantation with donor corneas is the mainstay for treating corneal blindness, but a severe worldwide shortage necessitates the development of other treatment options. Corneal perforation from infection or inflammation is sealed with cyanoacrylate glue. However, the resulting cytotoxicity requires transplantation....

journal_title：Science advances

authors： McTiernan CD,Simpson FC,Haagdorens M,Samarawickrama C,Hunter D,Buznyk O,Fagerholm P,Ljunggren MK,Lewis P,Pintelon I,Olsen D,Edin E,Groleau M,Allan BD,Griffith M

更新日期：2020-06-17 00:00:00

abstract：:Double seismic zones are two-layered distributions of intermediate-depth earthquakes that provide insight into the thermomechanical state of subducting slabs. We present new precise hypocenters of intermediate-depth earthquakes in the Tonga subduction zone obtained using data from local island-based, ocean-bottom, and...

journal_title：Science advances

authors： Wei SS,Wiens DA,van Keken PE,Cai C

更新日期：2017-01-11 00:00:00

abstract：:Transcription factors control gene expression in all life. This raises the question of what is the smallest protein that can support such activity. In nature, Cro from bacteriophage λ is one of the smallest known repressors (66 amino acids), and activators are typically much larger (e.g., λ cI, 237 amino acids). Previ...

journal_title：Science advances

authors： Brödel AK,Rodrigues R,Jaramillo A,Isalan M

更新日期：2020-06-10 00:00:00

abstract：:Nitrogen oxides (NO x = NO + NO2) are a primary component of air pollution-a leading cause of premature death in humans and biodiversity declines worldwide. Although regulatory policies in California have successfully limited transportation sources of NO ...

journal_title：Science advances

authors： Almaraz M,Bai E,Wang C,Trousdell J,Conley S,Faloona I,Houlton BZ

更新日期：2018-01-31 00:00:00

abstract：:Perovskite oxides exhibit potential for use as electrocatalysts in the oxygen evolution reaction (OER). However, their low specific surface area is the main obstacle to realizing a high mass-specific activity that is required to be competitive against the state-of-the-art precious metal-based catalysts. We report the ...

journal_title：Science advances

authors： Chen G,Zhou W,Guan D,Sunarso J,Zhu Y,Hu X,Zhang W,Shao Z

更新日期：2017-06-21 00:00:00

abstract：:Catalytic dehydrogenation and hydrogenation of amines and alcohols are important in the synthesis of fine chemicals. Despite several efficient homogeneous catalysts having been identified, highly active heterogeneous catalysts remain elusive, although they would meet an unmet need. Here, we show that bimetallic Pd-Au ...

journal_title：Science advances

authors： Cui X,Huang Z,van Muyden AP,Fei Z,Wang T,Dyson PJ

更新日期：2020-07-01 00:00:00

abstract：:Asymmetric interactions such as entropic (e.g., encoded by nonspherical shapes) or surface forces (e.g., encoded by patterned surface chemistry or DNA hybridization) provide access to functional states of colloidal matter, but versatile approaches for engineering asymmetric van der Waals interactions have the potentia...

journal_title：Science advances

authors： Fuster HA,Wang X,Wang X,Bukusoglu E,Spagnolie SE,Abbott NL

更新日期：2020-06-19 00:00:00

abstract：:Metabolites of the intestinal microbiota are thought to be generated through metabolic pathways spanning multiple taxa of intestinal bacteria. We have previously shown that the level of putrescine, a polyamine found abundantly in the human intestinal lumen, is increased in the colonic lumen following administration of...

journal_title：Science advances

authors： Kitada Y,Muramatsu K,Toju H,Kibe R,Benno Y,Kurihara S,Matsumoto M

更新日期：2018-06-27 00:00:00

abstract：:We examine the low-temperature states supported by the quasiperiodic host-guest structure of elemental bismuth at high pressure, Bi-III. Our electronic transport and magnetization experiments establish Bi-III as a rare example of type II superconductivity in an element, with a record upper critical field of ~ 2.5 T, u...

journal_title：Science advances

authors： Brown P,Semeniuk K,Wang D,Monserrat B,Pickard CJ,Grosche FM

更新日期：2018-04-13 00:00:00

abstract：:Correlating spatial chemical information with the morphology of closely packed nanostructures remains a challenge for the scientific community. For example, supramolecular self-assembly, which provides a powerful and low-cost way to create nanoscale patterns and engineered nanostructures, is not easily interrogated in...

journal_title：Science advances

authors： Nowak D,Morrison W,Wickramasinghe HK,Jahng J,Potma E,Wan L,Ruiz R,Albrecht TR,Schmidt K,Frommer J,Sanders DP,Park S

更新日期：2016-03-25 00:00:00

abstract：:Glutathione (GSH), the most abundant nonprotein thiol functioning as an antioxidant, plays critical roles in maintaining the core functions of mesenchymal stem cells (MSCs), which are used as a cellular immunotherapy for graft-versus-host disease (GVHD). However, the role of GSH dynamics in MSCs remains elusive. Genom...

journal_title：Science advances

authors： Lim J,Heo J,Ju H,Shin JW,Kim Y,Lee S,Yu HY,Ryu CM,Yun H,Song S,Hong KS,Chung HM,Kim HR,Roe JS,Choi K,Kim IG,Jeong EM,Shin DM

更新日期：2020-04-15 00:00:00

abstract：:A growing body of empirical evidence is revealing the value of nature experience for mental health. With rapid urbanization and declines in human contact with nature globally, crucial decisions must be made about how to preserve and enhance opportunities for nature experience. Here, we first provide points of consensu...

journal_title：Science advances

authors： Bratman GN,Anderson CB,Berman MG,Cochran B,de Vries S,Flanders J,Folke C,Frumkin H,Gross JJ,Hartig T,Kahn PH Jr,Kuo M,Lawler JJ,Levin PS,Lindahl T,Meyer-Lindenberg A,Mitchell R,Ouyang Z,Roe J,Scarlett L,Smith JR,

更新日期：2019-07-24 00:00:00

abstract：:The exceptionally long quantum coherence times of phosphorus donor nuclear spin qubits in silicon, coupled with the proven scalability of silicon-based nano-electronics, make them attractive candidates for large-scale quantum computing. However, the high threshold of topological quantum error correction can only be ca...

journal_title：Science advances

authors： Hill CD,Peretz E,Hile SJ,House MG,Fuechsle M,Rogge S,Simmons MY,Hollenberg LC

更新日期：2015-10-30 00:00:00

abstract：:Retreat from some areas will become unavoidable under intensifying climate change. Existing deployments of managed retreat are at small scale compared to potential future needs, leaving open questions about where, when, and how retreat under climate change will occur. Here, we analyze more than 40,000 voluntary buyout...

journal_title：Science advances

authors： Mach KJ,Kraan CM,Hino M,Siders AR,Johnston EM,Field CB

更新日期：2019-10-09 00:00:00

abstract：:The spin Hall effect allows the generation of spin current when charge current is passed along materials with large spin-orbit coupling. It has been recently predicted that heat current in a nonmagnetic metal can be converted into spin current via a process referred to as the spin Nernst effect. We report the observat...

journal_title：Science advances

authors： Sheng P,Sakuraba Y,Lau YC,Takahashi S,Mitani S,Hayashi M

更新日期：2017-11-03 00:00:00

abstract：:Stimulation of Escherichia coli by exponential ramps of chemoattractants generates step changes in the concentration of the response regulator, CheY-P. Because flagellar motors are ultrasensitive, this should change the fraction of time that motors spin clockwise, the CWbias. However, early work failed to show changes...

journal_title：Science advances

authors： Lele PP,Shrivastava A,Roland T,Berg HC

更新日期：2015-10-16 00:00:00

abstract：:Ferroelectric domain walls are atomically sharp topological defects that separate regions of uniform polarization. The discovery of electrical conductivity in specific types of walls gave rise to "domain wall nanoelectronics," a technology in which the wall (rather than the domain) stores information. This paradigm sh...

journal_title：Science advances

authors： Sharma P,Zhang Q,Sando D,Lei CH,Liu Y,Li J,Nagarajan V,Seidel J

更新日期：2017-06-23 00:00:00

abstract：:The design of single-molecule photoswitchable emitters was the first milestone toward the advent of single-molecule localization microscopy, setting a new paradigm in the field of optical imaging. Several photoswitchable emitters have been developed, but they all fluoresce in the visible or far-red ranges, missing the...

journal_title：Science advances

authors： Godin AG,Setaro A,Gandil M,Haag R,Adeli M,Reich S,Cognet L

更新日期：2019-09-27 00:00:00

abstract：:Human and murine skin wounding commonly results in fibrotic scarring, but the murine wounding model wound-induced hair neogenesis (WIHN) can frequently result in a regenerative repair response. Here, we show in single-cell RNA sequencing comparisons of semi-regenerative and fibrotic WIHN wounds, increased expression o...

journal_title：Science advances

authors： Gay D,Ghinatti G,Guerrero-Juarez CF,Ferrer RA,Ferri F,Lim CH,Murakami S,Gault N,Barroca V,Rombeau I,Mauffrey P,Irbah L,Treffeisen E,Franz S,Boissonnas A,Combadière C,Ito M,Plikus MV,Romeo PH

更新日期：2020-03-20 00:00:00

abstract：:Infants' remarkable learning abilities allow them to rapidly acquire many complex skills. It has been suggested that infants achieve this learning by optimally allocating their attention to relevant stimuli in the environment, but the underlying mechanisms remain poorly understood. Here, we modeled infants' looking be...

journal_title：Science advances

authors： Poli F,Serino G,Mars RB,Hunnius S

更新日期：2020-09-23 00:00:00

abstract：:Sustainable structural materials with light weight, great thermal dimensional stability, and superb mechanical properties are vitally important for engineering application, but the intrinsic conflict among some material properties (e.g., strength and toughness) makes it challenging to realize these performance indexes...

journal_title：Science advances

authors： Guan QF,Yang HB,Han ZM,Zhou LC,Zhu YB,Ling ZC,Jiang HB,Wang PF,Ma T,Wu HA,Yu SH

更新日期：2020-05-01 00:00:00

abstract：:Difunctionalization of alkenes is a valuable and versatile chemical transformation that could quickly build complex molecules. Extensive efforts have been made, and great achievement, such as Sharpless aminohydroxylation and dihydroxylation, has been reached. However, in marked contrast to the extensive research of am...

journal_title：Science advances

authors： Yuan Y,Chen Y,Tang S,Huang Z,Lei A

更新日期：2018-08-03 00:00:00

abstract：:Fibrosis, characterized by aberrant tissue scarring from activated myofibroblasts, is often untreatable. Although the extracellular matrix becomes increasingly stiff and fibrous during disease progression, how these physical cues affect myofibroblast differentiation in 3D is poorly understood. Here, we describe a mult...

journal_title：Science advances

authors： Matera DL,DiLillo KM,Smith MR,Davidson CD,Parikh R,Said M,Wilke CA,Lombaert IM,Arnold KB,Moore BB,Baker BM

更新日期：2020-09-09 00:00:00

abstract：:Exploration of phase transitions and construction of associated phase diagrams are of fundamental importance for condensed matter physics and materials science alike, and remain the focus of extensive research for both theoretical and experimental studies. For the latter, comprehensive studies involving scattering, th...

journal_title：Science advances

authors： Li L,Yang Y,Zhang D,Ye ZG,Jesse S,Kalinin SV,Vasudevan RK

更新日期：2018-03-30 00:00:00

abstract：:Gravel-bed river floodplains in mountain landscapes disproportionately concentrate diverse habitats, nutrient cycling, productivity of biota, and species interactions. Although stream ecologists know that river channel and floodplain habitats used by aquatic organisms are maintained by hydrologic regimes that mobilize...

journal_title：Science advances

authors： Hauer FR,Locke H,Dreitz VJ,Hebblewhite M,Lowe WH,Muhlfeld CC,Nelson CR,Proctor MF,Rood SB

更新日期：2016-06-24 00:00:00

abstract：:Nanomaterials often surprise us with unexpected phenomena. Here, we report a discovery of the anti-twinning deformation, previously thought impossible, in nanoscale body-centered cubic (BCC) tungsten crystals. By conducting in situ transmission electron microscopy nanomechanical testing, we observed the nucleation and...

journal_title：Science advances

authors： Wang J,Zeng Z,Wen M,Wang Q,Chen D,Zhang Y,Wang P,Wang H,Zhang Z,Mao SX,Zhu T

更新日期：2020-06-03 00:00:00

abstract：:The production of renewable chemicals and biofuels must be cost- and performance- competitive with petroleum-derived equivalents to be widely accepted by markets and society. We propose a biomass conversion strategy that maximizes the conversion of lignocellulosic biomass (up to 80% of the biomass to useful products) ...

journal_title：Science advances

authors： Alonso DM,Hakim SH,Zhou S,Won W,Hosseinaei O,Tao J,Garcia-Negron V,Motagamwala AH,Mellmer MA,Huang K,Houtman CJ,Labbé N,Harper DP,Maravelias C,Runge T,Dumesic JA

更新日期：2017-05-19 00:00:00

abstract：:Nitrogen oxides, released from fossil fuel use and other combustion processes, affect air quality and climate. From the mid-1990s onward, nitrogen dioxide (NO2) has been monitored from space, and since 2004 with relatively high spatial resolution by the Ozone Monitoring Instrument. Strong upward NO2 trends have been o...

journal_title：Science advances

authors： Lelieveld J,Beirle S,Hörmann C,Stenchikov G,Wagner T

更新日期：2015-08-21 00:00:00

abstract：:Hedgehog signaling is central in embryonic development and tissue regeneration. Disruption of the pathway is linked to genetic diseases and cancer. Binding of the secreted ligand, Sonic hedgehog (ShhN) to its receptor Patched (PTCH1) activates the signaling pathway. Here, we describe a 3.4-Å cryo-EM structure of the h...

journal_title：Science advances

authors： Qi C,Di Minin G,Vercellino I,Wutz A,Korkhov VM

更新日期：2019-09-18 00:00:00