A pressure-induced topological phase with large Berry curvature in Pb1-x Sn x Te.

abstract：:Coordinatively unsaturated (CUS) iron sites are highly active in catalytic oxidation reactions; however, maintaining the CUS structure of iron during heterogeneous catalytic reactions is a great challenge. Here, we report a strategy to stabilize single-atom CUS iron sites by embedding highly dispersed FeN4 centers in ...

journal_title：Science advances

authors： Deng D,Chen X,Yu L,Wu X,Liu Q,Liu Y,Yang H,Tian H,Hu Y,Du P,Si R,Wang J,Cui X,Li H,Xiao J,Xu T,Deng J,Yang F,Duchesne PN,Zhang P,Zhou J,Sun L,Li J,Pan X,Bao X

更新日期：2015-12-04 00:00:00

abstract：:The first example of a homogeneous silver(I)-catalyzed aerobic oxidation of aldehydes in water is reported. More than 50 examples of different aliphatic and aromatic aldehydes, including natural products, were tested, and all of them successfully underwent aerobic oxidation to give the corresponding carboxylic acids i...

journal_title：Science advances

authors： Liu M,Wang H,Zeng H,Li CJ

更新日期：2015-03-27 00:00:00

abstract：:By developing new computational models, we examine how enzymatic reactions on an underlying surface can be harnessed to direct the motion and organization of reagent-laden microcapsules in a fluid-filled microchannel. In the presence of appropriate reagents, surface-bound enzymes can act as pumps, which drive large-sc...

journal_title：Science advances

authors： Shklyaev OE,Shum H,Sen A,Balazs AC

更新日期：2016-03-18 00:00:00

abstract：:The transcriptional repressors Polycomb repressive complex 1 (PRC1) and PRC2 are required to maintain cell fate during embryonic development. PRC1 and PRC2 catalyze distinct histone modifications, establishing repressive chromatin at shared targets. How PRC1, which consists of canonical PRC1 (cPRC1) and variant PRC1 (...

journal_title：Science advances

authors： Zepeda-Martinez JA,Pribitzer C,Wang J,Bsteh D,Golumbeanu S,Zhao Q,Burkard TR,Reichholf B,Rhie SK,Jude J,Moussa HF,Zuber J,Bell O

更新日期：2020-04-01 00:00:00

abstract：:Using a national longitudinal survey data set from the Higher Education Research Institute, this study tested whether students who identified as a sexual minority (for example, lesbian, gay, bisexual, or queer) were more or less likely to persist after 4 years in science, technology, engineering, and mathematics (STEM...

journal_title：Science advances

authors： Hughes BE

更新日期：2018-03-14 00:00:00

abstract：:The pathways and transformations of dense water overflows, which depend on small-scale interactions between flow dynamics and erosional-depositional processes, are a central piece in the ocean's large-scale circulation. A novel, high-resolution current and hydrographic data set highlights the intricate pathway travell...

journal_title：Science advances

authors： Sánchez-Leal RF,Bellanco MJ,Fernández-Salas LM,García-Lafuente J,Gasser-Rubinat M,González-Pola C,Hernández-Molina FJ,Pelegrí JL,Peliz A,Relvas P,Roque D,Ruiz-Villarreal M,Sammartino S,Sánchez-Garrido JC

更新日期：2017-11-15 00:00:00

abstract：:Pressure is a key parameter in the physics and chemistry of planet formation and evolution. Previous studies have erroneously assumed that internal pressures monotonically increase with the mass of a body. Using smoothed particle hydrodynamics and potential field method calculations, we demonstrate that the hot, rapid...

journal_title：Science advances

authors： Lock SJ,Stewart ST

更新日期：2019-09-04 00:00:00

abstract：:The Mott metal-insulator transition, a paradigm of strong electron-electron correlations, has been considered as a source of intriguing phenomena. Despite its importance for a wide range of materials, fundamental aspects of the transition, such as its universal properties, are still under debate. We report detailed me...

journal_title：Science advances

authors： Gati E,Garst M,Manna RS,Tutsch U,Wolf B,Bartosch L,Schubert H,Sasaki T,Schlueter JA,Lang M

更新日期：2016-12-07 00:00:00

abstract：:The search for topological superconductors (TSCs) is one of the most urgent contemporary problems in condensed matter systems. TSCs are characterized by a full superconducting gap in the bulk and topologically protected gapless surface (or edge) states. Within each vortex core of TSCs, there exists the zero-energy Maj...

journal_title：Science advances

authors： Guan SY,Chen PJ,Chu MW,Sankar R,Chou F,Jeng HT,Chang CS,Chuang TM

更新日期：2016-11-23 00:00:00

abstract：:Since its domestication in the Fertile Crescent ~8000 to 10,000 years ago, wheat has undergone a complex history of spread, adaptation, and selection. To get better insights into the wheat phylogeography and genetic diversity, we describe allele distribution through time using a set of 4506 landraces and cultivars ori...

journal_title：Science advances

authors： Balfourier F,Bouchet S,Robert S,De Oliveira R,Rimbert H,Kitt J,Choulet F,International Wheat Genome Sequencing Consortium.,BreedWheat Consortium.,Paux E

更新日期：2019-05-29 00:00:00

abstract：:The rapid growth of deformable and stretchable electronics calls for a deformable and stretchable power source. We report a scalable approach for energy harvesters and self-powered sensors that can be highly deformable and stretchable. With conductive liquid contained in a polymer cover, a shape-adaptive triboelectric...

journal_title：Science advances

authors： Yi F,Wang X,Niu S,Li S,Yin Y,Dai K,Zhang G,Lin L,Wen Z,Guo H,Wang J,Yeh MH,Zi Y,Liao Q,You Z,Zhang Y,Wang ZL

更新日期：2016-06-17 00:00:00

abstract：:This study introduces new methods of screening for and tuning chiral space and in so doing identifies a promising set of chiral ligands for asymmetric synthesis. The carbafructopyranosyl-1,2-diamine(s) and salens constructed therefrom are particularly compelling. It is shown that by removing the native anomeric effect...

journal_title：Science advances

authors： Karukurichi KR,Fei X,Swyka RA,Broussy S,Shen W,Dey S,Roy SK,Berkowitz DB

更新日期：2015-07-01 00:00:00

abstract：:Demyelinating diseases involve loss of myelin sheaths and eventually lead to neurological problems. Unfortunately, the precise mechanisms remain unknown, and there are no effective therapies. To overcome these limitations, a reliable and physiologically relevant in vitro model is required. Here, we present a three-dim...

journal_title：Science advances

authors： Hyung S,Lee SR,Kim J,Kim Y,Kim S,Kim HN,Jeon NL

更新日期：2021-01-29 00:00:00

abstract：:Changes in extreme weather, such as tropical cyclones, are one of the most serious ways society experiences the impact of climate change. Advance forecasted conditional attribution statements, using a numerical model, were made about the anthropogenic climate change influence on an individual tropical cyclone, Hurrica...

journal_title：Science advances

authors： Reed KA,Stansfield AM,Wehner MF,Zarzycki CM

更新日期：2020-01-01 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：:Kv2.1 channels mediate cell death-enabling loss of cytosolic potassium in neurons following plasma membrane insertion at somatodendritic clusters. Overexpression of the carboxyl terminus (CT) of the cognate channel Kv2.2 is neuroprotective by disrupting Kv2.1 surface clusters. Here, we define a seven-amino acid declus...

journal_title：Science advances

authors： Schulien AJ,Yeh CY,Orange BN,Pav OJ,Hopkins MP,Moutal A,Khanna R,Sun D,Justice JA,Aizenman E

更新日期：2020-07-01 00:00:00

abstract：:It has been proposed that Mars' moons formed from a disk produced by a large impact with the planet. However, whether such an event could produce tiny Phobos and Deimos remains unclear. Using a hybrid N-body model of moon accumulation that includes a full treatment of moon-moon dynamical interactions, we first identif...

journal_title：Science advances

authors： Canup R,Salmon J

更新日期：2018-04-18 00:00:00

abstract：:Peptidyl arginine deiminase 4 (PAD4) is a nuclear enzyme that converts arginine residues to citrulline. Although increasingly implicated in inflammatory disease and cancer, the mechanism of action of PAD4 and its functionally relevant pathways remains unclear. E2F transcription factors are a family of master regulator...

journal_title：Science advances

authors： Ghari F,Quirke AM,Munro S,Kawalkowska J,Picaud S,McGouran J,Subramanian V,Muth A,Williams R,Kessler B,Thompson PR,Fillipakopoulos P,Knapp S,Venables PJ,La Thangue NB

更新日期：2016-02-05 00:00:00

abstract：:Concern on the impacts of ocean acidification on calcifiers, such as bivalves, sea urchins, and foraminifers, has led to efforts to understand the controls on pH in their habitats, which include kelp forests and seagrass meadows. The metabolism of these habitats can lead to diel fluctuation in pH with increases during...

journal_title：Science advances

authors： Krause-Jensen D,Marbà N,Sanz-Martin M,Hendriks IE,Thyrring J,Carstensen J,Sejr MK,Duarte CM

更新日期：2016-12-14 00:00:00

abstract：:Quantum walks, in virtue of the coherent superposition and quantum interference, have exponential superiority over their classical counterpart in applications of quantum searching and quantum simulation. The quantum-enhanced power is highly related to the state space of quantum walks, which can be expanded by enlargin...

journal_title：Science advances

authors： Tang H,Lin XF,Feng Z,Chen JY,Gao J,Sun K,Wang CY,Lai PC,Xu XY,Wang Y,Qiao LF,Yang AL,Jin XM

更新日期：2018-05-11 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：:Macromolecules tend to respond to applied forces in many different ways. Chemistry at high shear forces can be intriguing, with relatively soft bonds becoming very stiff in specific force-loading geometries. Largely used in bionanotechnology, an important case is the streptavidin (SA)/biotin interaction. Although SA's...

journal_title：Science advances

authors： Sedlak SM,Schendel LC,Gaub HE,Bernardi RC

更新日期：2020-03-25 00:00:00

abstract：:Resistances that exceed the Mott-Ioffe-Regel limit (known as bad metal behavior) and non-Fermi liquid behavior are ubiquitous features of the normal state of many strongly correlated materials. We establish the conditions that lead to bad metal and non-Fermi liquid phases in NdNiO3, which exhibits a prototype bandwidt...

journal_title：Science advances

authors： Mikheev E,Hauser AJ,Himmetoglu B,Moreno NE,Janotti A,Van de Walle CG,Stemmer S

更新日期：2015-11-06 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：:Porous membranes with ultrafast ion permeation and high ion selectivity are highly desirable for efficient mineral separation, water purification, and energy conversion, but it is still a huge challenge to efficiently separate monatomic ions of the same valence and similar sizes using synthetic membranes. We report me...

journal_title：Science advances

authors： Zhang H,Hou J,Hu Y,Wang P,Ou R,Jiang L,Liu JZ,Freeman BD,Hill AJ,Wang H

更新日期：2018-02-09 00:00:00

abstract：:Several forms of hair loss in humans are characterized by the inability of hair follicles to enter the growth phase (anagen) of the hair cycle after being arrested in the resting phase (telogen). Current pharmacologic therapies have been largely unsuccessful in targeting pathways that can be selectively modulated to i...

journal_title：Science advances

authors： Harel S,Higgins CA,Cerise JE,Dai Z,Chen JC,Clynes R,Christiano AM

更新日期：2015-10-23 00:00:00

abstract：:Unraveling the genetic and epigenetic determinants of phenotypes is critical for understanding and re-engineering biology and would benefit from improved methods to separate cells based on phenotypes. Here, we report SPOTlight, a versatile high-throughput technique to isolate individual yeast or human cells with uniqu...

journal_title：Science advances

authors： Lee J,Liu Z,Suzuki PH,Ahrens JF,Lai S,Lu X,Guan S,St-Pierre F

更新日期：2020-10-23 00:00:00

abstract：:Fluid commonly flows in response to an external pressure gradient. However, when a tunnel-containing hydrogel is immersed in water, spontaneous flow occurs through the tunnel without any pressure gradient. We confirmed this flow in a wide range of plant- and animal-derived hydrogels. The flow appears to be driven by a...

journal_title：Science advances

authors： Li Z,Pollack GH

更新日期：2020-05-08 00:00:00

abstract：:Low-dimensional perovskites offer a rare opportunity to investigate lattice dynamics and charge carrier behavior in bulk quantum-confined solids, in addition to them being the leading materials in optoelectronic applications. In particular, zero-dimensional (0D) inorganic perovskites of the Cs4PbX6 (X = Cl, Br, or I) ...

journal_title：Science advances

authors： Yin J,Maity P,De Bastiani M,Dursun I,Bakr OM,Brédas JL,Mohammed OF

更新日期：2017-12-15 00:00:00

abstract：:Plants produce a myriad of taxonomically restricted specialized metabolites. This diversity-and our ability to correlate genotype with phenotype-makes the evolution of these ecologically and medicinally important compounds interesting and experimentally tractable. Trichomes of tomato and other nightshade family plants...

journal_title：Science advances

authors： Leong BJ,Lybrand DB,Lou YR,Fan P,Schilmiller AL,Last RL

更新日期：2019-04-24 00:00:00