Acceptorless dehydrogenation and hydrogenation of N- and O-containing compounds on Pd3Au1(111) facets.

abstract：:Nitrogen oxides (NO x ) emitted from human activities are believed to regulate the atmospheric oxidation capacity of the troposphere. However, observational evidence is limited for the low-to-median NO x concentrations prevalen...

journal_title：Science advances

authors： Liu Y,Seco R,Kim S,Guenther AB,Goldstein AH,Keutsch FN,Springston SR,Watson TB,Artaxo P,Souza RAF,McKinney KA,Martin ST

更新日期：2018-04-11 00:00:00

abstract：:Moisture delivery to western North America is closely linked to variability in the westerly storm tracks of midlatitude cyclones, which are, in turn, modified by larger-scale features such as the El Niño-Southern Oscillation system. Instrumental and modeling data suggest that extratropical storm tracks may be intensif...

journal_title：Science advances

authors： Wise EK,Dannenberg MP

更新日期：2017-06-07 00:00:00

abstract：:Copper-containing nitrite reductases (CuNiRs), encoded by nirK gene, are found in all kingdoms of life with only 5% of CuNiR denitrifiers having two or more copies of nirK Recently, we have identified two copies of nirK genes in several α-proteobacteria of the order Rhizobiales including Bradyrhizobium sp. ORS 375, en...

journal_title：Science advances

authors： Rose SL,Antonyuk SV,Sasaki D,Yamashita K,Hirata K,Ueno G,Ago H,Eady RR,Tosha T,Yamamoto M,Hasnain SS

更新日期：2021-01-01 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：:Among the existing elemental characterization techniques, particle-induced x-ray emission (PIXE) and energy-dispersive x-ray (EDX) spectroscopy are two of the most widely used in different scientific and technological fields. Here, we present the first quantitative laser-driven PIXE and laser-driven EDX experimental i...

journal_title：Science advances

authors： Mirani F,Maffini A,Casamichiela F,Pazzaglia A,Formenti A,Dellasega D,Russo V,Vavassori D,Bortot D,Huault M,Zeraouli G,Ospina V,Malko S,Apiñaniz JI,Pérez-Hernández JA,De Luis D,Gatti G,Volpe L,Pola A,Passoni M

更新日期：2021-01-15 00:00:00

abstract：:Transistors with exfoliated two-dimensional (2D) materials on a SiO2/Si substrate have been applied and have been proven effective in a wide range of applications, such as circuits, memory, photodetectors, gas sensors, optical modulators, valleytronics, and spintronics. However, these devices usually suffer from limit...

journal_title：Science advances

authors： Xu J,Chen L,Dai YW,Cao Q,Sun QQ,Ding SJ,Zhu H,Zhang DW

更新日期：2017-05-19 00:00:00

abstract：:Analog machine learning hardware platforms promise to be faster and more energy efficient than their digital counterparts. Wave physics, as found in acoustics and optics, is a natural candidate for building analog processors for time-varying signals. Here, we identify a mapping between the dynamics of wave physics and...

journal_title：Science advances

authors： Hughes TW,Williamson IAD,Minkov M,Fan S

更新日期：2019-12-20 00:00:00

abstract：:Developing cost-effective, active, and durable electrocatalysts is one of the most important issues for the commercialization of fuel cells. Ultrathin Pt-Mo-Ni nanowires (NWs) with a diameter of ~2.5 nm and lengths of up to several micrometers were synthesized via a H2-assisted solution route (HASR). This catalyst was...

journal_title：Science advances

authors： Mao J,Chen W,He D,Wan J,Pei J,Dong J,Wang Y,An P,Jin Z,Xing W,Tang H,Zhuang Z,Liang X,Huang Y,Zhou G,Wang L,Wang D,Li Y

更新日期：2017-08-30 00:00:00

abstract：:Forest loss is one of the most pervasive land surface transformations on Earth, with drastic effects on global climate, ecosystems, and human well-being. As part of biodiversity conservation and climate change mitigation efforts, many countries, including China, have been implementing large-scale policies to conserve ...

journal_title：Science advances

authors： Viña A,McConnell WJ,Yang H,Xu Z,Liu J

更新日期：2016-03-18 00:00:00

abstract：:Homologous recombination is exquisitely activated only during specific cell phases. In the G1 phase, homologous recombination activity is completely suppressed. According to previous reports, the activation of homologous recombination during specific cell phases depends on the kinase activity of cyclin-dependent kinas...

journal_title：Science advances

authors： Lim G,Chang Y,Huh WK

更新日期：2020-02-07 00:00:00

abstract：:Rising temperatures in the Arctic Ocean region are responsible for changes such as reduced ice cover, permafrost thawing, and increased river discharge, which, together, alter nutrient and carbon cycles over the vast Arctic continental shelf. We show that the concentration of radium-228, sourced to seawater through se...

journal_title：Science advances

authors： Kipp LE,Charette MA,Moore WS,Henderson PB,Rigor IG

更新日期：2018-01-03 00:00:00

abstract：:Changes in chromatin organization occur during aging. Overexpression of histones partially alleviates these changes and promotes longevity. We report that deletion of the histone H3-H4 minor locus HHT1-HHF1 extended the replicative life span of Saccharomyces cerevisiae. This longevity effect was mediated through TOR s...

journal_title：Science advances

authors： Yu R,Sun L,Sun Y,Han X,Qin L,Dang W

更新日期：2019-07-10 00:00:00

abstract：:Arthropod herbivores cause substantial economic costs that drive an increasing need to develop environmentally sustainable approaches to herbivore control. Increasing plant diversity is expected to limit herbivory by altering plant-herbivore and predator-herbivore interactions, but the simultaneous influence of these ...

journal_title：Science advances

authors： Barnes AD,Scherber C,Brose U,Borer ET,Ebeling A,Gauzens B,Giling DP,Hines J,Isbell F,Ristok C,Tilman D,Weisser WW,Eisenhauer N

更新日期：2020-11-06 00:00:00

abstract：:Human settlement of the Caribbean represents the only example in the Americas of peoples colonizing islands that were not visible from surrounding mainland areas or other islands. Unfortunately, many interpretive models have relied on radiocarbon determinations that do not meet standard criteria for reporting because ...

journal_title：Science advances

authors： Napolitano MF,DiNapoli RJ,Stone JH,Levin MJ,Jew NP,Lane BG,O'Connor JT,Fitzpatrick SM

更新日期：2019-12-18 00:00:00

abstract：:Development of composite indicators for integrated health in populations typically relies on a priori assumptions rather than model-free, data-driven evidence. Traditional variable selection processes tend not to consider relatedness and redundancy among variables, instead considering only individual correlations. In ...

journal_title：Science advances

authors： Servadio JL,Convertino M

更新日期：2018-02-02 00:00:00

abstract：:The progression in the hair follicle cycle from the telogen to the anagen phase is the key to regulating hair regrowth. Dermal papilla (DP) cells support hair growth and regulate the hair cycle. However, they gradually lose key inductive properties upon culture. DP cells can partially restore their capacity to promote...

journal_title：Science advances

authors： Hu S,Li Z,Lutz H,Huang K,Su T,Cores J,Dinh PC,Cheng K

更新日期：2020-07-24 00:00:00

abstract：:The picture of how a gap closes in a semiconductor has been radically transformed by topological concepts. Instead of the gap closing and immediately reopening, topological arguments predict that, in the absence of inversion symmetry, a metallic phase protected by Weyl nodes persists over a finite interval of the tuni...

journal_title：Science advances

authors： Liang T,Kushwaha S,Kim J,Gibson Q,Lin J,Kioussis N,Cava RJ,Ong NP

更新日期：2017-05-31 00:00:00

abstract：:Dual-comb spectroscopy allows for high-resolution spectra to be measured over broad bandwidths, but an essential requirement for coherent integration is the availability of a phase reference. Usually, this means that the combs' phase and timing errors must be measured and either minimized by stabilization or removed b...

journal_title：Science advances

authors： Burghoff D,Yang Y,Hu Q

更新日期：2016-11-11 00:00:00

abstract：:The transcription factor p63 is a key mediator of epidermal development. Point mutations in p63 in patients lead to developmental defects, including orofacial clefting. To date, knowledge on how pivotal the role of p63 is in human craniofacial development is limited. Using an inducible transdifferentiation model, comb...

journal_title：Science advances

authors： Lin-Shiao E,Lan Y,Welzenbach J,Alexander KA,Zhang Z,Knapp M,Mangold E,Sammons M,Ludwig KU,Berger SL

更新日期：2019-05-01 00:00:00

abstract：:Cell chirality is a newly discovered intrinsic property of the cell, reflecting the bias of the cell to polarize in the left-right axis. Despite increasing evidence on its substantial role in the asymmetric development of embryos, little is known about implications of cell chirality in physiology and disease. We demon...

journal_title：Science advances

authors： Fan J,Ray P,Lu YW,Kaur G,Schwarz JJ,Wan LQ

更新日期：2018-10-24 00:00:00

abstract：:Massive declines in population abundances of marine animals have been documented over century-long time scales. However, analogous loss of spatial extent of habitat-forming organisms is less well known because georeferenced data are rare over long time scales, particularly in subtidal, tropical marine regions. We use ...

journal_title：Science advances

authors： McClenachan L,O'Connor G,Neal BP,Pandolfi JM,Jackson JBC

更新日期：2017-09-06 00:00:00

abstract：:A withdrawal-associated impairment in β-endorphin neurotransmission in the arcuate nucleus (ARC) of the hypothalamus is associated with alcohol dependence characterized by a chronic relapsing disorder. Although acupuncture activates β-endorphin neurons in the ARC projecting to the nucleus accumbens (NAc), a role for A...

journal_title：Science advances

authors： Chang S,Kim DH,Jang EY,Yoon SS,Gwak YS,Yi YJ,Lee JY,Ahn SH,Kim JM,Ryu YH,Kim SN,Roh HS,Lee MY,Kim SC,Lee BH,Kim HY,Yang CH

更新日期：2019-09-04 00:00:00

abstract：:Earth's night sky continuously produces a faint chemiluminescence known as nightglow. Two prominent nighttime emissions around 90 km are the O2 Atmospheric and the OH Meinel band systems. Despite a plethora of studies since their identification seven decades ago, substantial gaps persist in our understanding of the me...

journal_title：Science advances

authors： Kalogerakis KS

更新日期：2019-03-20 00:00:00

abstract：:Fibulin-4 is a matricellular protein required for extracellular matrix (ECM) assembly. Mice deficient in fibulin-4 (Fbln4-/- ) have disrupted collagen and elastin fibers and die shortly after birth from aortic and diaphragmatic rupture. The function of fibulin-4 in ECM assembly, however, remains elusive. Here, we show...

journal_title：Science advances

authors： Noda K,Kitagawa K,Miki T,Horiguchi M,Akama TO,Taniguchi T,Taniguchi H,Takahashi K,Ogra Y,Mecham RP,Terajima M,Yamauchi M,Nakamura T

更新日期：2020-11-25 00:00:00

abstract：:Dendritic actin networks develop from a first actin filament through branching by the Arp2/3 complex. At the surface of endosomes, the WASH complex activates the Arp2/3 complex and interacts with the capping protein for unclear reasons. Here, we show that the WASH complex interacts with dynactin and uncaps it through ...

journal_title：Science advances

authors： Fokin AI,David V,Oguievetskaia K,Derivery E,Stone CE,Cao L,Rocques N,Molinie N,Henriot V,Aumont-Nicaise M,Hinckelmann MV,Saudou F,Le Clainche C,Carter AP,Romet-Lemonne G,Gautreau AM

更新日期：2021-01-13 00:00:00

abstract：:G-quadruplex (G4) is one of the most important secondary structures in nucleic acids. Until recently, G4 RNAs have not been reported in any ribovirus, such as the hepatitis C virus. Our bioinformatics analysis reveals highly conserved guanine-rich consensus sequences within the core gene of hepatitis C despite the hig...

journal_title：Science advances

authors： Wang SR,Min YQ,Wang JQ,Liu CX,Fu BS,Wu F,Wu LY,Qiao ZX,Song YY,Xu GH,Wu ZG,Huang G,Peng NF,Huang R,Mao WX,Peng S,Chen YQ,Zhu Y,Tian T,Zhang XL,Zhou X

更新日期：2016-04-01 00:00:00

abstract：:Silicic volcanic activity has long been framed as either violently explosive or gently effusive. However, recent observations demonstrate that explosive and effusive behavior can occur simultaneously. Here, we propose that rhyolitic magma feeding subaerial eruptions generally fragments during ascent through the upper ...

journal_title：Science advances

authors： Wadsworth FB,Llewellin EW,Vasseur J,Gardner JE,Tuffen H

更新日期：2020-09-23 00:00:00

abstract：:An immense demand in biomedical imaging is to develop efficient photoluminescent probes with high biocompatibility and quantum yield, as well as multiphoton absorption performance to improve penetration depth and spatial resolution. Here, iron selenide (FeSe) quantum dots (QDs) are reported to meet these criteria. The...

journal_title：Science advances

authors： Kwon J,Jun SW,Choi SI,Mao X,Kim J,Koh EK,Kim YH,Kim SK,Hwang DY,Kim CS,Lee J

更新日期：2019-12-06 00:00:00

abstract：:The cellular and the molecular mechanisms by which long noncoding RNAs (lncRNAs) may regulate presynaptic function and neuronal activity are largely unexplored. Here, we established an integrated screening strategy to discover lncRNAs implicated in neurotransmitter and synaptic vesicle release. With this approach, we ...

journal_title：Science advances

authors： Keihani S,Kluever V,Mandad S,Bansal V,Rahman R,Fritsch E,Gomes LC,Gärtner A,Kügler S,Urlaub H,Wren JD,Bonn S,Rizzoli SO,Fornasiero EF

更新日期：2019-12-18 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