Experimental two-dimensional quantum walk on a photonic chip.

abstract：:Nanofluidic platforms offering tunable material transport are applicable in biosensing, chemical detection, and filtration. Prior studies have achieved selective and controllable ion transport through electrical, optical, or chemical gating of complex nanostructures. Here, we mechanically control nanofluidic transport...

journal_title：Science advances

authors： Rabinowitz J,Whittier E,Liu Z,Jayant K,Frank J,Shepard K

更新日期：2020-11-13 00:00:00

abstract：:The response to programmed cell death protein-1 (PD-1)/programmed death ligand-1 (PD-L1) blockade in cancer immunotherapy is limited because of multiple immune evasion mechanisms. Here, a previously unknown strategy is proposed to synergize the nuclear factor κB (NF-κB) inhibition and PD-1 blockade for antitumor immun...

journal_title：Science advances

authors： Xiao Z,Su Z,Han S,Huang J,Lin L,Shuai X

更新日期：2020-02-05 00:00:00

abstract：:Revealing physical interactions in complex systems from observed collective dynamics constitutes a fundamental inverse problem in science. Current reconstruction methods require access to a system's model or dynamical data at a level of detail often not available. We exploit changes in invariant measures, in particula...

journal_title：Science advances

authors： Nitzan M,Casadiego J,Timme M

更新日期：2017-02-10 00:00:00

abstract：:The symmetry of metallic nanocolloids, typically envisaged as simple geometrical shapes, is rarely questioned. However, the symmetry considerations are so essential for understanding their electronic structure, optical properties, and biological effects that it is important to reexamine these foundational assumptions ...

journal_title：Science advances

authors： Kim JY,Han MG,Lien MB,Magonov S,Zhu Y,George H,Norris TB,Kotov NA

更新日期：2018-02-09 00:00:00

abstract：:Active materials are capable of converting free energy into directional motion, giving rise to notable dynamical phenomena. Developing a general understanding of their structure in relation to the underlying nonequilibrium physics would provide a route toward control of their dynamic behavior and pave the way for pote...

journal_title：Science advances

authors： Kumar N,Zhang R,de Pablo JJ,Gardel ML

更新日期：2018-10-12 00:00:00

abstract：:Granular dynamics govern earthquakes, avalanches, and landslides and are of fundamental importance in a variety of industries ranging from energy to pharmaceuticals to agriculture. Nonetheless, our understanding of the underlying physics is poor because we lack spatially and temporally resolved experimental measuremen...

journal_title：Science advances

authors： Penn A,Tsuji T,Brunner DO,Boyce CM,Pruessmann KP,Müller CR

更新日期：2017-09-15 00:00:00

abstract：:Porous materials, which are characterized by the large surface area and percolated nature crucial for transport, play an important role in many technological applications including battery, ion exchange, catalysis, microelectronics, medical diagnosis, and oil recovery. Phase separation of a mixture in such a porous st...

journal_title：Science advances

authors： Shimizu R,Tanaka H

更新日期：2017-12-22 00:00:00

abstract：:We describe an approach to print composite polymers in high-resolution three-dimensional (3D) architectures that can be rapidly transformed to a new permanent configuration directly by heating. The permanent shape of a component results from the programmed time evolution of the printed shape upon heating via the desig...

journal_title：Science advances

authors： Ding Z,Yuan C,Peng X,Wang T,Qi HJ,Dunn ML

更新日期：2017-04-12 00:00:00

abstract：:Avian wing shape is highly variable across species but only coarsely associated with flight behavior, performance, and body mass. An underexplored but potentially explanatory feature is the ability of birds to actively change wing shape to meet aerodynamic and behavioral demands. Across 61 species, we found strong ass...

journal_title：Science advances

authors： Baliga VB,Szabo I,Altshuler DL

更新日期：2019-10-23 00:00:00

abstract：:Capabilities for assembly of three-dimensional (3D) micro/nanostructures in advanced materials have important implications across a broad range of application areas, reaching nearly every class of microsystem technology. Approaches that rely on the controlled, compressive buckling of 2D precursors are promising becaus...

journal_title：Science advances

authors： Yan Z,Zhang F,Liu F,Han M,Ou D,Liu Y,Lin Q,Guo X,Fu H,Xie Z,Gao M,Huang Y,Kim J,Qiu Y,Nan K,Kim J,Gutruf P,Luo H,Zhao A,Hwang KC,Huang Y,Zhang Y,Rogers JA

更新日期：2016-09-23 00:00:00

abstract：:Carbon deposits are well-known inhibitors of transition metal catalysts. In contrast to this undesirable behavior, here we show that epitaxial graphene grown on Ru(0001) promotes the reversible formation of a C-C bond between -CH2CN and 7,7,8,8-tetracyano-p-quinodimethane (TCNQ). The catalytic role of graphene is mult...

journal_title：Science advances

authors： Navarro JJ,Pisarra M,Nieto-Ortega B,Villalva J,Ayani CG,Díaz C,Calleja F,Miranda R,Martín F,Pérez EM,Vázquez de Parga AL

更新日期：2018-12-14 00:00:00

abstract：:Preventing the degradation of metal perovskite solar cells (PSCs) by humid air poses a substantial challenge for their future deployment. We introduce here a two-dimensional (2D) A2PbI4 perovskite layer using pentafluorophenylethylammonium (FEA) as a fluoroarene cation inserted between the 3D light-harvesting perovski...

journal_title：Science advances

authors： Liu Y,Akin S,Pan L,Uchida R,Arora N,Milić JV,Hinderhofer A,Schreiber F,Uhl AR,Zakeeruddin SM,Hagfeldt A,Dar MI,Grätzel M

更新日期：2019-06-07 00:00:00

abstract：:The miraculously preserved 2000-year-old Dead Sea Scrolls, ancient texts of invaluable historical significance, were discovered in the mid-20th century in the caves of the Judean desert. The texts were mainly written on parchment and exhibit vast diversity in their states of preservation. One particular scroll, the 8-...

journal_title：Science advances

authors： Schuetz R,Maragh JM,Weaver JC,Rabin I,Masic A

更新日期：2019-09-06 00:00:00

abstract：:A trimer-of-hairpins motif has been identified in triggering virus-cell fusion within a variety of viral envelopes. Chemically manipulating such a motif represents current repertoire of viral fusion inhibitors. Here, we report that triterpenoids, a class of natural products, antagonize this trimer-of-hairpins via its ...

journal_title：Science advances

authors： Si L,Meng K,Tian Z,Sun J,Li H,Zhang Z,Soloveva V,Li H,Fu G,Xia Q,Xiao S,Zhang L,Zhou D

更新日期：2018-11-21 00:00:00

abstract：:The human bronchial epithelium is composed of multiple distinct cell types that cooperate to defend against environmental insults. While studies have shown that smoking alters bronchial epithelial function and morphology, its precise effects on specific cell types and overall tissue composition are unclear. We used si...

journal_title：Science advances

authors： Duclos GE,Teixeira VH,Autissier P,Gesthalter YB,Reinders-Luinge MA,Terrano R,Dumas YM,Liu G,Mazzilli SA,Brandsma CA,van den Berge M,Janes SM,Timens W,Lenburg ME,Spira A,Campbell JD,Beane J

更新日期：2019-12-11 00:00:00

abstract：:Mucoadhesive particles (MAP) have been widely explored for pulmonary drug delivery because of their perceived benefits in improving particle residence in the lungs. However, retention of particles adhesively trapped in airway mucus may be limited by physiologic mucus clearance mechanisms. In contrast, particles that a...

journal_title：Science advances

authors： Schneider CS,Xu Q,Boylan NJ,Chisholm J,Tang BC,Schuster BS,Henning A,Ensign LM,Lee E,Adstamongkonkul P,Simons BW,Wang SS,Gong X,Yu T,Boyle MP,Suk JS,Hanes J

更新日期：2017-04-05 00:00:00

abstract：:Intrinsic immune defenses mediated by restriction factors inhibit productive viral infections. Select viruses rapidly establish latent infections and, with gene expression profiles that imply cell-autonomous intrinsic defenses, may be the most effective immune control measure against latent reservoirs. We illustrate t...

journal_title：Science advances

authors： Lee SH,Albright ER,Lee JH,Jacobs D,Kalejta RF

更新日期：2015-11-27 00:00:00

abstract：:The human transfer RNA methyltransferase 9-like gene (TRM9L, also known as KIAA1456) encodes a negative regulator of tumor growth that is frequently silenced in many forms of cancer. While TRM9L can inhibit tumor cell growth in vivo, the molecular mechanisms underlying the tumor inhibition activity of TRM9L are unknow...

journal_title：Science advances

authors： Gu C,Ramos J,Begley U,Dedon PC,Fu D,Begley TJ

更新日期：2018-07-11 00:00:00

abstract：:A rapid, direct, and low-cost method for detecting bacterial toxins associated with common gastrointestinal diseases remains a great challenge despite numerous studies and clinical assays. Motion-based detection through tracking the emerging micro- and nanorobots has shown great potential in chemo- and biosensing due ...

journal_title：Science advances

authors： Zhang Y,Zhang L,Yang L,Vong CI,Chan KF,Wu WKK,Kwong TNY,Lo NWS,Ip M,Wong SH,Sung JJY,Chiu PWY,Zhang L

更新日期：2019-01-11 00:00:00

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：:Adoptive cell transfers have emerged as a disruptive approach to treat disease in a manner that is more specific than using small-molecule drugs; however, unlike traditional drugs, cells are living entities that can alter their function in response to environmental cues. In the present study, we report an engineered p...

journal_title：Science advances

authors： Shields CW 4th,Evans MA,Wang LL,Baugh N,Iyer S,Wu D,Zhao Z,Pusuluri A,Ukidve A,Pan DC,Mitragotri S

更新日期：2020-04-29 00:00:00

abstract：:Laser technology has developed and accelerated photo-induced nonequilibrium physics, from both the scientific and engineering viewpoints. Floquet engineering, i.e., controlling material properties and functionalities by time-periodic drives, is at the forefront of quantum physics of light-matter interaction. However, ...

journal_title：Science advances

authors： Ikeda TN,Sato M

更新日期：2020-07-03 00:00:00

abstract：:Soil organic carbon (SOC) stored in permafrost across the high-latitude/altitude Northern Hemisphere represents an important potential carbon source under future warming. Here, we provide a comprehensive investigation on the spatiotemporal dynamics of SOC over the high-altitude Tibetan Plateau (TP), which has received...

journal_title：Science advances

authors： Wang T,Yang D,Yang Y,Piao S,Li X,Cheng G,Fu B

更新日期：2020-05-06 00:00:00

abstract：:The discovery of high-temperature superconductivity in cuprates ranks among the major scientific milestones of the past half century, yet pivotal questions regarding the complex phase diagram of these materials remain unanswered. Generally thought of as doped charge-transfer insulators, these complex oxides exhibit ps...

journal_title：Science advances

authors： Pelc D,Popčević P,Požek M,Greven M,Barišić N

更新日期：2019-01-25 00:00:00

abstract：:Toxins efficiently deliver cargo to cells by binding to cell surface ligands, initiating endocytosis, and escaping the endolysosomal pathway into the cytoplasm. We took advantage of this delivery pathway by conjugating an attenuated diphtheria toxin to siRNA, thereby achieving gene downregulation in patient-derived gl...

journal_title：Science advances

authors： Arnold AE,Smith LJ,Beilhartz GL,Bahlmann LC,Jameson E,Melnyk RA,Shoichet MS

更新日期：2020-05-01 00:00:00

abstract：:SN2-type halide substitution and hydrolysis are two of the most ubiquitous reactions in chemistry. The interplay between these processes is fundamental in atmospheric chemistry through reactions of N2O5 and seawater. N2O5 plays a major role in regulating levels of O3, OH, NO x ...

journal_title：Science advances

authors： McCaslin LM,Johnson MA,Gerber RB

更新日期：2019-06-05 00:00:00

abstract：:Gender inequality in contemporary U.S. society is a well-documented, widespread phenomenon. However, little is known about gender disparities in product markets. This study is the first to use actual market data to study the behavior of women and men as sellers and buyers and differences in market outcomes. We analyze...

journal_title：Science advances

authors： Kricheli-Katz T,Regev T

更新日期：2016-02-19 00:00:00

abstract：:Changes in structure and function of small muscular arteries play a major role in the pathophysiology of pulmonary hypertension, a burgeoning public health challenge. Improved anatomically mimetic in vitro models of these microvessels are urgently needed because nonhuman vessels and previous models do not accurately r...

journal_title：Science advances

authors： Jin Q,Bhatta A,Pagaduan JV,Chen X,West-Foyle H,Liu J,Hou A,Berkowitz D,Kuo SC,Askin FB,Nguyen TD,Gracias DH,Romer LH

更新日期：2020-03-25 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：:The attraction between electrons and holes in semiconductors forms excitons, which largely determine the optical properties of the hosting material, and hence the device performance, especially for low-dimensional systems. Mono- and few-layer black phosphorus (BP) are emerging two-dimensional (2D) semiconductors. Desp...

journal_title：Science advances

authors： Zhang G,Chaves A,Huang S,Wang F,Xing Q,Low T,Yan H

更新日期：2018-03-16 00:00:00