Robotic QM/MM-driven maturation of antibody combining sites.

abstract：:Immunoglobulin heavy chain (IgH) genes are assembled by two sequential DNA rearrangement events that are initiated by recombination activating gene products (RAG) 1 and 2. Diversity (DH) gene segments rearrange first, followed by variable (VH) gene rearrangements. Here, we provide evidence that each rearrangement step...

journal_title：Science advances

authors： Qiu X,Ma F,Zhao M,Cao Y,Shipp L,Liu A,Dutta A,Singh A,Braikia FZ,De S,Wood WH 3rd,Becker KG,Zhou W,Ji H,Zhao K,Atchison ML,Sen R

更新日期：2020-08-14 00:00:00

abstract：:Although electromagnetic brain stimulation is a promising treatment in neurology and psychiatry, clinical outcomes are variable, and underlying mechanisms are ill-defined, which impedes the development of new effective stimulation protocols. Here, we show, in vivo and ex vivo, that repetitive transcranial magnetic sti...

journal_title：Science advances

authors： Dufor T,Grehl S,Tang AD,Doulazmi M,Traoré M,Debray N,Dubacq C,Deng ZD,Mariani J,Lohof AM,Sherrard RM

更新日期：2019-10-30 00:00:00

abstract：:The notorious ~60° bend separating the Hawaiian and Emperor chains marked a prominent change in the motion of the Pacific plate at ~47 Ma (million years ago), but the origin of that change remains an outstanding controversy that bears on the nature of major plate reorganizations. Lesser known but equally significant i...

journal_title：Science advances

authors： Domeier M,Shephard GE,Jakob J,Gaina C,Doubrovine PV,Torsvik TH

更新日期：2017-11-08 00:00:00

abstract：:Extinction of conditioned fear necessitates the dynamic involvement of hippocampus, medial prefrontal cortex (mPFC), and basolateral amygdala (BLA), but key molecular players that regulate these circuits to achieve fear extinction remain largely unknown. Here, we report that acid-sensing ion channel 1a (ASIC1a) is a c...

journal_title：Science advances

authors： Wang Q,Wang Q,Song XL,Jiang Q,Wu YJ,Li Y,Yuan TF,Zhang S,Xu NJ,Zhu MX,Li WG,Xu TL

更新日期：2018-10-24 00:00:00

abstract：:Coherent interactions between electromagnetic and matter waves lie at the heart of quantum science and technology. However, the diffraction nature of light has limited the scalability of many atom-light-based quantum systems. We use the optical fields in a hollow-core photonic crystal fiber to spatially split, reflect...

journal_title：Science advances

authors： Xin M,Leong WS,Chen Z,Lan SY

更新日期：2018-01-19 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：:Cytosolic RNA sensing is a prerequisite for initiation of innate immune response against RNA viral pathogens. Signaling through RIG-I (retinoic acid-inducible gene I)-like receptors (RLRs) to TBK1 (Tank-binding kinase 1)/IKKε (IκB kinase ε) kinases is transduced by mitochondria-associated MAVS (mitochondrial antiviral...

journal_title：Science advances

authors： Xiang W,Zhang Q,Lin X,Wu S,Zhou Y,Meng F,Fan Y,Shen T,Xiao M,Xia Z,Zou J,Feng XH,Xu P

更新日期：2016-07-01 00:00:00

abstract：:We have developed a way to map brain-wide networks using focal pulsed infrared neural stimulation in ultrahigh-field magnetic resonance imaging (MRI). The patterns of connections revealed are similar to those of connections previously mapped with anatomical tract tracing methods. These include connections between cort...

journal_title：Science advances

authors： Xu AG,Qian M,Tian F,Xu B,Friedman RM,Wang J,Song X,Sun Y,Chernov MM,Cayce JM,Jansen ED,Mahadevan-Jansen A,Zhang X,Chen G,Roe AW

更新日期：2019-04-24 00:00:00

abstract：:Forecasting fields of oceanic phenomena has long been dependent on physical equation-based numerical models. The challenge is that many natural processes need to be considered for understanding complicated phenomena. In contrast, rules of the processes are already embedded in the time-series observation itself. Thus, ...

journal_title：Science advances

authors： Zheng G,Li X,Zhang RH,Liu B

更新日期：2020-07-15 00:00:00

abstract：:The natural selection and the evolutionary optimization of complex shapes in nature are closely related to their functions. Mechanostabilization of shape of biological structure via morphogenesis has several beautiful examples. With the help of simple mechanics-based modeling and experiments, we show an important caus...

journal_title：Science advances

authors： Tiwary CS,Kishore S,Sarkar S,Mahapatra DR,Ajayan PM,Chattopadhyay K

更新日期：2015-05-15 00:00:00

abstract：:The formation of the Isthmus of Panama stands as one of the greatest natural events of the Cenozoic, driving profound biotic transformations on land and in the oceans. Some recent studies suggest that the Isthmus formed many millions of years earlier than the widely recognized age of approximately 3 million years ago ...

journal_title：Science advances

authors： O'Dea A,Lessios HA,Coates AG,Eytan RI,Restrepo-Moreno SA,Cione AL,Collins LS,de Queiroz A,Farris DW,Norris RD,Stallard RF,Woodburne MO,Aguilera O,Aubry MP,Berggren WA,Budd AF,Cozzuol MA,Coppard SE,Duque-Caro H,Finne

更新日期：2016-08-17 00:00:00

abstract：:In the post-Moore era, an electrically driven monolithic optoelectronic integrated circuit (OEIC) fabricated from a single material is pursued globally to enable the construction of wafer-scale compact computing systems with powerful processing capabilities and low-power consumption. We report a monolithic plasmonic i...

journal_title：Science advances

authors： Liu Y,Zhang J,Liu H,Wang S,Peng LM

更新日期：2017-10-20 00:00:00

abstract：:Glucose-responsive insulin delivery systems with robust responsiveness that has been validated in animal models, especially in large animal models, remain elusive. Here, we exploit a new strategy to form a micro-sized complex between a charge-switchable polymer with a glucose-sensing moiety and insulin driven by elect...

journal_title：Science advances

authors： Wang J,Yu J,Zhang Y,Zhang X,Kahkoska AR,Chen G,Wang Z,Sun W,Cai L,Chen Z,Qian C,Shen Q,Khademhosseini A,Buse JB,Gu Z

更新日期：2019-07-10 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：:Strong coupling between a cavity and transition dipole moments in emitters leads to vacuum Rabi splitting. Researchers have not reported strong coupling between a single emitter and a dielectric cavity at room temperature until now. In this study, we investigated the photoluminescence (PL) spectra of colloidal quantum...

journal_title：Science advances

authors： Xu X,Jin S

更新日期：2020-11-20 00:00:00

abstract：:Noble metal foams (NMFs) are a new class of functional materials featuring properties of both noble metals and monolithic porous materials, providing impressive prospects in diverse fields. Among reported synthetic methods, the sol-gel approach manifests overwhelming advantages for versatile synthesis of nanostructure...

journal_title：Science advances

authors： Du R,Hu Y,Hübner R,Joswig JO,Fan X,Schneider K,Eychmüller A

更新日期：2019-05-24 00:00:00

abstract：:Cell lines are commonly used as cancer models. The tissue of origin provides context for understanding biological mechanisms and predicting therapy response. We therefore systematically examined whether cancer cell lines exhibit features matching the presumed cancer type of origin. Gene expression and DNA methylation ...

journal_title：Science advances

authors： Salvadores M,Fuster-Tormo F,Supek F

更新日期：2020-07-01 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：:Planarians exhibit traits of cephalization but are unique among bilaterians in that they ingest food by means of goal-directed movements of a trunk-positioned pharynx, following protrusion of the pharynx out of the body, raising the question of how planarians control such a complex set of body movements for achieving ...

journal_title：Science advances

authors： Miyamoto M,Hattori M,Hosoda K,Sawamoto M,Motoishi M,Hayashi T,Inoue T,Umesono Y

更新日期：2020-04-08 00:00:00

abstract：:Organic-inorganic hybrid halide perovskites are emerging as promising materials for next-generation light-emitting diodes (LEDs). However, the poor stability of these materials has been the main obstacle challenging their application. Here, we performed first-principles calculations, revealing that the molecule dissoc...

journal_title：Science advances

authors： Shang Y,Liao Y,Wei Q,Wang Z,Xiang B,Ke Y,Liu W,Ning Z

更新日期：2019-08-16 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：:Previous studies have extensively investigated the impact of Arctic sea ice anomalies on the midlatitude circulation and associated surface climate in winter. However, there is an ongoing scientific debate regarding whether and how sea ice retreat results in the observed cold anomaly over the adjacent continents. We p...

journal_title：Science advances

authors： Zhang P,Wu Y,Simpson IR,Smith KL,Zhang X,De B,Callaghan P

更新日期：2018-07-25 00:00:00

abstract：:Changes in CO2 emissions during the COVID-19 pandemic have been estimated from indicators on activities like transportation and electricity generation. Here, we instead use satellite observations together with bottom-up information to track the daily dynamics of CO2 emissions during the pandemic. Unlike activity data,...

journal_title：Science advances

authors： Zheng B,Geng G,Ciais P,Davis SJ,Martin RV,Meng J,Wu N,Chevallier F,Broquet G,Boersma F,van der A R,Lin J,Guan D,Lei Y,He K,Zhang Q

更新日期：2020-12-02 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：:We present a framework for quantifying the spatial and temporal co-occurrence of climate stresses in a nonstationary climate. We find that, globally, anthropogenic climate forcing has doubled the joint probability of years that are both warm and dry in the same location (relative to the 1961-1990 baseline). In additio...

journal_title：Science advances

authors： Sarhadi A,Ausín MC,Wiper MP,Touma D,Diffenbaugh NS

更新日期：2018-11-28 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：: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：:The hydrogen atom-the smallest and most abundant atom-is of utmost importance in physics and chemistry. Although many analysis methods have been applied to its study, direct observation of hydrogen atoms in a single molecule remains largely unexplored. We use atomic force microscopy (AFM) to resolve the outermost hydr...

journal_title：Science advances

authors： Kawai S,Nishiuchi T,Kodama T,Spijker P,Pawlak R,Meier T,Tracey J,Kubo T,Meyer E,Foster AS

更新日期：2017-05-12 00:00:00

abstract：:The catalytic activity of alloy nanoparticles depends on the particle size and composition ratio of different metals. Alloy nanoparticles composed of Pd, Pt, and Au are widely used as catalysts for oxidation reactions. The catalytic activities of Pt and Au nanoparticles in oxidation reactions are known to increase as ...

journal_title：Science advances

authors： Takahashi M,Koizumi H,Chun WJ,Kori M,Imaoka T,Yamamoto K

更新日期：2017-07-26 00:00:00

abstract：:RNA interference (RNAi) technology can specifically silence the expression of a target gene and has emerged as a promising therapeutic method to treat cancer. In the present study, we showed that natural halloysite nanotube (HNT)-assisted delivery of an active small interfering RNA (siRNA) targeting receptor-interacti...

journal_title：Science advances

authors： Liu J,Zhang Y,Zeng Q,Zeng H,Liu X,Wu P,Xie H,He L,Long Z,Lu X,Xiao M,Zhu Y,Bo H,Cao K

更新日期：2019-09-25 00:00:00