Contents
April 2017
Vol 3, Issue 4
Vol 3, Issue 4
Contents
Research Articles
- A dynamic hydrophobic core orchestrates allostery in protein kinases
The synchronized motions of inner core residues allosterically modulate the activity of the protein kinase A catalytic subunit.
- Nanoparticles that do not adhere to mucus provide uniform and long-lasting drug delivery to airways following inhalation
Debunking the mucoadhesion myth: Nonsticky particles for enhanced pulmonary drug delivery.
- Recovery of an oxidized majorite inclusion from Earth’s deep asthenosphere
Novel discovered majorite from a depth of at least 380 km provides unique window into the redox state and dynamics of the mantle.
- Unraveling self-assembly pathways of the 468-kDa proteolytic machine TET2
Real-time NMR, EM, and native MS studies revealed intermediates and parallel pathways in the assembly of a dodecameric peptidase.
- Role of damping in spin Seebeck effect in yttrium iron garnet thin films
We report an experimental study on how the spin Seebeck effect in magnetic insulators depends on damping.
- Toward garnet electrolyte–based Li metal batteries: An ultrathin, highly effective, artificial solid-state electrolyte/metallic Li interface
Strategy to change the wettability of the solid-state electrolyte against Li and reduce interface resistance.
- Mandrills use olfaction to socially avoid parasitized conspecifics
Mandrills use olfactory cues from feces of conspecifics to evaluate parasite status and avoid social contact with infectious animals.
- The economic value of grassland species for carbon storage
Biodiversity confers economic value by enhancing carbon storage in grasslands, an economic argument for biodiversity conservation.
- Design and function of biomimetic multilayer water purification membranes
A nacre-like multilayer filtration membrane is developed by integration of computational simulation and experimental fabrication.
- Evolutionary dynamics of CRISPR gene drives
Previous CRISPR gene drives should undergo limited spread due to resistance, and a potential solution is presented.
- Fast-moving soft electronic fish
A soft robotic fish can quickly swim and turn with a fully integrated onboard system for power and remote control.
- Robust quantum optimizer with full connectivity
A superconducting circuit of parametric oscillators realizes a robust quantum optimizer with full connectivity and zero overhead.
- The memory remains: Understanding collective memory in the digital age
Disastrous events trigger our collective memory of past events to a surprising extent that can be modeled mathematically.
- Geochemical evidence for mélange melting in global arcs
Arc lavas form from melting of mélange rocks; sediment melts and slab-derived fluids are not major contributors.
- Normal sleep requires the astrocyte brain-type fatty acid binding protein FABP7
The astrocyte brain-type fatty acid binding protein FABP7 regulates sleep consolidation across phylogeny.
- Types and rates of forest disturbance in Brazilian Legal Amazon, 2000–2013
Primary forest clearing as a share of gross disturbance in Brazilian Legal Amazon changed from 67% in 2001 to 47% in 2013.
- Direct 4D printing via active composite materials
A 4D printing method is developed where the shape of a 3D-printed part can change rapidly into a new permanent one by heating.
- SAVI: Synthetic apertures for long-range, subdiffraction-limited visible imaging using Fourier ptychography
Synthetic apertures for visible imaging are a promising approach to achieving subdiffraction resolution in long-distance imaging.
- Saving the injured: Rescue behavior in the termite-hunting ant Megaponera analis
Ants that get injured during predation on termites get saved by their nestmates and recover inside the nest.
- Structural and biochemical differences between the Notch and the amyloid precursor protein transmembrane domains
The Notch transmembrane domain exhibits significant structural differences from that of the amyloid precursor protein.
- Single-layer nanosheets with exceptionally high and anisotropic hydroxyl ion conductivity
Nanosheets exhibit high and anisotropic hydroxyl ion conductivity, promising potentials in energy or environment applications.
- Potential energy–driven spin manipulation via a controllable hydrogen ligand
A hydrogen-functionalized scanning probe tip is used to reversibly switch the total spin of a cobalt hydride complex.
- Climate legacies drive global soil carbon stocks in terrestrial ecosystems
Our findings indicate the importance of paleoclimatic information to improve quantitative predictions of global soil C stocks.
- Imaging the dark emission of spasers
Spasers can serve as a pure surface plasmon generator with a coupling efficiency to plasmonic modes approaching 100%.
- Observation of current-induced, long-lived persistent spin polarization in a topological insulator: A rechargeable spin battery
We report a current-induced, persistent, long-lived, and rewritable electron spin polarization in a 3D topological insulator.
- Mechanism of Vps4 hexamer function revealed by cryo-EM
Cryo-EM structures illustrate a novel mechanism for Vps4-mediated disassembly of ESCRT-III filaments.
- CH3NH3PbI3 perovskites: Ferroelasticity revealed
Evidence and control of ferroelastic (but not ferroelectric) domains in CH3NH3PbI3 perovskite are provided.
- Accelerated discovery of new magnets in the Heusler alloy family
Advanced computer simulations and database access enable the design of novel magnetic materials at an unprecedented speed.
- CRISPR-Cpf1 correction of muscular dystrophy mutations in human cardiomyocytes and mice
CRISPR-Cpf1–mediated correction of Duchenne muscular dystrophy mutations in human cells and a mouse model.
- Quantifying the negative impact of brain drain on the integration of European science
Counterintuitively, by joining the European Union, scientific collaboration in entrant countries became less international.
- First detection of equatorial dark dust lane in a protostellar disk at submillimeter wavelength
An equatorial dark lane has been detected in the disk of a protostar in the earliest phase of star formation through ALMA.
- The nearly universal link between the age of past knowledge and tomorrow’s breakthroughs in science and technology: The hotspot
Papers or patents that cite past work of a particular age distribution double their chances of being a hit.
- Inositol polyphosphate multikinase promotes Toll-like receptor–induced inflammation by stabilizing TRAF6
Inositol polyphosphate multikinase acts as a key determinant of inflammation by stabilizing the signaling adaptor TRAF6.
- Designer interphases for the lithium-oxygen electrochemical cell
A demonstration of stable lithium-oxygen batteries based on high–donor number liquid electrolytes and an ionomer-protected anode.
- Nonreciprocal charge transport in noncentrosymmetric superconductors
Giant nonreciprocal transport effect in noncentrosymmetric superconductors is studied both theoretically and experimentally.
- The Arctic Ocean as a dead end for floating plastics in the North Atlantic branch of the Thermohaline Circulation
Atlantic surface circulation transports high loads of plastic debris to remote Arctic waters.
- Selective control of electron and hole tunneling in 2D assembly
A novel triode device controlled by a carrier type (namely, “carristor”) with ultrahigh on/off and rectification ratios is introduced.
- Isolation of the simplest hydrated acid
The simplest hydrated HF was realized, whose properties were revealed by x-ray analysis, spectroscopy, and theoretical studies.
- Anomalous spin-orbit torque switching due to field-like torque–assisted domain wall reflection
The switching probability of spin-orbit torque devices is controlled by the field-like torque, and switching back can occur.
- Adaptive foveated single-pixel imaging with dynamic supersampling
The performance of a single-pixel computational video camera is enhanced by mimicking the compressive features of animal vision.
- Maximizing the performance of photothermal actuators by combining smart materials with supplementary advantages
This study demonstrates the use of light colors to selectively actuate micrometer-sized structures.
- Direct observation of chiral currents and magnetic reflection in atomic flux lattices
Inducing atomic chiral currents and magnetic reflection with artificial magnetic fields in fully synthetic lattices.
- Selective control of reconfigurable chiral plasmonic metamolecules
DNA origami nanotechnology enables selective reconfiguration of plasmonic quasi-enantiomers through simple pH tuning.
- Tuning across the BCS-BEC crossover in the multiband superconductor Fe1+ySexTe1−x: An angle-resolved photoemission study
A BCS-BEC crossover in a multiband superconductor has been observed experimentally using ARPES.
- A murine preclinical syngeneic transplantation model for breast cancer precision medicine
This work presents a new preclinical platform for implementation of selected targeted therapeutics for breast cancer patients.
- Toward continuous-wave operation of organic semiconductor lasers
Organic semiconductor laser operating in the quasi-CW regime at 80 MHz and under 30 ms long pulse photoexcitation is demonstrated.
- Quantum imaging of current flow in graphene
We demonstrate diamond-based quantum imaging of the current flow in graphene structures with submicrometer resolution.
- Arctic greening from warming promotes declines in caribou populations
A greener Arctic does not benefit caribou; the shift in tundra vegetation due to warming is associated with declining caribou herds.
- Butterfly gyroid nanostructures as a time-frozen glimpse of intracellular membrane development
High-resolution microscopy of hierarchically organized solid gyroid nanostructures sheds light on the underlying dynamic formation process.
- Carbon-free H2 production from ammonia triggered at room temperature with an acidic RuO2/γ-Al2O3 catalyst
Heat evolved by ammonia adsorption on RuO2/γ-Al2O3 heats the catalyst from room temperature to the autoignition temperature.
- Kin-based cultural transmission of tool use in wild chimpanzees
The acquisition of a novel tool behavior to drink water spreads culturally through families in wild chimpanzees.
- Crystal structure of 2C helicase from enterovirus 71
Structure of EV71 2C unveils the structural basis of the functional mechanism of carboxyl terminus–mediated self-oligomerization.
- Data-driven discovery of partial differential equations
Researchers propose sparse regression for identifying governing partial differential equations for spatiotemporal systems.
- Optical identification of sulfur vacancies: Bound excitons at the edges of monolayer tungsten disulfide
Bound exciton is a signature of sulfur vacancies, and thus, it can be used to investigate defects in atomically thin materials.
- Mitochondrial protein-linked DNA breaks perturb mitochondrial gene transcription and trigger free radical–induced DNA damage
Mitochondrial protein-linked DNA repair promotes gene transcription and protects from free radical–induced DNA damage.
- Origami by frontal photopolymerization
A novel method to create 3D origami structures was developed using frontal photopolymerization with grayscale light.
- Genuine binding energy of the hydrated electron
Water microjet photoemission experiments and scattering calculations reveal genuine properties of the hydrated electron.
- Naturally acidified habitat selects for ocean acidification–tolerant mussels
Mussels are able to adapt to ocean acidification over multiple generations.
- Mechanism and color modulation of fungal bioluminescence
Study of fungal bioluminescence mechanisms generates development of a multicolor enzymatic chemiluminescence system.
- Experimental demonstration of nonbilocal quantum correlations
Local theories using two independent hidden variables to model separate sources are violated with two entangled photon pairs.