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Transparent conducting oxides are wide bandgap conductors that have found a range of applications in optoelectronic devices. In this study, Hosono and colleagues fabricate the first transparent conducting oxide based on germanium.
The paradigm of reservoir computing shows that, like the human brain, complex networks can perform efficient information processing. Here, a simple delay dynamical system is demonstrated that can efficiently perform computations capable of replacing a complex network in reservoir computing.
Plasmonic nanostructures can be used to manipulate objects larger than the wavelength of light but create thermal heating. In this work, the trapping and controlled rotation of nanoparticles is demonstrated using a plasmonic nanotweezer with a heat sink, predicting a reduction in heating compared with previous designs.
Understanding the genetics and physiology of domesticated species is important for crop improvement. By studying natural variation and the phenotypic traits of 413 diverse accessions of rice, Zhao et al. identify many common genetic variants that influence quantitative traits such as seed size and flowering time.
Cellular senescence is characterized by the cessation of cell growth and the expression of the p16 protein. In this study, inhibition or loss of p300, a histone acetyltransferase, is shown to result in senescence that occurs independently of p16 and is associated with histone hypoacetylation and altered replication timing.
Protein microarrays are useful both in basic research and also in disease monitoring and diagnosis, but their dynamic range is limited. By using plasmonic gold substrates with near-infrared fluorescent enhancement, Tabakman et al. demonstrate a multiplexed protein array with improved detection limits and dynamic range.
It is unclear whether the Fermi surface in the normal state of underdoped cuprates is ambipolar or solely nodal. Here, measuring the second harmonic oscillations in underdoped YBa2Cu3O6+xreveals the origin as an oscillatory chemical potential, based on which a Fermi surface consisting of a nodal pocket is identified.
Recent technological advances have allowed the expansion of spermatogonial stem cellsin vitro; however, in vivo conditions are required for the full differentiation of the cells. In this study, an in vitroorgan culture system is developed that allows the differentiation of the germ cells in the laboratory.
Hydrogels have a variety of applications including tissue engineering and controlled drug delivery. Here, liquid-crystal hydrogels are developed which transform into a fluid solution upon cooling; cells can be encapsulated in the gel at room temperature, then released at physiological temperatures.
Quadrupoles have many engineering applications, but experimental observations of fluidic multipoles have not been reported. This study presents an experimental two-dimensional microfluidic quadrupole, a theoretical analysis consistent with observations, and a first application as a channel-free floating gradient generator.
Transforming growth factor-β blocks the activation of pro-inflammatory cytokines, in part by the degradation of Myd88. This study shows that smad ubiquitin regulator proteins are shown to mediate the destruction of Myd8 and are therefore required for the anti-inflammatory effects of transforming growth factor-β.
In response to antigens, B cells proliferate and form germinal centres before differentiating into memory B cells or long-lived plasma cells. Here, a culture method is used to expand B cells in vitro, with the ability to shift the fate of the cells between memory B cells and long-lived plasma cells.
Property coupling by heteroepitaxy is severely limited in material combinations with highly dissimilar bonding. This report presents a chemical boundary condition methodology to actively engineer two-dimensional film growth in such systems that otherwise collapse into island formation and rough morphologies.
The measurement of the total cross-section of proton–proton collisions is of fundamental importance for particle physics. Here, the first measurement of the inelastic cross-section is presented for proton–proton collisions at an energy of 7 teraelectronvolts using the ATLAS detector at the Large Hadron Collider.
Group BStreptococcuscauses meningitis in newborn infants but how the bacterium crosses the blood-brain barrier is unknown. Here, the bacterial pili adhesion molecule, PilA, is shown to bind to collagen and promote binding of the bacteria to integrins expressed on the blood-brain endothelium.
The appearance of a new intron that splits an exon without disrupting the corresponding peptide sequence is a rare event in vertebrate genomes. Hellstenet al.demonstrate that, under certain circumstances, a functional intron can be produced in a single step by segmental genomic duplication.
Cell-penetrating peptides can deliver molecular cargoes into living cells, and cross biological membranes by transduction—a non-endocytic mechanism. Here, the transduction efficiency of cyclic arginine-rich peptides is shown to be higher than that of more flexible linear peptides.
Autostereoscopic three-dimensional displays allow the perception of depth, by presenting offset images to the left and right eye, without the need for specialized glasses. Yoonet al propose a Luciusmicroprism array to control the directionality and intensity of light in three-dimensional displays.
Photodetection is believed to be among the most promising potential applications for graphene. Here, by combining graphene with plasmonic nanostructures, the efficiency of graphene-based photodetectors is increased by up to two orders of magnitude.
Many mammals are born with an immature intestinal epithelium, which adapts to a changing diet during the weaning period. Muncanet al. show that the transcriptional repressor Blimp1is expressed in the intestine of mice at birth, and that expression is lost at the transition to the weaning stage.