250 Result(s)
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Science, Humanities and Social Sciences, multidisciplinary
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Article
Open AccessEvolution of Topological Surface States in Antimony Ultra-Thin Films
Based on an inverted bulk band order, antimony thin films presumably could become topological insulators if quantum confinement effect opens up a gap in the bulk bands. Coupling between topological surface sta...
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Tian et al. reply
Arising from N. Dubrovinskaia & L. Dubrovinsky Nature502,http://dx.doi.org/10.1038/nature12620(2013)
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Open AccessRandomly broken fragment PCR with 5′ end-directed adaptor for genome walking
Many genome walking methods based on polymerase chain reaction (PCR) are available, including those with and without restriction enzyme modification. Nevertheless, these methods suffer from low reproducibility...
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Open AccessPorphyrin–phospholipid liposomes permeabilized by near-infrared light
The delivery of therapeutic compounds to target tissues is a central challenge in treating disease. Externally controlled drug release systems hold potential to selectively enhance localized delivery. Here we ...
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Nanotwinned diamond with unprecedented hardness and stability
Nanotwinned diamond synthesized with onion carbon nanoparticles as precursors has much higher hardness and thermal stability than natural diamond; its enhanced hardness is due to the reduced size of its twin s...
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Open AccessOchratoxin A induced early hepatotoxicity: new mechanistic insights from microRNA, mRNA and proteomic profiling studies
The mycotoxin ochratoxin A (OTA) is found widely in agricultural commodities. OTA can induce various toxicities. In this study, rats were gavaged with OTA for different weeks. Then, the expression of microRNAs...
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Aridity threshold in controlling ecosystem nitrogen cycling in arid and semi-arid grasslands
Higher aridity and more extreme rainfall events in drylands are predicted due to climate change. Yet, it is unclear how changing precipitation regimes may affect nitrogen (N) cycling, especially in areas with ...
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Ultrafast quenching of electron–boson interaction and superconducting gap in a cuprate superconductor
Ultrafast spectroscopy is an emerging technique with great promise in the study of quantum materials, as it makes it possible to track similarities and correlations that are not evident near equilibrium. Thus ...
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Finite Element Analysis of the Effect of Mastication on Endochondral Ossification During the Consolidation Period of Mandibular Distraction Osteogenesis
Masticatory movements have been hypothesized to have a close relationship with the endochondral ossification of mandibular distraction gap tissue. This study investigated whether the local biomechanical enviro...
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Open AccessIn situ formation of oxygen vacancy in perovskite Sr0.95Ti0.8Nb0.1M0.1O3 (M = Mn, Cr) toward efficient carbon dioxide electrolysis
In this work, redox-active Mn or Cr is introduced to the B site of redox stable perovskite Sr0.95Ti0.9Nb0.1O3.00 to create oxygen vacancies in situ after reduction for high-temperature CO2 electrolysis. Combined ...
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Open AccessOrientation in multi-layer chitosan hydrogel: morphology, mechanism and design principle
Hydrogels with organized structure have attracted remarkable attentions for bio-related applications. Among the preparation of hierarchical hydrogel materials, fabrication of hydrogel with multi-layers is an i...
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Open AccessApoptosis Signal-regulating Kinase 1 promotes Ochratoxin A-induced renal cytotoxicity
Oxidative stress and apoptosis are involved in Ochratoxin A (OTA)-induced renal cytotoxicity. Apoptosis signal-regulating kinase 1 (ASK1) is a Mitogen-Activated Protein Kinase Kinase Kinase (MAPKKK, MAP3K) fam...
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Open AccessSynthesis of high density aviation fuel with cyclopentanol derived from lignocellulose
For the first time, renewable high density aviation fuels were synthesized at high overall yield (95.6%) by the Guerbet reaction of cyclopentanol which can be derived from lignocellulose, followed by the hydro...
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Open AccessRetinoic acid homeostasis through aldh1a2 and cyp26a1 mediates meiotic entry in Nile tilapia (Oreochromis niloticus)
Meiosis is a process unique to the differentiation of germ cells. Retinoic acid (RA) is the key factor controlling the sex-specific timing of meiotic initiation in tetrapods; however, the role of RA in meiotic...
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Open AccessA Phytophthora sojae cytoplasmic effector mediates disease resistance and abiotic stress tolerance in Nicotiana benthamiana
Each oomycete pathogen encodes a large number of effectors. Some effectors can be used in crop disease resistance breeding, such as to accelerate R gene cloning and utilisation. Since cytoplasmic effectors may ca...
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Open AccessHighly active oxygen reduction non-platinum group metal electrocatalyst without direct metal–nitrogen coordination
Replacement of noble metals in catalysts for cathodic oxygen reduction reaction with transition metals mostly create active sites based on a composite of nitrogen-coordinated transition metal in close concert ...
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Open AccessHomoepitaxial SrTiO3(111) Film with High Dielectric Performance and Atomically Well-Defined Surface
The six-fold symmetry possessed by the (111) surfaces of perovskite oxides allows the epitaxial growth of novel quantum materials such as topological insulators. The dielectric SrTiO3(111) thin film is an ideal b...
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Open AccessTOX and CDKN2A/B Gene Polymorphisms Are Associated with Type 2 Diabetes in Han Chinese
To study associations between type 2 diabetes (T2DM) candidate genes and microvascular complications of diabetes (MVCDs), we performed case-control association studies for both T2DM and MVCDs in Han Chinese su...
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Open AccessLarge-mode-area single-mode-output Neodymium-doped silicate glass all-solid photonic crystal fiber
We have demonstrated a 45 μm core diameter Neodymium-doped all-solid silicate glass photonic crystal fiber laser with a single mode laser output. The structure parameters and modes information of the fiber are...
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Open AccessA highly sensitive and specific method for the screening detection of genetically modified organisms based on digital PCR without pretreatment
Digital PCR has developed rapidly since it was first reported in the 1990s. It was recently reported that an improved method facilitated the detection of genetically modified organisms (GMOs). However, to use ...
