139 Result(s)
within
**an-wen Zhang
Science, Humanities and Social Sciences, multidisciplinary
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Article
Abundance variation of iridium and trace elements at the Permian/Triassic boundary at Shangsi in China
Despite recent searches for anomalous iridium(Ir) concentrations at the Permian/Triassic boundary (P/Tr) of marine sediments1–3, no Ir above a level of 0.5 p.p.b. (parts per 109) has been found. Detailed event–st...
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Significance of a δ13C anomaly near the Devonian/Carboniferous boundary at the Muhua section, South China
The Muhua section of Guizhou Province, South China is one of three candidates for the Devonian/Carboniferous international boundary stratotype1. Although palaeontological and stratigraphical data have been publis...
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Specific targeted killing of ErbB2 positive breast cancer by retro virus-mediated Immunocaspase-3 secreting T cells
In this study, Immunocaspase-3 gene was transfected into Jurkat T lymphocytes and the targeted proapoptotic protein Immunocaspase-3 was stably secreted. Its entry to ErbB2 positive SKBr3 breast carcinoma cell lin...
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Article
Experimental observation of the quantum Hall effect and Berry's phase in graphene
When electrons are confined in two-dimensional materials, quantum-mechanically enhanced transport phenomena such as the quantum Hall effect can be observed. Graphene, consisting of an isolated single atomic la...
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Article
Breast cancer-specific serum peptide profiles
Early detection of breast cancer is paramount to successful clinical therapy. Yet, early-stage breast cancer lacks specific symptoms or biomarkers. With the emerging of the mass spectrometric (MS)–based signat...
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Article
Open AccessA Photometric High-Throughput Method for Identification of Electrochemically Active Bacteria Using a WO3 Nanocluster Probe
Electrochemically active bacteria (EAB) are ubiquitous in environment and have important application in the fields of biogeochemistry, environment, microbiology and bioenergy. However, rapid and sensitive meth...
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Open AccessPhenothiazine Derivative-Accelerated Microbial Extracellular Electron Transfer in Bioelectrochemical System
In bioelectrochemical system (BES) the extracellular electron transfer (EET) from bacteria to anode electrode is recognized as a crucial step that governs the anodic reaction efficiency. Here, we report a nove...
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Vascularized and functional human liver from an iPSC-derived organ bud transplant
Vascularized, functional human liver is generated from human induced pluripotent stem cells (iPSCs) by transplantation of liver buds created in vitro (iPSC-LBs); hepatic cells self-organized into three-dimensiona...
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Open AccessFast and High-Accuracy Localization for Three-Dimensional Single-Particle Tracking
We report a non-iterative localization algorithm that utilizes the scaling of a three-dimensional (3D) image in the axial direction and focuses on evaluating the radial symmetry center of the scaled image to a...
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Article
Two new susceptibility loci 1q24.2 and 11p11.2 confer risk to severe acne
Severe acne is a chronic inflammatory skin disorder characterized by widespread inflammatory lesions including nodules, cysts and potential scarring. Here we perform the first genome-wide association study of ...
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Open AccessBismuthoxyiodide Nanoflakes/Titania Nanotubes Arrayed p-n Heterojunction and Its Application for Photoelectrochemical Bioanalysis
We have developed sensitive detection of cancer biomarker vascular endothelial growth factor (VEGF) using the p-n heterojunction comprised of p-type BiOI nanoflakes (NFs) array and n-type TiO2 nanotubes (NTs) arr...
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Open AccessPollen sensitivity to ultraviolet-B (UV-B) suggests floral structure evolution in alpine plants
Various biotic and abiotic factors are known to exert selection pressures on floral traits, but the influence of ultraviolet-B (UV-B) light on the evolution of flower structure remains relatively unexplored. W...
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Open AccessMap** Brain Injury with Symmetrical-channels' EEG Signal Analysis – A Pilot Study
A technique for detecting brain injury at the bedside has great clinical value, but conventional imaging techniques (such as computed tomography [CT] and magnetic resonance imaging) are impractical. In this st...
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Open AccessComparative analysis of the transcriptome across distant species
Uniform processing and detailed annotation of human, worm and fly RNA-sequencing data reveal ancient, conserved features of the transcriptome, shared co-expression modules (many enriched in developmental genes...
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Open AccessDemonstration of Feasibility of X-Ray Free Electron Laser Studies of Dynamics of Nanoparticles in Entangled Polymer Melts
The recent advent of hard x-ray free electron lasers (XFELs) opens new areas of science due to their exceptional brightness, coherence and time structure. In principle, such sources enable studies of dynamics ...
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Open AccessContinuous dopaminergic stimulation (CDS)-based treatment in Parkinson's disease patients with motor complications: A systematic review and meta-analysis
A systematic review of the literature was conducted to identify randomized trials involving continuous dopaminergic stimulation (CDS) in PD patients with motor complications. Difference between n groups was as...
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Open AccessAberrant methylation of the SPARC gene promoter and its clinical implication in gastric cancer
Secreted protein acidic and rich in cysteine (SPARC) gene has been shown to be epigenetically silenced in several cancers. We investigated the loss of expression and promoter methylation of this tumor suppressor ...
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Open AccessRoles of 3,3′,4′,5-tetrachlorosalicylanilide in regulating extracellular electron transfer of Shewanella oneidensis MR-1
Microbial extracellular electron transfer (EET) is critically involved in many pollutant conversion processes in both natural environment and engineered bioelectrochemical systems (BES), but typically with lim...
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Open AccessConcurrent radiotherapy and weekly chemotherapy of 5-fluorouracil and platinum agents for postoperative locoregional recurrence of oesophageal squamous cell carcinoma
The most optimal management for postoperative locoregional recurrence of oesophageal squamous cell carcinoma is still controversial. Several studies have reported the feasibility and efficacy of concurrent che...
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Open AccessObservation of coherent oscillation in single-passage Landau-Zener transitions
Landau-Zener transition (LZT) has been explored in a variety of physical systems for coherent population transfer between different quantum states. In recent years, there have been various proposals for applyi...
