Manifestation of Authoritarian Resilience?: Evolution of Property Management in Beijing

This article discusses how middle-class homeowners in urban China have made advancement in collective interest representation and thus protection of private property rights in more systematic ways: not just by contending but by participating in public policy process. This is quite salient in their participation in relevant legislation, from the Property Law in 2007 to the Ordinance on Property Management in Beijing in 2010 and a new version of property management-related local legislation underway. Further investigation of this topic sheds lights on theoretical issues of in what ways and to what extents the state-society interaction in contemporary China is evolving.This work was supported by Hankuk University of Foreign Studies Research Fund

In Search of Peace Studies in China: The Rise of Rights Movements, Conflict Resolution, and Prospects of Peace Studies

Peace studies in China has had meaningful initial developments, but the sustainability of the fields development has been constrained by an authoritarian political atmosphere. Rights and justice are core issues in peace studies, but these remain unaddressed in China. Thus, this article highlights studies on rights movements as de facto peace studies in an authoritarian setting and compares the movement among the middle class and that of peasants/workers, which can help us understand current contradictions and disharmony in Chinese society. Maintaining the stability of a turbulent society is becoming a crucial agenda for the Chinese state. Accordingly, studies on rights movements will become increasingly importan

3-Dimensional Tuning of an Atomically Defined Silicon Tunnel Junction

A requirement for quantum information processors is the in-situ tunability of the tunnel rates and the exchange interaction energy within the device. The large energy level separation for atom qubits in silicon is well suited for qubit operation but limits device tunability using in-plane gate architectures, requiring vertically separated top-gates to control tunnelling within the device. In this paper we address control of the simplest tunnelling device in Si:P, the tunnel junction. Here we demonstrate that we can tune its conductance by using a vertically separated top-gate aligned with +-5nm precision to the junction. We show that a monolithic 3D epitaxial top-gate increases the capacitive coupling by a factor of 3 compared to in-plane gates, resulting in a tunnel barrier height tunability of 0-186meV. By combining multiple gated junctions in series we extend our monolithic 3D gating technology to implement nanoscale logic circuits including AND and OR gates

Evaluation of an eight marker-panel including long mononucleotide repeat markers to detect microsatellite instability in colorectal, gastric, and endometrial cancers

Background Accurate determination of microsatellite instability (MSI) status is critical for optimal treatment in cancer patients. Conventional MSI markers can sometimes display subtle shifts that are difficult to interpret, especially in non-colorectal cases. We evaluated an experimental eight marker-panel including long mononucleotide repeat (LMR) markers for detection of MSI. Methods The eight marker-panel was comprised of five conventional markers (BAT-25, BAT-26, NR-21, NR-24, and NR-27) and three LMR markers (BAT-52, BAT-59 and BAT-62). MSI testing was performed against 300 specimens of colorectal, gastric, and endometrial cancers through PCR followed by capillary electrophoresis length analysis. Results The MSI testing with eight marker-panel showed 99.3% (295/297) concordance with IHC analysis excluding 3 MMR-focal deficient cases. The sensitivity of BAT-59 and BAT-62 was higher than or comparable to that of conventional markers in gastric and endometrial cancer. The mean shift size was larger in LMR markers compared to conventional markers for gastric and endometrial cancers. Conclusions The MSI testing with eight maker-panel showed comparable performance with IHC analysis. The LMR markers, especially BAT-59 and BAT-62, showed high sensitivity and large shifts which can contribute to increased confidence in MSI classification, especially in gastric and endometrial cancers. Further study is needed with large number of samples for the validation of these LMR markers

Coherent control of a donor-molecule electron spin qubit in silicon

Donor spins in silicon provide a promising material platform for large scale quantum computing. Excellent electron spin coherence times of T2*=268 μs with fidelities of 99.9% have been demonstrated for isolated phosphorus donors in isotopically pure 28Si, where donors are local-area-implanted in a nanoscale MOS device. Despite robust single qubit gates, realising two-qubit exchange gates using this technique is challenging due to the statistical nature of the dopant implant and placement process. In parallel a precision scanning probe lithography route has been developed to place single donors and donor molecules on one atomic plane of silicon with high accuracy aligned to heavily phosphorus doped silicon in-plane gates. Recent results using this technique have demonstrated a fast (0.8 ns) two-qubit gate with two P donor molecules placed 13 nm apart in natSi. In this paper we demonstrate a single qubit gate with coherent oscillations of the electron spin on a P donor molecule in natSi patterned by scanning tunneling microscope (STM) lithography. The electron spin exhibits excellent coherence properties, with a T2 decoherence time of 298 ± 30 μs, and T2* dephasing time of 295 ± 23 ns

Usefulness of Multiplex Real-Time PCR for Simultaneous Pathogen Detection and Resistance Profiling of Staphylococcal Bacteremia

Staphylococci are the leading cause of nosocomial blood stream infections. Fast and accurate identification of staphylococci and confirmation of their methicillin resistance are crucial for immediate treatment with effective antibiotics. A multiplex real-time PCR assay that targets mecA, femA specific for S. aureus, femA specific for S. epidermidis, 16S rRNA for universal bacteria, and 16S rRNA specific for staphylococci was developed and evaluated with 290 clinical blood culture samples containing Grampositive cocci in clusters (GPCC). For the 262 blood cultures identified to the species level with the MicroScan WalkAway system (Siemens Healthcare Diagnostics, USA), the direct real-time PCR assay of positive blood cultures showed very good agreement for the categorization of staphylococci into methicillin-resistant S. aureus (MRSA), methicillin-susceptible S. aureus (MSSA), methicillin-resistant S. epidermidis (MRSE), methicillin-susceptible S. epidermidis (MSSE), methicillin-resistant non-S. epidermidis CoNS (MRCoNS), and methicillin-susceptible non-S. epidermidis CoNS (MSCoNS) ( = 0.9313). The direct multiplex real-time PCR assay of positive blood cultures containing GPCC can provide essential information at the critical point of infection with a turnaround time of no more than 4 h. Further studies should evaluate the clinical outcome of using this rapid real-time PCR assay in glycopeptide antibiotic therapy in clinical settings

Single-photon emission from single-electron transport in a SAW-driven lateral light-emitting diode

Funder: Cambridge TrustAbstract: The long-distance quantum transfer between electron-spin qubits in semiconductors is important for realising large-scale quantum computing circuits. Electron-spin to photon-polarisation conversion is a promising technology for achieving free-space or fibre-coupled quantum transfer. In this work, using only regular lithography techniques on a conventional 15 nm GaAs quantum well, we demonstrate acoustically-driven generation of single photons from single electrons, without the need for a self-assembled quantum dot. In this device, a single electron is carried in a potential minimum of a surface acoustic wave (SAW) and is transported to a region of holes to form an exciton. The exciton then decays and creates a single optical photon within 100 ps. This SAW-driven electroluminescence, without optimisation, yields photon antibunching with g(2)(0) = 0.39 ± 0.05 in the single-electron limit (g(2)(0) = 0.63 ± 0.03 in the raw histogram). Our work marks the first step towards electron-to-photon (spin-to-polarisation) qubit conversion for scaleable quantum computing architectures

Dynamics of nuclear power policy in the post-Fukushima era: Interest structure and politicisation in Japan, Taiwan and Korea

This articlecompares the different trajectories of nuclear power policy in Japan, Taiwan and Korea in the post-Fukushima era. The Fukushima nuclear accidentratcheted up the level of contention between civil activism and supporters of nuclear power in all three states. The result of this contention has been decided by the combined effects of two factors - interest structure (complexity vs simplicity) and politicisation (national level vs local level). In terms of scope, policy change has taken place in Taiwan, Japan and Korea in that order. This analysis contributes to a balanced understanding of both structural constraints and the political process in which each actor, and in particular civil activism, is able to manoeuvre.OAIID:RECH_ACHV_DSTSH_NO:T201730258RECH_ACHV_FG:RR00200001ADJUST_YN:EMP_ID:A079059CITE_RATE:.576FILENAME:2017-1215 김-정 공저 Nuclear Power Policy in the Post Fukushima Era 복사본.pdfDEPT_NM:통일·평화연구원EMAIL:[email protected]_YN:YFILEURL:https://srnd.snu.ac.kr/eXrepEIR/fws/file/0da76ef2-0ba4-4856-8f9e-8e424f7d6909/linkY