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Maximally entangled state can be a mixed state
[article]
2012
arXiv
pre-print
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We find that the mixed maximally entangled states exist and prove that the form of the mixed maximally entangled states is unique in terms of the entanglement of formation. Moreover, even if the entanglement is quantified by other entanglement measures, this conclusion is still proven right. This result is a supplementary to the generally accepted fact that all maximally entangled states are pure. These states possess important properties of the pure maximally entangled states, for example,
arXiv:0906.5445v2
fatcat:6czlopsccbctpk634yzigxwkzu
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... e states can be used as a resource for faithful teleportation and they can be distinguished perfectly by local operations and classical communication.
Multiqubit quantum teleportation
2012
Journal of Physics A: Mathematical and Theoretical
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2012 pre-print arXiv:1209.4538v1 fatcat:bozyreee2fck5eol4yr5fb7fwu
We provide a class of six-qubit states for three-qubit perfect teleportation. These states include the six-qubit cluster states as a special class. We generalize this class of six-qubit states to 2n-qubit pure states for n-qubit teleportation, n >=1. These states can be also used for 2n bit classical information transmission in dense coding.
doi:10.1088/1751-8113/45/40/405303
fatcat:5g53zh4ruzadlmkwx635oushfm
C: Consensus Cancer Driver Gene Caller
2019
Genomics, Proteomics & Bioinformatics
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Next-generation sequencing has allowed identification of millions of somatic mutations in human cancer cells. A key challenge in interpreting cancer genomes is to distinguish drivers of cancer development among available genetic mutations. To address this issue, we present the first web-based application, consensus cancer driver gene caller (C3), to identify the consensus driver genes using six different complementary strategies, i.e., frequency-based, machine learning-based, functional
doi:10.1016/j.gpb.2018.10.004
pmid:31465854
pmcid:PMC6818389
fatcat:dirl422q3ratrjni2wi63gt4me
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... ed, clustering-based, statistics model-based, and network-based strategies. This application allows users to specify customized operations when calling driver genes, and provides solid statistical evaluations and interpretable visualizations on the integration results. C3 is implemented in Python and is freely available for public use at http://drivergene.rwebox.com/c3.
Optical simulation of a Popescu-Rohrlich Box
2016
Scientific Reports
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It is well known that the fair-sampling loophole in Bell test opened by the selection of the state to be measured can lead to post-quantum correlations. In this paper, we make the selection of the results after measurement, which opens the fair-sampling loophole too, and thus can lead to post-quantum correlations. This kind of result-selection loophole can be realized by pre-and post-selection processes within the "two-state vector formalism", and a physical simulation of Popescu-Rohrlich (PR)
doi:10.1038/srep28351
pmid:27329203
pmcid:PMC4916437
fatcat:j43ibvvlk5d53cgro2xh7qocti
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... ox is designed in linear optical system. The probability distribution of the PR has a maximal CHSH value 4, i.e. it can maximally violate CHSH inequality. Because the "two-state vector formalism" violates the information causality, it opens the locality loophole too, which means that this kind of results selection within "two-state vector formalism" leads to both fair-sampling loophole and locality loophole, so we call it a comprehensive loophole in Bell test. The comprehensive loophole opened by the results selection within "two-state vector formalism" may be another possible explanation of why postquantum correlations are incompatible with quantum mechanics and seem not to exist in nature.
Evolution equation for entanglement of assistance
2010
Physical Review A. Atomic, Molecular, and Optical Physics
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We investigate the time evolution of the entanglement of assistance when one subsystem undergoes the action of local noisy channels. A general factorization law is presented for the evolution equation of entanglement of assistance. Our results demonstrate that the dynamics of the entanglement of assistance is determined by the action of a noisy channel on the pure maximally entangled state, in which the entanglement reduction turns out to be universal for all quantum states entering the
doi:10.1103/physreva.81.042312
fatcat:4r7xabqldjbofcrzfyrizvccqi
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... This single quantity will make it easy to characterize the entanglement dynamics of entanglement of assistance under unknown channels in the experimental process of producing entangled states by assisted entanglement.
MiR-382 functions as tumor suppressor and chemosensitizer in colorectal cancer
2018
Bioscience Reports
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Dong Xia, Zong-lin Li, Lei Ren, and Ming-ming Wang were responsible for construct Xenograft tumor formation assay. ...
Wang-sheng Chen, Zheng-chuan Hu, and Guo-ping Yi were jointly involved in extracting data and writing the manuscript. ...
doi:10.1042/bsr20180441
pmid:29700213
pmcid:PMC6689104
fatcat:5egyfzkbuvcozg4kmh44mvmucu
Systematic Analysis of Head-to-head Gene Organization: Evolutionary Conservation and Potential Biological Relevance
2005
PLoS Computational Biology
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Systematic Analysis of Head-to-Head Gene Organization: Evolutionary Conservation and Potential Biological Relevance
2006
PLoS Computational Biology
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4′-Acetylbenzo-15-crown-5 2-naphthyloxyacetylhydrazone
2004
Acta Crystallographica Section E
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E60, o678-o680 [https://doi.org/10.1107/S1600536804006671] 4′-Acetylbenzo-15-crown-5 2-naphthyloxyacetylhydrazone Tai-Bao Wei, Yan-Qing Zhou, You-Ming Zhang and Guo-Geometry. All e.s.d.' ...
doi:10.1107/s1600536804006671
fatcat:rn3ipb2dsje7lajv2k4lrfnl4e
A note on fully entangled fraction
2010
Journal of Physics A: Mathematical and Theoretical
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2010 pre-print arXiv:1006.3502v1 fatcat:3echvntntrel7j6lhbdg7oouoqOther Versions
We investigate the general characters of fully entangled fraction for quantum states. The fully entangled fraction of Isotropic states and Werner states are analytically computed.
doi:10.1088/1751-8113/43/27/275203
fatcat:wa2nyabubng5lkbk4nyi5esr3a
Formation of 4'-carboxyl acid metabolite of imrecoxib by rat liver microsomes1
2006
Acta Pharmacologica Sinica
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Aim: Imrecoxib is a novel and moderately selective COX-2 inhibitor. The aim of the present in vitro investigation was to study the formation of the major metabolite 4'-carboxylic acid imrecoxib (M2) and identify the enzyme(s) involved in the reaction. Methods: The formation of M2 was studied in rat liver cytosol in the absence or presence of liver microsomes. The formed metabolite was identified and quantified by LC/MS n . In addition, to characterize the cytochrome P450 (CYP) isozymes involved
doi:10.1111/j.1745-7254.2006.00312.x
pmid:16539853
fatcat:53dkankbsjcbtajpde2afopwca
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... in M2 formation, the effects of typical CYP inhibitors (such as ketoconazle, quinine, α-naphthoflavone, methylpyrazole, and cimetidine) on the formation rate of M2 were investigated. Results: The formation of M2 from 4'hydroxymethyl imrecoxib (M4) was completely dependent on rat liver microsomes and NADPH. Enzyme kinetic studies demonstrated that the formation rate of M2 conformed to monophasic Michaelis-Menten kinetics. Additional experiments showed that the formation of M2 was induced significantly by dexamethasone and lowered by ketoconazole strongly and concentration-dependently. By comparison, other CYP inhibitors, such as α-naphthoflavone, cimetidine, quinine, and methylpyrazole had no inhibitory effects on this metabolic pathway. Conclusion: These biotransformation studies of M4 and imrecoxib in rat liver at the subcellular level showed that the formation of M2 occurs in rat liver microsomes and is NADPH-dependent. The reaction was mainly catalyzed by CYP 3A in untreated rats and in dexamethasone-induced rats. Other CYP, such as CYP 1A, 2C, 2D, and 2E, seem unlikely to participate in this metabolic pathway.
Analysis of Surface Subsidence Caused by Excavation of Urban Tunnel Based on GIS
2017
DEStech Transactions on Materials Science and Engineering
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The smart city management platform based on GIS provides a powerful data and decision support for the construction of underground projects and to avoid the occurrence of ground disaster caused by excavation. In view of the project problems of surface substance caused by the excavation of urban tunnel, the data management process of urban tunnel excavation is established based on the GIS management technology, and combined with the characteristic of four dimensional data in the process of urban
doi:10.12783/dtmse/ictim2017/9954
fatcat:wrnyymcwmjccvfyp4acl7a6ye4
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... unnel construction, the method of storing time dimension + dynamic and static data in the process of urban tunnel construction is designed, the standard database of surface substance early warning is set up and the predicted module of surface substance caused by excavation of urban tunnel under different geological conditions is developed, and by the expected module the corresponding storage data and calculation model are called to predict the surface subsidence caused by tunnel excavation and determine the influence range of the excavation disturbance, and the analysis results are fed back to the data management of GIS platform, and this will provide technical support for decision makers by comparing with the corresponding standards. Through the analysis of the actual case of Qingdao city tunnel excavation, it provides technical support for preventing the occurrence of disasters during the tunnel excavation.
Changes in carpal tunnel compliance with incremental flexor retinaculum release
2016
Journal of Orthopaedic Surgery and Research
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Flexor retinaculum transection is a routine surgical treatment for carpal tunnel syndrome, yet the biomechanical and clinical sequelae of the procedure remain unclear. We investigated the effects of flexor retinaculum release on carpal tunnel structural compliance using cadaveric hands. Methods: The flexor retinaculum was incrementally and sequentially released with transections of 25, 50, 75, and 100 % of the transverse carpal ligament, followed by the distal aponeurosis and then the
doi:10.1186/s13018-016-0380-3
pmid:27074707
pmcid:PMC4831089
fatcat:iupckuhrj5egdcwonlduok6oqy
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... al fascia. Paired outward 10 N forces were applied to the insertion sites of the transverse carpal ligament at the distal (hamate-trapezium) and proximal (pisiform-scaphoid) levels of the carpal tunnel. Carpal tunnel compliance was defined as the change in carpal arch width normalized to the constant 10 N force. Results: With the flexor retinaculum intact, carpal tunnel compliance at the proximal level, 0.696 ± 0.128 mm/N, was 13.6 times greater than that at the distal level, 0.056 ± 0.020 mm/N. Complete release of the transverse carpal ligament was required to achieve a significant gain in compliance at the distal level (p < 0.05). Subsequent release of the distal aponeurosis resulted in an appreciable additional increase in compliance (43.0 %, p = 0.052) at the distal level, but a minimal increase (1.7 %, p = 0.987) at the proximal level. Complete flexor retinaculum release provided a significant gain in compliance relative to transverse carpal ligament release alone at both proximal and distal levels (p < 0.05). Conclusions: Overall, complete flexor retinaculum release increased proximal compliance by 52 % and distal compliance by 332 %. The increase in carpal tunnel compliance with complete flexor retinaculum release helps explain the benefit of carpal tunnel release surgery for patients with carpal tunnel syndrome.
Φ311 Automatic Vertical Drilling System
2011
Advanced Materials Research
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During drilling, how to achieve the aim of deviation control and fast drilling effectively is a common technique issue. Though there are some anti-deviation and well straightening methods at present in drilling fields, most of them have their disadvantages, such as decreasing the weight on bit (WOB) and the rate of penetration (ROP). These drilling methods can't achieve the aim of deviation control and fast drilling economically and effectively in high dip, fractured, fault zones, and other
doi:10.4028/www.scientific.net/amr.339.611
fatcat:rhhersgyvvhixlpiipa3mp6xku
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... rmal formations. . Automatic Vertical Drilling System (AVDS) is a Mechanical-Electrical-Hydraulic integrated drilling tool, and it is also an intelligent drilling system. As an advanced technology, the AVDS is a great breakthrough in deviation control and fast drilling. According to the result of theoretical analysis and oilfield applications, the AVDS can not only increase the weight on bit and improve the rate of penetration greatly, but also can guarantee improved well bore quality. And perfect borehole quality is an important premise of subsequent operation while drilling. Φ311 Automatic Vertical Drilling System (Φ311 AVDS) belongs to the relative-static-effective AVDS, it has been experimented effectively and successfully in Xinjiang oilfield. By the results of the experiments, the indexes of the Φ311 AVDS have met the design requirements and achieved vertical and fast drilling aim in high dip formations. The paper aims to introduce the characteristics, operating principles and matching technologies of the Φ311 AVDS.
A photonic quantum interface for hybrid quantum network
[article]
2017
arXiv
pre-print
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The hybrid quantum network, a universal form of quantum network which is aimed for quantum communication and distributed quantum computation, is that the quantum nodes in it are realized with different physical systems. This universal form of quantum network can combine the advantages and avoid the inherent defects of the different physical system. However, one obstacle standing in the way is the compatible photonic quantum interface. One possible solution is using non-degenerate, narrow-band,
arXiv:1707.03178v1
fatcat:5k2hwik3pjax7f6hv36x4nwfiu
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... ntangled photon pairs as the photonic interface. Here, for the first time, we generate nondegenrate narrow-band polarization-entangled photon pairs in cavity-enhanced spontaneous parametric down-conversion process. The bandwidths and central wavelengths of the signal and idler photons are 9 MHz at 935 nm and 9.5 MHz at 880 nm, which are compatible with trapped ion system and solid-state quantum memory system. The entanglement of the photon source is certified by quantum state tomography, showing a fidelity of 89.6% between the generated quantum state with a Bell state. Besides, a strong violation against Bell inequality with 2.36+/-0.03 further confirms the entanglement property of the photon pairs. Our method is suitable for the hybrid quantum network and will take a big step in this field.
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