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  • 1
    ISSN: 0021-9614
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    The @Journal of Chemical Thermodynamics 22 (1990), S. 173-179 
    ISSN: 0021-9614
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 0021-9614
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Journal of the American Chemical Society 77 (1955), S. 6136-6139 
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 5
    Publication Date: 2015-02-27
    Description: Quantum teleportation provides a 'disembodied' way to transfer quantum states from one object to another at a distant location, assisted by previously shared entangled states and a classical communication channel. As well as being of fundamental interest, teleportation has been recognized as an important element in long-distance quantum communication, distributed quantum networks and measurement-based quantum computation. There have been numerous demonstrations of teleportation in different physical systems such as photons, atoms, ions, electrons and superconducting circuits. All the previous experiments were limited to the teleportation of one degree of freedom only. However, a single quantum particle can naturally possess various degrees of freedom--internal and external--and with coherent coupling among them. A fundamental open challenge is to teleport multiple degrees of freedom simultaneously, which is necessary to describe a quantum particle fully and, therefore, to teleport it intact. Here we demonstrate quantum teleportation of the composite quantum states of a single photon encoded in both spin and orbital angular momentum. We use photon pairs entangled in both degrees of freedom (that is, hyper-entangled) as the quantum channel for teleportation, and develop a method to project and discriminate hyper-entangled Bell states by exploiting probabilistic quantum non-demolition measurement, which can be extended to more degrees of freedom. We verify the teleportation for both spin-orbit product states and hybrid entangled states, and achieve a teleportation fidelity ranging from 0.57 to 0.68, above the classical limit. Our work is a step towards the teleportation of more complex quantum systems, and demonstrates an increase in our technical control of scalable quantum technologies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Wang, Xi-Lin -- Cai, Xin-Dong -- Su, Zu-En -- Chen, Ming-Cheng -- Wu, Dian -- Li, Li -- Liu, Nai-Le -- Lu, Chao-Yang -- Pan, Jian-Wei -- England -- Nature. 2015 Feb 26;518(7540):516-9. doi: 10.1038/nature14246.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉1] Hefei National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui 230026, China [2] CAS Centre for Excellence and Synergetic Innovation Centre in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, Anhui 230026, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25719668" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 6
    Publication Date: 2012-02-24
    Description: Scalable quantum computing can be achieved only if quantum bits are manipulated in a fault-tolerant fashion. Topological error correction--a method that combines topological quantum computation with quantum error correction--has the highest known tolerable error rate for a local architecture. The technique makes use of cluster states with topological properties and requires only nearest-neighbour interactions. Here we report the experimental demonstration of topological error correction with an eight-photon cluster state. We show that a correlation can be protected against a single error on any quantum bit. Also, when all quantum bits are simultaneously subjected to errors with equal probability, the effective error rate can be significantly reduced. Our work demonstrates the viability of topological error correction for fault-tolerant quantum information processing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yao, Xing-Can -- Wang, Tian-Xiong -- Chen, Hao-Ze -- Gao, Wei-Bo -- Fowler, Austin G -- Raussendorf, Robert -- Chen, Zeng-Bing -- Liu, Nai-Le -- Lu, Chao-Yang -- Deng, You-Jin -- Chen, Yu-Ao -- Pan, Jian-Wei -- England -- Nature. 2012 Feb 22;482(7386):489-94. doi: 10.1038/nature10770.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Shanghai Branch, National Laboratory for Physical Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Shanghai 201315, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22358838" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 7
    Publication Date: 2018-01-17
    Description: Purpose: Therapeutic strategies against hormonal receptor–positive (HR + )/HER2 + breast cancers with poor response to trastuzumab need to be optimized. Experimental Design: Two HR + /HER2 + patient-derived xenograft (PDX) models named as COH-SC1 and COH-SC31 were established to explore targeted therapies for HER2 + breast cancers. RNA sequencing and RPPA (reverse phase protein array) analyses were conducted to decipher molecular features of the two PDXs and define the therapeutic strategy of interest, validated by in vivo drug efficacy examination and in vitro cell proliferation analysis. Results: Estrogen acted as a growth driver of trastuzumab-resistant COH-SC31 tumors but an accelerator in the trastuzumab-sensitive COH-SC1 model. In vivo trastuzumab efficacy examination further confirmed the consistent responses between PDXs and the corresponding tumors. Integrative omics analysis revealed that mammalian target of rapamycin (mTOR) and ERα signaling predominantly regulate tumor growth of the two HR + /HER2 + PDXs. Combination of the dual mTOR complex inhibitor MLN0128 and anti-HER2 trastuzumab strongly suppressed tumor growth of COH-SC1 PDX accompanied by increasing ER-positive cell population in vivo . Instead, MLN0128 in combination with antiestrogen fulvestrant significantly halted the growth of HR + /HER2 + cancer cells in vitro and trastuzumab-resistant COH-SC31 as well as trastuzumab-sensitive COH-SC1 tumors in vivo . Conclusions: Compared with the standard trastuzumab treatment, this study demonstrates alternative therapeutic strategies against HR + /HER2 + tumors through establishment of two PDXs coupled with integrative omics analyses and in vivo drug efficacy examination. This work presents a prototype of future "co-clinical" trials to tailor personalized medicine in clinical practice. Clin Cancer Res; 24(2); 395–406. ©2017 AACR .
    Print ISSN: 1078-0432
    Electronic ISSN: 1557-3265
    Topics: Medicine
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  • 8
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A new biallelic polymorphism for FokI restriction enzyme due to C→T transition in the fourth intron of human DRD2 is described. It must be a usefull marker of this candidate gene for several mental disorders.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-1076
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: —Highly purified fractions of synaptic vesicles were prepared from rat cerebrum or cerebral cortex by density gradient centrifugation. Treatment of synaptic vesicle fractions by autoincubation, freeze-thawing and sonication in an isotonic alkaline-salt medium or in 0·1-0·3% (v/v) Triton X-100 released increasing quantities of synaptic vesicle protein and phospholipid into solution. When the soluble synaptic vesicle proteins were extracted with 0·1% (v/v) Triton X-100, the insoluble residue consisted mostly of 5–8 nm-thick membranes resembling the limiting membranes of intact synaptic vesicles. This finding, together with other considerations, suggested that the soluble proteins and accompanying phospholipids originated from the interior of the synaptic vesicles. A 0·3% (v/v) Triton X-100 extract of synaptic vesicle was fractionated by ultracentrifugal flotation and dialysis into three lipoprotein fractions: a low density lipoprotein (d 〈 1·21 g/ml), a high density lipoprotein (d = 1·21–1·35 g/ml) and a very high density lipoprotein (d 〉 1·35 g/ml). The phospholipid contents of the low, high and very high density lipoprotein fractions were 0·74, 0·38 and 0·20 mg/mg of protein, respectively. All three apolipoproteins had a high ratio of acidic to basic, and of polar to nonpolar, amino acids, and were rich in glycine, alanine and serine. Polyacrylamide gel electrophoresis of the alkaline-salt and Triton X-100 extracts of synaptic vesicles at pH 8·8 resolved a single anionic component which stained for protein, lipid (Sudan black B; iodine) and anionic groups (acridine orange). Polyacrylamide gel electrophoresis of synaptic vesicle extracts at pH 2·7 in 5 m urea and 0·25% (v/v) Triton X-100 resolved about 20 protein components. However, the protein profiles of electropherograms of the Triton X-100 and alkaline-salt extracts differed in certain respects, suggesting that these media to some extent solubilized different proteins. However, most of the protein bands in electropherograms of the Triton X-100 and alkaline-salt extracts also stained for lipid and anionic groups. In addition, two lipoprotein components in the alkaline-salt extract and four in the Triton X-100 extract contained carbohydrate. Isoelectric focusing of synaptic vesicle extracts resolved 6–8 protein fractions. The major fraction in Triton X-100 and alkaline-salt extracts had an apparent isoelectric point of approximately 4·2 and contained 0·24 mg of phospholipid per mg of protein. Soluble synaptic vesicle proteins released by incubating, freeze-thawing and sonicating in the alkaline-salt medium, and protein fractions of the latter obtained by electrofocusing had an absorption maximum of 260–265 nm which was enhanced in a cold 0·5 n perchloric acid extract, an observation suggesting the presence of a bound nucleotide. These findings demonstrate that rat brain synaptic vesicles contain a heterogenous array of soluble acidic lipoproteins which vary in buoyant density, lipid content, amino acid and carbohydrate composition and electrophoretic mobility in polyacrylamide gels. These acidic lipoproteins apparently comprise the bulk of the macromolecular contents of synaptic vesicles and probably serve as ‘carrier’ proteins for the binding and sequestration of the neurotransmitters.
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