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  1. Article: Artificial enhancement of sturgeon stock in freshwater reservoirs: A case study on sterlet Acipenser ruthenus of the Kama reservoir

    Mikheev, Pavel B. / Kazarinov, Semyon N. / Melnikova, Alla G. / Ponosov, Stanislav V. / Petrenko, Nikolai G. / Nikiforov, Andrei I. / Puzik, Alexey Yu / Elchenkova, Olga N.

    Shanghai Ocean University. Aquaculture and fisheries. 2022 Apr. 08,

    2022  

    Abstract: The paper presents the results of the sterlet sturgeon Acipenser ruthenus reintroduction into the Kama Reservoir (Perm Krai, Russia) by sterlet fry from hatcheries into the reservoir since 2001. The effectiveness of hatchery releases was evaluated by ... ...

    Abstract The paper presents the results of the sterlet sturgeon Acipenser ruthenus reintroduction into the Kama Reservoir (Perm Krai, Russia) by sterlet fry from hatcheries into the reservoir since 2001. The effectiveness of hatchery releases was evaluated by monitoring gillnet sampling 2014–2020. The results showed that the species was reported throughout entire Kama Reservoir, which contrasts with 1988–1994 data, when the species was registered only at the upper part of the reservoir near the Kama River mouth. The highest number and biomass values of catch per unit effort (CPUE) of the sterlet were found in submerged river channels – the deepest habitats with flow conditions which are close to the ecological requirements of the species. The distribution of the sterlet within the channel biotopes of the reservoir is defined by reduced variability. The biggest individuals and the widest size range of the sterlet were typical for the upper area of the reservoir and Chusovskoy Bay, which have the greatest flow. The smallest sizes were typical for fish from catches near the dam of the reservoir, which is consistent with the published data on the distribution of sterlet in reservoir conditions. The presented results may indicate the artificial formation of the sterlet stock in the Kama Reservoir maintained by hatchery releases. The revealed distribution of the sterlet in the reservoir determines the direction of further research on natural reproduction and thus formation of an artificially formed population. Also, future studies are required to assess the possibility of hybridization of the sterlet of artificial origin with natural populations of the species, since the low genetic diversity of the sterlet released into the Kama Reservoir which can lead to irreversible loss of genetic individuality of the natural stocks of the species in the catchment of upper course of the Kama River.
    Keywords Acipenser ruthenus ; Russia ; aquaculture ; biomass ; biotopes ; case studies ; freshwater ; genetic variation ; gillnets ; hatcheries ; rivers ; sturgeon ; watersheds
    Language English
    Dates of publication 2022-0408
    Publishing place Elsevier B.V.
    Document type Article
    Note Pre-press version
    ISSN 2468-550X
    DOI 10.1016/j.aaf.2022.04.004
    Database NAL-Catalogue (AGRICOLA)

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  2. Book ; Online: Advancing Hybrid Quantum-Classical Computation with Real-Time Execution

    Lubinski, Thomas / Granade, Cassandra / Anderson, Amos / Geller, Alan / Roetteler, Martin / Petrenko, Andrei / Heim, Bettina

    2022  

    Abstract: The use of mid-circuit measurement and qubit reset within quantum programs has been introduced recently and several applications demonstrated that perform conditional branching based on these measurements. In this work, we go a step further and describe ... ...

    Abstract The use of mid-circuit measurement and qubit reset within quantum programs has been introduced recently and several applications demonstrated that perform conditional branching based on these measurements. In this work, we go a step further and describe a next-generation implementation of classical computation embedded within quantum programs that enables the real-time calculation and adjustment of program variables based on the mid-circuit state of measured qubits. A full-featured Quantum Intermediate Representation (QIR) model is used to describe the quantum circuit including its embedded classical computation. This integrated approach eliminates the need to evaluate and store a potentially prohibitive volume of classical data within the quantum program in order to explore multiple solution paths. It enables a new type of quantum algorithm that requires fewer round-trips between an external classical driver program and the execution of the quantum program, significantly reducing computational latency, as much of the classical computation can be performed during the coherence time of quantum program execution. We review practical challenges to implementing this approach along with developments underway to address these challenges. An implementation of this novel and powerful quantum programming pattern, a random walk phase estimation algorithm, is demonstrated on a physical quantum computer with an analysis of its benefits and feasibility as compared to existing quantum computing methods.

    Comment: 13 pages, 5 figures
    Keywords Quantum Physics ; Computer Science - Emerging Technologies
    Subject code 005
    Publishing date 2022-06-26
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: RUSSIAN SOCIETY AND POWER ON THE EVE OF THE 2018 PRESIDENTIAL ELECTIONS (ROUND TABLE)

    Andrei Y. SHutov / Elena B. SHestopal / Aleksandr I. Solov'ev / Vladimir V. Petukhov / Elena S. Petrenko / Mikhail V. Mamonov / Aleksandr S. Barsenkov / Aleksei Y. Zudin / Sergei E. Zaslavskii / Boris I. Makarenko / Tat'yana A. SHtukina / Igor' I. Kuznetsov / YUliya D. Artamonova / Vasilii A. Zorin / Kirill O. Telin / Ekaterina P. Dobrynina / Maksim I. ZHestkov / Andrei L. Zverev / Tat'yana V. Evgen'eva /
    Natal'ya V. Smul'kina

    Вестник Московского государственного областного университета, Iss

    2018  Volume 1

    Abstract: In the format of the round table, which was organized on November 18, 2017, at the Department of Sociology and Psychology of Politics, Faculty of Political Science, Lomonosov Moscow State University, an expert discussion took place on the topic “Russian ... ...

    Abstract In the format of the round table, which was organized on November 18, 2017, at the Department of Sociology and Psychology of Politics, Faculty of Political Science, Lomonosov Moscow State University, an expert discussion took place on the topic “Russian society and power on the eve of 2018 presidential elections”. The main discussed issues were the psychological peculiarities of the Russian society in the context of presidential elections (the political demands of the Russians, the perception of the electoral process in the Russian society, political values) as well as the status of the elites on the eve of the 2018 presidential elections. The experts of the round table were sociologists and politologists from Lomonosov Moscow State University, Higher School of Economics, Chelyabinsk State University, Institute of Sociology of the Russian Academy of Sciences, “Public opinion” Fund, Russian Public Opinion Research Center (VCIOM), Center of Political Technology, Institute of Social-economic and Political Research, Center of Socio-political Projects and Communication. Representatives of the Council of Federation of the Federal Assembly of the Russian Federation, of the “Rossiyskaya Gazeta” and of the International News Agency “Rossiya Segodnya” also took part in the discussion.
    Keywords society ; political power ; Russian politics ; president ; the 2018 presidential elections ; political psychology ; Political science ; J
    Language Russian
    Publishing date 2018-03-01T00:00:00Z
    Publisher Moscow Region State University Editorial Office
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: COVID-19 in patients with chronic lymphocytic leukemia: a Moscow observational study.

    Kochneva, Оlga L / Kislova, Maria / Zhelnova, Evgenya I / Petrenko, Andrei A / Baryakh, Elena A / Yatskov, Konstantin V / Dmitrieva, Elena A / Misurina, Elena N / Nikitin, Konstantin E / Vasilieva, Elena J / Samsonova, Inna V / Ptushkin, Vadim V / Baranova, Ancha / Nikitin, Eugene A

    Leukemia & lymphoma

    2022  Volume 63, Issue 7, Page(s) 1607–1616

    Abstract: We describe a retrospective cohort, 156 patients with chronic lymphocytic leukemia (CLL) diagnosed with COVID-19, analyze factors associated with a severe disease course and the effects of various treatment regimens. Anti-SARS-CoV-2 IgG and IgM levels ... ...

    Abstract We describe a retrospective cohort, 156 patients with chronic lymphocytic leukemia (CLL) diagnosed with COVID-19, analyze factors associated with a severe disease course and the effects of various treatment regimens. Anti-SARS-CoV-2 IgG and IgM levels are significantly lower. Patients with CLL are more likely to have a severe course of COVID-19, with IL-6 levels acting as a consistent biomarker of disease severity. Ten patients had recurrent episodes, fatality rate of 20%. Overall survival did not differ between patients receiving ibrutinib monotherapy and anti-CD20 antibodies ± chemotherapy. It seems that the immunodeficiency inherent to CLL influences outcomes to a larger degree than does the treatment. Glucocorticoids are not associated with significant OS improvement whereas anti-cytokine compounds usage seemed to be beneficial in patients with mild pulmonary involvement. Our data attest to the necessity of reorganizing health care for patients with CLL. Early administration of effective antiviral compounds and tailored vaccination protocols are warranted.
    MeSH term(s) COVID-19/epidemiology ; Humans ; Leukemia, Lymphocytic, Chronic, B-Cell/diagnosis ; Leukemia, Lymphocytic, Chronic, B-Cell/drug therapy ; Leukemia, Lymphocytic, Chronic, B-Cell/epidemiology ; Moscow ; Retrospective Studies
    Language English
    Publishing date 2022-02-13
    Publishing country United States
    Document type Journal Article ; Observational Study
    ZDB-ID 1042374-6
    ISSN 1029-2403 ; 1042-8194
    ISSN (online) 1029-2403
    ISSN 1042-8194
    DOI 10.1080/10428194.2022.2034157
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Unaltered pain-related behavior in mice lacking NMDA receptor GluRepsilon 1 subunit.

    Petrenko, Andrei B / Yamakura, Tomohiro / Baba, Hiroshi / Sakimura, Kenji

    Neuroscience research

    2003  Volume 46, Issue 2, Page(s) 199–204

    Abstract: Noxious afferent input following tissue damage and inflammation triggers a state of neuronal hyperexcitability-a phenomenon of central sensitization-which manifests behaviorally as allodynia and hyperalgesia. At the molecular level, maintenance of ... ...

    Abstract Noxious afferent input following tissue damage and inflammation triggers a state of neuronal hyperexcitability-a phenomenon of central sensitization-which manifests behaviorally as allodynia and hyperalgesia. At the molecular level, maintenance of central sensitization is largely dependent on the N-methyl-D-aspartate receptor (NMDAR) activation. NMDARs are composed of GluRzeta1 (NR1) and one of four GluRepsilon (NR2) subunits, which determine the functional properties of native NMDARs. Although there is accumulating evidence to implicate GluRepsilon 2-containing NMDARs in pain mechanisms, the functional significance of GluRepsilon 1-containing NMDARs in this setting has not been examined in detail. Here, we used hind paw injection of formalin, complete Freund's adjuvant and a nerve injury model to investigate the effects of GluRepsilon 1 subunit gene deletion on pain-related behavior in mice. In all of the models tested, GluRepsilon 1-deficient mice exhibited responses similar to wild-type controls. These results suggest that GluRepsilon 1 disruption does not result in altered nociceptive behavior in mice. Although the contribution of other nociceptive pathways cannot be ruled out, we speculate that the preserved function of GluRepsilon 2-containing NMDARs could explain unaltered nociceptive behavior in mutant mice.
    MeSH term(s) Animals ; Axotomy ; Behavior, Animal/physiology ; Blotting, Western ; Formaldehyde/pharmacology ; Freund's Adjuvant/pharmacology ; Hindlimb/drug effects ; Hindlimb/innervation ; Hindlimb/physiology ; Irritants/pharmacology ; Male ; Mice ; Mice, Knockout ; Nociceptors/metabolism ; Pain/genetics ; Pain/metabolism ; Pain Measurement ; Pain Threshold/physiology ; Physical Stimulation ; Reaction Time/genetics ; Receptors, N-Methyl-D-Aspartate/deficiency ; Receptors, N-Methyl-D-Aspartate/genetics ; Receptors, N-Methyl-D-Aspartate/metabolism
    Chemical Substances Irritants ; NR2A NMDA receptor ; NR2B NMDA receptor ; Receptors, N-Methyl-D-Aspartate ; Formaldehyde (1HG84L3525) ; Freund's Adjuvant (9007-81-2)
    Language English
    Publishing date 2003-04-28
    Publishing country Ireland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 605842-5
    ISSN 1872-8111 ; 0168-0102 ; 0921-8696
    ISSN (online) 1872-8111
    ISSN 0168-0102 ; 0921-8696
    DOI 10.1016/s0168-0102(03)00061-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: The role of N-methyl-D-aspartate (NMDA) receptors in pain: a review.

    Petrenko, Andrei B / Yamakura, Tomohiro / Baba, Hiroshi / Shimoji, Koki

    Anesthesia and analgesia

    2001  Volume 97, Issue 4, Page(s) 1108–1116

    Abstract: ... mediate peripheral sensitization and visceral pain. NMDA receptors are composed of NR1, NR2 (A, B, C, and ... D), and NR3 (A and B) subunits, which determine the functional properties of native NMDA receptors ...

    Abstract There is accumulating evidence to implicate the importance of N-methyl-D-aspartate (NMDA) receptors to the induction and maintenance of central sensitization during pain states. However, NMDA receptors may also mediate peripheral sensitization and visceral pain. NMDA receptors are composed of NR1, NR2 (A, B, C, and D), and NR3 (A and B) subunits, which determine the functional properties of native NMDA receptors. Among NMDA receptor subtypes, the NR2B subunit-containing receptors appear particularly important for nociception, thus leading to the possibility that NR2B-selective antagonists may be useful in the treatment of chronic pain.
    MeSH term(s) Animals ; Central Nervous System/drug effects ; Chronic Disease ; Excitatory Amino Acid Agonists/administration & dosage ; Excitatory Amino Acid Agonists/pharmacology ; Humans ; Pain/physiopathology ; Peripheral Nervous System/drug effects ; Receptors, N-Methyl-D-Aspartate/drug effects ; Receptors, N-Methyl-D-Aspartate/metabolism ; Receptors, N-Methyl-D-Aspartate/physiology
    Chemical Substances Excitatory Amino Acid Agonists ; Receptors, N-Methyl-D-Aspartate
    Language English
    Publishing date 2001-06-08
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 80032-6
    ISSN 1526-7598 ; 0003-2999
    ISSN (online) 1526-7598
    ISSN 0003-2999
    DOI 10.1213/01.ANE.0000081061.12235.55
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Extending the lifetime of a quantum bit with error correction in superconducting circuits.

    Ofek, Nissim / Petrenko, Andrei / Heeres, Reinier / Reinhold, Philip / Leghtas, Zaki / Vlastakis, Brian / Liu, Yehan / Frunzio, Luigi / Girvin, S M / Jiang, L / Mirrahimi, Mazyar / Devoret, M H / Schoelkopf, R J

    Nature

    2016  Volume 536, Issue 7617, Page(s) 441–445

    Abstract: Quantum error correction (QEC) can overcome the errors experienced by qubits and is therefore an essential component of a future quantum computer. To implement QEC, a qubit is redundantly encoded in a higher-dimensional space using quantum states with ... ...

    Abstract Quantum error correction (QEC) can overcome the errors experienced by qubits and is therefore an essential component of a future quantum computer. To implement QEC, a qubit is redundantly encoded in a higher-dimensional space using quantum states with carefully tailored symmetry properties. Projective measurements of these parity-type observables provide error syndrome information, with which errors can be corrected via simple operations. The 'break-even' point of QEC--at which the lifetime of a qubit exceeds the lifetime of the constituents of the system--has so far remained out of reach. Although previous works have demonstrated elements of QEC, they primarily illustrate the signatures or scaling properties of QEC codes rather than test the capacity of the system to preserve a qubit over time. Here we demonstrate a QEC system that reaches the break-even point by suppressing the natural errors due to energy loss for a qubit logically encoded in superpositions of Schrödinger-cat states of a superconducting resonator. We implement a full QEC protocol by using real-time feedback to encode, monitor naturally occurring errors, decode and correct. As measured by full process tomography, without any post-selection, the corrected qubit lifetime is 320 microseconds, which is longer than the lifetime of any of the parts of the system: 20 times longer than the lifetime of the transmon, about 2.2 times longer than the lifetime of an uncorrected logical encoding and about 1.1 longer than the lifetime of the best physical qubit (the |0〉f and |1〉f Fock states of the resonator). Our results illustrate the benefit of using hardware-efficient qubit encodings rather than traditional QEC schemes. Furthermore, they advance the field of experimental error correction from confirming basic concepts to exploring the metrics that drive system performance and the challenges in realizing a fault-tolerant system.
    Language English
    Publishing date 2016--25
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 120714-3
    ISSN 1476-4687 ; 0028-0836
    ISSN (online) 1476-4687
    ISSN 0028-0836
    DOI 10.1038/nature18949
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Characterizing entanglement of an artificial atom and a cavity cat state with Bell's inequality.

    Vlastakis, Brian / Petrenko, Andrei / Ofek, Nissim / Sun, Luyan / Leghtas, Zaki / Sliwa, Katrina / Liu, Yehan / Hatridge, Michael / Blumoff, Jacob / Frunzio, Luigi / Mirrahimi, Mazyar / Jiang, Liang / Devoret, M H / Schoelkopf, R J

    Nature communications

    2015  Volume 6, Page(s) 8970

    Abstract: The Schrodinger's cat thought experiment highlights the counterintuitive concept of entanglement in macroscopically distinguishable systems. The hallmark of entanglement is the detection of strong correlations between systems, most starkly demonstrated ... ...

    Abstract The Schrodinger's cat thought experiment highlights the counterintuitive concept of entanglement in macroscopically distinguishable systems. The hallmark of entanglement is the detection of strong correlations between systems, most starkly demonstrated by the violation of a Bell inequality. No violation of a Bell inequality has been observed for a system entangled with a superposition of coherent states, known as a cat state. Here we use the Clauser-Horne-Shimony-Holt formulation of a Bell test to characterize entanglement between an artificial atom and a cat state, or a Bell-cat. Using superconducting circuits with high-fidelity measurements and real-time feedback, we detect correlations that surpass the classical maximum of the Bell inequality. We investigate the influence of decoherence with states up to 16 photons in size and characterize the system by introducing joint Wigner tomography. Such techniques demonstrate that information stored in superpositions of coherent states can be extracted efficiently, a crucial requirement for quantum computing with resonators.
    Language English
    Publishing date 2015-11-27
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ISSN 2041-1723
    ISSN (online) 2041-1723
    DOI 10.1038/ncomms9970
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Pandemia COVID-19

    Andrei V. Abramov / Vardan E. Bagdasaryan / Stanislav O. Byshok / Sergei V. Volodenkov / Dmitry G. Evstafiev / Vladimir G. Egorov / Natal'ya A. Komleva / Natal'ya S. Kramarenko / Andrei V. Manoilo / Oleg M. Mikhailenok / Anatoly I. Petrenko / Vyacheslav F. Prokofiev

    Вестник Московского государственного областного университета, Iss

    The end of the familiar world?

    2020  Volume 2

    Abstract: ... the first President B. N. Yeltsin, Academy of Social Management, International Organization for Election ...

    Abstract Abstract At the round table organized by the electronic journal Bulletin of Moscow Region State University, a discussion of the COVID-19 pandemic impact on the modern world that is familiar to us was held. The main topics of discussion were: assessment of the psychological state of people in Russia and other countries, their reaction to anti-epidemic measures taken by governments; identification of changes in the social, economic, political spheres, as well as in the areas of digitalization and education, brought by pandemic; forecasting geopolitical and geoeconomic shifts that may occur in the world; determination of the place of Russia in the future world order. The experts at the round table were political scientists from Lomonosov Moscow State University, Higher School of Economics, Institute of Sociology of the Federal Scientific Research Sociological Center of the Russian Academy of Sciences, Ural Federal University named after the first President B. N. Yeltsin, Academy of Social Management, International Organization for Election Monitoring CIS-EMO, Moscow Region State University.
    Keywords COVID-19 pandemic ; coronavirus ; geopolitics ; world development models ; political psychology ; Euroscepticism ; Political science ; J ; covid19
    Subject code 300
    Language Russian
    Publishing date 2020-01-01T00:00:00Z
    Publisher Moscow Region State University Editorial Office
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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