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BER Performance of Finite in Time Optimal FTN Signals for the Viterbi Algorithm

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Journal of Electronic Science and Technology 2020年第1期18卷 42-51页

作者： Sergey B.Makarov ilya I.Lavrenyuk Anna S.Ovsyannikova Sergey V.Zavjalov Higher School of Applied Physics and Space Technologies Peter the Great St.Petersburg Polytechnic UniversitySt.Petersburg 195251

In this article, we consider the faster than Nyquist(FTN) technology in aspects of the application of the Viterbi algorithm(VA). Finite in time optimal FTN signals are used to provide a symbol rate higher than the "Nyquist barrier" without any encoding. These signals are obtained as the solutions of the corresponding optimization problem. Optimal signals are characterized by intersymbol interference(ISI). This fact leads to significant bit error rate(BER) performance degradation for "classical" forms of signals. However, ISI can be controlled by the restriction of the optimization problem. So we can use optimal signals in conditions of increased duration and an increased symbol rate without significant energy losses. The additional symbol rate increase leads to the increase of the reception algorithm complexity. We consider the application of VA for optimal FTN signals reception. The application of VA for receiving optimal FTN signals with increased duration provides close to the potential performance of BER,while the symbol rate is twice above the Nyquist limit.

关键词： Bit error rate(BER)performance faster than Nyquist(FTN) Nyquist limit optimal signals Viterbi algorithm(VA)

Findings on intraprocedural non-contrast computed tomographic imaging following hepatic artery embolization are associated with development of contrast-induced nephropathy

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World Journal of Nephrology 2020年第2期9卷 33-42页

作者： Mohamed M Soliman Debkumar Sarkar ilya Glezerman Majid Maybody Interventional Radiology Service Memorial Sloan Kettering Cancer CenterNew YorkNY 10065United States Department of Medicine Memorial Sloan Kettering Cancer CenterNew YorkNY 10065United States

BACKGROUND Contrast-induced nephropathy(CIN)is a reversible form of acute kidney injury that occurs within 48-72 h of exposure to intravascular contrast *** is the third leading cause of hospital-acquired acute kidney injury and accounts for 12%of such *** factors for CIN development can be divided into patientand *** former includes pre-existing chronic renal insufficiency and diabetes *** latter includes high contrast volume and repeated exposure over 72 *** incidence of CIN is relatively low(up to 5%)in patients with intact renal ***,in patients with known chronic renal insufficiency,the incidence can reach up to 27%.AIM To examine the association between renal enhancement pattern on non-contrast enhanced computed tomographic(CT)images obtained immediately following hepatic artery embolization with development of *** Retrospective review of all patients who underwent hepatic artery embolization between 01/2010 and 01/2011(n=162)was *** without intraprocedural CT imaging(n=51),combined embolization/ablation(n=6)and those with chronic kidney disease(n=21)were *** study group comprised of 84 patients with 106 *** was defined as 25%increase above baseline serum creatinine or absolute increase≥0.5 mg/dL within 72 h ***-embolization CT was reviewed for renal enhancement patterns and presence of renal artery *** association between noncontrast CT findings and CIN development was examined by Fisher’s Exact *** CIN occurred in 11/106(10.3%)procedures(Group A,n=10).The renal enhancement pattern in patients who did not experience CIN(Group B,n=74 with 95/106 procedures)was late excretory in 93/95(98%)and early excretory(EE)in 2/95(2%).However,in Group A,there was a significantly higher rate of EE pattern(6/11,55%)compared to late excretory pattern(5/11)(P<0.001).A significantly higher percentage of patients that developed CIN had re

关键词： Hepatic artery embolization Non-contrast computed tomographic Contrastinduced nephropathy Renal enhancement pattern Intra-arterial Renal artery calcification

A Study of the Velocity Field of Liquid Sodium in a Toroidal Channel

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Journal of Iron and Steel Research International 2012年第S1期19卷 592-595页

作者： RUSLAN Khalilov ilya Kolesnichenko RODION Stepanov Institute of Continuous Media Mechanics UB RAS Perm 614013Russia

The velocity field of liquid sodium in a toroidal channel is *** measurements are made using the magnetic induction *** proposed technique involves two steps:an external alternating magnetic field of certain frequency is induced in the channel;then the measurements of the resulting magnetic field are used to reconstruct the velocity profile.

关键词： toroidal channel liquid sodium reconstruct velocity profile

Pitfalls and promises of bile duct alternatives:There is plenty of room in the regenerative surgery

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World Journal of Gastroenterology 2023年第30期29卷 4701-4705页

作者： ilya D Klabukov Denis S Baranovskii Peter V Shegay Andrey D Kaprin Department of Regenerative Medicine National Medical Research Radiological Center of the Ministry of Health of the Russian FederationObninsk 249036Russia Center for Innovative Radiological and Regenerative Technologies National Medical Research Radiological Center of the Ministry of Health of the Russian FederationObninsk 249036Russia

Current abdominal surgery has several approaches for biliary ***,the creation of functional and clinically applicable bile duct substitutes still represents an unmet *** the paper by Miyazawa and colleagues,approaches to the creation of bile duct alternatives were summarized,and the reasons for the lack of development in this area were *** history of bile duct surgery since the nineteenth century was also traced,leading to the conclusion that the use of bioabsorbable materials holds promise for the creation of bile duct substitutes in the *** suggest three ideas that may stimulate progress in the field of bile duct substitute ***,a systematic analysis of the causative factors leading to failure or success in the creation of bile duct substitutes may help to develop more effective ***,the regeneration of a bile duct is delicately balanced between epithelialization and subsequent submucosal maturation within limited time frames,which may be more apparent when using quantitative models to estimate ***,the utilization of the organism’s endogenous regeneration abilities may enhance the creation of bile duct *** are convinced that an interdisciplinary approach,including quantitative methods,machine learning,and deep retrospective analysis of the causes that led to success and failure in studies on the creation of bile duct substitutes,holds great ***,more attention should be directed towards the balance of epithelialization and submucosal maturation rates,as well as induced *** ideas deserve further investigation to pave the way for bile duct restoration with physiologically relevant outcomes.

关键词： Bile duct alternative Bile duct substitute Regenerative medicine Regene rative surgery Theoretical surgery Quantitative human physiology

The IL13α 2R paves the way for anti-glioma nanotherapy

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Genes & Diseases 2023年第1期10卷 89-100页

作者： ilya V.Ulasov Anton Borovjagin Anastasia Laevskaya Margarita Kamynina Peter Timashev Laura Cerchia Elena A.Rozhkova Group of Experimental Biotherapy and Diagnostic Institute for Regenerative MedicineWorld-Class Research Center"Digital Biodesign and Personalized Healthcare"Sechenov First Moscow State Medical University(Sechenov University)8-2 Trubetskaya St.Moscow 119991Russia Department of BioMedical Engineering University of Alabama at BirminghamBirminghamAL 35294USA Institute for Regenerative Medicine World-Class Research Center"Digital Biodesign and Personalized Healthcare"Sechenov First Moscow State Medical University(Sechenov University)8-2 Trubetskaya St.Moscow119991Russia Department of Polymers and Composites N.N.Semenov Institute of Chemical Physics4 Kosygin StMoscow119991Russia Chemistry Department Lomonosov Moscow State UniversityLeninskiye Gory 1-3Moscow 119991Russia Institute of Experimental Endocrinology and Oncology"G.Salvatore"”(IEOS) National Research Council(CNR)Naples 80131Italy Center for Nanoscale Materials Argonne National LaboratoryArgonneIL 60439USA

Glioblastoma(GBM)is one of the most aggressive(grade IV)gliomas characterized by a high rate of recurrence,resistance to therapy and a grim survival *** long-awaited improvement in GBM patients'survival rates essentially depends on advances in the development of new therapeutic *** preclinical studies show that nanoscale materials could greatly contribute to the improvement of diagnosis and management of brain *** the current review,we will discuss how specific features of glioma pathobiology can be employed for designing efficient targeting ***,we willsummarize the main evidence for the potential of the IL-13R alpha 2 receptor(IL13α2R)targeting in GBM early diagnosis and experimental therapy.

关键词： Braintumor Experimental therapy GBM IL-13Ra.2 Nanoparticles Receptor Viral vectors

Evaluating the effectiveness of DNA barcoding for genetic identification of Canthocamptidae (Harpacticoida, Copepoda) of Lake Baikal

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Zoological Systematics 2024年第4期49卷 285-298页

作者： Elena Fefilova Aleksandr Novikov Elizaveta Popova Maksim Golubev Aleksandra Bakashkina ilya Velegzhaninov Institute of Biology Komi Scientific CentreUral Branch of the Russian Academy of Sciences28 Kommunisticheskaya StSyktyvkar 167982Russia Kazan Federal University 18 Kremlyovskaya420008 KazanRussia Pitirim Sorokin Syktyvkar State University 55 Oktyabrskyi Ave.Syktyvkar 167001Russia

Ancient Lake Baikal(LB)is the prime hotspot of the harpacticoid *** Canthocamptidae harpacticoids in the lake can be considered at least six species *** lacks of unequivocal diagnostic characters in the family species description often lead species identification to an *** developed molecular techniques provide a powerful tool to subject copepod taxa to comparative *** order to provide a new base for canthocamp-tids taxonomy and clarify the systematic in some species flocks,we analyzed the mitochondrial DNA marker COI of 103 harpacticoid specimens from LB belonging to five *** materials were obtained from different lake basins from the depths 0.2-1632 *** DNA barcoding,we identified 23 genetic species or groups of species,it was almost 1.5 times less than number of morphological species,and divergence of some molecular lineages were not corresponding to morphological *** of our study were the discovery of a new species,males of some morphological species,for which only females were previously described,clarification of the level of morphological variability of some species,***,it became apparent that morphological and genetic harpacticoid species diversity in LB differ significantly and it has to be detected strictly in complex.

关键词： Harpacticoid copepods species identification COI mtDNA molecular analysis Baikalian endemics Bayesian analysis

Humans identify negative （but not positive） arousal in silver fox vocalizations： implications for the adaptive value of interspecific eavesdropping

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Current Zoology 2017年第4期63卷 445-456页

作者： Piera FILIPPI Svetlana S. GOGOLEVA Elena V. VOLODINA ilya A. VOLODIN Bart de BOER Artificial Intelligence Laboratory Department of Computer Science Faculty of Science Vrije Universiteit Brussel Pleinlaan 2 1050 Brussels Belgium Brain and Language Research Institute Aix-Marseille University Avenue Pasteur 5 13604 Aix-en-Provence France Max Planck Institute for Psycholinguistics Department of Language and Cognition Wundtlaan 1 6525 XD Nijmegen The Netherlands Department of Vertebrate Zoology Faculty of Biology Lomonosov Moscow State University Vorobievy Gory 1/12 119991 Moscow Russia Scientific Research Department Moscow Zoo B. Gruzinskaya 1 123242 Moscow Russia

The ability to identify emotional arousal in heterospecific vocalizations may facilitate behaviors that increase survival opportunities. Crucially, this ability may orient inter-species interactions, par- ticularly between humans and other species. Research shows that humans identify emotional arousal in vocalizations across multiple species, such as cats, dogs, and piglets. However, no previ- ous study has addressed humans＂ ability to identify emotional arousal in silver foxes. Here, we adopted low- and high-arousal calls emitted by three strains of silver fox--Tame, Aggressive, and Unselected--in response to human approach. Tame and Aggressive foxes are genetically selected for friendly and attacking behaviors toward humans, respectively. Unselected foxes show aggres- sive and fearful behaviors toward humans. These three strains show similar levels of emotional arousal, but different levels of emotional valence in relation to humans. This emotional information is reflected in the acoustic features of the calls. Our data suggest that humans can identify high- arousal calls of Aggressive and Unselected foxes, but not of Tame foxes. Further analyses revealed that, although within each strain different acoustic parameters affect human accuracy in identifying high-arousal calls, spectral center of gravity, harmonic-to-noise ratio, and F0 best predict humans＇ ability to discriminate high-arousal calls across all strains. Furthermore, we identified in spectral center of gravity and F0 the best predictors for humans＇ absolute ratings of arousal in each call. Implications for research on the adaptive value of inter-specific eavesdropping are discussed.

关键词： eavesdropping emotional arousal emotional valence inter-species communication silver foxes vocal communication.

Risk factors and urinary biomarkers of non-albuminuric and albuminuric chronic kidney disease in patients with type 2 diabetes

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World Journal of Diabetes 2019年第11期10卷 517-533页

作者： Anton I Korbut Vadim V Klimontov ilya V Vinogradov Vyacheslav V Romanov Laboratory of Endocrinology Research Institute of Clinical and Experimental Lymphology-Branch of the Institute of Cytology and GeneticsSiberian Branch of Russian Academy of Sciences(RICEL-Branch of IC&G SB RAS)Novosibirsk 630060Russia Clinical Laboratory “MBU-Technology”ltd.Novosibirsk 630090Russia

BACKGROUND A number of recent studies indicate a transformation in the natural course of chronic kidney disease(CKD)in type 2 diabetes(T2D)patients:an increasing prevalence of declined renal function without proceeding to the accompanying elevation of *** has been suggested that albuminuric and nonalbuminuric CKD patterns could be different in their phenotypes and pathogenic *** To identify the risk factors and biomarkers of albuminuric and non-albuminuric patterns of CKD in patients with *** Three hundred sixty patients with T2D duration≥10 years were included in this observational cross-sectional *** associations of a panel of demographic and clinical characteristics,complications,comorbidities,and metabolic and hematology parameters with albuminuric and non-albuminuric CKD patterns were *** urinary excretion of nephrin and podocin,two podocytespecific markers,and WAP-four-disulfide core domain protein 2(WFDC-2),a marker of tubulointerstitial fibrosis,was determined by ELISA in comparison with healthy *** Non-albuminuric CKD was associated with age≥65 years(P=0.0001),female sex(P=0.04),diabetes duration≥15 years(P=0.0009),and the use of diuretics(P=0.0005).Male sex(P=0.01),smoking(P=0.01),waist-to-hip ratio>1.0(P=0.01)and hemoglobin A1c(HbA1c)>8.0%(P=0.005)were risk factors for elevated albuminuria not accompanied by a decrease in estimated glomerular filtration rate(eGFR).Duration of diabetes≥15 years and the use of calcium channel blockers were risk factors for albuminuria with decreased eGFR(both P=0.01).In multivariate logistic regression analysis,age,HbA1c,female sex and diuretics were significant predictors for reduced eGFR,while waist-to-hip ratio,HbA1c and male sex were associated with elevated urinary albumin-to-creatinine ratio(UACR).Excretion of nephrin and podocin was increased in patients with albuminuria,regardless of decline in renal function(P<0.001),correlating positively with *** urin

关键词： Diabetes mellitus Chronic kidney disease Albuminuria Glomerular filtration rate Podocytes Risk factors Biomarkers

Structural correlation and chemistry of molten NaF-ScF_(3) with dissolved metal aluminium:TG/DTA,XRD,NMR and molecular dynamics simulations

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Rare Metals 2024年第7期43卷 3356-3369页

作者： Aydar Rakhmatullin Frantisek Simko Didier Zanghi Zuzana Netriová ilya BPolovov Ayrat Dimiev Konstantin V.Maksimtsev Catherine Bessada Michal Korenko Conditions Extrêmes et Materiaux:Haute Température et Irradiation CEMHTIUPR 3079-CNRS Univ Orleans45071 OrleansFrance Department of Molten Systems Institute of Inorganic ChemistrySlovak Academy of Sciences84536 BratislavaSlovakia Centre of Excellence for Advanced Materials Application-CEMEA Slovak Academy of Sciences84511Bratislava.Slovakia Department of Rare Metals and Nanomaterials Institute of Physics and TechnologyUral Federal UniversityUral Federal University620002 EkaterinburgRussia Alexander Butlerov Institute of Chemistry Kazan Federal University420008KazanRussia

For the first time,the mechanism of metal aluminum dissolution in NaF-ScF_(3) eutectic melts and the chemical interaction between the constituents of this mixture have been thoroughly studied by a combination of differential thermal analysis(DTA),high temperature and solid-state nuclear magnetic resonance(NMR),and X-ray diffraction(XRD) coupled with the molecular dynamic *** formation of an insoluble Al_(3)Sc alloy in molten(NaF-ScF_(3))_(eut)system was proven,and the chemical mechanism of this aluminothermic Al_(3)Sc alloy production was *** ex situ examinations bring to light the formation of NaScF_4 and solid solution of Na_(3)(Al,Sc)F_(6) in cooled *** molecular dynamics calculations of the bath allow us to construct the structural model and to predict viscosity,density and electrical conductivity of the reagent melt to help to optimize the conditions of the alloy synthesis.

关键词： Scandium Alloy Molten salts NMR Molecular dynamics