1,998 research outputs found
TO THE JUBILEE OF PROFESSOR STEPANOVA ELEONORA FEDOROVNA
No full textThe article is devoted to the anniversary of Professor Eleonora Fedorovna Stepanova – a bright representative of the Russian intelligentsia: a talented lecturer, an inventor, an author of numerous books, an internationally recognized scholar
Hymenomonas uralensis Ignatenko & Yatsenko-Stepanova 2023, sp. nov.
No full text<i>Hymenomonas uralensis</i> Ignatenko & Yatsenko-Stepanova <i>sp. nov.</i> (Fig. 15) <p>Coccoliths are elliptical muroliths. Each coccoliths composed of an organic base plate and calcified elements. The base of the coccolith (0.93–1.2 × 0.8–0.96 µm, n=15) has a jagged edge, followed by a tubular part with more or less straight sides and the expanding part (1.3–1.6 × 0.97–1.3 µm) is formed by overlapping elements. The height of the coccolith is 0.36–0.51 µm, the width of the rim is 0.22–0.3 µm. In most coccoliths a single rim element at each end of the coccolith is extended distally as a rectangular block protruding above the rim (width 0.18–0.33 µm, height 0.25–0.43 µm).</p> <p> <b>Type:</b> —The specimen with <i>Hymenomonas uralensis</i> coccoliths on SEM stub number 49_I_3 deposited at the Herbarium of the Steppe Institute of the Ural Branch of the Russian Academy of Sciences, Orenburg (ORIS). Material from the Ural River (51°25ʼ55”N, 56°28ʼ58”E), Orenburg Region, Russia. Sample collected 27th of July, 2021, by M. Ignatenko.</p> <p> <b>Type Locality:</b> —RUSSIA: Orenburg region, Ural River. 51°25ʼ55”N, 56°28ʼ58”E. 27 July 2021.</p> <p> <b>Etymology:</b> — <i>Hymenomonas uralensis</i> is named after the Ural River, where this species was discovered.</p> <p> <b>Distribution:</b> —Besides the type locality this species was found from the backwater of the Ural River in the vicinity of the Nikolskoye village (see Table 2).</p>Published as part of <i>Ignatenko, Marina & Yatsenko-Stepanova, Tatyana, 2023, Coccolithophores in the algal flora from South Urals (Russia) with the description of a new Hymenomonas species, pp. 55-64 in Phytotaxa 609 (1)</i> on pages 60-61, DOI: 10.11646/phytotaxa.609.1.5, <a href="http://zenodo.org/record/8254620">http://zenodo.org/record/8254620</a>
Salix acutifolia f. pendula (Salicaceae) - a new form
No full textA new form, Salix acutifolia f. pendula I. V. Belyaeva, N. Y. Stepanova et O. V. Epanch., is described and its distribution is given. Existing confusion between the names, S. acutifolia ‘Duschanbensis’, S. acutifolia ‘Pendula’, S. acutifolia ‘Moscow Cascade’, S. acutifolia var. duschanbensis and S. acutifolia [unranked] pendula is clarified
L'espressività religiosa nella produzione poetica e nella prosa russa contemporanea: Ol'ga Sedakova e Marija Stepanova
No full textLa ricerca si pone l’obiettivo di studiare la portata della “espressività religiosa” nelle opere letterarie in prosa e in versi di Ol’ga Sedakova (n. 1949) e da Marija Stepanova (n. 1972), due figure centrali del panorama letterario russo contemporaneo. La nozione di “espressività religiosa”, che richiede una precisa prassi definitoria volta a circoscrivere l’aspetto lessicale, sintagmatico e fraseologico della religiosità, nella lingua letteraria russa contemporanea rappresenta una chiave di lettura che permette di individuare le coordinate attraverso cui il portato religioso trova una sua attuazione testuale. A questo scopo, sia l’individuazione della matrice slavo-ecclesiastica, sia il riconoscimento della funzione del referente biblico (neo e veterotestamentario) assumono un ruolo di fondamentale importante per comprendere come i le forme espressive della memoria religiose siano state modellati nelle opere delle due autrici.
La ricerca, dopo una presentazione che definisce i termini metodologici e tipologici adottati, si suddivide in due parti, dedicate alle opere delle due autrici. Ciascuna parte affronta, nel primo capitolo, le opere in versi, dalle prime pubblicazioni a quelle della maturità: per quanto riguarda Sedakova, l’arco temporale abbraccia un periodo pluridecennale, dalle prime pubblicazioni, comparse in samizdat e risalenti agli inizi degli anni Settanta, agli ultimi versi dei primi anni Duemila; i versi di Stepanova presi in esame, invece, appaiono a partire dal 2001 fino alle più recenti pubblicazioni del 2020. Se nel primo caso è possibile rilevare la permeanza della componente biblica e della tradizione scrittoria sacra nel corpus fin dalle suo origini, nel caso di Stepanova l’espressività religiosa diventa parte di un’esplorazione delle molteplici alterità dell’io. Il secondo capitolo di ciascuna parte si sofferma sui racconti di Sedakova (risalenti agli anni Ottanta e al 2005) e sul celebre romanzo di Stepanova, Pamjati pamjati: se nel primo caso le forme espressive del religioso diventano parte integrante della narrazione del quotidiano, nella sua accezione terrena e storica, narrato in racconti tutto sommato brevi e di carattere autobiografico; in Pamjati pamjati l’intertestualità biblica e il lessico dell’ebraismo dell’Oriente europeo all’interno di una ricostruzione mnestica del passato, inteso come personale, familiare e culturale. Un terzo e ultimo capitolo è riservato, in entrambe le parti, all’opera traduttoria: mentre Sedakova dedica alle traduzioni, che abbracciano tipologia testuali molto diverse, dalla tradizione scrittoria slava ecclesiastica, alla Commedia di Dante e alla poesia novecentesca, ma accumunate da un evidente referente religioso, Stepanova traduce dall’inglese, una poesia di E.E. Cummings e alcuni versi di S. Smith, reinterpretando, in entrambi i casi, i testi in una riscrittura evocativa, che pone l’accento sulla componente spirituale
Structural Analysis with Visualization Elements as a Factor in the Development of the Commercial Real Estate Market
No full textThis paper presents a universal method of structural analysis of the commercial real estate market with a detailed step-by-step analysis. For example, the analysis was carried out based on commercial real estate in the city of Ekaterinburg. The method is unique in creating visual content that is a map of typical territorial zones of the city of Ekaterinburg. The analysis method also includes the classical structuring of information in the form of tables and diagrams based on real offers for the sale and lease of real estate. The authors formulated forecasts for each segment of the commercial real estate market. Based on this work, anyone can conduct a similar analysis in their city or use it as a base for creating a visualization of the territory according to the zoning given in the work. Having information structured in this way will make it easier to evaluate real estate objects by their real environment
Functional tests in children with type 1 diabetes and their correlation with hemoglobin A1c levels
No full text
Functional tests in children with type 1 diabetes and their correlation with hemoglobin A1c levels
V.R. Abdulina, I.S. Stepanova
Kazakhstan Russian Medical University, Almaty, Kazakhstan
Aim: to assess correlations between ocular ultrasound (US) biometry and optical coherence tomography (OCT) and hemoglobin A1c (HbA1c) in children with type 1 diabetes (T1D).
Patients and Methods: 79 children were enrolled. The control group included 52 age-matched healthy children. Axial length (AL, mm) and lens thickness (LT, mm) were measured by US. Central corneal thickness (CCT) and central macular thickness (CMT) were measured by OCT (Cirrus 2000, Carl Zeiss Meditec, Germany). Correlation analysis to assess the relationship between HbA1c, US, and OCT was performed.
Results: 55.7% of the participants were boys (n=44) and 44.3% were girls (n=35). Children were assigned into six groups depending on HbA1c levels. Group 1 (HbA1c <6.0%) included 8 children, group 2 (HbA1c 6.1–7.0%) 29 children, group 3 (HbA1c 7.1–8.0%) 21 children, group 4 (HbA1c 8.1–9.0%) 8 children, group 5 (HbA1c 9.1–10%) 5 children, and group 6 (HbA1c >10%) 8 children. The mean AL was 22.7±1.1 mm. The greatest AL was reported in groups 2 and 4, while the least AL was reported in groups 3 and 6. The greatest LT was reported in groups 4 and 6. In group 1, LT was similar to those in the control group. In all groups but group 2, CCT was greater than in controls. CMT demonstrated a negative correlation with HbA1c levels in the study groups. CMT was the greatest in children with T1D of 5 years’ duration.
Conclusion: in children with T1D, US and OCT findings correlate with HbA1c levels and T1D duration. Ocular biometry, CCT, and CMT measurements are useful tests illustrating the level of compensation of systemic disease. Dynamic assessment of these parameters will help develop indicators of diabetic retinopathy in children with T1D.
Keywords: diabetes, ultrasound, optical coherence tomography, glycated hemoglobin.
For citation: Abdulina V.R., Stepanova I.S. Functional tests in children with type 1 diabetes and their correlation with hemoglobin A1c levels. Russian Journal of Clinical Ophthalmology. 2022;22(2):99–102 (in Russ.). DOI: 10.32364/2311-7729-2022-22-2-99-102.
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(Table 3) Variation of maximal gold concentrations in sulfide aggregates vs. hole depth within the TAG hydrothermal mound
No full text>0 = traces
New Labour 'Ethical' Foreign Policy
No full textAbstract: The article discusses problems and contradictions associated with the attempt of the Labour Party under the leadership of Tony Blair to start a 'new era' in international relations by putting the 'ethical dimension' into the heart of their foreign policy. Indeed, having come to power and possessing great credibility among the British society, New Labour undertook a number of actions, which marked the formal break with the practices of the previous governments. Thus, they shifted the focus from the foreign trade interests to human rights considerations on the international arena, introduced innovations in the field of international aid and development of poor countries, declared the priority of so-called 'advanced' national interests. These solutions, however, have led to some ambiguous results. The author argues that, on the one hand, the Labour Party 'new' foreign policy was a tribute to the historical tradition and continuity and on the other - the spirit of the times, as other Western countries leaders claimed similar statements, and that, in fact, it contributed to the moral authority of the government in the eyes of the British society. The article contains examples proving how ambiguity and contradictoriness of certain decisions have been the conscious choice made by politicians, when declared altruistic goals actually proved to protect interests of certain business structures and direct opposite of the stated ethical principles. It is suggested that the divergence between word and deed had been initially present in the New Labour international doctrine and that the 'ethical foreign policy' can be considered as one of the tools of Realpolitik. The author concentrates on such aspects of the New Labour foreign policy as development, aid, debt relief, and arms trade, rather than on Blair’s just wars’ that are widely discussed in the Russian language historical literature and press
Local auxin biosynthesis modulates gradient-directed planar polarity in Arabidopsis
No full textThe coordination of cell polarity within the plane of a single tissue layer (planar polarity) is a crucial task during development of multicellular organisms. Mechanisms underlying establishment of planar polarity, however, differ substantially between plants and animals. In Arabidopsis thaliana, planar polarity of root-hair positioning along epidermal cells is coordinated towards maximum concentration of an auxin gradient in the root tip. This gradient has been hypothesized to be sink-driven and computational modelling suggests that auxin efflux carrier activity may be sufficient to generate the gradient in the absence of auxin biosynthesis in the root. Here, we demonstrate that the Raf-like kinase CONSTITUTIVE TRIPLE RESPONSE1 (CTR1; Refs 8, 9) acts as a concentration-dependent repressor of a biosynthesis-dependent auxin gradient that modulates planar polarity in the root tip. We analysed auxin biosynthesis and concentration gradients in a variety of root-hair-position mutants affected in CTR1 activity, auxin biosynthesis and transport. Our results reveal that planar polarity relies on influx- and efflux-carrier-mediated auxin redistribution from a local biosynthesis maximum. Thus, a local source of auxin biosynthesis contributes to gradient homeostasis during long-range coordination of cellular morphogenesis
(Table 1) Concentrations and occurrence frequency of noble metals and associated trace elements in sulfide minerals from the active TAG mound, ODP Site 158-957
No full text(Table 1) Concentrations and occurrence frequency of noble metals and associated trace elements in sulfide minerals from the active TAG mound, ODP Site 158-95
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