3,166 research outputs found

    Contested heritage-making as an instrument of ethnic division

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    This chapter explores the roles that public monuments as tools for heritage-making have played in mediating the ethnic division of Mitrovica, Kosovo, since the end of 1999. Focusing on the area around the Ibar River Bridge, which is the city’s major fault line, it examines the ways in which ethnic heritage has been revived, interpreted and represented, both physically and semantically, to frame the border between the northern (Serbian) and southern (Albanian) parts of the city and shape the relations between the ethnic communities inhabiting them. The argument is that Mitrovica’s post-war socio-spatial division is fostered by selective, one-sided and opposing versions of heritage-making embedded in the post-war monuments, which serve to mark the ethnic power of territories, produce ethnically exclusive Serbian and Albanian place identities and deny the ethnic ‘Others’

    by Velimir M. Ristic

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    IN VITRO INCORPORATION OF GLYCINE BY BOVINE ERYTHROCYTES INFECTED WITH ANAPLASMA MARGINALE

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    ism Anaplasma marginale over the past 50 years have consistently implicated circulating erythrocytes as the site of parasite multiplication. Few inquiries, however, have been made regarding the biochemical basis of the host-parasite relationship (reviewed by Ristic, 1960). Unfortunately, the parasite has not been propagated outside the mamma-lian host. Partial purification of A na-plasma has been achieved only recently (Ristic, 1962; Ristic and Kreier, 1963), and the metabolic competence of the partially purified microorganism re-mains to be demonstrated. The present investigation was under-taken to learn whether the synthesis of protein in bovine erythrocytes, as judged by amino acid incorporation, was enhanced following infection with A. marginale. This report offers evidence of accelerated glycine uptake into pro-tein by Anaplasma-infected erythro-cytes in vitro and furnishes data indicating that such uptakes are influ-enced by the amino acid and/or vitamin composition of the suspending medium. The results suggest that A. marginale might be studied effectively while with-in its host cell by capitalizing on th

    Affect on forecasting reliability safety engine in medical institutions; International Conference of Experimental and Numerical Investigations and NewTechnologies

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    M. Ristic, Lj. Radovanovic, J. Perisic, I. Vasovic, G. Otic; Affect on forecasting reliability safety engine in medical institutions; International Conference of Experimental and Numerical Investigations and NewTechnologies; Zlatibor, Serbia, 29 Jun- 02 July 2021; Serbia; The book of Abstracts; ISBN: 978-86-6060-077-8; pp. 5; 202

    The Average Reward Rate Modulates Behavioral and Neural Indices of Effortful Control Allocation

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    Lin, H., Ristic, J., Inzlicht, M., & Otto, A. R. (in press). The average reward rate modulates behavioral and neural indices of effortful control allocation. Journal of Cognitive Neuroscience

    Seed development and phenolic compounds in seeds, skins and wines

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    Presented by Renata Ristic, Leigh Francis, Markus Herderich and Patrick Ilan

    Photonic nanojet mediated Raman enhancement: Vertical Raman mapping and simple ray matrix analysis

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    A new method for enhancing the Raman scattering signal has emerged recently, based on dielectric enhancement. Especially promising is the dielectric method based on microspheres and photonic nanojet. In this paper, geometrical aspects and the influence of the incident beam parameters on Raman enhancement by silica microspheres were systematically investigated in three steps: by characterizing the incident beam using knife-edge method, performing horizontal and vertical Raman mapping imaging, and analyzing the results using ray transfer matrix analysis. Maps show a distinct enhancement (hotspot) area caused by the microsphere photonic nanojet and lens effect compared to a plain silicon substrate. Enhancement value on maps was the highest (5.7×) for 0.50 numerical aperture objective, when the incident beam size matched the microsphere diameter, and the focus of the incident beam was below the top of the sphere, so that the output beam focus was at the microsphere–substrate contact area. This geometrical configuration was confirmed as ideal by performing simple ray transfer matrix analysis. The ideal ranges of incident and output beam parameters match with the measured hotspot area. This three-step process and the usage of vertical Raman mapping have been, for the best of our knowledge, performed for the first time in such configuration. This research introduces a new way of investigating microsphere-assisted Raman enhancement, offers different approach to microsphere optics research, and improves current knowledge of the influence of the incident beam on the enhancement

    Ventricular arrhythmias not meeting criteria for terminating cardiopulmonary exercise testing stratify prognosis and disease severity in heart failure of preserved, midrange, and reduced ejection fraction

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    Background: Continued high mortality in heart failure patients indicates the need for additional methods of risk stratification and phenotyping. Hypothesis: We hypothesized that ventricular arrhythmias that do not meet test-termination criteria (non-terminating ventricular arrhythmias [NTVA]) during cardiopulmonary exercise testing (CPET) may help in phenotyping disease severity and prognosis in heart failure with reduced (HFrEF) and midrange (HFmrEF)/preserved (HFpEF) left ventricular ejection fraction (LVEF). Methods: About 319 patients with heart failure (199 HFrEF; 80 HFmrEF; 41 HFpEF) underwent CPET. Tricuspid annular plane systolic excursion (TAPSE) and pulmonary artery systolic pressure (PASP) were measured by echocardiography. B-type natriuretic peptide (BNP) at rest and peak exercise was also determined. The patients were tracked for primary (cardiac death) and secondary composite outcomes (all-cause death, heart transplantation/left ventricular assist device implantation, hospitalization for cardiac reasons). Results: Forty-seven (15%) of the patients demonstrated NTVA during CPET, regardless of coronary artery disease prevalence. Patients without arrhythmias had a significantly higher LVEF (P <.05), TAPSE/PASP ratio (P <.001), peak oxygen consumption (P <.01), lower resting and peak BNP (P <.001), and the minute ventilation/carbon dioxide production slope (P <.001) compared to those with NTVA. Seventy-one patients died during the tracking period, 54 for cardiac reasons. NTVA during CPET was a significant predictor of primary and secondary outcomes in the total heart failure cohort (HR: 5.3, 3.7; 95% CI: 3.1-9.1, 2.4-5.5; P <.001, respectively), as well as in subgroups categorized according to reduced and middle-range/preserved LVEF (P <.001). Conclusion: Exercise-induced ventricular arrhythmias that do not reach test-termination criteria are nonetheless indicative of an advanced disease severity phenotype and worse prognosis
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