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Anticancer Activity of 3-Demethylubiquinone Q2. In Vivo Experiments and Probable Mechanism of Action
Fedorov, S.N.,Radchenko, O.S.,Shubina, L.K.,Balaneva, N.N.,Agafonova, I.G.,Bode, A.M.,Jin, J.-O.,Kwak, J.-Y.,Dong, Z.,Stonik, V.A. INTERNATIONAL INSTITUTE OF ANTICANCER RESEARCH 2008 Anticancer research Vol.28 No.2
Fedorov, N.I.,Ibatullina, Z.A.,Mikhaylenko, O.I.,Zhigunova, S.N.,Shendel, G.V.,Kuzmina, L.Y.,Abdrakhimova, G.S.,Melentiev, A.I.,Kudoyarova, G.R. The Korean Society of Plant Biotechnology 2018 식물생명공학회지 Vol.45 No.3
We performed an analysis of the effect of postharvest treatment of rhizomes of Aconitum septentrionale Koelle with the biological preparation of Bacispecin based on a cytokinin producing strain of Paenibacillus ehimensis IB-739 on the content of alkaloid lappaconitine in rhizomes. The total alkaloid content was assayed based on exhaustive extraction method. The lappaconitine content was measured by HPLC. The efficiency of the preparation was dependant on either the concentration or intensity of the growth processes in rhizomes. Both parameters varied depending on the stage of development of plants and the amount of precipitation. In the years with normal precipitation, concentrations of Bacispecin ranging from 5 to 10 g/l were found to be most effective for increasing lappaconitine content in rhizomes of A. septentrionale. Whereas, under local drought conditions, the concentration of preparation should be less than 2 g/l.
Sensitivity of GAGG based scintillation neutron detector with SiPM readout
Fedorov, A.,Gurinovich, V.,Guzov, V.,Dosovitskiy, G.,Korzhik, M.,Kozhemyakin, V.,Lopatik, A.,Kozlov, D.,Mechinsky, V.,Retivov, V. Korean Nuclear Society 2020 Nuclear Engineering and Technology Vol.52 No.10
Here we report on the first results of sensitivity evaluation of the gadolinium-aluminum-gallium- garnet (GAGG) scintillation detector with SiPM readout to fast and slow neutrons and, to the natural background and Co-60 γ-radiation as well. Data on sensitivity were obtained using certified dosimetry benches, so it can be utilized in the calculation of detection limits of neutron flux with such type of detectors. It was concluded that use of GAGG scintillator has a good prospect for neutron monitoring in different parts of nuclear research reactors and power plants.
GYAGG/ 6 LiF composite scintillation screen for neutron detection
A. Fedorov,I. Komendo,A. Amelina,E. Gordienko,V. Gurinovich,V. Guzov,G. Dosovitskiy,V. Kozhemyakin,D. Kozlov,A. Lopatik,V. Mechinsky,V. Retivo,V. Smyslova,A. Zharova,M. Korzhik 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.3
Composite scintillation screens on a base of Gd1.2Y1.8Ga2.5Al2.5O12:Ce (GYAGG) scintillator have beenevaluated for neutron detection. Besides the powdered scintillator, the composite includes 6LiF particles;both are merged with a binder and deposited onto the light-reflecting aluminum substrate. Resultsobtained demonstrates that screens are suitable for use with a silicon photomultiplier readout to create aprospective solution for a compact and low-cost thermal neutron sensor. Composite GYAGG/6LiF scintillationscreen shows a pretty matched sensitivity and g-background rejection with a widely usedZnS/6LiF screens however, possesses forty times faster response.
Genesis of the cultural landscape of Urals and Siberia
Roman Fedorov 한양대학교 아태지역연구센터 2013 Journal of Eurasian Studies Vol.4 No.2
This article presents the author's approach to the study of cultural landscape genesis. Historical and geographical reconstruction of Urals and Siberia served as the empirical basis of the study. A hypothesis that highlights some of the basic morphological components of the cultural landscape on the scale of a given region is set forth based on that reconstruction. Communications and cultural values have been classified as the primary morphological components. The article compares the cultural landscape's communicative structure and two main forms of communication. The first form includes land communication routes and regional settlement patterns, which establish a kind of communicative framework for the cultural landscape of the region. The second form is the circle of social and cultural interactions that directly or indirectly affect the economic development and life activities of regional communities. Each of these forms of communication reflects a certain pattern of cultural values that is specific to a given form of economic development in a geographical region or to a particular historical era. Using this approach, the article studies the spatial organization of the cultural landscape of the Urals and Siberia in an attempt to explain the cultural diversity of various parts of present-day Russia.