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  • 1
    Online Resource
    Online Resource
    Behavior of Radionuclides in the Environment II : Chernobyl (2020)
    Singapore :Springer Nature Singapore :
    Details
    Keywords: Radiation dosimetry. ; Pollution. ; Environmental management. ; Nuclear chemistry. ; Radiation Dosimetry and Protection . ; Pollution. ; Environmental Management. ; Nuclear Chemistry.
    Description / Table of Contents: Part 1 Atmospheric transport of radionuclides and resuspension -- 1. Atmospheric transport of radionuclides initially released as a result of the Chernobyl accident -- 2. Re-entrainment of the Chernobyl-derived radionuclides in air. Experimental data and modelling -- Part 2 Behavior of Chernobyl-derived radionuclides in soil-water -- 3. Mobility and bioavailability of Chernobyl-derived radionuclides in soil-water environment – Review -- 4. Quantitative assessment of lateral migration of Chernobyl-derived 137Cs in contaminated territories of the East European Plain -- Part 3 Behaviour of radionuclides in agricultural and forest ecosystems -- 5. Behavior of Chernobyl-derived radionuclides in agricultural ecosystems -- 6. Behavior of the Chernobyl-derived radionuclides in forest ecosystems and effects of radiation -- Part 4 Behaviour of radionuclides in aquatic ecosystems -- 7. Long-term dynamics of Chernobyl-derived radionuclides in rivers and lakes -- 8. Distribution and dynamics of radionuclides in the Chernobyl Cooling Pond -- 9. Radioactivity Of Aquatic Biota In Water Bodies Impacted With Chernobyl-Derived Radionuclides.
    Abstract: This is Volume II in a three-volume set on the Behavior of Radionuclides in the Environment, focusing on Chernobyl. Now, so many years after the Chernobyl accident, new data is emerging and important new findings are being made. The book reviews major research achievements concerning the behavior of Chernobyl-derived radionuclides, including their air transport and resuspension, mobility and bioavailability in the soil-water environment, vertical and lateral migration in soils and sediments, soil-to-plant and soil-to-animal transfer, and water-to-aqueous biota transfer. The long-term dynamics of radionuclides in aquatic ecosystems are also discussed, in particular, the heavily contaminated cooling pond of the Chernobyl Nuclear Power Plant, which is in the process of being decommissioned. Lessons learned from long-term research on the environmental behavior of radionuclides can help us understand the pathways of environmental contamination, which, in turn, will allow us to improve methods for modeling and predicting the long-term effects of pollution. This book features a wealth of original data and findings, many of which have never been published before, or were not available internationally. The contributing authors are experts from Ukraine, Russia and Belarus with more than 30 years of experience investigating Chernobyl-derived radionuclides in the environment. The content presented here can help to predict the evolution of environmental contamination following a nuclear accident, and specifically the Fukushima Dai-ichi nuclear power plant accident.
    Type of Medium: Online Resource
    Pages: X, 443 p. 145 illus., 79 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9789811535680
    URL: https://doi.org/10.1007/978-981-15-3568-0
    DOI: 10.1007/978-981-15-3568-0
    DDC: 571.45
    Language: English
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  • 2
    Online Resource
    Online Resource
    Behavior of Radionuclides in the Environment I : Function of Particles in Aquatic System (2020)
    Singapore :Springer Nature Singapore :
    Details
    Keywords: Pollution. ; Radiation dosimetry. ; Environmental management. ; Environmental monitoring. ; Nuclear chemistry. ; Pollution. ; Radiation Dosimetry and Protection . ; Environmental Management. ; Environmental Monitoring. ; Nuclear Chemistry.
    Description / Table of Contents: 1 Microbial ecological function in migration of radionuclides in groundwater -- 2 Microbial diversity and possible activity in nitrate- and radionuclide-contaminated groundwater -- 3 Function of microbes on chemical species transformation of radionuclides -- 4 Direct detection of denitrifying bacteria in groundwater by GeneFISH -- 5 Difference in the solid-water distributions of radiocesium in rivers in Fukushima and Chernobyl -- 6 Function of colloidal and nanoparticles in sorption of radionuclides -- 7 Application of electron microscopy to understanding colloid-facilitated transport of radionuclides at the Mayak Production Association facility, near Lake Karachai, Russia -- 8 Numerical analysis of migration of nitrate ions in the groundwater system of Lake Karachai Area, Southern Ural, Russia -- 9 Commentary on the function of micro- to nano-scale particles in radionuclide migration through groundwater.
    Abstract: The 3-volume set highlights the behavior of radionuclides in the environment and focusing on the development of related fields of study, including microbiology and nanoscience. In this context, it discusses the behavior of radionuclides released in areas of Lake Karachai in Ural, and those released as a result of Chernobyl accident (1986), and in Fukushima (2011). Volume I presents the experiences gained in South Urals (“Mayak” plant, Lake Karachai), providing a scientific basis for more precise understanding of the behavior of radionuclides in complex subsurface environments. On the basis of monitoring data, it examines the pathways of radionuclide migration and the influence of the geological environment and groundwater on the migration, with a particular focus on particles from the nanoscale to microscale. It also discusses the function of microbes and microscale particles, from their direct interaction with radionuclides to their ecological role in changing the physic-chemical condition of a given environment. Lastly, the protective properties of geological media are also characterized, and mathematical modeling of contaminant migration in the area of Lake Karachai is used to provide information regarding the migration of radionuclides.
    Type of Medium: Online Resource
    Pages: X, 225 p. 93 illus., 63 illus. in color. , online resource.
    Edition: 1st ed. 2020.
    ISBN: 9789811506796
    URL: https://doi.org/10.1007/978-981-15-0679-6
    DOI: 10.1007/978-981-15-0679-6
    DDC: 363.73
    Language: English
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  • 3
    Electronic Resource
    Electronic Resource
    Kinetic and ESR studies on the radical polymerization of N-cyclohexylmaleimide in benzene (1989)
    s.l. : American Chemical Society
    Macromolecules 22 (1989), S. 2219-2223 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00195a039
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  • 4
    Electronic Resource
    Electronic Resource
    An ESR study on the radical copolymerization of N-cyclohexylmaleimide and di-n-butyl itaconate in benzene (1991)
    s.l. : American Chemical Society
    Macromolecules 24 (1991), S. 2330-2333 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00009a032
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  • 5
    Electronic Resource
    Electronic Resource
    Partial Synchronization of Carrot Cell Culture by Auxin Deprivation (1977)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 39 (1977), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: A strain of carrot cells (Daucus carota cv. Kintoki) grew exponentially in the presence of 2,4-dichlorophenoxyacetic acid (2,4-D, 1 mg/1) with a doubling time of about 2 days. When those cells were transferred to a medium lacking 2,4-D, they continued to grow at almost the same rate for about a week. When the cells were again transferred to the auxin-free medium, the rate of cell division gradually decreased. After the cell division had ceased, cells were returned to the ordinary 2,4-D medium. A burst of cell divisions occurred after about 2 days. Timing of DNA synthesis and of mitosis suggested that the cells had been arrested at G1 phase. In a medium containing indoleacetic acid instead of 2,4-D, the auxin was rapidly degraded and the culture was similarly synchronized as in the auxin-omitted medium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1977.tb09277.x
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  • 6
    Electronic Resource
    Electronic Resource
    Planktonic bacterial DNA and RNA synthesis from algal extracellular products in a eutrophic lake (1994)
    Oxford, UK : Blackwell Publishing Ltd
    FEMS microbiology ecology 15 (1994), S. 0 
    Details
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract In order to better understand bacterial growth in the natural environment, a tracer experiment was carried out by adding [14C]bicarbonate to samples from a eutrophic lake and enclosures which were constructed inside the lake to provide different substrate conditions. It was shown that extracellular dissolved organic carbon (EDOC) released from photosynthetic phytoplankton was one of the most important carbon sources for the growth of planktonic bacteria in the aquatic environment studied here. About 5% of photosynthetically fixed 14C was transferred to the bacterial fraction between 4 and 8 h after the addtion of the [14C]bicarbonate. This increased to 10% during the following 16 h in the dark. Between 50% and 60% of bacterial 14C from EDOC was transformed to bacterial macromolecules. Analysis of cellular components showed that 36–39% of macromolecules produced were DNA during the light incubation, although the proportion of DNA relative to total macromolecules decreased in the dark. RNA synthesis increased with time, from 25% to 38% during the dark incubation. There was a correlation between bacterial growth rates and the ratio of RNA/DNA synthesized from EDOC (r = 0.81). However, the RNA/DNA ratio was very small, 1.8 for all samples examined, compared with previous data obtained for the laboratory bacteria. This is probably due to the very slow growth rate of the natural planktonic bacteria.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1574-6941.1994.tb00252.x
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  • 7
    Electronic Resource
    Electronic Resource
    Apatite Coating in (2000)
    s.l. ; Stafa-Zurich, Switzerland
    Key engineering materials Vol. 192-195 (Sept. 2000), p. 479-482 
    Details
    ISSN: 1013-9826
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/45/transtech_doi~10.4028%252Fwww.scientific.net%252FKEM.192-195.479.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    A linear-time algorithm for linearL 1 approximation of points (1989)
    Springer
    Algorithmica 4 (1989), S. 77-96 
    Details
    ISSN: 1432-0541
    Keywords: Computational geometry ; Modified pruning technique ; LinearL 1 approximation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract In this paper we present a linear-time algorithm for approximating a set ofn points by a linear function, or a line, that minimizes theL 1 norm. The algorithmic complexity of this problem appears not to have been investigated, although anO(n 3) naive algorithm can be easily obtained based on some simple characteristics of an optimumL 1 solution. Our linear-time algorithm is optimal within a constant factor and enables us to use linearL 1 approximation of many points in practice. The complexity ofL 1 linear approximation of a piecewise linear function is also touched upon.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01553880
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  • 9
    Electronic Resource
    Electronic Resource
    Immunocytochemistry and in situ hybridization studies of pepsinogen C-producing cells in developing rat fundic glands (1998)
    Springer
    Cell & tissue research 293 (1998), S. 121-131 
    Details
    ISSN: 1432-0878
    Keywords: Key words Pepsinogen C ; Ontogeny ; Mucous neck cell ; Chief cell ; Intermediate mucopeptic cell ; Immunocytochemistry ; In situ hybridization ; Rat (Wistar)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract  The ontogeny of pepsinogen C-producing cells in rat fundic glands was studied by means of light and electron microscopy using an antiserum raised against a synthetic peptide based on rat pepsinogen C. To confirm the immunocytochemistry results, the expression of rat pepsinogen C messenger RNA (mRNA) in the fundic gland was also examined by in situ hybridization using a digoxigenin-labeled RNA probe. In adult rats, pepsinogen C was produced by chief cells, mucous neck cells, and intermediate mucopeptic cells. Pepsinogen C-producing cells appeared in embryos as early as 18.5 days’ gestation. The development of these cells could be classified into four stages: (1) 18.5 days’ gestation to 0.5 days after birth; (2) 0.5 days to 2 weeks after birth; (3) 3–4 weeks after birth; (4) 4–8 weeks after birth. In embryos and young animals, pepsinogen C-producing cells were mucopeptic cells. By 4 weeks after birth, mucous neck cells could be distinguished morphologically. The maturation stages of the chief cells could be traced by electron microscopy along the longitudinal axis of the rat fundic gland by double-staining with anti-pepsinogen C antibody and periodic acid-thiocarbohydrazide-silver proteinate. Positive reactions for pepsinogen C and pepsinogen C mRNA expression were detected in mucous neck cells. Therefore, we conclude that mucous neck cells are precursor cells of chief cells. Mucous neck cells, intermediate cells, and chief cells are in the same differentiating cell lineage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004410051104
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  • 10
    Electronic Resource
    Electronic Resource
    Enclosure experiment on the control mechanism of planktonic bacterial standing stock (1992)
    Springer
    Ecological research 7 (1992), S. 267-276 
    Details
    ISSN: 1440-1703
    Keywords: bacterial production ; dissolved organic substrates ; enclosure experiment ; grazing ; shading
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract In order to understand the control mechanisms of a large, stable bacterial standing stock, enclosure experiments were conducted in a eutrophic lake, where both bacterial productivity and grazing pressure were very high. Total bacterial number in the different enclosures ranged from 1.2 to 2.7×107 cells mL−1 throughout the experiment. The average bacterial cell production rate estimated from a grazer eliminating experiment was 6.3×105 cells mL−1 h−1. Difference in the bacterial cell production rate between shaded and unshaded enclosures was not apparent. Bacteria showed a reduction in standing stock of only about 25–30% even after the supply of light was cut to 1%. Bacteria in the shaded enclosures then recovered their production rate in the first 12 days of perturbation. Grazing pressure in the shaded enclosures was not less than that for the control. Thus, it was considered a control mechanism of bacterial stable standing stock that the bacteria shifted their organic substrate from extracellular dissolved organic carbon freshly released from phytoplankton to that already stocked in the water column, though it is not known whether the dominant bacteria were the same.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02347095
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