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  • 1
    Online Resource
    Online Resource
    Persistent Pollutants in Water and Advanced Treatment Technology (2023)
    Singapore :Springer Nature Singapore :
    Details
    Keywords: Pollution. ; Environmental protection. ; Civil engineering. ; Environmental engineering. ; Pollution. ; Soil and Water Protection. ; Environmental Civil Engineering.
    Description / Table of Contents: Impact of Persistent Pollutants on Water Quality -- Marine microplastics: abundance, ecotoxic consequences of associated anthropogenic contaminants and interactions with microorganisms -- World profile of foreseeable strategies for the removal of per- and polyfluoroalkyl substances (PFASs) from water -- Plasticizers, plastic monomers, and their transformation products in environmental waters and wastewater -- Occurrence and Removal of phthalates from aqueous medium using bismuth tungstate-based photocatalysts -- Application of electrochemical technologies for the efficacious removal of persistent organic pollutants from wastewater -- Recent progress in Electrochemical/Electro-oxidation technology: its applicability in highly efficient treatment of persistent organic pollutants specially from coal processed wastewater.
    Abstract: This contributed volume discusses the current status of the occurrences, fate and transport of persistent pollutants in water and wastewater. This contents compile the state-of-the-art of emerging technologies such as nanotechnology, advanced oxidation process, membrane processes, sorption, etc. for the clean-up of persistent pollutants in water including heavy metals, pharmaceuticals, phenolic compounds as well as microplastics and their by-products. This volume will be useful as a guide for the researchers to build strategies to deal with persistent pollutant. It also discusses the principal aspects of degradation mechanism of the pollutants, toxic by-products and effectiveness of the emerging technologies. This volume will be a useful guide for those working in soil and water protection, and environmental civil engineering. .
    Type of Medium: Online Resource
    Pages: XVII, 477 p. 136 illus., 95 illus. in color. , online resource.
    Edition: 1st ed. 2023.
    ISBN: 9789819920624
    Series Statement: Energy, Environment, and Sustainability,
    URL: https://doi.org/10.1007/978-981-99-2062-4
    DOI: 10.1007/978-981-99-2062-4
    DDC: 363.73
    Language: English
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  • 2
    Electronic Resource
    Electronic Resource
    Morphology and Physiology of Lyngbya nigra with Reference to Copper Toxicity (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 44 (1978), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The effect of copper sulphate on morphology and physiology of Lyngbya nigra has been studied. The growth was inhibited in all treatments (0.4 to 80.0 μM) of copper sulphate. There were no apparent morphological changes up to 0.8 μM and during the first two days of treatment even in the higher concentrations of copper sulphate.In concentrations above 0.8 μM the first symptom of toxicity was the formation of separation discs in large numbers. The trichomes contracted longitudinally and the cells became swollen and constricted at the cross walls. The cells also became yellowish due to loss of photosynthetic pigments. Finally, in 4 μM and above, vacuoles appeared in large number indicating the moribund state of the cells.Copper sulphate increased respiration at 2 μM, and optimum effect was observed in 8 μM after 96 h. Inhibition of photosynthesis was detectable in 0.8 μM, and 100% inhibition took place in 8 μM after 96 h. In higher concentrations the effect was immediate, and a conspicuous inhibition of photosynthesis could be observed within 10 min.The copper content of the alga increased with increased concentration of copper sulphate while potassium content decreased. With rise in outside concentrations of copper, there was a comparatively great increase of absorption in 2 and 4 μM, while further increases were gradually less. The observations indicate that changes in the physiological activity of the alga under treatment are closely interlinked with marked changes in morphology.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1978.tb08620.x
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  • 3
    Electronic Resource
    Electronic Resource
    Effect of Partial Acetylation on Jute (1951)
    [s.l.] : Nature Publishing Group
    Nature 167 (1951), S. 775-775 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During partial acetylation of a cellulosic fibre, the reaction is supposed to take place in a topochemical fashion, and unless the acetylated layer is removed by some suitable solvent, the reaction is expected to be confined to the surface layer of the fibre. Jute is basically composed of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/167775a0
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  • 4
    Electronic Resource
    Electronic Resource
    Examination of the Oligosaccharides isolated from Jute α-Cellulose (1957)
    [s.l.] : Nature Publishing Group
    Nature 180 (1957), S. 1041-1041 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] a-Cellulose (10 gm.) employed in this work was prepared by the action of 9-5 per cent caustic soda on chlorite holocellulose obtained from tossa jute and partially hydrolysed with JV/2 sulphuric acid (200 ml.) for 1 hr. at 98-99 C., when 3 per cent of the material went into solution. The extract, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1801041a0
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  • 5
    Electronic Resource
    Electronic Resource
    Chromatographic Study of Jute α-Cellulose (1956)
    [s.l.] : Nature Publishing Group
    Nature 178 (1956), S. 1346-1347 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although Sarkar and others1, and Adams and Bishop3 have employed the same hydrolytic procedure of 72 per cent sulphuric acid, the failure of the former authors to detect pentoses in the hydro-lysate appears to be due to interference caused by the presence of a large amount of glucose which has, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/1781346b0
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  • 6
    Electronic Resource
    Electronic Resource
    Influence of Algal Growth-promoting Substances on Growth, Yield and Protein Contents of Rice Plants (1967)
    [s.l.] : Nature Publishing Group
    Nature 213 (1967), S. 744-744 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Seeds of paddy type 21 were pre-soaked for 24 h in 0-5, 1 and 5 per cent water and ether extract of Phormidium foveolarum suspended in water. Seeds soaked in distilled water served as a control. The method of hormone extraction and pre-soaking has been described in another communication (Gupta and ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/213744a0
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  • 7
    Electronic Resource
    Electronic Resource
    Effect of pretreating the seeds with extracts of Phormidium foveolarum on growth and development of maize seedlings (1970)
    Springer
    Hydrobiologia 35 (1970), S. 203-208 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The effect of pretreatment of seeds of Maize type Ganga 3 and 41 with extract of P. foveolarum has been studied. The observations show an alround beneficial effect on the growth and development of the seedlings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00181727
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  • 8
    Electronic Resource
    Electronic Resource
    Effect of algal growth promoting substances of Phormidium foveolarum on seedlings of some varieties of wheat (1970)
    Springer
    Hydrobiologia 35 (1970), S. 324-332 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The effect of presoaking seed treatment in extract of P. foveolarum on the growth and development of the seedlings of wheat (Triticum vulgare type K. 65, K. 68, S. 64, S. 227 and N.P. 852) has been studied. There is marked beneficial effect on the development of roots and shoots in all the five types. The suitable concentration of the algal extract however may vary according to the type under investigation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00181735
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  • 9
    Electronic Resource
    Electronic Resource
    Effect of algal extracts of Phormidium species on growth and development of rice seedlings (1969)
    Springer
    Hydrobiologia 34 (1969), S. 77-84 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The effect of growth-promoting substances in extracts of Phormidium foveolarum, P. tenue, and P. frigidum on rice seedlings has been studied by presoaking seed treatment. The observations show that the growth and development of roots and shoots is markedly stimulated, in seeds treated with P. foveolarum and P. tenue and the results are highly significant statistically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00040324
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  • 10
    Electronic Resource
    Electronic Resource
    Algal flora and its importance in the economy of rice fields (1966)
    Springer
    Hydrobiologia 28 (1966), S. 213-222 
    Details
    ISSN: 1573-5117
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The growth of algae has been studied simultaneously in nature and in soil culture of some of the paddy fields. Although some of them are common to both, there are conspicuous differences in the algal vegetation under the two conditions. The algal growth is mainly governed by the seasonal and other ecological conditions of their habitat. The growth of algae effects the paddy crop in various ways i.e. by nitrogen fixation and secretion of growth promoting substances etc.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00037323
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