By Volodymyr Ivanov, Viktor Stabnikov
ISBN-10: 9811014442
ISBN-13: 9789811014444
ISBN-10: 9811014450
ISBN-13: 9789811014451
This ebook offers the 1st accomplished textual content on building biomaterials and bioprocesses. It info facets of development biotechnology, a brand new interdisciplinary sector concerning functions of environmental and commercial microbiology and biotechnology in geotechnical and civil engineering. It additionally severely reports all present and capability building biotechnology processes.
It discusses a couple of subject matters together with the biotechnological creation of recent building fabrics comparable to self-healing concrete, development biocomposites, building bioplastics, and biotechnological admixtures to cement. It additionally addresses construction-related strategies like biocementation, bioclogging, soil floor fixation and biosealing, microbial cements and grouts, the biocoating of building fabric surfaces, the microbiology and biosafety of the development surroundings, the prevention of biocorrosion in addition to biodeterioration and biofouling in civil engineering. Biomediated precipitation of calcium, magnesium, and iron compounds as carbonates, phosphates, sulphides, and silicate minerals in soil for its clogging and strengthening are thought of from geotechnical, chemical, and microbiological issues of view. It bargains an summary of the fundamental microbiology that would permit civil engineers to accomplish the development biogeochemical tactics. layout ideas and concerns for various box implementations are mentioned from a pragmatic standpoint. The ebook can be utilized as a textbook for graduate and senior undergraduate scholars in biotechnology, civil engineering and environmental engineering in addition to a reference booklet for researchers and practitioners operating during this new interdisciplinary area.
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Extra info for Construction Biotechnology: Biogeochemistry, Microbiology and Biotechnology of Construction Materials and Processes
Example text
18 Control of the Enzymatic Reaction Rate 11 Control of the Enzymatic Reaction Rate The rate of a biochemical reaction is controlled by: 1. The content of enzyme in cell or concentration of enzyme in the solution/suspension (Xe), mol of enzyme g−1 of biomass or g of enzyme L−1. The content of intracellular enzyme in cell or extracellular enzyme in solution/ suspension is changed by the turning on (induction of enzyme synthesis in cell) or the turning off (repression of enzyme synthesis in cell) of the relative gene(s) of enzyme in cell.
3. 23 Biosafety In relation to biosafety, all microorganisms can be conventionally differentiated as – saprophytic microbes feeding by dead organic matter, – pathogenic microbes that can grow in or on animal or plant tissue and can cause diseases of the plants, animals, and human, – opportunistic microbes that are normally harmless to humans but have the potential to be pathogenic in immunocompromised individuals or after penetration through the skin. 3 The types of biogeochemical reactions used to produce construction materials and perform construction processes in situ 14 1 Basics of Microbiology for Civil and Environmental Engineers Production of ferrous solution and precipitation of undissolved ferrous and ferric salts and hydroxides in soil Production of undissolved sulfides of metals (Ca, Fe, Mg, Al) in porous soil.
Without sterilization of medium and equipment. For cultivation of microorganisms in industrial biotechnological plant, bioreactor is cleaned, washed, filled with medium, sterilized in the case of aseptic cultivation, the temperature, aeration rate, stirring rate, and monitoring system are adjustment to the required parameters. Then, suspension of inoculum for microbial batch cultivation is introduced into the bioreactor in a dosage of 5–20 % of the bioreactor volume. The system of microbial cultivation with gas exchange only is called as batch culture and the system with gas and liquid exchange is called as continuous culture.
Construction Biotechnology: Biogeochemistry, Microbiology and Biotechnology of Construction Materials and Processes by Volodymyr Ivanov, Viktor Stabnikov
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