By L. Elena Pekhtasheva, N. Anatoly Neverov, E. Gennady Zaikov
The factor of biodamages contains a variety of medical and sensible projects linked to safety of uncooked fabrics and items opposed to harm through micro organism, fungi, bugs and rodents in the course of long term garage, creation, transportation and operation. The biodegradation is used for degradation and usage of tired fabrics and articles. This study is pressing for ecology and the fight opposed to environmental illness. The biodamage challenge is either scientifically complicated and virtually diversified. Scientifically, it's in response to the information of fabric technological know-how, biology and chemistry.
The first aim of this booklet is to supply targeted details at the 3 interrelated components: micro organism and fungi (the resource of biodamages); bugs and rodents (materials and items depredators); and fabrics and items broken via residing organisms. the main sleek information on morphology and body structure of biodegrading microorganisms are awarded. the second one goal of this e-book is to supply the reader with a systematisation of organic degradation on either usual and artificial fabrics and items (plastics, fabric, fibres, leather-based and fur, wooden and so on). difficulties of utilisation of polymeric wastes utilizing microorganisms are mentioned and major safeguard equipment and know-how for uncooked fabrics and semi-products opposed to biodamages are proven. functional suggestion for fight opposed to biodamage of fabrics by means of bugs (moth, leather-based beetles, wood-fretters, cockroaches and termites) and rodents (mice and rats) are given.
Since 1960 the biodamage challenge obtained the reputable prestige as a wide foreign and sensible course on the junction of sciences and perform of mankind and pooling efforts of varied experts. the ultimate goal of this e-book is to demonstrate that the matter of biodamages is especially genuine this day since it is correct to many facets of our daily lives.
This quantity is meant to be a realistic consultant on biodamage and biodegradation of polymeric fabrics and a brief connection with scholars and researchers from academia and the industry.
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Extra info for Biodamage and Biodegradation of Polymeric Materials : New Frontiers
An acidic medium is particularly unfavourable for putrefactive bacteria and those which cause food poisoning. Bacteria which produce an acid as a metabolic product show higher resistance to a decrease in pH. , lactic acid bacteria, gradually die with the accumulation of a critical amount of acid in the medium. Others are able to regulate acidity by synthesising appropriate substances under these conditions, which render the medium either less acidic or alkaline, thus preventing a shift of pH towards values which are unfavourable for their development.
R. Salerno-Kochan Biodegradation of Textile Materials as a Method of Utilisation of the Wastes, Naukova Dumka, Kiev, Ukraine, 1999. T. F. Kostylev, Histology and Microbiology of Skins, Light Industry Publishing House, Moscow, Russia, 1980. E. L. Rigsby and W. Perkins, Textile Research Journal, 1999, 69, 10, 747. P. Raschle, Textilveredlung, 1987, 22, 10, 381. L. Pekhtasheva, Biodamages and Protections of Non-Food Materials, Masterstvo, Moscow, Russia, 2002. D. Ilyicheva, Nauka, Moscow, Russia, 1978.
The synthesis of cell substances also requires various mineral constituents: sulfur, phosphorus, potassium, calcium, magnesium, iron. Only small amounts of these microelements are required for microorganism growth, but shortage of any of these elements in the nutritive medium will hinder the development of microorganisms and may cause their death. For most microorganisms the sources of mineral constituents are mineral salts, although some of them obtain sulfur and phosphorus from organic compounds.
Biodamage and Biodegradation of Polymeric Materials : New Frontiers by L. Elena Pekhtasheva, N. Anatoly Neverov, E. Gennady Zaikov