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microbial degradation

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006866
EISBN: 978-1-62708-395-9
... Abstract Microbial degradation in the environment is initiated by abiotic (nonliving physical or chemical) processes. Mechanical weathering and other mechanical processes are the main drivers of the initial degradation. This article presents an overview of weathering and biodegradation...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004130
EISBN: 978-1-62708-184-9
... metabolic by-products. Deterioration of the epoxy resin coating of ship holds filled with molasses, fatty oils, and other fluid cargoes was reported ( Ref 11 ). Others ( Ref 12 ) studied direct microbial degradation of coatings, such as Buna-N (a polymer of acrylonitrile and butadiene); polyurethane...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... inhibitors degradation environmentally assisted cracking failure analysis heat exchangers inspection iron lubricants microbially induced corrosion piping sampling steel tanks MICROORGANISMS can directly or indirectly affect the integrity of many materials used in industrial systems. Most...
Image
Published: 15 May 2022
Fig. 1 General concept of plastic degradation by microorganisms. (a) Enzymes from bacteria attached to high-molecular-weight fibers. (b) Assumed transport of mono- and oligomers into the cell and microbial metabolism. Today, only a few enzymes involved in plastic degradation have been More
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... of microbial activity and the corrosion process. Then, various mechanisms that influence corrosion in microorganisms are discussed. The focus is on the incremental activities needed to assess the role played by microorganisms, if any, in the overall scenario. The article presents a case study that illustrates...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003637
EISBN: 978-1-62708-182-5
..., microbiological, chemical, and electrochemical. It provides information on the microbiologically influenced corrosion (MIC) of irons and steels, passive alloys (austenitic stainless steels), aluminum alloys, copper alloys, and composites. The article reviews the formation of microbial biofilms and macrofouling...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003844
EISBN: 978-1-62708-183-2
... Abstract Paints and protective coatings are the most common means of protecting materials from deterioration. This article focuses on coating degradation that results from the environmental interaction with the coatings. The major environmental influences of the degradation include energy...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003647
EISBN: 978-1-62708-182-5
... Abstract Corrosion resulting from the presence and activities of microbes on metals and metal alloys is generally referred to as microbiologically influenced corrosion (MIC). This article describes the biofilm formation and structure and microbial processes influencing corrosion. It also...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006855
EISBN: 978-1-62708-392-8
... + alginate lyase 3D bioprinting Enzymatically degradable alginate bioink Mouse dermal fibroblasts 27 Pre-cross-linked alginate (CaCO 3 , D-glucono-δ-lactone) 3D bioprinting Evaluation of pre-cross-linking of alginate NIH3T3 mouse fibroblasts 28 ADA/gelatin + microbial transglutaminase 3D...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006871
EISBN: 978-1-62708-395-9
... O. , Boven G. , Microbial Growth on Outdoor-Weathered Plastics , Polym Degrad Stabil , Vol 163 , 2019 , p 206 – 213 10.1016/j.polymdegradstab.2019.03.013 10. ASTM G7/G7M , “ Standard Practice for Atmospheric Environmental Exposure Testing of Nonmetallic Materials ,” ASTM...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003012
EISBN: 978-1-62708-200-6
... degradation occurs at the elevated temperatures encountered during processing Additives that improve properties include those that decrease static charge development and microbial activity and those that improve flame retardation characteristics, color, light stability, impact resistance, density...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005667
EISBN: 978-1-62708-198-6
.... If the polymerization reaction is conducted with varying quality of raw materials, or the reaction time, temperature, catalysts, or conditions do not sufficiently react for the correct duration, then the subsequent polymer may possess contaminants, degradation products, or unreacted and raw materials. These products...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002128
EISBN: 978-1-62708-188-7
..., toluyltriazole is an effective inhibitor. Dyes Both oil- and water-soluble dyes are used to assist in the identification of the metalworking fluid and to help in identifying the location of the fluid with respect to the application technique. Antimicrobial Agents Microbial growth will take place...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006939
EISBN: 978-1-62708-395-9
... the processability window, shelf life, appearance, flame retardancy, and other properties required to fulfill the application of the material. For example, one of the most-used polyolefin materials, polypropylene, would not be commercially successful without additives, because it is likely to degrade within one week...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006073
EISBN: 978-1-62708-172-6
...-internal stress, and vibration-external stress; and (4) biological influences such as microbiological, mildew, and marine fouling. biological influence coating degradation energy paints permeation pigments stress PAINTS AND COATINGS of all types are widely used to provide color...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004149
EISBN: 978-1-62708-184-9
... concentrated solutions, higher temperatures, and applied potentials. The accelerating factors described in ASTM C 1174 may be used provided the degradation (alteration) mechanism(s) remains the same. The effects of accelerating conditions should be quantified and mechanistically described before they are used...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003606
EISBN: 978-1-62708-182-5
... aqueous electrolyte concentration pH Pourbaix diagram atmospheric factors air-chemical pollutants metal corrosion corroded metal surface corrosive microbial effect atmospheric corrosion corrosion damage ATMOSPHERIC CORROSION is the degradation and destruction of metallic materials...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003656
EISBN: 978-1-62708-182-5
... high temperature Stagnant regions Surface and microstructural heterogeneities (e.g., manganese sulfide inclusions) Microbial activity While the early stages of localized corrosion processes are still not completely understood ( Ref 7 , 8 , 9 ), the stable growth of localized corrosion...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006630
EISBN: 978-1-62708-213-6
... when packed-bed suppressors are employed. The larger the volume of the suppressor, the less frequently the suppressor must be regenerated. On the other hand, the larger the volume, the greater the degradation of the chromatographic signal due to dilution. As a consequence, relatively small suppressors...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005159
EISBN: 978-1-62708-186-3
..., and aromatic molecules and are classified by the species that predominates. For example, a petroleum oil consisting of 70% naphthenic molecules is called naphthenic. The different classes of oils have different properties. Linear paraffins, for example, have high resistance to oxidative degradation...