Microbial colonization of polymeric materials for space applications and mechanisms of biodeterioration: A review

CORC > 南海海洋研究所 > 中国科学院南海海洋研究所 > 热带海洋环境国家重点实验室(LTO)

	Microbial colonization of polymeric materials for space applications and mechanisms of biodeterioration: A review
	Gu, JD
刊名	INTERNATIONAL BIODETERIORATION & BIODEGRADATION
	2007
卷号	59 期号:3 页码:170-179
关键词	biofilms degradation plasmids polymeric materials resistance space station
ISSN号	0964-8305
通讯作者	jdgu@hkucc.hku.hk
中文摘要	Biodeterioration of polymeric materials affects a wide range of industries. Formation of microbial biofilms on surfaces of materials being considered for use on the International Space Station was investigated. The materials included fiber-reinforced polymeric composites, adhesive sealant, polyimide insulation foam, Teflon cable insulation, and aliphatic polyurethane coatings. In simulation experiments, bacterial biofilms formed readily on the surfaces of the materials at a wide range of temperatures and relative humidity. The biofilm population was dominated by Pseudomonas aeruginosa, Ochrobactrum anthropi, Alcaligenes denitrificans, Xanthomonas maltophila, and Vibrio harveyi. Subsequently, degradation of polymeric materials was mostly a result of both fungal and bacterial colonization in sequence, and fungi may have advantages in the early phase of surface colonization over bacteria, especially on relatively resistant polymeric materials. These microorganisms are commonly detected on spacecraft on hardware and in the air. Furthermore, degradation of polymeric materials was documented with electrochemical impedance spectroscopy (EIS). The mechanisms of deterioration of polymeric materials were due to the availability of carbon source from the polymer, such as additives, plasticizers, and other impurities, in addition to the polymeric matrices. Microbial degradation of plasticizer phthalate esters is discussed for the microorganisms involved and the biochemical pathways of degradation. Current results suggest that candidate materials for use in space missions need to be carefully evaluated for their susceptibility to microbial biofilm formation and biodegradation. (c) 2006 Elsevier Ltd. All rights reserved.
学科主题	Biotechnology & Applied Microbiology; Environmental Sciences
收录类别	SCI
原文出处	ELSEVIER SCI LTD
WOS记录号	WOS:000246125000002
公开日期	2011-07-03
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/5893]
专题	南海海洋研究所_热带海洋环境国家重点实验室(LTO)
推荐引用方式 GB/T 7714	Gu, JD. Microbial colonization of polymeric materials for space applications and mechanisms of biodeterioration: A review[J]. INTERNATIONAL BIODETERIORATION & BIODEGRADATION,2007,59(3):170-179.
APA	Gu, JD.(2007).Microbial colonization of polymeric materials for space applications and mechanisms of biodeterioration: A review.INTERNATIONAL BIODETERIORATION & BIODEGRADATION,59(3),170-179.
MLA	Gu, JD."Microbial colonization of polymeric materials for space applications and mechanisms of biodeterioration: A review".INTERNATIONAL BIODETERIORATION & BIODEGRADATION 59.3(2007):170-179.