Enhanced extraction of extracellular polymeric substances from biofilms by alternating current

被引：5

作者：

Li, XG ^{[1
]}

Cao, HB ^{[1
]}

Wu, JC ^{[1
]}

Zhong, FL ^{[1
]}

Yu, KT ^{[1
]}

机构：

[1] Tianjin Univ, Sch Chem Engn & Technol, Chem Engn Res Ctr, Tianjin 300072, Peoples R China

来源：

BIOTECHNOLOGY LETTERS | 2002年 / 24卷 / 08期

基金：

中国国家自然科学基金;

关键词：

alternating current; biofilm; extracellular polymeric substance; extraction;

D O I：

10.1023/A:1015031021858

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The extraction of extracellular polymeric substances (EPS) including polysaccharides and proteins from aerobic biofilms using either EDTA or NaOH was enhanced by alternating current especially within the first 0.5 h of current application. At 60 mA and 50 Hz, the average extraction rate of polysaccharides within the first 0.5 h using EDTA was 8.3 mg h(-1) g TS-1 (TS: total solid, dry wt), 1.6 times of that without current, and that of proteins was 2.5 mg h(-)1 g TS-1, 1.2 times higher. The extraction of polysaccharides was maximal at around 500 Hz while that of proteins was less affected by increasing the current frequency.

引用

页码：619 / 621

页数：3

共 50 条

[31] Quantification of extracellular polymeric substances in biofilms by confocal laser scanning microscopy
Zhang, T
Fang, HHP
BIOTECHNOLOGY LETTERS, 2001, 23 (05) : 405 - 409
[32] Characteristics of extracellular polymeric substances of phototrophic biofilms at different aquatic habitats
Fang, Fang
Lu, Wen-Tao
Shan, Qi
Cao, Jia-Shun
CARBOHYDRATE POLYMERS, 2014, 106 : 1 - 6
[33] Uncovering the flocculating potential of extracellular polymeric substances produced by periphytic biofilms
Sun, Pengfei
Zhang, Jianhong
Esquivel-Elizondo, Sofia
Ma, Lan
Wu, Yonghong
BIORESOURCE TECHNOLOGY, 2018, 248 : 56 - 60
[34] Influence of extracellular polymeric substances on microbial activity and cell hydrophobicity in biofilms
Gao, Baoyu
Zhu, Xiaobiao
Xu, Chunhua
Yue, Qinyan
Li, Weiwei
Wei, Jincheng
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, 2008, 83 (03) : 227 - 232
[35] The Extracellular Polymeric Substances of Legionella pneumophila Biofilms Contain Amyloid Structures
Peterson, Casey P.
Sauer, Cassidy
Chatfield, Christa H.
CURRENT MICROBIOLOGY, 2018, 75 (06) : 736 - 744
[36] In situ Imaging and Characterizing the Matrix of Extracellular Polymeric Substances (EPS) of Biofilms
Decho, Alan W.
MICROSCOPY AND MICROANALYSIS, 2009, 15 : 822 - 823
[37] Strategies for Visualization of Extracellular Polymeric Substances (ExPS) in Biofilms by Electron Microscopy
Dohnalkova, Alice C.
Arey, Bruce W.
Williams, Kenneth H.
Marshall, Matthew J.
MICROSCOPY AND MICROANALYSIS, 2009, 15 : 66 - 67
[38] The Extracellular Polymeric Substances of Legionella pneumophila Biofilms Contain Amyloid Structures
Casey P. Peterson
Cassidy Sauer
Christa H. Chatfield
Current Microbiology, 2018, 75 : 736 - 744
[39] The role of extracellular polymeric substances of fungal biofilms in mineral attachment and weathering
Breitenbach, Romy
Gerrits, Ruben
Dementyeva, Polina
Knabe, Nicole
Schumacher, Julia
Feldmann, Ines
Radnik, Jorg
Ryo, Masahiro
Gorbushina, Anna A.
NPJ MATERIALS DEGRADATION, 2022, 6 (01)
[40] Optimization for extracellular polymeric substances extraction of microbial aggregates
Zhu, Liang
Yu, Haitian
Liu, Yimei
Qi, Hanying
Xu, Xiangyang
WATER SCIENCE AND TECHNOLOGY, 2015, 71 (07) : 1106 - 1112

← 1 2 3 4 5 →