In situ fabrication of gold nanoparticles into biocathodes enhance chloramphenicol removal
Xu, Hengduo1; Sheng, Yanqing1; Liu, Qunqun1; Li, Changyu1,2; Tang, Qi1,2; Li, Zhaoran1; Wang, Wenjing1
发表期刊BIOELECTROCHEMISTRY
ISSN1567-5394
2022-04-01
卷号144页码:8
关键词Biocathode Au nanoparticles In situ formation Chloramphenicol Bioelectrochemical system
DOI10.1016/j.bioelechem.2021.108006
通讯作者Sheng, Yanqing(yqsheng@yic.ac.cn)
英文摘要The development of highly conductive biofilms is a key strategy to enhance antibiotic removal in bioelectrochemical systems (BESs) with biocathodes. In this study, Au nanoparticles (Au-NPs) were in situ fabricated in a biocathode (Au biocathode) to enhance the removal of chloramphenicol (CAP) in BESs. The concentration of Au(III) was determined to be 5 mg/L. CAP was effectively removed in the BES containing a Au biocathode with a removal percentage of 94.0% within 48 h; this result was 1.8-fold greater than that obtained using a biocathode without Au-NPs (51.7%). The Au-NPs significantly reduced the charge transfer resistance and promoted the electrochemical activity of the biocathode. In addition, the Au biocathode showed a specifical enrichment of Dokdonella, Bosea, Achromobacter, Bacteroides and Petrimonas, all of which are associated with electron transfer and contaminant degradation. This study provides a new strategy for enhancing CAP removal in BESs through a simple and eco-friendly electrode design. (c) 2021 Elsevier B.V. All rights reserved.
资助机构Natural Science Foundation of China ; Doctoral Science Foundation of Shandong Province ; Key Project of Shandong Provincial Natural Science Foundation ; Strategic Priority Research Program of the Chinese Acad-emy of Sciences
收录类别SCI
语种英语
关键词[WOS]EXTRACELLULAR ELECTRON-TRANSFER ; ANAEROBIC GRANULAR SLUDGE ; DECORATED GRAPHENE OXIDE ; ELECTRICITY PRODUCTION ; REDUCTIVE DEGRADATION ; POLARITY INVERSION ; AZO DYES ; COMMUNITY ; CELLS ; BIOSORPTION
研究领域[WOS]Biochemistry & Molecular Biology ; Life Sciences & Biomedicine - Other Topics ; Biophysics ; Electrochemistry
WOS记录号WOS:000729070100007
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/30954
专题中国科学院海岸带环境过程与生态修复重点实验室
中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心
通讯作者Sheng, Yanqing
作者单位1.Chinese Acad Sci, Res Ctr Coastal Environm Engn Technol Shandong Pr, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Xu, Hengduo,Sheng, Yanqing,Liu, Qunqun,et al. In situ fabrication of gold nanoparticles into biocathodes enhance chloramphenicol removal[J]. BIOELECTROCHEMISTRY,2022,144:8.
APA Xu, Hengduo.,Sheng, Yanqing.,Liu, Qunqun.,Li, Changyu.,Tang, Qi.,...&Wang, Wenjing.(2022).In situ fabrication of gold nanoparticles into biocathodes enhance chloramphenicol removal.BIOELECTROCHEMISTRY,144,8.
MLA Xu, Hengduo,et al."In situ fabrication of gold nanoparticles into biocathodes enhance chloramphenicol removal".BIOELECTROCHEMISTRY 144(2022):8.
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