Wen-hui Zhong

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The progress of genetically engineered microbial whole-cell biosensors for chemosensing and monitoring has been developed in the last 20 years. Those biosensors respond to target chemicals and produce output signals, which offer a simple and alternative way of assessment approaches. As actual pollution caused by human activities usually contains a(More)
Soil samples were collected from the paddy fields at the Ecological Experimental Station of Red Soil, Chinese Academy of Sciences under different treatments of long-term fertilization, and their phospholipid fatty acids (PLFAs) and enzyme activities were determined. The results showed that soil enzyme activities, nutrient contents, microbial biomass, and(More)
Soil has been used to generate electrical power in microbial fuel cells (MFCs) and exhibited several potential applications. This study aimed to reveal the effect of soil properties on the generated electricity and the diversity of soil source exoelectrogenic bacteria. Seven soil samples were collected across China and packed into air-cathode MFCs to(More)
2,4-Dichlorophenol is toxic and biorefratory organic pollutant. A 2,4-dichlorophenol degrading bacterial strain GT241-1, identified as Pseudomonas sp., was isolated from soil samples which was collected from drainage area of several 2,4-dichlorophenol producing factories. Strain GT241-1 had strong 2,4-dichlorophenol degrading ability, it could decompose 91%(More)
Microbial fuel cells ( microbial fuel cells, MFCs) are devices in which micro-organisms convert chemical energy into electrical power. Soil has electrogenic bacteria and organic substrates, thus can generate electrical current in MFCs. Soil MFCs can be operated and applied to real-time and continuously monitor soil pollution, remove soil pollutants and to(More)
This paper reviewed the varieties and characteristics of aerobic denitrifiers, their action mechanisms, and the factors affecting aerobic denitrification. Aerobic denitrifiers mainly include Pseudomonas, Alcaligenes, Paracoccus and Bacillus, which are either aerobic or facultative aerobic, and heterotrophic. They can denitrify under aerobic conditions, with(More)
A luminescent reporter gene system was constructed by fusing the mercury-inducible promoter, P(merT), and its regulatory gene, merR with a promoterless reporter gene EGFP. A stable whole-cell reporter was created by mini-Tn5 and introducing the merR-egfp system cassette into the chromosome of Pseudomonas putida strain, then applied it for mercury detection(More)
We aimed to study whether the methane emission from rice paddy with straw return can be alleviated in microbial fuel cells (MFCs). In our study, the soil mixed with 0. 5% ( mass fraction) rice straw was packed into MFCs reactors, then flooded with excess of sterilized water and transplanted with rice seedlings followed by the operation of MFCs. The MFCs(More)
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