PERFORM Publications

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Title		Authors	PubMed ID
1	An active bifunctional natural dye for stable all-solid-state organic batteries	Yu Q; Hu Y; Deng S; Shakouri M; Chen J; Martins V; Nie HY; Huang Y; Zhao Y; Zaghib K; Sham TK; Li X;	40993135 PHYSICS
2	Solid solvation structure design improves all-solid-state organic batteries	Hu Y; Su H; Fu J; Luo J; Yu Q; Zhao F; Li W; Deng S; Liu Y; Yuan Y; Gan Y; Wang Y; Kim JT; Chen N; Shakouri M; Hao X; Gao Y; Pang T; Zhang N; Jiang M; Li X; Zhao Y; Tu J; Wang C; Sun X;	40759737 ENCS
3	Study on the mechanism of regulating micromolar Fe utilization and promoting denitrification by guanosine monophosphate (GMP) based multi-signal functional material Hematin@Fe/GMP	Hao Y; Guo T; Li H; Liu W; Chen Z; Wang X; Guo J;	39657473 ENCS
4	Fe/GMP functional nanomaterial enhancing the denitrification efficiency by bi-signal regulation: Electron transfer and microbial community	Hao Y; Guo T; Li H; Liu W; Chen Z; Zhang W; Wang X; Guo J;	39326537 ENCS
5	Exploring the use of ceramic disk filter coated with Ag/ZnO nanocomposites as an innovative approach for removing Escherichia coli from household drinking water.	Huang J, Huang G, An C, Xin X, Chen X, Zhao Y, Feng R, Xiong W	31864067 ENCS
6	Enhanced nitrogen removal in the treatment of rural domestic sewage using vertical-flow multi-soil-layering systems: Experimental and modeling insights.	Hong Y, Huang G, An C, Song P, Xin X, Chen X, Zhang P, Zhao Y, Zheng R	30952048 ENCS

Title:	Fe/GMP functional nanomaterial enhancing the denitrification efficiency by bi-signal regulation: Electron transfer and microbial community
Authors:	Hao Y, Guo T, Li H, Liu W, Chen Z, Zhang W, Wang X, Guo J
Link:	https://pubmed.ncbi.nlm.nih.gov/39326537/
DOI:	10.1016/j.biortech.2024.131533
Publication:	Bioresource technology
Keywords:	Electron transfer; Exogenous signaling molecule; Microbial community regulation; Nitrate bioreduction; Redox signal; Repeater function;
PMID:	39326537	Category:	Date Added:	2024-09-27
Dept Affiliation:	ENCS 1 School of Environmental and Municipal Engineering, Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin Chengjian University, Jinjing Road 26, Tianjin 300384, China. 2 School of Civil Engineering and Architecture, Taizhou University, Taizhou 318000, China. 3 Department of Building, Civil, and Environmental Engineering, Concordia University, 1455 de Maisonneuve Blvd. W. Montreal, Quebec, Canada. 4 School of Civil Engineering and Architecture, Taizhou University, Taizhou 318000, China. Electronic address: wangxiaoping624@163.com. 5 School of Civil Engineering and Architecture, Taizhou University, Taizhou 318000, China. Electronic address: jianbguo@163.com.

Description:

A novel functional nanomaterial composed of guanosine monophosphate (GMP) and Fe enhanced denitrification efficiency by regulating electron transfer and microbial community. Fe/GMP enhanced nitrate (NO₃^-) degradation rates by 3.00-fold in serum vial batch experiments, with a rate constant of 17.39 mg/(L·h) in sequencing batch reactor. Fe/GMP-mediated interface promoted the secretion of redox-active substances in the extracellular polymeric substances to enhance the extracellular electron transfer. Specifically, Fe/GMP regulated electron transfer and metabolism activity by dynamic conversion of Fe³⁺/Fe²⁺ redox signal. Additionally, enzyme activity assays verified the optimized electron distribution function of Fe/GMP and thus enhanced intracellular electron transfer. High-throughput sequencing confirmed Fe/GMP selectively enriched microorganisms (especially Thauera 50.70 %). The tetraethylammonium stress experiment demonstrated Fe/GMP as an exogenous signaling molecule to restore microbial communication for microbial community regulation. The study proposes a multifaceted synergistic mechanism based on the repeater function of Fe/GMP in denitrification and offers insights for practical applications.

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