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Insights into the electron transfer mechanisms of permanganate activation by carbon nanotube membrane

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1706-0

Abstract: ListItem>

● A CNT filter enabled effective KMnO4 activation via facilitated electrontransfer.

Keywords： KMnO4     Carbon nanotubes     Non-radical pathway     Electron transfer     Water treatment    

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precise-acting” strategies for improving anaerobic methanogenesis of organic waste: Insights from the electrontransfer system of syntrophic partners

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1508-1

Abstract: Further, we discussed our opinion of methanogenesis process with insights from the electron transfersystem of syntrophic partners and provided potential targeted enhancing strategy for high-efficiency electrontransfer system.

Keywords： Methanogenesis     Anaerobic digestion     Enhancing strategy     Electron transfer     Organic waste    

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Potential of electron transfer and its application in dictating routes of biochemical processes associated

Frontiers of Medicine 2021, Volume 15, Issue 5,   Pages 679-692 doi: 10.1007/s11684-021-0866-1

Abstract: the degree of reduction of a compound, we have recently proposed a calculation termed as potential of electrontransfer (PET), which is used to characterize the degree of electron redistribution coupled with metabolicWhen this calculation is combined with the assumed model of electron balance in a cellular context, theEnabling electron transfer could drive metabolic reprogramming in cancer metabolism.Therefore, the concept and model established on electron transfer could guide the treatment strategies

Keywords： metabolic reprogramming     potential of electron transfer     cell proliferation     aerobic glycolysis     cancer    

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Mechanisms behind the accelerated extracellular electron transfer in

Feng ZHANG,Shengsong YU,Jie LI,Wenwei LI,Hanqing YU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 3,   Pages 531-538 doi: 10.1007/s11783-015-0793-y

Abstract: self-assembled monolayers (SAMs) has been found to be an effective approach to improve the extracellular electrontransfer (EET) of electrochemically active bacteria (EAB) on electrode surface, but the underlying mechanism

Keywords： biofilm     extracellular electron transfer (EET)     Geobacter sulfurreducens DL-1     gold     self-assembled    

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Simultaneous Feammox and anammox process facilitated by activated carbon as an electron shuttle for autotrophic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1498-z

Abstract:

• The autotrophic nitrogen removal combining Feammox and Anammox was achieved.

Keywords： Feammox     Anammox     Extracellular electron transfer     Electron shuttle     Activated carbon    

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4-Amino-1,8-naphthalimide based fluorescent photoinduced electron transfer (PET) pH sensors as liposomal

Miguel Martínez-Calvo, Sandra A. Bright, Emma B. Veale, Adam F. Henwood, D. Clive Williams, Thorfinnur Gunnlaugsson

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 61-75 doi: 10.1007/s11705-019-1862-8

Abstract: Four new fluorescent sensors ( - ) based on the 4-amino-1,8-naphthalimide fluorophores ( ) have been synthesized based on the classical fluorophore-spacer-receptor model. These four compounds all gave rise to emission bands centred at 535 nm, which were found to be highly pH dependent, the emission being ‘switched on’ in acidic media, while being quenched due to PET from the amino moieties to the excited state of the at more alkaline pH. The luminescent pH dependence for these probes was found to be highly dependent on the substitution on the imide site, as well as the polyamine chain attached to the position 4-amino moiety. In the case of sensor the presence of the 4-amino-aniline dominated the pH dependent quenching. Nevertheless, at higher pH, PET quenching was also found to occur from the polyamine site. Hence, is better described as a receptor -spacer -fluorophore-spacer -receptor system, where the dominant PET process is due to (normally less favourable) ‘directional’ PET quenching from the 4-amino-aniline unit to the site. Similar trends and pH fluorescence dependences were also seen for and . These compounds were also tested for their imaging potential and toxicity against HeLa cells (using DRAQ5 as nuclear stain which does now show pH dependent changes in acidic and neutral pH) and the results demonstrated that these compounds have reduced cellular viability at moderately high concentrations (with IC values between ca. 8‒30 µmol∙L ), but were found to be suitable for intracellular pH determination at 1 µmol∙L concentrations, where no real toxicity was observed. This allowed us to employ these as lysosomal probes at sub-toxic concentrations, where the based emission was found to be pH depended, mirroring that seen in aqueous solution for , with the main fluorescence changes occurring within acidic to neutral pH.

Keywords： sensors     pH     photoinduced electron transfer     cellular imaging     confocal microscopy    

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Sulfur cycle as an electron mediator between carbon and nitrate in a constructed wetland microcosm

Wenrui Guo, Yue Wen, Yi Chen, Qi Zhou

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1236-y

Abstract: . • A conceptual model involving electron acceptance, storage, and donation was built. • S cycle transferredA constructed wetland microcosm was employed to investigate the sulfur cycle-mediated electron transferat the average rate of 0.84 mol/(m3·d) through sulfate reduction, which accounted for 20.0% of the electronThe overall electron transfer efficiency of the sulfur cycle for autotrophic denitrification was 15.3%These results improved understanding of electron transfers among carbon, nitrogen, and sulfur cycles

Keywords： Constructed wetland     Sulfur cycle     Electron transfer     Denitrification    

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Synthesis, spectroscopic, and electrochemical properties of two dyads consisted of tetrathiafulvalene and carbazole

Guoqiao LAI, Yibo LIU, Meijiang LI, Yongjia SHEN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 192-195 doi: 10.1007/s11705-009-0015-x

Abstract: They showed negligible intramolecular charge-transfer interaction in their ground states as indicatedCompared with carbazole, their fluorescence was strongly quenched, which implied that a photo induced electrontransfer (PET) interaction between TTF and carbazole moieties occurred.

Keywords： donor-σ-acceptor molecule     intramolecular charge transfer interaction     photo induced electron transfer    

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Integrated energy view of wastewater treatment: A potential of electrochemical biodegradation

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1486-3

Abstract:

• Energy is needed to accelerate the biological wastewater treatment.

Keywords： Biological wastewater treatment     Integrated energy view     Electroactive bacteria     Extracellular electrontransfer    

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Electroactivity of the magnetotactic bacteria AMB-1 and MSR-1

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1808-3

Abstract:

● The first study of electrochemically active magnetotactic bacteria.

Keywords： bacteria     Magnetospirillum magneticum     Magnetospirillum gryphiswaldense     Extracellular electrontransfer     Microbial fuel cells    

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Enhancement of extracellular Cr(VI) reduction for anammox recovery using hydrazine: performance, pathways, and mechanism

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1715-z

Abstract:

● N2H4 addition enhanced and recovered anammox performance under Cr(VI) stress.

Keywords： Extracellular Cr(VI) reduction     Electron transfer     Anammox     Hydrazine     Cr(VI) inhibition    

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Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term performance and underlying mechanism

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1519-6

Abstract:

• 4-chlorophenol biodegradation could be enhanced in Fe2O3 coupled anaerobic system.

Keywords： Dechlorination     Fe2O3 nanoparticles     Electron transfer     Microbial community    

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Dual-reaction-center catalytic process continues Fenton’s story

Chao Lu, Kanglan Deng, Chun Hu, Lai Lyu

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1261-x

Abstract: In the DRC system, H2O2 and O2 can be efficiently reduced to reactive oxygen species (ROS) in electron-richcenters, while pollutants are captured and oxidized by the electron-deficient centers.The obtained electrons from pollutants are diverted to the electron-rich centers through bonding bridges

Keywords： Dual reaction centers     Fenton     Pollutant utilization     Electron transfer    

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Highly selective detection of copper(II) by a “ligand-free” conjugated copolymer in nucleophilic solvents

Weixing Deng, Pengfei Sun, Quli Fan, Lei Zhang, Tsuyoshi Minami

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 105-111 doi: 10.1007/s11705-019-1791-6

Abstract: temperature suggests that the quenching and reducing mechanism is most probably due to a photo-induced electrontransfer from excited PFPNCC to Cu(II).

Keywords： ligand-free     fluorescent chemosensor     copper     photo-induced electron transfer    

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Kinetics and mechanisms of reactions for hydrated electron with chlorinated benzenes in aqueous solution

Haixia YUAN,Huxiang PAN,Jin SHI,Hongjing LI,Wenbo DONG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 583-590 doi: 10.1007/s11783-014-0691-8

Abstract: The reactions between chlorinated benzenes (CBzs) and hydrated electron ( ) were investigated by theelectron beam (EB) and laser flash photolysis (LFP) experiments.

Keywords： chlorinated benzenes     hydrated electron     electron beam     laser flash photolysis    

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Title Author Date Type Operation

Insights into the electron transfer mechanisms of permanganate activation by carbon nanotube membrane

Journal Article

precise-acting” strategies for improving anaerobic methanogenesis of organic waste: Insights from the electrontransfer system of syntrophic partners

Journal Article

Potential of electron transfer and its application in dictating routes of biochemical processes associated

Journal Article

Mechanisms behind the accelerated extracellular electron transfer in

Feng ZHANG,Shengsong YU,Jie LI,Wenwei LI,Hanqing YU

Journal Article

Simultaneous Feammox and anammox process facilitated by activated carbon as an electron shuttle for autotrophic

Journal Article

4-Amino-1,8-naphthalimide based fluorescent photoinduced electron transfer (PET) pH sensors as liposomal

Miguel Martínez-Calvo, Sandra A. Bright, Emma B. Veale, Adam F. Henwood, D. Clive Williams, Thorfinnur Gunnlaugsson

Journal Article

Sulfur cycle as an electron mediator between carbon and nitrate in a constructed wetland microcosm

Wenrui Guo, Yue Wen, Yi Chen, Qi Zhou

Journal Article

Synthesis, spectroscopic, and electrochemical properties of two dyads consisted of tetrathiafulvalene and carbazole

Guoqiao LAI, Yibo LIU, Meijiang LI, Yongjia SHEN

Journal Article

Integrated energy view of wastewater treatment: A potential of electrochemical biodegradation

Journal Article

Electroactivity of the magnetotactic bacteria AMB-1 and MSR-1

Journal Article

Enhancement of extracellular Cr(VI) reduction for anammox recovery using hydrazine: performance, pathways, and mechanism

Journal Article

Enhanced 4-chlorophenol biodegradation by integrating FeO nanoparticles into an anaerobic reactor: Long-term performance and underlying mechanism

Journal Article

Dual-reaction-center catalytic process continues Fenton’s story

Chao Lu, Kanglan Deng, Chun Hu, Lai Lyu

Journal Article

Highly selective detection of copper(II) by a “ligand-free” conjugated copolymer in nucleophilic solvents

Weixing Deng, Pengfei Sun, Quli Fan, Lei Zhang, Tsuyoshi Minami

Journal Article

Kinetics and mechanisms of reactions for hydrated electron with chlorinated benzenes in aqueous solution

Haixia YUAN,Huxiang PAN,Jin SHI,Hongjing LI,Wenbo DONG

Journal Article