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Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 1,   Pages 19-27 doi: 10.1007/s11705-019-1888-y

Abstract: this complexation-driven redox behavior may be used to achieve the naked eye detectable colorimetric sensing

Keywords： texaphyrin     fluorescent sensor     ion-sensing     indium     mercury    

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investigation of novel tetraphenylvinyl hydrazone derivatives: efficient multimodal chemosensors for fluoride ion

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 2061-2073 doi: 10.1007/s11705-023-2366-0

Abstract: Herein, three novel tetraphenylethylene hydrazone chemosensors TC12, SC16, and TC16 are prepared for the selective detection of F−. Two NH and one C=N units are incorporated into the sensors for better colorimetric responses, whereas the tetraphenyl unit is in charge of the aggregation-induced emission effect. Among them, compounds SC16 and TC16 form stable gels with some organic solvents. All the tetrahydrofuran/H2O solutions of the three compounds exhibit aggregation-induced emission effect, whereby the fluorescence emission increases by varying degrees with the volume of poor solvent water. Moreover, good aggregation-induced emission effects are observed in the self-assembly of SC16 and TC16. As a sample chemosensor, TC12 in tetrahydrofuran responds to F− selectively with high sensitivity, with the colorimetric and fluorometric detection limits of 8.25 × 10−7 mol·L–1 and 2.69 × 10−7 mol·L–1, respectively. The reversible gel-sol-gel phase transition and color changes indicate that both SC16-dimethyl sulfoxide and TC16-ethyl acetate gels specifically respond to F– with good sensitivity. The detection results are well supported by ultraviolet-visible spectroscopy, fluorescent spectroscopy, and 1H nuclear magnetic resonance. More importantly, the driving forces of gelation are visually clarified through the single crystal X-ray analysis of compound TOMe.

Keywords： organogelator     tetraphenylvinyldrazone     single crystal     aggregation-induced emission effect     ion sensing    

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photoluminescent carbon dots and its potential application as an efficient sensor probe for toxic lead(II) ion

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 5,   Pages 536-547 doi: 10.1007/s11705-022-2239-y

Abstract: members of the carbon family along with exposure of carbon dots due to their magnificent properties in sensingLead(II) ion is very venomous for both the environment and human health for which its detection is demandedIn the practical field of application, these carbon dots have been used as sensing probes for the detectionThe fluorescence intensity of carbon dots was remarkably quenched in the presence of the lead(II) ionAbility of the doped carbon dots in heavy metal ions sensing in an environmental sample was demonstrated

Keywords： carbon dots     fluorescence     heavy metal sensing     practical application     photoluminescence    

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(Super)paramagnetic nanoparticles as platform materials for environmental applications: From synthesis to demonstration

Wenlu Li, John D. Fortner

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 5, doi: 10.1007/s11783-020-1256-7

Abstract: Finally, we have demonstrated platform potential of these materials for heavy metal ions sensing, sorption

Keywords： Superparamagnetic nanoparticles     Surface functionalization     Environmental sensing     Heavy metal ion sorption    

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Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 2, doi: 10.1007/s11783-023-1625-0

Abstract:

● IEM ion/ion selectivities of charge, valence, & specific ion are

Keywords： Ion-exchange membranes     Selectivity     Separations    

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Novel sensing techniques for full-scale testing of civil structures

Kaoshan DAI, Zhenhua HUANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 240-256 doi: 10.1007/s11709-012-0172-8

Abstract: To help structural researchers and engineers get familiar with sensing technologies and select the mosteffective sensors, this study reviewed and categorized new sensing techniques for full-scale structuralThe detailed descriptions of wireless sensors and remote sensing techniques and their on-site full-scale

Keywords： sensing technique     full-scale testing     wireless sensor     remote sensing     LiDAR     laser vibrometer    

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Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Frontiers in Energy   Pages 775-781 doi: 10.1007/s11708-023-0902-8

Abstract: Aqueous zinc-ion batteries (ZIBs) have great prospects for widespread application in massive scale energyperformance is mainly attributed to the Al2O3 coating layer, which can increase zinc-ion

Keywords： cathodes     aqueous zinc-ion batteries     sodium vanadate     alumina     coating    

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An Ultracompact Spoof Surface Plasmon Sensing System for Adaptive and Accurate Detection of Gas Using

Xuanru Zhang,Jia Wen Zhu,Tie Jun Cui,

Engineering doi: 10.1016/j.eng.2023.05.013

Abstract: Resonantly enhanced dielectric sensing has superior sensitivity and accuracy because the signal is measuredWe proposed an ultracompact integrated sensing system that merges a spoof surface plasmon resonance sensorThe integrated sensing system was constructed on a printed circuit board with dimensions of 1.8 cm ×scanning mode and resonance tracking mode and achieving a signal-to-noise ratio of 69 dB in acetone vapor sensing

Keywords： Spoof surface plasmons     Internet of Things     Integrated sensing     Resonance tracking     Microwave sensing    

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Quorum sensing regulation methods and their effects on biofilm in biological waste treatment systems:

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1495-2

Abstract:

• Quorum sensing enhancement and inhibition methods are summarized.

Keywords： Quorum sensing     Biological waste treatment     Biofilm formation    

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Plasma-enabled sensing of urea and related amides on polyaniline

Harinarayanan Puliyalil,Petr Slobodian,Michal Sedlacik,Ruhan Benlikaya,Pavel Riha,Kostya (Ken) Ostrikov,Uroš Cvelbar

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 265-272 doi: 10.1007/s11705-016-1570-6

Abstract: The gas sensing mechanism of PANI is operating on the basis of reversible protonation or deprotonationHerein we manage to solve this problem and investigate the sensing mechanism of atmospheric plasma treatedimprovement of the sensitivity and selectivity towards other toxic and carcinogenic amide analytes for gas sensing

Keywords： gas sensing     urea     PANI     amides     plasma    

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Vanadium oxide cathode with synergistic engineering of calcium-ion intercalation and polyaniline coatingfor high performance zinc-ion batteries

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 9,   Pages 1244-1253 doi: 10.1007/s11705-022-2293-5

Abstract: Vanadium oxides as cathode for zinc-ion batteries have attracted much attention because of their highHerein, a synergistic engineering of calcium-ion intercalation and polyaniline coating was developedto achieve the superior electrochemical performance of vanadium pentoxide for zinc-ion batteries.The pre-intercalation of calcium-ion between vanadium pentoxide layers as pillars increase the crystalcoating was verified to effectively improve the electrochemical performance of zinc-ion batteries.

Keywords： zinc-ion battery     CaV8O20     polyaniline coating     synergistic engineering     high capacity    

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Ion-imprinted silica gel and its dynamic membrane for nickel ion removal from wastewaters

Jiehui Zeng, Jianxian Zeng, Hu Zhou, Guoqing Liu, Zhengqiu Yuan, Jian Jian

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1018-1028 doi: 10.1007/s11705-020-1915-z

Abstract: An ion-imprinted sorbent (IIP) was prepared by using Ni as template, 3-[2-(2-aminoethylamino) ethylamino

Keywords： ion-imprinted     nickel ion     dynamic membrane     adsorption    

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Highly selective metal recovery from spent lithium-ion batteries through stoichiometric hydrogen ion

Weiguang Lv, Xiaohong Zheng, Li Li, Hongbin Cao, Yi Zhang, Renjie Chen, Hancheng Ou, Fei Kang, Zhi Sun

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1243-1256 doi: 10.1007/s11705-020-2029-3

Abstract: Spent lithium-ion battery recycling has attracted significant attention because of its importance in

Keywords： recycling     spent LIBs     selective recovery     hydrothermal treatment    

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Preparation of lithium ion-sieve and utilizing in recovery of lithium from seawater

Lu WANG, Changgong MENG, Wei MA

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 65-67 doi: 10.1007/s11705-009-0105-9

Abstract: Among the adsorbents for lithium, the ion-sieve is a kind of special absorbent which has high selectivityfor Li , especially the spinel manganese oxides (SMO), which among the series of ion-sieves, has becomeIn this study, the SMO ion-sieve was prepared by a coprecipitation method.Recovery of Li from seawater were studied in batch experiments using prepared ion-sieve, and the effect

Keywords： lithium     ion-sieve     seawater     spinel manganese oxide    

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Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 8, doi: 10.1007/s11783-023-1702-4

Abstract:

● Column experiments with an inclined slope were applied to simulate NH4–N transport.

Keywords： Ion-absorbed rare earth     Ammonium nitrogen transport     HYDRUS-2D     Numerical simulation    

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Title Author Date Type Operation

Reduced texaphyrin: A ratiometric optical sensor for heavy metals in aqueous solution

Harrison D. Root, Gregory Thiabaud, Jonathan L. Sessler

Journal Article

investigation of novel tetraphenylvinyl hydrazone derivatives: efficient multimodal chemosensors for fluoride ion

Journal Article

photoluminescent carbon dots and its potential application as an efficient sensor probe for toxic lead(II) ion

Journal Article

(Super)paramagnetic nanoparticles as platform materials for environmental applications: From synthesis to demonstration

Wenlu Li, John D. Fortner

Journal Article

Advancing ion-exchange membranes to ion-selective membranes: principles, status, and opportunities

Journal Article

Novel sensing techniques for full-scale testing of civil structures

Kaoshan DAI, Zhenhua HUANG

Journal Article

Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Journal Article

An Ultracompact Spoof Surface Plasmon Sensing System for Adaptive and Accurate Detection of Gas Using

Xuanru Zhang,Jia Wen Zhu,Tie Jun Cui,

Journal Article

Quorum sensing regulation methods and their effects on biofilm in biological waste treatment systems:

Journal Article

Plasma-enabled sensing of urea and related amides on polyaniline

Harinarayanan Puliyalil,Petr Slobodian,Michal Sedlacik,Ruhan Benlikaya,Pavel Riha,Kostya (Ken) Ostrikov,Uroš Cvelbar

Journal Article

Vanadium oxide cathode with synergistic engineering of calcium-ion intercalation and polyaniline coatingfor high performance zinc-ion batteries

Journal Article

Ion-imprinted silica gel and its dynamic membrane for nickel ion removal from wastewaters

Jiehui Zeng, Jianxian Zeng, Hu Zhou, Guoqing Liu, Zhengqiu Yuan, Jian Jian

Journal Article

Highly selective metal recovery from spent lithium-ion batteries through stoichiometric hydrogen ion

Weiguang Lv, Xiaohong Zheng, Li Li, Hongbin Cao, Yi Zhang, Renjie Chen, Hancheng Ou, Fei Kang, Zhi Sun

Journal Article

Preparation of lithium ion-sieve and utilizing in recovery of lithium from seawater

Lu WANG, Changgong MENG, Wei MA

Journal Article

Migration of ammonium nitrogen in ion-absorbed rare earth soils during and post mining: a column study

Journal Article