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Simultaneously Selective Detection of Trace Lead and Cadmium Ions by Bi-Modified Delaminated Ti 3 C 2 T x /GCE Sensor: Optimization, Performance and Mechanism Insights.

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Title: Simultaneously Selective Detection of Trace Lead and Cadmium Ions by Bi-Modified Delaminated Ti 3 C 2 T x /GCE Sensor: Optimization, Performance and Mechanism Insights.
Authors: Peng, Ruhua1 (AUTHOR), Tao, Kai1,2 (AUTHOR), Liu, Baixiong1 (AUTHOR), Chen, Jiayu1,2 (AUTHOR), Zhang, Yunhang1 (AUTHOR), Tan, Yuxiang1 (AUTHOR), Zuo, Fuqiang2 (AUTHOR), Song, Caihua2 (AUTHOR), He, Xingyu1,2 (AUTHOR) hxyjxust@126.com
Source: Materials (1996-1944). Jun2025, Vol. 18 Issue 12, p2828. 17p.
Subjects: Electrochemical analysis, Square waves, Electrochemical sensors, Lead, Environmental health
Abstract: Lead (Pb) and cadmium (Cd) ions have serious negative impacts on human health and the ecological environment due to toxicity, persistence and nonbiodegradability. Among various trace Pb and Cd ions detection technologies, electrochemical analysis is considered as one of the most promising methods. The deposition of Bi nanoparticles on delaminated Ti3C2Tx (DL-Ti3C2Tx) develops a sensor with good conductivity and performance. Square wave anodic stripping voltammetry (SWASV) technology was applied to simultaneously deposit Bi on DL-Ti3C2Tx/GCE and achieve the rapid detection of Pb and Cd ions. The Bi nanoparticles effectively improved the sensitivity of Bi/DL-Ti3C2Tx/GCE sensors to detect Pb and Cd ions. The preparation conditions of the Bi/DL-Ti3C2Tx/GCE were optimized, including DL-Ti3C2Tx droplet amount, solution pH, Bi3+ concentration, deposition time and deposition potential, to improve the detection ability. The Bi/DL-Ti3C2Tx/GCE sensor has detection limits of 1.73 and 1.06 μg/L for Pb and Cd ions, respectively (S/N > 3). This electrochemical sensor is easy, sensitive and selective to apply in actual water samples for trace Pb and Cd ions detection. [ABSTRACT FROM AUTHOR]
Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Simultaneously Selective Detection of Trace Lead and Cadmium Ions by Bi-Modified Delaminated Ti 3 C 2 T x /GCE Sensor: Optimization, Performance and Mechanism Insights.
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  Data: Lead (Pb) and cadmium (Cd) ions have serious negative impacts on human health and the ecological environment due to toxicity, persistence and nonbiodegradability. Among various trace Pb and Cd ions detection technologies, electrochemical analysis is considered as one of the most promising methods. The deposition of Bi nanoparticles on delaminated Ti3C2Tx (DL-Ti3C2Tx) develops a sensor with good conductivity and performance. Square wave anodic stripping voltammetry (SWASV) technology was applied to simultaneously deposit Bi on DL-Ti3C2Tx/GCE and achieve the rapid detection of Pb and Cd ions. The Bi nanoparticles effectively improved the sensitivity of Bi/DL-Ti3C2Tx/GCE sensors to detect Pb and Cd ions. The preparation conditions of the Bi/DL-Ti3C2Tx/GCE were optimized, including DL-Ti3C2Tx droplet amount, solution pH, Bi3+ concentration, deposition time and deposition potential, to improve the detection ability. The Bi/DL-Ti3C2Tx/GCE sensor has detection limits of 1.73 and 1.06 μg/L for Pb and Cd ions, respectively (S/N > 3). This electrochemical sensor is easy, sensitive and selective to apply in actual water samples for trace Pb and Cd ions detection. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Electrochemical analysis
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      – SubjectFull: Square waves
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      – SubjectFull: Electrochemical sensors
        Type: general
      – SubjectFull: Lead
        Type: general
      – SubjectFull: Environmental health
        Type: general
    Titles:
      – TitleFull: Simultaneously Selective Detection of Trace Lead and Cadmium Ions by Bi-Modified Delaminated Ti 3 C 2 T x /GCE Sensor: Optimization, Performance and Mechanism Insights.
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            NameFull: Peng, Ruhua
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            NameFull: Tao, Kai
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            – D: 15
              M: 06
              Text: Jun2025
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              Y: 2025
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