지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2024.2
- 수록면
- 67 - 77 (11page)
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초록· 키워드
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This work reports the use of highly efficient nanocomposite material fabricated glassy carbon electrode (Ag(NPs)/ChS/GC) in the trace detection of Pb<SUP>2+</SUP> using differential pulse voltammetry (DPV). A facile method yielded the silane-grafted chitosan (ChS) using 3-trimethoxyoctylsilane, and the bioderived Ag(NPs) was in situ decorated on the ChS composite to obtain Ag(NPs)/ChS. X-ray Diffraction (XRD) results showed the presence of Ag(NPs) within the composite material. Spherical-shaped and uniform distribution of Ag(NPs) were observed in SEM and TEM images of the nanocomposite solid. The cyclic voltammetric studies revealed a significant increase in redox peak currents (i.e., 0.1283 mA), which was obtained using the Ag(NP)/ChS/GC compared to the bare glassy carbon electrode. Further, the electrochemical determination of Pb<SUP>2+</SUP> showed good linearity in anodic peak current and Pb<SUP>2+</SUP> concentrations (5.0-80.0 μg/L), and the limit of detection was 1.97 μg/L. With 10-fold increase in several cationic and anionic interfering ions, oxalic acid and glycine only show interference in determination of Pb<SUP>2+</SUP>. The reproducibility study showed a %RSD of 2.43%, and the electrode could be efficiently used for prolonged and repetitive detection having reasonably low %RSD of 2.55%. The real water analysis showed almost 100% recovery of Pb<SUP>2+</SUP> in two different real water samples.
목차
ABSTRACT
1. Introduction
2. Experiment
3. Results and Discussions
4. Conclusions
References
참고문헌 (52)
참고문헌 신청
Wani AL, Ara A, Usmani JA. Lead toxicity: a review. Interdiscip. Toxicol. 2015;8(2):55-64. https://doi.org/10.1515/intox-2015-0009.
Guo Z, Li D, Luo X-K, et al. Simultaneous determination of trace Cd(II), Pb(II) and Cu(II) by differential pulse anodic stripping voltammetry using a reduced graphene oxide-chitosan/poly-l-lysine nanocomposite modified glassy carbon electrode. J. Colloid. Interface Sci. 2017;490:11–22. https://doi.org/10.1016/j.jcis.2016.11.006.
Priya T, Dhanalakshmi N, Thinakaran N. Electrochemical behavior of Pb (II) on a heparin modified chitosan/graphene nanocomposite film coated glassy carbon electrode and its sensitive detection. Int. J. Biol. Macromol. 2017;104:672–680. https://doi.org/10.1016/j.ijbiomac.2017.06.082.
Lingerak WA, Wensveen-louter AMV., Slanina J. The Determination of Zinc, Cadmium, Lead and Copper in Precipitation by Computerized Differential Pulse Voltammetry. Int. J. Environ. Anal. Chem. 1985;19(2):85–98. https://doi.org/10.1080/03067318508077020.
Seenivasan R, Chang W-J, Gunasekaran S. Highly Sensitive Detection and Removal of Lead Ions in Water Using Cysteine- Functionalized Graphene Oxide/Polypyrrole Nanocomposite Film Electrode. ACS Appl. Mater. Interfaces. 2015;7(29):15935– 15943. https://doi.org/10.1021/acsami.5b03904.
Guo Z, Li D, Luo X-K, et al. Simultaneous determination of trace Cd(II), Pb(II) and Cu(II) by differential pulse anodic stripping voltammetry using a reduced graphene oxide-chitosan/poly-l-lysine nanocomposite modified glassy carbon electrode. J. Colloid. Interface Sci. 2017;490:11–22. https://doi.org/10.1016/j.jcis.2016.11.006.
Priya T, Dhanalakshmi N, Thinakaran N. Electrochemical behavior of Pb (II) on a heparin modified chitosan/graphene nanocomposite film coated glassy carbon electrode and its sensitive detection. Int. J. Biol. Macromol. 2017;104:672–680. https://doi.org/10.1016/j.ijbiomac.2017.06.082.
Lingerak WA, Wensveen-louter AMV., Slanina J. The Determination of Zinc, Cadmium, Lead and Copper in Precipitation by Computerized Differential Pulse Voltammetry. Int. J. Environ. Anal. Chem. 1985;19(2):85–98. https://doi.org/10.1080/03067318508077020.
Seenivasan R, Chang W-J, Gunasekaran S. Highly Sensitive Detection and Removal of Lead Ions in Water Using Cysteine- Functionalized Graphene Oxide/Polypyrrole Nanocomposite Film Electrode. ACS Appl. Mater. Interfaces. 2015;7(29):15935– 15943. https://doi.org/10.1021/acsami.5b03904.
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UCI(KEPA) : I410-ECN-0101-2023-539-001468708