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Functionalized-AgNPs for Long-Term Stability and Its Applicability in the Detection of Manganese Ions

Advances in polymer technology, 2020, Vol.2020, p.1-9 [Peer Reviewed Journal]

Copyright © 2020 Van-Tuan Hoang et al. ;Copyright © 2020 Van-Tuan Hoang et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. http://creativecommons.org/licenses/by/4.0 ;ISSN: 0730-6679 ;EISSN: 1098-2329 ;DOI: 10.1155/2020/9437108

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  • Title:
    Functionalized-AgNPs for Long-Term Stability and Its Applicability in the Detection of Manganese Ions
  • Author: Hoang, Van-Tuan ; Mai, Mai ; Thi Tam, Le ; Vu, Ngoc Phan ; Tien Khi, Nguyen ; Dinh Tam, Phuong ; Quang Huy, Tran ; Le, Anh-Tuan ; Xuan Dinh, Ngo ; Tran, Vinh-Hoang
  • Szekely, Gyorgy ; Gyorgy Szekely
  • Subjects: Ambient temperature ; Chelation ; Chemical bonds ; Colorimetry ; Correlation coefficients ; Fourier transforms ; Manganese ions ; Nanoparticles ; Nitrates ; Nitrogen ; Particle size ; Potential probes ; Silver ; Stability ; Stabilization ; Textiles
  • Is Part Of: Advances in polymer technology, 2020, Vol.2020, p.1-9
  • Description: In this study, silver nanoparticles (AgNPs) were functionalized by various molecules, including sodium borohydride (NaBH4), polyhexamethylene biguanide hydrochloride (PHMB), and Tween 80 to investigate the long-term stabilization of AgNPs in an aqueous dispersion. PHMB-functionalized silver nanoparticles (AgNPs/PHMB) exhibited better stability than others and could be stored at ambient temperature for at least 180 days. In addition to creating stabilization based on the electrostatic repulsion, the use of PHMB helped to increase the degree of stability of the colloidal AgNPs for a long time owing to strong interactions between Ag atoms on AgNPs with nitrogen (N) positions in PHMB molecules. The formed bond led to improving maintenance ability of the electrostatic repulsion layer among independent nanoparticles. The applicability of the as-prepared AgNPs/PHMB was also examined for Mn2+ detection via a colorimetric approach. The calibration curve was found to be linear over the range of 0–100 mM with a correlation coefficient of 0.97. The amine groups of PHMB brought out a cooperative effect to form of ion-templated chelation with Mn2+, which caused the aggregation of AgNPs/PHMB. This suggested that the AgNPs/PHMB could be used as a potential probe in the detection of Mn2+ ions. More importantly, the long-term stability of AgNPs/PHMB paved a great promising path to provide many further solutions for the producer in practical applications.
  • Publisher: London: Hindawi
  • Language: English
  • Identifier: ISSN: 0730-6679
    EISSN: 1098-2329
    DOI: 10.1155/2020/9437108
  • Source: Directory of Open Access Journals
    ProQuest Central
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