Cover Image

Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II)

We developed a facile method for the synthesis of Gold nanoparticles (AuNPs) stabilized by cationic 1-(3-(acetylthio)propyl)pyrazin-1-ium ligand denoted as APP. Gold nanoparticles stabilized by APP (APP-AuNPs) are found to be polydispersed in size and lie in the range of 5–10 nm. We report a robust...

Full description

Saved in:
Bibliographic Details
Main Authors: Anwar, Ayaz, Minhaz, Aaliya, Khan, Naveed Ahmed, Kalantari, Katayoon, Afifi, Amalina Muhammad, Shah, Muhammad Raza
Format: Article
Published: Elsevier 2018
Subjects:
QD Chemistry
QH Natural history
TJ Mechanical engineering and machinery
Online Access:http://eprints.um.edu.my/22463/
https://doi.org/10.1016/j.snb.2017.11.040
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.um.eprints.22463
record_format eprints
spelling my.um.eprints.224632019-09-20T02:43:12Z http://eprints.um.edu.my/22463/ Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II) Anwar, Ayaz Minhaz, Aaliya Khan, Naveed Ahmed Kalantari, Katayoon Afifi, Amalina Muhammad Shah, Muhammad Raza QD Chemistry QH Natural history TJ Mechanical engineering and machinery We developed a facile method for the synthesis of Gold nanoparticles (AuNPs) stabilized by cationic 1-(3-(acetylthio)propyl)pyrazin-1-ium ligand denoted as APP. Gold nanoparticles stabilized by APP (APP-AuNPs) are found to be polydispersed in size and lie in the range of 5–10 nm. We report a robust and sensitive protocol for the detection of heavy toxic metal ion Pd(II) in water using APP-AuNPs. From the fifteen salts tested, APP-AuNPs demonstrated a sensitive and selective spectrophotometric signal, as well as naked eye indication for recognition of Pd(II) ions. Pd(II) ions caused a colorimetric, distinguished response to APP-AuNPs based on the aggregation induced decrease of surface plasmon resonance (SPR) band. The nanosensor probe displayed a sensitive response to the Pd(II) ions in a wide range of concentration and pH, with detection limit of as low as 4.23 μM. Furthermore, the decrease in SPR band of APP-AuNPs due to Pd(II) ions was unaffected by tap water samples and/or human blood plasma. Elsevier 2018 Article PeerReviewed Anwar, Ayaz and Minhaz, Aaliya and Khan, Naveed Ahmed and Kalantari, Katayoon and Afifi, Amalina Muhammad and Shah, Muhammad Raza (2018) Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II). Sensors and Actuators B: Chemical, 257. pp. 875-881. ISSN 0925-4005 https://doi.org/10.1016/j.snb.2017.11.040 doi:10.1016/j.snb.2017.11.040
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic QD Chemistry
QH Natural history
TJ Mechanical engineering and machinery
spellingShingle QD Chemistry
QH Natural history
TJ Mechanical engineering and machinery
Anwar, Ayaz
Minhaz, Aaliya
Khan, Naveed Ahmed
Kalantari, Katayoon
Afifi, Amalina Muhammad
Shah, Muhammad Raza
Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II)
description We developed a facile method for the synthesis of Gold nanoparticles (AuNPs) stabilized by cationic 1-(3-(acetylthio)propyl)pyrazin-1-ium ligand denoted as APP. Gold nanoparticles stabilized by APP (APP-AuNPs) are found to be polydispersed in size and lie in the range of 5–10 nm. We report a robust and sensitive protocol for the detection of heavy toxic metal ion Pd(II) in water using APP-AuNPs. From the fifteen salts tested, APP-AuNPs demonstrated a sensitive and selective spectrophotometric signal, as well as naked eye indication for recognition of Pd(II) ions. Pd(II) ions caused a colorimetric, distinguished response to APP-AuNPs based on the aggregation induced decrease of surface plasmon resonance (SPR) band. The nanosensor probe displayed a sensitive response to the Pd(II) ions in a wide range of concentration and pH, with detection limit of as low as 4.23 μM. Furthermore, the decrease in SPR band of APP-AuNPs due to Pd(II) ions was unaffected by tap water samples and/or human blood plasma.
format Article
author Anwar, Ayaz
Minhaz, Aaliya
Khan, Naveed Ahmed
Kalantari, Katayoon
Afifi, Amalina Muhammad
Shah, Muhammad Raza
author_facet Anwar, Ayaz
Minhaz, Aaliya
Khan, Naveed Ahmed
Kalantari, Katayoon
Afifi, Amalina Muhammad
Shah, Muhammad Raza
author_sort Anwar, Ayaz
title Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II)
title_short Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II)
title_full Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II)
title_fullStr Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II)
title_full_unstemmed Synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: A new colorimetric nanosensor for detection of heavy metal Pd(II)
title_sort synthesis of gold nanoparticles stabilized by a pyrazinium thioacetate ligand: a new colorimetric nanosensor for detection of heavy metal pd(ii)
publisher Elsevier
publishDate 2018
url http://eprints.um.edu.my/22463/
https://doi.org/10.1016/j.snb.2017.11.040
_version_ 1646210248929705984
score 13.251813

Similar Items