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Polyhedral Oligomeric Silsesquioxane Polymer-Caged Silver Nanoparticle as a Smart Colorimetric Probe for the Detection of Hydrogen Sulfide

The rapid and accurate detection of hydrogen sulfide is of great concern due to its unique role on environmental pollution and signal transmission in physiological systems. Herein, we report a smart colorimetric probe for the selective detection of HS. The probe is prepared via a surfactant-free rou... Full description

Journal Title: Analytical chemistry 17 January 2017, Vol.89(2), pp.1346-1352
Main Author: Zhang, Yue
Other Authors: Shen, Hui-Yan , Hai, Xin , Chen, Xu-Wei , Wang, Jian-Hua
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: E-ISSN: 1520-6882 ; PMID: 27936700 Version:1 ; DOI: 10.1021/acs.analchem.6b04407
Link: http://pubmed.gov/27936700
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title: Polyhedral Oligomeric Silsesquioxane Polymer-Caged Silver Nanoparticle as a Smart Colorimetric Probe for the Detection of Hydrogen Sulfide
format: Article
creator:
  • Zhang, Yue
  • Shen, Hui-Yan
  • Hai, Xin
  • Chen, Xu-Wei
  • Wang, Jian-Hua
subjects:
  • Colorimetry – Usage
  • Oligomers – Chemical Properties
  • Microwaves – Usage
ispartof: Analytical chemistry, 17 January 2017, Vol.89(2), pp.1346-1352
description: The rapid and accurate detection of hydrogen sulfide is of great concern due to its unique role on environmental pollution and signal transmission in physiological systems. Herein, we report a smart colorimetric probe for the selective detection of HS. The probe is prepared via a surfactant-free route with cross-linked polyhedral oligomeric silsesquioxane (POSS) polymer cage as capping ligand and reducing agent under microwave irradiation, called poly-POSS-formaldehyde polymer (PPF) cage-AgNPs or PPF-AgNPs for short. The caged silver nanoparticles are well-dispersed with narrow size distribution within 6.0-8.4 nm. Chloride ions and aldehyde groups in PPF make the nucleation and growth of Ag nanoparticles accomplished within a very short time of 1 min. The positively charged PPF-AgNPs exhibit excellent selectivity to HS against other anionic species and thiols due to the specific Ag-HS interaction, where the favorable protection effect of PPF polymer cage from the nanoparticle aggregation is demonstrated. The colorimetric probe presents a quick response to HS (
language: eng
source:
identifier: E-ISSN: 1520-6882 ; PMID: 27936700 Version:1 ; DOI: 10.1021/acs.analchem.6b04407
fulltext: fulltext
issn:
  • 15206882
  • 1520-6882
url: Link


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titlePolyhedral Oligomeric Silsesquioxane Polymer-Caged Silver Nanoparticle as a Smart Colorimetric Probe for the Detection of Hydrogen Sulfide
creatorZhang, Yue ; Shen, Hui-Yan ; Hai, Xin ; Chen, Xu-Wei ; Wang, Jian-Hua
ispartofAnalytical chemistry, 17 January 2017, Vol.89(2), pp.1346-1352
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descriptionThe rapid and accurate detection of hydrogen sulfide is of great concern due to its unique role on environmental pollution and signal transmission in physiological systems. Herein, we report a smart colorimetric probe for the selective detection of HS. The probe is prepared via a surfactant-free route with cross-linked polyhedral oligomeric silsesquioxane (POSS) polymer cage as capping ligand and reducing agent under microwave irradiation, called poly-POSS-formaldehyde polymer (PPF) cage-AgNPs or PPF-AgNPs for short. The caged silver nanoparticles are well-dispersed with narrow size distribution within 6.0-8.4 nm. Chloride ions and aldehyde groups in PPF make the nucleation and growth of Ag nanoparticles accomplished within a very short time of 1 min. The positively charged PPF-AgNPs exhibit excellent selectivity to HS against other anionic species and thiols due to the specific Ag-HS interaction, where the favorable protection effect of PPF polymer cage from the nanoparticle aggregation is demonstrated. The colorimetric probe presents a quick response to HS (<3 min) and favorable sensitivity within a linear range of 0.7-10 μM along with a detection limit of 0.2 μM. The probe is well demonstrated by analysis of HS in various water and biological samples.
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descriptionThe rapid and accurate detection of hydrogen sulfide is of great concern due to its unique role on environmental pollution and signal transmission in physiological systems. Herein, we report a smart colorimetric probe for the selective detection of HS. The probe is prepared via a surfactant-free route with cross-linked polyhedral oligomeric silsesquioxane (POSS) polymer cage as capping ligand and reducing agent under microwave irradiation, called poly-POSS-formaldehyde polymer (PPF) cage-AgNPs or PPF-AgNPs for short. The caged silver nanoparticles are well-dispersed with narrow size distribution within 6.0-8.4 nm. Chloride ions and aldehyde groups in PPF make the nucleation and growth of Ag nanoparticles accomplished within a very short time of 1 min. The positively charged PPF-AgNPs exhibit excellent selectivity to HS against other anionic species and thiols due to the specific Ag-HS interaction, where the favorable protection effect of PPF polymer cage from the nanoparticle aggregation is demonstrated. The colorimetric probe presents a quick response to HS (<3 min) and favorable sensitivity within a linear range of 0.7-10 μM along with a detection limit of 0.2 μM. The probe is well demonstrated by analysis of HS in various water and biological samples.
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abstractThe rapid and accurate detection of hydrogen sulfide is of great concern due to its unique role on environmental pollution and signal transmission in physiological systems. Herein, we report a smart colorimetric probe for the selective detection of HS. The probe is prepared via a surfactant-free route with cross-linked polyhedral oligomeric silsesquioxane (POSS) polymer cage as capping ligand and reducing agent under microwave irradiation, called poly-POSS-formaldehyde polymer (PPF) cage-AgNPs or PPF-AgNPs for short. The caged silver nanoparticles are well-dispersed with narrow size distribution within 6.0-8.4 nm. Chloride ions and aldehyde groups in PPF make the nucleation and growth of Ag nanoparticles accomplished within a very short time of 1 min. The positively charged PPF-AgNPs exhibit excellent selectivity to HS against other anionic species and thiols due to the specific Ag-HS interaction, where the favorable protection effect of PPF polymer cage from the nanoparticle aggregation is demonstrated. The colorimetric probe presents a quick response to HS (<3 min) and favorable sensitivity within a linear range of 0.7-10 μM along with a detection limit of 0.2 μM. The probe is well demonstrated by analysis of HS in various water and biological samples.
doi10.1021/acs.analchem.6b04407
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date2017-01-17