ArticleScientific reports2015
Real-time selective visual monitoring of Hg(2+) detection at ppt level: An approach to lighting electrospun nanofibers using gold nanoclusters.
Article in Scientific reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 64 citations in OpenAlex.
- Tetramethylbenzidine loaded PVA nanofibers strip for visual detection of hydrogen peroxide via CuJournal of biological engineering · 2026Article
- Advances in electrospun nanofibrous membrane sensors for ion detection.RSC advances · 2022Review
- New Trends in Fluorescent Nanomaterials-Based Bio/Chemical Sensors for Neurohormones Detection-A Review.ACS omega · 2022Review
- Metal Nanostructures for Environmental Pollutant Detection Based on Fluorescence.Nanomaterials (Basel, Switzerland) · 2021Review
- Functionalized Electrospun Nanofibers as a Versatile Platform for Colorimetric Detection of Heavy Metal Ions in Water: A Review.Materials (Basel, Switzerland) · 2020Review
- Hydrochromic carbon dots as smart sensors for water sensing in organic solvents.Nanoscale advances · 2019Article
- Functionalized Electrospun Nanofibers as Colorimetric Sensory Probe for Mercury Detection: A Review.Sensors (Basel, Switzerland) · 2019Review
- Esterase-Mediated Highly Fluorescent Gold Nanoclusters and Their Use in Ultrasensitive Detection of Mercury: Synthetic and Mechanistic Aspects.ACS omega · 2018Article
- Photoluminescent AuNCs@UiO-66 for Ultrasensitive Detection of Mercury in Water Samples.ACS omega · 2018Article
- Review
- Fluorescent nanoprobes for sensing and imaging of metal ions: recent advances and future perspectives.Nano today · 2016Article
- Immobilization of gold nanoclusters inside porous electrospun fibers for selective detection of Cu(II): A strategic approach to shielding pristine performance.Scientific reports · 2015Article
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In this work, fluorescent gold nanocluster (AuNC) decorated polycaprolactone (PCL) nanofibers (AuNC*PCL-NF) for real time visual monitoring of Hg(2+) detection at ppt level in water is demonstrated. The resultant AuNC*PCL-NF exhibiting remarkable stability more than four months at ambient environment and facilitates increased accessibility to active sites resulting in improved sensing performance with rapid response time. The fluorescence changes of AuNC*PCL-NF and their corresponding time dependent spectra, upon introduction of Hg(2+), led to the visual identification of the sensor performance. It is observed that the effective removal of excess ligand (bovine serum albumin (BSA) greatly enhances the surface exposure of AuNC and therefore their selective sensing performance is achieved over competent metal ions such as Cu(2+), Ni(2+), Mn(2+), Zn(2+), Cd(2+), and Pb(2+) present in the water. An exceptional interaction is observed between AuNC and Hg(2+), wherein the absence of excess interrupting ligand makes AuNC more selective towards Hg(2+). The underlying mechanism is found to be due to the formation of Au-Hg amalgam, which was further investigated with XPS, TEM and elemental mapping studies. In short, our findings may lead to develop very efficient fluorescent-based nanofibrous mercury sensor, keeping in view of its stability, simplicity, reproducibility, and low cost.
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