ArticleScientific reports2016
Size-tunable copper nanocluster aggregates and their application in hydrogen sulfide sensing on paper-based devices.
Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed.
- Temperature-dependent luminescent copper nanoclusters with noncovalent interactions for determination of β-galactosidase activity.Mikrochimica acta · 2024Article
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- Review of Chemical Sensors for Hydrogen Sulfide Detection in Organisms and Living Cells.Sensors (Basel, Switzerland) · 2023Review
- Downregulation of Peroxidase Activity of Platinum Cube Enables Minute-Time Scale Colorimetric Signaling of Hypoxanthine for Fish Freshness Monitoring.Foods (Basel, Switzerland) · 2023Article
- Development of a paper printed colorimetric sensor based on Cu-Curcumin nanoparticles for evolving point-of-care clinical diagnosis of sodium.Scientific reports · 2022Article
- Theoretical Study of CO Adsorption Interactions with Cr-Doped Tungsten Oxide/Graphene Composites for Gas Sensor Application.ACS omega · 2022Article
- Review
- Computational design and clinical demonstration of a copper nanocluster based universal immunosensor for sensitive diagnostics.Nanoscale advances · 2020Article
- A Photoluminescent Colorimetric Probe of Bovine Serum Albumin-Stabilized Gold Nanoclusters for New Psychoactive Substances: Cathinone Drugs in Seized Street Samples.Sensors (Basel, Switzerland) · 2019Article
- Fluorescence-tunable copper nanoclusters and their application in hexavalent chromium sensing.RSC advances · 2019Article
- Development of ratiometric sensing and white light-harvesting materials based on all-copper nanoclusters.Nanoscale advances · 2019Article
- Poly(styrene-4-sulfonate)-protected copper nanoclusters as a fluorometric probe for sequential detection of cytochrome c and trypsin.Mikrochimica acta · 2018Article
- Laminated Copper Nanocluster Incorporated Antioxidative Paper Device with RGB System-Assisted Signal Improvement.Nanomaterials (Basel, Switzerland) · 2018Article
- Antibacterial cellulose paper made with silver-coated gold nanoparticles.Scientific reports · 2017Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Polystyrene sulfonate (PSS), a strong polyelectrolyte, was used to prepare red photoluminescent PSS-penicillamine (PA) copper (Cu) nanoclusters (NC) aggregates, which displayed high selectivity and sensitivity to the detection of hydrogen sulfide (H2S). The size of the PSS-PA-Cu NC aggregates could be readily controlled from 5.5 μm to 173 nm using different concentrations of PSS, which enabled better dispersity and higher sensitivity towards H2S. PSS-PA-Cu NC aggregates provided rapid H2S detection by using the strong Cu-S interaction to quench NC photoluminescence as a sensing mechanism. As a result, a detection limit of 650 nM, which is lower than the maximum level permitted in drinking water by the World Health Organization, was achieved for the analysis of H2S in spring-water samples. Moreover, highly dispersed PSS-PA-Cu NC aggregates could be incorporated into a plate-format paper-based analytical device which enables ultra-low sample volumes (5 μL) and feature shorter analysis times (30 min) compared to conventional solution-based methods. The advantages of low reagent consumption, rapid result readout, limited equipment, and long-term storage make this platform sensitive and simple enough to use without specialized training in resource constrained settings.
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