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Fluorescent electronic tongue based on soluble conjugated polymeric nanoparticles for the discrimination of heavy metal ions in aqueous solution
- Source :
- Polymer Chemistry. 10:2256-2262
- Publication Year :
- 2019
- Publisher :
- Royal Society of Chemistry (RSC), 2019.
-
Abstract
- A fluorescence sensing array (or fluorescent electronic tongue) based on six sorts of soluble conjugated polymeric nanoparticles (SCPNs) decorated with PEG chains is designed for the rapid identification of heavy metal ions in water. The observed fluorescence attenuation originates from the photoinduced electron transfer (PET) between the sensors (donors) and the target analytes (acceptors). An 18-dimensional vector generated by the array is then subjected to linear discriminant analysis (LDA) and hierarchical clustering analysis (HCA) to build a chemical database pool for distinguishing nine analytes (Cr3+, Fe3+, Co2+, Zn2+, Cu2+, Pb2+, Sn4+, Ni2+, Cd2+) at 1 mM level. The prediction tests of “unknown samples” using the array are carried out, reaching 100% accuracy. With good disposability (filter paper as substrates) and high sensitivity (within minutes exposure time), this type of SCPN-based fluorescent electronic tongue enables multiple heavy metal ion detection and water quality analysis with high efficiency and low cost.
- Subjects :
- Analyte
Polymers and Plastics
Filter paper
Chemistry
Electronic tongue
Metal ions in aqueous solution
Organic Chemistry
Inorganic chemistry
Bioengineering
02 engineering and technology
Conjugated system
010402 general chemistry
021001 nanoscience & nanotechnology
01 natural sciences
Biochemistry
Fluorescence
Photoinduced electron transfer
0104 chemical sciences
Metal
visual_art
visual_art.visual_art_medium
0210 nano-technology
Subjects
Details
- ISSN :
- 17599962 and 17599954
- Volume :
- 10
- Database :
- OpenAIRE
- Journal :
- Polymer Chemistry
- Accession number :
- edsair.doi...........a96cd567f8b7899453ae31c9d735db33