ArticleScience and technology of advanced materials2025
Naphthalimide-based fluorescent polymeric probe: a dual-phase sensor for formaldehyde detection.
Article in Science and technology of advanced materials, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Macromolecular Fluorimetric Probe With Naphthalimide Pendants for Selective Formaldehyde Detection.Chemistry, an Asian journal · 2026Article
- A Smartphone-Assisted Approach to Formaldehyde Detection Using Diethanolamine-Grafted Carbon Nanoparticles.ACS omega · 2026Article
- Functionalized carbon nanoparticles for smartphone-based sensing of formaldehyde.Nanoscale advances · 2026Article
- Recent Advances in Synthetic Isoquinoline-Based Derivatives in Drug Design.Molecules (Basel, Switzerland) · 2025Review
- A Highly Sensitive Formaldehyde Gas Sensor Based on AgSensors (Basel, Switzerland) · 2025Article
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Authors and funding
4 authors.
Funding
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Abstract
Formaldehyde (FA) is a common pollutant found indoors and outdoors, posing a significant threat to human health. Therefore, developing sensitive and efficient detection methods for FA is essential for environmental monitoring and protecting public health. Herein, we report a naphthalimide-conjugated water-soluble polymeric fluorescent probe for the detection of FA in both aqueous and vapor phases using fluorimetric methods. The aromatic amines present in the side chain of the polymer react with FA, forming a Schiff base (imine bond). This imine formation inhibits the photoinduced electron transfer (PET) process within the polymer, leading to a 'turn-on' fluorescence under 365 nm UV light. The probe is capable of selectively sensing FA with a detection limit as low as 1.36 nM in aqueous medium. The formation of imine is confirmed for the model reaction between 6-(4-aminophenyl)-2-(4-((4-vinylbenzyl)oxy)phenyl)-1 h-benzo[de]isoquinoline-1,3(2 h)-dione and FA by electrospray ionization mass spectrometry (ESI-MS) and nuclear magnetic resonance (NMR) titration methods. The mechanism behind 'turn-on' FA sensing is investigated using density functional theory (DFT) analysis. Additionally, the study demonstrates a facile approach for covalently attaching the polymer on the surface of a filter paper surface
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