From the journal:

Chemical Communications

A plasmon-enhanced fluorescent nanoprobe for ultrasensitive and selective detection of nitroaniline derivatives†

Farhin Akhtar,‡a   Santanu Dolai,‡b   Sabyasachi Pramanik ORCID logo *a  and  Satyapriya Bhandari ORCID logo *c  

* Corresponding authors

a Department of Engineering Sciences, Rajiv Gandhi Institute of Petroleum Technology Sivasagar Campus, Sivasagar, Assam-785697, India
E-mail: spramanik@rgipt.ac.in

b Department of Chemistry, Indian Institute of Technology Guwahati, Assam-781039, India

c Department of Chemistry, Kandi Raj College, Affiliated to University of Kalyani, West Bengal-742137, India
E-mail: satyapriya.bhandari@krc.edu.in

Abstract

A water-soluble, plasmon-enhanced fluorescent nanoprobe is engineered through Zn2+-directed assembly of HQS-capped silver nanoparticles and zinc quinolate complexes. Plasmonic coupling amplifies emission, enabling selective ppb-level detection of 4-nitroaniline and 2,4-dinitroaniline via NH2 → Zn2+ coordination-induced static quenching, delivering excellent sensitivity in real water matrices with high selectivity, sensitivity, and environmental applicability.

Graphical abstract: A plasmon-enhanced fluorescent nanoprobe for ultrasensitive and selective detection of nitroaniline derivatives

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Article information

DOI
https://doi.org/10.1039/D5CC07258A
Article type
Communication
Submitted
23 Dec 2025
Accepted
04 Mar 2026
First published
12 Mar 2026

Chem. Commun., 2026, Advance Article

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A plasmon-enhanced fluorescent nanoprobe for ultrasensitive and selective detection of nitroaniline derivatives

F. Akhtar, S. Dolai, S. Pramanik and S. Bhandari, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D5CC07258A

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