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Updated: Jan 2, 2026

08:23
Design and Development of Aptamer–Gold Nanoparticle Based Colorimetric Assays for In-the-field Applications
Published on: June 23, 2016
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Optical pico-biosensing of lead using plasmonic gold nanoparticles and a cationic peptide-based aptasensor
Manju Solra1, Rajni Bala, Nishima Wangoo
1Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Sector-14, Chandigarh 160014, India. rohitksg@pu.ac.in.
Abstract:
A novel biosensor for the rapid detection of lead ions employing the optical properties of AuNPs, a lead-specific aptamer and a cationic peptide has been demonstrated. The limit of detection of the biosensor was 98.7 pM, the lowest so far obtained using colorimetry.

