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FRET-based Nanobiosensor for Detection of Scopolamine in Hairy Root Extraction of Atropa Belladonna

FRET-based Nanobiosensor for Detection of Scopolamine in Hairy Root Extraction of Atropa Belladonna

Fereshte Bagheri, Khosro Piri, Afshine Mohsenifar, Smaiil Ghaderi

Talanta. 2017 Mar 1;164:593-600.

PMID: 28107978

Abstract:

A simple, sensitive, selective, and rapid optical nanobiosensor based on FRET was designed to detect tropane alkaloids as anti-cholinergic agents in natural and transgenic hairy roots extracts of Atropa belladonna. To achieve that, conjugation of tioglycolyic acid capped cadmium telluride quantum Dots, M2 muscarinic receptor (Cd/Te QDs-M2R) and conjugation of scopolamine-rhodamine123 (Sc-Rho123) were performed. More specifically, proportional amounts of M2 muscarinic receptor and quantum dots (QDs) were conjugated while scopolamine (as a tropane alkaloid) and rhodamine123 were also combined and these moieties functioned as donor and acceptor pairs, respectively. The system response was linear over the range of 0.01-4µmolL-1 of scopolamine hydrochloride concentration with a detection limit of 0.001µmolL-1. The developed nanobiosensor was successfully used for in vitro recognition of scopolamine as an anti-cholinergic agent in the investigated plant extracts. In addition, Agrobacterium rhizogenesis mediated gene transfer technique was employed to generate hairy roots and to enhance the production of tropane alkaloids in the studied medicinal plant.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP55163	(−)-Scopolamine hydrochloride		55-16-3	Price

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