Cavitand-Grafted Silicon Microcantilevers as a Universal Probe for Illicit and Designer Drugs in Water

The direct, clean, and unbiased transduction of molecular recognition into a readable and reproducible response is the biggest challenge associated to the use of synthetic receptors in sensing. All possible solutions demand the mastering of molecular recognition at the solid–liquid interface as prer...

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Veröffentlicht in:Angewandte Chemie International Edition 2014-08, Vol.53 (35), p.9183-9188
Hauptverfasser: Biavardi, Elisa, Federici, Stefania, Tudisco, Cristina, Menozzi, Daniela, Massera, Chiara, Sottini, Andrea, Condorelli, Guglielmo G., Bergese, Paolo, Dalcanale, Enrico
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container_end_page 9188
container_issue 35
container_start_page 9183
container_title Angewandte Chemie International Edition
container_volume 53
creator Biavardi, Elisa
Federici, Stefania
Tudisco, Cristina
Menozzi, Daniela
Massera, Chiara
Sottini, Andrea
Condorelli, Guglielmo G.
Bergese, Paolo
Dalcanale, Enrico
description The direct, clean, and unbiased transduction of molecular recognition into a readable and reproducible response is the biggest challenge associated to the use of synthetic receptors in sensing. All possible solutions demand the mastering of molecular recognition at the solid–liquid interface as prerequisite. The socially relevant issue of screening amine‐based illicit and designer drugs is addressed by nanomechanical recognition at the silicon–water interface. The methylamino moieties of different drugs are all first recognized by a single cavitand receptor through a synergistic set of weak interactions. The peculiar recognition ability of the cavitand is then transferred with high fidelity and robustness on silicon microcantilevers and harnessed to realize a nanomechanical device for label‐free detection of these drugs in water. Get them all! The widespread diffusion of methamphetamines and related designer drugs is a great challenge for our society, with significant impact on human health and social security. A cavitand‐grafted microcantilever device has been developed that is able to detect the whole class of methamphetamine drugs in water. This method acts independently of the type of residue attached to the target methylammonium unit.
doi_str_mv 10.1002/anie.201404774
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source MEDLINE; Wiley Online Library Journals Frontfile Complete
subjects cantilevers
cavitands
designer drugs
Designer Drugs - analysis
Designer Drugs - chemistry
Devices
Drugs
Illicit
illicit drugs
Methamphetamine
Methamphetamine - analysis
Methamphetamine - chemistry
molecular recognition
Molecular Structure
Nanostructure
Receptors
Recognition
Silicon
Silicon - chemistry
Substance Abuse Detection - methods
Water - chemistry
title Cavitand-Grafted Silicon Microcantilevers as a Universal Probe for Illicit and Designer Drugs in Water
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