Resorcinol Functionalized Gold Nanoparticles for Formaldehyde Colorimetric Detection

6533b7d1fe1ef96bd125c4ab

RESEARCH PRODUCT

Resorcinol Functionalized Gold Nanoparticles for Formaldehyde Colorimetric Detection

Ana M. Costero Ana M. Costero Salvador Gil Salvador Gil Pablo Gaviña Pablo Gaviña Carlos Martínez-aquino

subject

Detection limit Resorcinol General Chemical Engineering Formaldehyde Nanoparticle Resorcinol Article lcsh:Chemistry chemistry.chemical_compound chemistry Polymerization lcsh:QD1-999 Colloidal gold Formaldehyde gold nanoparticles colorimetric detection Gold nanoparticles formaldehyde General Materials Science resorcinol Colorimetric detection Nuclear chemistry

description

[EN] Gold nanoparticles functionalized with resorcinol moieties have been prepared and used for detecting formaldehyde both in solution and gas phases. The detection mechanism is based on the color change of the probe upon the aggregation of the nanoparticles induced by the polymerization of the resorcinol moieties in the presence of formaldehyde. A limit of detection of 0.5 ppm in solution has been determined. The probe can be deployed for the detection of formaldehyde emissions from composite wood boards.

year	journal	country	edition	language
2019-02-22	Nanomaterials

10.3390/nano9020302 https://www.mdpi.com/2079-4991/9/2/302

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