Fluorogenic dansyl-ligated gold nanoparticles for the detection of sulfur mustard by displacement assay.

Fluorogenic dansyl-ligated gold nanoparticles for the detection of sulfur mustard by displacement assay.

Chemical communications (Cambridge, England) (2013-02-15)

Richard C Knighton, Mark R Sambrook, Jack C Vincent, Simon A Smith, Christopher J Serpell, James Cookson, Matthew S Vickers, Paul D Beer

PMID23407752

ABSTRACT

The dansyl fluorophore ligated to gold nanoparticles via imidazole and amine groups affords conjugates capable of detecting micromolar concentrations of the chemical warfare agent sulfur mustard by a fluorescence switching 'ON' displacement assay.

MATERIALS

Product Number

Brand

Product Description

56748

Sigma-Aldrich

Imidazole, BioUltra, for molecular biology, ≥99.5% (GC)

56750

Sigma-Aldrich

Imidazole, puriss. p.a., ≥99.5% (GC)

56749

Sigma-Aldrich

Imidazole, BioUltra, ≥99.5% (GC)

197637

Sigma-Aldrich

Imidazole sodium derivative, technical grade

I202

Sigma-Aldrich

Imidazole, ReagentPlus^®, 99%

I5513

Sigma-Aldrich

Imidazole, for molecular biology, ≥99% (titration)

I0250

Sigma-Aldrich

Imidazole, ≥99% (titration), crystalline

I3386

Sigma-Aldrich

Imidazole hydrochloride

I0086000

Imidazole, European Pharmacopoeia (EP) Reference Standard

I2399

Sigma-Aldrich

Imidazole, ACS reagent, ≥99% (titration)

RDD039

Sigma-Aldrich

Imidazole, for molecular biology, ≥99% (titration), free-flowing, Redi-Dri^™

PHR1180

Supelco

Imidazole, Pharmaceutical Secondary Standard; Certified Reference Material

RDD044

Sigma-Aldrich

Imidazole, ReagentPlus^®, 99%, Redi-Dri^™, free-flowing

68268

Sigma-Aldrich

Imidazole buffer Solution, BioUltra, 1 M in H₂O