Skip to Content

Highly selective fluorescence turn-on sensing of gold ions by a nanoparticle generation/C-I bond cleavage sequence.

Highly selective fluorescence turn-on sensing of gold ions by a nanoparticle generation/C-I bond cleavage sequence.

The Analyst (2012-08-07)

Jihye Park, Sohee Choi, Tae-Il Kim, Youngmi Kim

ABSTRACT

We have developed a quickly responsive, and specific fluorescent assay for the detection of Au(III) on the basis of the formation of gold nanoparticles in the presence of HEPES, which cleave the C-I bond of I-BODIPY 1 to yield the highly fluorescent H-BODIPY 2.

MATERIALS

Product Number

Brand

Product Description

Sigma-Aldrich

HEPES sodium salt, ≥99.5% (titration), free-flowing, Redi-Dri^™

Sigma-Aldrich

HEPES, BioUltra, for molecular biology, ≥99.5% (T)

Sigma-Aldrich

HEPES sodium salt solution, 1M, BioReagent, suitable for cell culture

Sigma-Aldrich

HEPES sodium salt, ≥99.0% (titration)

Sigma-Aldrich

HEPES, BioXtra, pH 5.0-6.5 (1 M in H₂O), ≥99.5% (titration)

Sigma-Aldrich

HEPES, BioXtra, suitable for mouse embryo cell culture, ≥99.5% (titration)

Sigma-Aldrich

HEPES, BioPerformance Certified, ≥99.5% (titration), suitable for cell culture

Sigma-Aldrich

HEPES, ≥99.5% (titration)

Sigma-Aldrich

HEPES sodium salt, BioPerformance Certified, suitable for cell culture, ≥99.0%

Sigma-Aldrich

HEPES sodium salt, BioXtra, ≥99.0% (titration)

Sigma-Aldrich

HEPES buffer solution, 1 M in H₂O

Sigma-Aldrich

HEPES solution, BioPerformance Certified, 1 M, suitable for cell culture, 0.2 μm filtered

Sigma-Aldrich

HEPES solution, 1 M, pH 7.0-7.6, sterile-filtered, BioReagent, suitable for cell culture

Sigma-Aldrich

HEPES sodium salt hydrate, ≥99% (titration)