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  • 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
PMID22866326
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
RES6003H-B7
SAFC
HEPES
RES6007H-A7
SAFC
HEPES sodium salt
54457
Sigma-Aldrich
HEPES, BioUltra, for molecular biology, ≥99.5% (T)
H3662
Sigma-Aldrich
HEPES sodium salt solution, 1M, BioReagent, suitable for cell culture
H7006
Sigma-Aldrich
HEPES sodium salt, ≥99.0% (titration)
H7523
Sigma-Aldrich
HEPES, BioXtra, pH 5.0-6.5 (1 M in H2O), ≥99.5% (titration)
H6147
Sigma-Aldrich
HEPES, BioXtra, suitable for mouse embryo cell culture, ≥99.5% (titration)
H4034
Sigma-Aldrich
HEPES, BioPerformance Certified, ≥99.5% (titration), suitable for cell culture
H3375
Sigma-Aldrich
HEPES, ≥99.5% (titration)
H3784
Sigma-Aldrich
HEPES sodium salt, BioPerformance Certified, suitable for cell culture, ≥99.0%
RDD035
Sigma-Aldrich
HEPES sodium salt, ≥99.5% (titration), free-flowing, Redi-Dri™
H3537
Sigma-Aldrich
HEPES solution, BioPerformance Certified, 1 M, suitable for cell culture, 0.2 μm filtered
83264
Sigma-Aldrich
HEPES buffer solution, 1 M in H2O
H0887
Sigma-Aldrich
HEPES solution, 1 M, pH 7.0-7.6, sterile-filtered, BioReagent, suitable for cell culture