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