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Rhodamine B derivative-functionalized upconversion nanoparticles for FRET-based Fe(3+)-sensing.

Chemical communications (Cambridge, England) (2013-07-26)
Yujie Ding, Hao Zhu, Xiaoxia Zhang, Jun-Jie Zhu, Clemens Burda
ABSTRACT

A novel fluorescence resonance energy transfer (FRET)-based probe, γ-cyclodextrin modified oleic acid-NaYF4:Yb, Ho upconversion nanoparticles functionalized with a rhodamine B derivative (RBD), has been achieved for Fe(3+)-sensing in aqueous solution with high sensitivity and selectivity.

MATERIALI
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Sigma-Aldrich
Acido oleico, technical grade, 90%
Sigma-Aldrich
Acido oleico, ≥99% (GC)
Sigma-Aldrich
Acido oleico, BioReagent, suitable for cell culture
Sigma-Aldrich
Rhodamine B, ≥95% (HPLC)
Sigma-Aldrich
Rhodamine B, suitable for fluorescence
Sigma-Aldrich
Acido oleico, natural, FCC
Sigma-Aldrich
Acido oleico, meets analytical specification of Ph, Eur., 65.0-88.0% (GC)
Sigma-Aldrich
γ-Cyclodextrin, ≥98%
Supelco
Acido oleico, analytical standard
Sigma-Aldrich
γ-Cyclodextrin, Wacker Chemie AG, ≥90.0% cyclodextrin basis (HPLC)
Supelco
Rhodamine B, analytical standard
Sigma-Aldrich
Yttrium, chips, 99.9% trace rare earth metals basis
Sigma-Aldrich
γ-Cyclodextrin, powder, BioReagent, suitable for cell culture, ≥98%
Supelco
Rhodamine B solution, 0.2% in isopropanol, for TLC derivatization
Sigma-Aldrich
Yttrium sputtering target, diam. × thickness 2.00 in. × 0.25 in., 99.9% trace metals basis
Supelco
Acido oleico, Selectophore, ≥99%