The usefulness of Tb(4)O(7) nanoparticles (NPs) as analytical reagents using sensitized luminescence as a detection system is described for the first time, and the results obtained are compared with those obtained using Tb(III) ions. Two drugs used in veterinary practice, namely, lasalocid (LAS) and salicylate (SAL), have been chosen as model analytes to carry out this study. The experimental conditions for these systems have been optimized, and their analytical features were obtained. The detection limits obtained for LAS and SAL using Tb(4)O(7) NPs were 1.0 and 4.0 ng mL(-1), respectively, which were comparable to those obtained using Tb(III) ions: 1.8 and 1.0 ng mL(-1), respectively. However, precision data, with relative standard deviation values in the range 2.3-3.8% using the NPs and 3.5-6.5% using Tb(III) ions, were slightly better for LAS with Tb(4)O(7) NPs. The practical analytical usefulness of Tb(4)O(7) NPs as luminescent reagents has been shown by performing the determination of LAS in tap water, feed premix, and egg samples, obtaining recoveries in the range of 80.0-105.0%.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1021/jf303919q | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Design and synthesis of a new highly efficient adjustable Ln-MOF for fluorescence sensing and information encryption.
Spectrochim Acta A Mol Biomol Spectrosc
December 2024
School of Chemistry and Chemical Engineering, Shaanxi Key Laboratory of Chemical Reaction Engineering, Laboratory of New Energy & New Function Materials, Yanan University, Yan'an 716000, China.
Elemental analysis, infrared spectroscopy, and X-ray single crystal diffraction indicated that a novel metal-organic framework (Tb-MOF) designated as 0.5n[Hbpy]·[Tb(dpa)(HO)]·4nHO was synthesized successfully, (where Hdpa = 5-(3, 4-dicarboxy- phenoxy) isophenic acid, bpy = protonated 4,4'-bipyridine). Tb-MOF adopts a 3D network structure based on Tb ions and the (dpa) ligand through µ: η, η, η, η binding modes.
View Article and Find Full Text PDFRare earth benzene tetraanion-bridged amidinate complexes.
Chem Sci
December 2024
Frontier Institute of Science and Technology, State Key Laboratory of Electrical Insulation and Power Equipment, MOE Key Laboratory for Nonequilibrium Synthesis of Condensed Matter, Xi'an Key Laboratory of Electronic Devices and Materials Chemistry and School of Chemistry, Xi'an Jiaotong University 99 Yanxiang Road Xi'an Shaanxi 710054 P. R. China
The benzene tetraanion-bridged rare earth inverse arene amidinate complexes [{Ln(κ:η-Piso)}(μ-η:η-CH)] (2-Ln, Ln = Gd, Tb, Dy, Y; Piso = {(NDipp)C Bu}, Dipp = CH Pr-2,6) were prepared by the reduction of parent Ln(iii) bis-amidinate halide precursors [Ln(Piso)X] (Ln = Tb, Dy; X = Cl, I) or [Ln(Piso)I] (Ln = Gd, Y) with 3 eq. KC in benzene, or by the reaction of the homoleptic Ln(ii) complexes [Ln(Piso)] (Ln = Tb, Dy) with 2 eq. KC in benzene.
View Article and Find Full Text PDFInfluence of Hydroxycoumarin Substituents on the Photophysical Properties of Chiroptical Tb(III) and Eu(III) Complexes.
Inorg Chem
December 2024
Luminescent Materials Laboratory, DB, University of Verona, and INSTM, UdR Verona, Strada Le Grazie 15, Verona 37134, Italy.
Article Synopsis
- This article discusses the synthesis and structural characterization of chiral Tb(III) and Eu(III) complexes using two different ligands: an enantiopure diamine-based ligand and various hydroxycoumarin ligands.
- Different substituents on the coumarin ligands lead to varying efficiencies in capturing light, which affects the luminescence of the Tb(III) and Eu(III) complexes.
- The study includes theoretical calculations that explain the energy transfer processes in the complexes, alongside insights into how the coumarin ligands influence the chiroptical properties of the Tb(III) complexes.
Light-Emitting Coordination Polymers: Stimuli-Responsive Gels, PMMA-Based Composite Films, and UV-Shielding.
Inorg Chem
December 2024
Department of Chemistry, Faculty of Science and Technology, ICFAI University Tripura, Agartala 799210, Tripura, India.
Lanthanide-based light-emitting coordination polymers (CPs) and CP gels (CPGs) have significance for applications in optical systems, image processing/multiplexing, and optical sensors. In this study, we report two new luminescent CPs (EuL-CP () and TbL-CP ()) and CPGs (EuL-gel () and TbL-gel ()) using lanthanide(III) ions (Ln(III) = Eu(III) and Tb(III)) and 4-(4-carboxyphenyl)-2,2:6,2-terpyridine ligand () capable of forming stable thermoreversible gels. Probable structures of EuL-CP () and TbL-CP () and the formations of EuL-gel () and TbL-gel () are proposed based on adequate computational studies.
View Article and Find Full Text PDFTunable SIM properties in a family of 3D anilato-based lanthanide-MOFs.
Inorg Chem Front
September 2024
Instituto de Ciencia Molecular (ICMol), Universidad de Valencia Catedrático José Beltrán 2 46980 Paterna Spain
By reacting a 3,6-ditriazolyl-2,5-dihydroxybenzoquinone (HtrzAn) anilato linker with Ln ions (Ln = Dy, Tb, Ho), two different series of polymorphs, formulated as [Ln(trzAn)(HO)] ·10HO (Dy, 1a; Tb, 2a, Ho, 3a) and [Ln(trzAn)(HO)] ·7HO (Dy, 1b, Tb, 2b, Ho, 3b) have been obtained. In these series the two Dy-coordination networks (1a and 1b) and the Tb-coordination polymer (2b) show a Single Ion Magnet (SIM) behavior. 1-3a MOFs show reversible structural flexibility upon removal of a coordinated water molecule from a distorted hexagonal 2D framework to a distorted 3,6-brickwall rectangular 3D structure in [Ln(trzAn)(HO)] ·2HO (Dy, 1a_des; Tb, 2a_des, Ho, 3a_des) involving shrinkage/expansion of the hexagonal-rectangular networks.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!