AIE diphenylquinoxaline-decorated Ni(II) coordination polymer as efficient multifunctional sensor for Cr2O72−, 2,4,6-trinitrophenol and nitrofuran antibiotics

Journal of Molecular Structure, Journal Year: 2025, Volume and Issue: unknown, P. 141760 - 141760

Published: Feb. 1, 2025

Language: Английский

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SERS substrate based on COFs@Ag for rapid detection of pefloxacin

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 21, 2025

The detection of pefloxacin in milk is significant importance for food safety. Traditional methods detecting often rely on techniques such as high-performance liquid chromatography (HPLC), which are complex and time-consuming. This article introduces a surface-enhanced Raman scattering (SERS) substrate based composite covalent organic frameworks (COFs) silver nanoparticles (AgNPs) the rapid milk. After testing (PEF) both water milk, limits were calculated to be 6.31 µg/L 82 with correlation coefficients 0.991 0.998, respectively. Furthermore, average recovery rate ranged from 96.25–106.17%, relative standard deviation (RSD) 4.32–8.88%. work offers simple method

Language: Английский

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Lanthanum(III) Coordination Polymer Decorated With 2,1,3‐Benzoxadiazole Units for Sensitive Luminescent Recognition of Sulfate Anion

Applied Organometallic Chemistry, Journal Year: 2025, Volume and Issue: 39(3)

Published: Feb. 21, 2025

ABSTRACT One‐dimensional coordination polymer La‐CP , {[La(H 2 O) (HL O ) (L )]·H O} n containing a new luminescent ligand 4,7‐di(4‐carboxypyrazol‐1‐yl)‐2,1,3‐benzoxadiazole (H L was synthesized. Upon excitation at 400 nm, the compound shows strong emission with maximum 550 nm high photoluminescence quantum yield of 43%. demonstrates sensing properties toward aluminum and gallium cations, as well dihydrogen phosphate sulfate anions through enhancement response. The limits detection were 0.42, 0.70, 0.37, 0.40 μM, respectively. is first example sensor for anion among all types polymers. uptake analytes under conditions evaluated, absorption result such proposed probable response mechanism.

Language: Английский

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SERS Substrate Based on COFs@Ag for Rapid Detection of Pefloxacin

Plasmonics, Journal Year: 2025, Volume and Issue: unknown

Published: March 31, 2025

Language: Английский

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Zn(II)/Cd(II) MOFs based on 2,5-thiophenedicarboxylic acid and bis(Imidazole) linkers for highly selective and sensitive detection of Fe3+ and Cr2O72-

Journal of Molecular Structure, Journal Year: 2024, Volume and Issue: 1319, P. 139408 - 139408

Published: July 22, 2024

Language: Английский

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Practicality and Compatibility of Cd(II) Coordination Polymer as Luminescent Sensor in Selective and Sensitive Detection of 3‐Nitrotyrosine Biomarker

Zeitschrift für anorganische und allgemeine Chemie, Journal Year: 2024, Volume and Issue: 650(17)

Published: June 25, 2024

Abstract Based on the mixed ligands of 1,4‐bis(2,4,6‐tricarboxylpyrid‐5‐yl)benzene (H 6 BTPB) and 1,4‐bis(imidazol‐1‐yl)benzene (bib), a new cadmium(II) coordination polymer with molecular formula {[Cd(bib)( μ 2 ‐H O)(H O) ](H 4 0.5 (bib) } n (CdCP) was constructed under solvothermal condition, displayed 3D supramolecular structure expanded by hydrogen bonds between 1D [Cd(bib)( ] ladder chain guests. Profiting from its superior stability inherent luminescence, prepared CdCP dispalyed great potential as highly sensitive selective luminescent sensor in trace detection 3‐NT biomarker both water real bodily fluids through luminescence quenching effects, K sv LODs being 2.408×10 5 M −1 30.3 nM water, 2.230×10 44.7 diluted urine, 2.249×10 43.9 serum, respectively. Subsequent mechanism studies indicated synergistic effect internal filtering effect, photo‐induced electron transfer, fluorescence resonance energy transfer determining response towards biomarker.

Language: Английский

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Two Stable Zn (II) Coordination Polymers as Dual‐Functional Luminescent Sensors for Efficient Detection of Nitrofurazone, Pefloxacin, and Cr₂O₇²⁻ in Water

Applied Organometallic Chemistry, Journal Year: 2024, Volume and Issue: 39(1)

Published: Dec. 10, 2024

ABSTRACT Two new Zn (II) coordination polymers, {[Zn (OBA)(L)]·H 2 O} n ( 1 ) and (TCPA) (L) ]·H ), were synthesized under hydrothermal condition. Here, L = 2‐(1 H ‐imidazol‐1‐yl)methyl)‐5,6‐dimethyl‐1 ‐benzo[ d ]imidazole, OBA 4,4′‐dicarboxydiphenyl ether, TCPA tetrachloroterephthalic acid. Structural analyses revealed that exhibits a 2D hcb topology of {6 3 } while displays four‐connected sql layer with the point symbol {4 4 .6 }. Both are extended to 3D supramolecular frameworks through hydrogen bonding interactions. These CPs demonstrate remarkable thermal chemical stability across wide pH range 12. Notably, they can serve as dual‐functional luminescent sensors for sensitive, selective, recyclable detection nitrofurazone (NFZ)/Cr O 7 2− ions (for pefloxacin (PEF)/Cr in aqueous solutions. The limits (LODs) towards NFZ Cr 2.20 × 10 −7 4.90 mol·L −1 , respectively. For LOD is 5.42 −8 PEF 3.40 ions. It worth noting this first report (II)‐CPs based on ligands sensing NFZ, PEF, And quenching mechanism was deeply investigated.

Language: Английский

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Highly sensitive and selective turn-on fluorescent chemosensors for detection of Hg2+ based on ESIPT

Journal of Molecular Structure, Journal Year: 2024, Volume and Issue: unknown, P. 141145 - 141145

Published: Dec. 1, 2024

Language: Английский

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Carboxylate bridging Cd(II)-based 1D coordination polymer: Structure, fabrication of Schottky device and selective sorption of Bromocresol Green

Inorganica Chimica Acta, Journal Year: 2024, Volume and Issue: 572, P. 122277 - 122277

Published: July 24, 2024

Language: Английский

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Sers Substrate Based on Cofs@Ag for Rapid Detection of Pefloxacin

Published: Jan. 1, 2024

Language: Английский

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