Visual-Based Platform Using Sustainable Intrinsic Fluorescent Zn-Based Metal–Organic Framework for Detection of Folic Acid in Pharmaceutical Formulations

Qader, Idrees B.; Ameen, Sameera Sh. Mohammed; Qader, Hemn A.; Omer, Khalid M.

doi:10.1007/s10904-024-03322-x

J Inorg Organomet Polym

2024

DOI: 10.1007/s10904-024-03322-x

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Visual-Based Platform Using Sustainable Intrinsic Fluorescent Zn-Based Metal–Organic Framework for Detection of Folic Acid in Pharmaceutical Formulations

Idrees B. Qader,

Sameera Sh. Mohammed Ameen,

Hemn A. Qader

et al.

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Cited by 2 publications

References 48 publications

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Multifunctional MOF: Cold/hot adapted sustainable oxidase-like MOF nanozyme with ratiometric and color tonality for nitrite ions detection

Mohammad Ameen,

Omer

2025

Food Chemistry

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Multifunctional MOF: Cold/hot adapted sustainable oxidase-like MOF nanozyme with ratiometric and color tonality for nitrite ions detection

Mohammad Ameen,

Omer

2025

Food Chemistry

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Dual-State Red-Emitting Zinc-Based MOF Accompanied by Dual-Mode and Dual-State Detection: Color Tonality Visual Mode for the Detection of Tetracycline

Mohammed Ameen,

Omer

2024

ACS Appl. Mater. Interfaces

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Red-emitting metal−organic frameworks (MOFs) are still mostly based on the use of lanthanides or functionalization with red fluorophores. However, production of transition-metalbased MOFs with red-emitting is scarce. This work reports on the synthesis of a novel dual-state red-emitting Zn-based MOF (denoted as UoZ-7) with the capability to detect target molecules in dual state, in solution, and as solid on paper. UoZ-7 gives strong red emission when excited in the solution and in the solid state with 365 nm ultraviolet (UV) lamp irradiation. Coordinationinduced emission is the mechanism for the red emission enhancement in the MOF as a restriction of intramolecular rotation occurred to the ligand within the framework structure. UoZ-7 was successfully used for tetracycline (TC) using dual-mode detection, fluorescence-based ratiometry, and color tonality, in the dual state, in solution, and on the paper. TC molecules adsorb on the red-emitting UoZ-7 surface, and a yellow-greenish color emerges due to aggregation-induced emission between TC and UoZ-7. Concurrently, the inner filter effect diminishes the red emission of UoZ-7. The dual-mode or dual-state detection platform provides a simple and reliable fast method for the detection of TC on-site in various environmental and biomedical applications. Moreover, redemitting UoZ-7 will have further luminescence-based biomedical applications.

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Visual-Based Platform Using Sustainable Intrinsic Fluorescent Zn-Based Metal–Organic Framework for Detection of Folic Acid in Pharmaceutical Formulations

Cited by 2 publications

References 48 publications

Multifunctional MOF: Cold/hot adapted sustainable oxidase-like MOF nanozyme with ratiometric and color tonality for nitrite ions detection

Multifunctional MOF: Cold/hot adapted sustainable oxidase-like MOF nanozyme with ratiometric and color tonality for nitrite ions detection

Dual-State Red-Emitting Zinc-Based MOF Accompanied by Dual-Mode and Dual-State Detection: Color Tonality Visual Mode for the Detection of Tetracycline

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