Linker-Eliminated Nano Metal–Organic Framework Fluorescent Probe for Highly Selective and Sensitive Phosphate Ratiometric Detection in Water and Body Fluids

Ma, Yu; Zhang, Yingqiu; Li, Xiangyuan; Yang, Peng; Yue, Jie-Yu; Jiang, Yu; Tang, Bo

doi:10.1021/acs.analchem.9b04958

Cited by 92 publications

(62 citation statements)

References 46 publications

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“…In addition, there exhibits a good linear relation- ship between the F 0 /F value of the ICP and the concentration of Pi in the range from 30 to 600 μM. Furthermore, based on 3σ/k, where σ is the standard deviation of the blank and k is the slope of the linear fitting, the detection limit of the ICP for Pi is calculated to be 5 μM which is much lower than the physiological level, [41][42][43] thus demonstrating the application potential of the ICP in biological samples.…”

Section: Fluorescent Detection Of Pimentioning

confidence: 87%

AIE Infinite Coordination Polymer for Phosphate Ion Detection via Aggregation State Modulation

Yang

Dong

et al. 2020

ChemistrySelect

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Coordination polymers (CPs) with aggregation-induced emission (AIE) have been widely applied to fluorescent sensing based on the strategy of electron or energy transfer. Novel strategies still need to be explored to promote the application of AIE CPs in fluorescent sensing. Herein, an infinite coordination polymer (ICP), synthesized from Zn 2 + , adenine and AIE ligand 4,4'-diphenic acid (DPA), was used to detect phosphate ion (Pi) via aggregation state modulation. The ICP was decomposed in the presence of Pi due to the coordination of Pi with Zn 2 + , which disaggregated AIE ligand DPA along with fluorescence quenching. The ICP quantified Pi in the concentration range from 30 to 600 μM with a detection limit of 5 μM, which was much lower than the physiological level, and was applied to detecting Pi in urine with spiked recoveries in the range of 82.0-115.5 %. This work provides a novel strategy to design fluorescent probes with AIE CPs for the analytes exhibiting the decomposing ability, promoting the application of AIE CPs in fluorescent sensing.

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Section: Fluorescent Detection Of Pimentioning

confidence: 87%

AIE Infinite Coordination Polymer for Phosphate Ion Detection via Aggregation State Modulation

Yang

Dong

et al. 2020

ChemistrySelect

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“…The limit of detection (LOD) was calculated to be 5.4 µg/L according to three times the signal-to-noise (S/N = 3) ratio. The analytic performance of the proposed method with other nanomaterials-related methods for Pi detection was compared [10,[30][31][32][33][34][35] (Table S3). It exhibits that the LOD of the proposed method is the lowest among the colorimetric method [33][34][35], and even lower than some fluorescence methods [30,31] and voltammetry [10].…”

Section: Colorimetric Assay For Detection Of Pimentioning

confidence: 99%

Cobalt-Based Metal-Organic Framework Nanoparticles with Peroxidase-like Catalytic Activity for Sensitive Colorimetric Detection of Phosphate

et al. 2022

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Appropriate addition of phosphate salt in food can improve the food quality and taste. However, extensive intake of phosphate salt may lead to some human diseases such as hyperphosphatemia and renal insufficiency. Thus, it is essential to establish a cost-effective, convenient, sensitive, and selective method for monitoring phosphate ion (Pi) to ensure food quality control. In this work, a Co-based metal-organic frameworks (Co-MOF) nanomaterial with dual functions (peroxidase-like activity and specific recognition) was designed for acting as a catalytic chromogenic platform for sensitive detection of Pi. The Co2+ nodes not only provide high enzyme-like activity to catalyze the 3,3′,5,5′--tetramethylbenzidine (TMB) substrate to blue oxTMB (652 nm) but also act as selective sites for Pi recognition. The use of cationic organic ligands (2-methylimidazole) and cationic metal ions (Co2+) endows the Co-MOF with a strong positive surface charge, which is beneficial to the capture of negative-charged Pi and the dramatically suppressed TMB oxidation. When Pi exists, it specifically adsorbs onto the Co-MOF through the Co-O-P bond and the strong electrostatic interaction, leading to the change of surface charge on Co-MOF. The peroxidase-like catalytic activity of Co-MOF is thus restrained, causing a different catalytic effect on TMB oxidation from that without Pi. Based on this principle, a colorimetric assay was established for rapid and sensitive detection of Pi. A good linear relationship was obtained between Pi concentration and the absorbance at 652 nm, with a linear range of 0.009–0.144 mg/L and a detection limit of 5.4 μg/L. The proposed assay was applied to the determination of Pi in actual food samples with recoveries of 92.2–108% and relative standard deviations (RSDs) of 2.7–7.3%, illustrating the promising practicality for actual samples analysis.

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“…Phosphate also plays an important role in regulating homeostasis and participating in enzyme reactions in biological systems. [ 146,147 ] Therefore, the development of an efficient and sensitive method for evaluating phosphate content in water and body fluids is important. Wang et al constructed multiemission UiO‐66@COF composites to achieve ratiometric sensing and visible‐light detection of adenosine‐5′‐triphosphate (ATP) and phosphate ion.…”

Section: Applicationsmentioning

confidence: 99%

Metal–Organic Framework‐Based Hybrid Frameworks

et al. 2020

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Framework materials, such as metal–organic frameworks (MOFs) and covalent organic frameworks (COFs), offer huge potential for applications in many aspects due to their well‐defined topologies, high crystallinity, inherent porosity, and chemical tunability. One advanced concept of further functionalizing the single framework materials is to construct hybrid frameworks (e.g., MOF‐on‐MOF, MOF‐on‐COF, and COF‐on‐MOF). Herein, different MOF‐based hybrid frameworks with complex compositions and well‐designed structures show excellent properties that cannot be achieved by single framework materials. The synthetic approaches of MOF‐based hybrid frameworks and their related applications are summarized. The opportunities and challenges for MOF‐based hybrid frameworks are also discussed.

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Linker-Eliminated Nano Metal–Organic Framework Fluorescent Probe for Highly Selective and Sensitive Phosphate Ratiometric Detection in Water and Body Fluids

Cited by 92 publications

References 46 publications

AIE Infinite Coordination Polymer for Phosphate Ion Detection via Aggregation State Modulation

AIE Infinite Coordination Polymer for Phosphate Ion Detection via Aggregation State Modulation

Cobalt-Based Metal-Organic Framework Nanoparticles with Peroxidase-like Catalytic Activity for Sensitive Colorimetric Detection of Phosphate

Metal–Organic Framework‐Based Hybrid Frameworks

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