2019
DOI: 10.1021/acsami.9b07442
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Detection of Purine Metabolite Uric Acid with Picolinic-Acid-Functionalized Metal–Organic Frameworks

Abstract: Uric acid (UA) is a purine metabolite closely related to the metabolic function of human. Fluorescence analysis is a very effective method because of its high selectivity and sensitivity, but it still remains a great challenge for direct UA detection. In this work, a fluorescent sensor based on postfunctionalized metal–organic frameworks (UiO-PSM) was designed focusing on the direct detection of UA. UiO-PSM was synthesized from a zirconium-based metal–organic framework (UiO-66-NH2) and 2-picolinic acid through… Show more

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Cited by 71 publications
(42 citation statements)
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“…Recently, Jia and co-workers designed a fluorescent biosensor based on 2-picolinic acid-modified UiO-66-NH 2 with rapid response, high selectivity and sensitivity for direct detection of uric acid. [86] In this system, the fluorescence of 2-picolinic acid-modified UiO-66-NH 2 was quenched by uric acid via hydrogen bonding, coordination, and π-π interactions. This biosensor could detect uric acid within a linear detection range of 0.01-400 µM and a detection limit of 2.3 nM.…”
Section: Others Biosensingmentioning
confidence: 95%
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“…Recently, Jia and co-workers designed a fluorescent biosensor based on 2-picolinic acid-modified UiO-66-NH 2 with rapid response, high selectivity and sensitivity for direct detection of uric acid. [86] In this system, the fluorescence of 2-picolinic acid-modified UiO-66-NH 2 was quenched by uric acid via hydrogen bonding, coordination, and π-π interactions. This biosensor could detect uric acid within a linear detection range of 0.01-400 µM and a detection limit of 2.3 nM.…”
Section: Others Biosensingmentioning
confidence: 95%
“…This work provides a promising way for the diagnosis of tumors in clinical laboratory by MOF‐based biosensors. Recently, Jia and co‐workers designed a fluorescent biosensor based on 2‐picolinic acid‐modified UiO‐66‐NH 2 with rapid response, high selectivity and sensitivity for direct detection of uric acid 86. In this system, the fluorescence of 2‐picolinic acid‐modified UiO‐66‐NH 2 was quenched by uric acid via hydrogen bonding, coordination, and π–π interactions.…”
Section: Biomedical Applications Of Mofsmentioning
confidence: 99%
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“…In healthy people, normal levels of UA vary function of the nature of analyzed samples between 0.13 and 0.46 mM in serum, ten times higher 1.49-4.50 mM in urine, and in the range from120 µM to 400 µM in the saliva [2,3].…”
Section: Introductionmentioning
confidence: 99%
“…Jain et al synthesized the electrochemical sensor based on butylamine capped CZTS for nanoparticles the detection of UA [11]. Moreover, two-dimensional carbon sheets [12], metallic sensors [13] and nanocomposite [14] materials has been synthesized as effective sensors for the detection of uric acid.…”
Section: Introductionmentioning
confidence: 99%