A sliver ion fabricated lanthanide complex as a luminescent sensor for aspartic acid

Weng, Han; Yan, Bing

doi:10.1016/j.snb.2017.07.029

Cited by 40 publications

(20 citation statements)

References 38 publications

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“…Although MOF materials have made great progress as luminescent probes, − the detection of amino acids remains a challenge. Corresponding reports are rare and only focus on detecting one kind of amino acid. − MOF-based luminescent probes which can detect two or more amino acids have not been reported at all.…”

Section: Introductionmentioning

confidence: 99%

Stable Lanthanide–Organic Framework as a Luminescent Probe To Detect Both Histidine and Aspartic Acid in Water

et al. 2019

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A three-dimensional metal−organic framework (MOF) {[Eu-(L)(H 2 O) 2 ]•DMF} n (1) (H 3 L = 2′-nitro-3,4′,5-biphenyl tricarboxylic acid) was obtained by hydrothermal methods and was characterized in detail.Compound 1 contains [Eu 2 ] binuclear units, and [Eu 2 ] units are further linked by H 3 L, forming a three-dimensional structure. Stability tests suggest that compound 1 exhibits high solvent, pH, and thermal stability. Besides, we also explored the influence of pH values in the luminescence emission of 1 which shows that pH has a negligible effect on the luminescence intensity with the range of pH = 3−11. Importantly, luminescent investigations reveal that 1 can selectively detect aspartic acid or histidine among 14 amino acids with good regenerability in water. Meanwhile, the concentration of aspartic acid can be quantitatively determined. We also discuss the mechanism of luminescence quenching and enhancement in detail. Importantly, this Eu-MOF provides a MOFbased luminescence sensor to detect two amino acids for the first time.

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Section: Introductionmentioning

confidence: 99%

Stable Lanthanide–Organic Framework as a Luminescent Probe To Detect Both Histidine and Aspartic Acid in Water

et al. 2019

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“…Recently, Weng and Yan et al [128] reported a new ratiometric Ag + @Eu-MOF sensor for detecting aspartic acid, which is served as a major excitatory neurotransmitter in the central nervous system. The Ag + @Eucomplex exhibited a high selectivity towards aspartic acid with the LOD of 4.6 × 10 −7 mol L −1 , along with a good linear relationship between I L /I Eu and the aspartic acid.…”

Section: Sensing Of Biomoleculesmentioning

confidence: 99%

Recent advances in luminescent metal-organic frameworks for chemical sensors

Yin

et al. 2019

Sci. China Mater.

144

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Metal-organic frameworks (MOFs), comprised of metal ions/clusters and organic ligands, have shown promising potential for numerous applications. Recently, luminescent MOFs (LMOFs), with the superiorities of inherent crystallinity, definite structure, tunable pore, and multiple functionalizations, have bloomed out as sensors for the detection. Numerous LMOFs have been synthesized and used for sensing applications. Herein, the recent advances of LMOFs as chemical sensors for the detection of diverse targets, including metal ions, anions, small molecules, volatile organic compounds, nitro-aromatic explosives, gases, and biomolecules, have been summarized. Additionally, the detection mechanisms and the relationship between structure and properties of the materials are also illustrated. This review could be useful reference for the rational construction and sensing applications of LMOFs.

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“…The oxygen consumption in vivo can be effectively reduced by L-Asp-regulated physiological mechanism, which is also associated with multiple living features of cells. 1,2 The deficiency or excess of L-Asp in the body may cause several serious sicknesses, such as hepatic disease, epilepsy, stroke, and even infectious mononucleosis. 3 Conversely, similar D-isomer of Asp or their racemate would greatly limit the efficacy of the related drug and disturb the normal metabolic process.…”

Section: Introductionmentioning

confidence: 99%

“…L‐optical enantiomer (L‐Asp) of aspartic acid commonly acts as the carrier of electrolytes to transport K + and Mg 2+ into the myocardium, thereby improving myocardial contractile function. The oxygen consumption in vivo can be effectively reduced by L‐Asp‐regulated physiological mechanism, which is also associated with multiple living features of cells 1,2 . The deficiency or excess of L‐Asp in the body may cause several serious sicknesses, such as hepatic disease, epilepsy, stroke, and even infectious mononucleosis 3 .…”

Section: Introductionmentioning

confidence: 99%

Bovine serum albumin‐coated titanium dioxide modified electrochemical interface for enantioselective discrimination of D/L‐aspartic acid

Wei

Chen

et al. 2021

Chirality

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Due to the similar physicochemical properties, the discrimination of chiral isomers faces huge challenges in drug production and biochemical analysis.Herein, the bovine serum albumin-coated titanium dioxide (bovine serum albumin [BSA]/TiO 2 ) was modified as a novel electrochemical interface for efficient, simple, and enantioselective discrimination of aspartic acid enantiomers (D/L-Asp) based on the electrochemical impedance spectroscopy (EIS). Utilizing the structural characteristics of large cavity and high specific surface area, TiO 2 material provided sufficient space for adequate loading of BSA. The BSA/TiO 2 electrochemical interface was successfully fabricated to support abundant chiral recognition sites. The enantioselective discrimination of D/L-Asp was achieved on the interface with a good linear relationship against the impedance difference in the concentration range from 1 to 1000 nM with the detection limit of 0.37 nM for L-Asp and 0.94 nM for D-Asp, reaching the identification coefficient (I c = K L /K D ) of 1.85. The proposed interface is easy to form with a stable formation of BSA in TiO 2 microporous architecture, which maintained the desired stability and reproducibility. For the unknown racemic solution, I c levels of different enantio-ratios of D/L-Asp were effectively obtained to evaluate the chiral percentage of racemic sample. The possible mechanism of chiral recognition by density function theory (DFT) was confirmed with a stronger adsorption to L-Asp in accordance with our experiment results, reinforcing the validity of our presented interface. The BSA/TiO 2 electrochemical interface with robust enantioselective discrimination of D/L-Asp has great potential for the practical application in pharmaceutical surveillance and food security.

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A sliver ion fabricated lanthanide complex as a luminescent sensor for aspartic acid

Cited by 40 publications

References 38 publications

Stable Lanthanide–Organic Framework as a Luminescent Probe To Detect Both Histidine and Aspartic Acid in Water

Stable Lanthanide–Organic Framework as a Luminescent Probe To Detect Both Histidine and Aspartic Acid in Water

Recent advances in luminescent metal-organic frameworks for chemical sensors

Bovine serum albumin‐coated titanium dioxide modified electrochemical interface for enantioselective discrimination of D/L‐aspartic acid

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