A ratiometric electrochemical sensor based on Cu-coordinated molecularly imprinted polymer and porous carbon supported Ag nanoparticles for highly sensitive and selective detection of perphenazine. 2022

Yiwei Liu, and Yide Xia, and Yun Tang, and Yanran Chen, and Jiangping Cao, and Faqiong Zhao, and Baizhao Zeng
College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, PR China.

In this work, a ratiometric electrochemical sensor was developed for the detection of perphenazine (PPZ). The sensor was constructed by electrodepositing Cu-coordinated molecularly imprinted polymer (Cu-MIP) on Ag nanoparticles (NPs) modified flexible porous carbon cloth. The Cu-MIP showed highly electrochemical response because of the enhanced adsorptive ability and electronic properties of Cu2+ chelation; Ag NPs could provide a stable and effective reference signal for ratiometric quantification. Thus the resulted sensor not only displayed high selectivity and sensitivity, but also exhibited satisfactory reproducibility and anti-interference ability. Under the optimum conditions, the quantitative detection of PPZ was performed with differential pulse voltammetry. It was found that the peak current ratio of PPZ and Ag NP was linear to the concentration of PPZ in the range of 1-700 nmol L-1 (R2 = 0.9968), and the limit of detection was 0.43 nmol L-1 (S/N = 3). The practicability of the sensor was examined by determining human serum and pharmaceutical samples, and satisfactory results and recoveries (ranging from 92.46% to 104.90%) were achieved.

UI MeSH Term Description Entries
D010546 Perphenazine An antipsychotic phenothiazine derivative with actions and uses similar to those of CHLORPROMAZINE. Chlorpiprazine,Perfenazine,Trilafon
D002244 Carbon A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel. Carbon-12,Vitreous Carbon,Carbon 12,Carbon, Vitreous
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000082582 Molecularly Imprinted Polymers Synthetic polymeric matrices with artificial molecular recognition sites generated by MOLECULAR IMPRINTING TECHNIQUE. It can specifically bind target molecules (e.g., antibodies, enzymes or receptors). Imprinted Polymer, Molecularly,Molecularly Imprinted Polymer,Polymer, Molecularly Imprinted
D012834 Silver An element with the atomic symbol Ag, atomic number 47, and atomic weight 107.87. It is a soft metal that is used medically in surgical instruments, dental prostheses, and alloys. Long-continued use of silver salts can lead to a form of poisoning known as ARGYRIA.
D015203 Reproducibility of Results The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. Reliability and Validity,Reliability of Result,Reproducibility Of Result,Reproducibility of Finding,Validity of Result,Validity of Results,Face Validity,Reliability (Epidemiology),Reliability of Results,Reproducibility of Findings,Test-Retest Reliability,Validity (Epidemiology),Finding Reproducibilities,Finding Reproducibility,Of Result, Reproducibility,Of Results, Reproducibility,Reliabilities, Test-Retest,Reliability, Test-Retest,Result Reliabilities,Result Reliability,Result Validities,Result Validity,Result, Reproducibility Of,Results, Reproducibility Of,Test Retest Reliability,Validity and Reliability,Validity, Face
D016062 Porosity Condition of having pores or open spaces. This often refers to bones, bone implants, or bone cements, but can refer to the porous state of any solid substance. Porosities
D053768 Metal Nanoparticles Nanoparticles produced from metals whose uses include biosensors, optics, and catalysts. In biomedical applications the particles frequently involve the noble metals, especially gold and silver. Metal Nanocrystals,Metallic Nanocrystals,Metallic Nanoparticles,Metal Nanocrystal,Metal Nanoparticle,Metallic Nanocrystal,Metallic Nanoparticle,Nanocrystal, Metal,Nanocrystal, Metallic,Nanocrystals, Metal,Nanocrystals, Metallic,Nanoparticle, Metal,Nanoparticle, Metallic,Nanoparticles, Metal,Nanoparticles, Metallic
D054802 Molecular Imprinting A methodology for chemically synthesizing polymer molds of specific molecules or recognition sites of specific molecules. Applications for MOLECULARLY IMPRINTED POLYMERS (MIPs) include separations, assays and biosensors, and catalysis. Molecular Imprinting Technique,Imprinting, Molecular,Imprinting Technique, Molecular,Imprinting Techniques, Molecular,Molecular Imprinting Techniques,Technique, Molecular Imprinting,Techniques, Molecular Imprinting
D055664 Electrochemical Techniques The utilization of an electrical current to measure, analyze, or alter chemicals or chemical reactions in solution, cells, or tissues. Electrochemical Technics,Electrochemical Technic,Electrochemical Technique,Technic, Electrochemical,Technics, Electrochemical,Technique, Electrochemical,Techniques, Electrochemical

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