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Pirot SM, Omer KM, Alshatteri AH, Ali GK, Shatery OBA. Dual-template molecularly surface imprinted polymer on fluorescent metal-organic frameworks functionalized with carbon dots for ascorbic acid and uric acid detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 291:122340. [PMID: 36702082 DOI: 10.1016/j.saa.2023.122340] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/29/2022] [Accepted: 01/06/2023] [Indexed: 06/18/2023]
Abstract
In this work, dual-template molecularly imprinted polymer surfaces imprinted on blue fluorescent Cr-based MOF (Cr-MOF) functionalized with yellow emissive carbon dots (Y-CDs) were prepared using l-ascorbic acid (AA) and uric acid (UA) as templates for simultaneous selective recognition of AA and UA. The as-prepared nanocomposite probe (Y-CDs/Cr-MOF@MIP) contains two recognition site cavities and emits a dual well-resolved fluorescence spectra when excited at 390 nm; blue emission (λem 450 nm) is due to Cr-MOF, and yellow emission (λem 560 nm) is due to Y-CDs. The yellow fluorescence emission of Y-CDs was quenched upon the addition of ascorbic acid, while Cr-MOF's emission remained unaffected. In the same way, the blue fluorescence emission of the Cr-MOFs was quenched in the presence of uric acid, while the yellow emission remained constant. Both emissions were quenched in a sample containing both AA and UA. This can be exploited to design a dual-template biosensor to detect UA and AA simultaneously. The Y-CDs/Cr-MOF@MIP sensor displayed a dynamic linear response for AA in the range 25.0 µM - 425.0 µM with a detection limit of 1.30 µM, and for UA in the range 25.0 µM - 425.0 µM with a detection limit of 1.10 µM. The dual-target probe Y-CDs/Cr-MOF@MIP was highly selective and sensitive for the detection of UA and AA in human urine samples due to the selectivity of the two recognition sites.
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Affiliation(s)
- Shano M Pirot
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq; Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq
| | - Khalid M Omer
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq; Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq.
| | - Azad H Alshatteri
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq; Department of Chemistry, College of Education, University of Garmian, Sulaimaniyah, Kurdistan Region, Iraq
| | - Gona K Ali
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq; Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq
| | - Omer B A Shatery
- Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq; Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St,46002, Sulaimani City, Kurdistan Region, Iraq
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A Label-free Photoelectrochemical Sensor Based on Bi2S3@Nitrogen Doped Graphene Quantum Dots for Ascorbic Acid Determination. Chem Res Chin Univ 2022. [DOI: 10.1007/s40242-022-2095-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Kathiravan S, Sundaram E, Paulraj BA, Johnson PM, Huang ST, Mani V, Vasantha VS. Simple and selective optical biosensor using Ultrasonicator synthesis of 5-((anthracen-9-ylmethylene) amino)-2,3-dihydrophthalazine-1,4-dione for direct detection of ascorbic acid in vegetables and fruits. Food Chem 2020; 332:127150. [DOI: 10.1016/j.foodchem.2020.127150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 05/23/2020] [Accepted: 05/24/2020] [Indexed: 12/28/2022]
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Yu S, Liu Z, Xu N, Chen J, Gao Y. Influencing Factors for Determining the Crystallinity of Native Cellulose by X-ray Diffraction. ANAL SCI 2020; 36:947-951. [PMID: 32037347 DOI: 10.2116/analsci.19p427] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Full width at half maximum (FWHM) of diffraction peaks of native cellulose is larger than 1°. The diffraction peaks of the crystalline phase largely coincide with those of the amorphous phase of cellulose, leading to the low resolution. Therefore, when calculating the crystallinity of natural cellulose by fitting the peaks, only relying on the single evaluation factor of Rwp (R-weighted Pattern) may lead to great randomicity of calculation results. Due to the special crystal structure of natural cellulose and the characteristics of crystallinity determination by peak separation method, the XRD Rietveld fitting method is adopted to determine the crystallinity of native cellulose. Through limiting the convergence conditions of fitting functions, we firstly discuss the effects of peak shape functions, scanning range, and the positions of amorphous peaks on crystallinity determination, which helps to reduce the randomness of XRD in solving crystallinity of cellulose and improve the precision of calculation. Then, three evaluation indexes (Rwp, FWHM, and RSD) are used to evaluate the rationality of crystallinity calculation results. Moreover, the reproducibility and precision of the crystallinity of three kinds of natural cellulose are tested under the optimized conditions. At the same time, the optimized fitting method is adopted to calculate the content of cellulose I and II, which can be used to guide the selection of alkali concentration and alkali treatment time in the spinning process of native cellulose.
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Affiliation(s)
- Shihua Yu
- College of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology
| | - Zhigang Liu
- Center of Analysis and Measurement, Jilin Institute of Chemical Technology
| | - Na Xu
- College of Materials Science and Engineering, Jilin Institute of Chemical Technology
| | - Jie Chen
- Center of Analysis and Measurement, Jilin Institute of Chemical Technology
| | - Yan Gao
- Center of Analysis and Measurement, Jilin Institute of Chemical Technology
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Sato R, Yamada R, Masadome T. Development of an Optode Detector for Determination of Anionic Surfactants by Flow Injection Analysis. ANAL SCI 2020; 36:379-383. [PMID: 31708558 DOI: 10.2116/analsci.19n026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A flow-injection analysis (FIA) method for assaying an anionic surfactant (AS) using AS optode detector was demonstrated. The optode membrane consists of 2-nitrophenyl octyl ether as a plasticizer, lactone form rhodamine B (L-RB) and poly(vinyl chloride). The linear response concentration range of the AS optode to AS was 20 - 100 μmol dm-3 in the FIA system. The sampling rate for an AS ion (40 μmol dm-3 sodium dodecylbenzenesulfonate) in the proposed FIA system was ca. 5 samples h-1. The AS level in commercially available laundry detergents by the proposed FIA system was determined.
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Affiliation(s)
- Ryota Sato
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology
| | - Ryo Yamada
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology
| | - Takashi Masadome
- Department of Applied Chemistry, Faculty of Engineering, Shibaura Institute of Technology
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Wang Z, Dong B, Cui X, Fan Q, Huan Y, Shan H, Feng G, Fei Q. Core-shell Au@Pt Nanoparticles Catalyzed Luminol Chemiluminescence for Sensitive Detection of Thiocyanate. ANAL SCI 2020; 36:1045-1051. [PMID: 32115463 DOI: 10.2116/analsci.19p475] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
In this study, core-shell Au@Pt nanoparticles (Au@Pt NPs) with peroxidase catalytic activity were synthesized by the seed-mediated method, and were used to catalyze the reaction of luminol-H2O2 to enhance the chemiluminescence (CL) intensity. It was found that thiocyanate (SCN-) can effectively inhibit the catalytic activity of Au@Pt NPs. Based on this phenomenon, a method to detect SCN- by using the Au@Pt NPs-catalytic luminol-H2O2 CL system was established, which has an ultra-low detection limit and an ultra-wide linear range, as well as the advantages of being simple and having low-cost and convenient operation. The research mechanism indicated that SCN- could be adsorbed on the surface of Au@Pt NPs and occupies the active sites of Pt nanostructures, which led to a decrease in the amount of Pt0 and a loss of the excellent catalytic activity of Au@Pt NPs. After optimizing the experimental conditions, this assay for detecting SCN- exhibited a good linear range from 5 to 180 nM, and the low detection limit was 2.9 nM. In addition, this approach has been successfully applied to the detection of SCN- in tap-water samples, which has practical application value and embodies good development prospects.
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Affiliation(s)
- Ze Wang
- Department of Analytical Chemistry, College of Chemistry, Jilin University
| | - Bin Dong
- Department of Analytical Chemistry, College of Chemistry, Jilin University
| | - Xiaoqian Cui
- Department of Emergency and Critical Care, the Second Hospital of Jilin University
| | | | - Yanfu Huan
- Department of Analytical Chemistry, College of Chemistry, Jilin University
| | - Hongyan Shan
- Department of Analytical Chemistry, College of Chemistry, Jilin University
| | - Guodong Feng
- Department of Analytical Chemistry, College of Chemistry, Jilin University
| | - Qiang Fei
- Department of Analytical Chemistry, College of Chemistry, Jilin University
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Zhao Y, Li QJ, Li YS, Gao XF. Simultaneous quantification of peroxidase and ascorbic acid in biosamples with an automatic system based on a Fe(iii)/methylthymol blue-carbon dot simulative enzyme. Analyst 2020; 145:5438-5449. [PMID: 32573604 DOI: 10.1039/d0an00291g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Simultaneous and automatic quantification of peroxidase and ascorbic acid based on one reaction system and application of a carbon dot simulative enzyme.
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Affiliation(s)
- Yang Zhao
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Qiao-Jing Li
- Department of Chemistry
- School of Science
- The University of Tokyo
- Japan
| | - Yong-Sheng Li
- School of Chemical Engineering
- Sichuan University
- Chengdu 610065
- China
| | - Xiu-Feng Gao
- West China School of Basic Medical Sciences & Forensic Medicine
- Sichuan University
- Chengdu 610041
- China
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Khan MS, Asghar M, Yaqoob M. Lansoprazole Determination in Pharmaceutical Formulations by Flow Injection Coupled with Acidic KMnO 4-Quinine Chemiluminescence System. ANAL SCI 2019; 35:861-867. [PMID: 30982798 DOI: 10.2116/analsci.19p039] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A simple and rapid flow injection chemiluminescence (FI-CL) method based on the reaction of potassium permanganate (KMnO4) and quinine was established for the determination of lansoprazole in pharmaceutical formulations. A linear calibration curve was achieved over the range from 0.01 to 20.0 mg L-1 LNP (R2 = 0.9997 (n = 8); RSD = 1.1 - 3.7% (n = 4)) with a limit of detection of 3.0 × 10-3 mg L-1 (S/N = 3) and injection throughput of 150 h-1. By applying the Student t-test (calculated t-test value: t = 1.059907664, and tabulated t-distributed (95%) = 2.200985) it was found that the proposed method and reported spectrophotometric method were not significantly different. The LNP was efficiently extracted and the recovery of LNP from the spiked pharmaceutical formulations was in the range of 91.0 - 105.9% (%RSD = 1.6 - 3.6, n = 4). No significant interference activity was detected from the excipients commonly found in the drug samples analyzed. The possible chemiluminescence emission mechanism is discussed briefly.
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YANG H, HUANG Y, ZHAO Y, FAN A. Sensitive Chemiluminescent Sensing Method for Mercury(II) Ions Based on Monolayer Molybdenum Disulfide. ANAL SCI 2019; 35:551-556. [DOI: 10.2116/analsci.18p502] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Hongli YANG
- School of Pharmaceutical Science and Technology, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University
| | - Yongxin HUANG
- School of Pharmaceutical Science and Technology, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University
| | - Yanjun ZHAO
- School of Pharmaceutical Science and Technology, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University
| | - Aiping FAN
- School of Pharmaceutical Science and Technology, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin University
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MOKHTARZADEH E, ABOLHASANI J, HASSANZADEH J. Rhodamine B Chemiluminescence Improved by Mimetic AuCu Alloy Nanoclusters and Ultrasensitive Measurement of H 2O 2, Glucose and Xanthine. ANAL SCI 2019; 35:543-550. [DOI: 10.2116/analsci.18p532] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
| | | | - Javad HASSANZADEH
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz
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Khan F, Yaqoob M, Asghar M, Iqbal S, Ali S, Waseem A, Nabi A. Surfactant enhanced flow injection chemiluminescence method for vitamin D 3 determination in pharmaceutical formulations. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 208:150-156. [PMID: 30312841 DOI: 10.1016/j.saa.2018.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 09/22/2018] [Accepted: 10/03/2018] [Indexed: 06/08/2023]
Abstract
A flow injection based chemiluminescence process has been reported for vitamin D3 determination without using especial chemiluminescence reagent. Vitamin D3 shows enhancement on the CL intensity of diperiodatocuprate(III) with surfactant (Triton X-100) solution. The calibration curve was found to be linear over the concentration range 0.01-40 mg/L (R2 = 0.9997, n = 8) tested. A limit of detection (S/N = 3), limit of quantification (S/N = 10) and sample injection throughput of 2.5 × 10-3, 8.3 × 10-3 mg/L and 150 h-1 respectively were obtained. Various experimental variables were tested to get most suitable response, e.g., the concentrations of reagents, and their flow rates, sample injection volume and photomultiplier tube voltage. The effect of potential interferences was also examined. Vitamin D3 determination was successfully carried out in pharmaceutical formulations. The recoveries from the formulations were obtained in the range of 96 ± 4-108 ± 2%. The reaction mechanism discussion for diperiodatocuprate(III) complex-Triton X-100-vitamin D3 was also included.
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Affiliation(s)
- Fatima Khan
- Department of Chemistry, Sardar Bahadur Khan Women's University, Quetta 87300, Pakistan
| | - Mohammad Yaqoob
- Department of Chemistry, University of Balochistan, Quetta 87300, Pakistan
| | - Muhammad Asghar
- Department of Chemistry, University of Balochistan, Quetta 87300, Pakistan
| | - Shahzia Iqbal
- Department of Chemistry, Sardar Bahadur Khan Women's University, Quetta 87300, Pakistan
| | - Samar Ali
- Department of Chemistry, University of Balochistan, Quetta 87300, Pakistan
| | - Amir Waseem
- Department of Chemistry, Quaid-i-Azam University, Islamabad 45320, Pakistan.
| | - Abdul Nabi
- Department of Chemistry, University of Balochistan, Quetta 87300, Pakistan
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Do Carmo DR, da Silveira TFS. A New Composite Based on Electroactive Zirconium Phosphate: Morfology, Structure and Their Behavior as a Voltammetric Sensor in the Ascorbic Acid Detection. J Inorg Organomet Polym Mater 2019. [DOI: 10.1007/s10904-019-01084-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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