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Çolak ÜN, Yılmaz E, Durmazel S, Can K, Üzer A, Apak R. Indicator displacement-based colorimetric assay for dibutyl phthalate in pharmaceutical products with titanium(IV)-pyridylazo resorcinol (PAR). J Pharm Biomed Anal 2024; 248:116323. [PMID: 38972227 DOI: 10.1016/j.jpba.2024.116323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 05/22/2024] [Accepted: 06/22/2024] [Indexed: 07/09/2024]
Abstract
Taking advantage of the competitive binding affinity towards Ti(IV) between 4-(2-pyridylazo) resorcinol (PAR) and phthalate, a simple indicator displacement (ID)-based colorimetric assay was designed for indirect determination of a well-known phthalic acid ester, dibutyl phthalate (DBP). The indicator PAR and Ti(IV) formed a purplish-red-colored Ti(IV)-PAR complex (λmax = 540 nm) at a 1:1 ratio. In the presence of pre-hydrolyzed DBP, colorless complex formation of phthalate ion (emerging from alkaline hydrolysis of DBP) with Ti(IV) resulted in a hypsochromic shift in absorbance maximum, accompanying a color change from purplish-red to yellowish-orange (λmax = 390 nm) by the release of PAR from Ti(IV)-PAR system. Based on this mechanism, the linear response range of the system for DBP was found to lie between 0.16 and 0.37 mmol L-1 with an experimental detection limit of 11.6 µmol L-1. The recommended Ti(IV)-PAR system was successfully applied to DBP-containing pharmaceutical products (as real sample) after a simple clean-up process for removing possible water-soluble interferents. The analytical results obtained from the recommended method (by applying the standard addition approach) and the reference liquid chromatography-tandem mass spectrometric (LC-MS/MS) method were statistically compared using DBP-extract of the drug samples. Consequently, a simple and selective colorimetric ID strategy was proposed for the analysis of DBP in pharmaceuticals for the first time.
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Affiliation(s)
- Ülkü Nida Çolak
- TEBIP High Performers Program, Board of Higher Education of Türkiye, Istanbul University, Fatih, Istanbul 34452, Türkiye
| | - Elif Yılmaz
- TEBIP High Performers Program, Board of Higher Education of Türkiye, Istanbul University, Fatih, Istanbul 34452, Türkiye
| | - Selen Durmazel
- Analytical Chemistry Division, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar, Istanbul 34320, Türkiye
| | - Kader Can
- Analytical Chemistry Division, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar, Istanbul 34320, Türkiye; Department of Chemistry, Institute of Graduate Studies, Istanbul University-Cerrahpaşa, Avcilar, Istanbul 34320, Türkiye
| | - Ayşem Üzer
- Analytical Chemistry Division, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar, Istanbul 34320, Türkiye.
| | - Reşat Apak
- Analytical Chemistry Division, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar, Istanbul 34320, Türkiye; Turkish Academy of Sciences (TUBA), Vedat Dalokay St. No: 112 Çankaya, Ankara 06670, Türkiye.
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Alshatteri AH, Omer KM. Dual-Nanocluster of Copper and Silver as a Ratiometric-Based Smartphone-Assisted Visual Detection of Biothiols. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Zhang Y, Gao X, Ye Y, Shen Y. Fe-Doped polydopamine nanoparticles with peroxidase-mimicking activity for the detection of hypoxanthine related to meat freshness. Analyst 2022; 147:956-964. [PMID: 35170599 DOI: 10.1039/d1an02325j] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Rapid and accurate monitoring of food freshness to provide consumers with high-quality meat continues to be of tremendous importance to the food industry. In this report, an efficient Fe-doped polydopamine (Fe-PDA) nanozyme with peroxidase-mimicking activity was synthesized by a high-temperature hydrothermal method, and was applied to a spectrophotometric sensing system, which successfully reports the concentration of hypoxanthine (Hx) related to meat freshness. The Fe-PDA nanozyme showed excellent peroxidase simulation activity, which was primarily verified by steady-state kinetics experiments. In the presence of xanthine oxidase (XOD), Hx can react quantitatively with dissolved O2 to generate H2O2, which can be further catalyzed and produce hydroxyl radicals (•OH) under acidic conditions via the Fe-PDA nanozyme and oxidize colorless TMB to blue oxTMB with absorbance at 653 nm. The absorbance at 653 nm expressed a clear linear relationship with hypoxanthine concentration in the range of 5.13-200 μM, and the detection limit was 1.54 μM. This method was further assessed by measuring the recovery of Hx added to meat samples, which showed promising accuracy. Overall, the developed Fe-PDA nanozyme with excellent peroxidase-mimicking activity is cost-effective, high-performance and easy to produce, offering an efficient and low-cost sensing system based on spectrophotometry for meat freshness determination as an alternative to conventional methods.
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Affiliation(s)
- Yiyin Zhang
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China.
| | - Xiang Gao
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China.
| | - Yingwang Ye
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China.
| | - Yizhong Shen
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China.
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Rather IA, Ali R. Indicator displacement assays: from concept to recent developments. Org Biomol Chem 2021; 19:5926-5981. [PMID: 34143168 DOI: 10.1039/d1ob00518a] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Overcoming the synthetic burden related to covalently connected receptors with appropriate indicators for sensing various analytes via an indicator spacer receptor (ISR) approach, the indicator displacement assay (IDA) seems to be a very sophisticated and versatile supramolecular sensing paradigm, and it has taken the phenomenon of molecular recognition to the next level in the realm of host-guest chemistry. Due to the unavailability of a comprehensive report on what has been done in the last decade in relation to IDAs, we decided to set down this account illustrating diverse indicator displacement assays (IDAs) in detail from the concept stage to recent developments relating to the detection of cationic, anionic, and neutral analytes. The authors conclude this account with future perspectives and highlight the limitations and challenges relating to IDAs which need to be overcome in order to realize the full potential of this popular sensing phenomenon. While we were finalizing our account for publication, a tutorial review by the research groups of Anslyn, Sessler, and Sun was published, which focuses mainly on diverse aspects of the chemistry related to IDAs. As can be seen, our review, besides discussing various basic IDA concepts, has a vast collection of information published in the past decade and hence, hopefully, will be very informative for the supramolecular community. We believe that this work will offer new insights for the construction of novel sensors operating through the IDA approach.
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Affiliation(s)
- Ishfaq Ahmad Rather
- Organic and Supramolecular Functional Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi 110025, India.
| | - Rashid Ali
- Organic and Supramolecular Functional Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla, New Delhi 110025, India.
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A colorimetric paper-based sensor with nanoporous SBA-15 for simultaneous determination of histidine and cysteine in urine samples. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01548-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Rao H, Huang H, Zhang X, Xue X, Luo M, Liu H, Xue Z. A simple thermometer-based photothermometric assay for alkaline phosphatase activity based on target-induced nanoprobe generation. NEW J CHEM 2020. [DOI: 10.1039/d0nj03920a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Alkaline phosphatase (ALP)-induced in situ generation of Prussian blue nanoparticles for photothermometric ALP detection.
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Affiliation(s)
- Honghong Rao
- College of Chemistry and Chemical Engineering
- Lanzhou City University
- Lanzhou
- China
| | - Huiyi Huang
- College of Chemistry and Chemical Engineering
- Lanzhou City University
- Lanzhou
- China
- College of Chemistry and Chemical Engineering
| | - Xinyuan Zhang
- College of Chemistry and Chemical Engineering
- Lanzhou City University
- Lanzhou
- China
- College of Chemistry and Chemical Engineering
| | - Xin Xue
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Mingyue Luo
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Haixia Liu
- College of Chemistry and Chemical Engineering
- Lanzhou City University
- Lanzhou
- China
| | - Zhonghua Xue
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
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A composite prepared from MoS 2 quantum dots and silver nanoparticles and stimulated by mercury(II) is a robust oxidase mimetic for use in visual determination of cysteine. Mikrochim Acta 2019; 187:74. [PMID: 31863203 DOI: 10.1007/s00604-019-4041-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 11/19/2019] [Indexed: 10/25/2022]
Abstract
MoS2 quantum dots were hydrothermally synthesized and utilized for the formation and stabilization of a nanocomposite with silver nanoparticles (AgNPs) in a single step. This composite was characterized by transmission electron microscopy and zeta potential measurements. It is found that this nanohybrid can be stimulated by mercury(II) ion and then exhibits excellent oxidase mimicking activity. The oxidase-like activity is demonstrated by the oxidation of 3,3',5,5'-tetramethylbenzidine by H2O2 that leads to the formation of a blue product. An assay was developed for determination of cysteine (Cys) at ultra-trace level because Cys inhibits the activity of the nanozyme via interaction with Hg(II). The Cys assay, best performed at a wavelength of 652 nm, works in the 1-100 μM concentration range and has a 0.82 μM detection limit. In addition, a portable Cys test kit is described that was applied to the determination of Cys in serum samples. The resulting colorations were compared with color chat wheel. The method is simple, rapid, cost-effective, and sensitive. Graphical abstractSchematic presentation of oxidase mimetic activity of the Hg@ MoS2-QDs-AgNPs and colorimetric sensing of Cys.
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UV–vis and theoretical studies on an ensemble of dinuclear Cu(II) complex of anthracene–based tripodal tetramine with pyrogallol red for cyanide detection and species distribution in aqueous solution. INORG CHEM COMMUN 2019. [DOI: 10.1016/j.inoche.2019.107502] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Chatphueak N, Suksai C. Water soluble dinuclear zinc(II) complex based sensor for pyrophosphate anion under indicator displacement assays. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.06.027] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Shang J, Yu L, Sun Y, Chen X, Kang Q, Shen D. On site determination of free chlorine in water samples by a smartphone-based colorimetric device with improved sensitivity and reliability. NEW J CHEM 2019. [DOI: 10.1039/c9nj03954f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Absorbance in a long-path portable colorimetric device was measured by a ratiometric fluorescent strategy in a smartphone platform.
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Affiliation(s)
- Jian Shang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Lei Yu
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Yan Sun
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Xiaolan Chen
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Qi Kang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Dazhong Shen
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
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