1
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Tohora N, Ahamed S, Sultana T, Mahato M, Das SK. Fabrication of a re-useable ionic liquid-based colorimetric organo nanosensor for detection of nerve agents' stimulants. Talanta 2024; 266:124968. [PMID: 37517344 DOI: 10.1016/j.talanta.2023.124968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/07/2023] [Accepted: 07/18/2023] [Indexed: 08/01/2023]
Abstract
Nerve agents are highly poisonous organophosphorus chemicals, and the possibility of being used in terrorist attacks seriously threatens public safety. Thus, developing quick and straightforward detection techniques for these dangerous substances is paramount for the scientific communities. In this contribution, we have fabricated a sensitive and easily applicable ionic liquids (ILs) based colorimetric sensor for detecting various nerve agents' stimulants in solution and gas phases, respectively, based on methyl orange (MO)-based IL ([P66614]+[MO]-) derived from MO dye and trihexyltetradecylphosphonium chloride (P66614Cl) by a simple ion exchange mechanism. The developed [P66614]+[MO]- and water-suspended [P66614]+[MO]- nanoparticles are found to be very much sensitive to detecting various nerve agents' stimulants having detection limits in the μM range in any medium and could be identified based on the response times which is found to be superior to many chemosensors available in the literature. The naked eye observed a distinct color change from yellow to fuchsia in the presence of nerve agents' stimulants, which shows better sensitivity than the free organic indicator. Furthermore, a facile test strip with [P66614]+[MO]- and water-suspended [P66614]+[MO]- NPs has been fabricated that can achieve visual detection of various nerve agents' stimulants within the stockpiles of other analogous harmful analytes. Also, a dip-stick experiment has been performed to detect harmful toxic analytes vapor. The effectiveness of [P66614]+[MO]- and water-suspended [P66614]+[MO]- NPs in identifying and quantifying various nerve agents' stimulants demonstrated its potential for usage as a signal tool for real sample analysis.
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Affiliation(s)
- Najmin Tohora
- Department of Chemistry, University of North Bengal, Darjeeling, West Bengal, 734013, India
| | - Sabbir Ahamed
- Department of Chemistry, University of North Bengal, Darjeeling, West Bengal, 734013, India
| | - Tuhina Sultana
- Department of Chemistry, University of North Bengal, Darjeeling, West Bengal, 734013, India
| | - Manas Mahato
- Department of Chemistry, University of North Bengal, Darjeeling, West Bengal, 734013, India
| | - Sudhir Kumar Das
- Department of Chemistry, University of North Bengal, Darjeeling, West Bengal, 734013, India.
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2
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Sharutin VV, Sharutina OK, Senchurin VS, Krasnosel’skaya VV. Synthesis and Structure of Tetraphenylphosphorus, Tetraphenylantimony, and Tetraphenylbismuth Mesitylene Sulfonates Ph4EOSO2C6H2Me3-2,4,6 (E = P, Sb, Bi). RUSS J INORG CHEM+ 2022. [DOI: 10.1134/s0036023622601210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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3
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M. S. Costa F, Lúcia M. F. S. Saraiva M, L. C. Passos M. Ionic Liquids and Organic Salts with Antimicrobial Activity as a Strategy Against Resistant Microorganisms. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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4
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Sharutin VV, Sharutina OK, Mekhanoshina ES. A STUDY OF CRYSTAL STRUCTURES OF ORGANYL-TRIPHENYLPHOSPHONIUM 2,4-DINITROBENZENE SULPHONATES [Ph3PR][OSO2C6H3(NO2)2-2,4], R = CH2OMe, CH2CN, CH2CH = CHCH2PPh3. J STRUCT CHEM+ 2022. [DOI: 10.1134/s0022476622100092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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5
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Sharutin VV, Sharutina OK, Mekhanoshina ES. A New Method for the Synthesis of Tetraorganylphosphonium Arenesulfonates [Ph3PR1][OSO2R2]. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222060081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Xu J, Zhou H, Zhang Y, Zhao Y, Yuan H, He X, Wu Y, Zhang S. Copper nanoclusters-based fluorescent sensor array to identify metal ions and dissolved organic matter. JOURNAL OF HAZARDOUS MATERIALS 2022; 428:128158. [PMID: 35016123 DOI: 10.1016/j.jhazmat.2021.128158] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/12/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
In recent years, the prevention and control of water pollution has received extensive attention. There is a need to develop simple and effective strategies for the rapid detection of metal ions and dissolved organic matter (DOM) in order to improve water quality. To this end, the first copper nanoclusters (CuNCs)-based fluorescent sensor array was done to identify 12 metal ions (Pb2+, Fe3+, Cu2+, Cd2+, Cr3+, Co2+, Ni2+, Zn2+, Ag+, Fe2+, Hg2+, and Al3+) and DOM (humic substances, lipids, fatty acids, amino acids, and lignans). The results revealed that CuNCs that were synthesized with polyethyleneimine (PEI), histidine (His), and glutathione (GSH) exhibited different binding abilities to metal ions and DOM. These unique fluorescence responses were analyzed using principal component analysis (PCA) and linear discriminant analysis (LDA) to identify metal ions and DOM in the buffer. The aforementioned 12 metal ions were classified at a limit concentration of 1.5 μM. Moreover, quantification of metal ions was achieved even at a low concentration of 0.83 μM (Zn2+). This array also worked well in the recognition of metal ions in tap water as well as distinguishing riverine and seawater samples of different regions, which was of great significance in environmental monitoring.
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Affiliation(s)
- Jinming Xu
- State Key Laboratory of Precision Spectroscopy, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China
| | - Huangmei Zhou
- State Key Laboratory of Precision Spectroscopy, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China
| | - Yixue Zhang
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China
| | - Yu Zhao
- State Key Laboratory of Precision Spectroscopy, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China
| | - Hao Yuan
- State Key Laboratory of Precision Spectroscopy, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China
| | - Xiaoxiao He
- State Key Laboratory of Precision Spectroscopy, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China
| | - Ying Wu
- State Key Laboratory of Estuarine and Coastal Research, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China.
| | - Sanjun Zhang
- State Key Laboratory of Precision Spectroscopy, East China Normal University, No.500, Dongchuan Rd., Shanghai 200241, China; Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China; NYU-ECNU Institute of Physics at NYU Shanghai, No.3663, North Zhongshan Rd., Shanghai 200062, China.
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7
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Ayala CE, Pérez RL, Mathaga JK, Watson A, Evans T, Warner IM. Fluorescent Ionic Probe for Determination of Mechanical Properties of Healed Poly(ethylene- co-methacrylic acid) Ionomer Films. ACS APPLIED POLYMER MATERIALS 2022; 4:832-841. [PMID: 35178523 PMCID: PMC8845041 DOI: 10.1021/acsapm.1c01325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
In recent years, advanced materials with properties resembling biological systems, particularly artificial muscles, have received intense scrutiny. This is because the interesting conformational shape characteristics of such materials have benefited a variety of technologies, including textiles, 3D printing, and medical devices. Although a multitude of shape memory properties have been studied and developed in recent years, self-healing of these polymers after puncture or rupture has also become a major area of study. Most techniques for detection of such processes are mechanically based and require considerable hands-on monitoring. Thus, a rapid visual detection method for self-healing is highly desirable. Herein, we describe fluorescence studies for rapid detection of self-healing properties of a partially neutralized sodium ionomer poly(ethylene-co-methacrylic acid) (PEMA). In this study, two different fluorophores, parent non-ionic 4,6-dipyrenylpyrimidine and ionic 4,6-dipyrenylpyrimidinium iodide fluorophores, were evaluated as possible sensors of self-healing. Incorporation of these probes via solution blending and compatibility into a PEMA of these fluorophores were evaluated. Thermal characterizations using differential scanning calorimetry were also performed to elucidate physical characteristics of healed sites. Ratiometric fluorescence emission variations were explored within puncture-healed ionomer films and related to Young's modulus properties with good linearity, indicating potential utility of this approach for monitoring elastic modulus properties after healing has occurred. Further statistical analyses of mechanical processes using quadratic discriminant analysis resulted in development of several highly accurate predictive models for determining time since damage healing.
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Affiliation(s)
- Caitlan E. Ayala
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Rocío L. Pérez
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
- Department
of Chemistry and Biochemistry, Georgia Southern
University, Statesboro, Georgia 30458, United
States
| | - John K. Mathaga
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Aanesa Watson
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
- Department
of Chemistry, Fort Valley State University, Fort Valley, Georgia 31030, United States
| | - Tristan Evans
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
| | - Isiah M. Warner
- Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
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8
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Protein discrimination using erythrosin B-based GUMBOS in combination with UV-Vis spectroscopy and chemometrics. Talanta 2021; 240:123164. [PMID: 34972064 DOI: 10.1016/j.talanta.2021.123164] [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] [Received: 09/02/2021] [Revised: 12/10/2021] [Accepted: 12/20/2021] [Indexed: 12/12/2022]
Abstract
GUMBOS (Group of Uniform Materials Based on Organic Salts) have recently emerged as interesting materials for protein analysis due to their unique features and high tunability. In this regard, four novel erythrosin B (EB)-based GUMBOS were synthesized and their potential to discriminate among proteins with distinct properties (e.g., size, charge, and hydrophobicity) was assessed. These solid-phase materials were prepared using a single-step metathesis reaction between EB and various phosphonium and ammonium cations, namely tetrabutylphosphonium (P4444+), tributylhexadecylphosphonium (P44416+), tetrabutylammonium (N4444+), and benzyldimethylhexadecylammonium (BDHA+). Subsequently, the effect of pH (3.0, 4.5, and 6.0) and reaction time (5, 10, and 15 min) on the discriminatory power of synthesized GUMBOS was evaluated. Absorption spectra resulting from the interaction between EB-based GUMBOS and proteins were analyzed using partial least squares discriminant analysis (PLSDA). Unlike time, the pH value was determined to have influence over GUMBOS discrimination potential. Correct protein assignments varied from 86.5% to 100.0%, and the best discriminatory results were observed for [P4444]2[EB] and [N4444]2[EB] at pH 6.0. Additionally, these two GUMBOS allowed discrimination of protein mixtures containing different ratios of albumin and myoglobin, which appeared as individualized clusters in the PLSDA scores plots. Overall, this study showcases EB-based GUMBOS as simple synthetic targets to provide a label-free, cost-effective, rapid, and successful approach for discrimination of single proteins and their mixtures.
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9
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A novel non-enzymatic sensor for prostate cancer biomarker sensing based on electrocatalytic oxidation of sarcosine at nanostructured NiMn 2O 4 impregnated carbon paste electrode. Anal Chim Acta 2021; 1186:339121. [PMID: 34756269 DOI: 10.1016/j.aca.2021.339121] [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] [Received: 07/21/2021] [Revised: 09/18/2021] [Accepted: 09/25/2021] [Indexed: 11/23/2022]
Abstract
This work addresses the electrocatalytic activity of a binary metal oxide catalyst of NiMn2O4 for electroxidation of sarcosine, the well-known prostate cancer biomarker. The nanocatalyst described was prepared via hydrothermal synthesis route, followed by calcination at 800 °C. Field emission scanning electron microscopy and X-ray diffraction were applied to obtain information about the material morphology and structure. A carbon paste electrode modified with nano-NiMn2O4 showed unique catalytic activity in sarcosine electroxidation which led to a significant rise in oxidation current (about four times) in comparison with the blank electrode. However, the carbon paste electrodes containing single oxides of NiO and Mn2O3 exhibited no considerable enhancement in sarcosine signal. The cyclic voltammetry results indicated that the Mn3+/Mn4+ couple was responsible for sarcosine oxidation, and NiO may enhance the content of Mn4+species in NiMn2O4 material. The carbon paste-based NiMn2O4 electrode was applied in the sensitive determination of sarcosine in the concentration range of 0.01-5.0 μM with the relative standard deviation of 3.49% (n = 5). The detection limit and quantification limit of the probe were determined to be 3.8 and 12 nM, respectively. The remarkable sensitivity and high selectivity of the method approved the sensor applicability in measurement of sarcosine content in urine samples.
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10
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Rahman Z, Das SK. Ionic Liquids based Acid‐base Indicators for Aqueous to the Non‐Aqueous Medium: An Overview. ChemistrySelect 2021. [DOI: 10.1002/slct.202102273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Ziaur Rahman
- Department of Chemistry University of North Bengal West Bengal India- 734013
| | - Sudhir Kumar Das
- Department of Chemistry University of North Bengal West Bengal India- 734013
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11
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Azevedo AMO, Vilaranda AG, Neves AFDC, Sousa MJ, Santos JLM, Saraiva MLMFS. Development of an automated yeast-based spectrophotometric method for toxicity screening: Application to ionic liquids, GUMBOS, and deep eutectic solvents. CHEMOSPHERE 2021; 277:130227. [PMID: 33794429 DOI: 10.1016/j.chemosphere.2021.130227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/09/2021] [Accepted: 03/10/2021] [Indexed: 06/12/2023]
Abstract
Saccharomyces cerevisiae has been used as a eukaryotic model organism for studying the toxic effects of various compounds. In this context, an automated spectrophotometric method based on the enzymatic reduction of methylene blue dye to a colorless product by living yeast cells was implemented in a sequential injection analysis system. Loss of yeast viability/impaired metabolic activity was monitored by an increase in optical density at 664 nm. To prove the usefulness of this approach, the toxicity of ILs (ionic liquids), GUMBOS (group of uniform materials based on organic salts), and DESs (deep eutectic solvents) was examined. Differences obtained between IC50 values confirmed the impact of structural elements on each compounds' toxicity. While DESs appeared to be less toxic than ILs, GUMBOS were found to be among the most toxic compounds to yeast cells and thus can be viewed as promising antimicrobial candidates. The automated methodology showed satisfactory repeatability and reproducibility (RSD < 9%), which is in good agreement with Green Chemistry principles. In fact, the method required consumption of only 40 μL of reagents and produced less than 2 mL of effluents per cycle. Thus, the developed assay can be used as an alternative tool for toxicity screening.
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Affiliation(s)
- Ana M O Azevedo
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - André G Vilaranda
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - Ana F D C Neves
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - Maria João Sousa
- CBMA, Departamento de Biologia, Universidade do Minho, Braga, Portugal
| | - João L M Santos
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal
| | - M Lúcia M F S Saraiva
- LAQV, REQUIMTE, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal.
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12
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Pramanik P, Sahoo R, Kumar Das S, Halder M. Fabrication of a GUMBOS-based acid-base indicator: smart probe for sensing acids and bases in any solvent. Phys Chem Chem Phys 2020; 22:28045-28054. [PMID: 33367395 DOI: 10.1039/d0cp03157g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
This report outlines the synthesis of an ionic liquid-based pH-responsive indicator to sense acids or bases in non-polar as well as polar solvents. Herein, we have assembled a new ionic liquid (IL) comprised of a group of uniform materials based on organic salts (GUMBOS) by attaching a quaternary phosphonium ionic liquid with a very common acid-base indicator, methyl orange, via simple ion-exchange reaction. This integrated IL-based indicator is highly soluble in less polar solvents and exhibits good sensitivity toward the presence of acids/bases in those media. Furthermore, this indicator has been exploited in determining the dissociation constants of several acids in non-aqueous aprotic solvents by overlapping indicator method and hence this report provides essential information toward the understanding of many fundamental chemical reactions. This report has further scope for the synthesis of novel aqueous suspended nanomaterials, i.e., the nanoparticles derived from GUMBOS (nanoGUMBOS) by a simple flash nano-precipitation method. The nanomaterial has been well characterized by different spectroscopic and microscopic studies. The obtained nanoparticles also exhibit substantial pH-responsive behaviors in aqueous medium and show better susceptibility as compared to the free organic indicator. Thus, this report explores detailed studies on the IL-based indicator in sensing the acidity/basicity of various media.
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Affiliation(s)
- Prabal Pramanik
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur-721302, India
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13
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Ihde MH, Pridmore CF, Bonizzoni M. Pattern-Based Recognition Systems: Overcoming the Problem of Mixtures. Anal Chem 2020; 92:16213-16220. [PMID: 33259192 DOI: 10.1021/acs.analchem.0c04062] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The transformative potential of pattern-based sensing techniques is often hampered by their difficulty in dealing with mixtures of analytes, a drawback that severely limits the applications of this sensing approach (the "problem of mixtures"). We show here that this is not an intrinsic limitation of the pattern sensing method. Indeed, we developed general guidelines for the design of the sensing, signal detection, and data interpretation methods to avoid this constraint, which resulted in chemical fingerprinting systems capable of recognizing unknown mixtures of analytes in a single experiment, without separation or pre-treatment before data acquisition. In support of these design principles, we report their successful application to an important analytical problem, metal ion discrimination and quantitation, by constructing a sensor array that provided a linear colorimetric response over a wide range of analyte concentrations. The resulting data set was interpreted using common multivariate data processing algorithms to achieve quantitative identification and concentration determination for pure and mixture samples, with excellent predictive ability on unknowns. Separation and detection methods for analyte mixtures, normally envisioned as independent processes, were successfully integrated in a single system.
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Affiliation(s)
- Michael H Ihde
- Department of Chemistry and Biochemistry, The University of Alabama, P.O. Box 870336, Tuscaloosa, Alabama 35487-0336, United States
| | - Cara F Pridmore
- Department of Chemistry and Biochemistry, The University of Alabama, P.O. Box 870336, Tuscaloosa, Alabama 35487-0336, United States
| | - Marco Bonizzoni
- Department of Chemistry and Biochemistry, The University of Alabama, P.O. Box 870336, Tuscaloosa, Alabama 35487-0336, United States.,Alabama Water Institute, P.O. Box 870206, Tuscaloosa, Alabama 35487, United States
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14
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Recent Progress in Synthesis and Applications of Tunable Materials and Nanomaterials Based on Organic Salts. ChemistrySelect 2020. [DOI: 10.1002/slct.202002727] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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15
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Azevedo AM, Santos JL, Warner IM, Saraiva MLM. GUMBOS and nanoGUMBOS in chemical and biological analysis: A review. Anal Chim Acta 2020; 1133:180-198. [DOI: 10.1016/j.aca.2020.06.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 06/08/2020] [Accepted: 06/09/2020] [Indexed: 12/15/2022]
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16
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Pérez RL, Cong M, Vaughan SR, Ayala CE, Galpothdeniya WIS, Mathaga JK, Warner IM. Protein Discrimination Using a Fluorescence-Based Sensor Array of Thiacarbocyanine-GUMBOS. ACS Sens 2020; 5:2422-2429. [PMID: 32686397 PMCID: PMC7460578 DOI: 10.1021/acssensors.0c00484] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
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Sensitive and selective detection
of proteins from complex samples
has gained substantial interest within the scientific community. Early
and precise detection of key proteins plays an important role in potential
clinical diagnosis, treatment of different diseases, and proteomic
research. In the study reported here, six different compounds belonging
to a group of uniform materials based on organic salts (GUMBOS) have
been synthesized using three thiacarbocyanine (TC) dyes and employed
as fluorescent sensors. Fluorescence properties of micro- and nanoaggregates
of these TC-based GUMBOS formed in phosphate buffer solutions are
studied in the absence and presence of seven proteins. Fluorescence
response patterns of these TC-based GUMBOS were analyzed by linear
discriminant analysis (LDA). The constructed LDA model allowed discrimination
of these seven proteins at various concentrations with 100% accuracy.
The sensing and discrimination abilities of these TC-based GUMBOS
were further evaluated in mixtures of two major proteins, i.e., human
serum albumin and hemoglobin. Fluorescence response patterns of these
mixtures were analyzed by LDA. This model allowed discrimination of
various mixtures with 100% accuracy. Moreover, spiked urine samples
were prepared and the responses of these sensors were collected and
analyzed by LDA. Remarkably, discrimination of these seven proteins
was also achieved with 100% accuracy.
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Affiliation(s)
- Rocío L. Pérez
- Chemistry Department, Louisiana State University, Baton Rouge, Lousiana 70803, United States
| | - Mingyan Cong
- Chemistry Department, Louisiana State University, Baton Rouge, Lousiana 70803, United States
| | - Stephanie R. Vaughan
- Chemistry Department, Louisiana State University, Baton Rouge, Lousiana 70803, United States
| | - Caitlan E. Ayala
- Chemistry Department, Louisiana State University, Baton Rouge, Lousiana 70803, United States
| | | | - John K. Mathaga
- Chemistry Department, Louisiana State University, Baton Rouge, Lousiana 70803, United States
| | - Isiah M. Warner
- Chemistry Department, Louisiana State University, Baton Rouge, Lousiana 70803, United States
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17
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Imidazolium-dysprosium-based magnetic NanoGUMBOS for isolation of hemoglobin. Talanta 2019; 205:120078. [DOI: 10.1016/j.talanta.2019.06.078] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 06/19/2019] [Accepted: 06/20/2019] [Indexed: 02/02/2023]
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18
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Tomita S, Ishihara S, Kurita R. A Multi-Fluorescent DNA/Graphene Oxide Conjugate Sensor for Signature-Based Protein Discrimination. SENSORS (BASEL, SWITZERLAND) 2017; 17:E2194. [PMID: 28946622 PMCID: PMC5677448 DOI: 10.3390/s17102194] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/15/2017] [Accepted: 09/19/2017] [Indexed: 12/13/2022]
Abstract
Signature-based protein sensing has recently emerged as a promising prospective alternative to conventional lock-and-key methods. However, most of the current examples require the measurement of optical signals from spatially-separated materials for the generation of signatures. Herein, we present a new approach for the construction of multi-fluorescent sensing systems with high accessibility and tunability, which allows generating protein fluorescent signatures from a single microplate well. This approach is based on conjugates between nano-graphene oxide (nGO) and three single-stranded DNAs (ssDNAs) that exhibit different sequences and fluorophores. Initially, the three fluorophore-modified ssDNAs were quenched simultaneously by binding to nGO. Subsequent addition of analyte proteins caused a partial recovery in fluorescent intensity of the individual ssDNAs. Based on this scheme, we have succeeded in acquiring fluorescence signatures unique to (i) ten proteins that differ with respect to pI and molecular weight and (ii) biochemical marker proteins in the presence of interferent human serum. Pattern-recognition methods demonstrated high levels of discrimination for this system. The high discriminatory power and simple format of this sensor system should enable an easy and fast evaluation of proteins and protein mixtures.
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Affiliation(s)
- Shunsuke Tomita
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, and DAILAB, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
| | - Sayaka Ishihara
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, and DAILAB, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
| | - Ryoji Kurita
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, and DAILAB, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
- Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan.
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19
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Tomita S, Matsuda A, Nishinami S, Kurita R, Shiraki K. One-Step Identification of Antibody Degradation Pathways Using Fluorescence Signatures Generated by Cross-Reactive DNA-Based Arrays. Anal Chem 2017; 89:7818-7822. [DOI: 10.1021/acs.analchem.7b01264] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Shunsuke Tomita
- Biomedical
Research Institute, National Institute of Advanced Industrial Science and Technology, and DAILAB, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
| | - Ayumi Matsuda
- Faculty
of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - Suguru Nishinami
- Faculty
of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
| | - Ryoji Kurita
- Biomedical
Research Institute, National Institute of Advanced Industrial Science and Technology, and DAILAB, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
| | - Kentaro Shiraki
- Faculty
of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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TOMITA S, YOSHIMOTO K, NIWA O, KURITA R. Protein Sensing Based on Cross-reactive Optical Fingerprinting. BUNSEKI KAGAKU 2017. [DOI: 10.2116/bunsekikagaku.66.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Shunsuke TOMITA
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
| | | | - Osamu NIWA
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
- Advanced Science Research Laboratory, Saitama Institute of Technology
| | - Ryoji KURITA
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
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