1
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Schoenthaler M, Waltl L, Hasenoehrl T, Seher D, Lutz A, Aulinger L, Temml V, König S, Siller A, Braun DE, Garscha U, Werz O, Schuster D, Schennach H, Koeberle A, Matuszczak B. Novel thiazolopyridine derivatives of diflapolin as dual sEH/FLAP inhibitors with improved solubility. Bioorg Chem 2023; 139:106685. [PMID: 37418786 DOI: 10.1016/j.bioorg.2023.106685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 07/09/2023]
Abstract
Inflammatory responses are orchestrated by a plethora of lipid mediators, and perturbations of their biosynthesis or degradation hinder resolution and lead to uncontrolled inflammation, which contributes to diverse pathologies. Small molecules that induce a switch from pro-inflammatory to anti-inflammatory lipid mediators are considered valuable for the treatment of chronic inflammatory diseases. Commonly used non-steroidal anti-inflammatory drugs (NSAIDs) are afflicted with side effects caused by the inhibition of beneficial prostanoid formation and redirection of arachidonic acid (AA) into alternative pathways. Multi-target inhibitors like diflapolin, the first dual inhibitor of soluble epoxide hydrolase (sEH) and 5-lipoxygenase-activating protein (FLAP), promise improved efficacy and safety but are confronted by poor solubility and bioavailability. Four series of derivatives bearing isomeric thiazolopyridines as bioisosteric replacement of the benzothiazole core and two series additionally containing mono- or diaza-isosteres of the phenylene spacer were designed and synthesized to improve solubility. The combination of thiazolo[5,4-b]pyridine, a pyridinylen spacer and a 3,5-Cl2-substituted terminal phenyl ring (46a) enhances solubility and FLAP antagonism, while preserving sEH inhibition. Moreover, the thiazolo[4,5-c]pyridine derivative 41b, although being a less potent sEH/FLAP inhibitor, additionally decreases thromboxane production in activated human peripheral blood mononuclear cells. We conclude that the introduction of nitrogen, depending on the position, not only enhances solubility and FLAP antagonism (46a), but also represents a valid strategy to expand the scope of application towards inhibition of thromboxane biosynthesis.
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Affiliation(s)
- Martin Schoenthaler
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria
| | - Lorenz Waltl
- Michael Popp Institute and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Mitterweg 24, A-6020 Innsbruck, Austria
| | - Thomas Hasenoehrl
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria
| | - David Seher
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria
| | - Anna Lutz
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria; Michael Popp Institute and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Mitterweg 24, A-6020 Innsbruck, Austria
| | - Lucia Aulinger
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria; Michael Popp Institute and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Mitterweg 24, A-6020 Innsbruck, Austria
| | - Veronika Temml
- Institute of Pharmacy, Department of Pharmaceutical and Medicinal Chemistry, Paracelsus Medical University Salzburg, Strubergasse 21, A-5020 Salzburg, Austria
| | - Stefanie König
- Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry, University of Greifswald, Friedrich-Ludwig-Jahn-Straße 17, D-17489 Greifswald, Germany
| | - Anita Siller
- Central Institute for Blood Transfusion and Immunology, Tirol Kliniken GmbH, Anichstraße 35, A-6020 Innsbruck, Austria
| | - Doris Elfriede Braun
- Institute of Pharmacy, Department of Pharmaceutical Technology, Josef-Moeller-Haus, University of Innsbruck, Innrain 52c, A-6020 Innsbruck, Austria
| | - Ulrike Garscha
- Institute of Pharmacy, Department of Pharmaceutical/Medicinal Chemistry, University of Greifswald, Friedrich-Ludwig-Jahn-Straße 17, D-17489 Greifswald, Germany
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Friedrich Schiller University Jena, Philosophenweg 14, D-07743 Jena, Germany
| | - Daniela Schuster
- Institute of Pharmacy, Department of Pharmaceutical and Medicinal Chemistry, Paracelsus Medical University Salzburg, Strubergasse 21, A-5020 Salzburg, Austria
| | - Harald Schennach
- Central Institute for Blood Transfusion and Immunology, Tirol Kliniken GmbH, Anichstraße 35, A-6020 Innsbruck, Austria
| | - Andreas Koeberle
- Michael Popp Institute and Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Mitterweg 24, A-6020 Innsbruck, Austria.
| | - Barbara Matuszczak
- Institute of Pharmacy, Department of Pharmaceutical Chemistry, Center for Chemistry and Biomedicine, University of Innsbruck, Innrain 80-82, A-6020 Innsbruck, Austria.
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2
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Moon S, Kim C. A Fluorescent and Colorimetric Chemosensor Detecting Pd 2+ Based on Chalcone Structure with Triphenylamine. J Fluoresc 2023; 33:1739-1748. [PMID: 36826725 DOI: 10.1007/s10895-023-03176-5] [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: 12/29/2022] [Accepted: 02/11/2023] [Indexed: 02/25/2023]
Abstract
A fluorometric and colorimetric chemosensor DiPP ((E)-3-(4-(diphenylamino)phenyl)-1-(pyridin-2-yl)prop-2-en-1-one) based on chalcone structure with a triphenylamine group was synthesized. Sensor DiPP detected Pd2+ with fluorescence turn-off and via colorimetry variation of yellow to purple. The binding ratio of DiPP to Pd2+ turned out to be 1 : 1. Detection limits for Pd2+ by DiPP were analyzed to be 0.67 µM and 0.80 µM through the fluorescent and colorimetric methods. Additionally, the fluorescent and colorimetric test strips were applied for probing Pd2+ and displayed that DiPP could obviously discriminate Pd2+ from other metals. The binding feature of DiPP to Pd2+ was presented by ESI-mass, Job plot, NMR titration, ESI-mass, and DFT calculations.
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Affiliation(s)
- Sungjin Moon
- Dept of New and Renewable Energy Convergence and Fine Chem, Seoul National Univ. of Sci. and Tech. (SNUT), 01811, Seoul, Korea
| | - Cheal Kim
- Dept of New and Renewable Energy Convergence and Fine Chem, Seoul National Univ. of Sci. and Tech. (SNUT), 01811, Seoul, Korea.
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3
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Bawa R, Negi S, Singh B, Pani B, Kumar R. A pyridine dicarboxylate based hydrazone Schiff base for reversible colorimetric recognition of Ni 2+ and PPi. RSC Adv 2023; 13:15391-15400. [PMID: 37223408 PMCID: PMC10201394 DOI: 10.1039/d3ra02021e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 05/12/2023] [Indexed: 05/25/2023] Open
Abstract
A pyridine dicarboxylate Schiff-base DAS was synthesized for cascade colorimetric recognition of Ni2+ and PPi. The selectivity and sensitivity of chemosensor DAS was investigated through colorimetric and UV-vis studies in MeOH-PBS (5 : 1, v/v, pH = 7.4). The chemosensor formed a 2 : 1 complex with Ni2+ metal ions with a binding constant of Ka = 3.07 × 103 M-2. Besides, a plausible sensing mechanism is confirmed by single crystal X-ray diffraction (SC-XRD), Job's plot and Benesi-Hildebrand plot (B-H plot) experiments. Furthermore, the DAS-Ni2+ ensemble formed 'in situ' was used to selectively recognise PPi. The limit of detection (LOD) of DAS for Ni2+ was found to be 0.14 μM and that of the DAS-Ni2+ ensemble for PPi was found to be 0.33 μM. Also, the potential of the chemosensor has been applied for solid state detection of Ni2+ as well as to mimic the 'INHIBIT' logic gate on the addition of Ni2+ ions and PPi.
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Affiliation(s)
- Rashim Bawa
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi 110007 India
| | - Swati Negi
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi 110007 India
| | - Bholey Singh
- Department of Chemistry, Swami Shraddhanand College, University of Delhi Delhi 110036 India
| | - Balaram Pani
- Department of Chemistry, Bhaskaracharya College of Applied Sciences, University of Delhi Delhi 110075 India
| | - Rakesh Kumar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi Delhi 110007 India
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4
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Liu X, Chu X. Metal-Free Synthesis of Functionalized Quinolines from 2-Styrylanilines and 2-Methylbenzothiazoles/2-Methylquinolines. ACS OMEGA 2023; 8:6940-6944. [PMID: 36844512 PMCID: PMC9948197 DOI: 10.1021/acsomega.2c07736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
A facile functionalization of C(sp3)-H bonds and tandem cyclization strategy to synthesize quinoline derivatives from 2-methylbenzothiazoles or 2-methylquinolines and 2-styrylanilines has been developed. This work avoids the requirement for transition metals, offering a mild approach to activation of C(sp3)-H bonds and formation of new C-C and C-N bonds. This strategy features excellent functional group tolerance and scaled-up synthetic capability, thus providing an efficient and environmentally friendly access to medicinally valuable quinolines.
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5
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A novel 3-acetyl coumarin based AIE luminophore for colorimetric recognition of Cu2+ and F− ions. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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6
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Moon S, Lee JJ, Kim C. Sequential detecting of Ni2+ and CN− with a Chalcone-based colorimetric chemosensor in near-perfect water. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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7
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Dhiman S, Kour R, Kaur S, Singh P, Kumar S. Mitochondria targeted dual-fluorescent probe for bio-imaging viscosity and F - with different fluorescence signals. Bioorg Chem 2022; 129:106169. [PMID: 36174442 DOI: 10.1016/j.bioorg.2022.106169] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/16/2022] [Accepted: 09/17/2022] [Indexed: 11/02/2022]
Abstract
The F- ion and viscosity both affect the physiological state of mitochondria and to the best of our knowledge no fluorescent probe is reported for the dual detection of mitochondrial viscosity and F- ion through different signals. DMAS-Si is weakly red fluorescent due to free intramolecular rotation between dimethylaminophenyl and pyridinium moieties and PET from silyloxy to the pyridinium moiety. In viscous medium (glycerol 90 %), the rotation is restricted and 18-fold increase in red-fluorescence (λem 637 nm) is observed. On reaction with F- ion, the desilylations followed by release of quinone-methide from DMAS-Si gives intense green fluorescence (λem 515 nm) due to formation of DMAS. DMAS-Si can detect as low as 50 nM F-. DMAS-Si shows good permeability to HeLa cells and preferably targets mitochondria. It has been used for imaging of increased viscosity in mitochondria of HeLa cells in the presence of nystatin through red fluorescence and exogenous F- ion by appearance of green fluorescence.
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Affiliation(s)
- Sukhvinder Dhiman
- Department of Chemistry, Center for Advanced Studies, Guru Nanak Dev University, Amritsar 143005, India
| | - Rasdeep Kour
- Department of Botanical and Environment Science, Guru Nanak Dev University, Amritsar 143005, India
| | - Satwinderjeet Kaur
- Department of Botanical and Environment Science, Guru Nanak Dev University, Amritsar 143005, India
| | - Prabhpreet Singh
- Department of Chemistry, Center for Advanced Studies, Guru Nanak Dev University, Amritsar 143005, India
| | - Subodh Kumar
- Department of Chemistry, Center for Advanced Studies, Guru Nanak Dev University, Amritsar 143005, India.
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8
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Mohammad Abu-Taweel G, Ibrahim MM, Khan S, Al-Saidi HM, Alshamrani M, Alhumaydhi FA, Alharthi SS. Medicinal Importance and Chemosensing Applications of Pyridine Derivatives: A Review. Crit Rev Anal Chem 2022; 54:599-616. [PMID: 35724248 DOI: 10.1080/10408347.2022.2089839] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Pyridine derivatives are the most common and significant heterocyclic compounds, which play an important role in various fields ranging from medicinal to chemosensing applications. Pyridine derivatives possess different biological activities such as antifungal, antibacterial, antioxidant, antiglycation, analgesic, antiparkinsonian, anticonvulsant, anti-inflammatory, ulcerogenic, antiviral, and anticancer activity. Furthermore, these derivatives have a high affinity for various ions and neutral species and can be used as a highly effective chemosensor for the determination of different species. In this review article, generally used synthetic routes of pyridine, structural characterization, medicinal applications, and potential of pyridine derivatives in analytical chemistry as chemosensors have been discussed. We hope this study will support the new thoughts to design biological active compounds and highly selective and effective chemosensors for the detection of various species (anions, cations, and neutral species) in various samples (environmental, agricultural, and biological). [Figure: see text].
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Affiliation(s)
| | - Munjed M Ibrahim
- Department of Pharmaceutical Chemistry, College of pharmacy, Umm Al-Qura University, Makkah, Kingdom of Saudi Arabia
| | - Sikandar Khan
- Department of Chemistry, University of Malakand, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Hamed M Al-Saidi
- Department of Chemistry, University College in Al-Jamoum, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Meshal Alshamrani
- Department of Pharmaceutics, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Fahad A Alhumaydhi
- Department of Medical Laboratories, College of Applied Medical Sciences, Qassim University, Buraydah, Saudi Arabia
| | - Salman S Alharthi
- Department of Chemistry, College of Science, Taif University, P.O. Box 110999, Taif 21944, Saudi Arabia
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9
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Bawa R, Deswal N, Negi S, Dalela M, Kumar A, Kumar R. Pyranopyrazole based Schiff base for rapid colorimetric detection of arginine in aqueous and real samples. RSC Adv 2022; 12:11942-11952. [PMID: 35481068 PMCID: PMC9017462 DOI: 10.1039/d2ra00091a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/08/2022] [Indexed: 11/21/2022] Open
Abstract
A novel pyranopyrazole-based Schiff base PPS has been synthesized via a condensation reaction between aldehyde and hydrazide derivatives of pyranopyrazole.
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Affiliation(s)
- Rashim Bawa
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | - Nidhi Deswal
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | - Swati Negi
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
| | - Manu Dalela
- Stem Cell Facility (Centre of Excellence for Stem Cell Research), All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Amit Kumar
- Department of Chemistry, Dyal Singh College, University of Delhi, Delhi, 110003, India
| | - Rakesh Kumar
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
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10
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Thakur A, Das KM, Pal A, Goswami B, Adarsh NN. Strategic Design of a 2,6-Disubstituted Pyridine-based Probe having Hard-Soft Centers: Responsive Divergence from One Core. NEW J CHEM 2022. [DOI: 10.1039/d2nj02246j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Alkyne is a versatile functional group in organic chemistry, and is able to undergo a wide variety of reactions and interactions. Featuring a reactive functional group, alkyne participates in many...
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11
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Cho J, Kim S. Selective sensing of adenosine monophosphate (AMP) by a calix[6]triazolium-based colorimetric sensing ensemble. RSC Adv 2022; 12:32784-32789. [DOI: 10.1039/d2ra05987h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/10/2022] [Indexed: 11/16/2022] Open
Abstract
A calix[6]triazolium-based colorimetric sensing ensemble has been developed that exhibits a distinct color change in the presence of AMP.
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Affiliation(s)
- Jihee Cho
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Sanghee Kim
- College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
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12
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Kim H, Suh B, Kim C. A pyridine‐dicarbohydrazide‐based chemosensor for detecting Al
3+
by fluorescence turn‐on. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202100374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hyeongjin Kim
- Department of Fine Chemistry Seoul National University of Science and Technology Seoul South Korea
- Department of New and Renewable Energy Convergence Seoul National University of Science and Technology Seoul South Korea
| | - Boeon Suh
- Department of Fine Chemistry Seoul National University of Science and Technology Seoul South Korea
- Department of New and Renewable Energy Convergence Seoul National University of Science and Technology Seoul South Korea
| | - Cheal Kim
- Department of Fine Chemistry Seoul National University of Science and Technology Seoul South Korea
- Department of New and Renewable Energy Convergence Seoul National University of Science and Technology Seoul South Korea
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13
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Verma A, Gahlyan P, Bawa R, Dash SR, Prasad AK, Kumar R. Glycerol‐Triazole Conjugated Rhodamine as Colorimetric and Fluorimetric Sensor for Cu
2+. ChemistrySelect 2021. [DOI: 10.1002/slct.202102145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Abhishek Verma
- Bioorganic Laboratory Department of Chemistry University of Delhi Delhi 110007 India
| | - Parveen Gahlyan
- Bioorganic Laboratory Department of Chemistry University of Delhi Delhi 110007 India
| | - Rashim Bawa
- Bioorganic Laboratory Department of Chemistry University of Delhi Delhi 110007 India
| | - Soumya Ranjan Dash
- Physical and Material Chemistry Division CSIR-NCL Pune Dr. Homi Bhaba Road Pune 411008 India
| | - Ashok K. Prasad
- Bioorganic Laboratory Department of Chemistry University of Delhi Delhi 110007 India
| | - Rakesh Kumar
- Bioorganic Laboratory Department of Chemistry University of Delhi Delhi 110007 India
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14
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Srinivas S, Ashokkumar K, Sriraghavan K, Senthil Kumar A. A prototype device of microliter volume voltammetric pH sensor based on carbazole-quinone redox-probe tethered MWCNT modified three-in-one screen-printed electrode. Sci Rep 2021; 11:13905. [PMID: 34230547 PMCID: PMC8260652 DOI: 10.1038/s41598-021-93368-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 06/14/2021] [Indexed: 11/30/2022] Open
Abstract
As an alternate for the conventional glass-based pH sensor which is associated with problems like fragile nature, alkaline error, and potential drift, the development of a new redox-sensitive pH probe-modified electrode that could show potential, current-drift and surface-fouling free voltammetric pH sensing is a demanding research interest, recently. Herein, we report a substituted carbazole-quinone (Car-HQ) based new redox-active pH-sensitive probe that contains benzyl and bromo-substituents, immobilized multiwalled carbon nanotube modified glassy carbon (GCE/MWCNT@Car-HQ) and screen-printed three-in-one (SPE/MWCNT@Car-HQ) electrodes for selective, surface-fouling free pH sensor application. This new system showed a well-defined surface-confined redox peak at an apparent standard electrode potential, Eo' = - 0.160 V versus Ag/AgCl with surface-excess value, Γ = 47 n mol cm-2 in pH 7 phosphate buffer solution. When tested with various electroactive chemicals and biochemicals such as cysteine, hydrazine, NADH, uric acid, and ascorbic acid, MWCNT@Car-HQ showed an unaltered redox-peak potential and current values without mediated oxidation/reduction behavior unlike the conventional hydroquinone, anthraquinone and other redox mediators based voltammetry sensors with serious electrocatalytic effects and in turn potential and current drifts. A strong π-π interaction, nitrogen-atom assisted surface orientation and C-C bond formation on the graphitic structure of MWCNT are the plausible reasons for stable and selective voltammetric pH sensing application of MWCNT@Car-HQ system. Using a programed/in-built three-in-one screen printed compatible potentiostat system, voltammetric pH sensing of 3 μL sample of urine, saliva, and orange juice samples with pH values comparable to that of milliliter volume-based pH-glass electrode measurements has been demonstrated.
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Affiliation(s)
- Sakthivel Srinivas
- Nano and Bioelectrochemistry Research Laboratory, Carbon Dioxide Research and Green Technology Centre, Vellore Institute of Technology, Vellore, 632 014, India
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632 014, India
| | - Krishnan Ashokkumar
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632 014, India
| | - Kamaraj Sriraghavan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632 014, India.
| | - Annamalai Senthil Kumar
- Nano and Bioelectrochemistry Research Laboratory, Carbon Dioxide Research and Green Technology Centre, Vellore Institute of Technology, Vellore, 632 014, India.
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632 014, India.
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15
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Trevino K, Tautges BK, Kapre R, Franco Jr FC, Or VW, Balmond EI, Shaw JT, Garcia J, Louie AY. Highly Sensitive and Selective Spiropyran-Based Sensor for Copper(II) Quantification. ACS OMEGA 2021; 6:10776-10789. [PMID: 34056232 PMCID: PMC8153370 DOI: 10.1021/acsomega.1c00392] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Accepted: 04/02/2021] [Indexed: 05/03/2023]
Abstract
The metal-binding capabilities of the spiropyran family of molecular switches have been explored for several purposes from sensing to optical circuits. Metal-selective sensing has been of great interest for applications ranging from environmental assays to industrial quality control, but sensitive metal detection for field-based assays has been elusive. In this work, we demonstrate colorimetric copper sensing at low micromolar levels. Dimethylamine-functionalized spiropyran (SP1) was synthesized and its metal-sensing properties were investigated using UV-vis spectrophotometry. The formation of a metal complex between SP1 and Cu2+ was associated with a color change that can be observed by the naked eye as low as ≈6 μM and the limit of detection was found to be 0.11 μM via UV-vis spectrometry. Colorimetric data showed linearity of response in a physiologically relevant range (0-20 μM Cu2+) with high selectivity for Cu2+ ions over biologically and environmentally relevant metals such as Na+, K+, Mn2+, Ca2+, Zn2+, Co2+, Mg2+, Ni2+, Fe3+, Cd2+, and Pb2+. Since the color change accompanying SP1-Cu2+ complex formation could be detected at low micromolar concentrations, SP1 could be viable for field testing of trace Cu2+ ions.
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Affiliation(s)
- Kimberly
M. Trevino
- Chemistry
Graduate Group, University of California
at Davis, One Shields Ave, Davis, California 95616, United States
| | - Brandon K. Tautges
- Chemistry
Graduate Group, University of California
at Davis, One Shields Ave, Davis, California 95616, United States
| | - Rohan Kapre
- Department
of Biomedical Engineering, University of
California at Davis, One Shields Ave, Davis, California, 95616, United States
| | - Francisco C. Franco Jr
- Chemistry
Department, De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines
| | - Victor W. Or
- Department
of Biomedical Engineering, University of
California at Davis, One Shields Ave, Davis, California, 95616, United States
| | - Edward I. Balmond
- Chemistry
Graduate Group, University of California
at Davis, One Shields Ave, Davis, California 95616, United States
| | - Jared T. Shaw
- Chemistry
Graduate Group, University of California
at Davis, One Shields Ave, Davis, California 95616, United States
| | - Joel Garcia
- Department
of Biomedical Engineering, University of
California at Davis, One Shields Ave, Davis, California, 95616, United States
- Chemistry
Department, De La Salle University, 2401 Taft Avenue, 1004 Manila, Philippines
| | - Angelique Y. Louie
- Chemistry
Graduate Group, University of California
at Davis, One Shields Ave, Davis, California 95616, United States
- Department
of Biomedical Engineering, University of
California at Davis, One Shields Ave, Davis, California, 95616, United States
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16
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Zhang D, Wang Z, Yang J, Yi L, Liao L, Xiao X. Development of a method for the detection of Cu 2+ in the environment and live cells using a synthesized spider web-like fluorescent probe. Biosens Bioelectron 2021; 182:113174. [PMID: 33831692 DOI: 10.1016/j.bios.2021.113174] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 02/25/2021] [Accepted: 03/14/2021] [Indexed: 02/02/2023]
Abstract
A macrocyclic Schiff base fluorescent probe [1,2-phenylenediamine-2,6-pyridinedialdehyde macrocyclic Schiff base] (BP-MSB) based on 2,6-pyridinedialdehyde was synthesized for use in the detection of Cu2+ in environmental water samples and live cells imaging by the method of specific recognition. The free fluorescent probe BP-MSB shows strong fluorescence in DMSO/H2O. The probe shows high sensitivity and selectivity for Cu2+ through "turn-off" fluorescence response in DMSO/H2O buffer solution (pH = 6.5), with a detection limit of 0.83 nM, which is far below the maximum allowable drinking water content of 20.0 μM specified by the US Environmental Protection Agency. The BP-MSB fluorescence quenching method was used for the determination of Cu2+ in Xiang Jiang water samples and tap-water. Furthermore, addition of the same number of moles of ethylene diamine tetraacetic acid (EDTA) can realize the reversible recognition of Cu2+ by the probe BP-MSB. Most importantly, the fluorescence imaging of live cells after incubation of BP-MSB with GM12878 cells showed good imaging performance, confirming the sensitivity of the fluorescent probe BP-MSB in vivo. The probe was also used to form an analog logic gate. This probe has the advantages of good stability, simple operation and high selectivity, which provides a broad prospect for environmental monitoring, intracellular detection and practical application of POCT.
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Affiliation(s)
- Di Zhang
- School of Chemistry and Chemical Engineering, Hunan Province Key Laboratory for the Design and Application of Actinide Complexes, School of Pharmaceutical Science, University of South China, Hengyang City, Hunan Province, 421001, PR China
| | - Zhimei Wang
- School of Chemistry and Chemical Engineering, Hunan Province Key Laboratory for the Design and Application of Actinide Complexes, School of Pharmaceutical Science, University of South China, Hengyang City, Hunan Province, 421001, PR China
| | - Jing Yang
- Hengyang Market Supervision & Inspection and Testing Center, Hengyang City, 421001, Hunan Province, PR China
| | - Lan Yi
- School of Chemistry and Chemical Engineering, Hunan Province Key Laboratory for the Design and Application of Actinide Complexes, School of Pharmaceutical Science, University of South China, Hengyang City, Hunan Province, 421001, PR China
| | - Lifu Liao
- School of Chemistry and Chemical Engineering, Hunan Province Key Laboratory for the Design and Application of Actinide Complexes, School of Pharmaceutical Science, University of South China, Hengyang City, Hunan Province, 421001, PR China
| | - Xilin Xiao
- School of Chemistry and Chemical Engineering, Hunan Province Key Laboratory for the Design and Application of Actinide Complexes, School of Pharmaceutical Science, University of South China, Hengyang City, Hunan Province, 421001, PR China; Key Laboratory of Hengyang for Health Hazard Factors Inspection and Quarantine, Hunan Key Laboratory of Typical Environmental Pollution and Health Hazards, University of South China, Hengyang City, Hunan, 421001, PR China.
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17
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Prabakaran G, Velmurugan K, Vickram R, David CI, Thamilselvan A, Prabhu J, Nandhakumar R. Triphenyl-imidazole based reversible coloro/fluorimetric sensing and electrochemical removal of Cu 2+ ions using capacitive deionization and molecular logic gates. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:119018. [PMID: 33096446 DOI: 10.1016/j.saa.2020.119018] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 09/11/2020] [Accepted: 09/26/2020] [Indexed: 06/11/2023]
Abstract
A simple hydroxyl-substituted triphenyl-imidazole based receptor (HTPI) which selectively detects Cu2+ ion by colorimetric and fluorimetric methods was developed. HTPI detects the Cu2+ ions with the absorption enhancement and fluorescence quenching by the possible ligand to metal charge transfer (LMCT) and the chelation-enhanced quenching (CHEQ) approaches, respectively. HTPI showed high selectivity and sensitivity for Cu2+ ions detection over other interfering and competing metal ions. Interestingly, HTPI detects Cu2+ ion (LOD) at nanomolar concentrations (19 × 10-9 M (UV-vis) & 27 × 10-9 M (fluorescence), respectively), which is lower than the permissible level of Cu2+ ion reported by World Health Organization (WHO). Furthermore, HTPI was applied to the molecular logic gate function by using chemical inputs, and Cu2+ ion was potentially removed (95%) via Capacitive Deionization technique.
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Affiliation(s)
- G Prabakaran
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed-to-be University), Karunya Nagar, Coimbatore 641 114, India
| | - K Velmurugan
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed-to-be University), Karunya Nagar, Coimbatore 641 114, India
| | - R Vickram
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed-to-be University), Karunya Nagar, Coimbatore 641 114, India
| | - C Immanuel David
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed-to-be University), Karunya Nagar, Coimbatore 641 114, India
| | - A Thamilselvan
- Electro Organic-Division, Central Electrochemical Research Institute (CSIR-CECRI), Karaikudi 630 003, India
| | - J Prabhu
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed-to-be University), Karunya Nagar, Coimbatore 641 114, India
| | - R Nandhakumar
- Department of Applied Chemistry, Karunya Institute of Technology and Sciences (Deemed-to-be University), Karunya Nagar, Coimbatore 641 114, India.
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18
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Şenkardeş S, Türe A, Ekrek S, Durak AT, Abbak M, Çevik Ö, Kaşkatepe B, Küçükgüzel İ, Güniz Küçükgüzel Ş. Novel 2,6-disubstituted pyridine hydrazones: Synthesis, anticancer activity, docking studies and effects on caspase-3-mediated apoptosis. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.128962] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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19
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Choi SJ, Yoon B, Lin S, Swager TM. Functional Single-Walled Carbon Nanotubes for Anion Sensing. ACS APPLIED MATERIALS & INTERFACES 2020; 12:28375-28382. [PMID: 32519847 DOI: 10.1021/acsami.0c03813] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
We report an anion-sensing platform wherein conductance changes are triggered by chemical interactions between selectors and anions. The selector design incorporates both a cationic moiety (i.e., pyridinium) and a thiourea-based dual-hydrogen-bond donor. Anion binding by a model selector (2) was studied using 1H NMR and UV-vis titrations, which reveal a binding strength toward acetate ions (AcO-) followed by Cl- > Br- > NO3-. These studies reveal that selector 2 is deprotonated upon addition of AcO-, whereas it undergoes hydrogen bonding associated with Cl-, Br-, and NO3-. The cationic pyridinium moiety improves anion binding affinity by lowering the pKa value of selector 2 and enhancing the hydrogen-bond donor capability as confirmed by spectroscopic titrations and DFT calculations. The selector is covalently attached to poly(4-vinylpyridine) (P4VP), which wraps single-walled carbon nanotubes (SWCNTs) (i.e., P4VP-2-SWCNT) to transduce an electrical signal. As a result, continuous anion sensing was achieved with high sensitivity represented by a normalized resistance change of 101.9 ± 10.3% toward 16.7 mM AcO-, whereas negligible sensitivity was observed toward Cl-, Br-, and NO3-. The sensitivity transition was attributed to the internal charge transfer of 2 by deprotonation of the thiourea proton upon addition of AcO-.
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Affiliation(s)
- Seon-Jin Choi
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Division of Materials of Science and Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
| | - Bora Yoon
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Optical and Electromagnetic Materials Team, U.S. Army Combat Capabilities Development Command-Soldier Center (CCDC-SC), Natick, Massachusetts 01760, United States
| | - Sibo Lin
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Timothy M Swager
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Institute for Soldier Nanotechnologies, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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20
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Wang H, Zhao S, Xu Y, Li L, Li B, Pei M, Zhang G. A new fluorescent probe based on imidazole[2,1-b]benzothiazole for sensitive and selective detection of Cu2+. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127384] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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21
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Singh A, Mohan M, Trivedi DR. Design and synthesis new colorimetric receptors for naked-eye detection of biologically important fluoride and acetate anions in organic and arsenite in aqueous medium based on ICT mechanism: DFT study and test strip application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 225:117522. [PMID: 31521983 DOI: 10.1016/j.saa.2019.117522] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/22/2019] [Accepted: 09/05/2019] [Indexed: 06/10/2023]
Abstract
Novel three colorimetric anion receptors R1, R2 and R3 have been designed and synthesized via condensation reaction and characterized using IR, MS, and NMR spectroscopic techniques. Anion sensing properties were studied using colorimetric, UV-vis titration, 1H NMR titration, and Cyclic Voltammetric Studies. Comparing the UV-visible titration data of the receptors R1 and R2, R2 showed high redshift (∆λmax) in the mixed competitive solution (DMSO: H2O, 9: 1; v/v) of about 155 nm, 157 nm, 169 nm for Na+F-, Na+AcO-, and Na+AsO2- ions with LOD of 0.23 ppm, 0.18 ppm, and 0.30 ppm, respectively. The observed spectral change of receptor R2 is due to the anion-induced deprotonation of the OH proton, which is confirmed by UV-vis titration, 1HNMR titration, and cyclic voltammetric studies. Theoretical studies via DFT calculation were carried for R1 and R2 to optimize the structure and to explain the anion-binding mechanism. The application of designed receptor R2 was successfully demonstrated for the detection of F- and AsO2- ions using a test strip. The receptors R1 and R2 proved itself to be potentially useful for real-life application by sensing F- and AcO- ions in real samples like toothpaste, mouthwash, vinegar and seawater in a complete aqueous medium.
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Affiliation(s)
- Archana Singh
- Supramolecular Chemistry Laboratory, Department of Chemistry, National Institute of Technology Karnataka (NITK) Surathkal, Srinivasnagar, 575 025, Karnataka, India
| | - Makesh Mohan
- Department of Physics, National Institute of Technology Karnataka (NITK), Surathkal, India
| | - Darshak R Trivedi
- Supramolecular Chemistry Laboratory, Department of Chemistry, National Institute of Technology Karnataka (NITK) Surathkal, Srinivasnagar, 575 025, Karnataka, India.
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22
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Singh A, Mohan M, R.Trivedi D. Chemosensor Based on Hydrazinyl Pyridine for Selective Detection of F̄ Ion in Organic Media and CO
3
2−
Ions in Aqueous Media: Design, Synthesis, Characterization and Practical Application. ChemistrySelect 2019. [DOI: 10.1002/slct.201903670] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Archana Singh
- Supramolecular Chemistry LaboratoryDepartment of ChemistryNational Institute of Technology Karnataka (NITK) Surathkal Srinivasnagar - 575 025, Karnataka India
| | - Makesh Mohan
- Department of PhysicsNational Institute of Technology Karnataka (NITK), Surathkal India
| | - Darshak R.Trivedi
- Supramolecular Chemistry LaboratoryDepartment of ChemistryNational Institute of Technology Karnataka (NITK) Surathkal Srinivasnagar - 575 025, Karnataka India
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23
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Gahlyan P, Bawa R, Jain H, Dalela M, Joshi A, Ramachandran CN, Prasad AK, Kaur A, Kumar R. Isatin‐Triazole‐Functionalized Rhodamine: A Dual Sensor for Cu2+and Fe3+Ions and Its Application to Cell Imaging. ChemistrySelect 2019. [DOI: 10.1002/slct.201901374] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Parveen Gahlyan
- Bioorganic LaboratoryDepartment of ChemistryUniversity of Delhi Delhi-110007 India
| | - Rashim Bawa
- Bioorganic LaboratoryDepartment of ChemistryUniversity of Delhi Delhi-110007 India
| | - Harshita Jain
- Bioorganic LaboratoryDepartment of ChemistryUniversity of Delhi Delhi-110007 India
| | - Manu Dalela
- Stem Cell Facility (Centre for Excellence for Stem Cell Research)All India Institute of Medical Sciences New Delhi-110029 India
| | - Ankita Joshi
- Department of ChemistryIndian Institute of Technology Roorkee Uttarakhand-247667 India
| | - C. N. Ramachandran
- Department of ChemistryIndian Institute of Technology Roorkee Uttarakhand-247667 India
| | - Ashok K. Prasad
- Bioorganic LaboratoryDepartment of ChemistryUniversity of Delhi Delhi-110007 India
| | - Arunjit Kaur
- Department of ChemistryLyallpur Khalsa College, Jalandhar Punjab-144001 India
| | - Rakesh Kumar
- Bioorganic LaboratoryDepartment of ChemistryUniversity of Delhi Delhi-110007 India
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24
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Zhang J, Zhu M, Jiang D, Zhang H, Li L, Zhang G, Wang Y, Feng C, Zhao H. A FRET-based colorimetric and ratiometric fluorescent probe for the detection of Cu2+ with a new trimethylindolin fluorophore. NEW J CHEM 2019. [DOI: 10.1039/c9nj02380a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The possible interaction mechanism between probe RhF and Cu2+ ions.
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Affiliation(s)
- Jiao Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Mei Zhu
- Institute of Medicinal Biotechnology
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing
- China
| | - Daoyong Jiang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Han Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Luying Li
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
| | - Guoning Zhang
- Institute of Medicinal Biotechnology
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing
- China
| | - Yucheng Wang
- Institute of Medicinal Biotechnology
- Chinese Academy of Medical Sciences and Peking Union Medical College
- Beijing
- China
| | - Chao Feng
- School of Materials and Chemical Engineering
- Bengbu University
- Bengbu
- P. R. China
| | - Hong Zhao
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing
- China
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