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Chen XX, Gomila RM, García-Arcos JM, Vonesch M, Gonzalez-Sanchis N, Roux A, Frontera A, Sakai N, Matile S. Fluorogenic In Situ Thioacetalization: Expanding the Chemical Space of Fluorescent Probes, Including Unorthodox, Bifurcated, and Mechanosensitive Chalcogen Bonds. JACS AU 2023; 3:2557-2565. [PMID: 37772186 PMCID: PMC10523495 DOI: 10.1021/jacsau.3c00364] [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: 07/07/2023] [Revised: 08/09/2023] [Accepted: 08/09/2023] [Indexed: 09/30/2023]
Abstract
Progress with fluorescent flippers, small-molecule probes to image membrane tension in living systems, has been limited by the effort needed to synthesize the twisted push-pull mechanophore. Here, we move to a higher oxidation level to introduce a new design paradigm that allows the screening of flipper probes rapidly, at best in situ. Late-stage clicking of thioacetals and acetals allows simultaneous attachment of targeting units and interfacers and exploration of the critical chalcogen-bonding donor at the same time. Initial studies focus on plasma membrane targeting and develop the chemical space of acetals and thioacetals, from acyclic amino acids to cyclic 1,3-heterocycles covering dioxanes as well as dithiolanes, dithianes, and dithiepanes, derived also from classics in biology like cysteine, lipoic acid, asparagusic acid, DTT, and epidithiodiketopiperazines. From the functional point of view, the sensitivity of membrane tension imaging in living cells could be doubled, with lifetime differences in FLIM images increasing from 0.55 to 1.11 ns. From a theoretical point of view, the complexity of mechanically coupled chalcogen bonding is explored, revealing, among others, intriguing bifurcated chalcogen bonds.
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Affiliation(s)
- Xiao-Xiao Chen
- Department
of Organic Chemistry, University of Geneva, 1211 Geneva, Switzerland
| | - Rosa M. Gomila
- Departament
de Química, Universitat de les Illes
Balears, SP-07122 Palma de Mallorca, Spain
| | | | - Maxime Vonesch
- Department
of Organic Chemistry, University of Geneva, 1211 Geneva, Switzerland
| | | | - Aurelien Roux
- Department
of Biochemistry, University of Geneva, 1211 Geneva, Switzerland
| | - Antonio Frontera
- Departament
de Química, Universitat de les Illes
Balears, SP-07122 Palma de Mallorca, Spain
| | - Naomi Sakai
- Department
of Organic Chemistry, University of Geneva, 1211 Geneva, Switzerland
| | - Stefan Matile
- Department
of Organic Chemistry, University of Geneva, 1211 Geneva, Switzerland
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2
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Polymer based ON-OFF-ON fluorescent logic gate: Synthesis, characterization and understanding. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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3
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Zhao Y, Ruan X, Song Y, Smith JN, Vasylieva N, Hammock BD, Lin Y, Du D. Smartphone-Based Dual-Channel Immunochromatographic Test Strip with Polymer Quantum Dot Labels for Simultaneous Detection of Cypermethrin and 3-Phenoxybenzoic Acid. Anal Chem 2021; 93:13658-13666. [PMID: 34591463 DOI: 10.1021/acs.analchem.1c03085] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Currently, gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-MS (LC-MS) are the primary methods used to detect pesticides and their metabolites for biomonitoring of exposure. Although GC-MS and LC-MS can provide accurate and sensitive measurements, these techniques are not suitable for point-of-care or in-field biomonitoring applications. The objective of this work is to develop a smartphone-based dual-channel immunochromatographic test strip (ICTS) for on-site biomonitoring of exposure to cypermethrin by simultaneous detection of cypermethrin and its metabolite, 3-phenoxybenzoic acid (3-PBA). Polymer carbon dots (PCDs) with ultrahigh fluorescent brightness were synthesized and used as a signal amplifier in ICTS assay. Cypermethrin (a representative pyrethroid pesticide) and its major metabolite 3-PBA were simultaneously detected to provide more comprehensive analysis of cypermethrin exposure. After competitive immunoreactions between the target sample and the coating antigens preloaded on the test line, the tracer antibody (PCD-conjugated antibody) was quantitatively captured on the test lines. The captured PCDs were inversely proportional to the amount of the target compound in the sample. The red fluorescence on the test line was then recorded using a smartphone-based device capable of conducting image analysis and recording. Under optimal conditions, the sensor showed excellent linear responses for detecting cypermethrin and 3-PBA ranging from 1 to 100 ng/mL and from 0.1 to 100 ng/mL, respectively, and the limits of detection were calculated to be ∼0.35 ng/mL for cypermethrin and ∼0.04 ng/mL for 3-PBA. The results demonstrate that the ICTS device is promising for accurate point-of-care biomonitoring of pesticide exposure.
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Affiliation(s)
- Yuting Zhao
- School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Xiaofan Ruan
- School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Yang Song
- School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Jordan N Smith
- Exposure Science and Pathogen Biology, Pacific Northwest National Laboratory, Richland, Washington 99352, United States
| | - Natalia Vasylieva
- Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California, Davis, Davis, California 95616, United States
| | - Bruce D Hammock
- Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California, Davis, Davis, California 95616, United States
| | - Yuehe Lin
- School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Dan Du
- School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States
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Facile Synthesis of Nitrogen-Doped Carbon Quantum Dots with Chitosan for Fluorescent Detection of Fe 3. Polymers (Basel) 2019; 11:polym11111731. [PMID: 31652826 PMCID: PMC6918340 DOI: 10.3390/polym11111731] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Revised: 10/17/2019] [Accepted: 10/19/2019] [Indexed: 12/19/2022] Open
Abstract
A facile, economical, and one-step hydrothermal method was used to prepare highly luminescent nitrogen-doped carbon quantum dots (N-CQDs) with chitosan as both carbon and nitrogen sources. The as-prepared N-CQDs have an average size of 2 nm and exhibit excitation wavelength-dependent fluorescence with a maximum excitation and emission at 330 and 410 nm, respectively. Furthermore, due to the effective quenching effect of Fe3+ ions, the prepared N-CQDs can be used as a fluorescent sensor for Fe3+ ion-sensitive detection with a detection limit of 0.15 μM. The selectivity experiments revealed that the fluorescent sensor is specific to Fe3+ even with interference by high concentrations of other metal ions. Most importantly, the N-CQD-based Fe3+ ion sensor can be successfully applied to the determination of Fe3+ in real water samples. With excellent sensitivity and selectivity, such stable and cheap carbon materials are potentially suitable for the monitoring of Fe3+ in environmental application.
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An AIE and ESIPT active Schiff base as colorimetric probe of Fe3+ and turn-on fluorescent probe of Al3+: Experimental and theoretical studies. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.07.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Zhang YM, He JX, Zhu W, Li YF, Fang H, Yao H, Wei TB, Lin Q. Novel pillar[5]arene-based supramolecular organic framework gel for ultrasensitive response Fe3+ and F− in water. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:62-69. [DOI: 10.1016/j.msec.2019.02.094] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Revised: 02/15/2019] [Accepted: 02/23/2019] [Indexed: 02/08/2023]
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7
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Li NN, Ma YQ, Sun XJ, Li MQ, Zeng S, Xing ZY, Li JL. A dual-function probe based on naphthalene for fluorescent turn-on recognition of Cu 2+ and colorimetric detection of Fe 3+ in neat H 2O. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 210:266-274. [PMID: 30466032 DOI: 10.1016/j.saa.2018.11.031] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 10/23/2018] [Accepted: 11/12/2018] [Indexed: 06/09/2023]
Abstract
A simple naphthalene derivative, 6-hydroxy-2-naphthohydrazide (NAH), was designed and synthesized through two facile steps reactions with the 6-hydroxy-2-naphthoic acid (NCA) as the starting material. In neat H2O (10% 0.01 M HEPES buffer, v/v, pH = 7.4), probe NAH showed a highly selective and sensitive response towards Fe3+ via perceptible color change and displayed "turn-on" dual-emission fluorescence response for Cu2+. The binding stoichiometry ratio of NAH/Cu2+ and NAH/Fe3+ were all confirmed as 1:1 by the method of fluorescence job's plot and UV-Vis job's plot, respectively. Probe NAH can be used over a wide pH range for the determination of Fe3+ (2.0-10.0) and Cu2+ (6.0-10.0) without interference from other co-existing metal ions. A possible detection mechanism was the hydrolysis of NAH upon the addition of Fe3+ or Cu2+, thereby leading to the formation of 6-hydroxy-naphthalene-2-carboxylic acid (NCA) which was further confirmed by the various spectroscopic techniques including FT-IR, 1H NMR titration and HRMS. Moreover, NAH was successfully applied to the detection of Cu2+ and Fe3+ in tap water, ultrapure water and BSA.
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Affiliation(s)
- Na-Na Li
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Yu-Qing Ma
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Xue-Jiao Sun
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Ming-Qiang Li
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Shuang Zeng
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin 150030, PR China
| | - Zhi-Yong Xing
- Department of Applied Chemistry, College of Science, Northeast Agricultural University, Harbin 150030, PR China.
| | - Jin-Long Li
- College of Chemistry and Chemical Engineering, Qiqihar University, Qiqihar 161006, PR China
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Yan H, Hider RC, Ma Y. Synthesis, characterisation and quantum chemical studies of a new series of iron chelatable fluorescent sensors. Mol Phys 2019. [DOI: 10.1080/00268976.2018.1533147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Huihui Yan
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
| | - Robert C. Hider
- Institute of Pharmaceutical Science, King’s College London, London, UK
| | - Yongmin Ma
- College of Pharmaceutical Science, Zhejiang Chinese Medical University, Hangzhou, People’s Republic of China
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Lu Q, Cai X, Zhang X, Li S, Song Y, Du D, Dutta P, Lin Y. Synthetic Polymer Nanoparticles Functionalized with Different Ligands for Receptor-mediated Transcytosis across Blood-Brain Barrier. ACS APPLIED BIO MATERIALS 2018; 1:1687-1694. [PMID: 31815251 DOI: 10.1021/acsabm.8b00502] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Polymeric nanoparticles have been investigated as biocompatible and promising nano-carriers to deliver drugs across the blood-brain barrier (BBB). However, most of the polymeric nanoparticles cannot be observed without attaching them with fluorescent dyes. Generally complex synthesis process is required to attach fluorescent dye tracing molecules with drug carrier nanoparticles. In this paper, we synthesized a novel fluorescent polymer based on poly [Triphenylamine-4-vinyl-(P-methoxy-benzene)] (TEB). This polymer was prepared from TEB polymer through coprecipitation. Furthermore, three types of ligands, transferrin (TfR), lactoferrin (LfR) and lipoprotein (LRP), were covalently attached on the nanoparticle surface to improve the BBB transport efficiency. All of prepared TEB-based nanoparticles were biocompatible, exhibited excellent fluorescence properties and could be observed in vivo. The transcellular transportation of these TEB-based nanoparticles across the BBB was evaluated by observing the fluorescent intensity. The translocation study was performed in an in vitro BBB model that were constructed based on mouse cerebral endothelial cells (bEnd.3). The results showed that ligand-coated TEB nanoparticles can be transported across BBB with high efficiencies (up to 29.02%). This is the first time that the fluorescent TEB nanoparticles were applied as nano-carriers for transport across the BBB. Such fluorescent polymeric nanoparticles have the potential applications in brain imaging or drug delivery.
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Affiliation(s)
- Qian Lu
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
| | - Xiaoli Cai
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
| | - Xian Zhang
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
| | - Suiqiong Li
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
| | - Yang Song
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
| | - Dan Du
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
| | - Prashanta Dutta
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
| | - Yuehe Lin
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99163, United States
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Diao H, Guo L, Liu W, Feng L. A novel polymer probe for Zn(II) detection with ratiometric fluorescence signal. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 196:274-280. [PMID: 29466780 DOI: 10.1016/j.saa.2018.02.036] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Revised: 02/05/2018] [Accepted: 02/10/2018] [Indexed: 06/08/2023]
Abstract
A conjugated polymer probe comprised of fluorene, quinolone and benzothiazole units was designed and synthesized by the Suzuki coupling reaction. Through the studies of photophysical and thermal properties, the polymer displays blue-emitting feature and good thermal stability. A ratiometric fluorescence signal of the probe for Zn(II) was observed in ethanol with a new emission peak at 555 nm. The probe possesses a high selectivity and sensitivity for Zn(II) during familiar metal ions in ethanol. The detection limit of the probe for Zn (II) is up to 10-8 mol/L. The electron distributions of the polymer before and after bonding with Zn (II) were investigated by the Gaussian 09 software, which agreed with the experimental results. Noticeably, based on the color property of the probe with Zn(II), a series of color test paper were developed for visual detecting Zn(II) ions. This work helps to provide a platform or pattern for the development of polymer fluorescence probe in the chemosensor field.
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Affiliation(s)
- Haipeng Diao
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan 030001, PR China
| | - Lixia Guo
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, PR China
| | - Wen Liu
- School of Basic Medical Sciences, Shanxi Medical University, Taiyuan 030001, PR China
| | - Liheng Feng
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, PR China.
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Dicationic imidazolium salts as fluorescent probes for selective detection of Fe3+ ion in pure aqueous media. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.02.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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12
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Li R, Lei C, Zhao XE, Gao Y, Gao H, Zhu S, Wang H. A label-free fluorimetric detection of biothiols based on the oxidase-like activity of Ag + ions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 188:20-25. [PMID: 28689074 DOI: 10.1016/j.saa.2017.06.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 06/12/2017] [Accepted: 06/30/2017] [Indexed: 05/21/2023]
Abstract
In this work, a label-free and sensitive fluorimetric method has been developed for the detections of biothiols including cysteine (Cys), homocysteine (Hcy), and glutathione (GSH), based on the specific biothiol-induced inhibition of the oxidase-like activity of silver ions (Ag+). It is well established that o-phenylenediamine (OPD) can be oxidized by Ag+ ions to generate fluorescent 2,3-diaminophenazine (OPDox). The introduction of biothiols would inhibit the oxidation of OPD by Ag+ due to the strong coordination between biothiols and Ag+. The changes of fluorescence intensities obtained in the Ag+-OPD system exhibited good linear correlations in the ranges of 0.50-30.0μM for Cys, 1.0-45.0μM for Hcy and 0.50-40.0μM for GSH. The detection limits (S/N=3) of Cys, Hcy and GSH were 110nM, 200nM and 150nM, respectively. Subsequently, the developed fluorimetric method was successfully applied for the detection of biothiols in human serum.
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Affiliation(s)
- Ru Li
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China
| | - Cuihua Lei
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China
| | - Xian-En Zhao
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China
| | - Yue Gao
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China
| | - Han Gao
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China
| | - Shuyun Zhu
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China; Institute of Medicine and Materials Applied Technologies, Qufu Normal University, Qufu City, Shandong Province 273165, China.
| | - Hua Wang
- Shandong Provincial Key Laboratory of Life-Organic Analysis, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu City, Shandong Province 273165, China; Institute of Medicine and Materials Applied Technologies, Qufu Normal University, Qufu City, Shandong Province 273165, China.
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