51
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Quan W, Zhang G, Huang L, Song W, Lin W. A novel fluorescent probe for high-fidelity imaging of mitochondria viscosity changes. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115973] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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52
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Shen T, Wu X, Tan D, Xu Z, Liu X. Thermal equilibria between conformers enable highly reliable single-fluorophore ratiometric thermometers. Analyst 2021; 146:4219-4225. [PMID: 34076650 DOI: 10.1039/d1an00741f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fluorescent thermometers based on organic dyes play an important role in the visualization of dynamic temperature topography with high resolution. Many molecular thermometers contain two fluorophores with different temperature responses to achieve ratiometric temperature detection. However, the stability and reliability of such ratiometric thermometers are highly dependent on the susceptibility of the fluorophores towards photobleaching. Despite the use of single-fluorophore ratiometric thermometers in previous reports, the difficulty and complexity in their molecular design and synthesis severely hinder their widespread applicability. In this work, we have investigated the use of commercially available dyes (i.e., BD140 and LD688) with conformational isomers as ratiometric thermometers. Each of these dyes consists of a mixture of conformers with distinct UV-vis absorption and emission spectra. The thermal equilibrium of these conformers successfully enabled the development of ratiometric thermometers with good stability and reliability.
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Affiliation(s)
- Tianruo Shen
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372.
| | - Xia Wu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372.
| | - Davin Tan
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372.
| | - Zhaochao Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372.
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53
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Li X, Niu G, Tian M, Lu Q, Cui Y, Yu X. Two-Color Visualization of Cholesterol Fluctuation in Plasma Membranes by Spatial Distribution-Controllable Single Fluorescent Probes. Anal Chem 2021; 93:9074-9082. [PMID: 34132525 DOI: 10.1021/acs.analchem.1c00481] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Visualizing cholesterol (CL) fluctuation in plasma membranes is a crucially important yet challenging task in cell biology. Here, we proposed a new imaging strategy based on permeability changes of plasma membranes triggered by different CL contents to result in controllable spatial distribution of single fluorescent probes (SF-probes) in subcellular organelles. Three spatial distribution-controllable SF-probes (PMM-Me, PMM-Et, and PMM-Bu) for imaging CL fluctuation in plasma membranes were rationally developed. These SF-probes target plasma membranes and mitochondria at normal CL levels, while they display solely staining in plasma membranes and mitochondria at increased and decreased CL levels, respectively. These polarity-sensitive probes also show distinct emission colors with fluorescence peaks of 575 and 620 nm in plasma membranes and mitochondria, respectively. Thus, the CL fluctuation in plasma membranes can be clearly visualized by means of the spatially distributed and two-color emissive SF-probes.
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Affiliation(s)
- Xuechen Li
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China.,School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China.,Shenzhen Research Institute of Shandong University, Shenzhen 518057, P. R. China
| | - Guangle Niu
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China.,Shenzhen Research Institute of Shandong University, Shenzhen 518057, P. R. China
| | - Minggang Tian
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Qing Lu
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China
| | - Yuezhi Cui
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Xiaoqiang Yu
- State Key Laboratory of Crystal Materials and Advanced Medical Research Institute, Shandong University, Jinan 250100, P. R. China.,Shenzhen Research Institute of Shandong University, Shenzhen 518057, P. R. China
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54
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Kshtriya V, Koshti B, Pandey DK, Kharbanda S, Kanth P C, Singh DK, Bhatia D, Gour N. Sequential and cellular detection of copper and lactic acid by disaggregation and reaggregation of the fluorescent panchromatic fibres of an acylthiourea based sensor. SOFT MATTER 2021; 17:4304-4316. [PMID: 33908562 DOI: 10.1039/d1sm00038a] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
We report, for the first time, the self-assembly of an acyl-thiourea based sensor, N-{(6-methoxy-pyridine-2-yl) carbamothioyl}benzamide (NG1), with panchromatic fluorescent fibres and its dual-sensing properties for the sequential detection of Cu2+ ions and lactic acid. The panchromatic fibres formed by NG1 were disrupted in the presence of Cu2+ ions and this was accompanied by a visible colour change in the solution from colourless to yellow. The addition of lactic acid to the NG1 + Cu2+ solution, on the other hand, induced re-aggregation to fibrillar structures and the colour of the solution again changed to colourless. Hence, it may be surmised that the disaggregation and re-aggregation impart unique dual-sensing properties to NG1 for the sequential detection of Cu2+ ions and lactic acid. The application of NG1 as a selective sensor for Cu2+ ions and lactic acid has been assessed in detail by UV-visible and fluorescence spectroscopy. Furthermore, two structural variants of NG1, namely, NG2 and NG3, were synthesized, which suggest the crucial role of pyridine in imparting panchromatic emission properties and of both pyridine and acyl-thiourea side chain in the binding of Cu2+ ions. The O-methoxy group plays an important part in making NG1 the most sensitive probe of its structural analogs. Finally, the utility of NG1 for the sequential and cellular detection of Cu2+ ions and lactic acid was studied in human RPE cells. The experimental results of the interaction of NG1 with Cu2+ ions and lactic acid have also been validated theoretically by using quantum chemical calculations based on density functional theory (DFT). To the best of our knowledge, this is the first report wherein a dual sensor for Cu2+ ions and lactate ions is synthesized. More importantly, the aggregation properties of the sensor have been studied extensively and an interesting correlation of the photophysical properties of the probe with its self-assembling behavior has been elucidated.
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Affiliation(s)
- Vivekshinh Kshtriya
- Department of Chemistry, Indrashil University, Kadi, Mehsana, Gujarat 382740, India.
| | - Bharti Koshti
- Department of Chemistry, Indrashil University, Kadi, Mehsana, Gujarat 382740, India.
| | - Deepak K Pandey
- Department of Basic Sciences, Institute of Infrastructure Technology Research and Management, Ahmedabad, 380026, India
| | - Sumit Kharbanda
- Biological Engineering Discipline and Center for Biomedical Research, Indian Institute of Technology Gandhinagar, Palaj 382355, Gandhinagar, India
| | - Chandra Kanth P
- Department of Science, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar, Gujarat, India
| | - Dheeraj K Singh
- Department of Basic Sciences, Institute of Infrastructure Technology Research and Management, Ahmedabad, 380026, India
| | - Dhiraj Bhatia
- Biological Engineering Discipline and Center for Biomedical Research, Indian Institute of Technology Gandhinagar, Palaj 382355, Gandhinagar, India
| | - Nidhi Gour
- Department of Chemistry, Indrashil University, Kadi, Mehsana, Gujarat 382740, India.
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55
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Li X, Long C, Cui Y, Tao F, Yu X, Lin W. Charge-Dependent Strategy Enables a Single Fluorescent Probe to Study the Interaction Relationship between Mitochondria and Lipid Droplets. ACS Sens 2021; 6:1595-1603. [PMID: 33755435 DOI: 10.1021/acssensors.0c02677] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Cooperation between organelles is essential to maintain the normal operation of the cell. A lipid droplet (LD), a dynamic organelle, is specialized in lipid storage and can interact physically with mitochondria in several cell types. However, an appropriate method for in situ studying the interaction relationships of mitochondria-LDs is still lacking. Herein, a charge-dependent strategy is proposed for the first time by considering adequately the charge difference between mitochondria and LDs. According to the novel strategy, we have developed a unique fluorescent probe Mito-LD based on the cyclization and ring-opening conversion. Mito-LD could simultaneously stain mitochondria and LDs and emit a red and green fluorescence, respectively. More importantly, with the probe Mito-LD, the in situ interaction relationships of mitochondria-LDs were investigated in detail from LD accumulation, mitochondrial dysfunction, lower environmental temperatures, and four aspects of apoptosis. The experimental results showed that mitochondria played an important role in LD accumulation, and the numbers and size of LDs would increase after mitochondrial dysfunction that may be due to excess liposomes. In addition, as an energy storage organelle, LDs played an important role in helping to coordinate mitochondrial energy supply in response to cold. In addition, the Mito-LD revealed that the polarity of mitochondria was higher than that of LDs. In a word, the probe Mito-LD could serve as a potential tool for further exploring mitochondria-LD interaction mechanisms, and importantly, the charge-dependent strategy is valuable for designing robust new probes in imaging multiple organelles.
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Affiliation(s)
- Xuechen Li
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Daxue Road 3501, Changqing District, Jinan 250353, P. R. China
| | - Chenyuan Long
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Daxue Road 3501, Changqing District, Jinan 250353, P. R. China
| | - Yuezhi Cui
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Daxue Road 3501, Changqing District, Jinan 250353, P. R. China
| | - Furong Tao
- School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Daxue Road 3501, Changqing District, Jinan 250353, P. R. China
| | - Xiaoqiang Yu
- Center of Bio and Micro/Nano Functional Materials, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, P. R. China
| | - Weiying Lin
- Guangxi Key Laboratory of Electrochemical Energy Materials, Institute of Optical Materials and Chemical Biology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, Guangxi 530004, P. R. China
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56
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Campanella AJ, Nguyen MT, Zhang J, Ngendahimana T, Antholine WE, Eaton GR, Eaton SS, Glezakou VA, Zadrozny JM. Ligand control of low-frequency electron paramagnetic resonance linewidth in Cr(III) complexes. Dalton Trans 2021; 50:5342-5350. [PMID: 33881070 PMCID: PMC8173706 DOI: 10.1039/d1dt00066g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Understanding how the ligand shell controls low-frequency electron paramagnetic resonance (EPR) spectroscopic properties of metal ions is essential if they are to be used in EPR-based bioimaging schemes. In this work, we probe how specific variations in the ligand structure impact L-band (ca. 1.3 GHz) EPR spectroscopic linewidths in the trichloride salts of five Cr(iii) complexes: [Cr(RR-dphen)3]3+ (RR-dphen = (1R,2R)-(+)-diphenylethylenediamine, 1), [Cr(en)3]3+ (en = ethylenediamine, 2), [Cr(me-en)3]3+ (me-en = 1,2-diaminopropane, 3), [Cr(tn)3]3+ (tn = 1,3-diaminopropane, 4) [Cr(trans-chxn)3]3+ (trans-chxn = trans-(±)-1,2-diaminocyclohexane, 5). Spectral broadening varies in a nonintuitive manner across the series, showing the sharpest peaks for 1 and broadest for 5. Molecular dynamics simulations provide evidence that the broadening is correlated to rigidity in the inner coordination sphere and reflected in ligand-dependent distribution of Cr-N bond distances that can be found in frozen solution.
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Affiliation(s)
- Anthony J Campanella
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA.
| | - Manh-Thuong Nguyen
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - Jun Zhang
- Physical Sciences Division, Pacific Northwest National Laboratory, Richland, Washington 99354, USA
| | - Thacien Ngendahimana
- Department of Chemistry and Biochemistry, University of Denver, Denver, CO 80208, USA
| | - William E Antholine
- National Biomedical EPR Center, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Gareth R Eaton
- Department of Chemistry and Biochemistry, University of Denver, Denver, CO 80208, USA
| | - Sandra S Eaton
- Department of Chemistry and Biochemistry, University of Denver, Denver, CO 80208, USA
| | | | - Joseph M Zadrozny
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA.
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57
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Ashokkumar P, Collot M, Klymchenko AS. Fluorogenic Squaraine Dendrimers for Background-Free Imaging of Integrin Receptors in Cancer Cells. Chemistry 2021; 27:6795-6803. [PMID: 33567148 DOI: 10.1002/chem.202100480] [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: 02/07/2021] [Indexed: 11/06/2022]
Abstract
To overcome the limited brightness of existing fluorogenic molecular probes for biomolecular targets, we introduce a concept of fluorogenic dendrimer probe, which undergoes polarity-dependent switching due to intramolecular aggregation-caused quenching of its fluorophores. Based on a rational design of dendrimers with four and eight squaraine dyes, we found that octamer bearing dyes through a sufficiently long PEG(8) linker displays >400-fold fluorescence enhancement from water to non-polar dioxane. High extinction coefficient (≈2,300,000 m-1 cm-1 ) resulted from eight squaraine dyes and quantum yield (≈25 %) make this octamer the brightest environment-sensitive fluorogenic molecule reported to date. Its conjugate with cyclic RGD used at low concentration (3 nm) enables integrin-specific fluorescence imaging of cancer cells with high signal-to-background ratio. The developed dendrimer probe is a "golden middle" between molecular probes and nanoparticles, combining small size, turn-on response and high brightness, important for bioimaging.
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Affiliation(s)
- Pichandi Ashokkumar
- Laboratoire de Biophotonique et Pharmacologie, CNRS UMR 7213, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401, Illkirch, France.,Department of Bioelectronics and Biosensors, Alagappa University, Karaikudi, 630 004, Tamil Nadu, India
| | - Mayeul Collot
- Laboratoire de Biophotonique et Pharmacologie, CNRS UMR 7213, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401, Illkirch, France
| | - Andrey S Klymchenko
- Laboratoire de Biophotonique et Pharmacologie, CNRS UMR 7213, Faculté de Pharmacie, Université de Strasbourg, 74, Route du Rhin, 67401, Illkirch, France
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58
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Li G, Hu X, Wu X, Zhang Y. Microtubule-Targeted Self-Assembly Triggers Prometaphase-Metaphase Oscillations Suppressing Tumor Growth. NANO LETTERS 2021; 21:3052-3059. [PMID: 33756080 DOI: 10.1021/acs.nanolett.1c00233] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Microtubules are highly strategic targets of cancer therapies. Small molecule antimitotic agents are so far the best chemotherapeutic medication in cancer treatment. However, the high rate of neuropathy and drug resistance limit their clinical usage. Inspired by the multicomponent-targeting feature of molecular self-assembly (MSA) overcoming drug resistance, we synthesized peptide-based rotor molecules that self-assemble in response to the surrounding environment to target the microtubule array. The MSAs self-adjust morphologically in response to the pH change and viscosity variations during Golgi-endosome trafficking, escape trafficking cargos, and eventually bind to the microtubule array physically in a nonspecific manner. Such unrefined nano-bio interactions suppress regional tubulin polymerization triggering atypical prometaphase--metaphase oscillations to inhibit various cancer cells proliferating without inducing obvious neurotoxicity. The MSA also exerts potent antiproliferative effects in the subcutaneous cervix cancer xenograft tumor model equivalent to Cisplatin, better than the classic antimitotic drug Taxol.
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Affiliation(s)
- Guanying Li
- Bioinspired Soft Matter Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Health Science Center, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Xunwu Hu
- Bioinspired Soft Matter Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Xia Wu
- Bioinspired Soft Matter Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
| | - Ye Zhang
- Bioinspired Soft Matter Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Okinawa 904-0495, Japan
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59
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She M, Wang Z, Chen J, Li Q, Liu P, Chen F, Zhang S, Li J. Design strategy and recent progress of fluorescent probe for noble metal ions (Ag, Au, Pd, and Pt). Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213712] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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60
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Shen T, Gao Y, Wang C, Xu Z, Liu X. Methine-Quinoidal Fragment Induces Significant Bathochromic Shifts in Organic Dyes. J Phys Chem B 2021; 125:1447-1452. [PMID: 33530685 DOI: 10.1021/acs.jpcb.0c10752] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Bathochromical shifts in the UV-vis absorption (and emission) spectra and reduced molecular sizes are two desirable features of organic dyes in many applications, i.e., live-cell fluorescence imaging and solar cells. Yet, these two features are often viewed as contradictory requirements as expanding the π-conjugation is one of the most widely used methods for prompting this redshift. Interestingly, it has been reported that linking a methine-quinoidal unit can result in a significant redshift in the UV-vis absorption spectra in comparison with the methine-benzenoidal constitutional isomers (by 61 nm in dioxane). Herein, using comprehensive quantum chemical calculations with various functionals and solvent formalisms in 10 solvents with different polarities, we demonstrated that the formation of the quinoidal moiety plays a decisive role in this redshift. We further showed that the inclusion of a quinoidal unit without increasing the molecular size represents a general design strategy for the bathochromic shifts of many organic dyes.
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Affiliation(s)
- Tianruo Shen
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
| | - Ying Gao
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore.,Jilin Engineering Normal University, 3050 Kaixuan Road, Changchun 130052, China
| | - Chao Wang
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore.,CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Zhaochao Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
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61
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Danylchuk DI, Jouard PH, Klymchenko AS. Targeted Solvatochromic Fluorescent Probes for Imaging Lipid Order in Organelles under Oxidative and Mechanical Stress. J Am Chem Soc 2021; 143:912-924. [DOI: 10.1021/jacs.0c10972] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Dmytro I. Danylchuk
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
| | - Pierre-Henri Jouard
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
| | - Andrey S. Klymchenko
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 Route du Rhin, 67401 Illkirch, France
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62
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Gao Y, Wang C, Chi W, Liu X. Molecular Origins of Heteroatom Engineering on the Emission Wavelength Tuning, Quantum Yield Variations and Fluorogenicity of NBD-like SCOTfluors. Chem Asian J 2020; 15:4082-4086. [PMID: 33029926 DOI: 10.1002/asia.202000966] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/29/2020] [Indexed: 01/15/2023]
Abstract
Molecular engineering of fluorophore scaffolds, especially heteroatom replacement, is a promising method to yield novel fluorophores with tailored properties for various applications. Yet, molecular origins of the distinct fluorescent properties in newly developed SCOTfluors, i. e., varied emission wavelengths, distinct quantum yields, and fluorogenicity, remain elusive. Such understanding, however, is critical for the rational molecular engineering of high-performance fluorophores. Herein, we employed quantum chemical calculations to understand the structure-property relationships of nitrobenzoxadiazole (NBD)-like SCOTfluors. Our findings are important not only for the rational deployment of SCOTfluors, but also for the effective modifications of other fluorophore scaffolds, for satisfying the increasingly diversified requirements of bioimaging and biosensing applications.
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Affiliation(s)
- Ying Gao
- Jilin Engineering Normal University, Kaixuan Road 3050, Changchun, 130052, P. R. China.,Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372, Singapore
| | - Chao Wang
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372, Singapore
| | - Weijie Chi
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372, Singapore
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore, 487372, Singapore
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63
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Mattison RL, Bowyer AA, New EJ. Small molecule optical sensors for nickel: The quest for a universal nickel receptor. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2020.213522] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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64
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Sharma S, Wei Z, Grozema FC, Sengupta S. Structure-property relationships in multi-stimuli responsive BODIPY-biphenyl-benzodithiophene TICT rigidochromic rotors exhibiting (pseudo-)Stokes shifts up to 221 nm. Phys Chem Chem Phys 2020; 22:25514-25521. [PMID: 33164016 DOI: 10.1039/d0cp04579a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Structure-property relationships of donor-π-acceptor (D-π-A) type molecular dyad (pp-AD) and triads (pp-ADA and Me-pp-ADA) based on benzodithiophene and BODIPY with biphenyl spacers have been reported. Rotors pp-AD and pp-ADA showed efficient twisted intramolecular charge transfer (TICT) with near infrared (NIR) emissions at ∼712 nm and ∼725 nm with (pseudo-)Stokes shifts of ∼208 nm and ∼221 nm, respectively, and prominent solvatochromism. A structurally similar triad, Me-pp-ADA, with tetramethyl substituents on the BODIPY core instead was TICT inactive and exhibited excitation energy transfer with a transfer efficiency of ∼88% as revealed using steady state emission and transient absorption measurements. Rotors pp-AD and pp-ADA showed NIR emission with an enhancement in intensity with the addition of water in THF solution as well as a pronounced change in emission intensity with temperature and viscosity variations, which justify their utility as temperature and viscosity sensors. Furthermore, the linear correlation of lifetime with fluorescence intensity ratios of the donor and acceptor justifies the rigidochromic behaviour of these rotors.
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Affiliation(s)
- Sushil Sharma
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, Punjab-140306, India.
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65
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Bachollet SPJT, Addi C, Pietrancosta N, Mallet JM, Dumat B. Fluorogenic Protein Probes with Red and Near-Infrared Emission for Genetically Targeted Imaging*. Chemistry 2020; 26:14467-14473. [PMID: 32691883 DOI: 10.1002/chem.202002911] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Indexed: 11/09/2022]
Abstract
Fluorogenic probes are important tools to image proteins with high contrast and no wash protocols. In this work, we rationally designed and synthesized a small set of four protein fluorogens with red or near-infrared emission. The fluorophores were characterized in the presence of albumin as a model protein environment and exhibited good fluorogenicity and brightness (fluorescence quantum yield up to 36 %). Once conjugated to a haloalkane ligand, the probes reacted with the protein self-labeling tag HaloTag with a high fluorescence enhancement (up to 156-fold). The spectroscopic properties of the fluorogens and their reaction with HaloTag were investigated experimentally in vitro and with the help of molecular dynamics. The two most promising probes, one in the red and one in the near-infrared range, were finally applied to image the nucleus or actin in live-cell and in wash-free conditions using fluorogenic and chemogenetic targeting of HaloTag fusion proteins.
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Affiliation(s)
- Sylvestre P J T Bachollet
- Laboratoire des Biomolécules, LBM, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Cyril Addi
- Membrane Traffic and Cell Division Lab, Cell Biology and Infection Department, Institut Pasteur, CNRS UMR3691, Sorbonne Université, 75005, Paris, France
| | - Nicolas Pietrancosta
- Laboratoire des Biomolécules, LBM, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France.,Neuroscience Paris Seine-Institut de Biologie Paris Seine (NPS-IBPS) INSERM, CNRS, Sorbonne Université, Paris, France
| | - Jean-Maurice Mallet
- Laboratoire des Biomolécules, LBM, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
| | - Blaise Dumat
- Laboratoire des Biomolécules, LBM, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005, Paris, France
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66
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Liu X, Chi W, Gómez‐Infante ADJ, Peña‐Cabrera E, Liu X, Chang Y. A Systematic Study on the Relationship Between Viscosity Sensitivity and
Temperature Dependency
of
BODIPY
Rotors. B KOREAN CHEM SOC 2020. [DOI: 10.1002/bkcs.12110] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xiao Liu
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
- Center for Self‐assembly and Complexity Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
| | - Weijie Chi
- Fluorescence Research Group Singapore University of Technology and Design Singapore 487372 Singapore
| | | | - Eduardo Peña‐Cabrera
- Departamento de Quimica DCNE Campus Guanajuato, Universidad de Guanajuato Guanajuato 36050 Mexico
| | - Xiaogang Liu
- Fluorescence Research Group Singapore University of Technology and Design Singapore 487372 Singapore
| | - Young‐Tae Chang
- Department of Chemistry Pohang University of Science and Technology Pohang 37673 Republic of Korea
- Center for Self‐assembly and Complexity Institute for Basic Science (IBS) Pohang 37673 Republic of Korea
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67
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Wang Y, Zhou R, Liu W, Liu C, Wu P. Comparison of benzothiazole-based dyes for sensitive DNA detection. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.01.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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68
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Fang Z, Su Z, Qin W, Li H, Fang B, Du W, Wu Q, Peng B, Li P, Yu H, Li L, Huang W. Two-photon dual-channel fluorogenic probe for in situ imaging the mitochondrial H2S/viscosity in the brain of drosophila Parkinson’s disease model. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.03.063] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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69
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Danylchuk DI, Sezgin E, Chabert P, Klymchenko AS. Redesigning Solvatochromic Probe Laurdan for Imaging Lipid Order Selectively in Cell Plasma Membranes. Anal Chem 2020; 92:14798-14805. [PMID: 33044816 DOI: 10.1021/acs.analchem.0c03559] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Imaging of biological membranes by environmentally sensitive solvatochromic probes, such as Laurdan, provides information about the organization of lipids, their ordering, and their uneven distribution. To address a key drawback of Laurdan linked to its rapid internalization and subsequent labeling of internal membranes, we redesigned it by introducing a membrane anchor group based on negatively charged sulfonate and dodecyl chain. The obtained probe, Pro12A, stains exclusively the outer leaflet of lipid bilayers of liposomes, as evidenced by leaflet-specific fluorescence quenching with a viologen derivative, and shows higher fluorescence brightness than Laurdan. Pro12A also exhibits stronger spectral change between liquid-ordered and liquid-disordered phases in model membranes and distinguishes better lipid domains in giant plasma membrane vesicles (GPMVs) than Laurdan. In live cells, it stains exclusively the cell plasma membranes, in contrast to Laurdan and its carboxylate analogue C-Laurdan. Owing to its outer leaflet binding, Pro12A is much more sensitive to cholesterol extraction than Laurdan, which is redistributed within both plasma membrane leaflets and intracellular membranes. Finally, its operating range in the blue spectral region ensures the absence of crosstalk with a number of orange/red fluorescent proteins and dyes. Thus, Pro12A will enable accurate multicolor imaging of lipid organization of cell plasma membranes in the presence of fluorescently tagged proteins of interest, which will open new opportunities in biomembrane research.
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Affiliation(s)
- Dmytro I Danylchuk
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 route du Rhin, 67401 Illkirch, France
| | - Erdinc Sezgin
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, Headley Way, Oxford OX3 9DS, U.K.,Science for Life Laboratory, Department of Women's and Children's Health, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Philippe Chabert
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 route du Rhin, 67401 Illkirch, France
| | - Andrey S Klymchenko
- Laboratoire de Bioimagerie et Pathologies, UMR 7021 CNRS, Université de Strasbourg, 74 route du Rhin, 67401 Illkirch, France
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70
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Moreno S, Sharan P, Engelke J, Gumz H, Boye S, Oertel U, Wang P, Banerjee S, Klajn R, Voit B, Lederer A, Appelhans D. Light-Driven Proton Transfer for Cyclic and Temporal Switching of Enzymatic Nanoreactors. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002135. [PMID: 32783385 DOI: 10.1002/smll.202002135] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/25/2020] [Indexed: 06/11/2023]
Abstract
Temporal activation of biological processes by visible light and subsequent return to an inactive state in the absence of light is an essential characteristic of photoreceptor cells. Inspired by these phenomena, light-responsive materials are very attractive due to the high spatiotemporal control of light irradiation, with light being able to precisely orchestrate processes repeatedly over many cycles. Herein, it is reported that light-driven proton transfer triggered by a merocyanine-based photoacid can be used to modulate the permeability of pH-responsive polymersomes through cyclic, temporally controlled protonation and deprotonation of the polymersome membrane. The membranes can undergo repeated light-driven swelling-contraction cycles without losing functional effectiveness. When applied to enzyme loaded-nanoreactors, this membrane responsiveness is used for the reversible control of enzymatic reactions. This combination of the merocyanine-based photoacid and pH-switchable nanoreactors results in rapidly responding and versatile supramolecular systems successfully used to switch enzymatic reactions ON and OFF on demand.
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Affiliation(s)
- Silvia Moreno
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
| | - Priyanka Sharan
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden, 01062, Germany
- Materials Science Centre, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Johanna Engelke
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden, 01062, Germany
| | - Hannes Gumz
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
- Center for Advancing Electronics Dresden, Technische Universität Dresden, Dresden, 01062, Germany
| | - Susanne Boye
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
| | - Ulrich Oertel
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
| | - Peng Wang
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden, 01062, Germany
| | - Susanta Banerjee
- Materials Science Centre, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Rafal Klajn
- Department of Organic Chemistry, Weizmann Institute of Science, Rehovot, 76100, Israel
| | - Brigitte Voit
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden, 01062, Germany
- Center for Advancing Electronics Dresden, Technische Universität Dresden, Dresden, 01062, Germany
| | - Albena Lederer
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
- Faculty of Chemistry and Food Chemistry, Technische Universität Dresden, Dresden, 01062, Germany
- Department of Chemistry and Polymer Science, Stellenbosch University, Private Bag X1, Matieland, 7602, South Africa
| | - Dietmar Appelhans
- Leibniz-Institut für Polymerforschung Dresden e.V., Hohe Straße 6, Dresden, 01069, Germany
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71
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Qi J, Duan X, Cai Y, Jia S, Chen C, Zhao Z, Li Y, Peng HQ, Kwok RTK, Lam JWY, Ding D, Tang BZ. Simultaneously boosting the conjugation, brightness and solubility of organic fluorophores by using AIEgens. Chem Sci 2020; 11:8438-8447. [PMID: 34123103 PMCID: PMC8163428 DOI: 10.1039/d0sc03423a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Accepted: 07/25/2020] [Indexed: 11/21/2022] Open
Abstract
Organic near-infrared (NIR) emitters hold great promise for biomedical applications. Yet, most organic NIR fluorophores face the limitations of short emission wavelengths, low brightness, unsatisfactory processability, and the aggregation-caused quenching effect. Therefore, development of effective molecular design strategies to improve these important properties at the same time is a highly pursued topic, but very challenging. Herein, aggregation-induced emission luminogens (AIEgens) are employed as substituents to simultaneously extend the conjugation length, boost the fluorescence quantum yield, and increase the solubility of organic NIR fluorophores, being favourable for biological applications. A series of donor-acceptor type compounds with different substituent groups (i.e., hydrogen, phenyl, and tetraphenylethene (TPE)) are synthesized and investigated. Compared to the other two analogs, MTPE-TP3 with TPE substituents exhibits the reddest fluorescence, highest brightness, and best solubility. Both the conjugated structure and twisted conformation of TPE groups endow the resulting compounds with improved fluorescence properties and processability for biomedical applications. The in vitro and in vivo applications reveal that the NIR nanoparticles function as a potent probe for tumour imaging. This study would provide new insights into the development of efficient building blocks for improving the performance of organic NIR emitters.
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Affiliation(s)
- Ji Qi
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
| | - Xingchen Duan
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education and College of Life Sciences, Nankai University Tianjin 300071 China
| | - Yuanjing Cai
- Beijing Advanced Innovation Centre for Soft Matter Science and Engineering, Beijing University of Chemical Technology Beijing 100029 China
| | - Shaorui Jia
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
| | - Chao Chen
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education and College of Life Sciences, Nankai University Tianjin 300071 China
| | - Zheng Zhao
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
| | - Ying Li
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
| | - Hui-Qing Peng
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
| | - Ryan T K Kwok
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
- HKUST-Shenzhen Research Institute No. 9 Yuexing First RD, South Area, Hi-tech Park, Nanshan Shenzhen 518057 China
| | - Jacky W Y Lam
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
- HKUST-Shenzhen Research Institute No. 9 Yuexing First RD, South Area, Hi-tech Park, Nanshan Shenzhen 518057 China
| | - Dan Ding
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials, Ministry of Education and College of Life Sciences, Nankai University Tianjin 300071 China
| | - Ben Zhong Tang
- Department of Chemistry, The Hong Kong Branch of Chinese National Engineering Research Centre for Tissue Restoration and Reconstruction, Institute for Advanced Study, Department of Chemical and Biological Engineering, Institute of Molecular Functional Materials, The Hong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong China
- HKUST-Shenzhen Research Institute No. 9 Yuexing First RD, South Area, Hi-tech Park, Nanshan Shenzhen 518057 China
- NSFC Centre for Luminescence from Molecular Aggregates, SCUT-HKUST Joint Research Institute, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology Guangzhou 510640 China
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72
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Deiana M, Chand K, Jamroskovic J, Das RN, Obi I, Chorell E, Sabouri N. A site-specific self-assembled light-up rotor probe for selective recognition and stabilization of c-MYC G-quadruplex DNA. NANOSCALE 2020; 12:12950-12957. [PMID: 32525170 DOI: 10.1039/d0nr03404e] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Direct and unambiguous evidence of the formation of G-quadruplexes (G4s) in human cells have shown their implication in several key biological events and has emphasized their role as important targets for small-molecule cancer therapeutics. Here, we report on the first example of a self-assembled molecular-rotor G4-binder able to discriminate between an extensive panel of G4 and non-G4 structures and to selectively light-up (up to 64-fold), bind (nanomolar range), and stabilize the c-MYC promoter G4 DNA. In particular, association with the c-MYC G4 triggers the disassembly of its supramolecular state (disaggregation-induced emission, DIE) and induces geometrical restrictions (motion-induced change in emission, MICE) leading to a significant enhancement of its emission yield. Moreover, this optical reporter is able to selectively stabilize the c-MYC G4 and inhibit DNA synthesis. Finally, by using confocal laser-scanning microscopy (CLSM) we show the ability of this compound to localize primarily in the subnuclear G4-rich compartments of cancer cells. This work provides a benchmark for the future design and development of a new generation of smart sequence-selective supramolecular G4-binders that combine outstanding sensing and stability properties, to be utilized in anti-cancer therapy.
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Affiliation(s)
- Marco Deiana
- Department of Medical Biochemistry and Biophysics, Umeå University, 90187 Umeå, Sweden.
| | - Karam Chand
- Department of Chemistry, Umeå University, 90187 Umeå, Sweden.
| | - Jan Jamroskovic
- Department of Medical Biochemistry and Biophysics, Umeå University, 90187 Umeå, Sweden.
| | | | - Ikenna Obi
- Department of Medical Biochemistry and Biophysics, Umeå University, 90187 Umeå, Sweden.
| | - Erik Chorell
- Department of Chemistry, Umeå University, 90187 Umeå, Sweden.
| | - Nasim Sabouri
- Department of Medical Biochemistry and Biophysics, Umeå University, 90187 Umeå, Sweden.
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73
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Liu F, Yan JR, Chen S, Yan GP, Pan BQ, Zhang Q, Wang YF, Gu YT. Polypeptide-rhodamine B probes containing laminin/fibronectin receptor-targeting sequence (YIGSR/RGD) for fluorescent imaging in cancers. Talanta 2020; 212:120718. [DOI: 10.1016/j.talanta.2020.120718] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 12/31/2019] [Accepted: 01/03/2020] [Indexed: 12/19/2022]
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74
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Liu X, Chi W, Qiao Q, Kokate SV, Cabrera EP, Xu Z, Liu X, Chang YT. Molecular Mechanism of Viscosity Sensitivity in BODIPY Rotors and Application to Motion-Based Fluorescent Sensors. ACS Sens 2020; 5:731-739. [PMID: 32072803 DOI: 10.1021/acssensors.9b01951] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Viscosity in the intracellular microenvironment shows a significant difference in various organelles and is closely related to cellular processes. Such microviscosity in live cells is often mapped and quantified with fluorescent molecular rotors. To enable the rational design of viscosity-sensitive molecular rotors, it is critical to understand their working mechanisms. Herein, we systematically synthesized and investigated two sets of BODIPY-based molecular rotors to study the relationship between intramolecular motions and viscosity sensitivity. Through experimental and computational studies, two conformations (i.e., the planar and butterfly conformations) are found to commonly exist in BODIPY rotors. We demonstrate that the transformation energy barrier from the planar conformation to the butterfly conformation is strongly affected by the molecular structures of BODIPY rotors and plays a critical role in viscosity sensitivity. These findings enable rational structure modifications of BODIPY molecular rotors for highly effective protein detection and recognition.
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Affiliation(s)
- Xiao Liu
- Department of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
- Center for Self-assembly and Complexity, Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
| | - Weijie Chi
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
| | - Qinglong Qiao
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Siddhant V. Kokate
- Departamento de Quimica DCNE, Campus Guanajuato, Universidad de Guanajuato, Guanajuato 36050, Mexico
| | - Eduardo Peña Cabrera
- Departamento de Quimica DCNE, Campus Guanajuato, Universidad de Guanajuato, Guanajuato 36050, Mexico
| | - Zhaochao Xu
- Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372, Singapore
| | - Young-Tae Chang
- Department of Chemistry, Pohang University of Science and Technology, Pohang 37673, Republic of Korea
- Center for Self-assembly and Complexity, Institute for Basic Science (IBS), Pohang 37673, Republic of Korea
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75
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Li PJ, Anwar MT, Fan CY, Juang DS, Lin HY, Chang TC, Kawade SK, Chen HJ, Chen YJ, Tan KT, Lin CC. Fluorescence "Turn-on" Lectin Sensors Fabricated by Ligand-Assisted Labeling Probes for Detecting Protein-Glycoprotein Interactions. Biomacromolecules 2020; 21:815-824. [PMID: 31891486 DOI: 10.1021/acs.biomac.9b01495] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Elucidation of protein-protein interactions (PPIs) is often very challenging and yields complex and unclear results. Lectin-glycoprotein interactions are especially difficult to study due to the noncovalent nature of the interactions and inherently low binding affinities of proteins to glycan ligands on glycoproteins. Here, we report a "ligand-directed labeling probe (LLP)"-based approach to fabricate protein probes for elucidating protein-glycoprotein interactions. LLP was designed with dual photoactivatable groups for the introduction of an alkyne handle proximal to the carbohydrate-binding pocket of lectins, Ricinus communis agglutinin 120 (RCA120) and recombinant human Siglec-2-Fc. In proof-of-principle studies, alkynylated lectins were conjugated with a photoreactive diazirine cross-linker and an environment-sensitive fluorophore, respectively, by the bioorthogonal click reaction. The modified RCA120 or Siglec-2-Fc was used for detecting the interaction with the target glycoprotein in the solution or endogenously expressed glycoproteins on live HeLa cells. We anticipate that the fabrication of these protein probes will accelerate the discovery of novel PPIs.
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Affiliation(s)
- Pei-Jhen Li
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Mohammad Tarigue Anwar
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Chen-Yo Fan
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Duane S Juang
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Hsin-Yi Lin
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Tsung-Che Chang
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Sachin Kisan Kawade
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Hsiang-Jung Chen
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Yu-Ju Chen
- Institute of Chemistry , Academia Sinica , Taipei 11529 , Taiwan
| | - Kui-Thong Tan
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan
| | - Chun-Cheng Lin
- Department of Chemistry , National Tsing Hua University , 101 Section 2, Kuang Fu Road , Hsinchu 30013 , Taiwan.,Department of Medicinal and Applied Chemistry , Kaohsiung Medical University , Kaohsiung 80708 , Taiwan
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76
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Li G, Li J, Otsuka Y, Zhang S, Takahashi M, Yamada K. A BODIPY-Based Fluorogenic Probe for Specific Imaging of Lipid Droplets. MATERIALS 2020; 13:ma13030677. [PMID: 32028677 PMCID: PMC7040634 DOI: 10.3390/ma13030677] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 02/01/2020] [Accepted: 02/01/2020] [Indexed: 11/24/2022]
Abstract
We developed an easily accessible boron-dipyrromethene (BODIPY)-based fluorogenic probe, which we named LD-TB. This probe emits bright fluorescence in oil; when compared with aqueous solution, a significant enhancement of fluorescence brightness is observed. Cellular experiments confirmed that the probe stains the lipid droplets (LDs) specifically in both live and fixed cells, providing background-free images. Compared with Nile Red dye, a commonly used LD marker, LD-TB showed superior photostability. The sharp absorption and emission bands enable its multicolor imaging with blue and green probes. Importantly, the probe has proved to have low toxicity and is compatible with cell fixation. Our research provides a promising new fluorogenic probe for specific imaging of LDs.
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Affiliation(s)
- Guanglei Li
- Division of Materials Science, Graduate School of Environmental Science, Hokkaido University, Sapporo 0860-0810, Japan; (Y.O.); (S.Z.)
- Correspondence: (G.L.); (K.Y.); Tel.: +81-011-706-2254 (K.Y.)
| | - Jianye Li
- Laboratory of Animal Genetics and Reproduction, Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan;
| | - Yu Otsuka
- Division of Materials Science, Graduate School of Environmental Science, Hokkaido University, Sapporo 0860-0810, Japan; (Y.O.); (S.Z.)
| | - Shuai Zhang
- Division of Materials Science, Graduate School of Environmental Science, Hokkaido University, Sapporo 0860-0810, Japan; (Y.O.); (S.Z.)
| | - Masashi Takahashi
- Laboratory of Animal Genetics and Reproduction, Research Faculty of Agriculture, Hokkaido University, Sapporo 060-8589, Japan;
- Graduate School of Global Food Resources/Global Station for Food, Land and Water Resources, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo 060-8589, Japan
| | - Koji Yamada
- Division of Materials Science, Graduate School of Environmental Science, Hokkaido University, Sapporo 0860-0810, Japan; (Y.O.); (S.Z.)
- Correspondence: (G.L.); (K.Y.); Tel.: +81-011-706-2254 (K.Y.)
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78
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Ogle MM, Smith McWilliams AD, Jiang B, Martí AA. Latest Trends in Temperature Sensing by Molecular Probes. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.201900255] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Meredith M. Ogle
- Department of ChemistryRice University 6100 Main St MS60 Houston TX 77005 USA
| | | | - Bo Jiang
- Department of ChemistryRice University 6100 Main St MS60 Houston TX 77005 USA
| | - Angel A. Martí
- Department of ChemistryRice University 6100 Main St MS60 Houston TX 77005 USA
- Department of Bioengineering, and Department of Materials Science & NanoengineeringRice University 6100 Main Houston TX 77005 USA
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79
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Yin X, Cai Y, Cai S, Jiao X, Liu C, He S, Zeng X. A deep-red fluorescent molecular rotor based on donor-two-acceptor modular system for imaging mitochondrial viscosity. RSC Adv 2020; 10:30825-30831. [PMID: 35516013 PMCID: PMC9056405 DOI: 10.1039/d0ra04935b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 07/28/2020] [Indexed: 01/29/2023] Open
Abstract
A new donor-two-acceptor modular fluorescence rotor DpCy7 involving a phenolate donor unit and two benzothiazolium acceptor moieties was designed and synthesized. The DpCy7 underwent an internal charge transfer to form a Cy7-like longer conjugated system fluorochrome at a physiological pH. The probe exhibited a strong turn-on (8.5-fold) deep-red emission with a larger Stokes shift in glycerol aqueous solutions with restriction of rotation. Both the fluorescence intensity and fluorescence lifetime displayed the linear relationship of viscosity changes in the logarithmic plots. Furthermore, the HeLa cell imaging experiments of DpCy7 indicated that the rotor could be used to monitor the mitochondrial viscosity in living cells. This new type of deep-red fluorescence rotor provides a potential platform for determining viscosity at subcellular levels. A deep-red fluorescence molecular rotor DpCy7 based on donor-two-acceptor modular system has been designed logically and synthesized for sensitive and selective response to viscosity changes and imaging of mitochondrial viscosity in living cells.![]()
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Affiliation(s)
- Xiaoxi Yin
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
- Key Laboratory of Display Materials and Photoelectric Devices
| | - Yiping Cai
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
- Key Laboratory of Display Materials and Photoelectric Devices
| | - Songtao Cai
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
- Key Laboratory of Display Materials and Photoelectric Devices
| | - Xiaojie Jiao
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
- Key Laboratory of Display Materials and Photoelectric Devices
| | - Chang Liu
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
- Key Laboratory of Display Materials and Photoelectric Devices
| | - Song He
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
- Key Laboratory of Display Materials and Photoelectric Devices
| | - Xianshun Zeng
- Tianjin Key Laboratory for Photoelectric Materials and Devices
- Tianjin University of Technology
- Tianjin 300384
- China
- Key Laboratory of Display Materials and Photoelectric Devices
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80
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Xu L, Ni L, Zeng F, Wu S. Tetranitrile-anthracene as a probe for fluorescence detection of viscosity in fluid drinks via aggregation-induced emission. Analyst 2020; 145:844-850. [DOI: 10.1039/c9an02157d] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An AIE-based fluorescent probe was developed for monitoring the viscosity change during the spoilage process of fluid drinks.
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Affiliation(s)
- Lingfeng Xu
- State Key Laboratory of Luminescent Materials & Devices
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates
- College of Materials Science & Engineering
- South China University of Technology
- Guangzhou 510640
| | - Ling Ni
- State Key Laboratory of Luminescent Materials & Devices
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates
- College of Materials Science & Engineering
- South China University of Technology
- Guangzhou 510640
| | - Fang Zeng
- State Key Laboratory of Luminescent Materials & Devices
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates
- College of Materials Science & Engineering
- South China University of Technology
- Guangzhou 510640
| | - Shuizhu Wu
- State Key Laboratory of Luminescent Materials & Devices
- Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates
- College of Materials Science & Engineering
- South China University of Technology
- Guangzhou 510640
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81
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He L, Yang Y, Lin W. Rational Design of a Rigid Fluorophore-Molecular Rotor-Based Probe for High Signal-to-Background Ratio Detection of Sulfur Dioxide in Viscous System. Anal Chem 2019; 91:15220-15228. [PMID: 31663720 DOI: 10.1021/acs.analchem.9b04103] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Many viscous microenvironments exist in living systems. For instance, at the cellular level, the viscosity of subcellular organelles (mitochondria, lysosomes, endoplasmic reticulum, nucleus, etc.) is much greater than that of cytoplasm; at the organismal level, compared with normal states of health, blood, or lymphatic fluid viscosity will increase to some extent in diabetes, hypertension, inflammation, tumors, and so on. However, due to the design shortcoming, there is a lack of efficient tools for detecting biomolecules in viscous living systems. Herein, we propose a rational design strategy for constructing ratiometric fluorescent probes with superior response signal-to-background (S/B) ratio in viscous systems based on rigid-fluorophore-molecular rotor platform, and a practical sulfur dioxide (SO2) probe (RFC-MRC) based on conmarin-cyanine dyad was prepared as a proof-of-concept. The probe performs a significant enhancement (71.5-fold) of ratiometric response signal stimulated by SO2 in viscous aqueous media. The cationic probe can selectively in mitochondria and was successfully utilized to sense SO2 in living HeLa cells through ratiometric fluorescence imaging. What's more, in the fluorescence imaging experiments of monitoring SO2 in apoptotic cells using probe RFC-MRC, a more obvious superior of S/B ratio was observed in the early apoptotic cells than in the lately apoptotic cells.
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Affiliation(s)
- Longwei He
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering , University of Jinan , Jinan , Shandong 250022 , P. R. China
| | - Yunzhen Yang
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering , University of Jinan , Jinan , Shandong 250022 , P. R. China
| | - Weiying Lin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering , University of Jinan , Jinan , Shandong 250022 , P. R. China
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82
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Aswathy PR, Sharma S, Tripathi NP, Sengupta S. Regioisomeric BODIPY Benzodithiophene Dyads and Triads with Tunable Red Emission as Ratiometric Temperature and Viscosity Sensors. Chemistry 2019; 25:14870-14880. [DOI: 10.1002/chem.201902952] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/17/2019] [Indexed: 02/06/2023]
Affiliation(s)
- P. R. Aswathy
- Department of Chemical SciencesIndian Institute of Science, Education and Research (IISER) Mohali Punjab 140306 India
| | - Sushil Sharma
- Department of Chemical SciencesIndian Institute of Science, Education and Research (IISER) Mohali Punjab 140306 India
| | - Narendra Pratap Tripathi
- Department of Chemical SciencesIndian Institute of Science, Education and Research (IISER) Mohali Punjab 140306 India
| | - Sanchita Sengupta
- Department of Chemical SciencesIndian Institute of Science, Education and Research (IISER) Mohali Punjab 140306 India
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83
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Hu G, Jia H, Zhao L, Cho DH, Fang J. Small molecule fluorescent probes of protein vicinal dithiols. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2019.06.039] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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84
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Ober K, Volz-Rakebrand P, Stellmacher J, Brodwolf R, Licha K, Haag R, Alexiev U. Expanding the Scope of Reporting Nanoparticles: Sensing of Lipid Phase Transitions and Nanoviscosities in Lipid Membranes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:11422-11434. [PMID: 31378067 DOI: 10.1021/acs.langmuir.9b01372] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Biological membrane fluidity and thus the local viscosity in lipid membranes are of vital importance for many life processes and implicated in various diseases. Here, we introduce a novel viscosity sensor design for lipid membranes based on a reporting nanoparticle, a sulfated dendritic polyglycerol (dPGS), conjugated to a fluorescent molecular rotor, indocarbocyanine (ICC). We show that dPGS-ICC provides high affinity to lipid bilayers, enabling viscosity sensing in the lipid tail region. The systematic characterization of viscosity- and temperature-dependent photoisomerization properties of ICC and dPGS-ICC allowed us to determine membrane viscosities in different model systems and in living cells using fluorescence lifetime imaging (FLIM). dPGS-ICC distinguishes between ordered lipids and the onset of membrane defects in small unilamellar single lipid vesicles and is highly sensitive in the fluid phase to small changes in viscosity introduced by cholesterol. In microscopy-based viscosity measurements of large multilamellar vesicles, we observed an order of magnitude more viscous environments by dPGS-ICC, lending support to the hypothesis of heterogeneous nanoviscosity environments even in single lipid bilayers. The existence of such complex viscosity structures could explain the large variation in the apparent membrane viscosity values found in the literature, depending on technique and probe, both for model membranes and live cells. In HeLa cells, a tumor-derived cell line, our nanoparticle-based viscosity sensor detects a membrane viscosity of ∼190 cP and is able to discriminate between cell membrane and intracellular vesicle localization. Thus, our results show the versatility of the dPGS-ICC nano-conjugate in physicochemical and biomedical applications by adding a new analytical functionality to its medical properties.
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Affiliation(s)
- Katja Ober
- Institut für Experimentalphysik , Freie Universität Berlin , Arnimallee 14 , 14195 Berlin , Germany
| | - Pierre Volz-Rakebrand
- Institut für Experimentalphysik , Freie Universität Berlin , Arnimallee 14 , 14195 Berlin , Germany
| | - Johannes Stellmacher
- Institut für Experimentalphysik , Freie Universität Berlin , Arnimallee 14 , 14195 Berlin , Germany
| | - Robert Brodwolf
- Institut für Experimentalphysik , Freie Universität Berlin , Arnimallee 14 , 14195 Berlin , Germany
| | - Kai Licha
- Mivenion GmbH , Robert-Koch-Platz 4 , 10115 Berlin , Germany
| | - Rainer Haag
- Institut für Chemie und Biochemie , Freie Universität Berlin , Takustraße 3 , 14195 Berlin , Germany
| | - Ulrike Alexiev
- Institut für Experimentalphysik , Freie Universität Berlin , Arnimallee 14 , 14195 Berlin , Germany
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85
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Wei X, Zhu MJ, Yan H, Lu C, Xu JJ. Recent Advances in Aggregation-Induced Electrochemiluminescence. Chemistry 2019; 25:12671-12683. [PMID: 31283848 DOI: 10.1002/chem.201902465] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Indexed: 12/31/2022]
Abstract
The emergence of the rising alliance between aggregation-induced emission (AIE) and electrochemiluminescence (ECL) is defined as aggregation-induced electrochemiluminescence (AIECL). The booming science of AIE has proved to be not only distinguished in luminescent materials but could also inject new possibility into ECL analysis. Especially in the aqueous phase and solid state for hydrophobic materials, AIE helps ECL circumvent the dilemma between substantial emission intensity and biocompatible media. The wide range of analytes makes ECL an overwhelmingly interesting analytical technique. Therefore, AIECL has gained potential in clinical diagnostics, environmental assays, and biomarker detections. This review will focus on introduction of the novel concept of AIECL, current applied luminophores, and related applications developed in recent years.
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Affiliation(s)
- Xing Wei
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210023, P. R. China
| | - Meng-Jiao Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, 210023, P. R. China
| | - Hong Yan
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210023, P. R. China
| | - Changsheng Lu
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, Nanjing University, Nanjing, 210023, P. R. China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, Nanjing, 210023, P. R. China
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86
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Zhu JL, Xu Z, Yang Y, Xu L. Small-molecule fluorescent probes for specific detection and imaging of chemical species inside lysosomes. Chem Commun (Camb) 2019; 55:6629-6671. [PMID: 31119257 DOI: 10.1039/c9cc03299a] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In the past few years, the preparation of novel small-molecule fluorescent probes for specific detection and imaging of chemical species inside lysosomes has attracted considerable attention because of their wide applications in chemistry, biology, and medical science. This feature article summarizes the recent advances in the design and preparation of small-molecule fluorescent probes for specific detection of chemical species inside lysosomes. In addition, their properties and applications for the detection and imaging of pH, H2O2, HOCl, O2˙-, lipid peroxidation, H2S, HSO3-, thiols, NO, ONOO-, HNO, Zn2+, Cu2+, enzymes, etc. in lysosomes are discussed as well.
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Affiliation(s)
- Jun-Long Zhu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai, P. R. China.
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87
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Pan S, Zhou J, Liu W, Ye Y, Chen G, Xu J, Qian Z, Chen J, Feng H. Viscosity-sensitive thiolated gold nanoclusters with diffusion-controlled emission for intracellular viscosity imaging. Analyst 2019; 144:4483-4487. [PMID: 31270525 DOI: 10.1039/c9an01035a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A unique diffusion-dependent emission phenomenon of gold nanoclusters was discovered, and can be regulated by the variation in viscosity and temperature. This specific property of gold nanoclusters was further used for viscosity monitoring in live cells, and the results demonstrated that gold nanoclusters are capable of real-time monitoring the abnormal viscosity change inside the cells.
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Affiliation(s)
- Saifei Pan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
| | - Jin Zhou
- College of Pharmacy, Weifang Medical University, Weifang 261053, People's Republic of China
| | - Weidong Liu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
| | - Yuxin Ye
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
| | - Guilin Chen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
| | - Jing Xu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
| | - Zhaosheng Qian
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
| | - Jianrong Chen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
| | - Hui Feng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua 321004, People's Republic of China.
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88
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Yin J, Peng M, Lin W. Visualization of Mitochondrial Viscosity in Inflammation, Fatty Liver, and Cancer Living Mice by a Robust Fluorescent Probe. Anal Chem 2019; 91:8415-8421. [DOI: 10.1021/acs.analchem.9b01293] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Junling Yin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, People’s Republic of China
| | - Min Peng
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, People’s Republic of China
| | - Weiying Lin
- Institute of Fluorescent Probes for Biological Imaging, School of Chemistry and Chemical Engineering, School of Materials Science and Engineering, University of Jinan, Jinan, Shandong 250022, People’s Republic of China
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89
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Qin T, Huang Y, Zhu K, Wang J, Pan C, Liu B, Wang L. A flavonoid-based fluorescent test strip for sensitive and selective detection of a gaseous nerve agent simulant. Anal Chim Acta 2019; 1076:125-130. [PMID: 31203956 DOI: 10.1016/j.aca.2019.05.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 04/26/2019] [Accepted: 05/11/2019] [Indexed: 01/12/2023]
Abstract
Developing fluorescent sensors with ability of monitoring gaseous nerve agents in a sensitive and selective manner is of great importance due to the extreme toxicity and volatility of organophosphorus nerve agents. Herein we reported a novel oxime-modified flavonoid sensor and carefully investigated its sensing behavior towards nerve agent simulants, diethylchlorophosphate (DCP). In the presence of DCP, a remarkable fluorescence enhancement accompanied with emission color change could be observed by naked eyes in solution. The response time was less than 90 s and LOD value was calculated as 0.78 μmol/L in solution. The sensing mechanism could be ascribed to the specific reaction between halophosphate and hydroxyl group of oxime. Furthermore, sensor strips have been successfully constructed by using PEG as matrix with a simple preparation process, and also achieved the sensitive and selective detection of DCP vapor. These results in this study may provide important references for further design of dye-based sensor strips for detection of nerve agents both in solution and gas phase.
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Affiliation(s)
- Tianyi Qin
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, 518060, China
| | - Yingying Huang
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Kangning Zhu
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen, 518060, China
| | - Jiahao Wang
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Chengjun Pan
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Bin Liu
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China; Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen, 518060, China.
| | - Lei Wang
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China; Guangdong Research Center for Interfacial Engineering of Functional Materials, Shenzhen University, Shenzhen, 518060, China.
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90
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Chi W, Qiao Q, Lee R, Liu W, Teo YS, Gu D, Lang MJ, Chang Y, Xu Z, Liu X. A Photoexcitation‐Induced Twisted Intramolecular Charge Shuttle. Angew Chem Int Ed Engl 2019; 58:7073-7077. [DOI: 10.1002/anie.201902766] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Indexed: 01/21/2023]
Affiliation(s)
- Weijie Chi
- Science and Math ClusterSingapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Qinglong Qiao
- CAS Key Laboratory of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Richmond Lee
- Science and Math ClusterSingapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Wenjuan Liu
- CAS Key Laboratory of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Yock Siong Teo
- Singapore-MIT Alliance for Research and Technology (SMART) 1 CREATE Way Singapore 138602 Singapore
| | - Danning Gu
- Singapore-MIT Alliance for Research and Technology (SMART) 1 CREATE Way Singapore 138602 Singapore
| | - Matthew John Lang
- Singapore-MIT Alliance for Research and Technology (SMART) 1 CREATE Way Singapore 138602 Singapore
- Department of Chemical and Biomolecular Engineering and Department of Molecular Physiology and BiophysicsVanderbilt University Nashville TN 37235 USA
| | - Young‐Tae Chang
- Center for Self-Assembly and ComplexityInstitute for Basic Science (IBS) Pohang 37673 Republic of Korea
- Department of ChemistryPohang University of Science and Technology (POSTECH) Pohang 37673 Republic of Korea
| | - Zhaochao Xu
- CAS Key Laboratory of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Xiaogang Liu
- Science and Math ClusterSingapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
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91
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Zhang G, Ni Y, Zhang D, Li H, Wang N, Yu C, Li L, Huang W. Rational design of NIR fluorescence probes for sensitive detection of viscosity in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:339-347. [PMID: 30798216 DOI: 10.1016/j.saa.2019.02.068] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2018] [Revised: 12/21/2018] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
Developing near-infrared (NIR) fluorescence probes for detection of intracellular viscosity is still sufficiently challenging. In this work, three kinds of D-A-D type naphthyl and 2,1,3‑benzoxadiazol hybrid NIR dyes functionalized with amino (NY1), N‑methylamino (NY2) and N,N‑dimethylamino (NY3) groups for intracellular micro-viscosity detection were designed and synthesized. All the probes exhibited very weak NIR emission in low viscosity environment and obvious fluorescence enhancement with the increased viscosity. Different substituent groups had a high impact on the photophysical properties and response sensitive of the probes to viscosity. The structure-property relationships were systematic investigated. The results showed that stronger electron-donating ability and larger steric effect of N,N‑dimethylamino led to a narrower energy gap and more sensitive to viscosity environment. Therefore, NY3 exhibited higher signal noise ratio for viscosity detection and was successfully applied for imaging the changes of intracellular micro-viscosity. This work provides an efficient way to design powerful NIR fluorescence probes for viscosity detection.
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Affiliation(s)
- Gaobin Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China
| | - Yun Ni
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China
| | - Duoteng Zhang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China
| | - Hao Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China
| | - Nanxiang Wang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China
| | - Changmin Yu
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China.
| | - Lin Li
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China.
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic In-novation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, PR China; Shaanxi Institute of Flexible Electronics (SIFE), Northwestern Polytechnical University (NPU), 127 West Youyi Road, Xi'an 710072, PR China.
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92
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Chi W, Qiao Q, Lee R, Liu W, Teo YS, Gu D, Lang MJ, Chang Y, Xu Z, Liu X. A Photoexcitation‐Induced Twisted Intramolecular Charge Shuttle. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201902766] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Weijie Chi
- Science and Math ClusterSingapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Qinglong Qiao
- CAS Key Laboratory of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Richmond Lee
- Science and Math ClusterSingapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Wenjuan Liu
- CAS Key Laboratory of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Yock Siong Teo
- Singapore-MIT Alliance for Research and Technology (SMART) 1 CREATE Way Singapore 138602 Singapore
| | - Danning Gu
- Singapore-MIT Alliance for Research and Technology (SMART) 1 CREATE Way Singapore 138602 Singapore
| | - Matthew John Lang
- Singapore-MIT Alliance for Research and Technology (SMART) 1 CREATE Way Singapore 138602 Singapore
- Department of Chemical and Biomolecular Engineering and Department of Molecular Physiology and BiophysicsVanderbilt University Nashville TN 37235 USA
| | - Young‐Tae Chang
- Center for Self-Assembly and ComplexityInstitute for Basic Science (IBS) Pohang 37673 Republic of Korea
- Department of ChemistryPohang University of Science and Technology (POSTECH) Pohang 37673 Republic of Korea
| | - Zhaochao Xu
- CAS Key Laboratory of Separation Science for Analytical ChemistryDalian Institute of Chemical PhysicsChinese Academy of Sciences 457 Zhongshan Road Dalian 116023 China
| | - Xiaogang Liu
- Science and Math ClusterSingapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
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93
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Wang X, Anton N, Ashokkumar P, Anton H, Fam TK, Vandamme T, Klymchenko AS, Collot M. Optimizing the Fluorescence Properties of Nanoemulsions for Single Particle Tracking in Live Cells. ACS APPLIED MATERIALS & INTERFACES 2019; 11:13079-13090. [PMID: 30844230 DOI: 10.1021/acsami.8b22297] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Nanoemulsions (NEs) are biocompatible lipid nanoparticles composed of an oily core stabilized by a surfactant shell. It is acknowledged that the surface decoration with poly(ethylene glycol), through the use of nonionic surfactants, confers high stealth in biological medium with reduced nonspecific interactions. Tracking individual NE by fluorescence microscopy techniques would lead to a better understanding of their behavior in cells and thus require the development of bright single particles with enhanced photostability. However, the understanding of the relationship between the physicochemical properties and chemical composition of the NEs, on the one hand, and its fluorescence properties of encapsulated dyes, on the other hand, remains limited. Herein, we synthesized three new dioxaborine barbituryl styryl (DBS) dyes that displayed high molar extinction coefficients (up to 120 000 M-1 cm-1) with relatively low quantum yields in solvents and impressive fluorescence enhancement when dissolved in viscous oils (up to 0.98). The reported screening of nine different oils allowed disclosing a range of efficient "oil/dye" couples and understanding the main parameters that lead to the brightest NEs. We determine vitamin E acetate/DBS-C8 as the representative most efficient couple, combining high dye loading capabilities and low aggregation-induced quenching, leading to <50 nm ultrabright NEs (with brightness as high as 30 × 106 M-1 cm-1) with negligible dye leakage in biological media. Beyond a comprehensive optical and physicochemical characterization of fluorescent NEs, cellular two-photon excitation imaging was performed with polymer-coated cell penetrating NEs. Thanks to their impressive brightness and photostability, NEs displaying different charge surfaces were microinjected in HeLa cells and were individually tracked in the cytosol to study their relative velocity.
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Affiliation(s)
- Xinyue Wang
- Université de Strasbourg, CNRS, CAMB UMR 7199 , F-67000 Strasbourg , France
| | - Nicolas Anton
- Université de Strasbourg, CNRS, CAMB UMR 7199 , F-67000 Strasbourg , France
| | - Pichandi Ashokkumar
- Laboratory of Biophotonic and Pathologies , CNRS UMR 7021, Université de Strasbourg , Faculté de Pharmacie, 74, Route du Rhin , 67401 Illkirch , France
| | - Halina Anton
- Laboratory of Biophotonic and Pathologies , CNRS UMR 7021, Université de Strasbourg , Faculté de Pharmacie, 74, Route du Rhin , 67401 Illkirch , France
| | - Tkhe Kyong Fam
- Laboratory of Biophotonic and Pathologies , CNRS UMR 7021, Université de Strasbourg , Faculté de Pharmacie, 74, Route du Rhin , 67401 Illkirch , France
| | - Thierry Vandamme
- Université de Strasbourg, CNRS, CAMB UMR 7199 , F-67000 Strasbourg , France
| | - Andrey S Klymchenko
- Laboratory of Biophotonic and Pathologies , CNRS UMR 7021, Université de Strasbourg , Faculté de Pharmacie, 74, Route du Rhin , 67401 Illkirch , France
| | - Mayeul Collot
- Laboratory of Biophotonic and Pathologies , CNRS UMR 7021, Université de Strasbourg , Faculté de Pharmacie, 74, Route du Rhin , 67401 Illkirch , France
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94
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Niu G, Zhang R, Gu Y, Wang J, Ma C, Kwok RTK, Lam JWY, Sung HHY, Williams ID, Wong KS, Yu X, Tang BZ. Highly photostable two-photon NIR AIEgens with tunable organelle specificity and deep tissue penetration. Biomaterials 2019; 208:72-82. [PMID: 30999153 DOI: 10.1016/j.biomaterials.2019.04.002] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/03/2019] [Accepted: 04/04/2019] [Indexed: 12/23/2022]
Abstract
Photostability is a particularly important parameter for fluorescence imaging especially long-term dynamic tracking in live samples. However, many organic fluorophores show poor photostability under one-photon and two-photon continuous irradiation. In addition, these traditional fluorophores also suffer from aggregation-caused quenching (ACQ) in aggregate state in insolvable water environment. Therefore, it remains challenging to develop photostable and ACQ-free fluorophores for biological imaging. In this work, we developed two highly photostable aggregation-induced emission luminogens (AIEgens) based on the cyanostilbene core for in vitro and ex vivo bioimaging. These AIEgens named CS-Py+SO3- and CS-Py+ exhibit near-infrared solid-state emission, large Stokes shift (>180 nm), high fluorescence quantum yield (12.8%-13.7%) and good two-photon absorption cross section (up to 88 GM). CS-Py+SO3- and CS-Py+ show specific organelle staining with high biocompatibility in membrane and mitochondria in live cells, respectively. In addition, selective two-photon mitochondria visualization in live rat skeletal muscle tissues with deep-tissue penetration (about 100 μm) is successfully realized by using CS-Py+. Furthermore, these AIEgens especially CS-Py+ exhibit remarkably high resistance to photobleaching under one-photon and two-photon continuous irradiation. These highly photostable AIEgens could be potentially utilized in visualizing and tracking specific organelle-associated dynamic changes in live systems.
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Affiliation(s)
- Guangle Niu
- HKUST-Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan, Shenzhen, 518057, China; Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Ruoyao Zhang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China; Center of Bio and Micro/Nano Functional Materials, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Yuan Gu
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Jianguo Wang
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Chao Ma
- Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Ryan T K Kwok
- HKUST-Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan, Shenzhen, 518057, China; Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Jacky W Y Lam
- HKUST-Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan, Shenzhen, 518057, China; Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Herman H-Y Sung
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Ian D Williams
- Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Kam Sing Wong
- Department of Physics, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China
| | - Xiaoqiang Yu
- Center of Bio and Micro/Nano Functional Materials, State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, China
| | - Ben Zhong Tang
- HKUST-Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan, Shenzhen, 518057, China; Department of Chemistry, Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Institute for Advanced Study, Institute of Molecular Functional Materials, And Department of Chemical and Biological Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, 999077, China; Center for Aggregation-Induced Emission, SCUT-HKUST Joint Research Institute, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640, China.
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95
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Maffeis V, Mavreas K, Monti F, Mamais M, Gustavsson T, Chrysina ED, Markovitsi D, Gimisis T, Venturini A. Multiscale time-resolved fluorescence study of a glycogen phosphorylase inhibitor combined with quantum chemistry calculations. Phys Chem Chem Phys 2019; 21:7685-7696. [PMID: 30912774 DOI: 10.1039/c8cp07538g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A fluorescence study of N1-(β-d-glucopyranosyl)-N4-[2-acridin-9(10H)-onyl]-cytosine (GLAC), the first fluorescent potent inhibitor of glycogen phosphorylase (GP), in neutral aqueous solution, is presented herein. Quantum chemistry (TD-DFT) calculations show the existence of several conformers both in the ground and first excited states. They result from rotations of the acridone and cytosine moieties around an NH bridge which may lead to the formation of non-emitting charge-transfer states. The fingerprints of various conformers have been detected by time-resolved fluorescence spectroscopy (fluorescence upconversion and time-correlated single photon counting) and identified using as criteria their energy, polarization and relative population resulting from computations. Such an analysis should contribute to the design of new GP inhibitors with better fluorescence properties, suitable for imaging applications.
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Affiliation(s)
- Valentin Maffeis
- LIDYL, CEA, CNRS, Université Paris-Saclay, Gif-sur-Yvette, France.
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96
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Dey N, Biswakarma D, Bajpai A, Moorthy JN, Bhattacharya S. Modulation of Excited-State Proton-Transfer Dynamics inside the Nanocavity of Microheterogeneous Systems: Microenvironment-Sensitive Förster Energy Transfer to Riboflavin. Chemphyschem 2019; 20:881-889. [PMID: 30548519 DOI: 10.1002/cphc.201801085] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Revised: 08/15/2018] [Indexed: 12/11/2022]
Abstract
The excited-state proton-transfer efficiency of a tetraarylpyrene derivative, 1,3,6,8-tetrakis(4-hydroxy-2,6-dimethylphenyl)pyrene (TDMPP), was investigated thoroughly in the presence of various surfactant assemblies, such as micelles and vesicles. The confined microheterogeneous environments can significantly retard the extent of the excited-state proton-transfer process, resulting in a distinguishable optical signal compared to that in the bulk medium. Physical characteristics of the surfactant assemblies, such as order, interfacial hydration, and surface charge, influence the proton transfer process and allow multiparametric sensing. A higher degree of interfacial hydration facilitates the proton-transfer process, while the positively charged head groups of the surfactants specifically stabilize the anionic form of the probe (TDMPP-O*). Furthermore, Forster energy transfer from the probe to riboflavin was studied in a phospholipid membrane, wherein the relative ratio of the neutral versus anionic forms (TDMPP-OH/TDMPP-O*) was found to influence the extent of energy transfer. Overall, we demonstrate how an ultrafast photophysical process, that is, the excited-state proton transfer, can be influenced by the microenvironment.
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Affiliation(s)
- Nilanjan Dey
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Dipen Biswakarma
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Alankriti Bajpai
- Department of Chemistry, Indian Institute of Technology Kalyanpur, Kanpur, Uttar Pradesh, 208016
| | - Jarugu Narasimha Moorthy
- Department of Chemistry, Indian Institute of Technology Kalyanpur, Kanpur, Uttar Pradesh, 208016
| | - Santanu Bhattacharya
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, 560012, India.,Current Address: Director's Research Unit, Indian Association for Cultivation of Science, Kolkata, 700032, India
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97
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Goujon A, Colom A, Straková K, Mercier V, Mahecic D, Manley S, Sakai N, Roux A, Matile S. Mechanosensitive Fluorescent Probes to Image Membrane Tension in Mitochondria, Endoplasmic Reticulum, and Lysosomes. J Am Chem Soc 2019; 141:3380-3384. [PMID: 30744381 DOI: 10.1021/jacs.8b13189] [Citation(s) in RCA: 145] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Measuring forces inside cells is particularly challenging. With the development of quantitative microscopy, fluorophores which allow the measurement of forces became highly desirable. We have previously introduced a mechanosensitive flipper probe, which responds to the change of plasma membrane tension by changing its fluorescence lifetime and thus allows tension imaging by FLIM. Herein, we describe the design, synthesis, and evaluation of flipper probes that selectively label intracellular organelles, i.e., lysosomes, mitochondria, and the endoplasmic reticulum. The probes respond uniformly to osmotic shocks applied extracellularly, thus confirming sensitivity toward changes in membrane tension. At rest, different lifetimes found for different organelles relate to known differences in membrane organization rather than membrane tension and allow colabeling in the same cells. At the organelle scale, lifetime heterogeneity provides unprecedented insights on ER tubules and sheets, and nuclear membranes. Examples on endosomal trafficking or increase of tension at mitochondrial constriction sites outline the potential of intracellularly targeted fluorescent tension probes to address essential questions that were previously beyond reach.
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Affiliation(s)
- Antoine Goujon
- School of Chemistry and Biochemistry and ‡National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , CH-1211 Geneva , Switzerland
| | - Adai Colom
- School of Chemistry and Biochemistry and ‡National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , CH-1211 Geneva , Switzerland
| | - Karolína Straková
- School of Chemistry and Biochemistry and ‡National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , CH-1211 Geneva , Switzerland
| | - Vincent Mercier
- School of Chemistry and Biochemistry and ‡National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , CH-1211 Geneva , Switzerland
| | | | | | - Naomi Sakai
- School of Chemistry and Biochemistry and ‡National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , CH-1211 Geneva , Switzerland
| | - Aurélien Roux
- School of Chemistry and Biochemistry and ‡National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , CH-1211 Geneva , Switzerland
| | - Stefan Matile
- School of Chemistry and Biochemistry and ‡National Centre of Competence in Research (NCCR) Chemical Biology , University of Geneva , CH-1211 Geneva , Switzerland
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98
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Collot M, Boutant E, Lehmann M, Klymchenko AS. BODIPY with Tuned Amphiphilicity as a Fluorogenic Plasma Membrane Probe. Bioconjug Chem 2019; 30:192-199. [PMID: 30562000 DOI: 10.1021/acs.bioconjchem.8b00828] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Staining of the plasma membrane (PM) is essential in bioimaging, as it delimits the cell surface and provides various information regarding the cell morphology and status. Herein, the lipophilicity of a green emitting BODIPY fluorophore was tuned by gradual functionalization with anchors composed of zwitterionic and aliphatic groups, thus yielding three different amphiphilic dyes. We found that BODIPY bearing one or three anchors failed in efficiently staining the PM: the derivative with one anchor showed low affinity to PM and exhibited strong fluorescence in water due to high solubility, whereas BODIPY with three anchors aggregated strongly in media and precipitated before binding to the PM. In sharp contrast, the BODIPY bearing two anchors (B-2AZ, MemBright-488) formed virtually nonfluorescent soluble aggregates in aqueous medium that quickly deaggregated in the presence of PM, leading to a bright soluble molecular form (quantum yield of 0.92). This fluorogenic response allowed for efficient probing of the PM at low concentration (20 nM) with high signal to background ratio images in mono- as well as two-photon excitation microscopy. B-2AZ proved to selectively stain the PM in a more homogeneous manner than the commercially available fluorescently labeled lectin WGA. Finally, it was successfully used in 3D-imaging to reveal fine intercellular tunneling nanotubes in KB cells and to stain the PM in glioblastoma cells in spheroids.
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Affiliation(s)
- Mayeul Collot
- Laboratoire de Biophotonique et Pathologies, UMR 7021 CNRS, Université de Strasbourg, Faculté de Pharmacie, 74, Route du Rhin , 67401 ILLKIRCH Cedex, France
| | - Emmanuel Boutant
- Laboratoire de Biophotonique et Pathologies, UMR 7021 CNRS, Université de Strasbourg, Faculté de Pharmacie, 74, Route du Rhin , 67401 ILLKIRCH Cedex, France
| | - Maxime Lehmann
- Laboratoire de Biophotonique et Pathologies, UMR 7021 CNRS, Université de Strasbourg, Faculté de Pharmacie, 74, Route du Rhin , 67401 ILLKIRCH Cedex, France
| | - Andrey S Klymchenko
- Laboratoire de Biophotonique et Pathologies, UMR 7021 CNRS, Université de Strasbourg, Faculté de Pharmacie, 74, Route du Rhin , 67401 ILLKIRCH Cedex, France
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99
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Fang X, Zheng Y, Duan Y, Liu Y, Zhong W. Recent Advances in Design of Fluorescence-Based Assays for High-Throughput Screening. Anal Chem 2019; 91:482-504. [PMID: 30481456 PMCID: PMC7262998 DOI: 10.1021/acs.analchem.8b05303] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Xiaoni Fang
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Yongzan Zheng
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Yaokai Duan
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Yang Liu
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92521, United States
| | - Wenwan Zhong
- Department of Chemistry, University of California, Riverside, California 92521, United States
- Environmental Toxicology Graduate Program, University of California, Riverside, California 92521, United States
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100
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Zhu K, Lv T, Qin T, Huang Y, Wang L, Liu B. A flavonoid-based fluorescent probe enables the accurate quantification of human serum albumin by minimizing the interference from blood lipids. Chem Commun (Camb) 2019; 55:13983-13986. [DOI: 10.1039/c9cc08015e] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We herein provide a simple design strategy to improve the sensing specificity towards human serum albumin by incorporating a nitrobenzene quencher into a traditional polarity-sensitive probe in responding to the interference from blood lipids.
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Affiliation(s)
- Kangning Zhu
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen
- P. R. China
| | - Taoyuze Lv
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen
- P. R. China
| | - Tianyi Qin
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen
- P. R. China
| | - Yingying Huang
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen
- P. R. China
| | - Lei Wang
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen
- P. R. China
| | - Bin Liu
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen
- P. R. China
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