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Lu Y, Zhang Y, Wu X, Pu R, Yan C, Liu W, Liu X, Guo Z, Zhu WH. A de novo zwitterionic strategy of ultra-stable chemiluminescent probes: highly selective sensing of singlet oxygen in FDA-approved phototherapy. Chem Sci 2024; 15:12431-12441. [PMID: 39118631 PMCID: PMC11304548 DOI: 10.1039/d4sc01915f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Accepted: 06/10/2024] [Indexed: 08/10/2024] Open
Abstract
Singlet oxygen (1O2), as a fundamental hallmark in photodynamic therapy (PDT), enables ground-breaking clinical treatment in ablating tumors and killing germs. However, accurate in vivo monitoring of 1O2 remains a significant challenge in probe design, with primary difficulties arising from inherent photo-induced side reactions with poor selectivity. Herein, we report a generalizable zwitterionic strategy for ultra-stable near-infrared (NIR) chemiluminescent probes that ensure a highly specific [2 + 2] cycloaddition between fragile electron-rich enolether units and 1O2 in both cellular and dynamic in vivo domains. Innovatively, zwitterionic chemiluminescence (CL) probes undergo a conversion into an inert ketone excited state with an extremely short lifetime through conical intersection (CI), thereby affording sufficient photostability and suppressing undesired photoreactions. Remarkably, compared with the well-known commercial 1O2 probe SOSG, the zwitterionic probe QMI exhibited an ultra-high signal-to-noise ratio (SNR, over 40-fold). Of particular significance is that the zwitterionic CL probes demonstrate excellent selectivity, high sensitivity, and outstanding photostability, thereby making a breakthrough in real-time tracking of the FDA-approved 5-ALA-mediated in vivo PDT process in living mice. This innovative zwitterionic strategy paves a new pathway for high-performance NIR chemiluminescent probes and high-fidelity feedback on 1O2 for future biological and medical applications.
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Affiliation(s)
- Yao Lu
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Yutao Zhang
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Xia Wu
- Fluorescence Research Group, Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Ruihua Pu
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Chenxu Yan
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Weimin Liu
- School of Physical Science and Technology, ShanghaiTech University Shanghai 201210 China
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design 8 Somapah Road Singapore 487372 Singapore
| | - Zhiqian Guo
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
| | - Wei-Hong Zhu
- Key Laboratory for Advanced Materials, Institute of Fine Chemicals, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 China
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2
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Sato K, Hirayama Y, Mizutani A, Yao J, Higashino J, Kamitaka Y, Muranaka Y, Yamazaki K, Nishii R, Kobayashi M, Kawai K. Potential Application of the Myocardial Scintigraphy Agent [ 123I]BMIPP in Colon Cancer Cell Imaging. Int J Mol Sci 2024; 25:7747. [PMID: 39062992 PMCID: PMC11277422 DOI: 10.3390/ijms25147747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2024] [Revised: 07/10/2024] [Accepted: 07/12/2024] [Indexed: 07/28/2024] Open
Abstract
[123I]β-methyl-p-iodophenyl-pentadecanoic acid ([123I]BMIPP), which is used for nuclear medicine imaging of myocardial fatty acid metabolism, accumulates in cancer cells. However, the mechanism of accumulation remains unknown. Therefore, this study aimed to elucidate the accumulation and accumulation mechanism of [123I]BMIPP in cancer cells. We compared the accumulation of [123I]BMIPP in cancer cells with that of [18F]FDG and found that [123I]BMIPP was a much higher accumulation than [18F]FDG. The accumulation of [123I]BMIPP was evaluated in the presence of sulfosuccinimidyl oleate (SSO), a CD36 inhibitor, and lipofermata, a fatty acid transport protein (FATP) inhibitor, under low-temperature conditions and in the presence of etomoxir, a carnitine palmitoyl transferase I (CPT1) inhibitor. The results showed that [123I]BMIPP accumulation was decreased in the presence of SSO and lipofermata in H441, LS180, and DLD-1 cells, suggesting that FATPs and CD36 are involved in [123I]BMIPP uptake in cancer cells. [123I]BMIPP accumulation in all cancer cell lines was significantly decreased at 4 °C compared to that at 37 °C and increased in the presence of etomoxir in all cancer cell lines, suggesting that the accumulation of [123I]BMIPP in cancer cells is metabolically dependent. In a biological distribution study conducted using tumor-bearing mice transplanted with LS180 cells, [123I]BMIPP highly accumulated in not only LS180 cells but also normal tissues and organs (including blood and muscle). The tumor-to-intestine or large intestine ratios of [123I]BMIPP were similar to those of [18F]FDG, and the tumor-to-large-intestine ratios exceeded 1.0 during 30 min after [123I]BMIPP administration in the in vivo study. [123I]BMIPP is taken up by cancer cells via CD36 and FATP and incorporated into mitochondria via CPT1. Therefore, [123I]BMIPP may be useful for imaging cancers with activated fatty acid metabolism, such as colon cancer. However, the development of novel imaging radiotracers based on the chemical structure analog of [123I]BMIPP is needed.
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Affiliation(s)
- Kakeru Sato
- Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (K.S.); (Y.H.); (J.Y.); (J.H.); (Y.K.)
- Radiological Center, University of Fukui Hospital, 23-3 Matsuokashimoaizuki, Eiheiji, Fukui 910-1193, Japan
| | - Yuka Hirayama
- Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (K.S.); (Y.H.); (J.Y.); (J.H.); (Y.K.)
| | - Asuka Mizutani
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (A.M.); (K.K.)
| | - Jianwei Yao
- Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (K.S.); (Y.H.); (J.Y.); (J.H.); (Y.K.)
| | - Jinya Higashino
- Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (K.S.); (Y.H.); (J.Y.); (J.H.); (Y.K.)
| | - Yuto Kamitaka
- Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (K.S.); (Y.H.); (J.Y.); (J.H.); (Y.K.)
- Research Team for Neuroimaging, Tokyo Metropolitan Institute for Geriatrics and Gerontology, 35-2 Sakae-cho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Yuka Muranaka
- Department of Radiological Technology, Faculty of Health Science, Juntendo University, 2-1-1 Hongo, Bunkyo-ku, Tokyo 113-8421, Japan;
| | - Kana Yamazaki
- Department of Molecular Imaging and Theranostics, Institute for Quantum Medical Science, National Institutes for Quantum Science and Technology, 4-9-1 Anagawa, Inage-ku, Chiba 263-8555, Japan;
| | - Ryuichi Nishii
- Department of Integrated Health Sciences, Graduate School of Medicine, Nagoya University, 1-1-20 Daiko Minami, Higashi-ku, Nagoya 461-8673, Japan;
| | - Masato Kobayashi
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (A.M.); (K.K.)
| | - Keiichi Kawai
- Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, 5-11-80 Kodatsuno, Kanazawa 920-0942, Japan; (A.M.); (K.K.)
- Biomedical Imaging Research Center, University of Fukui, 23-3 Matsuokashimoaizuki, Eiheiji, Fukui 910-1193, Japan
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Palanisamy J, Rajagopal R, Alfarhan A. A Pyrazine-Based Chromophore Photophysical Properties and its Detection for Hydrazine and Acid Vapors. J Fluoresc 2024:10.1007/s10895-024-03825-3. [PMID: 38951307 DOI: 10.1007/s10895-024-03825-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2024] [Accepted: 06/24/2024] [Indexed: 07/03/2024]
Abstract
Designed and synthesized linear pyrazine-based D-π-A-π-A probe is investigated to study the colorimetric and emission properties with different polarity index solvents. Their molar extinction coefficients were estimated for each solvent. This TLP probe was investigated in THF/water binary solution aggregates, and a redshifted AIE was observed reaching a water fraction of 70%. Also, this TLP probe was applied to the multifunctional, rapid, sensitive and selective detection of acid-base (TFA/TEA) and hydrazine (N2H4) in colorimetric and fluorimetric sensors. The pyrazine unit probe demonstrated an acidochromic effect and explored the acid-sensing behavior. The TLP probe containing malononitrile functional groups has extensively detected hazardous hydrazine species due to nucleophilic attack of hydrazine at the α-position of dicyano. This TLP probe allowed the quick and fast-sensitive detection of hydrazine hydride with a low detection limit of 1.08 nM. According to the results, the mechanism was confirmed by UV-Vis, PL, NMR and MS spectra for the detection of hydrazine, and further evidence of the protonation-deprotonation process in added TFA/TEA was made by titration studies by 1H NMR. Therefore, this work can be used for test strip kits for multifunction applications.
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Affiliation(s)
- Jayasudha Palanisamy
- Department of Chemistry, Subramanya College of Arts and Science, Palani, Tamilnadu, 624618, India.
| | - Rajakrishnan Rajagopal
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Ahmed Alfarhan
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
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4
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Wang Y, Song Y, Xu L, Zhou W, Wang W, Jin Q, Xie Y, Zhang J, Liu J, Wu W, Li H, Liang L, Wang J, Yang Y, Chen X, Ge S, Gao T, Zhang L, Xie M. A Membrane-Targeting Aggregation-Induced Emission Probe for Monitoring Lipid Droplet Dynamics in Ischemia/Reperfusion-Induced Cardiomyocyte Ferroptosis. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309907. [PMID: 38696589 PMCID: PMC11234465 DOI: 10.1002/advs.202309907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 04/01/2024] [Indexed: 05/04/2024]
Abstract
Myocardial ischemia/reperfusion injury (MIRI) is the leading cause of irreversible myocardial damage. A pivotal pathogenic factor is ischemia/reperfusion (I/R)-induced cardiomyocyte ferroptosis, marked by iron overload and lipid peroxidation. However, the impact of lipid droplet (LD) changes on I/R-induced cardiomyocyte ferroptosis is unclear. In this study, an aggregation-induced emission probe, TPABTBP is developed that is used for imaging dynamic changes in LD during myocardial I/R-induced ferroptosis. TPABTBP exhibits excellent LD-specificity, superior capability for monitoring lipophagy, and remarkable photostability. Molecular dynamics (MD) simulation and super-resolution fluorescence imaging demonstrate that the TPABTBP is specifically localized to the phospholipid monolayer membrane of LDs. Imaging LDs in cardiomyocytes and myocardial tissue in model mice with MIRI reveals that the LD accumulation level increase in the early reperfusion stage (0-9 h) but decrease in the late reperfusion stage (>24 h) via lipophagy. The inhibition of LD breakdown significantly reduces the lipid peroxidation level in cardiomyocytes. Furthermore, it is demonstrated that chloroquine (CQ), an FDA-approved autophagy modulator, can inhibit ferroptosis, thereby attenuating MIRI in mice. This study describes the dynamic changes in LD during myocardial ischemia injury and suggests a potential therapeutic target for early MIRI intervention.
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5
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Ordóñez-Hernández J, Ceballos-Ávila D, Real FH, Tovar-Y-Romo LB, Jiménez-Sánchez A. Exploring mitochondrial targeting: an innovative fluorescent probe reveals Nernstian potential and partitioning combination. Chem Commun (Camb) 2024; 60:5062-5065. [PMID: 38634835 DOI: 10.1039/d4cc01144a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
This study introduces a paradigm-shifting approach to optimize mitochondrial targeting. Employing a new fluorescent probe strategy, we unravel a combined influence of both Nernst potential (Ψ) and partitioning (P) contributions. Through the synthesis of new benz[e]indolinium-derived probes, our findings redefine the landscape of mitochondrial localization by optimizing the efficacy of mitochondrial probe retention in primary cortical neurons undergoing normoxia and oxygen-glucose deprivation. This methodology not only advances our understanding of subcellular dynamics, but also holds promise for transformative applications in biomedical research and therapeutic development.
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Affiliation(s)
- Javier Ordóñez-Hernández
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito Exterior s/n. Coyoacán, 04510, Ciudad de Mexico, Mexico.
| | - Daniela Ceballos-Ávila
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito Exterior s/n. Coyoacán, 04510, Ciudad de Mexico, Mexico.
| | - Fernando H Real
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito Exterior s/n. Coyoacán, 04510, Ciudad de Mexico, Mexico
| | - Luis B Tovar-Y-Romo
- Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito Exterior s/n. Coyoacán, 04510, Ciudad de Mexico, Mexico
| | - Arturo Jiménez-Sánchez
- Instituto de Química, Universidad Nacional Autónoma de México, Ciudad Universitaria, Circuito Exterior s/n. Coyoacán, 04510, Ciudad de Mexico, Mexico.
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6
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Tanaka T, Matsumoto A, Klymchenko AS, Tsurumaki E, Ikenouchi J, Konishi G. Fluorescent Solvatochromic Probes for Long-Term Imaging of Lipid Order in Living Cells. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309721. [PMID: 38468355 PMCID: PMC11077641 DOI: 10.1002/advs.202309721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/28/2024] [Indexed: 03/13/2024]
Abstract
High-resolution spatio-temporal monitoring of the cell membrane lipid order provides visual insights into the complex and sophisticated systems that control cellular physiological functions. Solvatochromic fluorescent probes are highly promising noninvasive visualization tools for identifying the ordering of the microenvironment of plasma membrane microdomains. However, conventional probes, although capable of structural analysis, lack the necessary long-term photostability required for live imaging at the cellular level. Here, an ultra-high-light-resistant solvatochromic fluorescence probe, 2-N,N-diethylamino-7-(4-methoxycarbonylphenyl)-9,9-dimethylfluorene (FπCM) is reported, which enables live lipid order imaging of cell division. This probe and its derivatives exhibit sufficient fluorescence wavelengths, brightness, polarity responsiveness, low phototoxicity, and remarkable photostability under physiological conditions compared to conventional solvatochromic probes. Therefore, these probes have the potential to overcome the limitations of fluorescence microscopy, particularly those associated with photobleaching. FπCM probes can serve as valuable tools for elucidating mechanisms of cellular processes at the bio-membrane level.
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Affiliation(s)
- Takuya Tanaka
- Department of Chemical Science and EngineeringTokyo Institute of TechnologyTokyo152‐8552Japan
| | - Atsushi Matsumoto
- Department of BiologyFaculty of SciencesKyushu UniversityFukuoka819‐0395Japan
| | - Andery S. Klymchenko
- Laboratoire de Bioimagerie et PathologiesUMR 7021 CNRSUniversité de Strasbourg74 route du RhinIllkirch67401France
| | - Eiji Tsurumaki
- Department of ChemistryTokyo Institute of TechnologyTokyo152‐8552Japan
| | - Junichi Ikenouchi
- Department of BiologyFaculty of SciencesKyushu UniversityFukuoka819‐0395Japan
| | - Gen‐ichi Konishi
- Department of Chemical Science and EngineeringTokyo Institute of TechnologyTokyo152‐8552Japan
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7
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Sarkar S, Chakraborty G, Pal H. Surfactant-based supramolecular dye assembly: A highly selective and economically viable platform for quantification of heparin antidote. Colloids Surf B Biointerfaces 2024; 237:113839. [PMID: 38492411 DOI: 10.1016/j.colsurfb.2024.113839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/23/2024] [Accepted: 03/09/2024] [Indexed: 03/18/2024]
Abstract
Herein, we have employed a supramolecular assembly of a cationic dye, LDS-698 and a common surfactant sodium dodecyl sulfate (SDS) as a turn-on fluorescent sensor for protamine (Pr) detection. Addition of cationic Pr to the solution of dye-surfactant complex brings negatively charged SDS molecules together through strong electrostatic interaction, assisting aggregation of SDS way before its critical micellar concentration (CMC). These aggregates encapsulate the dye molecules within their hydrophobic region, arresting non-radiative decay channels of the excited dye. Thus, the LDS-698•SDS assembly displays substantial enhancement in fluorescence intensity that follows a nice linear trend with Pr concentration, providing limit of detection (LOD) for Pr as low as 3.84(±0.11) nM in buffer, 124.4(±6.7) nM in 1% human serum and 28.3(±0.5) nM in 100% human urine. Furthermore, high selectivity, low background signal, large stokes shift, and emission in the biologically favorable deep-red region make the studied assembly a promising platform for Pr sensing. As of our knowledge it is the first ever Pr sensory platform, using a very common surfactant (SDS), which is economically affordable and very easily available in the market. This innovative approach can replace the expensive, exotic and specialized chemicals considered for the purpose and thus showcase its potential in practical applications.
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Affiliation(s)
- Soumyadeep Sarkar
- Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Mumbai 400085, India; Indian Institute of Science Education and Research, Campus Road, Mohanpur, Nadia, Kolkata, West Bengal 741246, India
| | - Goutam Chakraborty
- Laser and Plasma Technology Division, Bhabha Atomic Research Centre, Mumbai 400085, India.
| | - Haridas Pal
- Chemistry Group, Bhabha Atomic Research Centre, Mumbai 400085, India; Homi Bhabha National Institute, Anushaktinagar, Mumbai 400094, India.
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8
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Wang BL, Zeng P, Jiang C, Chen Y, Qu J, Song J. Aromatic Alcohol-Based pH-Sensitive Chromophore with a Unique Near-Infrared Dual-Band Solvatochromic Property and Its Application as a Ratiometric Fluorescent Sensor for G-Quadruplexes. Anal Chem 2024; 96:6186-6194. [PMID: 38594223 DOI: 10.1021/acs.analchem.3c05104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Solvatochromes have gained great attention because of their unique roles in monitoring biomolecular location, interaction, and dynamics. Particularly, solvatochromes presenting both red-shifting excitation and dual-band switchable emission are in great demand yet significantly difficult to come true. In this article, we disclose an aromatic alcohol-based pH-sensitive chromophore NIR-HBT that not only presents red-shifting excitation and solvent-dependent dual-band emission but also shows high photostability and excellent brightness. To the best of our knowledge, this is the first solvatochrome to simultaneously display these optical properties. Especially, in contrast to the reported dual-band solvatochromes whose solvatochromism is achieved by affecting their excited state behaviors, the solvatochromism of NIR-HBT is realized by modulating its ground state proton dissociation, which is a new solvatochromic mechanism that has not been reported. Furthermore, based on the dual-band solvatochromism of NIR-HBT and its intrinsic binding ability to GQs, near-infrared ratiometric detection of GQs is achieved. These results indicate that NIR-HBT is an attractive solvatochrome that can be used to develop near-infrared ratiometric biosensors for biological research. More broadly, the discovered solvatochromic mechanism can also open new horizons for exploring the solvatochrome.
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Affiliation(s)
- Bo-Lin Wang
- State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University); College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, P. R. China
| | - Pengju Zeng
- State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University); College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, P. R. China
| | - Chuang Jiang
- College of Chemistry, Sichuan University, No. 29 Wangjiang Road, Chengdu 610064, China
| | - Yu Chen
- State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University); College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, P. R. China
- Medical Engineering and Technology College, Xinjiang Medical University, Urumqi 830011, P. R. China
| | - Junle Qu
- State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University); College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, P. R. China
- Medical Engineering and Technology College, Xinjiang Medical University, Urumqi 830011, P. R. China
| | - Jun Song
- State Key Laboratory of Radio Frequency Heterogeneous Integration (Shenzhen University); College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, P. R. China
- Medical Engineering and Technology College, Xinjiang Medical University, Urumqi 830011, P. R. China
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Tang H, Liu Z, Han G, Geng J, Liu B, Zhang R, Zhang Z. Unexpected omega-3 activities in intracellular lipolysis and macrophage foaming revealed by fluorescence lifetime imaging. Proc Natl Acad Sci U S A 2024; 121:e2321255121. [PMID: 38564632 PMCID: PMC11009650 DOI: 10.1073/pnas.2321255121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 03/08/2024] [Indexed: 04/04/2024] Open
Abstract
Omega-3 polyunsaturated fatty acids (PUFA) found primarily in fish oil have been a popular supplement for cardiovascular health because they can substantially reduce circulating triglyceride levels in the bloodstream to prevent atherosclerosis. Beyond this established extracellular activity, here, we report a mode of action of PUFA, regulating intracellular triglyceride metabolism and lipid droplet (LD) dynamics. Real-time imaging of the subtle and highly dynamic changes of intracellular lipid metabolism was enabled by a fluorescence lifetime probe that addressed the limitations of intensity-based fluorescence quantifications. Surprisingly, we found that among omega-3 PUFA, only docosahexaenoic acid (DHA) promoted the lipolysis in LDs and reduced the overall fat content by approximately 50%, and consequently helped suppress macrophage differentiation into foam cells, one of the early steps responsible for atherosclerosis. Eicosapentaenoic acid, another omega-3 FA in fish oil, however, counteracted the beneficial effects of DHA on lipolysis promotion and cell foaming prevention. These in vitro findings warrant future validation in vivo.
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Affiliation(s)
- Hesen Tang
- Institute of Physical Science and Information Technology, School of Chemistry and Chemical Engineering, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui230601, China
| | - Zhengjie Liu
- Institute of Physical Science and Information Technology, School of Chemistry and Chemical Engineering, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui230601, China
| | - Guangmei Han
- Institute of Physical Science and Information Technology, School of Chemistry and Chemical Engineering, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui230601, China
| | - Junlong Geng
- Institute of Physical Science and Information Technology, School of Chemistry and Chemical Engineering, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui230601, China
| | - Bianhua Liu
- Institute of Solid State Physics, Academy of Chinese Sciences, Hefei, Anhui230031, China
| | - Ruilong Zhang
- Institute of Physical Science and Information Technology, School of Chemistry and Chemical Engineering, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui230601, China
| | - Zhongping Zhang
- Institute of Physical Science and Information Technology, School of Chemistry and Chemical Engineering, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of Education, Anhui University, Hefei, Anhui230601, China
- Institute of Solid State Physics, Academy of Chinese Sciences, Hefei, Anhui230031, China
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10
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Groß P, Hoffmann RS, Müller M, Schönherr H, Ihmels H. Fluorimetric Cell Analysis with 9-Aryl-Substituted Berberine Derivatives as DNA-Targeting Fluorescent Probes. Chembiochem 2024; 25:e202300761. [PMID: 37934026 DOI: 10.1002/cbic.202300761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/07/2023] [Indexed: 11/08/2023]
Abstract
DNA-sensitive fluorescent light-up probes based on berberine are presented. This biogenic fluorophore was chosen as central unit to use its potential biocompatibility and its DNA-binding properties. To provide predictable fluorescence quenching in aqueous solution and a fluorescence light-up effect upon DNA binding, aryl substituents were attached at the 9-position by Suzuki-Miyaura coupling reactions. The 9-arylberberine derivatives have a very low fluorescence quantum yield (Φfl =<0.02), which is caused by the radiationless deactivation of the excited state by torsional relaxation about the biaryl axis. In addition, these berberine derivatives intercalate into DNA with high affinity (Kb =2.0-22×104 M-1 ). Except for the nitrophenyl- and hydroxyphenyl-substituted derivatives, all tested compounds exhibited a pronounced fluorescence light-up effect upon association with DNA, because the deactivation of the excited-state by torsional relaxation is suppressed in the DNA binding site. Most notably, it was shown exemplarily with the 9-(4-methoxyphenyl)- and the 9-(6-methoxynaphthyl)-substituted derivatives that these properties are suited for fluorimetric cell analysis. In particular, these probes generated distinct staining patterns in eukaryotic cells (NIH 3T3 mouse fibroblasts), which enabled the identification of nuclear substructures, most likely heterochromatin or nucleoli, respectively.
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Affiliation(s)
- Philipp Groß
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Renée S Hoffmann
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Mareike Müller
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Holger Schönherr
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, and Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
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11
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Daus K, Tharamak S, Pluempanupat W, Galie PA, Theodoraki MA, Theodorakis EA, Alpaugh ML. Fluorescent molecular rotors as versatile in situ sensors for protein quantitation. Sci Rep 2023; 13:20529. [PMID: 37993476 PMCID: PMC10665405 DOI: 10.1038/s41598-023-46571-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 11/02/2023] [Indexed: 11/24/2023] Open
Abstract
Accurate protein quantitation is essential for many cellular mechanistic studies. Existing technology relies on extrinsic sample evaluation that requires significant volumes of sample as well as addition of assay-specific reagents and importantly, is a terminal analysis. This study exploits the unique chemical features of a fluorescent molecular rotor that fluctuates between twisted-to-untwisted states, with a subsequent intensity increase in fluorescence depending on environmental conditions (e.g., viscosity). Here we report the development of a rapid, sensitive in situ protein quantitation method using ARCAM-1, a representative fluorescent molecular rotor that can be employed in both non-terminal and terminal assays.
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Affiliation(s)
- Kevin Daus
- Department of Biological and Biomedical Sciences, Rowan University, 201 Mullica Hill Rd, Glassboro, NJ, 08028, USA
| | - Sorachat Tharamak
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093-0358, USA
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Special Research Unit for Advanced Magnetic Resonance, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand
| | - Wanchai Pluempanupat
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Special Research Unit for Advanced Magnetic Resonance, Faculty of Science, Kasetsart University, Bangkok, 10900, Thailand
| | - Peter A Galie
- Department of Biomedical Engineering, Rowan University, Glassboro, NJ, 08028, USA
| | - Maria A Theodoraki
- Department of Biology, Arcadia University, 450 S. Easton Rd, Glenside, PA, 19038, USA
| | - Emmanuel A Theodorakis
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA, 92093-0358, USA.
| | - Mary L Alpaugh
- Department of Biological and Biomedical Sciences, Rowan University, 201 Mullica Hill Rd, Glassboro, NJ, 08028, USA.
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12
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Law SY, Asanuma M, Shou J, Ozeki Y, Kodama Y, Numata K. Deuterium- and Alkyne-Based Bioorthogonal Raman Probes for In Situ Quantitative Metabolic Imaging of Lipids within Plants. JACS AU 2023; 3:1604-1614. [PMID: 37388682 PMCID: PMC10302745 DOI: 10.1021/jacsau.3c00041] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 07/01/2023]
Abstract
Plants can rapidly respond to different stresses by activating multiple signaling and defense pathways. The ability to directly visualize and quantify these pathways in real time using bioorthogonal probes would have practical applications, including characterizing plant responses to both abiotic and biotic stress. Fluorescence-based labels are widely used for tagging of small biomolecules but are relatively bulky and with potential effects on their endogenous localization and metabolism. This work describes the use of deuterium- and alkyne-derived fatty acid Raman probes to visualize and track the real-time response of plants to abiotic stress within the roots. Relative quantification of the respective signals could be used to track their localization and overall real-time responses in their fatty acid pools due to drought and heat stress without labor-intensive isolation procedures. Their overall usability and low toxicity suggest that Raman probes have great untapped potential in the field of plant bioengineering.
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Affiliation(s)
- Simon
Sau Yin Law
- Biomacromolecules
Research Team, RIKEN Center for Sustainable
Resource Science, Wako, Saitama 351-0198, Japan
| | - Masato Asanuma
- Graduate
School of Engineering, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Jingwen Shou
- Graduate
School of Engineering, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Yasuyuki Ozeki
- Graduate
School of Engineering, University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Yutaka Kodama
- Biomacromolecules
Research Team, RIKEN Center for Sustainable
Resource Science, Wako, Saitama 351-0198, Japan
- Center
for Bioscience Research and Education, Utsunomiya
University, Utsunomiya, Tochigi 321-8505, Japan
| | - Keiji Numata
- Biomacromolecules
Research Team, RIKEN Center for Sustainable
Resource Science, Wako, Saitama 351-0198, Japan
- Department
of Material Chemistry, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
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13
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Wang D, Chen Y, Xia T, Claudino M, Melendez A, Ni X, Dong C, Liu Z, Yang J. Citric Acid-Based Intrinsic Band-Shifting Photoluminescent Materials. RESEARCH (WASHINGTON, D.C.) 2023; 6:0152. [PMID: 37256199 PMCID: PMC10226408 DOI: 10.34133/research.0152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 04/27/2023] [Indexed: 06/01/2023]
Abstract
Citric acid, an important metabolite with abundant reactive groups, has been demonstrated as a promising starting material to synthesize diverse photoluminescent materials including small molecules, polymers, and carbon dots. The unique citrate chemistry enables the development of a series of citric acid-based molecules and nanomaterials with intriguing intrinsic band-shifting behavior, where the emission wavelength shifts as the excitation wavelength increases, ideal for chromatic imaging and many other applications. In this review, we discuss the concept of "intrinsic band-shifting photoluminescent materials", introduce the recent advances in citric acid-based intrinsic band-shifting materials, and discuss their potential applications such as chromatic imaging and multimodal sensing. It is our hope that the insightful and forward-thinking discussion in this review will spur the innovation and applications of the unique band-shifting photoluminescent materials.
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Affiliation(s)
- Dingbowen Wang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Yizhu Chen
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Tunan Xia
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Mariana Claudino
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Allison Melendez
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Xingjie Ni
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Cheng Dong
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Zhiwen Liu
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
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14
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Zhang S, Zheng H, Yang L, Li Z, Yu M. NIR Mitochondrial Fluorescent Probe for Visualizing SO 2/Polarity in Drug Induced Inflammatory Mice. Anal Chem 2023; 95:5377-5383. [PMID: 36913654 DOI: 10.1021/acs.analchem.2c05737] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
Abstract
SO2 and polarity are important microenvironmental parameters in cells, which are closely related to physiological activities in organisms. The intracellular levels of SO2 and polarity are abnormal in inflammatory models. To this end, a novel near-infrared fluorescent probe BTHP that can simultaneously detect SO2 and polarity was studied. BTHP can sensitively detect polarity change with emission peak change from 677 to 818 nm. BTHP can also detect SO2 with fluorescence change from red to green. After addition of SO2, the fluorescence emission intensity ratio I517/I768 of the probe increased by about 33.6 times. BTHP can determine bisulfite in single crystal rock sugar with high recovery rate (99.2%-101.7%). Fluorescence imaging of cells showed that BTHP could better target mitochondria and monitor exogenous SO2 in A549 cells. More importantly, BTHP has been successfully used for dual channel monitoring SO2 and polarity in drug-induced inflammatory cells and mice. In particular, the probe showed increased green fluorescence with the generation of SO2 and increased red fluorescence with the decrease of polarity in inflammatory cells and mice.
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Affiliation(s)
- Shen Zhang
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Hongyong Zheng
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, China
| | - Lei Yang
- Shandong Provincial Key Laboratory of Detection Technology for Tumor Markers, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276000, China
| | - Zhanxian Li
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
| | - Mingming Yu
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
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15
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Han C, Zhao X, Huo X, Yu Z, Wang C, Feng L, Cui J, Tian X, Ma X. Rational design of a NIR fluorescent probe for carboxylesterase 1 detection during endoplasmic reticulum stress and drug-induced acute liver injury. Chem Commun (Camb) 2023; 59:1145-1148. [PMID: 36594784 DOI: 10.1039/d2cc04237a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
An endoplasmic reticulum targeting NIR fluorescent probe (ERBM) was developed for real-time monitoring of carboxylesterase 1 (CES1) and exhibited excellent ER location in living cell imaging. In addition, ERBM was applied to illustrate the regulation characteristics of CES1 under ER stress and acute liver injury models at the cell and animal level.
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Affiliation(s)
- Chaoyan Han
- Second Affiliated Hospital, Dalian Medical University, Dalian 116023, China.,College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Xin Zhao
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Xiaokui Huo
- Second Affiliated Hospital, Dalian Medical University, Dalian 116023, China
| | - Zhenlong Yu
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Chao Wang
- College of Pharmacy, Dalian Medical University, Dalian 116044, China
| | - Lei Feng
- Second Affiliated Hospital, Dalian Medical University, Dalian 116023, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.,Key Laboratory of Emergency and Trauma, Ministry of Education, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, China
| | - Jingnan Cui
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China
| | - Xiangge Tian
- Second Affiliated Hospital, Dalian Medical University, Dalian 116023, China
| | - Xiaochi Ma
- Second Affiliated Hospital, Dalian Medical University, Dalian 116023, China.,Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, 221004, China
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16
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Danten Y, Gatti C, Frayret C. Seeking for Optimal Excited States in Photoinduced Electron-Transfer Processes─The Case Study of Brooker's Merocyanine. J Phys Chem A 2022; 126:9577-9593. [PMID: 36534011 DOI: 10.1021/acs.jpca.2c04269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Material design enters an era in which control of electrons in atoms, molecules, and materials is an essential property to be predicted and thoroughly understood in view of discovering new compounds with properties optimized toward specific optical/optoelectronic applications. π-electronic delocalization and charge separation/recombination enter notably into the set of features that are highly desirable to tailor. Diverse domains are particularly relying on photoinduced electron-transfer (PET), including fields of paramount importance such as energy production through light-harvesting, efficient chemoreceptive sensors, or organic field-effect transistors. In view of completing the arsenal of strategies in this area, we selected Brooker's merocyanine─a typical [D-π-A] compound─as the case study and examined from time-dependent density functional theory the opportunity offered by selected excited states to reach a suited manipulation of the charge transfer (CT) extent. In addition to the consideration of diagnostic tools able to spot the charge amount (i.e., magnitude of electron fraction) transferred upon excitation (qCT), the spatial extent associated with such an electronic transition or CT length (DCT), as well as the corresponding variation in dipole moment between the ground and the excited states (μCT), further analysis of the excitation process was undertaken. The advantage of going beyond the above-mentioned molecular indicators─which can be considered as PET global indices─was explored on the basis of a partitioning of the electron density. Relevant insight was gained on the relation these global indices have with the evolution of (local) features characterizing either chemical bond or electron delocalization upon vertical excitations.
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Affiliation(s)
- Yann Danten
- Institut des Sciences Moléculaires, UMR CNRS 5255, Université de Bordeaux, 351 Cours de la Libération, 33405Talence, France
| | - Carlo Gatti
- CNR SCITEC, CNR Istituto di Scienze e Tecnologie Chimiche ''Giulio Natta'', Sede Via C. Golgi, 19, 20133Milano, Italy
| | - Christine Frayret
- Laboratoire de Réactivité et Chimie des Solides (LRCS), UMR CNRS 7314, Université de Picardie Jules Verne, Hub de l'Energie, 15, Rue Baudelocque, 80039Amiens Cedex, France.,Réseau sur le Stockage Electrochimique de l'Energie (RS2E), CNRS FR3459, 15 rue Baudelocque, 80039Amiens Cedex, France
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17
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Li J, Lei D, Ma Z, Zu B, Dou X. A General Twisted Intramolecular Charge Transfer Triggering Strategy by Protonation for Zero-Background Fluorescent Turn-On Sensing. J Phys Chem Lett 2022; 13:10871-10881. [PMID: 36394325 DOI: 10.1021/acs.jpclett.2c02847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The exploration of organic fluorescent sensing materials and mechanisms is of great significance, especially for the deep understanding of twisted intramolecular charge transfer (TICT). Here, the electron-donating ability of a chemically protonated amino group and the corresponding excitation primarily ensure the occurrence of excited-state intramolecular proton transfer. Due to the hybridization of the amino group from sp3 to sp2, the steric hindrance effect and conjugative effect together boost the rotation efficiency of the TICT process and the complete elimination of the background fluorescent signal. Furthermore, a sharp turn-on fluorescent detection of trace nitrite particulate with a diameter of 0.44 μm was realized. In addition, this protonation-induced change in the amino group configuration was verified through around nine categories of compounds. We expect this modulation of the photochemical activity path of the TICT process would greatly facilitate the exploration of novel fluorescent sensing mechanisms.
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Affiliation(s)
- Jiguang Li
- Xinjiang Key Laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Da Lei
- Xinjiang Key Laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Zhiwei Ma
- Xinjiang Key Laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Baiyi Zu
- Xinjiang Key Laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Xincun Dou
- Xinjiang Key Laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
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18
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Zhu X, Feng L, Cao S, Wang J, Niu G. Donor–Acceptor–Acceptor-Conjugated Dual-State Emissive Acrylonitriles: Investigating the Effect of Acceptor Unit Order and Biological Imaging. Org Lett 2022; 24:8305-8309. [DOI: 10.1021/acs.orglett.2c03274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xiaoming Zhu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, P. R. China
- Shenzhen Research Institute of Shandong University, Shenzhen, Guangdong 518057, P. R. China
- Suzhou Research Institute, Shandong University, Suzhou, Shandong 215123, P. R. China
| | - Lu Feng
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, P. R. China
| | - Shixian Cao
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, P. R. China
| | - Jianguo Wang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, Inner Mongolia 010021, P. R. China
| | - Guangle Niu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, Shandong 250100, P. R. China
- Shenzhen Research Institute of Shandong University, Shenzhen, Guangdong 518057, P. R. China
- Suzhou Research Institute, Shandong University, Suzhou, Shandong 215123, P. R. China
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19
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Imaging of lipid droplets using coumarin fluorophores in live cells and C. elegans. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B: BIOLOGY 2022; 237:112589. [DOI: 10.1016/j.jphotobiol.2022.112589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 10/07/2022] [Accepted: 10/25/2022] [Indexed: 11/06/2022]
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