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Hu Y, Long S, Fu H, She Y, Xu Z, Yoon J. Revisiting imidazolium receptors for the recognition of anions: highlighted research during 2010-2019. Chem Soc Rev 2020; 50:589-618. [PMID: 33174897 DOI: 10.1039/d0cs00642d] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Imidazolium based receptors selectively recognize anions, and have received more and more attention. In 2006 and 2010, we reviewed the mechanism and progress of imidazolium salt recognition of anions, respectively. In the past ten years, new developments have emerged in this area, including some new imidazolium motifs and the identification of a wider variety of biological anions. In this review, we discuss the progress of imidazolium receptors for the recognition of anions in the period of 2010-2019 and highlight the trends in this area. We first classify receptors based on motifs, including some newly emerging receptors, as well as new advances in existing receptor types at this stage. Then we discuss separately according to the types of anions, including ATP, GTP, DNA and RNA.
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Affiliation(s)
- Ying Hu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China.
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2
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Lynch DE, Hamilton DG. Microreview: Pyrrol-3-yl squaraines (including indol-3-yl squaraines). J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3173] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Daniel E. Lynch
- Exilica Limited; The Technocentre; Puma Way Coventry CV1 2TT UK
| | - Darren G. Hamilton
- Department of Chemistry; Mount Holyoke College; 50 College St South Hadley Massachusetts 01075 USA
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Wei Y, Hu X, Shen L, Jin B, Liu X, Tan W, Shangguan D. Dicyanomethylene Substituted Benzothiazole Squaraines: The Efficiency of Photodynamic Therapy In Vitro and In Vivo. EBioMedicine 2017; 23:25-33. [PMID: 28811165 PMCID: PMC5605326 DOI: 10.1016/j.ebiom.2017.08.010] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 07/25/2017] [Accepted: 08/07/2017] [Indexed: 02/06/2023] Open
Abstract
The lack of ideal photosensitizers limits the clinicalapplication of photodynamic therapy (PDT). Here we report the PDT efficiency of dicyanomethylene substituted benzothiazole squaraine derivatives. This class of squaraine derivatives possess strong absorption and long excitation and emission wavelengths (ex/em, 685/720 nm). They show negligible dark toxicity, but can generate singlet oxygen under irradiation resulting in the apoptosis and necrosis of cells (phototoxicity). Changing the side chains of these compounds greatly influences their albumin-binding rate, cellular uptake and their phototoxicity. One of the squaraine derivatives with two methyl butyrate side chains shows high PDT efficiency in a mouse subcutaneous xenograft model under the irradiation of a 690 nm laser. These results show the great potential of dicyanomethylene substituted benzothiazole squaraines to be the leading compound of near-infrared photosensitizers in PDT. New squaraines show high photodynamic therapy efficiency in mouse xenograft model under irradiation at 690 nm. Squaraine derivatives show negligible dark toxicity and high phototoxicity. Side chains of squaraines greatly affect their albumin-binding rate, cellular uptake.
Photodynamic therapy is a noninvasive and precisely directed treatment that uses photosensitizer and light. The light causes photosensitizer to react with oxygen, which forms chemicals that kills the diseased cells. The lack of ideal photosensitizers limits the clinicalapplication of photodynamic therapy. In the paper, we report the photodynamic therapy efficiency of dicyanomethylene substituted benzothiazole squaraine derivatives which can be actived by red light. These squaraine derivatives show negligible toxicity in dark, but exhibit strong cytotoxicity under irradiation. One of the squaraine derivatives shows high photodynamic therapy efficiency for cancer in mice.
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Affiliation(s)
- Yongbiao Wei
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Guangxi Medical University, No. 22, Shuangyong Road, Nanning 530021, Guangxi, PR China
| | - Xiaoxiao Hu
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Biology and College of Chemistry and Chemical Engineering, Hunan University Changsha, 410082, China
| | - Luyao Shen
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Bing Jin
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Xiangjun Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Weihong Tan
- Molecular Science and Biomedicine Laboratory, State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Biology and College of Chemistry and Chemical Engineering, Hunan University Changsha, 410082, China; Department of Chemistry, Center for Research at the Bio/Nano Interface, Health Cancer Center, UF Genetics Institute, McKnight Brain Institute, University of Florida Gainesville, FL 32611-7200, USA.
| | - Dihua Shangguan
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Analytical Chemistry for Living Biosystems, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China; University of the Chinese Academy of Sciences, Beijing 100049, China.
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Squaraine dyes: The hierarchical synthesis and its application in optical detection. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2017. [DOI: 10.1016/j.jphotochemrev.2017.03.001] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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6
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Sun W, Guo S, Hu C, Fan J, Peng X. Recent Development of Chemosensors Based on Cyanine Platforms. Chem Rev 2016; 116:7768-817. [DOI: 10.1021/acs.chemrev.6b00001] [Citation(s) in RCA: 657] [Impact Index Per Article: 82.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Wen Sun
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, China
| | - Shigang Guo
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, China
| | - Chong Hu
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, China
| | - Jiangli Fan
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, China
| | - Xiaojun Peng
- State Key Laboratory of Fine
Chemicals, Dalian University of Technology, 2 Linggong Road, 116024 Dalian, China
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Ramya AN, Samanta A, Nisha N, Chang YT, Maiti KK. New insight of squaraine-based biocompatible surface-enhanced Raman scattering nanotag for cancer-cell imaging. Nanomedicine (Lond) 2015; 10:561-71. [DOI: 10.2217/nnm.14.125] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Aim: Development of highly sensitive diagnostic nanoprobe for cancer imaging based on surface-enhanced Raman scattering (SERS) platform. Materials & methods: Synthesis of novel squaraine dyes as a Raman signature molecule denoted as lipoic-squaraine-lipoic (LSL), propyl-squaraine-lipoic (PSL) and propyl-squaraine-propyl (PSP). The SERS-nanotag constructed with a Raman signature molecule which is attached on gold nanoparticle and further encapsulated with heterofunctionalized PEG. Antibody conjugation with best SERS-nanotag for target specific recognition. Results: SERS nanotag Au-LSL-PEG showed significant signal intensity and remarkable stability. Anti-EGF receptor and Her2-conjugated Au-LSL-PEG-nanotag were successfully applied for selective recognition of cancer cells like A549, OSCC and MCF7. Conclusion: The newly developed SERS-nanotag Au-LSL-PEG serves as a valuable tool for diagnostic detection of cancer cells, and may find potential applications for cancer screening in real patient samples.
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Affiliation(s)
- AN Ramya
- CSIR-National Institute for Interdisciplinary Science & Technology, Chemical Science & Technology Division, Organic Chemistry Section, Industrial Estate, Thiruvananthapuram 695019, Kerala, India
| | - Animesh Samanta
- Singapore Bioimaging Consortium, Agency for Science, Technology & Research (A*STAR), Singapore 138667, Singapore
| | - N Nisha
- CSIR-National Institute for Interdisciplinary Science & Technology, Chemical Science & Technology Division, Organic Chemistry Section, Industrial Estate, Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific & Innovative Research, CSIR
| | - Young-Tae Chang
- Singapore Bioimaging Consortium, Agency for Science, Technology & Research (A*STAR), Singapore 138667, Singapore
- Department of Chemistry & MedChem Program of Life Sciences Institute, National University of Singapore, Singapore 117543, Singapore
| | - Kaustabh Kumar Maiti
- CSIR-National Institute for Interdisciplinary Science & Technology, Chemical Science & Technology Division, Organic Chemistry Section, Industrial Estate, Thiruvananthapuram 695019, Kerala, India
- Academy of Scientific & Innovative Research, CSIR
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Jin B, Zhang X, Zheng W, Liu X, Zhou J, Zhang N, Wang F, Shangguan D. Dicyanomethylene-Functionalized Squaraine as a Highly Selective Probe for Parallel G-Quadruplexes. Anal Chem 2014; 86:7063-70. [DOI: 10.1021/ac501619v] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Bing Jin
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Zhang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wei Zheng
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiangjun Liu
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jin Zhou
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Nan Zhang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fuyi Wang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Dihua Shangguan
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Analytical
Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
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9
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Wu N, Lan J, Yan L, You J. A sensitive colorimetric and fluorescent sensor based on imidazolium-functionalized squaraines for the detection of GTP and alkaline phosphatase in aqueous solution. Chem Commun (Camb) 2014; 50:4438-41. [PMID: 24643794 DOI: 10.1039/c4cc00752b] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Imidazolium-functionalized squaraine ImSQ8 is synthesized as a sensitive colorimetric and fluorescent chemosensor for GTP in aqueous solution. The detection limit of GTP reaches 5.4 ppb. Its applications in the live-cell imaging and enzyme activity assay have also been demonstrated.
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Affiliation(s)
- Ningjie Wu
- Key Laboratory of Green Chemistry, Technology of Ministry of Education, College of Chemistry, State Key Laboratory of Biotherapy, West China Medical School, Sichuan University, 29 Wangjiang Road, Chengdu 610064, PR China.
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Highly Emissive Luminogens Based on Imidazo[1,2-a]pyridine for Electroluminescent Applications. Chem Asian J 2013; 9:294-304. [DOI: 10.1002/asia.201301061] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Revised: 09/11/2013] [Indexed: 11/07/2022]
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Zhang Y, Yue X, Kim B, Yao S, Bondar MV, Belfield KD. Bovine serum albumin nanoparticles with fluorogenic near-IR-emitting squaraine dyes. ACS APPLIED MATERIALS & INTERFACES 2013; 5:8710-7. [PMID: 23992402 PMCID: PMC3820157 DOI: 10.1021/am402361w] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Two squaraine (SQ) dyes, N-propanesulfonate-benzothiazolium squaraine (SQ-1) and N-propanesulfonate-benzoindolium squaraine (SQ-2), were synthesized with sulfonate groups to increase water solubility. Both dyes are almost nonfluorescent in aqueous solution with fluorescent quantum yields of 0.03, but exhibited fluorescence enhancement after noncovalently binding with bovine serum albumin (BSA). Upon addition of BSA, the fluorescence intensity increased by ca. a factor of 10, along with a 10-fold extension in the fluorescence lifetime. SQ-1 and SQ-2 interacted with BSA efficiently and appeared to show a preference for binding at site II, which involves combinational effects of electrostatic and hydrophobic interactions. The fluorogenic squaraine dyes were then used to label BSA, forming BSA-based nanoparticles (NPs) through noncovalent binding. The resulting BSA-SQ NPs exhibited enhanced near-IR fluorescence and reduced aggregation of the squaraine moiety. The BSA-SQ NPs were used for cell incubation and bioimaging studies. Confocal fluorescent images were obtained for HCT 116 cells incubated with the BSA-SQ NPs and LysoSensor Green, demonstrating the utility of the NP probes for intracellular imaging. This strategy ovecomes the generally low fluorescence emission of SQ dyes in water and aggregation-reduced fluorescence, providing a versatile strategy for sensing and imaging in biological environments.
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Affiliation(s)
- Yuanwei Zhang
- Department of Chemistry, University of Central Florida, P.O. Box 162366, Orlando, FL, 32816-2366, USA
| | - Xiling Yue
- Department of Chemistry, University of Central Florida, P.O. Box 162366, Orlando, FL, 32816-2366, USA
| | - Bosung Kim
- Department of Chemistry, University of Central Florida, P.O. Box 162366, Orlando, FL, 32816-2366, USA
| | - Sheng Yao
- Department of Chemistry, University of Central Florida, P.O. Box 162366, Orlando, FL, 32816-2366, USA
| | | | - Kevin D. Belfield
- Department of Chemistry, University of Central Florida, P.O. Box 162366, Orlando, FL, 32816-2366, USA
- CREOL, The College of Optics and Photonics, University of Central Florida, P.O. Box 162366, Orlando, FL, 32816-2366, USA
- Corresponding Author:
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Belfield KD, Bondar MV, Haniff HS, Mikhailov IA, Luchita G, Przhonska OV. Superfluorescent Squaraine with Efficient Two-Photon Absorption and High Photostability. Chemphyschem 2013; 14:3532-42. [DOI: 10.1002/cphc.201300447] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 07/30/2013] [Indexed: 11/09/2022]
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Zhang Y, Kim B, Yao S, Bondar MV, Belfield KD. Controlled aggregation and enhanced two-photon absorption of a water-soluble squaraine dye with a poly(acrylic acid) template. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:11005-12. [PMID: 23947941 DOI: 10.1021/la4023129] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Controlling the aggregation behavior of organic dyes is important for understanding and exploring supramolecular assembly utilizing the specific characteristics of aggregation. Regulating J-aggregation by electrostatic interactions between anionic polyelectrolytes and cationic dyes has gained growing interest. Here, we report the formation of J-aggregates of a water-soluble cationic squaraine dye, 4-(pyridinium-1-yl)butylbenzothiazolium squaraine (SQ), using poly(acrylic acid) sodium salt (PAA-Na) as a template. Electrostatic interactions between the PAA-Na polyelectrolyte and the cationic SQ dye enhanced J-aggregation; the absorbance of the resulting J-band with the polyelectrolyte template was much sharper than the absorbance of the J-aggregate formed using a high concentration of NaCl. Significantly, removal of the polyelectrolyte PPA-Na template by the introduction of calcium ions, which can form stronger ionic binding with carboxylate groups, dissociated J-aggregates, freeing the SQ molecules back to unaggregated or lower aggregate forms. To demonstrate the reversibility of the J-aggregate formation cycle, an in situ experiment was conducted that showed 60% reversibility of the second cycle. In addition, an enhancement by ca. 23 times per repeat unit of the two-photon absorption (2PA) cross section was observed at 920 nm for the polyelectrolyte template-SQ J-aggregate compared to unaggregated or lower aggregate SQ. These results suggest a prominent role of polyelectrolyte templated SQ J-aggregation in the enhancement of 2PA efficiency and provide a means of modulating supramolecular assembly.
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Affiliation(s)
- Yuanwei Zhang
- Department of Chemistry, The College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA
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Zhang L, Peng XM, Damu GLV, Geng RX, Zhou CH. Comprehensive review in current developments of imidazole-based medicinal chemistry. Med Res Rev 2013; 34:340-437. [PMID: 23740514 DOI: 10.1002/med.21290] [Citation(s) in RCA: 482] [Impact Index Per Article: 43.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Imidazole ring is an important five-membered aromatic heterocycle widely present in natural products and synthetic molecules. The unique structural feature of imidazole ring with desirable electron-rich characteristic is beneficial for imidazole derivatives to readily bind with a variety of enzymes and receptors in biological systems through diverse weak interactions, thereby exhibiting broad bioactivities. The related research and developments of imidazole-based medicinal chemistry have become a rapidly developing and increasingly active topic. Particularly, numerous imidazole-based compounds as clinical drugs have been extensively used in the clinic to treat various types of diseases with high therapeutic potency, which have shown the enormous development value. This work systematically gives a comprehensive review in current developments of imidazole-based compounds in the whole range of medicinal chemistry as anticancer, antifungal, antibacterial, antitubercular, anti-inflammatory, antineuropathic, antihypertensive, antihistaminic, antiparasitic, antiobesity, antiviral, and other medicinal agents, together with their potential applications in diagnostics and pathology. It is hoped that this review will be helpful for new thoughts in the quest for rational designs of more active and less toxic imidazole-based medicinal drugs, as well as more effective diagnostic agents and pathologic probes.
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Affiliation(s)
- Ling Zhang
- Laboratory of Bioorganic & Medicinal Chemistry, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, People's Republic of China
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15
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Wang S, Li N, Pan W, Tang B. Advances in functional fluorescent and luminescent probes for imaging intracellular small-molecule reactive species. Trends Analyt Chem 2012. [DOI: 10.1016/j.trac.2012.07.010] [Citation(s) in RCA: 77] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Yang S, You J, Lan J, Gao G. Facile Access to Extremely Efficient Energy-Transfer Pairs via an Unexpected Reaction of Squaraines with Ketones. J Am Chem Soc 2012; 134:11868-71. [PMID: 22746146 DOI: 10.1021/ja304082h] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Shuaijun Yang
- Key Laboratory of Green Chemistry and Technology of
Ministry of Education, College of Chemistry, and State Key Laboratory
of Biotherapy, West China Medical School, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P.R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of
Ministry of Education, College of Chemistry, and State Key Laboratory
of Biotherapy, West China Medical School, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P.R. China
| | - Jingbo Lan
- Key Laboratory of Green Chemistry and Technology of
Ministry of Education, College of Chemistry, and State Key Laboratory
of Biotherapy, West China Medical School, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P.R. China
| | - Ge Gao
- Key Laboratory of Green Chemistry and Technology of
Ministry of Education, College of Chemistry, and State Key Laboratory
of Biotherapy, West China Medical School, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P.R. China
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Zhou R, Li B, Wu N, Gao G, You J, Lan J. Cyclen-functionalized perylenebisimides as sensitive and selective fluorescent sensors for Pb2+ in aqueous solution. Chem Commun (Camb) 2011; 47:6668-70. [DOI: 10.1039/c1cc11200g] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Zhang Q, Yang B, Zhang S, Liu S, Deng Y. Ionic liquidized-naphthalenesulfonamide: successful fabrication of liquid fluorescent materials. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c1jm13828f] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Lu HC, Whang WT, Cheng BM. Switchable structural modification accompanying altered optical properties of a zwitterionic polysquaraine. Chem Phys Lett 2010. [DOI: 10.1016/j.cplett.2010.10.023] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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