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CCL   2018 29( 10)  Published: 22 October 2018
New NIR-II dyes without a benzobisthiadiazole core
Hui Zhou, Yuling Xiao, Xuechuan Hong
CCL 2018 Vol. 29 (10): 1425-1428   DOI:10.1016/j.cclet.2018.08.009
Abstract |  PDF (949 KB)  ( 0 ) | HTML ( )
Compared to the well-studied NIR-I small-molecule fluorophores, the structures of NIR-II fluorophores are scarce yet. Most NIR-II fluorophores are composed of D-A-D structures. It is essential to search for the new structures of NIR-II fluorophores to enlarge the field of NIR-II dyes.
Stimuli-responsive organic chromic materials with near-infrared emission
Weijie Chen, Yingle Pan, Jianhua Chen, Fengying Ye, Sheng Hua Liu, Jun Yin
CCL 2018 Vol. 29 (10): 1429-1435   DOI:10.1016/j.cclet.2018.08.011
Abstract |  PDF (1151 KB)  ( 0 ) | HTML ( )
Some organic chromic materials responding to external stimuli, mainly to mechanical forces, with a near-infrared (NIR) emission are discussed. In line with reported cases, there is a conclusion that subtle changes in conformations and packing modes are the primary elements contributing to the optical properties changes.
Emerging applications of near-infrared fluorescent metal nanoclusters for biological imaging
Jie Xu, Li Shang
CCL 2018 Vol. 29 (10): 1436-1444   DOI:10.1016/j.cclet.2017.12.020
Abstract |  PDF (1168 KB)  ( 0 ) | HTML ( )
Recent advances in the development of near-infrared fluorescent metal nanoclusters for bioimaging applications have been thoroughly overviewed.
Small-molecule fluorescent probes for the detection of carbon dioxide
Junlong Zhu, Peipei Jia, Nuo Li, Shaoying Tan, Junhai Huang, Lin Xu
CCL 2018 Vol. 29 (10): 1445-1450   DOI:10.1016/j.cclet.2018.09.002
Abstract |  PDF (1178 KB)  ( 0 ) | HTML ( )
This review summarizes the design principles, recognition mechanisms, properties and functions of various kinds of small-molecule fluorescent probes for the detection of carbon dioxide
Recent progress in small molecule fluorescent probes for nitroreductase
Wenjing Qin, Chenchen Xu, Yanfei Zhao, Changmin Yu, Sheng Shen, Lin Li, Wei Huang
CCL 2018 Vol. 29 (10): 1451-1455   DOI:10.1016/j.cclet.2018.04.007
Abstract |  PDF (932 KB)  ( 0 ) | HTML ( )
This review aims to provide a summary of the progress in fluorescent probes for nitroreductase (NTR) in recent years and displays the main fluorescent mechanisms that have been applied to design probes.
Recent progress in Michael addition-based fluorescent probes for sulfur dioxide and its derivatives
Junchao Xu, Houqun Yuan, Lintao Zeng, Guangming Bao
CCL 2018 Vol. 29 (10): 1456-1464   DOI:10.1016/j.cclet.2018.08.012
Abstract |  PDF (1465 KB)  ( 0 ) | HTML ( )
In this review, we have summarized the recent progress of Michael addition-based fluorescent probes for SO2 and its derivatives in the design strategies, sensing performances, detection mechanisms and applications.
Recent advances in click-derived macrocycles for ions recognition
Rongpeng Peng, Youliang Xu, Qianyong Cao
CCL 2018 Vol. 29 (10): 1465-1474   DOI:10.1016/j.cclet.2018.09.001
Abstract |  PDF (1304 KB)  ( 0 ) | HTML ( )
Triazole-containing macrocycles using Cu(I)-catalyzed azide-alkyne 1,3-dipolar cycloaddition click reaction for ions recognition, including anions, metal ions and ions pair, have been reviewed.
Fluorescent quantum dots for microbial imaging
Ge Gao, Yao-Wen Jiang, Wei Sun, Fu-Gen Wu
CCL 2018 Vol. 29 (10): 1475-1485   DOI:10.1016/j.cclet.2018.07.004
Abstract |  PDF (1807 KB)  ( 0 ) | HTML ( )
QDs (Semiconductor QDs, CDs, SiQDs, and Pdots) are used in imaging microorganisms including viruses, bacteria, and fungi.
Dual excited state deactivation pathways in TPZ2: A centrosymmetric dye with both high fluorescence and triplet state quantum yield
Menghui Jia, Zhongneng Zhou, Meng Lv, Jinquan Chen
CCL 2018 Vol. 29 (10): 1486-1488   DOI:10.1016/j.cclet.2018.08.008
Abstract |  PDF (727 KB)  ( 0 ) | HTML ( )
Dual excited state deactivation pathways in TPZ2 leading to 50% fluorescence quantum yield and 50% triplet state generation yield, suggest TPZ2 is a molecule has potential application in fluorescence imaging and photodynamic therapy in the same time.
Vinylpyridine- and vinylnitrobenzene-coating tetraphenylethenes: Aggregation-induced emission (AIE) behavior and mechanochromic property
Xiaoxie Ma, Linli Hu, Xie Han, Jun Yin
CCL 2018 Vol. 29 (10): 1489-1492   DOI:10.1016/j.cclet.2018.06.022
Abstract |  PDF (944 KB)  ( 0 ) | HTML ( )
Two new functionalized tetraphenylethene-based dyes were synthesized, and the enhanced AIE and mechanochrmic properties were evaluated upon grinding-fuming with the transformation from crystal forms to irregular amorphous forms.
Red-emitting salicylaldehyde Schiff base with AIE behaviour and large Stokes shift
Junyi Gong, Peifa Wei, Yuanan Su, Ying Li, Xing Feng, Jacky W. Y. Lam, Dongzhou Zhang, Xiangzhi Song, Ben Zhong Tang
CCL 2018 Vol. 29 (10): 1493-1496   DOI:10.1016/j.cclet.2018.05.043
Abstract |  PDF (761 KB)  ( 0 ) | HTML ( )
Three salicylaldehyde Schiff base (SSB) with AIE behavior were designed and facilely synthesized through a condensation reaction. In solid and aggregation states, these SSB dyes exhibited yellow to red emission with large Stokes shift. One of SSB dyes could specifically stain lipid droplets in living cells.
Ring-restricted N-nitrosated rhodamine as a green-light triggered, orange-emission calibrated and fast-releasing nitric oxide donor
Haihong He, Tingting He, Ziqian Zhang, Xiu Xu, Huibin Yang, Xuhong Qian, Youjun Yang
CCL 2018 Vol. 29 (10): 1497-1499   DOI:10.1016/j.cclet.2018.08.019
Abstract |  PDF (812 KB)  ( 0 ) | HTML ( )
Locking the N-nitrosamine coplanar with the fluorophore facilitates photo-triggered NO release.
Synthesis of 1, 8-naphthalimide-based fluorescent nano-probes and their application in pH detection
Langping Zhou, Zechen Jin, Xiaoxiang Fan, Yuhua Yao, Zhaoyang Chen, Weibing Zhang, Junhong Qian
CCL 2018 Vol. 29 (10): 1500-1502   DOI:10.1016/j.cclet.2018.07.018
Abstract |  PDF (1339 KB)  ( 0 ) | HTML ( )
Fluorescent nano-probes with particle sizes of 20 nm, 120 nm and 300 nm for proton were prepared through click reaction. The photophysical properties of the nano-probes were mainly affected by the particle size.
Single-molecule FRET studies on interactions between elongation factor 4 (LepA) and ribosomes
Sijia Peng, Ruirui Sun, Wenjuan Wang, Chunlai Chen
CCL 2018 Vol. 29 (10): 1503-1508   DOI:10.1016/j.cclet.2017.12.006
Abstract |  PDF (894 KB)  ( 0 ) | HTML ( )
Elongation factor 4 interacts with both PRE- and POST- translocation ribosomal complexes and modulates sub-steps of elongation in different manners to fulfill its functions.
In cell measurement of fluorescence lifetime imaging microscopy revealed C-terminal conformation changes of Ferroportin upon addition of Mn2+
Mengge Zhang, Ming Wen, Ying Xiong, Longhua Zhang, Changlin Tian
CCL 2018 Vol. 29 (10): 1509-1512   DOI:10.1016/j.cclet.2018.04.026
Abstract |  PDF (896 KB)  ( 0 ) | HTML ( )
The C-terminal conformation changes of Ferroportin upon addition of Mn2+ were revealed by fluorescence lifetime imaging microscopy.
Conformational change of E. coli sulfurtransferase YgaP upon SCN- in intact native membrane revealed by fluorescence lifetime and anisotropy
Simeng Wang, Yanan Zhang, Longhua Zhang, Min Zhang, Changlin Tian
CCL 2018 Vol. 29 (10): 1513-1516   DOI:10.1016/j.cclet.2018.08.002
Abstract |  PDF (844 KB)  ( 0 ) | HTML ( )
The fluorescence lifetime and anisotropy analysis reveals different conformational changes of YgaP in DPC and SMA with fluorescent unnatural amino acid 7-HC incorporating in specific sites. And SMA is a good material to reflect the in situ conformation changes of protein than micelles. requirements of AST analogs.
A fluorometric and mitochondrion-targetable probe for rapid, naked-eye test of hypochlorite in real samples
Ying Xia, Xiaoyu Liu, Dan Wang, Zechen Wang, Qiang Liu, Haibo Yu, Mingyan Zhang, Youtao Song
CCL 2018 Vol. 29 (10): 1517-1520   DOI:10.1016/j.cclet.2018.01.054
Abstract |  PDF (966 KB)  ( 0 ) | HTML ( )
A colorimetric, fluorometric and mitochondrion-targetable probe (Rh-ClO) based on rhodamine B fluorophore and thiophene-2-carbohydrazide has been unveiled and successfully utilized for ClO- detection in water samples and HeLa cells.
Screening and evaluation of antioxidants from lees by micro-injector systems combined with a fluorescent probe, N-borylbenzyloxycarbonyl-3, 7-dihydroxyphenoxazine, in living Drosophila
Guangcui Chu, Dandan Cheng, Wenjuan Liu, Xuefeng Wang, Xiaotao Hou, Yuanyuan Hou, Hongjun Wei, Jiagang Deng, Gang Bai
CCL 2018 Vol. 29 (10): 1521-1527   DOI:10.1016/j.cclet.2018.05.020
Abstract |  PDF (338 KB)  ( 0 ) | HTML ( )
A HPLC-UV-FLD system and a micro-injector imaging system were used in the study of antioxidants from natural products.
A cancer cell turn-on protein-CuSMn nanoparticle as the sensor of breast cancer cell and CH3O-PEG-phosphatide
Huan Yang, Hongjuan Liang, Yuwen Xie, Qiuyun Chen
CCL 2018 Vol. 29 (10): 1528-1532   DOI:10.1016/j.cclet.2018.02.011
Abstract |  PDF (891 KB)  ( 0 ) | HTML ( )
A cancer activated protein-inorganic nanoparticle was used as breast cancer cell turn-on fluorescence sensor and NIR activated attenuator.
Crystallization-induced phosphorescence, remarkable mechanochromism, and grinding enhanced emission of benzophenone-aromatic amine conjugates
Weijian Luo, Yiren Zhang, Yongyang Gong, Qing Zhou, Yongming Zhang, Wangzhang Yuan
CCL 2018 Vol. 29 (10): 1533-1536   DOI:10.1016/j.cclet.2018.08.001
Abstract |  PDF (834 KB)  ( 0 ) | HTML ( )
Twisted pure organic luminogens based on benzophenone and aromatic amines exhibit both fluorescence and phosphorescence in crystals, while owning merely red-shifted fluorescence at ground amorphous solids. Some of them even demonstrate greatly enhanced emission upon grinding.
Four organic crystals displaying distinctively different emission colors based on an ESIPT-active organic molecule
Hao Liu, Xiao Cheng, Zhengyi Bian, Kaiqi Ye, Hongyu Zhang
CCL 2018 Vol. 29 (10): 1537-1540   DOI:10.1016/j.cclet.2018.08.003
Abstract |  PDF (884 KB)  ( 0 ) | HTML ( )
Multi-colored fluorescence which covering pure K* emission, E*&K* emission and pure E* emission was obtained by controlling the preparation conditions of a simple ESIPT-active molecule.
Selective formation of luminescent chiral cocrystal: Molecular self-assembly of 2, 2'-binaphthol and 2-(3-pyridyl)-1H-benzimidazole
Yanluo Lu, Yanqun Tang, Heyang Lin, Xiaoyu Fang, Bo Lu, Dan Li, Dongpeng Yan
CCL 2018 Vol. 29 (10): 1541-1543   DOI:10.1016/j.cclet.2017.12.021
Abstract |  PDF (792 KB)  ( 0 ) | HTML ( )
Luminescent chiral cocrystal based on the self-assembly of 2,2'-binaphthol and 2-(3-pyridyl)-1H-benzimidazole (P.) has been developed, in which 100% R configuration of BINOL can be obtained in the cocrystal products. The final structure presents the same P.R. The studies suggested that the cocrystallization approach could have much flexibility and potential applications for the design of chiral fluorescent materials.
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