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Chinese Chemical Letters   2019 30( 09)  Published: 22 September 2019
 
Editorial
Nanomaterials for analytical chemistry
Juewen Liu, Hongdeng Qiu
Chinese Chemical Letters 2019 Vol. 30 (09): 1545-1546   DOI:10.1016/j.cclet.2019.07.045
Abstract |  PDF (1218 KB)  ( 112 ) | HTML ( )
Review
Recent advances in autofluorescence-free biosensing and bioimaging based on persistent luminescence nanoparticles
Qiaosong Lin, Zhihao Li, Quan Yuan
Chinese Chemical Letters 2019 Vol. 30 (09): 1547-1556   DOI:10.1016/j.cclet.2019.06.016
Abstract |  PDF (8397 KB)  ( 103 ) | HTML ( )
Persistent luminescence nanoparticles (PLNPs) refer to a series of luminescent nanomaterials that can swiftly store the excitation energy and emit persistently after ceasing the excitation. Due to the characteristics of quickly storing the excitation energy and slowly emitting luminescence for a long time after ceasing excitation, they can effectively diminish background fluorescence, and are ideal for fluorescent analysis, especially in autofluorescencefree biosensing and bioimaging.
One-dimensional and two-dimensional nanomaterials for the detection of multiple biomolecules
Quan Wang, Xudong Wang, Min Xu, Xiaoding Lou, Fan Xia
Chinese Chemical Letters 2019 Vol. 30 (09): 1557-1564   DOI:10.1016/j.cclet.2019.06.025
Abstract |  PDF (8518 KB)  ( 62 ) | HTML ( )
By utilizing nanomaterials including one-dimensional materials (1DMs) and two-dimensional materials (2DMs), the recent development for the determination of multiple biomolecules has been focused.
Delving noble metal and semiconductor nanomaterials into enantioselective analysis
Yongting Wen, Zheng Li, Jianhui Jiang
Chinese Chemical Letters 2019 Vol. 30 (09): 1565-1574   DOI:10.1016/j.cclet.2019.05.036
Abstract |  PDF (4477 KB)  ( 57 ) | HTML ( )
The chiroplasmonic and chiroexcitonic platform constructed from noble metal and semiconductor nanomaterials have significantly advanced enantioselective analysis. In this paper, we summarized the exciting progresses and contributions by the peers in the field.
Recent progress in nanomaterial-enhanced fluorescence polarization/anisotropy sensors
Jia Chen, Juewen Liu, Xingguo Chen, Hongdeng Qiu
Chinese Chemical Letters 2019 Vol. 30 (09): 1575-1580   DOI:10.1016/j.cclet.2019.06.005
Abstract |  PDF (3579 KB)  ( 37 ) | HTML ( )
In this review, we summarize the number of scientific publications in the field of FP/FA sensor in recent five years, and introduce the recent progress of FP/FA sensor based on nanomaterial. The various analytical applications of FP/FA sensor based on nanomaterial are discussed. We also provide perspectives on the current challenges and future prospects in the promising field.
Versatile metal graphitic nanocapsules for SERS bioanalysis
Shengkai Li, Jiamei Xu, Shen Wang, Xin Xia, Long Chen, Zhuo Chen
Chinese Chemical Letters 2019 Vol. 30 (09): 1581-1592   DOI:10.1016/j.cclet.2019.05.049
Abstract |  PDF (23994 KB)  ( 13 ) | HTML ( )
A comprehensive summary toward the unique properties of the novel graphitic nanomaterial of metal graphitic nanocapsules (MGNs) and their applications in SERS biodetection and bioimaging were presented here.
Recent advances in electrochemiluminescence imaging analysis based on nanomaterials and micro-/nanostructures
Yanhuan Liu, Weiliang Guo, Bin Su
Chinese Chemical Letters 2019 Vol. 30 (09): 1593-1599   DOI:10.1016/j.cclet.2019.05.038
Abstract |  PDF (10841 KB)  ( 31 ) | HTML ( )
In this review, the basic principles and apparatus of ECL imaging were briefly introduced at first. Then several latest and representative applications of ECL imaging based on nanomaterials and micro-/nanostructures were overviewed. Finally, the superiorities and challenges in ECL imaging for further development were discussed.
Progress on the application of electrochemiluminescence biosensor based on nanomaterials
Zhaoxia Shi, Gongke Li, Yufei Hu
Chinese Chemical Letters 2019 Vol. 30 (09): 1600-1606   DOI:10.1016/j.cclet.2019.04.066
Abstract |  PDF (4449 KB)  ( 11 ) | HTML ( )
In this review, we check out the number of published literature in the field of ECL biosensors trends during nearly a decade, and compare the research status of four different types of biosensors; summarize the application forms of nanomaterials in ECL biosensor. We have an overview of the building patterns and application example of the four main types of biosensors in the paper.
Solid-state nanopores for ion and small molecule analysis
Qi Zhang, Yue Cheng, Peisheng Cao, Zhiyuan Gu
Chinese Chemical Letters 2019 Vol. 30 (09): 1607-1617   DOI:10.1016/j.cclet.2019.06.011
Abstract |  PDF (7272 KB)  ( 19 ) | HTML ( )
Solid-state nanopore in analytical chemistry has developed rapidly in the 1990s and it is proved to be a versatile new tool for bioanalytical chemistry. This review focuses on the analysis of ions and small molecules with nanopores including nanopipettes, polymer film nanopores, Si3N4 nanopores, graphene nanopores, MoS2 nanopores and MOFs.
Analytical methods for locating modifications in nucleic acids
Chubo Qi, Jianghui Ding, Bifeng Yuan, Yuqi Feng
Chinese Chemical Letters 2019 Vol. 30 (09): 1618-1626   DOI:10.1016/j.cclet.2019.02.005
Abstract |  PDF (10431 KB)  ( 11 ) | HTML ( )
We reviewed and summarized the established methods and the breakthrough of the techniques for locating modifications in nucleic acids. In addition, we discussed the principles, applications, advantages and drawbacks of these methods.
Communications
D-Proline capped gold nanoclusters for turn-on detection of serum Raltitrexed
Weifei Lan, Qiqi Tan, Juan Qiao, Gangyi Shen, Li Qi
Chinese Chemical Letters 2019 Vol. 30 (09): 1627-1630   DOI:10.1016/j.cclet.2019.05.019
Abstract |  PDF (1582 KB)  ( 46 ) | HTML ( )
Using D-proline (D-Pro) as the reducing agent and capper, D-Pro@AuNCs was rapidly constructed. Its fluorescence could be quenched by AuNPs. Due to the electrostatic interaction between anticancer drug Raltitrexed (RTX) and AuNPs induced fluorescence "turn-on" principle, the resultant fluorescent probe exhibited good selectivity and sensitivity for detecting RTX in rat serums.
Enzyme-conjugated hybridization chain reaction for magneto-controlled immunoassay of squamous cell carcinoma antigen with pH meter
Jiancui Chen, Huifeng Xue, Qiaoyun Chen, Yao Lin, Dianping Tang, Jinwen Zheng
Chinese Chemical Letters 2019 Vol. 30 (09): 1631-1634   DOI:10.1016/j.cclet.2019.03.045
Abstract |  PDF (6384 KB)  ( 17 ) | HTML ( )
A nanoparticle-based potentiometric immunoassay was designed for sensitive detection of squamous cell carcinoma antigen on a portable pH meter by coupling enzyme-labeled hybridization chain reaction with two alternating hairpin DNA probes for the signal amplification.
pH and H2O2 dual-responsive carbon dots for biocatalytic transformation monitoring
Wenxin Lv, Xin Wang, Jiahui Wu, Haiyin Li, Feng Li
Chinese Chemical Letters 2019 Vol. 30 (09): 1635-1638   DOI:10.1016/j.cclet.2019.06.029
Abstract |  PDF (4132 KB)  ( 18 ) | HTML ( )
Carbon dots with strong orange light emission, pH and H2O2 dual-responsive characteristics, were prepared and applied for probing enzyme-mediated biocatalytic transformations via the fluorescence quenching.
Facile and efficient fabrication of g-C3N4 quantum dots for fluorescent analysis of trace copper(II) in environmental samples
Qin Liu, Debin Zhu, Manli Guo, Ying Yu, Yujuan Cao
Chinese Chemical Letters 2019 Vol. 30 (09): 1639-1642   DOI:10.1016/j.cclet.2019.05.058
Abstract |  PDF (5735 KB)  ( 32 ) | HTML ( )
A facile and efficient fabrication of g-C3N4 quantum dots with highly fluorescent based on recrystallization and ultrasonic exfoliation was presented. The obtained g-C3N4 QDs was successfully applied to the determination of trace Cu(II) in different environmental water samples.
Highly selective electrochemical method for the detection of serotonin at carbon fiber microelectrode modified with gold nanoflowers and overoxidized polypyrrole
Jiajia Song, Lifen Wang, Hetong Qi, Honglan Qi, Chengxiao Zhang
Chinese Chemical Letters 2019 Vol. 30 (09): 1643-1646   DOI:10.1016/j.cclet.2019.05.042
Abstract |  PDF (2509 KB)  ( 12 ) | HTML ( )
A gold nanoflowers and overoxidized polypyrrole modified carbon fiber microelectrode (OPPy/Au NFs/CFME) was fabricated using electroless deposition and electrochemical method for highly selective and sensitive detection of 5-HT.
SciFinder-guided rational design of fluorescent carbon dots for ratiometric monitoring intracellular pH fluctuations under heat shock
Haifang Liu, Yuanqiang Sun, Zhaohui Li, Ran Yang, Jie Yang, Aaron Albert Aryee, Xiaoge Zhang, Jia Ge, Lingbo Qu, Yuehe Lin
Chinese Chemical Letters 2019 Vol. 30 (09): 1647-1651   DOI:10.1016/j.cclet.2019.06.012
Abstract |  PDF (4966 KB)  ( 24 ) | HTML ( )
A novel SciFinder-guided strategy for the preparation of pH responsive carbon dots (CDs-pH) for ratiometric intracellular imaging was developed.
Cu-DNAzyme facilitates highly sensitive immunoassay
Zhi Shan, Mingsheng Lyu, Dennis Curry, David Oakley, Ken Oakes, Xu Zhang
Chinese Chemical Letters 2019 Vol. 30 (09): 1652-1654   DOI:10.1016/j.cclet.2019.05.037
Abstract |  PDF (2188 KB)  ( 21 ) | HTML ( )
A simple Cu-DNAzyme system is used for signal transduction of a CuO nanoparticle-labeled immunoassay, which makes the immunoassay fast, simple, cost-effective, and sensitive, thus promising for biomedical applications and point-of-care testing.
Gold nanoparticles as dehydrogenase mimicking nanozymes for estradiol degradation
Zijie Zhang, Leslie M. Bragg, Mark R. Servos, Juewen Liu
Chinese Chemical Letters 2019 Vol. 30 (09): 1655-1658   DOI:10.1016/j.cclet.2019.05.062
Abstract |  PDF (2083 KB)  ( 36 ) | HTML ( )
Small gold nanoparticles can mimic dehydrogenase activity to catalyze estradiol (E2) oxidation to estrone (E1), extending the range of nanozyme catalysis to environmentally and biologically important substrates.
Target-triggered inhibiting oxidase-mimicking activity of platinum nanoparticles for ultrasensitive colorimetric detection of silver ion
Haohua Deng, Shaobin He, Xiuling Lin, Lu Yang, Zhen Lin, Ruiting Chen, Huaping Peng, Wei Chen
Chinese Chemical Letters 2019 Vol. 30 (09): 1659-1662   DOI:10.1016/j.cclet.2019.05.032
Abstract |  PDF (2942 KB)  ( 29 ) | HTML ( )
A facile colorimetric method for sensitive and selective detection of Ag+ is successfully developed based on the excellent oxidase-like activity of chitosan-stabilized platinum nanoparticles and the strong metallophilic Pt2+-Ag+ interactions.
Etching of gold nanorods: The effects of diameter on analytical performances
Bingjie Zhang, Yunsheng Xia
Chinese Chemical Letters 2019 Vol. 30 (09): 1663-1666   DOI:10.1016/j.cclet.2019.06.038
Abstract |  PDF (6135 KB)  ( 32 ) | HTML ( )
The diameters of gold nanorods have profound effects on the analytical performances of the corresponding etching based sensing system.
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