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CCL   2018 29( 09)  Published: 22 September 2018
Rational design and biomedical applications of DNA-functionalized upconversion nanoparticles
Xinwen Liu, Meng Liu, Jiajia Chen, Zhihao Li, Quan Yuan
CCL 2018 Vol. 29 (09): 1321-1332   DOI:10.1016/j.cclet.2018.03.004
Abstract |  PDF (1250 KB)  ( 210 ) | HTML ( )
In this review, we mainly introduced recent progress of DNA-functionalized upconversion materials, providing an overview of the design and applications in biosensing, bioimaging and disease therapy. The challenges and future perspectives are also discussed, aiming to promote their applications in materials science and biomedicine.
Structural characterizations of protonated homodimers of amino acids:Revealed by infrared multiple photon dissociation (IRMPD) spectroscopy and theoretical calculations
Lifu Ma, Juan Ren, Ruxia Feng, Kailin Zhang, Xianglei Kong
CCL 2018 Vol. 29 (09): 1333-1339   DOI:10.1016/j.cclet.2018.02.008
Abstract |  PDF (904 KB)  ( 65 ) | HTML ( )
Photon affinity can serve as a probe for predicting the structures of protonated homodimers of amino acids.
A five-component one-pot synthesis of phosphatidylinositol pentamannoside (PIM5)
Dong Wang, De-Cai Xiong, Xin-Shan Ye
CCL 2018 Vol. 29 (09): 1340-1342   DOI:10.1016/j.cclet.2017.12.014
Abstract |  PDF (708 KB)  ( 82 ) | HTML ( )
A practical and efficient synthesis of phosphatidylinositol pentam annoside (PIM5) was achieved based on a five-component one-pot sequential glycosylation protocol with exclusive regio- and stereo-selectivity.
A homopolymer based on double B ←N bridged bipyridine as electron acceptor for all-polymer solar cells
Xiaojing Long, Chuandong Dou, Jun Liu, Lixiang Wang
CCL 2018 Vol. 29 (09): 1343-1346   DOI:10.1016/j.cclet.2018.01.052
Abstract |  PDF (837 KB)  ( 48 ) | HTML ( )
A homopolymer based on double B ← N bridged bipyridine was reported as a novel polymer electron acceptor. The resulting all-polymer solar cells show power conversion efficiencies of 2.44%–3.04%.
Photo-responsive nanoparticles for β-lapachone delivery in vitro
Huibo Li, Changmai Chen, Qin An, Guoyan Huo, Mingtao Run
CCL 2018 Vol. 29 (09): 1347-1349   DOI:10.1016/j.cclet.2017.11.025
Abstract |  PDF (720 KB)  ( 34 ) | HTML ( )
We reported a one-step encapsulation of indocyanine green (ICG) in ZIF-8 nanoparticles (NPs). The as-prepared ICG@ZIF-8 NPs possess an absorption band in the near infrared region and have the good photothermal conversion efficiency.
Morphology control and photocatalytic characterization of WO3 nanofiber bundles
Ying Zhang, Defeng Zhang, Xinyu Xu, Bingsen Zhang
CCL 2018 Vol. 29 (09): 1350-1354   DOI:10.1016/j.cclet.2018.03.009
Abstract |  PDF (836 KB)  ( 43 ) | HTML ( )
WO3 nanofiber bundles with high photocatalytic activity have been synthesized through the soluble salt-assisted hydrothermal method.
Mechanism of rhodium(III)-catalyzed formal C(sp3)-H activation/spiroannulation of α-arylidene pyrazolones with alkynes:A computational study
Hongyan Zou, Zhong-Liang Wang, Yang Cao, Genping Huang
CCL 2018 Vol. 29 (09): 1355-1358   DOI:10.1016/j.cclet.2017.10.034
Abstract |  PDF (847 KB)  ( 43 ) | HTML ( )
DFT calculations were performed to investigate the rhodium-catalyzed formal C(sp3)-H activation/ spiroannulation of α-arylidene pyrazolones with alkynes. The calculations indicate that the spiroannulation through the proposed C-C reductive elimination is kinetically unfeasible. Instead, the C-C coupling from the eight-membered rhodacycle was proposed to account for the experimental results
Metal-free catalytic enantioselective silylation of aromatic aldehydes in water
Yuwen Huo, Panpan Shen, Wenzeng Duan, Zhen Chen, Chun Song, Yudao Ma
CCL 2018 Vol. 29 (09): 1359-1362   DOI:10.1016/j.cclet.2017.12.005
Abstract |  PDF (715 KB)  ( 34 ) | HTML ( )
One-step access to chiral α-hydroxysilanes by metal-free catalytic enantioselective silylation of aromatic aldehydes in water was achieved for the first time.
Copper-catalyzed three-component reaction of imidazo[1,2-a]pyridine with elemental sulfur and arylboronic acid to produce sulfenylimidazo[1,2-a]pyridines
Genhua Xiao, Hao Min, Zhilei Zheng, Guobo Deng, Yun Liang
CCL 2018 Vol. 29 (09): 1363-1366   DOI:10.1016/j.cclet.2017.12.013
Abstract |  PDF (745 KB)  ( 57 ) | HTML ( )
A copper-catalyzed three-component reaction for the synthesis of sulfenylimidazo[1,2-a]pyridines using elemental sulfur as the sulfenylating agents has been developed.
Smart synthesis of silver nanoparticles supported in porous polybenzoxazine nanocomposites via a main-chain type benzoxazine resin
Kan Zhang, Zhikun Shang, Jinyun Wang, Shuping Wu, Maiyong Zhu, Songjun Li
CCL 2018 Vol. 29 (09): 1367-1371   DOI:10.1016/j.cclet.2017.10.040
Abstract |  PDF (831 KB)  ( 33 ) | HTML ( )
Novel silver nanoparticles immobilized on macroporous polybenzoxazine nanocomposites were prepared as catalysts for catalytic reduction reaction.
Anion recognition with porphyrin-bottomed tetraurea receptors
Wei Lin, Tian-Yong Cen, Shu-Ping Wang, Zibin Zhang, Jing Wu, Jianying Huang, Shijun Li
CCL 2018 Vol. 29 (09): 1372-1374   DOI:10.1016/j.cclet.2017.10.029
Abstract |  PDF (714 KB)  ( 20 ) | HTML ( )
Three tetraurea-appended porphyrin-derived anion receptors were synthesized and were found to efficiently encapsulate various anions with high association constants of up to 1.1×108 L/mol.
Exploring the N-terminus region:Synthesis, bioactivity and 3D-QSAR of allatostatin analogs as novel insect growth regulators
Meizi Wang, Li Zhang, Xianwei Wang, Yun Ling, Xiaoqing Wu, Xinlu Li, Yiduo Mi, Xinling Yang
CCL 2018 Vol. 29 (09): 1375-1378   DOI:10.1016/j.cclet.2017.11.022
Abstract |  PDF (721 KB)  ( 27 ) | HTML ( )
Two series of peptidomimetic analogs with different substituents on the N-terminus region were designed and synthesized to explore the relationship between the structure and the inhibition activity in vitro. In addition, 3D-QSAR study was performed to highlight the structural requirements of AST analogs.
Rapid detection of organophosphorus pesticide residue on Prussian blue modified dual-channel screen-printed electrodes combing with portable potentiostat
Qianwei Shi, Yuanjie Teng, Yuchao Zhang, Wenhan Liu
CCL 2018 Vol. 29 (09): 1379-1382   DOI:10.1016/j.cclet.2017.11.023
Abstract |  PDF (700 KB)  ( 16 ) | HTML ( )
A new method consisted of a dual-channel screen-printed electrode (DSPE) efficient modified with Prussian blue and acetylcholinesterase was developed for the rapid detection of organophosphorus pesticide residues.
Selective fluorescence labeling and sensitive determination of Staphylococcus aureus by microchip electrophoresis with a multiple-concentration approach
Yan Zhang, Yi Zhang, Yating Zhang, Luqi Zhu, Pingang He, Qingjiang Wang
CCL 2018 Vol. 29 (09): 1383-1386   DOI:10.1016/j.cclet.2017.10.026
Abstract |  PDF (647 KB)  ( 16 ) | HTML ( )
In this paper we explored the use of fluorescently labelled vancomycin to specifically bind and detect Staphylococcus aureus based on an on-line multiple-concentration on microchip electrophoresis.
Immobilization of acetylcholinesterase on functionalized SBA-15 mesoporous molecular sieve for detection of organophosphorus and carbamate pesticide
Yin Rui, Xiaomei Wu, Baodi Ma, Yi Xu
CCL 2018 Vol. 29 (09): 1387-1390   DOI:10.1016/j.cclet.2017.10.033
Abstract |  PDF (665 KB)  ( 15 ) | HTML ( )
A novel method for the immobilization of acetylcholinesterase (AChE) on amino modified SBA-15 mesoporous molecular sieves was developed via electrostatic adsorption and glutaraldehyde crosslinking. The immobilized AChE could be exploited as a fast, sensitive and low-cost biocatalyst towards the detection of pesticides residues which could be stored at room temperature for a long time.
High-throughput measurements of ciprofloxacin, clomipramine and fexofenadine hydrochlorides with an 8-channel electrical titrator
Xuzhi Zhang, Qianqian Yang, Xuchang Zhang, Pingping Wang, Zhihui Hao, Jun Zhao, Keming Qu
CCL 2018 Vol. 29 (09): 1391-1394   DOI:10.1016/j.cclet.2017.11.005
Abstract |  PDF (675 KB)  ( 17 ) | HTML ( )
By employing a developed automatic eight-channel electrical titrator, ciprofloxacin, clomipramine and fexofenadine hydrochlorides are determined in batch, respectively, with satisfactory accuracy and precision. It shows a higher efficiency superior to traditional titration method, and maximally 30 measurements per minute can be completed.
Multilevel profiling and identification of Dalbergia odorifera and Dalbergia stevensonii by FTIR, NMR and GC/MS
Fang Wang, Anmin Huang, Xiaoqian Yin, Wenshu Wang, Jianbo Chen
CCL 2018 Vol. 29 (09): 1395-1398   DOI:10.1016/j.cclet.2017.11.007
Abstract |  PDF (702 KB)  ( 17 ) | HTML ( )
Chemical differences of the extractives revealed by FTIR methods can be further confirmed by 1H NMR and 13C NMR. Meanwhile, the volatile compounds in the extractives can be identified by GC/MS
Preparation and chromatographic evaluation of a chiral stationary phase based on carboxymethyl-β-cyclodextrin for high-performance liquid chromatography
Min Zhou, Yuande Long, Yonggang Zhi, Xiaoying Xu
CCL 2018 Vol. 29 (09): 1399-1403   DOI:10.1016/j.cclet.2017.10.039
Abstract |  PDF (671 KB)  ( 26 ) | HTML ( )
A novel chiral stationary phase (CSP) was prepared by chemically bonding carboxymethyl-β-cyclodextrin (CM-β-CD) onto 3-aminopropyl silica gel and showed excellent enantioseparation abilities for a broad range of chiral compounds and drugs.
Silver(II) 5,10,15,20-tetra(ethoxycarbonyl) porphyrin:An unexpected six-coordinate linear assembled structure
Hua-Hua Wang, Hai-Yang Liu, Fan Cheng, Atif Ali, Lei Shi, Xin-Yan Xiao, Chi-Kwong Chang
CCL 2018 Vol. 29 (09): 1404-1408   DOI:10.1016/j.cclet.2017.12.027
Abstract |  PDF (1032 KB)  ( 38 ) | HTML ( )
A novel six-coordinated silver porphyrin linear assembly was observed in silver(II) 5,10,15,20-tetra(ethoxycarbonyl) porphyrin crystal.
Extended structural materials constructed from sulfate-centered Preyssler-type polyoxometalate with excellent electrocatalytic property
Na Zhang, Luying Hong, Aifang Geng, Jinghui Yan, Shuang Yao, Zhiming Zhang
CCL 2018 Vol. 29 (09): 1409-1412   DOI:10.1016/j.cclet.2017.12.003
Abstract |  PDF (859 KB)  ( 26 ) | HTML ( )
The sulfate-centered Preyssler-type polyoxometalate was firstly used to construct inorganic-organic hybrid materials, which exhibits excellent electrocatalytic activity toward reduction of H2O2 and NO2-.
Active carbon supported S-promoted Bi catalysts for acetylene hydrochlorination reaction
Di Hu, Lu Wang, Feng Wang, Jide Wang
CCL 2018 Vol. 29 (09): 1413-1416   DOI:10.1016/j.cclet.2017.12.017
Abstract |  PDF (704 KB)  ( 24 ) | HTML ( )
We synthesized a S doped Bi/AC catalyst for acetylene hydrochlorination. The addition of H2SO4 changes the structure of the Bi atoms in the catalyst, resulting in the improvement of the specific surface areas and catalytic efficiency of the Bi-based catalyst under reaction conditions.
Synergistic effects of CdS in sodium titanate based nanostructures for hydrogen evolution
Fei Wang, Zigui Kan, Fei Cao, Qi Guo, Yinlong Xu, Caiyu Qi, Caolong Li
CCL 2018 Vol. 29 (09): 1417-1420   DOI:10.1016/j.cclet.2017.11.030
Abstract |  PDF (713 KB)  ( 40 ) | HTML ( )
Synergistic effect of CdS decorated sodium titanate nanostructures showed enhanced H2 production abilities. The confinement effect and synergistic effect of decorated CdS inside the sodium titanate nanotubes are investigated.
ICG@ZIF-8:One-step encapsulation of indocyanine green in ZIF-8 and use as a therapeutic nanoplatform
Chao Yang, Jing Xu, Dandan Yang, Xiaoxiao Wang, Bin Liu, Nongyue He, Zhifei Wang
CCL 2018 Vol. 29 (09): 1421-1424   DOI:10.1016/j.cclet.2018.02.014
Abstract |  PDF (848 KB)  ( 30 ) | HTML ( )
This work reported a one-step encapsulation of indocyanine green (ICG) in ZIF-8 nanoparticles (NPs), which possess an absorption band in the near infrared region and have the good photothermal conversion efficiency. The in vivo and in vitro studies show that, after loading DOX, ICG@ZIF-8-DOX NPs exhibit the chem-band photothermal synergistic therapy for tumor.
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