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Chinese Chemical Letters   2019 30( 12)  Published: 22 December 2019
A roadway of exploring polymer science, a lifetime of nurturing polymer scientists
Changchun Wang, Yonghui Deng
Chinese Chemical Letters 2019 Vol. 30 (12): 1995-1995   DOI:10.1016/j.cclet.2019.06.034
Abstract |  PDF (936 KB)  ( 313 ) | HTML ( )
A personal journey on using polymerization in aqueous dispersed media to synthesize polymers with branched structures
Haifeng Gao
Chinese Chemical Letters 2019 Vol. 30 (12): 1996-2002   DOI:10.1016/j.cclet.2019.02.002
Abstract |  PDF (4825 KB)  ( 189 ) | HTML ( )
Several projects were discussed to demonstrate the intriguing power of radical polymerization in aqueous dispersed media to regulate the branched structures in functional polymeric nanomaterials.
Amphiphilic block copolymers directed synthesis of mesoporous nickel-based oxides with bimodal mesopores and nanocrystal-assembled walls
Yuan Ren, Xuanyu Yang, Xinran Zhou, Wei Luo, Yi Zhang, Xiaowei Cheng, Yonghui Deng
Chinese Chemical Letters 2019 Vol. 30 (12): 2003-2008   DOI:10.1016/j.cclet.2019.01.019
Abstract |  PDF (6050 KB)  ( 186 ) | HTML ( )
Ordered mesoporous Fe-doped NiO with dual mesopores, high surface area and well-interconnected crystalline porous frameworks have been synthesized via solvent evaporation-induced co-assembly (EICA) method, by using PS-b-P4VP as structure-directing agent, Ni(acac)2 and Fe (acac)3 as binary inorganic precursor, and showed superior ethanol sensing performances with good sensitivity, high selectivity and fast response-recovery dynamics.
Synthesis of magnetic polyphosphazene-Ag composite particles as surface enhanced Raman spectroscopy substrates for the detection of melamine
Ci Huang, Feifei Lu, Ke Xu, Guanjun Ding, Lijun You, Jiabin Wang, Qiqing Zhang
Chinese Chemical Letters 2019 Vol. 30 (12): 2009-2012   DOI:10.1016/j.cclet.2019.02.006
Abstract |  PDF (3008 KB)  ( 150 ) | HTML ( )
Preparation process of the MPZS-Ag composite particles based on polyphosphazene and application for the detection of melamine as a novel SERS substrate.
Photothermal performance of MFe2O4 nanoparticles
Kuang Wang, Peng Yang, Ranran Guo, Xianxian Yao, Wuli Yang
Chinese Chemical Letters 2019 Vol. 30 (12): 2013-2016   DOI:10.1016/j.cclet.2019.04.005
Abstract |  PDF (4353 KB)  ( 108 ) | HTML ( )
In this paper, we synthesized three kinds of ferrites and investigated their photothermal property. The result indicated that the photothermal effect of Fe3O4 and MnFe2O4 nanoparticles declined while that of ZnFe2O4 nanoparticles maintained relatively stable after preservation for 70 days, and then ZnFe2O4 nanoparticles could effectively kill cancer cells under NIR laser.
Enhanced electrochemical performance and mechanism study of AgLi1/3Sn2/3O2 for lithium storage
Fan Lu, Jie Yang, Ling Zhou, Xinyue Wang, Yin Yang, Jumei Li
Chinese Chemical Letters 2019 Vol. 30 (12): 2017-2020   DOI:10.1016/j.cclet.2019.04.019
Abstract |  PDF (4284 KB)  ( 80 ) | HTML ( )
AgLi1/3Sn2/3O2 with delafossite structure is prepared by treating Li2SnO3 with molten AgNO3 and it exhibits improved electrochemical performance compared to Li2SnO3.
Silver nanoparticles embedded temperature-sensitive nanofibrous membrane as a smart free-standing SERS substrate
Xiaoyun Liu, Liying Wang, Siyuan Chen, Liusheng Zha
Chinese Chemical Letters 2019 Vol. 30 (12): 2021-2026   DOI:10.1016/j.cclet.2019.04.031
Abstract |  PDF (3832 KB)  ( 82 ) | HTML ( )
Silver nanoparticles (AgNPs) embedded temperature-sensitive nanofibrous membrane as SERS substrate is capable of real-time monitoring the reduction of 4-nitrothiophenol into 4-aminothiophenol catalyzed by its embedded AgNPs, and the detected intermediate indicates that the reaction proceeds via a condensation route.
Facile preparation of pH-responsive PEGylated prodrugs for activated intracellular drug delivery
Yue Song, Dian Li, Jinlin He, Mingzu Zhang, Peihong Ni
Chinese Chemical Letters 2019 Vol. 30 (12): 2027-2031   DOI:10.1016/j.cclet.2019.04.052
Abstract |  PDF (7972 KB)  ( 103 ) | HTML ( )
The acid-cleavable amphiphilic prodrug DOX-PEG-DOX self-assemble to form nanoparticles and enter the cell by endocytosis for the pH-triggered intracellular delivery of DOX.
Facile synthesis of mesoporous WO3@graphene aerogel nanocomposites for low-temperature acetone sensing
Tao Zhao, Yuan Ren, Guangyou Jia, Yuye Zhao, Yuchi Fan, Jianping Yang, Xin Zhang, Wan Jiang, Lianjun Wang, Wei Luo
Chinese Chemical Letters 2019 Vol. 30 (12): 2032-2038   DOI:10.1016/j.cclet.2019.05.006
Abstract |  PDF (5169 KB)  ( 96 ) | HTML ( )
Ordered mesoporous tungsten oxide@graphene aerogel (mWO3@GA) nanocomposites were synthesized via an interface-induced co-assembly process, which show a high selectivity and great response to acetone at low temperature.
Amphiphilic random polycarbonate self-assemble into GSH/pH dual responsive micelle-like aggregates in water
Jieni Hu, Yue Xu, Yan Zhang
Chinese Chemical Letters 2019 Vol. 30 (12): 2039-2042   DOI:10.1016/j.cclet.2019.05.017
Abstract |  PDF (4792 KB)  ( 43 ) | HTML ( )
We synthesized the GSH/pH responsive amphiphilic random polycarbonate poly(MN-co-MSS) with the disulfide and tertiary amine groups situated on the backbone. The poly(MN-co-MSS) was therefore a promising candidate for GSH/pH-sensitive drug carriers.
Highly stable, active and recyclable solid acid catalyst based on polymer-coated magnetic composite particles
Jianxin Luo, Xucheng Zhang, Chunyan Zhang, Tao Wang, Xue Chen, Hongyu Chen, Steve King, Changchun Wang
Chinese Chemical Letters 2019 Vol. 30 (12): 2043-2046   DOI:10.1016/j.cclet.2019.05.034
Abstract |  PDF (3405 KB)  ( 118 ) | HTML ( )
Sulfonic acid-functionalized polymer-coated magnetic composite particles were prepared and applied as highly stable, active and recyclable magnetic solid acid catalyst for biodiesel preparation and biomass transformation.
Recyclable, non-leaching antimicrobial magnetic nanoparticles
Wei Ye, Lingren Wang, Jie Zhao, Quentin Q. Fang, Weihua Ming
Chinese Chemical Letters 2019 Vol. 30 (12): 2047-2050   DOI:10.1016/j.cclet.2019.06.010
Abstract |  PDF (7219 KB)  ( 46 ) | HTML ( )
Recyclable antimicrobial magnetic nanoparticles, Fe3O4@P(St-co-AcQAC), were prepared through surfactantfree seeded emulsion polymerization involving a polymerizable, hydrophobic quaternary ammonium compound (QAC). These antimicrobial magnetic nanoparticles demonstrated excellent antimicrobial activities against both Grampositive and Gram-negative bacteria, and can be reused for multiple times.
A simple visual method for DNA detection based on the formation of gold nanoparticles
Yuan Liu, Taotao Li, Chuxuan Ling, Zunliang Wang, Lian Jin, Yongxiang Zhao, Zhu Chen, Song Li, Yan Deng, Nongyue He
Chinese Chemical Letters 2019 Vol. 30 (12): 2359-2362   DOI:10.1016/j.cclet.2019.10.033
Abstract |  PDF (4670 KB)  ( 44 ) | HTML ( )
A simple visual method for DNA detection during the formation of gold nanoparticles (AuNPs) was developed based on different electrostatic properties of single strand DNA (ssDNA) and double strand DNA (dsDNA). It could identify target DNA in 10 min.
Post-self-repair process of neuron cells under the influence of neutral and cationic nanoparticles
Ting Wang, Guanwen Qu, Yu Deng, Jing Shang, Zhangqi Feng, Fengyu Yang, Nongyue He, Jie Zheng
Chinese Chemical Letters 2019 Vol. 30 (12): 2368-2374   DOI:10.1016/j.cclet.2019.11.021
Abstract |  PDF (8570 KB)  ( 21 ) | HTML ( )
Alkylated nanoparticles induce malignant lysosome damages and unrepairable genome injuries which cannot be caused by aminated nanoparticles. Therefore, cells exposed to alkylated nanoparticles initiate post-self-repair effect by down regulating Fbw7 and accumulating cyclin E to maintain the replication of injured DNA.
Deciphering the impact of PEG antifouling layer on surface attached functional peptides in regulating cell behaviors
Fu-Jian Xu
Chinese Chemical Letters 2019 Vol. 30 (12): 2051-2052   DOI:10.1016/j.cclet.2019.10.038
Abstract |  PDF (5240 KB)  ( 26 ) | HTML ( )
In the ‘noise’ environment of culture medium, a medium length PEG antifouling layer (the OEG8 layer) can effectively resist the non-specific cell adhesion and present the optimal and genuine function of peptides in controlling cell behaviors.
2020 roadmap on two-dimensional materials for energy storage and conversion
Baolin Xu, Shihan Qi, Mengmeng Jin, Xiaoyi Cai, Linfei Lai, Zhouting Sun, Xiaogang Han, Zifeng Lin, Hui Shao, Peng Peng, Zhonghua Xiang, Johan E. ten Elshof, Rou Tan, Chen Liu, Zhaoxi Zhang, Xiaochuan Duan, Jianmin Ma
Chinese Chemical Letters 2019 Vol. 30 (12): 2053-2064   DOI:10.1016/j.cclet.2019.10.028
Abstract |  PDF (15394 KB)  ( 87 ) | HTML ( )
In this roadmap, two-dimensional materials including graphene, black phosporus, MXenes, covalent organic frameworks, oxides, chalcogenides, and others, are highlighted in energy storage and conversion.
2020 Roadmap on two-dimensional nanomaterials for environmental catalysis
Yulu Yang, Mingguang Wu, Xingwang Zhu, Hui Xu, Si Ma, Yongfeng Zhi, Hong Xia, Xiaoming Liu, Jun Pan, Jie-Yinn Tang, Siang-Piao Chai, Leonardo Palmisano, Francesco Parrino, Junli Liu, Jianzhong Ma, Ze-Lin Wang, Ling Tan, Yu-Fei Zhao, Yu-Fei Song, Pardeep Singh, Pankaj Raizada, Deli Jiang, Di Li, R. A. Geioushy, Jizhen Ma, Jintao Zhang, Song Hu, Rongjuan Feng, Gang Liu, Minghua Liu, Zhenhua Li, Mingfei Shao, Neng Li, Jiahe Peng, Wee-Jun Ong, Nikolay Kornienko, Zhenyu Xing, Xiujun Fan, Jianmin Ma
Chinese Chemical Letters 2019 Vol. 30 (12): 2065-2088   DOI:10.1016/j.cclet.2019.11.001
Abstract |  PDF (15980 KB)  ( 31 ) | HTML ( )
This roadmap demonstrates a series of two-dimensional nanomaterials, such as graphene, black phosphorus, oxides, layered double hydroxides, chalcogenides, bismuth-based layered compounds, MXenes, metal organic frameworks, covalent organic frameworks, and others, for environmental catalysis.
2020 Roadmap on gas-involved photo-and electro-catalysis
Yulu Yang, Yang Tang, Haomin Jiang, Yongmei Chen, Pingyu Wan, Maohong Fan, Rongrong Zhang, Sana Ullah, Lun Pan, Ji-Jun Zou, Mengmeng Lao, Wenping Sun, Chao Yang, Gengfeng Zheng, Qiling Peng, Ting Wang, Yonglan Luo, Xuping Sun, Alexander S. Konev, Oleg V. Levin, Panagiotis Lianos, Zhuofeng Hu, Zhurui Shen, Qinglan Zhao, Ying Wang, Nadia Todorova, Christos Trapalis, Matthew V. Sheridan, Haipeng Wang, Ling Zhang, Songmei Sun, Wenzhong Wang, Jianmin Ma
Chinese Chemical Letters 2019 Vol. 30 (12): 2089-2109   DOI:10.1016/j.cclet.2019.10.041
Abstract |  PDF (7563 KB)  ( 27 ) | HTML ( )
In this roadmap, we address the development and perspectives of hydrogen evolution reaction, oxygen reduction reaction, oxygen evolution reaction, carbon dioxide reduction reaction and nitrogen reduction.
2020 roadmap on pore materials for energy and environmental applications
Zengxi Wei, Bing Ding, Hui Dou, Jorge Gascon, Xiang-Jian Kong, Yujie Xiong, Bin Cai, Ruiyang Zhang, Ying Zhou, Mingce Long, Jie Miao, Yuhai Dou, Ding Yuan, Jianmin Ma
Chinese Chemical Letters 2019 Vol. 30 (12): 2110-2122   DOI:10.1016/j.cclet.2019.11.022
Abstract |  PDF (10583 KB)  ( 18 ) | HTML ( )
Porous materials have attracted great attention in energy and environment applications. In this roadmap, several porous materials are discussed for energy storage and conversion. It will help the researchers to obtain them guidance from it in future.
The adsorption of acidic gaseous pollutants on metal and nonmetallic surface studied by first-principles calculation: A review
Xue Ye, Shenggui Ma, Xia Jiang, Zhishan Yang, Wenju Jiang, Hualin Wang
Chinese Chemical Letters 2019 Vol. 30 (12): 2123-2131   DOI:10.1016/j.cclet.2019.09.043
Abstract |  PDF (2342 KB)  ( 30 ) | HTML ( )
Recent advances of SO2, NOx, H2S and CO2 adsorption on metal and nonmetallic surfaces by first-principles calculation are reviewed, and the common adsorption properties and calculation methods are summarized.
The concept of dual roles design in clean organic preparation
Zhong Cao, Qin Zhu, Ying-Wu Lin, Wei-Min He
Chinese Chemical Letters 2019 Vol. 30 (12): 2132-2138   DOI:10.1016/j.cclet.2019.09.041
Abstract |  PDF (6562 KB)  ( 64 ) | HTML ( )
Herein we summarized some clean preparation examples to emphasize the concept of dual roles design (or named as "two birds one stone strategy") in green and sustainable chemistry. In these procedures, the chemical waste and production costs were reduced, and the energy efficiencies were improved.
The electrochemical advanced oxidation processes coupling of oxidants for organic pollutants degradation: A mini-review
Jun Li, Yangju Li, Zhaokun Xiong, Gang Yao, Bo Lai
Chinese Chemical Letters 2019 Vol. 30 (12): 2139-2146   DOI:10.1016/j.cclet.2019.04.057
Abstract |  PDF (2193 KB)  ( 33 ) | HTML ( )
In this mini-review, the homogeneous and heterogeneous EAOPs-oxidant processes were summarized. The reaction mechanisms of different EAOPs combined with different oxidants are elucidated in detail, as well as the synergistic effect for improving the treatment efficiency.
Recent application of biochar on the catalytic biorefinery and environmental processes
Hyung Won Lee, Heejin Lee, Young-Min Kim, Rae-su Park, Young-Kwon Park
Chinese Chemical Letters 2019 Vol. 30 (12): 2147-2150   DOI:10.1016/j.cclet.2019.05.002
Abstract |  PDF (2422 KB)  ( 23 ) | HTML ( )
Biochar, produced and activated from thermochemical methods, was applied as catalyst for catalytic biorefinery and environmental pollutant removal. In this review, recent advanced studies of biochar catalyst were discussed.
DESs: Green solvents for transition metal catalyzed organic reactions
Lifen Peng, Zhifang Hu, Qichao Lu, Zilong Tang, Yinchun Jiao, Xinhua Xu
Chinese Chemical Letters 2019 Vol. 30 (12): 2151-2156   DOI:10.1016/j.cclet.2019.05.063
Abstract |  PDF (1506 KB)  ( 35 ) | HTML ( )
The recent development about using DESs as green solvents in transition metal catalyzed organic reactions was highlighted, and Au, Metal impregnated on magnetite, Pd, Ru catalyzed organic reactions proceeded smoothly in DESs and gave corresponding products in reasonable yields. And in some cases, the catalytic systems could be recycled up to several times.
Synthesis and biological evaluation of indole-3-carboxamide derivatives as antioxidant agents
Erfang Huang, Lan Zhang, Chuying Xiao, Guangpeng Meng, Bingqi Zhang, Jianshu Hu, David Chi-Cheong Wan, Qingguo Meng, Zhe Jin, Chun Hu
Chinese Chemical Letters 2019 Vol. 30 (12): 2157-2159   DOI:10.1016/j.cclet.2019.04.044
Abstract |  PDF (1907 KB)  ( 115 ) | HTML ( )
A novel series of indole-3-carboxamide derivatives (6a-6l) have been designed, synthesized and evaluated for their antioxidant activity against human neuroblastoma SH-SY5Y cell line using H2O2 radical scavenging assay. Biological activity evaluation showed that compounds 6a, 6f and 6i exhibited significant in vitro activities, which could have the potential to be developed for novel antioxidants.
Design, synthesis and SAR study of novel sulfonylurea derivatives containing arylpyrimidine moieties as potential anti-phytopathogenic fungal agents
Wei Chen, Yuxin Li, Yunyun Zhou, Yi Ma, Zhengming Li
Chinese Chemical Letters 2019 Vol. 30 (12): 2160-2162   DOI:10.1016/j.cclet.2019.04.072
Abstract |  PDF (1566 KB)  ( 68 ) | HTML ( )
Three series of novel sulfonylureas (SUs) 9-11 containing aromatic-substituted pyrimidines were designed and synthesized. The 3D-QASR and molecular docking studies showed that SUs should be considered as potential antiphytopathogenic fungal agents.
Reductive immobilization and long-term remobilization of radioactive pertechnetate using bio-macromolecules stabilized zero valent iron nanoparticles
Haodong Ji, Yangmo Zhu, Jun Duan, Wen Liu, Dongye Zhao
Chinese Chemical Letters 2019 Vol. 30 (12): 2163-2168   DOI:10.1016/j.cclet.2019.06.004
Abstract |  PDF (3348 KB)  ( 16 ) | HTML ( )
Carboxymethyl cellulose-and starch-stabilized nZVI nanoparticles were prepared and showed high efficiency for reductive immobilization of 99TcO4- in simulated groundwater.
Design of a 1,8-naphthalimide-based OFF-ON type bioorthogonal reagent for fluorescent imaging in live cells
Zhuzhou Shao, Chun Zhang, Xiaohua Zhu, Yajun Wang, Wenyuan Xu, Yu Chen, Xiaoming Wang, Hailiang Zhu, Yong Liang
Chinese Chemical Letters 2019 Vol. 30 (12): 2169-2172   DOI:10.1016/j.cclet.2019.06.023
Abstract |  PDF (2971 KB)  ( 49 ) | HTML ( )
A novel 1,8-naphthalimide-based OFF-ON type fluorogenic sydnone (Naph-Syd) as bioorthogonal probe has been developed, which can be triggered by fast cycloaddition reactions with strained alkynes for imaging of biomolecules in cellular environment.
Enhanced modulation of magnetic field on surface plasmon coupled emission (SPCE) by magnetic nanoparticles
Kaixin Xie, Shuohui Cao, Yanyun Zhai, Min Chen, Xiaohui Pan, Hitoshi Watarai, Yaoqun Li
Chinese Chemical Letters 2019 Vol. 30 (12): 2173-2176   DOI:10.1016/j.cclet.2019.06.045
Abstract |  PDF (2442 KB)  ( 28 ) | HTML ( )
This article demonstrates the enhancement of magnetic nanoparticles on magnetic field modulation of surface plasmon coupled emission (SPCE), and this method is designed as a biosensor to prove the feasibility of magnetic field modulated SPCE to be employed in the field of biosensing and biodetection.
Fabrication of niobium doped titanate nanoflakes with enhanced visible-light-driven photocatalytic activity for efficient ibuprofen degradation
Wen Liu, Wei Zhang, Mushi Liu, Penghui Du, Chenyuan Dang, Jialiang Liang, Yunyi Li
Chinese Chemical Letters 2019 Vol. 30 (12): 2177-2180   DOI:10.1016/j.cclet.2019.07.050
Abstract |  PDF (2943 KB)  ( 35 ) | HTML ( )
Niobium doping increases the visible light adsorption of titanate nanoflakes, which greatly enhances the photocatalytic activity for ibuprofen elimination.
Facile preparation of hydrophilic glutathione modified magnetic nanomaterials for specific enrichment of glycopeptides
He Qi, Zheng Li, Haijiao Zheng, Li Fu, Qiong Jia
Chinese Chemical Letters 2019 Vol. 30 (12): 2181-2185   DOI:10.1016/j.cclet.2019.06.046
Abstract |  PDF (2968 KB)  ( 35 ) | HTML ( )
Glutathione modified magnetic nanoparticles (Fe3O4@Au-GSH) were synthesized through a simple process and exploited to enrich glycopeptides from complex samples.
Surface molecular imprinting on g-C3N4 photooxidative nanozyme for improved colorimetric biosensing
Yuanheng Wu, Qiang Chen, Shuang Liu, Hua Xiao, Menglin Zhang, Xinfeng Zhang
Chinese Chemical Letters 2019 Vol. 30 (12): 2186-2190   DOI:10.1016/j.cclet.2019.08.014
Abstract |  PDF (8313 KB)  ( 19 ) | HTML ( )
Molecular imprinting on g-C3N4 leads to an over 1000-fold alleviation in matrix-interference from serum samples.
Efficient activation of peroxymonosulfate by hollow cobalt hydroxide for degradation of ibuprofen and theoretical study
Mingfeng Ma, Long Chen, Jingzhu Zhao, Wen Liu, Haodong Ji
Chinese Chemical Letters 2019 Vol. 30 (12): 2191-2195   DOI:10.1016/j.cclet.2019.09.031
Abstract |  PDF (3053 KB)  ( 22 ) | HTML ( )
Hollow structure cobalt hydroxide (h-Co(OH)2) was synthesized via a solvothermal-hydrothermal method and presented high activation activity for peroxymonosulfate to degrade ibuprofen.
Synergistic co-removal of zinc(II) and cefazolin by a Fe/amine-modified chitosan composite
Chen Ling, Yixuan Zhao, Zixi Ren, Jiangang Han, Changqing Zhu, Fu-Qiang Liu
Chinese Chemical Letters 2019 Vol. 30 (12): 2196-2200   DOI:10.1016/j.cclet.2019.09.035
Abstract |  PDF (3152 KB)  ( 23 ) | HTML ( )
A novel Fe/amine modified chitosan composite (Fe/N-CS) was facilely synthesized and showed great potential in the efficient co-removal of heavy metal ions and antibiotics from wastewater.
CRISPR-Cas13a mediated nanosystem for attomolar detection of canine parvovirus type 2
Haroon Khan, Adeel Khan, Yufeng Liu, Su Wang, Sumaira Bibi, Hongpan Xu, Yuan Liu, Samran Durrani, Lian Jin, Nongyue He, Tao Xiong
Chinese Chemical Letters 2019 Vol. 30 (12): 2201-2204   DOI:10.1016/j.cclet.2019.10.032
Abstract |  PDF (2906 KB)  ( 23 ) | HTML ( )
The CPV-2 DNA extracted from dog's intestine was amplified using RPA and transcribed into an RNA copy. The RNA copy was incubated with Cas13a and crRNA, upon activation collateral cleavage activity of Cas13a cleaves all the target RNA and nonspecific RNA in the vicinity producing fluorescent signals within 30 min.
Efficient Fe(III)/Fe(II) cycling triggered by MoO2 in Fenton reaction for the degradation of dye molecules and the reduction of Cr(VI)
Bin Shen, Chencheng Dong, Jiahui Ji, Mingyang Xing, Jinlong Zhang
Chinese Chemical Letters 2019 Vol. 30 (12): 2205-2210   DOI:10.1016/j.cclet.2019.09.052
Abstract |  PDF (4775 KB)  ( 31 ) | HTML ( )
In this work, we develop an inorganic cocatalyst of commercial MoO2 application in Fenton reaction, which can significantly enhance the Fe(III)/Fe(II) cycling efficiency to improve the oxidation activity for the remediation of Lissamine rhodamine B (L-RhB).
Electrochemical sensor for Cd2+ and Pb2+ detection based on nano-porous pseudo carbon paste electrode
Yuan Liu, Taotao Li, Chuxuan Ling, Zhu Chen, Yan Deng, Nongyue He
Chinese Chemical Letters 2019 Vol. 30 (12): 2211-2215   DOI:10.1016/j.cclet.2019.05.020
Abstract |  PDF (3269 KB)  ( 17 ) | HTML ( )
An electrochemical sensor based on self-made nano-porous pseudo carbon paste electrode (nano-PPCPE) has been successfully developed, and used to detect Cd2+ and Pb2+. The results showed that the electrodes can quantitatively detect trace Cd2+ and Pb2+, and with satisfied limit of detection, which has great significance in electrochemical analysis and detection.
CuFe2O4@GO nanocomposite as an effective and recoverable catalyst of peroxymonosulfate activation for degradation of aqueous dye pollutants
Xiaoman Lei, Menghan You, Fei Pan, Min Liu, Peng Yang, Dongsheng Xia, Qiang Li, Yanting Wang, Jie Fu
Chinese Chemical Letters 2019 Vol. 30 (12): 2216-2220   DOI:10.1016/j.cclet.2019.05.039
Abstract |  PDF (4135 KB)  ( 21 ) | HTML ( )
An effective and recoverable CuFe2O4@GO catalyst for PMS activation was synthesized and the underlying catalytic mechanism was revealed in this study.
Elucidating dominant factors of PO43-, Cd2+ and nitrobenzene removal by biochar: A comparative investigation based on distinguishable biochars
Zhanglin Liu, Dong Tian, Fei Shen, Lulu Long, Yanzong Zhang, Gang Yang, Yongmei Zeng, Jing Zhang, Jinsong He, Ying Zhu, Shihuai Deng
Chinese Chemical Letters 2019 Vol. 30 (12): 2221-2224   DOI:10.1016/j.cclet.2019.04.016
Abstract |  PDF (1099 KB)  ( 18 ) | HTML ( )
Four distinct biochars were employed to remove three typical pollutants, meanwhile, path analysis, a multi-statistical regression method, was performed to elucidate the dominant factors of biochar adsorption. This work can provide a new insight to prepare a targeted biochar as adsorbents.
A comparative study of bismuth-based photocatalysts with titanium dioxide for perfluorooctanoic acid degradation
Aziz-Ur-Rahim Bacha, Iqra Nabi, Zhaoyang Fu, Kejian Li, Hanyun Cheng, Liwu Zhang
Chinese Chemical Letters 2019 Vol. 30 (12): 2225-2230   DOI:10.1016/j.cclet.2019.07.058
Abstract |  PDF (7343 KB)  ( 18 ) | HTML ( )
The fabricated bismuth-based photocatalysts presented an outstanding performance as compared to commercial TiO2 (P25) for PFOA degradation under 254 nm UV light irradiation.
Efficient decomposition of sulfamethoxazole in a novel neutral Fered-Fenton like/oxalate system based on effective heterogeneous-homogeneous iron cycle
Chen Wang, Yubei Liu, Tao Zhou, Mingjie Huang, Juan Mao, Xiaohui Wu
Chinese Chemical Letters 2019 Vol. 30 (12): 2231-2235   DOI:10.1016/j.cclet.2019.08.055
Abstract |  PDF (1258 KB)  ( 22 ) | HTML ( )
Based on effective heterogeneous-homogeneous iron cycle, efficient SMX degradation was achieved in a novel neutral Fered-Fenton like system adopting Ti@TiO2 cathode.
Measurements of HO2 uptake coefficient on aqueous (NH4)2SO4 aerosol using aerosol flow tube with LIF system
Qi Zou, Huan Song, Mingjin Tang, Keding Lu
Chinese Chemical Letters 2019 Vol. 30 (12): 2236-2240   DOI:10.1016/j.cclet.2019.07.041
Abstract |  PDF (1850 KB)  ( 11 ) | HTML ( )
The γ(HO2) was elevated with increase of Cu(II) concentrations in aqueous (NH4)2SO4 aerosol. The threshold of Cu(II) concentration was 10-3 mol/L for the dramatic increase of γ(HO2) to 0.1, suggesting sensitive γ(HO2) value to concentration of transition metal ions in aerosol.
Hydroxyl radical formation upon dark oxidation of reduced iron minerals: Effects of iron species and environmental factors
Ailing Zhu, Yingying Guo, Guangliang Liu, Maoyong Song, Yong Liang, Yong Cai, Yongguang Yin
Chinese Chemical Letters 2019 Vol. 30 (12): 2241-2244   DOI:10.1016/j.cclet.2019.09.003
Abstract |  PDF (1711 KB)  ( 21 ) | HTML ( )
Dark oxidation of reduced iron minerals can produce hydroxyl radical under ambient conditions.
Fabrication of Cu/rGO/MoS2 nanohybrid with energetic visible-light response for degradation of rhodamine B
Huanjing Liang, Peng Hua, Yufei Zhou, Zhimin Fu, Jiaoning Tang, Junfeng Niu
Chinese Chemical Letters 2019 Vol. 30 (12): 2245-2248   DOI:10.1016/j.cclet.2019.05.046
Abstract |  PDF (2801 KB)  ( 23 ) | HTML ( )
A novel visible-light-driven Cu/rGO/MoS2 ternary nanostructure as a photocatalyst with high catalytic activity towards degradation of rhodamine B was successfully synthesized through a facile solvothermal method.
Geometry, stability and aromaticity of β-diketiminate-coordinated alkaline-earth compounds
Yuanyuan Li, Haohua Chen, Lingbo Qu, Ruopeng Bai, Yu Lan
Chinese Chemical Letters 2019 Vol. 30 (12): 2249-2253   DOI:10.1016/j.cclet.2019.06.001
Abstract |  PDF (4435 KB)  ( 13 ) | HTML ( )
The nucleus-independent chemical shifts (NICS), anisotropy of the induced current density (AICD), and molecular orbital (MO) analyses demonstrated the non-aromaticity of the β-diketiminate-coordinated Ae compounds. The DFT calculations revealed relatively high isomerization energies (ISE) for β-diketiminatecoordinated Ae compounds, which contribute to their stability.
The impact of vertical π-extension on redox mechanisms of aromatic diimide dyes
Lei Li, Juejun Wang, Mengting Chen, Yong Chen, Wangchuan Xiao, Dongyang Chen, Meijin Lin
Chinese Chemical Letters 2019 Vol. 30 (12): 2254-2258   DOI:10.1016/j.cclet.2019.05.040
Abstract |  PDF (3482 KB)  ( 17 ) | HTML ( )
The impact of vertical π-extension on redox mechanisms of aromatic diimides in the organic lithium-ion batteries have been carefully studied by a combined experiment and theoretical analyses.
Clean preparation of S-thiocarbamates with in situ generated hydroxide in 2-methyltetrahydrofuran
Wen-Hu Bao, Zheng Wang, Xiao Tang, Yun-Fu Zhang, Jia-Xi Tan, Qin Zhu, Zhong Cao, Ying-Wu Lin, Wei-Min He
Chinese Chemical Letters 2019 Vol. 30 (12): 2259-2262   DOI:10.1016/j.cclet.2019.06.052
Abstract |  PDF (2609 KB)  ( 41 ) | HTML ( )
A simple and clean protocol for the synthesis of various alkyl and (hetero)aryl S-thiocarbamates was established. The usage of in situ generated hydroxide as both an oxygen source and hydrogen source as well as biomass-derived 2-methyltetrahydrofuran as a green reaction medium, the avoidance of phosphorus-containing reductant, and the generation of harmless water and nitrogen as the side-products have given the present method atom-economy and environmental friendliness.
Effective design of A-D-A small molecules for high performance organic solar cells via F atom substitution and thiophene bridge
Anwang He, Yuancheng Qin, Weili Dai, Dan Zhou, Jianping Zou
Chinese Chemical Letters 2019 Vol. 30 (12): 2263-2265   DOI:10.1016/j.cclet.2019.07.018
Abstract |  PDF (3436 KB)  ( 33 ) | HTML ( )
Novel A-D-A-type small molecule donors employ thiophene bridge and F-substitution to improve the power conversion efficiency in organic solar cell.
Visual recognition of melamine in milk via selective metallo-hydrogel formation
Xiaoling Bao, Jianhong Liu, Qingshu Zheng, Wei Pei, Yimei Yang, Yanyun Dai, Tao Tu
Chinese Chemical Letters 2019 Vol. 30 (12): 2266-2270   DOI:10.1016/j.cclet.2019.07.025
Abstract |  PDF (4826 KB)  ( 21 ) | HTML ( )
A novel protocol allowing convenient and highly selective visual recognition of melamine in raw milk via selective metallo-hydrogel formation at a concentration as low as 10 ppm without any tedious pretreatment has been developed.
Synthesis, properties and application of novel 5,6,5,6-tetracyclic pyrazine/pyrrole-fused unsymmetric bis(BF2) fluorescent dyes: BOPYPYs
Xindong Jiang, Shuai Yue, Kepeng Chen, Zhumei Shao, Chen Li, Yajun Su, Jianzhang Zhao
Chinese Chemical Letters 2019 Vol. 30 (12): 2271-2273   DOI:10.1016/j.cclet.2019.07.027
Abstract |  PDF (2936 KB)  ( 28 ) | HTML ( )
Novel 5,6,5,6-tetracyclic pyrazine/pyrrole-fused unsymmetric bis(BF2) fluorescent dyes (BOPYPYs) were synthesized by reaction of pyrrole-2-carboxaldehyde with 1-(pyrazin-2-yl) hydrazine in the presence of Et3N-BF3·Et2O for the first time.
Promoting electrochemical conversion of CO2 to formate with rich oxygen vacancies in nanoporous tin oxides
Tengfei Gao, Anuj Kumar, Zhicheng Shang, Xinxuan Duan, Hangchao Wang, Shiyuan Wang, Shengfu Ji, Dongpeng Yan, Liang Luo, Wen Liu, Xiaoming Sun
Chinese Chemical Letters 2019 Vol. 30 (12): 2274-2278   DOI:10.1016/j.cclet.2019.07.028
Abstract |  PDF (4807 KB)  ( 20 ) | HTML ( )
In CO2 electrochemical reduction, nanoporous SnOx-300 with high-level oxygen vacancies exhibited a partial current density of 15 mA/cm2 with the Faradaic efficiency (FE) of 88.6% for HCOOH production at 0.98 V versus RHE.
Friedel-Crafts trifluoromethylthiolation of electron-rich (hetero)arenes with trifluoromethylthio-saccharin in 2,2,2-trifluoroethanol (TFE)
Shiyao Lu, Wenbo Chen, Qilong Shen
Chinese Chemical Letters 2019 Vol. 30 (12): 2279-2281   DOI:10.1016/j.cclet.2019.07.060
Abstract |  PDF (1238 KB)  ( 63 ) | HTML ( )
A promoter-free Friedel-Crafts trifluoromethylthiolation of electron-rich arenes and heteroarenes with N-trifluoromethylthiosaccharin 5 using 2,2,2-trifluoroethanol (TFE) as the solvent was described.
Highly selective oxidation of amines to imines by Mn2O3 catalyst under eco-friendly conditions
Fushan Chen, Tao Yang, Songlin Zhao, Taotao Jiang, Lu Yu, Houfeng Xiong, Chuankun Guo, Yufang Rao, Yan Liu, Liu Liu, Jian Zhou, Pengxiang Tu, Jun Ni, Qunfeng Zhang, Xiaonian Li
Chinese Chemical Letters 2019 Vol. 30 (12): 2282-2286   DOI:10.1016/j.cclet.2019.09.007
Abstract |  PDF (1449 KB)  ( 19 ) | HTML ( )
Mn2O3 calcined at 450 ℃ by a simple template-free oxalate route gave 96.2% selectivity of imine at 100% conversion of benzylamine. The high selectivity of the imines clearly depended on the Mn3+/Mn4+ ratio. The probable reaction pathway for amines oxidation catalyzed by manganese oxides was proposed for the first time. This catalytic process was carried out under milder conditions, no base additives, and air as the only oxidant.
TsCl-promoted sulfonylation of quinoline N-oxides with sodium sulfinates in water
Sha Peng, Yan-Xi Song, Jun-Yi He, Shan-Shan Tang, Jia-Xi Tan, Zhong Cao, Ying-Wu Lin, Wei-Min He
Chinese Chemical Letters 2019 Vol. 30 (12): 2287-2290   DOI:10.1016/j.cclet.2019.08.002
Abstract |  PDF (2502 KB)  ( 51 ) | HTML ( )
An eco-friendly protocol for the synthesis of various 2-sulfonyl quinolines/pyridines through sulfonylation of heteroaromatic N-oxides with sodium sulfinates in water under metal-and oxidant-free conditions has been developed. The high reaction efficiency, operational simplicity, short reaction time, air-and moisture-insensitive conditions and remarkable functional group compatibility make the developed protocol very attractive for the preparation of 2-sulfonyl N-heteroaromatic compounds.
Temperature-sensitive polypeptide brushes-coated mesoporous silica nanoparticles for dual-responsive drug release
Yahan Cui, Rong Deng, Xiangshuai Li, Xinghuo Wang, Qiong Jia, Emilie Bertrand, Kamel Meguellati, Ying-Wei Yang
Chinese Chemical Letters 2019 Vol. 30 (12): 2291-2294   DOI:10.1016/j.cclet.2019.08.017
Abstract |  PDF (6184 KB)  ( 41 ) | HTML ( )
A multifunctional nanohybrid based on mesoporous silica nanoparticle and biocompatible polypeptide was fabricated for targeted and dual-responsive therapy of tumor cells.
Visible-light-promoted sulfonylmethylation of imidazopyridines
Xia Mi, Yuanfang Kong, Jingyu Zhang, Chao Pi, Xiuling Cui
Chinese Chemical Letters 2019 Vol. 30 (12): 2295-2298   DOI:10.1016/j.cclet.2019.09.040
Abstract |  PDF (2479 KB)  ( 41 ) | HTML ( )
An effective method for the synthesis of sulfonylmethylated imidazopyridines was described with Ir(ppy)3 as photocatalyst under visible light irradiation. This reaction could be performed smoothly under mild conditions and has a wide substrate scope and good functional group tolerance. Meanwhile, desulfonylation of several selected compounds was easily achieved under reducing conditions to unveil the methyl group. The method may be an attractive strategy to install a methyl group on imidazopyridines.
Stimuli-responsive fluorescent supramolecular polymer network based on a monofunctionalized leaning tower[6]arene
Zengjie Liu, Jiarui Wu, Chunyu Wang, Jie Yang, Yan Wang, Ying-Wei Yang
Chinese Chemical Letters 2019 Vol. 30 (12): 2299-2303   DOI:10.1016/j.cclet.2019.10.023
Abstract |  PDF (3941 KB)  ( 24 ) | HTML ( )
Fluorescent supramolecular polymer network based on a mono-terpyridine-tethered leaning towerarene, a tetratopic tetraphenylethylene-based guest linker, and zinc ions has been designed and synthesized, showing excellent triple-stimuli responsive property.
Solvent-dependent selective oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid under neat conditions
Kai-Jian Liu, Tang-Yu Zeng, Jia-Le Zeng, Shao-Feng Gong, Jun-Yi He, Ying-Wu Lin, Jia-Xi Tan, Zhong Cao, Wei-Min He
Chinese Chemical Letters 2019 Vol. 30 (12): 2304-2308   DOI:10.1016/j.cclet.2019.10.031
Abstract |  PDF (2616 KB)  ( 20 ) | HTML ( )
An eco-friendly and economical route for the oxidation 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) with atmospheric dioxygen as the sole oxidant under acid-, base-, metal-and external initiator-free conditions in minimal solvent was reported.
A low-temperature synthesis-induced defect formation strategy for stable hierarchical porous metal-organic frameworks
Ge Huang, Yue Wang, Tianfu Liu
Chinese Chemical Letters 2019 Vol. 30 (12): 2309-2312   DOI:10.1016/j.cclet.2019.04.030
Abstract |  PDF (4012 KB)  ( 30 ) | HTML ( )
A stable hierarchical porous metal-organic framework PCN-56 with abundant Lewis acid sites was synthesized by the low-temperature synthesis-induced defect formation method. It exhibits good adsorption capacity for dyes and high loading capacity toward macromolecular drugs.
A novel approach to synthesize porous graphene by the transformation and deoxidation of oxygen-containing functional groups
Da Zhang, Luming Chen, Yaochun Yao, Feng Liang, Tao Qu, Wenhui Ma, Bing Yang, Yongnian Dai, Yong Lei
Chinese Chemical Letters 2019 Vol. 30 (12): 2313-2317   DOI:10.1016/j.cclet.2019.05.047
Abstract |  PDF (4788 KB)  ( 20 ) | HTML ( )
The impurity-free porous graphene prepared by acid-alkali etching-assisted sonication approach possessed the size of~5 μm, layer numbers of 3-8 and an average pore diameter of approximately 3 nm. In an acidic solution, oxygen-containing functional groups were formed due to the hydrolysis of sulfate and continuous transformations, and then under the synergistic effects of alkali and ultrasound treatment, porous graphene was obtained due to the loss of oxygen-containing functional groups.
Study on the controllable synthesis of SH-MCM-41 mesoporous materials and their adsorption properties of the La3+, Gd3+ and Yb3+
Xiancai Li, Tianren Lu, Ying Wang, Yifeng Yang
Chinese Chemical Letters 2019 Vol. 30 (12): 2318-2322   DOI:10.1016/j.cclet.2019.05.056
Abstract |  PDF (2300 KB)  ( 16 ) | HTML ( )
SH-MCM-41 was examined in adsorption and desorption experiments to investigate the adsorption capacities of La3+, Gd3+ and Yb3+ and the reusability.
Kilogram-scale synthesis of carbon quantum dots for hydrogen evolution, sensing and bioimaging
Weidong Li, Yuan Liu, Boyang Wang, Haoqiang Song, Zhongyi Liu, Siyu Lu, Bai Yang
Chinese Chemical Letters 2019 Vol. 30 (12): 2323-2327   DOI:10.1016/j.cclet.2019.06.040
Abstract |  PDF (6381 KB)  ( 22 ) | HTML ( )
A facile, low-cost, green, kilogram-scale synthesis of high quality CQDs were synthesized. The throughput of CQDs is 1.4975 kg in one pot and the as-prepared CQDs have a highly crystalline hexagonal structure with remarkable solubility, stability, and biocompatibility. It showed outstanding electrocatalytic activity, Fe3+ sensitivity and good biocompatibility.
Surface carboxyl groups enhance the capacities of carbonaceous oxygen electrodes for aprotic lithium-oxygen batteries: A direct observation on binder-free electrodes
Ming Li, Liang Xiao, Duo Wang, Haoyang Dong, Bohua Deng, Jinping Liu
Chinese Chemical Letters 2019 Vol. 30 (12): 2328-2332   DOI:10.1016/j.cclet.2019.07.011
Abstract |  PDF (4004 KB)  ( 21 ) | HTML ( )
Carbon cloth was proposed as an ideal model to investigate the effect of surface functional groups. The introduction of surface carboxyl groups significantly enhances the capacities of carbonaceous oxygen diffusion electrodes for the lithium-oxygen batteries.
Gecko-inspired composite micro-pillars with both robust adhesion and enhanced dry self-cleaning property
Xiaoxiao Dong, Hong Zhao, Zhihang Wang, Miray Ouzounian, Travis Shihao Hu, Yongjian Guo, Lipeng Zhang, Quan Xu
Chinese Chemical Letters 2019 Vol. 30 (12): 2333-2337   DOI:10.1016/j.cclet.2019.07.007
Abstract |  PDF (3429 KB)  ( 12 ) | HTML ( )
Enhanced dry self surfaces were fabricated which could dislodge up to 24.6% of contaminated particles with as few as 4 steps.
2D Bi2WO6/MoS2 as a new photo-activated carrier for boosting electrocatalytic methanol oxidation with visible light illumination
Hongmin Zhang, Jie He, Chunyang Zhai, Mingshan Zhu
Chinese Chemical Letters 2019 Vol. 30 (12): 2338-2342   DOI:10.1016/j.cclet.2019.07.021
Abstract |  PDF (2866 KB)  ( 25 ) | HTML ( )
A kind of new 2D heterojunction of Bi2WO6/MoS2 was constructed and used as visible-light activated carrier for depositing Pt electrocatalyst. With assistance of visible light irradiation, Pt-Bi2WO6/MoS2 composite shows enhanced electrocatalytic activity and stability towards methanol oxidation than traditional electrocatalytic process and commercial Pt/C.
A chlorinated non-fullerene acceptor for efficient polymer solar cells
Mei Luo, Can Zhu, Jun Yuan, Liuyang Zhou, M. L. Keshtov, D. Yu Godovsky, Yingping Zou
Chinese Chemical Letters 2019 Vol. 30 (12): 2343-2346   DOI:10.1016/j.cclet.2019.07.023
Abstract |  PDF (3330 KB)  ( 30 ) | HTML ( )
After additive and thermal annealing treatment, the PM6:Y15 based device obtains a high power conversion efficiency of 14.13%.
Facile assembly of mesoporous silica nanoparticles with hierarchical pore structure for CO2 capture
Tingting Song, Hongyu Zhao, Yu Hu, Nannan Sun, Haijiao Zhang
Chinese Chemical Letters 2019 Vol. 30 (12): 2347-2350   DOI:10.1016/j.cclet.2019.07.024
Abstract |  PDF (5487 KB)  ( 29 ) | HTML ( )
A facile one-pot hydrothermal approach has been developed for the preparation of mesoporous silica nanoparticles (MSNs) with hierarchical pore structure. The PEI-modified MSNs exhibit an improved adsorption capacity for CO2 capture.
Functional delivery vehicle of organic nanoparticles in inorganic crystals
Linlin Kong, Xinyi Jin, Dapeng Hu, Leyun Feng, Dong Chen, Hanying Li
Chinese Chemical Letters 2019 Vol. 30 (12): 2351-2354   DOI:10.1016/j.cclet.2019.08.007
Abstract |  PDF (9210 KB)  ( 18 ) | HTML ( )
This work has developed a functional delivery vehicle of an organic-inorganic hybrid consisted of organic nanoparticles in inorganic crystals, which greatly improves the stability of the bioactive and implements a unique pH-triggered release.
Self-assembly of L-tryptophan on Cu(111) studied by low-temperature scanning tunneling microscopy
Qiang Xue, Yajie Zhang, Ruoning Li, Chao Li, Na Li, Chenyang Yuan, Shimin Hou, Yongfeng Wang
Chinese Chemical Letters 2019 Vol. 30 (12): 2355-2358   DOI:10.1016/j.cclet.2019.09.027
Abstract |  PDF (3881 KB)  ( 13 ) | HTML ( )
The self-assembly of L-tryptophan on Cu(111) is investigated by an ultrahigh vacuum scanning tunneling microscope (STM) at 4.4 K. A series of novel supramolecular structures have been prepared with different annealing temperatures.
CdS nanocrystallites sensitized ZnO nanorods with plasmon enhanced photoelectrochemical performance
Li Cai, Yuanchang Du, Xiangjiu Guan, Shaohua Shen
Chinese Chemical Letters 2019 Vol. 30 (12): 2363-2367   DOI:10.1016/j.cclet.2019.07.020
Abstract |  PDF (4395 KB)  ( 36 ) | HTML ( )
A sandwiched structure of CdS/Ag/ZnO nanorod photoanode exhibits greatly enhanced photoelectrochemical activity for solar hydrogen generation, due to synergistic effect of CdS nanocrystallites and plasmonic Ag nanoparticles for the enhanced optical absorption and the promoted charge carrier separation.
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