201
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Zhang T, Hu YQ, Mo ZW, Liao PQ, Sakiyama H, Han T, Chen XM, Zheng YZ. Cobalt(II) Magnetic Metal-Organic Framework with an Effective Kagomé Lattice, Large Surface Area, and High Spin-Canted Ordering Temperature. ACS Appl Mater Interfaces 2017; 9:38181-38186. [PMID: 29064659 DOI: 10.1021/acsami.7b10757] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
To make a porous material with high magnetic ordering temperature is challenging because the low density of the material is adverse to the dense magnetic moment, a prerequisite to high-performance magnets. Herein, we report a hollow magnetic metal-organic framework (MMOF) [Co3(bpdc)3(tpt)0.66] 1 (H2bpdc = 4,4'-biphenyldicarboxylic acid) with a Langmuir surface area of 1118 m2/g and spin-canted long-range magnetic ordering up to 22 K. Such a high performance is owing to the unique antiferromagnetic Kagomé lattice made of ferromagnetic Co3 clusters and conjugated 2,4,6-tri(4-pyridinyl)-1,3,5-triazine (tpt) ligands, which is closely coupled with each other via double-interpenetration of the porous networks. Moreover, a parameter defined as the product of magnetic ordering/blocking temperature and the surface area for measuring the performance of porous molecular magnets is proposed.
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Affiliation(s)
- Tao Zhang
- Frontier Institute of Science and Technology, and School of Science, Xi'an Jiaotong University , Xi'an 710054, China
| | - Yue-Qiao Hu
- Frontier Institute of Science and Technology, and School of Science, Xi'an Jiaotong University , Xi'an 710054, China
| | - Zong-Wen Mo
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, China
| | - Hiroshi Sakiyama
- Department of Science, Faculty of Science, Yamagata University , Kojirakawa, Yamagata 990-8560, Japan
| | - Tian Han
- Frontier Institute of Science and Technology, and School of Science, Xi'an Jiaotong University , Xi'an 710054, China
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University , Tianjin 300071, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-Sen University , Guangzhou 510275, China
| | - Yan-Zhen Zheng
- Frontier Institute of Science and Technology, and School of Science, Xi'an Jiaotong University , Xi'an 710054, China
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202
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Ruan ZY, Chen XM, Yang P, Wang BY. Roles played by invertase and gene expression in the development of the horn-shaped gall on leaves of Rhus chinensis. Funct Plant Biol 2017; 44:1160-1170. [PMID: 32480641 DOI: 10.1071/fp16436] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 07/17/2017] [Indexed: 06/11/2023]
Abstract
The present study deals with the growth and development of the horn-shaped gall, which is induced by Schlechtendalia chinensis Bell. on leaves of Rhus chinensis Mill. The relationship between gall formers and their host plants was investigated by means of the activities of various invertases, the expressions of the cell wall invertase gene (INV2), and vacuolar invertase gene (INV3) during gall development. Our results show that the increase in the sink strength of the galls required cell wall invertase and vacuolar invertase, and that vacuolar invertase had a particular impact during the early development. In addition, vacuolar invertase activity was always significantly higher in galls than in leaves. However, ionically bound cell wall invertase showed a slightly significant increased activity level when compared with the leaves after galls had entered the fast growing period. This result indicates that vacuolar invertase is related to the rapid expansion of the galls, but ionically bound cell wall invertase is involved in the rapid growth of tissues. The enhanced activity of cell wall invertase and the expression of INV2 may be a plant response to a gall-induced stress. Cytoplasmic invertase that acts as a maintenance enzyme, or takes part in the production of secondary metabolites, was elevated when intracellular acid invertase activity decreased.
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Affiliation(s)
- Zhen-Yuan Ruan
- The Research Institute of Resource Insects, Chinese Academy of Forestry, Bailong Si, Bailong Road, Panlong District, Kunming, China
| | - Xiao-Ming Chen
- The Research Institute of Resource Insects, Chinese Academy of Forestry, Bailong Si, Bailong Road, Panlong District, Kunming, China
| | - Pu Yang
- The Research Institute of Resource Insects, Chinese Academy of Forestry, Bailong Si, Bailong Road, Panlong District, Kunming, China
| | - Bing-Yi Wang
- The Research Institute of Resource Insects, Chinese Academy of Forestry, Bailong Si, Bailong Road, Panlong District, Kunming, China
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203
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Liu W, Peng YY, Wu SG, Chen YC, Hoque MN, Ni ZP, Chen XM, Tong ML. Guest-Switchable Multi-Step Spin Transitions in an Amine-Functionalized Metal-Organic Framework. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708973] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Wei Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yuan-Yuan Peng
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Si-Guo Wu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Md. Najbul Hoque
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Zhao-Ping Ni
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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204
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Liu W, Peng YY, Wu SG, Chen YC, Hoque MN, Ni ZP, Chen XM, Tong ML. Guest-Switchable Multi-Step Spin Transitions in an Amine-Functionalized Metal-Organic Framework. Angew Chem Int Ed Engl 2017; 56:14982-14986. [DOI: 10.1002/anie.201708973] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/02/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Wei Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yuan-Yuan Peng
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Si-Guo Wu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Md. Najbul Hoque
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Zhao-Ping Ni
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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205
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Affiliation(s)
- Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Hao-Long Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Dong-Dong Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, China
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206
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He YN, Chen XM. [Standardization of diagnosis and treatment of urinary infection in the female, maintenance of female physical health and well-being]. Zhonghua Yi Xue Za Zhi 2017; 97:2801-2802. [PMID: 29050138 DOI: 10.3760/cma.j.issn.0376-2491.2017.36.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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207
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Li FQ, Wu XC, Xu LN, Chen XM, Lu S, Tang CL. [Effect of nicotinic acetylcholine receptor α7 subunit gene on liver inflammatory reaction in mice with nonalcoholic steatohepatitis and related mechanisms]. Zhonghua Gan Zang Bing Za Zhi 2017; 24:767-771. [PMID: 27938563 DOI: 10.3760/cma.j.issn.1007-3418.2016.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the effect of nicotinic acetylcholine receptor α7 (α7nAChR) subunit gene on liver inflammation in mice with nonalcoholic steatohepatitis (NASH) and related mechanisms. Methods: C57BL/6J mice and α7nAChR gene knockout mice were fed for 24 weeks to establish the NASH model, and the mice were sacrificed to isolate and culture the primary liver macrophages. After the treatment with nicotine and endotoxin, ELISA was used to measure the levels of the inflammatory factors interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in supernatant; indirect immunofluorescence assay and Western blot were used to observe the effect on the NF-κB signaling pathway, and quantitative PCR was used to measure the mRNA expression of Toll-like receptor-4 (TLR-4) in macrophages. An analysis of variance was used for comparison of means between multiple groups. Results: The results of ELISA showed that compared with the endotoxin+nicotine group of C57 NASH mice, the endotoxin+nicotine group of gene knockout NASH mice had significantly higher levels of IL-6 and TNF-α in supernatant (IL-6: 1 599±65 pg/ml vs 1 465±45 pg/ml, P < 0.05; TNF-α: 1 567±66 pg/ml vs 1 433±50 pg/ml, P < 0.05). The results of Western blot showed that compared with the endotoxin+nicotine group of C57 NASH mice, the endotoxin+nicotine group of gene knockout NASH mice had significantly higher relative protein expression of phosphorylated NF-κB and TLR-4 (NF-κB: 69 425±600 vs 51 133±200, P < 0.05; TLR-4: 93 387±684 vs 64 198±630, P < 0.05). The results of indirect immunofluorescence assay showed that the endotoxin+nicotine group of gene knockout NASH mice had a significantly higher fluorescence intensity of NF-κB than the endotoxin+nicotine group of C57 NASH mice. The results of PCR showed that the endotoxin+nicotine group of gene knockout NASH mice had significantly higher relative mRNA expression of TLR-4 than the endotoxin+nicotine group of C57 NASH mice (4.13±0.13 vs 2.93±0.14, P < 0.05). Conclusion: The α7nAChR gene knockout can aggravate the degree of inflammatory reaction in NASH, and its mechanism may be related to the fact that the NF-κB signaling pathway cannot be inhibited, which aggravates inflammatory reaction.
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Affiliation(s)
- F Q Li
- Department of Infectious Diseases, The Center Hospital of Shaoxing, Shaoxing 312030, China
| | - X C Wu
- The Second Clinical Medial College, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - L N Xu
- The Second Clinical Medial College, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - X M Chen
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou 310005, China
| | - S Lu
- The Second Clinical Medial College, Zhejiang Chinese Medical University, Hangzhou 310053, China
| | - C L Tang
- Department of Infectious Diseases, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou 310005, China
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208
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Lu FM, Wang J, Chen XM, Jiang JN, Zhang WH, Zhao JM, Ren H, Hou JL, Xia NS. [The potential use of serum HBV RNA to guide the functional cure of chronic hepatitis B]. Zhonghua Gan Zang Bing Za Zhi 2017; 25:105-110. [PMID: 28297795 DOI: 10.3760/cma.j.issn.1007-3418.2017.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Hepatitis B virus (HBV) covalently closed circular DNA (cccDNA) in infected hepatocytes is the main cause of off-therapy viral rebound. The half-life of cccDNA is only 33-50 days, so the conversion of newly synthesized rcDNA to cccDNA in the nucleus is essential for the maintenance of cccDNA pool in infected hepatocytes. Though not directly targeting the existing cccDNA, current nucleos(t)ide analogues (NAs) may exhaust the cccDNA reservoir by blocking the rcDNA formation. Indeed, a prolonged consolidation therapy post loss of serum HBV DNA can achieve sustained remission and thus safe drug discontinuation in a small proportion of chronic hepatitis B (CHB) patients. In recent studies, we and others have demonstrated that it is the serum HBV RNA that reflects the cccDNA activity in infected hepatocytes, particularly among the patients on NAs. Here we suggest that instead of measuring serum HBV DNA only, simultaneous measurement of both viral DNA and RNA would improve the accuracy to reflect the cccDNA activity; therefore, the virological response should be redefined as consistent loss (less than the lower limit of detection) of both serum HBV DNA and RNA, which indicates the safety of drug discontinuation. Accumulating evidence has suggested that for the CHB patients with lower serum HBsAg, switch-to or add-on pegylated interferon (Peg-IFN) treatment would result in loss of serum HBsAg in a relatively large proportion of CHB patients. Since serum HBV RNA is an ideal biomarker to reflect the intrahepatic cccDNA activity, for the patients with a serum HBsAg level lower than 1 500 IU/ml after long-term NAs treatment, the serum HBV RNA should be measured. If serum HBV RNA is detected, peg-IFN should be added on; if serum HBV RNA is not detected, NAs treatment should be switched to peg-IFN treatment. We believe the therapy based on serum HBV RNA would make the functional cure of CHB (serum HBsAg loss or even conversion to anti-HBs) more efficient.
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Affiliation(s)
- F M Lu
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - J Wang
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - X M Chen
- Department of Microbiology, School of Basic Medical Sciences, Peking University Health Science Center, Beijing 100191, China
| | - J N Jiang
- The Fist Affiliated Hospital of Guangxi Medical University, Nanning 530021, China
| | - W H Zhang
- Huashan Hospital, Fudan University, Shanghai 200040, China
| | - J M Zhao
- 302 Military Hospital, Beijing 100039, China
| | - H Ren
- The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - J L Hou
- Nanfang Hospital of Southern Medical University, Guangzhou 510515, China
| | - N S Xia
- National Institute of Diagnostics and Vaccine Development in Infectious Diseases, Xiamen University, Xiamen 361102, China
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209
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Jin WG, Chen W, Xu PH, Lin XW, Huang XC, Chen GH, Lu F, Chen XM. Cover Feature: An Exceptionally Water Stable Metal-Organic Framework with Amide-Functionalized Cages: Selective CO 2
/CH 4
Uptake and Removal of Antibiotics and Dyes from Water (Chem. Eur. J. 53/2017). Chemistry 2017. [DOI: 10.1002/chem.201702833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Wei-Guang Jin
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Wei Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Pei-Hang Xu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Xin-Wen Lin
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Xiao-Chun Huang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; Sun Yat-Sen University; Guangdong 510275 P. R. China
| | - Guang-Hui Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Fushen Lu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Xiao-Ming Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; Sun Yat-Sen University; Guangdong 510275 P. R. China
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210
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He CT, Ye ZM, Xu YT, Zhou DD, Zhou HL, Chen D, Zhang JP, Chen XM. Hyperfine adjustment of flexible pore-surface pockets enables smart recognition of gas size and quadrupole moment. Chem Sci 2017; 8:7560-7565. [PMID: 29163911 PMCID: PMC5676252 DOI: 10.1039/c7sc03067c] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 09/09/2017] [Indexed: 12/26/2022] Open
Abstract
Continuous pore-size adjustments are achieved in a series of ultramicroporous MOFs, giving flexible pore-surface pockets for the smart recognition of highly similar gases and high gas separation/storage performances.
The pore size and framework flexibility of hosts are of vital importance for molecular recognition and related applications, but accurate control of these parameters is very challenging. We use the slight difference of metal ion size to achieve continuous hundredth-nanometer pore-size adjustments and drastic flexibility modulations in an ultramicroporous metal–organic framework, giving controllable N2 adsorption isotherm steps, unprecedented/reversed loading-dependence of H2 adsorption enthalpy, quadrupole-moment sieving of C2H2/CO2, and an exceptionally high working capacity for C2H2 storage under practical conditions (98 times that of an empty cylinder). In situ single-crystal X-ray diffraction measurements and multilevel computational simulations revealed the importance of pore-surface pockets, which utilize their size and electrostatic potential to smartly recognize the molecular sizes and quadruple moments of gas molecules to control their accessibility to the strongest adsorption sites.
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Affiliation(s)
- Chun-Ting He
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Zi-Ming Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Yan-Tong Xu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Dong-Dong Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Hao-Long Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Da Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry , Sun Yat-Sen University , Guangzhou 510275 , China .
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211
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Zeng Y, Huang RK, Du ZY, He CT, Zhang WX, Chen XM. Matching of Host–Guest Symmetry/Orientation and Molecular Dynamics in Two Double Perovskite-Like Azido Coordination Polymers. Inorg Chem 2017; 56:9946-9953. [DOI: 10.1021/acs.inorgchem.7b01478] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ying Zeng
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Rui-Kang Huang
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Zi-Yi Du
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Chun-Ting He
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wei-Xiong Zhang
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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212
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Jin WG, Chen W, Xu PH, Lin XW, Huang XC, Chen GH, Lu F, Chen XM. An Exceptionally Water Stable Metal-Organic Framework with Amide-Functionalized Cages: Selective CO2/CH4Uptake and Removal of Antibiotics and Dyes from Water. Chemistry 2017; 23:13058-13066. [DOI: 10.1002/chem.201701884] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Wei-Guang Jin
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Wei Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Pei-Hang Xu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Xin-Wen Lin
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Xiao-Chun Huang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; Sun Yat-Sen University; Guangdong 510275 P. R. China
| | - Guang-Hui Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Fushen Lu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
| | - Xiao-Ming Chen
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province; Shantou University; Guangdong 515063 P. R. China
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; Sun Yat-Sen University; Guangdong 510275 P. R. China
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213
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Liu P, Yang ZX, Chen XM, Chen H. Full-length cloning, sequence analysis and expression detection of the β-tubulin gene from the Chinese gall aphid (Schlechtendalia chinensis). Sci Rep 2017; 7:6459. [PMID: 28743930 PMCID: PMC5526861 DOI: 10.1038/s41598-017-06806-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 06/16/2017] [Indexed: 11/09/2022] Open
Abstract
Some insect galls are formed on sumac plants by certain aphid species and have been used for medicinal and chemical purposes as they are rich in tannins. The most prominent species among gall aphids in China is Schlechtendalia chinensis, which formed horn-shaped galls on the winged rachis of Rhus chinensis. S. chinensis has a complex life cycle, with a switch of hosts between R. chinensis and certain mosses, and a switch of sexual and asexual reproduction (cyclical parthenogenesis). We have cloned a full-length cDNA of the β-tubulin gene from S. chinensis, using qPCR and RACE. This cDNA has 1606 base pairs with a 251 bp 5'-untranslated region (5'-UTR) and a 15 bp 3'-untranslated region (3'-UTR). The gene encodes a protein with 376 amino acids residues. The expression levels of the β-tubulin gene in S. chinensis were investigated among fundatrigeniae and overwintering larvae rearing under either natural conditions, or at 7.5 °C and 18 °C. No significant differences (P > 0.01) in gene expression levels were found in insects under these conditions. It is indicates that the β-tubulin gene is highly conserved and then it may be used as a reference for further research in gene expression and reproduction determination in this important aphid.
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Affiliation(s)
- Ping Liu
- Research Institute of Resource Insects, Chinese Academy of Forestry, Key Laboratory of Breeding and Utilization of Resource Insects of State Forestry Administration, Kunming, Yunnan, China.,Yunnan Forestry Technological College, Kunming, Yunnan, China
| | - Zi-Xiang Yang
- Research Institute of Resource Insects, Chinese Academy of Forestry, Key Laboratory of Breeding and Utilization of Resource Insects of State Forestry Administration, Kunming, Yunnan, China.
| | - Xiao-Ming Chen
- Research Institute of Resource Insects, Chinese Academy of Forestry, Key Laboratory of Breeding and Utilization of Resource Insects of State Forestry Administration, Kunming, Yunnan, China
| | - Hang Chen
- Research Institute of Resource Insects, Chinese Academy of Forestry, Key Laboratory of Breeding and Utilization of Resource Insects of State Forestry Administration, Kunming, Yunnan, China
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214
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Gu R, Sun X, Chi Y, Zhou Q, Xiang H, Bosco DB, Lai X, Qin C, So KF, Ren Y, Chen XM. Integrin β3/Akt signaling contributes to platelet-induced hemangioendothelioma growth. Sci Rep 2017; 7:6455. [PMID: 28744026 PMCID: PMC5527091 DOI: 10.1038/s41598-017-06927-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 06/22/2017] [Indexed: 01/16/2023] Open
Abstract
Hemangioendothelioma (HE) is a type of angiomatous lesions that features endothelial cell proliferation. Understanding the mechanisms orchestrating HE angiogenesis can provide therapeutic insights. It has been shown that platelets can support normal and malignant endothelial cells during angiogenesis. Using the mouse endothelial-derived EOMA cell line as a model of HE, we explored the regulatory effect of platelets. We found that platelets stimulated EOMA proliferation but did not mitigate apoptosis. Furthermore, direct platelet-EOMA cell contact was required and the proliferation was mediated via integrin β3/Akt signaling in EOMA cells. SiRNA knockdown of integrin β3 and inhibition of Akt activity significantly abolished platelet-induced EOMA cell proliferation in vitro and tumor development in vivo. These results provide a new mechanism by which platelets support HE progression and suggest integrin β3 as a potential target to treat HE.
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Affiliation(s)
- Rui Gu
- Institute of Inflammation and Diseases, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xin Sun
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Joint International Research Laboratory of CNS Regeneration Ministry of Education, Guangdong Medical Key Laboratory of Brain Function and Diseases, Jinan University, Guangzhou, China.,Co-innovation Center of Neuroregeneration, Nantong, China
| | - Yijie Chi
- Institute of Inflammation and Diseases, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Qishuang Zhou
- Institute of Inflammation and Diseases, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Hongkai Xiang
- Institute of Inflammation and Diseases, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Dale B Bosco
- Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, USA
| | - Xinhe Lai
- Institute of Inflammation and Diseases, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Caixia Qin
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Joint International Research Laboratory of CNS Regeneration Ministry of Education, Guangdong Medical Key Laboratory of Brain Function and Diseases, Jinan University, Guangzhou, China
| | - Kwok-Fai So
- Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Joint International Research Laboratory of CNS Regeneration Ministry of Education, Guangdong Medical Key Laboratory of Brain Function and Diseases, Jinan University, Guangzhou, China.,Co-innovation Center of Neuroregeneration, Nantong, China
| | - Yi Ren
- Institute of Inflammation and Diseases, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China. .,Guangdong-Hong Kong-Macau Institute of CNS Regeneration (GHMICR), Joint International Research Laboratory of CNS Regeneration Ministry of Education, Guangdong Medical Key Laboratory of Brain Function and Diseases, Jinan University, Guangzhou, China. .,Department of Biomedical Sciences, Florida State University College of Medicine, Tallahassee, FL, USA.
| | - Xiao-Ming Chen
- Institute of Inflammation and Diseases, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
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215
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Feng Z, Chen XM. [Strengthen and standardize the diagnosis and treatment of hyperuricemia in kidney diseases]. Zhonghua Yi Xue Za Zhi 2017; 97:1921-1922. [PMID: 28693068 DOI: 10.3760/cma.j.issn.0376-2491.2017.25.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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216
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217
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Li W, He CT, Zeng Y, Ji CM, Du ZY, Zhang WX, Chen XM. Crystalline Supramolecular Gyroscope with a Water Molecule as an Ultrasmall Polar Rotator Modulated by Charge-Assisted Hydrogen Bonds. J Am Chem Soc 2017; 139:8086-8089. [DOI: 10.1021/jacs.7b02981] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Wang Li
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Chun-Ting He
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Ying Zeng
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Cheng-Min Ji
- Fujian
Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Zi-Yi Du
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Wei-Xiong Zhang
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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218
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Hu YQ, Li MQ, Wang Y, Zhang T, Liao PQ, Zheng Z, Chen XM, Zheng YZ. Direct Observation of Confined I−⋅⋅⋅I2⋅⋅⋅I−Interactions in a Metal-Organic Framework: Iodine Capture and Sensing. Chemistry 2017; 23:8409-8413. [DOI: 10.1002/chem.201702087] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Yue-Qiao Hu
- Frontier Institute of Science and Technology (FIST); State Key Laboratory for Mechanical Behaviour of Materials and School of Science; Xi'an Jiaotong University; Xi'an 710054 P. R. China
| | - Mu-Qing Li
- Frontier Institute of Science and Technology (FIST); State Key Laboratory for Mechanical Behaviour of Materials and School of Science; Xi'an Jiaotong University; Xi'an 710054 P. R. China
| | - Yanyan Wang
- Frontier Institute of Science and Technology (FIST); State Key Laboratory for Mechanical Behaviour of Materials and School of Science; Xi'an Jiaotong University; Xi'an 710054 P. R. China
| | - Tao Zhang
- Frontier Institute of Science and Technology (FIST); State Key Laboratory for Mechanical Behaviour of Materials and School of Science; Xi'an Jiaotong University; Xi'an 710054 P. R. China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Zhiping Zheng
- Department of Chemistry and Biochemistry; University of Arizona; Tucson Arizona 85721 USA
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yan-Zhen Zheng
- Frontier Institute of Science and Technology (FIST); State Key Laboratory for Mechanical Behaviour of Materials and School of Science; Xi'an Jiaotong University; Xi'an 710054 P. R. China
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219
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Li WY, Chen JS, Zhao Q, Dai RX, Wang YP, Zhao HY, Chen XM, Xue XH, Sun XY, Tang XM, Zhang Y, Ding Y, Zhao XD, Zhang ZY. [Two families of X-linked lymphoproliferative disease type 1 characterized by agammaglobulinemia]. Zhonghua Er Ke Za Zhi 2017; 55:377-382. [PMID: 28482391 DOI: 10.3760/cma.j.issn.0578-1310.2017.05.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the clinical and immunological laboratory features, mutations in SH2D1A gene and SAP protein expression in four children of two families with X-linked lymphoproliferative disease type 1(XLP-1). Method: Four patients (Family A including Patient 1 and Patient 2, Family B including Patient 3 and Patient 4) and their maternal relatives were enrolled in this study. The clinical manifestation, EBV infection status and chest CT scan were analyzed. The absolute and relative numbers of lymphocyte subsets, T lymphocyte proliferative response, SAP protein expression were assessed by flow cytometry. Quantification of signal joint TCR rearrangementexcision circle (sjTRECs), CDR3 spectratyping of TCRvβ and gene mutation of SH2D1A were detected by PCR based on genomic DNA or cDNA. Result: Four male patients from two families were diagnosed with XLP-1. The ages of disease onset were more than 1 year, more than 1 year, more than 1 month and 6 months. The ages at diagnosis were nine years and ten months, sixteen years and eight months, fourteen years and ten months, four years and nine months. All patients had recurrent infections and EBV infection. Patients 1, 2, and 3 had agammaglobulinemia and Patient 4 had hypogammaglobulinemia. Chest CT scan showed all patients had atelectasis and pneumonia, and Patient 3 had bronchiectasis. Patient 3 was diagnosised as Burkitt lymphoma. For immunological function, all patients exhibited reduced CD4/CD8 ratios, increased numbers of exhausted T lymphocyte, decreased number of NK cell. The numbers of total B lymphocyte and naïve B lymphocyte were normal, but the number of memory B lymphocyte declined in all cases. Four patients' copy numbers of sjTRECs were low and CDR3 spectratypings of TCRvβ showed mildly skewed. But their T lymphocyte proliferative response was normal. SAP protein expression in four cases were measured by flow cytometry. Two patients from Family A were absent and two patients from Family B showed decreased values. SH2D1A gene sequence analysis showed that the patients of Family A harbored a nonsense mutation (c.163 C>T; p.R55X) in exon 2. Their mother and two sisters were carriers. A missense mutation of SH2D1A gene (c.278 G>A; p.G93D) in exon 3 was found in the patients of Family B. The mother was carrier. Four patients remain survived, Patient 3 gave up treatment, other three patients received IVIG therapy. Conclusion: Four patients with XLP-1 from two families characterized by agammaglobulinemia have an extreme vulnerability to Epstein-Barr virus (EBV) infection. The functions of T cell, B cell and NK cell are impaired at different stages. The detection of SAP protein and SH2D1A gene are the key methods for diagnosis of XLP-1.
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Affiliation(s)
- W Y Li
- Department of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation Base of Child Development and Critical Disorders. Chongqing Key Laboratory of Child Infection and Immunity, Chongqing 400014, China
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220
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Xu WJ, Li PF, Tang YY, Zhang WX, Xiong RG, Chen XM. A Molecular Perovskite with Switchable Coordination Bonds for High-Temperature Multiaxial Ferroelectrics. J Am Chem Soc 2017; 139:6369-6375. [DOI: 10.1021/jacs.7b01334] [Citation(s) in RCA: 206] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Wei-Jian Xu
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Peng-Fei Li
- Ordered
Matter Science Research Center, Southeast University, Nanjing 211189, China
| | - Yuan-Yuan Tang
- Ordered
Matter Science Research Center, Southeast University, Nanjing 211189, China
| | - Wei-Xiong Zhang
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Ren-Gen Xiong
- Ordered
Matter Science Research Center, Southeast University, Nanjing 211189, China
| | - Xiao-Ming Chen
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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221
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Chen YC, Liu JL, Lan Y, Zhong ZQ, Mansikkamäki A, Ungur L, Li QW, Jia JH, Chibotaru LF, Han JB, Wernsdorfer W, Chen XM, Tong ML. Cover Picture: Dynamic Magnetic and Optical Insight into a High Performance Pentagonal Bipyramidal Dy III
Single-Ion Magnet (Chem. Eur. J. 24/2017). Chemistry 2017. [DOI: 10.1002/chem.201700763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jun-Liang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yanhua Lan
- Institut Néel; CNRS & Université Joseph Fournier, BP 166; 25 rue des Martyrs 38042 Grenoble Cedex 9 France
| | - Zhi-Qiang Zhong
- Wuhan National High Magnetic Center; Huazhong University of Science and Technology; Wuhan 430074 P. R. China
| | - Akseli Mansikkamäki
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
- Department of Chemistry, Nanoscience Center; University of Jyväskylä; P. O. Box 35 40014 Jyväskylä Finland
| | - Liviu Ungur
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
- Theoretical Chemistry Group; Department of Chemistry; Lund University; Getingevagen 60 22201 Lund Sweden
| | - Quan-Wen Li
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jian-Hua Jia
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Liviu F. Chibotaru
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
| | - Jun-Bo Han
- Wuhan National High Magnetic Center; Huazhong University of Science and Technology; Wuhan 430074 P. R. China
| | - Wolfgang Wernsdorfer
- Institut Néel; CNRS & Université Joseph Fournier, BP 166; 25 rue des Martyrs 38042 Grenoble Cedex 9 France
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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222
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Xu YT, Xiao X, Ye ZM, Zhao S, Shen R, He CT, Zhang JP, Li Y, Chen XM. Cage-Confinement Pyrolysis Route to Ultrasmall Tungsten Carbide Nanoparticles for Efficient Electrocatalytic Hydrogen Evolution. J Am Chem Soc 2017; 139:5285-5288. [DOI: 10.1021/jacs.7b00165] [Citation(s) in RCA: 294] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Yan-Tong Xu
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiaofen Xiao
- Key
Laboratory for Polymeric Composite and Functional Materials of Ministry
of Education, Key Laboratory of High Performance Polymer-Based Composites
of Guangdong Province, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Zi-Ming Ye
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Shenlong Zhao
- CAS
Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center
for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China
| | - Rongan Shen
- Department
of Chemistry, Tsinghua University, Beijing 100084, China
| | - Chun-Ting He
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jie-Peng Zhang
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yadong Li
- Department
of Chemistry, Tsinghua University, Beijing 100084, China
| | - Xiao-Ming Chen
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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223
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Chen YC, Liu JL, Wernsdorfer W, Liu D, Chibotaru LF, Chen XM, Tong ML. Inside Cover: Hyperfine-Interaction-Driven Suppression of Quantum Tunneling at Zero Field in a Holmium(III) Single-Ion Magnet (Angew. Chem. Int. Ed. 18/2017). Angew Chem Int Ed Engl 2017. [DOI: 10.1002/anie.201702921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Jun-Liang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Wolfgang Wernsdorfer
- Institut Néel, CNRS &; Université Joseph Fournier; Grenoble Cedex 9 France
- Institute of Nanotechnology; Karlsruhe Institute of Technology; Germany
- Physikalisches Institut; Karlsruhe Institute of Technology; Germany
| | - Dan Liu
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Belgium
| | - Liviu F. Chibotaru
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Belgium
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
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224
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Chen YC, Liu JL, Wernsdorfer W, Liu D, Chibotaru LF, Chen XM, Tong ML. Innentitelbild: Hyperfine-Interaction-Driven Suppression of Quantum Tunneling at Zero Field in a Holmium(III) Single-Ion Magnet (Angew. Chem. 18/2017). Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702921] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Jun-Liang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Wolfgang Wernsdorfer
- Institut Néel, CNRS &; Université Joseph Fournier; Grenoble Cedex 9 France
- Institute of Nanotechnology; Karlsruhe Institute of Technology; Germany
- Physikalisches Institut; Karlsruhe Institute of Technology; Germany
| | - Dan Liu
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Belgium
| | - Liviu F. Chibotaru
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Belgium
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
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225
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Ye JW, Lin JM, Mo ZW, He CT, Zhou HL, Zhang JP, Chen XM. Mixed-Lanthanide Porous Coordination Polymers Showing Range-Tunable Ratiometric Luminescence for O 2 Sensing. Inorg Chem 2017; 56:4238-4243. [PMID: 28333452 DOI: 10.1021/acs.inorgchem.7b00252] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Luminescent porous coordination polymers (PCPs) are emerging as attractive oxygen-sensing materials, but they are mostly based on single-wavelength luminometry. Here, we report a special mixed-lanthanide strategy for self-referenced ratiometric oxygen sensing. A series of isostructural, pure-lanthanide, or mixed-lanthanide PCPs, MCF-53(Tb/Eux), were synthesized by solvothermal reactions. Single-crystal X-ray diffraction revealed that MCF-53(Tb/Eux) is composed of complicated two-dimensional coordination networks, which interdigitate to form a three-dimensional supramolecular structure retaining one-dimensional ultra-micropores. MCF-53(Tb/Eux) can undergo multiple single-crystal to single-crystal structural transformations upon desorption/adsorption of coordinative and lattice guest molecules, and the lanthanide metal ions are partially exposed on the pore surface at the guest-free state. Tb(III) ions are not luminescent and only act as separators between Eu(III) ions, and the Tb(III)/Eu(III) mixing ratio can tune the relative emission intensities, luminescence lifetimes of the Eu(III) phosphorescence, and the ligand fluorescence, giving rise to not only ratiometric photoluminescence oxygen sensing but also tunable emission-color-changing ranges.
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Affiliation(s)
- Jia-Wen Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University , Guangzhou 510275, China
| | - Jiao-Min Lin
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University , Guangzhou 510275, China
| | - Zong-Wen Mo
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University , Guangzhou 510275, China
| | - Chun-Ting He
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University , Guangzhou 510275, China
| | - Hao-Long Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University , Guangzhou 510275, China
| | - Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University , Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University , Guangzhou 510275, China
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226
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Chen YC, Liu JL, Wernsdorfer W, Liu D, Chibotaru LF, Chen XM, Tong ML. Hyperfine-Interaction-Driven Suppression of Quantum Tunneling at Zero Field in a Holmium(III) Single-Ion Magnet. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201701480] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Jun-Liang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Wolfgang Wernsdorfer
- Institut Néel, CNRS &; Université Joseph Fournier; Grenoble Cedex 9 France
- Institute of Nanotechnology; Karlsruhe Institute of Technology; Germany
- Physikalisches Institut; Karlsruhe Institute of Technology; Germany
| | - Dan Liu
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Belgium
| | - Liviu F. Chibotaru
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Belgium
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 P.R. China
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227
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Chen YC, Liu JL, Wernsdorfer W, Liu D, Chibotaru LF, Chen XM, Tong ML. Hyperfine-Interaction-Driven Suppression of Quantum Tunneling at Zero Field in a Holmium(III) Single-Ion Magnet. Angew Chem Int Ed Engl 2017; 56:4996-5000. [PMID: 28295930 DOI: 10.1002/anie.201701480] [Citation(s) in RCA: 147] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Indexed: 11/09/2022]
Abstract
An extremely rare non-Kramers holmium(III) single-ion magnet (SIM) is reported to be stabilized in the pentagonal-bipyramidal geometry by a phosphine oxide with a high energy barrier of 237(4) cm-1 . The suppression of the quantum tunneling of magnetization (QTM) at zero field and the hyperfine structures originating from field-induced QTMs can be observed even from the field-dependent alternating-current magnetic susceptibility in addition to single-crystal hysteresis loops. These dramatic dynamics were attributed to the combination of the favorable crystal-field environment and the hyperfine interactions arising from 165 Ho (I=7/2) with a natural abundance of 100 %.
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Affiliation(s)
- Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P.R. China
| | - Jun-Liang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P.R. China
| | - Wolfgang Wernsdorfer
- Institut Néel, CNRS &, Université Joseph Fournier, Grenoble Cedex 9, France.,Institute of Nanotechnology, Karlsruhe Institute of Technology, Germany.,Physikalisches Institut, Karlsruhe Institute of Technology, Germany
| | - Dan Liu
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Belgium
| | - Liviu F Chibotaru
- Theory of Nanomaterials Group and INPAC-Institute of Nanoscale Physics and Chemistry, Katholieke Universiteit Leuven, Belgium
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P.R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P.R. China
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228
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Chen YC, Liu JL, Lan Y, Zhong ZQ, Mansikkamäki A, Ungur L, Li QW, Jia JH, Chibotaru LF, Han JB, Wernsdorfer W, Chen XM, Tong ML. Dynamic Magnetic and Optical Insight into a High-Performance Pentagonal Bipyramidal DyIII
Single-Ion Magnet. Chemistry 2017. [DOI: 10.1002/chem.201700803] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jun-Liang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yanhua Lan
- Institut Néel; CNRS & Université Joseph Fournier, BP 166; 25 rue des Martyrs 38042 Grenoble Cedex 9 France
| | - Zhi-Qiang Zhong
- Wuhan National High Magnetic Center; Huazhong University of Science and Technology; Wuhan 430074 P. R. China
| | - Akseli Mansikkamäki
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
- Department of Chemistry, Nanoscience Center; University of Jyväskylä; P. O. Box 35 40014 Jyväskylä Finland
| | - Liviu Ungur
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
- Theoretical Chemistry Group; Department of Chemistry; Lund University; Getingevagen 60 22201 Lund Sweden
| | - Quan-Wen Li
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jian-Hua Jia
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Liviu F. Chibotaru
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
| | - Jun-Bo Han
- Wuhan National High Magnetic Center; Huazhong University of Science and Technology; Wuhan 430074 P. R. China
| | - Wolfgang Wernsdorfer
- Institut Néel; CNRS & Université Joseph Fournier, BP 166; 25 rue des Martyrs 38042 Grenoble Cedex 9 France
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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229
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Chen YC, Liu JL, Lan Y, Zhong ZQ, Mansikkamäki A, Ungur L, Li QW, Jia JH, Chibotaru LF, Han JB, Wernsdorfer W, Chen XM, Tong ML. Dynamic Magnetic and Optical Insight into a High Performance Pentagonal Bipyramidal DyIII
Single-Ion Magnet. Chemistry 2017; 23:5708-5715. [DOI: 10.1002/chem.201606029] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Yan-Cong Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jun-Liang Liu
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Yanhua Lan
- Institut Néel; CNRS & Université Joseph Fournier, BP 166; 25 rue des Martyrs 38042 Grenoble Cedex 9 France
| | - Zhi-Qiang Zhong
- Wuhan National High Magnetic Center; Huazhong University of Science and Technology; Wuhan 430074 P. R. China
| | - Akseli Mansikkamäki
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
- Department of Chemistry, Nanoscience Center; University of Jyväskylä; P. O. Box 35 40014 Jyväskylä Finland
| | - Liviu Ungur
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
- Theoretical Chemistry Group; Department of Chemistry; Lund University; Getingevagen 60 22201 Lund Sweden
| | - Quan-Wen Li
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Jian-Hua Jia
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Liviu F. Chibotaru
- Theory of Nanomaterials Group, and; INPAC-Institute of Nanoscale Physics and Chemistry; Katholieke Universiteit Leuven; Celestijnenlaan 200F 3001 Leuven Belgium
| | - Jun-Bo Han
- Wuhan National High Magnetic Center; Huazhong University of Science and Technology; Wuhan 430074 P. R. China
| | - Wolfgang Wernsdorfer
- Institut Néel; CNRS & Université Joseph Fournier, BP 166; 25 rue des Martyrs 38042 Grenoble Cedex 9 France
| | - Xiao-Ming Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
| | - Ming-Liang Tong
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education; School of Chemistry and Chemical Engineering; Sun Yat-Sen University; Guangzhou 510275 P. R. China
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230
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Shen JQ, Liao PQ, Zhou DD, He CT, Wu JX, Zhang WX, Zhang JP, Chen XM. Modular and Stepwise Synthesis of a Hybrid Metal–Organic Framework for Efficient Electrocatalytic Oxygen Evolution. J Am Chem Soc 2017; 139:1778-1781. [DOI: 10.1021/jacs.6b12353] [Citation(s) in RCA: 282] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jian-Qiang Shen
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Dong-Dong Zhou
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Chun-Ting He
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jun-Xi Wu
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wei-Xiong Zhang
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic
and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China
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231
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Hu ZL, Li N, Wei X, Tang L, Wang TH, Chen XM. Neuroprotective effects of BDNF and GDNF in intravitreally transplanted mesenchymal stem cells after optic nerve crush in mice. Int J Ophthalmol 2017; 10:35-42. [PMID: 28149774 DOI: 10.18240/ijo.2017.01.06] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2016] [Accepted: 09/04/2016] [Indexed: 02/05/2023] Open
Abstract
AIM To assess the neuro-protective effect of bone marrow mesenchymal stem cells (BMSCs) on retinal ganglion cells (RGCs) following optic nerve crush in mice. METHODS C56BL/6J mice were treated with intravitreal injection of PBS, BMSCs, BDNF-interference BMSCs (BIM), and GDNF-interference BMSCs (GIM) following optic nerve crush, respectively. The number of surviving RGCs was determined by whole-mount retinas and frozen sections, while certain mRNA or protein was detected by q-PCR or ELISA, respectively. RESULTS The density (cell number/mm2) of RGCs was 410.77±56.70 in the retina 21d after optic nerve crush without any treatment, compared to 1351.39±195.97 in the normal control (P<0.05). RGCs in BMSCs treated eyes was 625.07±89.64/mm2, significantly higher than that of no or PBS treatment (P<0.05). While RGCs was even less in the retina with intravitreal injection of BIM (354.07+39.77) and GIM (326.67+33.37) than that without treatment (P<0.05). BMSCs injection improved the internal BDNF expression in retinas. CONCLUSION Optic nerve crush caused rust loss of RGCs and intravitreally transplanted BMSCs at some extent protected RGCs from death. The effect of BMSCs and level of BDNF in retinas are both related to BDNF and GDNF expression in BMSCs.
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Affiliation(s)
- Zong-Li Hu
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Ni Li
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Xin Wei
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Li Tang
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Ting-Hua Wang
- Institute of Neurological Disease, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
| | - Xiao-Ming Chen
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China
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232
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Ding Y, Zhang Y, Wang YP, Zhao HY, Chen XM, Xue XH, Bai XM, An YF, Zhang ZY, Tang XM, Zhao XD. [Clinical and immunological analysis of the patient with autoimmunity due to germline STAT3 gain-of-function mutation]. Zhonghua Er Ke Za Zhi 2017; 55:30-36. [PMID: 28072956 DOI: 10.3760/cma.j.issn.0578-1310.2017.01.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Objective: To investigate the clinical and immunological laboratory features and gene mutation in a female patient who carried a germline gain-of-function mutation in STAT3. Method: A patient with lymphadenopathy and pancytopenia, visited the Department of Rheumatology and Immunology of Children's Hospital of Chongqing Medical University in May 2016. The clinical and laboratory characteristics, results of immunophenotyping and exome sequencing were analyzed retrospectively and related literature was reviewed. Result: The patient was a four years old girl. The clinical manifestation consisted of autoimmune pancytopenia, lymphadenopathy and recurrent infections. Multiple exams showed that peripheral blood leukocyte count was (2.2-4.9)×109/L, red blood cell count was (2.09-5.75)×109/L, hemoglobin level was 64-165 g/L, platelet count was (52-138) ×109/L. Percentages of lymphocyte subsets showed that CD3+ T lymphocyte was 0.716 0 (CD4+ T lymphocyte was 0.326 0, CD8+ T lymphocyte was 0.323 0 and CD4- CD8-T TCRαβ+ lymphocyte was 0.029 0), CD19+ B lymphocyte was 0.235 0 (transitional B was 0.004 3), NK was 0.032 0. Percentages of CD4+ T lymphocyte release IL-4, IFN-γ, IL-17 and IL-21 were 0.014 9, 0.213, 0.024 0 and 0.021 0, respectively. Lymphocyte proliferation function and TCRVβ diversity were normal. The serum immunoglobulin levels were 16.4 g/L (IgG), 1.53 g/L (IgA), 3.99 g/L (IgM) and 3.20 kU/L (IgE). The patient carried a missense variant in the 21st exon of STAT3, c. 1974G>C, p.K658N, which was previously described as a gain-of-function mutation. The patient was treated with methylprednisolone and prednisone intermittently. There were significant improvements of hepatosplenomegaly, lymphadenopathy and pancytopenia. We searched internal database and literature for cases with gain-of-function mutations in STAT3. A total of 19 cases were identified, all were non-Chinese. Among 16 cases who had clinical data, age of onset of 11 patients was less than 5 years. 14 cases had autoimmune hemolytic anemia, autoimmune thrombocytopenia or autoimmune neutropenia. Twelve patients had lymphadenopathy while 11 had infections and 5 had endocrine abnormalities. Conclusion: The patient with Primary immunodeficiency disease (PID) due to gain-of-function mutation in STAT3 gene often has early-onset autoimmune disorders, lymphadenopathy and recurrent infections. Since the routine immunological examination may be normal or slightly abnormal, comprehensive evaluation of immune function should be done. Genetic testing ultimately helps to confirm the diagnosis.
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Affiliation(s)
- Y Ding
- Department of Rheumatology and Immunology, Children's Hospital of Chongqing Medical University, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Child Infection and Immunity, Chongqing 400014, China
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233
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Huang B, Sun LY, Wang SS, Zhang JY, Ji CM, Luo JH, Zhang WX, Chen XM. A near-room-temperature organic–inorganic hybrid ferroelectric: [C6H5CH2CH2NH3]2[CdI4]. Chem Commun (Camb) 2017; 53:5764-5766. [DOI: 10.1039/c7cc02408h] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The features of synchronously switchable dielectric constant, SHG, and pyroelectric current provide a promising multifunctional switching material applied in the field of electrical/optical switches and sensors at near room temperature.
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Affiliation(s)
- Bo Huang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- China
| | - Lin-Ying Sun
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- China
| | - Sha-Sha Wang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- China
| | - Jian-Yu Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- China
| | - Cheng-Min Ji
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- China
| | - Jun-Hua Luo
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- China
| | - Wei-Xiong Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou
- China
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234
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Su YJ, Wei KX, Huang B, Xu WJ, Zhang WX, Zeng MH, Chen XM. Deformable Mn(iii)–Schiff-base dimer for anomalously large positive and negative anisotropic thermal expansions. CrystEngComm 2017. [DOI: 10.1039/c7ce00292k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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235
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Chen XM, Li J, Zhang XY, Jin YB, Yu D, Sun XL, Wu LJ, He J, Li ZG. [Significance of different T follicular helper subsets in rheumatoid arthritis]. Beijing Da Xue Xue Bao Yi Xue Ban 2016; 48:958-963. [PMID: 27987497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To detect the expressions of T follicular helper (Tfh) subsets and T follicular helper effect memory (Tfhem) cells in circulation of patients with rheumatoid arthritis (RA), as well as to examine their roles in providing biomarkers for active RA. METHODS This study enrolled 41 patients with RA, who were navely-treated or had no application of hormone and disease-modifying anti-rheumatic drugs in recent 3 months, as well as 32 healthy controls. The percentages of Tfhem (CD4+CXCR5+CCR7lowPD1high) cells, Tfh (CD3+CD4+CXCR5+CD45RA-) subsets, Tfh1 (CXCR3+CCR6-Tfh),Tfh2 (CXCR3-CCR6-Tfh),and Tfh17 (CXCR3-CCR6+Tfh), were determined by flow cytometry of peripheral blood from the patients with RA and health controls. Serum levels of cytokines were detected by enzyme-linked immunosorbent (ELISA). The correlations of Tfhem/Tfh subsets with clinical indicators were analyzed. RESULTS The mean age of the patients was (56.1±14.0) years (range: 20-82 years), the mean disease duration was (8.2±8.1) years. There was no significant difference between the RA patients and the health controls with age and gender. As compared with the health control, the percentage of Tfhem was significantly increased in the peripheral blood of the RA patients (12.8%±5.7% vs. 8.7%±2.0%, P=0.001). Moreover, the increased Tfhem was correlated with the higher disease activity score in 28 joints (DAS28) and erythrocyte sedimentation rate (ESR), but not with other clinical indicators, such as C-reactive protein (CRP), anti-cyclic citrullinated peptide (CCP) antibodies, and rheumatoid factors (RF). In addition, the percentage of Tfh2 subset, but not Tfh1 or Tfh17, was significantly increased in the RA patients (3.002%±0.408% vs. 1.730%±0.160%, P=0.013). As compared with Tfh2-low group, serum levels of Ig (immunoglobulin) A [(3.045±0.261) g/L vs.(3.963±0.815) g/L, P=0.172], IgG [(13.800±0.862) g/L vs.(16.980±0.224) g/L, P=0.161], IgM [(1.135±0.083) g/L vs.(1.731±0.380) g/L, P=0.140], IL (interleukin)-4 [(2.322±0.214) ng/L vs.(3.994±0.751) ng/L, P=0.056] and IL-10[(1.898±0.105) ng/L vs. (3.125±0.880) ng/L, P=0.140] in Tfh2-high group tended to increase with no significant statistical difference. CONCLUSION Our data suggest that Tfhem is associated with disease activity and is a valuable marker for active RA. It also presents a potential pathogenesis in the development of RA and the target for future therapies. Meanwhile, the increased Tfh2 and associated cytokines might be involved in the development of RA.
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Affiliation(s)
- X M Chen
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China; Department of Rheumatology and Immunology, The People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, China
| | - J Li
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - X Y Zhang
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Y B Jin
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - D Yu
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - X L Sun
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - L J Wu
- Department of Rheumatology and Immunology, The People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, 830001, China
| | - J He
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
| | - Z G Li
- Department of Rheumatology and Immunology, Peking University People's Hospital, Beijing, 100044, China
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236
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Zhang QQ, Chen XM, Wang YF, Wang K, Wang CY. [Evaluation of 8 cases of bilateral vocal cord paralysis by the resection of posterior part of vocal cord and vocal process using PMOD]. Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi 2016; 51:939-940. [PMID: 27978886 DOI: 10.3760/cma.j.issn.1673-0860.2016.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Affiliation(s)
- Q Q Zhang
- Department of Otorhinolaryngology, Yuhuangding Hospital, Yantai 264000, China(Zhang QQ, Chen XM, Wang YF, Wang K, Wang CY)
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237
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Qin L, Yu YZ, Liao PQ, Xue W, Zheng Z, Chen XM, Zheng YZ. A "Molecular Water Pipe": A Giant Tubular Cluster {Dy 72 } Exhibits Fast Proton Transport and Slow Magnetic Relaxation. Adv Mater 2016; 28:10772-10779. [PMID: 28000959 DOI: 10.1002/adma.201603381] [Citation(s) in RCA: 130] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Revised: 09/12/2016] [Indexed: 06/06/2023]
Abstract
A lanthanide cluster, PCC-72, which is the second largest, with 72 Dy(III) ions assembled into an unprecedented tubular structure, is synthesized. Remarkably, PCC-72 exhibits superionic proton conductivity (>10-4 S cm-1 ) under both ambient (with relative humidity RH < 75%) and hot (T > 90 °C, RH = 95%) conditions. Moreover, slow magnetic relaxation is observed, making PCC-72 the largest Dy(III) cluster that is a single-molecule magnet.
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Affiliation(s)
- Lei Qin
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, 710054, P. R. China
| | - You-Zhu Yu
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, 710054, P. R. China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Wei Xue
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Zhiping Zheng
- Department of Chemistry and Biochemistry, The University of Arizona, Tucson, AZ, 85721, USA
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, P. R. China
| | - Yan-Zhen Zheng
- Frontier Institute of Science and Technology (FIST), Xi'an Jiaotong University, Xi'an, 710054, P. R. China
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238
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Liu SY, Zhou DD, He CT, Liao PQ, Cheng XN, Xu YT, Ye JW, Zhang JP, Chen XM. Flexible, Luminescent Metal-Organic Frameworks Showing Synergistic Solid-Solution Effects on Porosity and Sensitivity. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201608439] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Si-Yang Liu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Dong-Dong Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Chun-Ting He
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Xiao-Ning Cheng
- Instrumental Analysis and Research Center; Sun Yat-Sen University; Guangzhou 510275 China
| | - Yan-Tong Xu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Jia-Wen Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
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Liu SY, Zhou DD, He CT, Liao PQ, Cheng XN, Xu YT, Ye JW, Zhang JP, Chen XM. Flexible, Luminescent Metal-Organic Frameworks Showing Synergistic Solid-Solution Effects on Porosity and Sensitivity. Angew Chem Int Ed Engl 2016; 55:16021-16025. [DOI: 10.1002/anie.201608439] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Si-Yang Liu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Dong-Dong Zhou
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Chun-Ting He
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Xiao-Ning Cheng
- Instrumental Analysis and Research Center; Sun Yat-Sen University; Guangzhou 510275 China
| | - Yan-Tong Xu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Jia-Wen Ye
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry, School of Chemistry; Sun Yat-Sen University; Guangzhou 510275 China
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240
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Li SY, Zhou M, Lai YX, Geng YM, Cao SS, Chen XM. [Biological evaluation of three-dimensional printed co-poly lactic acid/glycolic acid/tri-calcium phosphate scaffold for bone reconstruction]. Zhonghua Kou Qiang Yi Xue Za Zhi 2016; 51:661-666. [PMID: 27806758 DOI: 10.3760/cma.j.issn.1002-0098.2016.11.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To biologically evaluate the three-dimensional(3D) printed co-poly lactic acid/glycolic acid/tri-calcium phosphate(PLGA/TCP) scaffold which could be used for repairing oral and maxillofacial bone defects, and to provide experimental evidence for its further research and clinical application. Methods: PLGA/TCP scaffolds were fabricated using low temperature rapid prototyping technique. Micro-CT and scanning electron microscope(SEM) were used to characterize the surface morphology. MC3T3-E1 cells were seeded onto the scaffold and stained with the rhodamine phalloidin and calcein acetomethoxy. After that, confocal laser scanning microscope was exploited to observe the features and viability of the cells. Moreover, the cells were co-cultured with the extract of PLGA/TCP and complete medium, respectively. The proliferation capability of the cells was assessed by the cell counting kit-8 (CCK-8) on the 1st, 2nd, and 3rd day. The PLGA/TCP scaffolds incorporated with recombinant human bone morphogenetic protein-2(rhBMP-2) of 0, 30, 60 μg(i.e. blank control group, low-dose group and high-dose group) were implanted into the latissimus dorsi muscle of the rats, and 6 weeks later, the samples were harvested to estimate the volume and pattern of new bone. Results: The 3D printed PLGA/TCP scaffold possessed a regular and well-defined porous stereo-structure with porosity of (73±3)%. Micro-CT and SEM showed that pore size were (379±32) and (453±29) μm respectively, and distance between layers were (452± 24) and (415±25) μm, and cylinder diameter were (342±24) and (350±28) μm. It also exhibited excellent cell adhesion and growth ability on the exterior and inner surface through rhodamine phalloidin and calcein acetomethoxy staining. The CCK-8 test demonstrated that the absorbance value of extract group on the 1st and 2nd day(0.51±0.08 and 0.63±0.09) were significantly higher than those in the blank control group(0.39± 0.05 and 0.53±0.05)(P<0.05), while there was no significant difference between the extract group(0.67±0.06) and the blank control group(0.68±0.04)(P>0.05) on the 3rd day. For in vivo test, there was obvious ectopic new bone formation on the PLGA/TCP scaffold incorporated with rhBMP-2, and this was demonstrated using the histological examination and micro-CT. The bone formation in the low-dose group was similar to the shape of the pre-implanted 3D printed scaffold, while much diversity was revealed in the high-dose group duo to over osteogenesis which was validated by the examinations of gross observation, histology and micro-CT. Conclusions: Customized PLGA/TCP scaffolds can be manufactured by 3D printing technique. The scaffold showed an excellent biocompatibility and ectopic osteogenesis when incorporated with rhBMP-2. However, further research is needed to validate it's effect on repairment of the oral and maxillofacial bone defects.
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Affiliation(s)
- S Y Li
- Digital Dental Center, Stomatology Hospital of Guangzhou Medical University & Guangzhou Institute of Oral Disease & Key Laboratory of Oral Medicine, Guangzhou 510140, China
| | - M Zhou
- Digital Dental Center, Stomatology Hospital of Guangzhou Medical University & Guangzhou Institute of Oral Disease & Key Laboratory of Oral Medicine, Guangzhou 510140, China
| | - Y X Lai
- Translational Medicine Research and Development Centre, Institute of Biomedical and Health Engineering, Shenzhen Institute of Advanced Technology, The Chinese Academy of Sciences, Shenzhen Guangdong 518055, China
| | - Y M Geng
- Department of Stomatology, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - S S Cao
- Digital Dental Center, Stomatology Hospital of Guangzhou Medical University & Guangzhou Institute of Oral Disease & Key Laboratory of Oral Medicine, Guangzhou 510140, China
| | - X M Chen
- Department of Biomedical Engineering, Guangzhou Medical University, Guangzhou 511436, China
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241
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Esvelt Klos K, Gordon T, Bregitzer P, Hayes P, Chen XM, Del Blanco IA, Fisk S, Bonman JM. Barley Stripe Rust Resistance QTL: Development and Validation of SNP Markers for Resistance to Puccinia striiformis f. sp. hordei. Phytopathology 2016; 106:1344-1351. [PMID: 27213558 DOI: 10.1094/phyto-09-15-0225-r] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Quantitative trait loci (QTL) for barley stripe rust resistance were mapped in recombinant inbred lines (RIL) from a 'Lenetah' × 'Grannelose Zweizeilige' (GZ) cross. GZ is known for a major seedling resistance QTL on chromosome 4H but linked markers suitable for marker-assisted selection have not been developed. This study identified the 4H QTL (log of the likelihood [LOD] = 15.94 at 97.19 centimorgans [cM]), and additional QTL on chromosomes 4H and 6H (LOD = 5.39 at 72.7 cM and 4.24 at 34.46 cM, respectively). A QTL on chromosome 7H (LOD = 2.04 at 81.07 cM) was suggested. All resistance alleles were derived from GZ. Evaluations of adult plant response in Corvallis, OR in 2013 and 2015 provided evidence of QTL at the same positions. However, the minor QTL on 4H was not statistically significant in either location/year, while the 7H QTL was significant in both. The single-nucleotide polymorphism markers flanking the resistance QTL were validated in RIL from a '95SR316A' × GZ cross for their ability to predict seedling resistance. In 95SR316A × GZ, 91 to 92% of RIL with GZ alleles at the major 4H QTL and at least one other were resistant to moderate in reaction. In these populations, at least two QTL were required to transfer the barley stripe rust resistance from GZ.
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Affiliation(s)
- K Esvelt Klos
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
| | - T Gordon
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
| | - P Bregitzer
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
| | - P Hayes
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
| | - X M Chen
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
| | - I A Del Blanco
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
| | - S Fisk
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
| | - J M Bonman
- First, second, third, and eighth authors: Agricultural Research Service, United States Department of Agriculture (USDA), Aberdeen, ID 83210; fourth and seventh authors: Department of Crop and Soil Science, Oregon State University, Corvallis 97331; fifth author: USDA Agricultural Research Service, Pullman, WA 99164; and sixth author: Department of Plant Sciences, University of California, Davis 95616
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242
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Sun YZ, Huang B, Xu WJ, Zhou DD, Chen SL, Zhang SY, Du ZY, Xie YR, He CT, Zhang WX, Chen XM. Plastic Crystals with Polar Halochromate Anion: Thermosensitive Dielectrics Based upon Plastic Transition and Dipole Rotation. Inorg Chem 2016; 55:11418-11425. [DOI: 10.1021/acs.inorgchem.6b01911] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Yu-Zhi Sun
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Bo Huang
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wei-Jian Xu
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Dong-Dong Zhou
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Shao-Li Chen
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Shi-Yong Zhang
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Zi-Yi Du
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Yong-Rong Xie
- Key
Laboratory of Jiangxi University for Functional Materials Chemistry,
College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Chun-Ting He
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Wei-Xiong Zhang
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Xiao-Ming Chen
- MOE
Key Laboratory of Bioinorganic and Synthetic Chemistry, School of
Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China
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243
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Chen XM, Li FQ, Yan S, Wu XC, Tang CL. [Nicotine alleviates the liver inflammation of non-alcoholic steatohepatitis induced by high-fat and high-fructose in mice]. Beijing Da Xue Xue Bao Yi Xue Ban 2016; 48:777-782. [PMID: 27752155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To investigate the anti-inflammation effects by activation of the cholinergic anti-inflammatory pathway and its mechanisms in non-alcoholic steatohepatitis (NASH) model mice. METHODS 6-week-old male C57BL/6J (B6) mice were randomly divided into four groups: the first group was normal mice, injected with saline; the second group was normal mice, injected with nicotine; the third group was NASH model mice, injected with saline; the fourth group was NASH model mice, injected with nicotine. The experimental mice were fed with either standard chow (SC) or high-fat and high-fructose (HFHF) for 17 weeks to generate an NASH model mice. The mice received injection once daily for 3 weeks [nicotine dose, 400 μg/kg]. Then, their pathological characteristics and function of the liver were assessed. The expressions of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) in serum were analyzed by enzyme linked immunosorbent assay (ELISA). The expressions of alpha 7 nicotinic acetylcholine receptors (α7nAChR), Toll-like receptors-4 (TLR-4) and nuclear factor κB of phosphory-lation (p-NF-κB) in Kupffer cells were determined by Western blot and immunofluorescence assays. RESULTS We successfully generated NASH model mice by imitating the high-fat and high-fructose dietary style of NASH patients. The results of our investigation demonstrated that nicotine could reduce significantly the levels of IL-6, and TNF-α in serum (P<0.05). The expression of p-NF-κB protein in the group which was NASH model mice injected with nicotine declined significantly as compared with the group which was NASH model mice injected with saline (P<0.05). And the expression of α7nAChR protein elevated significantly conversely (P<0.05). CONCLUSION Activation of the cholinergic anti-inflammatory pathway could inhibit the release of inflammatory factors as TNF-α and IL-6 in NASH model mice, and the mechanism for the inhibition of inflammatory was mediated by NF-κB pathway.
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Affiliation(s)
- X M Chen
- Department of Liver Disease, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou 310005, China
| | - F Q Li
- Department of Liver Disease, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou 310005, China
| | - S Yan
- Department of Endoscopic Surgery, The First Affiliated Hospital of Whenzhou Medical University, Wenzhou 325000, Zhejiang, China
| | - X C Wu
- Department of Liver Disease, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou 310005, China
| | - C L Tang
- Department of Liver Disease, The Second Affiliated Hospital, Zhejiang Chinese Medical University, Hangzhou 310005, China
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244
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Chen XM, Thampy V, Mazzoli C, Barbour AM, Miao H, Gu GD, Cao Y, Tranquada JM, Dean MPM, Wilkins SB. Remarkable Stability of Charge Density Wave Order in La_{1.875}Ba_{0.125}CuO_{4}. Phys Rev Lett 2016; 117:167001. [PMID: 27792368 DOI: 10.1103/physrevlett.117.167001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Indexed: 06/06/2023]
Abstract
The occurrence of charge-density-wave (CDW) order in underdoped cuprates is now well established, although the precise nature of the CDW and its relationship with superconductivity is not. Theoretical proposals include contrasting ideas such as that pairing may be driven by CDW fluctuations or that static CDWs may intertwine with a spatially modulated superconducting wave function. We test the dynamics of CDW order in La_{1.825}Ba_{0.125}CuO_{4} by using x-ray photon correlation spectroscopy at the CDW wave vector, detected resonantly at the Cu L_{3} edge. We find that the CDW domains are strikingly static, with no evidence of significant fluctuations up to 2 ¾ h. We discuss the implications of these results for some of the competing theories.
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Affiliation(s)
- X M Chen
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - V Thampy
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - C Mazzoli
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - A M Barbour
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - H Miao
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - G D Gu
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - Y Cao
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - J M Tranquada
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - M P M Dean
- Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, Upton, New York 11973, USA
| | - S B Wilkins
- National Synchrotron Light Source II, Brookhaven National Laboratory, Upton, New York 11973, USA
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245
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Zhao XG, Liu P, Song YC, Zhang AP, Chen XM, Zhou JP. Retraction: Origin of colossal permittivity in (In1/2Nb1/2)TiO2via broadband dielectric spectroscopy. Phys Chem Chem Phys 2016; 18:26310. [PMID: 27604689 DOI: 10.1039/c6cp90224c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Retraction of 'Origin of colossal permittivity in (In1/2Nb1/2)TiO2via broadband dielectric spectroscopy' by Xiao-gang Zhao et al., Phys. Chem. Chem. Phys., 2015, 17, 23132-23139.
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Affiliation(s)
- Xiao-Gang Zhao
- College of Physics and Information Technology, Shaanxi Normal University, Xi'an, 710062, China.
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246
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Feng S, Chen XM, Wang JF, Xu XQ. Th17 cells associated cytokines and cancer. Eur Rev Med Pharmacol Sci 2016; 20:4032-4040. [PMID: 27775796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Cancer is one of the most common malignant tumors, which is a serious threat to human life. However, the etiology of cancer is not entirely clear. Under the action of tumorigenic factors, tissue cells lose normal regulation, resulting in abnormal proliferation and differentiation, so as to form a tumor. Cytokines promote the development of chronic inflammation, which may affect the development of cancer, and Th17 cells are a kind of immune cells which are closely related to the tumor. Therefore, this article focused on the role of Th17 cells and its related cytokines in tumor, which is very important for understanding the mechanism of tumor development. This will provide a direction for immunotherapy and gene-targeted therapy of cancer.
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Affiliation(s)
- S Feng
- School of Medicine and Life Sciences, University of Jinan-Shandong Academy of Medical Sciences, Jinan, Shandong, P.R. China.
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247
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Xiang C, Feng JY, Wang MN, Chen XM, See DR, Wan AM, Wang T. Molecular Mapping of Stripe Rust Resistance Gene Yr76 in Winter Club Wheat Cultivar Tyee. Phytopathology 2016; 106:1186-1193. [PMID: 27050567 DOI: 10.1094/phyto-01-16-0045-fi] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Tyee, one of the wheat cultivars used to differentiate races of Puccinia striiformis f. sp. tritici in the United States, was identified to have a single gene for all-stage resistance, tentatively named YrTye. To map the gene, Tyee was crossed with 'Avocet Susceptible' (AvS). Genetic analysis of the F1, F2, F2:3, and BC1 progenies confirmed a single dominant gene for resistance to race PSTv-37 that is avirulent to YrTye. A mapping population of 135 F2 plants was phenotyped with PSTv-37 and the derived F2:3 lines were tested with races PSTv-37, PSTv-40, and PSTv-79. The F2 mapping population was genotyped with simple sequence repeat (SSR) markers. A genetic map comprising 13 SSR markers located YrTye in chromosome 3AS flanked distally by SSR marker wmc11 and proximally by wmc532 at 2.6 and 3.4 cM, respectively. Amplification of Chinese Spring 3A deletion lines placed the gene in the distal bin 3AS4-0.45 to 1.00. Because YrTye is different from all formally named Yr genes in chromosomal location, we permanently name the gene Yr76. A near-isogenic line of spring common wheat was developed and selected by testing F3 lines derived from a AvS*4/Tyee cross with Tyee-avirulent and virulent races and the flanking markers. The specific SSR alleles flanking Yr76 were validated using cultivars and breeding lines with and without the gene, and showed high polymorphisms. The specificity of Yr76 is useful in differentiating P. striiformis f. sp. tritici races, and its tightly linked markers will be useful in developing resistant cultivars when combining the gene with other genes for resistance to stripe rust.
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Affiliation(s)
- C Xiang
- First and seventh authors: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China; first, second, third, fourth, fifth, and sixth authors: Department of Plant Pathology, Washington State University, Pullman 99164-6430; second author: Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan 610061, China; and fourth and fifth authors: U.S. Department Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430
| | - J Y Feng
- First and seventh authors: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China; first, second, third, fourth, fifth, and sixth authors: Department of Plant Pathology, Washington State University, Pullman 99164-6430; second author: Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan 610061, China; and fourth and fifth authors: U.S. Department Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430
| | - M N Wang
- First and seventh authors: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China; first, second, third, fourth, fifth, and sixth authors: Department of Plant Pathology, Washington State University, Pullman 99164-6430; second author: Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan 610061, China; and fourth and fifth authors: U.S. Department Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430
| | - X M Chen
- First and seventh authors: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China; first, second, third, fourth, fifth, and sixth authors: Department of Plant Pathology, Washington State University, Pullman 99164-6430; second author: Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan 610061, China; and fourth and fifth authors: U.S. Department Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430
| | - D R See
- First and seventh authors: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China; first, second, third, fourth, fifth, and sixth authors: Department of Plant Pathology, Washington State University, Pullman 99164-6430; second author: Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan 610061, China; and fourth and fifth authors: U.S. Department Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430
| | - A M Wan
- First and seventh authors: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China; first, second, third, fourth, fifth, and sixth authors: Department of Plant Pathology, Washington State University, Pullman 99164-6430; second author: Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan 610061, China; and fourth and fifth authors: U.S. Department Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430
| | - T Wang
- First and seventh authors: Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, Sichuan 610041, China; first, second, third, fourth, fifth, and sixth authors: Department of Plant Pathology, Washington State University, Pullman 99164-6430; second author: Biotechnology and Nuclear Technology Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan 610061, China; and fourth and fifth authors: U.S. Department Agriculture, Agricultural Research Service, Wheat Health, Genetics, and Quality Research Unit, Pullman, WA 99164-6430
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248
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Gui HB, Du XG, Fu ZH, Chen XM. Influence of interleukin-18 gene polymorphisms on acute pancreatitis susceptibility in a Chinese population. Genet Mol Res 2016; 15:gmr8394. [PMID: 27706625 DOI: 10.4238/gmr.15038394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
We investigate the relationship between IL-18 -607C/A and -137G/C genetic polymorphisms and development of acute pancreatitis in a Chinese population. A total of 153 patients were consecutively recruited from the First Affiliated Hospital of Chongqing Medical University between January 2013 and November 2014. Genotyping of IL-18 -607C/A and -137G/C variants was performed using the polymerase chain reaction-restriction fragment length polymorphism method. We observed a significant difference between acute pancreatitis patients and control subjects with respect to age (t = 2.15, P = 0.02), gender (chi-square = 3.95, P = 0.04), body mass index (t = 5.85, P < 0.001), and alcohol consumption (chi-square = 9.74, P = 0.002). Using chi-square tests, we found that the genotype distributions of IL-18 -607C/A (chi-square = 0.81, P = 0.67) and -137G/C (chi-square = 1.16, P = 0.56) polymorphisms did not differ between the acute pancreatitis and control groups. Genotype frequencies of these variants were consistent with Hardy-Weinberg equilibrium in both patient and control groups. In addition, logistic regression analysis failed to identify a significant association between these polymorphisms and acute pancreatitis risk. Our study firstly examined their association in a Chinese population, and we suggest that the IL-18 -607C/A and -137G/ C polymorphisms do not influence susceptibility to acute pancreatitis in the Chinese population studied in the present study.
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Affiliation(s)
- H B Gui
- Department of Emergency, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - X G Du
- Department of Nephrology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Z H Fu
- Department of Prosthodontics, The Affiliated Hospital of Stomatology, Chongqing Medical University, Chongqing, China
| | - X M Chen
- Department of Emergency, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Abstract
The aim of this study was to evaluate the effects of miR-26a on Beclin 1 expression in retinoblastoma (RB) cell lines (Y79 and WERi-RB-1). RB cells were transfected with miR-26a mimic, antagomir-26a, or control mimic. The Beclin 1 mRNA and protein levels were detected by quantitative polymerase chain reaction and western blot, respectively. The activity of Beclin 1 3ꞌ-UTR reporter gene was detected with the luciferase assay. After transfection with miR-26a mimic, Beclin 1 mRNA and protein levels as well as the activity of the 3'-UTR reporter gene decreased. However, all were increased upon inhibition of miR-26a with antagomir-26a. Beclin 1 is the target of miR-26a in human RB cell lines Y79 and WERi-RB-1, and miR-26a inhibits the expression of Beclin 1 by reducing its mRNA and protein levels.
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Affiliation(s)
- M Li
- Department of Ophthalmology, West China Hospital of Sichuan University, Chengdu, Sichuan, China.,Department of Ophthalmology, AVIC 363 Hospital of Chengdu, Chengdu, Sichuan, China
| | - X M Chen
- Department of Ophthalmology, West China Hospital of Sichuan University, Chengdu, Sichuan, China
| | - D M Wang
- Department of Ophthalmology, AVIC 363 Hospital of Chengdu, Chengdu, Sichuan, China
| | - L Gan
- Department of Ophthalmology, AVIC 363 Hospital of Chengdu, Chengdu, Sichuan, China
| | - Y Qiao
- Department of Ophthalmology, AVIC 363 Hospital of Chengdu, Chengdu, Sichuan, China
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Liao PQ, Chen XW, Liu SY, Li XY, Xu YT, Tang M, Rui Z, Ji H, Zhang JP, Chen XM. Putting an ultrahigh concentration of amine groups into a metal-organic framework for CO 2 capture at low pressures. Chem Sci 2016; 7:6528-6533. [PMID: 27928493 PMCID: PMC5125374 DOI: 10.1039/c6sc00836d] [Citation(s) in RCA: 155] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Accepted: 06/19/2016] [Indexed: 12/22/2022] Open
Abstract
Hydrazine can be grafted in CPO-27-Mg/MOF-74-Mg to provide an ultrahigh concentration of amine groups on the pore surface, giving an exceptionally high CO2 capture performance, especially at extremely low pressures.
Tremendous efforts have been devoted to increasing the CO2 capture performance of porous materials, especially for low CO2 concentration environments. Here, we report that hydrazine can be used as a diamine short enough to functionalize the small-pore metal–organic framework [Mg2(dobdc)] (H4dobdc = 2,5-dihydroxyl-1,4-benzenedicarboxylic acid). By virtue of the ultrahigh concentration of free amine groups (6.01 mmol g–1 or 7.08 mmol cm–3) capable of reversible carbamic acid formation, the new material [Mg2(dobdc)(N2H4)1.8] achieves a series of new records for CO2 capture, such as single-component isotherm uptakes of 3.89 mmol g–1 or 4.58 mmol cm–3 at the atmospheric CO2 concentration of 0.4 mbar at 298 K and 1.04 mmol g–1 or 1.22 mmol cm–3 at 328 K, as well as more than a 4.2 mmol g–1 or 4.9 mmol cm–3 adsorption/desorption working capacity under dynamic mixed-gas conditions with CO2 concentrations similar to those in flue gases and ambient air.
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Affiliation(s)
- Pei-Qin Liao
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Xun-Wei Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Si-Yang Liu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Xu-Yu Li
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Yan-Tong Xu
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Minni Tang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Zebao Rui
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Hongbing Ji
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Jie-Peng Zhang
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
| | - Xiao-Ming Chen
- MOE Key Laboratory of Bioinorganic and Synthetic Chemistry , School of Chemistry and Chemical Engineering , Sun Yat-Sen University , Guangzhou 510275 , China .
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