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Gadolinium-based contrast agents built of DO3A-pyridine scaffold:Precisely tuning carboxylate group for enhanced magnetic resonance imaging被引量：1: 《Chinese Chemical Letters》2023年第6期537-540,共4页Yongyin Geng Tianze Wu Qiuyue Han Yongtai Yang Zhenxia Chen Xuanxuan Li Bo Yin Yaming Zhou Yun Ling; financial support from National Natural Science Foundation of China(No.21971045);National Key Technologies R&D Program of China(No.2017YFA0205103)。; It is greatly desired to develop novel gadolinium-based contrast agents(GBCAs)as improved platforms for magnetic resonance imaging(MRI).Herein,we report the syntheses of a series of nonionic cyclenbased GBCAs by preci...; 关键词：Gadolinium-based contrast agents Cyclen-based ligand Structure-property relationship RELAXIVITY Magnetic resonance imaging

Water-Soluble Gd(Ⅲ)−Porphyrin Complexes Capable of Both Photosensitization and Relaxation Enhancement被引量：1: 《Chemical & Biomedical Imaging》2023年第2期157-167,共11页Tamas Nemeth Naoko Yoshizawa-Sugata Agnes Pallier Youichi Tajima Yue Ma Éva Tóth Hisao Masai Yoko Yamakoshi; supported in part by the SNF,Strategic Japanese-Swiss Science and Technology Program(IZLJZ2_183660,Y.Y.);JSPS under the Joint Research Program implemented in association with SNF(20191508,H.M.and N.Y.-S.);the SNF Project Funding(205321_173018,Y.Y.);the ETH Research Grant(ETH-21_15-2;ETH-36_20-2,Y.Y.);JSPS KAKENHI(Grantin-Aid for Scientific Research[A],6251004,H.M.,Grants-in-Aid for Scientific Research on Innovative Areas,21H00264,22H04707,H.M.,Grant-in-Aid for Scientific Research[C],15K07164,N.Y.-S.).; With the aim of developing more stable Gd(Ⅲ)−porphyrin complexes,two types of ligands 1 and 2 with carboxylic acid anchors were synthesized.Due to the N-substituted pyridyl cation attached to the porphyrin core,these...; 关键词：Singlet oxygen generation RELAXIVITY Gd(Ⅲ)chelate water-soluble porphyrin PHOTOCYTOTOXICITY

Hybrid Dextran-gadolinium Nano-suitcases as High-relaxivity MRI Contrast Agents被引量：2: 《Chinese Journal of Polymer Science》2018年第3期391-398,共8页Hao Wang Ting-Ting Dai Bo-Lun Lu Sheng-Li Li Qing Lu Vincent Mukwaya Hong-Jing Dou; financially supported by the National Natural Science Foundation of China(Nos.21374061,81371703 and 81501571);the Marie Curie International Incoming Fellowship of the EU;the Program for Professor of Special Appointment(Eastern Scholar)at Shanghai Institutions of Higher Learning;“Shu Guang”project supported by Shanghai Municipal Education Commission;Shanghai Education Development Foundation; Dextran-poly（glycidyl methacrylate）（Dex-PGMA） nano-suitcases were synthesized efficiently via a graft copolymerization induced self-assembly （GISA） approach. On this basis, the Dex-PGMA nano-suitcases were modi...; 关键词：Crosslinked polymer nanoparticles Gadolinium（llI） MRI contrast agents Lymph node imaging

Gd^(3+)doped CuInS_(2)/ZnS nanocrystals with high quantum yield for bimodal fluorescence/magnetic resonance imaging被引量：2: 《Journal of Rare Earths》2017年第4期382-388,共7页郁彩艳宣曈曈楼孙棋? 刘潇潇廉国海李会利; Project supported by the National Natural Science Foundation of China(51472087);Shanghai Municipal Natural Science Foundation(13ZR1412500);Innovation Program of Shanghai Municipal Education Commission(14ZZ050);the ECNU Reward for Out-standing Doctoral Dissertation Cultivation Plan of Action(PY2015041); Recently, CulnS2/ZnS nanocrystals （CISZ NCs） have been widely used in many fields due to their excellent properties, such as tunable photoluminescence （PL） spectra, broad absorption, and non-toxicity. In order to ...; 关键词：Gd-Cu-In-S/ZnS nanocrystals longitudinal relaxivity magnetic resonance imaging rare earths

Synthesis and in vitro Evaluation of Manganese（Ⅱ）-porphyrin Modified with Chitosan Oligosaccharides as Potential MRI Contrast Agents被引量：1: 《Chemical Research in Chinese Universities》2014年第4期549-555,共7页LIU Yun HUANG Yan BOAMAH Peter Osei ZHANG Qi LIU Yuanyuan HUA Mingqing; Supported by the National Natural Science Foundation of China（Nos.21261008, 21302071, 21171076）, and the Cooperation Project of Hainan International Science and Technology, China（No.KJHZ2014-05）.; Mn-TCPP-CSn（n=6,1 1,20） as a type of potential magnetic resonance imaging（MRI） contrast agents were synthesized via manganese（Ⅱ） meso-tetra（4-carboxyphenyl） porphyrin（Mn-TCPP） modified with chitosan oligosa...; 关键词：MRI contrast agent PORPHYRIN Chitosan oligosaccharide RELAXIVITY T1-Weighted flash image

Synthesis of Nonionic Oligomeric Manganese(Ⅱ) Complexes and Investigation of Their Toxicity andΤ_1-Relaxation Enhancement: 《Chemical Research in Chinese Universities》2005年第5期512-516,共5页YU Kai-chao LI Ying-xia ZHOU Jin-lan DING Shang-wu YE Chao-hui; Supported by the National Natural Science Foundation of China(Nos. 20275011 and 10234070); the Program for PromotingUniversity Academic Excellence by the Ministry of Education of Taiwan of China(No. A-92-N-FA01-2-4-5) ;Foundation of StateKey Laboratory of Magnetic Resonance &Atomic and Molecular Physics(No. T12045).; Six nonionic oligomeric manganese （ Ⅱ ） complexes with oligomeric phosphate-polyglycol-EDTA ester ligands were synthesized and characterized. The longitudinal relaxivities of these complexes were measured. One of t...; 关键词：Magnetic resonance imaging（ MRI） Oligomeric contrast agent Nonionic Mn（ Ⅱ ） complex Relaxivity Acute toxicity Relaxation enhancement

Structural Characterization and Relaxivity Study of a New Paramagnetic Mn（Ⅱ） Complex of DTPA-BpABA: 《Chinese Journal of Chemistry》2005年第8期1012-1016,共5页刘迎春张静罗权马淑兰许妙琼朱文祥; Project supported by the Municipal Natural Science Foundation of Beijing （No. 2022011）.; X-ray single crystal analysis of a new paramagnetic manganese（Ⅱ） complex with DTPA-BpABA （a DTPAbisamide derivative）, Mn（DTPA-BpABA）·4H2O, shows that four oxygen atoms and three nitrogen atoms from the ligand ...; 关键词：manganese（Ⅱ） complex crystal structure relaxivity study contrast agent

Synthesis and relaxivity of Gd(Ⅲ), Fe(Ⅲ) and Mn(Ⅱ) complexes with dihydropyridine derivative of diethvlenetriaminepentaacetic acid: 《Science China Chemistry》2005年第z1期93-96,共4页CHANG Jianhua ZHENG Shuzhan JIAN Yajun BAI Yinjuan ZHANG Shiping; A novel ligand of DTPA-dihydropyridine derivative was synthesized by reaction of DTPA-dianhydride with 4-aniline-1,4-dihydropyridine. Its complexes of gadolinium, manganese and iron were prepared. Their spin-lattice r...; 关键词：diethylenetriaminepentaacetic acid dihydropyridine magnetic resonance imaging CONTRAST agent relaxivity.

Synthesis, Characterization of α-Oxopentanedioic Acid-Isonicotinoyl (Hydrazone) Rare Earth-Complexes and Relaxivity of Gd-complex: 《Journal of Rare Earths》2004年第3期327-330,共4页杨正银杨汝栋; ProjectsupportedbytheNationalNaturalScienceFoundationofChina ( 2 9975 0 12 ); Oxopentanedioic acid isonicotinoyl hydrazone (H_2L) and its five rare earth complexes were synthesized with a view to further investigating MRI activities of the polycarboxylic Schiff base complexes. The complexes wer...; 关键词：inorgonic chemistry MRI contrast agent RELAXIVITY rare earth complexes

Liver-targeting macromolecular MRI contrast agents被引量：1: 《Science China Chemistry》2001年第4期344-352,共9页鄢国平卓仁禧徐勉懿李丽云唐岳枫; Acknowledgements The authors would like to thank Mr. Cao Guoqiang and Mr. Cao Wei (Department of Nuclear Medicine of Wuhan Union Hospital) for their assistance in the biodistribution experiment, Profs. Zheng Congyi and Mr. Qu Sanfu (College of Life Scien; Macromolecular ligands with liver-targeting group (pyridoxamine, PM) PHEA-DTPA-PM and PAEA-DTPA-PM were prepared by the incorporation of different amount of diethylenetria-minepentaacetic acid monopyridoxamine group (...; 关键词：POLYASPARTAMIDE gadolinium complexes magnetic resonance imaging (MRI) RELAXIVITY liver-targeting

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