POLYCATION

作品数：7被引量：14H指数：3
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Tetraphenylethylene-conjugated polycation covered iron oxide nanoparticles for magnetic resonance/optical dual-mode imaging被引量：3
《Regenerative Biomaterials》2021年第3期124-132,共9页Li Yang Shengxiang Fu Li Liu Zhongyuan Cai Chunchao Xia Bin Song Qiyong Gong Zhiyun Lu Hua Ai 
This work was financially supported by the National Natural Science Foundation of China(NSFC,No.51903174 and 52073192);Innovative Research Groups of the National Natural Science Foundation of China(81621003);Chengdu Science and Technology Program(2019-YF05-00318-SN);the Fundamental Research Funds for Central Universities(2021SCU12070).
Magnetic resonance(MR)/optical dual-mode imaging with high sensitivity and high tissue resolution have attracted many attentions in biomedical applications.To avert aggregation-caused quenching of conventional fluores...
关键词：magnetic resonance imaging optical imaging superparamagnetic iron oxide aggregation-induced emission dual-mode imaging 
Polycation-functionalized gold nanodots with tunable near-infrared fluorescence for simultaneous gene delivery and cell imaging被引量：1
《Nano Research》2018年第5期2392-2404,共13页Yuanqing Sun Dandan Wang Yueqi Zhao Tianxin Zhao Hongchen Sun Xiangwei Li Chuanxi Wang Bai Yang Quan Lin 
This work was supported by the National Natural Science Foundation of China （Nos. 51503085, 51373061 and 21304090）, Science Foundation of China University of Petroleum, Beijing （No. 2462017YJRC027）, open project of state key laboratory of supramolecular structure and materials （No. sklssm201724） and Graduate Innovation Fund of Jilin University （Project 2016112）.
Near-infrared （NIR） fluorescent metal nanodots may have significant advantages in biological detection and bioimaging. Herein, we introduce tunable near-infrared fluorescent gold nanodots （AuNDs） protected by bran...
关键词：near-infrared fluorescent material Au nanodot tunable fluorescence gene deliver BIOIMAGING 
Physical Properties of Chitosan Films Obtained after Neutralization of Polycation by Slow Drip Method
《Journal of Biomaterials and Nanobiotechnology》2015年第4期276-291,共16页Jaiber Humberto Rodriguez Llanos Luci Cristina de Oliveira Vercik Andres Vercik 
the financial support from“Coordenacao de aperfeicoamento de pessoal de nivel superior CAPES”
The development of new materials from biodegradable constituents is enticing for applications in bioelectronics and biomedicine, due to their considerable durability, versatility and biodegrada-bility. The present wor...
关键词：Biodgradavel Film CHITOSAN HYDROGEL Mechanical Properties SWELLING 
Near-infrared fluorescent amphiphilic polycation wrapped magnetite nanoparticles as multimodality probes被引量：4
《Chinese Science Bulletin》2012年第31期4012-4018,共7页WANG Dan SU HongYing LIU yanHong WU ChangQiang XIA ChunChao SUN JiaYu GAO FaBao GONG QiYong SONG Bin AI Hua 
supported by the Program for New Century Excellent Talents in University (NCET-06-0781);the Distinguished Young Scholars Project of Sichuan Province (06ZQ026-007);the Doctoral Fund of Ministry of Education of China (20090181110068);the National Natural Science Foundation of China (20974065, 51173117 and 50830107)
Construction of multifunctional/multimodality nanoparticles for cancer diagnosis and therapy has become an attractive area of investigation. In this report, we designed a multimodality nanoprobe for cell labeling, and...
关键词：荧光成像 纳米粒子 聚阳离子 近红外 多模态 磁铁矿 两亲性 超顺磁性氧化铁 
Synthesis and characterization of a pH-sensitive shielding system for polycation gene carriers被引量：3
《Science China Chemistry》2010年第3期502-507,共6页XIA JiaLiang1,2,CHEN Jie1,TIAN HuaYu1 & CHEN XueSi1 1Key Laboratory of Polymer Ecomaterials Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China 2Graduate University of Chinese Academy of Sciences,Beijing 100049,China 
supported by the National Natural Science Foundation of China (Grant Nos 20604028,50873102,50733003,A3 Foresight Program 20621140369);Ministry of Science and Technology of China (Grant No 2007DFR5020)
To increase the in vivo stability of polycation gene carriers,a pH-sensitive shielding system,γ-benzyl L-glutamate-co-glutamate acid polymer(PGA(60)(60 refers to the molar ratio of glutamate acid in the polymer)),was...
关键词：GENE delivery SHIELDING SYSTEM PH-SENSITIVE polyglutamate 
In vitro biocompatibility of three chitosan/polycation composite materials for nerve regeneration被引量：2
《Neural Regeneration Research》2008年第8期837-842,共6页Zhenhuan Zheng Yujun Wei Gan Wang Yandao Gong Xiufang Zhang 
National Basic Research Program of China, ("973" Program), No. 2005CB623905;Tsinghua-Yue-Yuen Medical Science Fund, Beijing Municipal Science & Technology Commission, No. H060920050430;the National Natural Science Foundation of China, No. 30670528, 30700848, 30772443
BACKGROUND：It has been reported that chitosan nerve conduits could support axon elongation and improve relevant function during in vivo nerve regeneration. OBJECTIVE： To investigate in vitro biocompatibility of thre...
关键词：BIOCOMPATIBILITY CHITOSAN nerve regeneration POLYCATION 
GROWTH AND MORPHOLOGY OF POLYMER-ACTIN COMPLEXES被引量：1
《Chinese Journal of Polymer Science》2007年第1期47-55,共9页Hyuck Joon Kwon Kazuhiro Shikinaka Akira Kakugo Hidemitsu Furukawa Yoshihito Osada 龚剑萍 
This research is financially supported by SORST, JST and the Ministry of Education, Science, Sports, and Culture, Japan (Grant-in-Aid of Creative Scientific Research).
F-actins are semi-flexible polyelectrolytes and can be assembled into large polymer-actin complex with polymorphism through electrostatic interaction with polycations. This study investigates the structural phase beha...
关键词：F-ACTIN Polymer-actin complex Polycation concentration （Cp） KCl concentration （Cs） Fluorescence microscopy Transmission electron microscopy （TEM） Rod-like polyelectrolyte. 
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