Results 1 to 10 of about 18,101 (260)

Research Progress on Typical Quaternary Ammonium Salt Polymers [PDF]

Molecules, 2022
Quaternary ammonium salt polymers, a kind of polyelectrolyte with a quaternary ammonium group, are widely used in traditional and emerging industries due to their good water-solubility, adjustable cationicity and molecular weight, high efficiency and ...
Xingqin Fu, Yuejun Zhang, Xu Jia, Yongji Wang, Tingting Chen   +4 more
doaj   +2 more sources

Rhodium-Catalyzed Oxidative Annulation of 2- or 7-Arylindoles with Alkenes/Alkynes Using Molecular Oxygen as the Sole Oxidant Enabled by Quaternary Ammonium Salt [PDF]

Molecules, 2021
Developing an efficient catalytic system using molecular oxygen as the oxidant for rhodium-catalyzed cross-dehydrogenative coupling remains highly desirable.
Weihui Zhuang, Jiaqi Zhang, Yanping Zheng, Qiufeng Huang   +3 more
doaj   +2 more sources

Preparation of Gelatin-Quaternary Ammonium Salt Coating on Titanium Surface for Antibacterial/Osteogenic Properties [PDF]

Molecules, 2023
Titanium (Ti) and its alloys are widely used in medical treatment, engineering, and other fields because of their excellent properties including biological activity, an elastic modulus similar to that of human bones, and corrosion resistance.
Hongyang Song, Lei Xing, Jinjian Wei, Xue Wang, Yaozhen Yang, Pengbo Zhe, Mingming Luan, Jing Xu   +7 more
doaj   +2 more sources

Improvement of the Antioxidant and Antitumor Activities of Benzimidazole-Chitosan Quaternary Ammonium Salt on Drug Delivery Nanogels [PDF]

Marine Drugs
The present study focused on the design and preparation of acid-responsive benzimidazole-chitosan quaternary ammonium salt (BIMIXHAC) nanogels for a controlled, slow-release of Doxorubicin HCl (DOX.HCl).
Bing Ma, Qing Li, Jingjing Zhang, Yingqi Mi, Wenqiang Tan, Zhanyong Guo   +5 more
doaj   +2 more sources

Synthesis and Performance of Double-Chain Quaternary Ammonium Salt Glucosamide Surfactants [PDF]

Molecules, 2022
A series of double-chain quaternary ammonium salt surfactants N-[N′[3-(gluconamide)] propyl-N′-alkyl]propyl-N,N-dimethyl-N-alkyl ammonium bromide (CnDDGPB, where n represents a hydrocarbon chain length of 8, 10, 12, 14 and 16) were successfully ...
Lifei Zhi, Xiufang Shi, Erzhuang Zhang, Chuangji Gao, Haocheng Gai, Hui Wang, Zhenmin Liu, Tieming Zhang   +7 more
doaj   +2 more sources

Study on the Interface Adsorption Behavior of Diester Gemini Quaternary Ammonium Salt on the Fluorapatite and Quartz

Kuangchan zonghe liyong, 2023
Surface tension tests, quantum chemical computation and flotation tests were carried on the self-synthesized Diester Gemini quaternary ammonium salt.
Jianhao Dai, Peng Huang, Gaoliang Huang, Xiaoqing Weng, Danzhang Liu, Lixinran Zhao   +5 more
doaj   +1 more source

A Near‐Infrared‐Responsive Quaternary Ammonium/Gold Nanorod Hybrid Coating with Enhanced Antibacterial Properties

Advanced NanoBiomed Research, 2022
Biomedical device‐associated infection (BAI) is a common symptom in hospitals. To solve this problem, the biomedical device needs fast, efficient, and safe antibacterial methods to prevent infection.
Yu-Qing Zhao, Zongpeng Xiu, Ruonan Wu, Lujiao Zhang, Xiaokang Ding, Nana Zhao, Shun Duan, Fu-Jian Xu   +7 more
doaj   +1 more source

Preparation of Quaternary Ammonium Gemini Surfactant and Its Application in Insulator Cleaning [PDF]

E3S Web of Conferences, 2023
In this paper, quaternary ammonium salt type Gemini surfactant G12 was designed and synthesized, and its structure was characterized by infrared and nuclear magnetic resonance.
Wan Xinyuan, Xia Xiaojian, Chen Yiyang, Lin Deyuan, Hong Yicheng, Zhang Wenzhe, Hou Linxi   +6 more
doaj   +1 more source

Controllable synthesis of silver nanowires via an organic cation‐mediated polyol method and their application as transparent electrode for touch screen

Nano Select, 2022
As an organic cation, quaternary ammonium salt was introduced as a control agent to synthesize silver nanowires. The important influence of quaternary ammonium salt on the preparation of silver nanowires was seriously investigated by varying the length ...
Huangqing Ye, Guisheng Zhuang, Yingying Pan, Haibo Wang, Yanlin Li, Yishan Lin, Yu Wang, Xiping Zeng   +7 more
doaj   +1 more source

Microwave Synthesis of Quaternary Ammonium Salts [PDF]

Molecules, 2008
The microwave synthesis of several quaternary ammonium salts is described. The synthesis provides comparable or better yields than published methods with reduced reaction times and in the absence of solvent.
Winstead, Angela J., Fleming, Nicole, Hart, Krystal, Toney, Deveine   +3 more
openaire   +3 more sources