Synthesis of silver nanoparticles using hydroxyl functionalized ionic liquids and their antimicrobial activity.
Synthesis of silver nanoparticles using hydroxyl functionalized ionic liquids and their antimicrobial activity.
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DOI：
10.3390/ijms9050807
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发表时间：
2008-05
影响因子：
5.6
通讯作者：
Shim YK
中科院分区：
文献类型：
--
作者：
Dorjnamjin D;Ariunaa M;Shim YK
我们报告了一种新的单相方法，用于在水溶液中合成均匀的单分散的结晶银纳米粒子，该方法已经通过使用新合成的单和二羟基化的离子液体和基于1，3-二取代咪唑阳离子和卤素阴离子的阳离子表面活性剂来开发。羟基官能化的离子液体（HFIL）和羟基官能化的阳离子表面活性剂（HFCS）也同时充当还原剂和保护剂。通过改变1，3-咪唑类HFIL和HFCS的碳链长度、醇结构和阴离子，可以控制纳米粒子在水溶液中的粒径、均匀性和分散性。利用透射电子显微镜（TEM）、电子衍射、紫外-可见光谱（UV-Vis）和核磁共振（NMR）对HFIL、HFCS和银纳米颗粒进行了表征。对该溶液的TEM研究显示出具有代表性的球形银纳米颗粒，其平均尺寸为2-8 nm，特别是尺寸范围为2.2 nm和4.5 nm，并且合理的窄粒度分布（SD-标准分布）分别为0.2 nm和0.5 nm。所有金属纳米颗粒都是具有面心立方（fcc）结构的单晶。银纳米粒子表面的等离子体共振带（λmax）在420 nm附近变宽，并向长波区域移动很小，表明形成了红外（IR）附近具有宽吸收的银纳米粒子分散体。这些HFIL的银络合物以及不同的银纳米颗粒分散体已经在体外针对几种革兰氏阳性和革兰氏阴性细菌和真菌进行了测试。该银纳米颗粒提供环境友好和高抗微生物活性剂。
We report a new one phase method for the synthesis of uniform monodisperse crystalline Ag nanoparticles in aqueous systems that has been developed by using newly synthesized mono and dihydroxylated ionic liquids and cationic surfactants based on 1,3-disubstituted imidazolium cations and halogens anions. The hydroxyl functionalized ionic liquids (HFILs) and hydroxyl functionalized cationic surfactants (HFCSs) also simultaneously acts both as the reductant and protective agent. By changing the carbon chain length, alcohol structure and anion of the 1,3-imidazolium based HFILs and HFCSs the particle size, uniform and dispersibility of nanoparticles in aqueous solvents could be controlled. Transmission electron microscopy (TEM), electron diffraction, UV-Vis and NMR, were used for characterization of HFILs, HFCSs and silver nanoparticles. TEM studies on the solution showed representative spherical silver nanoparticles with average sizes 2–8 nm, particularly 2.2 nm and 4.5 nm in size range and reasonable narrow particle size distributions (SD-standard distribution) 0.2 nm and 0.5 nm respectively. The all metal nanoparticles are single crystals with face centered cubic (fcc) structure. The silver nanoparticles surface of plasmon resonance band (λmax) around 420 nm broadened and little moved to the long wavelength region that indicating the formation of silver nanoparticles dispersion with broad absorption around infrared (IR) region. Silver complexes of these HFILs as well as different silver nanoparticles dispersions have been tested in vitro against several gram positive and gram negative bacteria and fungus. The silver nanoparticles providing environmentally friendly and high antimicrobial activity agents.
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影响因子：
15
作者：
Huang, JK;Stevens, ED;Petersen, JL
通讯作者：
Petersen, JL
影响因子：
4.4
作者：
Pal, Sukdeb;Tak, Yu Kyung;Song, Joon Myong
通讯作者：
Song, Joon Myong
影响因子：
3.5
作者：
Demberelnyamba, D;Kim, KS;Yoo, ID
通讯作者：
Yoo, ID
影响因子：
4.9
作者：
Brady, MJ;Lisay, CM;Sawan, SP
通讯作者：
Sawan, SP
影响因子：
158.5
作者：
Nuorti, JP;Butler, JC;Elliott, JA
通讯作者：
Elliott, JA