Tuning cell surface charge in E. coli with conjugated oligoelectrolytes

被引：30
|
作者：
Catania, Chelsea [1 ]
Thomas, Alexander W. [2 ]
Bazan, Guillermo C. [1 ,2 ]
机构：
[1] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
[2] Univ Calif Santa Barbara, Dept Chem & Biochem, Ctr Polymers & Organ Solids, Santa Barbara, CA 93106 USA
来源：
CHEMICAL SCIENCE | 2016年 / 7卷 / 03期
基金：
美国国家科学基金会;
关键词：
POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; CONFORMATIONAL FLEXIBILITY; PHOTOCURRENT GENERATION; MEMBRANE PERTURBATION; SPECTRAL ASSIGNMENT; ESCHERICHIA-COLI; POLYELECTROLYTES; MOLECULES; POLYMERS; HYDROPHOBICITY;
D O I：
10.1039/c5sc03046c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cationic conjugated oligoelectrolytes (COEs) varying in length and structural features are compared with respect to their association with E. coli and their effect on cell surface charge as determined by zeta potential measurements. Regardless of structural features, at high staining concentrations COEs with longer molecular dimensions associate less, but neutralize the negative surface charge of E. coli to a greater degree than shorter COEs.
引用
收藏
页码：2023 / 2029
页数：7
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