Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1021/acs.biomac.8b01312 |
Nature-Inspired and "Water-Skating" Paper and Polyester Substrates Enabled by the Molecular Structure of Poly(gamma-stearyl-alpha,L-glutamate) Homopolypeptide | |
Rosu, Cornelia1,3; Jang, Yeongseon1,4; Jiang, Lu1,2; Champion, Julie1 | |
通讯作者 | Rosu, Cornelia |
来源期刊 | BIOMACROMOLECULES |
ISSN | 1525-7797 |
EISSN | 1526-4602 |
出版年 | 2018 |
卷号 | 19期号:12页码:4617-4628 |
英文摘要 | We demonstrate that the molecular structure of a synthetic homopolypeptide that resembles the leg architecture of water strider insects is effective to impart flexible polymeric surfaces with superhydrophobic behavior. Filter paper (FP) and polyester (PET) were modified with a coating consisting of low-molecular weight alpha-helical poly(gamma-stearyl-alpha,L-apglutamate) (PSLG, M-w = 4500 Da) homopolypeptide. PSLG-coated substrates displayed near to and superhydrophobic behavior (>= 150 degrees) as reflected by the contact angle values. Despite being physically adsorbed, the PSLG coating uniformly covered and was strongly adhered to the substrate surfaces. The thin coating layer displayed remarkable mechanical abrasion resistance and was insensitive to long-time exposure-to-ambient conditions.-PLSG-coated textile fibers exhibited useful and interesting properties. Under an iron-containing load, PSLG-coated PET was able to float and "walk" on water when exposed to a magnet. The PSLG coating was able to reduce the adhesion of Escherichia coli, model Gram-negative bacteria. The results indicated that the molecular geometry of PSLG homopolypeptide, which possesses a alpha-helical backbone sprouting out of highly hydrophobic stearyl side chains, was the key feature responsible for the observed behaviors. This study is relevant for a broad range of potential applications: from crop and drinking water management in arid geographic areas to biomedical devices and implants. |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000453109200011 |
WOS关键词 | THERMOREVERSIBLE GELATION ; BACTERIAL ADHESION ; LIQUID-CRYSTALS ; SURFACES ; WALKING ; POLYPEPTIDES ; DIVERSITY ; POLYMER ; FABRICS ; ALPHA |
WOS类目 | Biochemistry & Molecular Biology ; Chemistry, Organic ; Polymer Science |
WOS研究方向 | Biochemistry & Molecular Biology ; Chemistry ; Polymer Science |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/208131 |
作者单位 | 1.Georgia Inst Technol, Sch Chem & Biomol Engn, Atlanta, GA 30332 USA; 2.Georgia Inst Technol, Renewable Bioprod Inst, Atlanta, GA 30332 USA; 3.Georgia Inst Technol, GTPN, Atlanta, GA 30332 USA; 4.Univ Florida, Dept Chem Engn, Gainesville, FL 32611 USA |
推荐引用方式 GB/T 7714 | Rosu, Cornelia,Jang, Yeongseon,Jiang, Lu,et al. Nature-Inspired and "Water-Skating" Paper and Polyester Substrates Enabled by the Molecular Structure of Poly(gamma-stearyl-alpha,L-glutamate) Homopolypeptide[J],2018,19(12):4617-4628. |
APA | Rosu, Cornelia,Jang, Yeongseon,Jiang, Lu,&Champion, Julie.(2018).Nature-Inspired and "Water-Skating" Paper and Polyester Substrates Enabled by the Molecular Structure of Poly(gamma-stearyl-alpha,L-glutamate) Homopolypeptide.BIOMACROMOLECULES,19(12),4617-4628. |
MLA | Rosu, Cornelia,et al."Nature-Inspired and "Water-Skating" Paper and Polyester Substrates Enabled by the Molecular Structure of Poly(gamma-stearyl-alpha,L-glutamate) Homopolypeptide".BIOMACROMOLECULES 19.12(2018):4617-4628. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。