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Probing the single pair rupture force of supramolecular quadruply hydrogen bonding modules by nano-adhesion measurement
Wang, LL (Wang, Lulu)[ 1,2,3 ]; Yin, ZM (Yin, Zhaoming)[ 1 ]; Zhang, YG (Zhang, Yagang)[ 1,2,3 ]; Jiang, YF (Jiang, Yingfang)[ 2,3 ]; Zhang, LT (Zhang, Letao)[ 2 ]; Yasin, A (Yasin, Akram)[ 2 ]
2018
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume8Issue:39Pages:21798-21805
Abstract

Studying quadruply hydrogen bonding (QHB) module interactions in materials matrices presents a significant challenge because a wide variety of non-covalent interactions may be relevant. Here we introduce a method of surface modification with DeUG (7-deazaguanine urea), DAN (2,7-diamido-1,8-naphthyridine) and UPy (2-ureido-4[1H]-pyrimidone) modules to form self-assembled monolayers (SAMs) on a glass surface. The QHB interactions under mechanical stress were investigated by measuring adhesion force using PS-DAN (DAN modified polystyrene), PBMA-DeUG (DeUG modified poly butyl methacrylate) and PBA-UPy (UPy modified poly butyl acrylate) as adhesion promoters. A mechanical lap-shear test was used to evaluate the fracture resistance of QHB heterocomplexes. The maximum load at fail showed that QHB interaction contributed significantly (72%) to overall adhesion. For the QHB modified glass surface, using a polymer modified with its complementary QHB partner greatly facilitated their pairing efficiency, up to 40% for DAN-DeUG. A general method from which single pair ruptures force of QHB modules could be obtained using thermodynamic data obtained from solution chemistry was proposed. Using this method, the single pair rupture force for UPy-UPy was measured as 160 pN, and the single pair rupture force for DAN-DeUG was obtained as 193 pN.

DOI10.1039/c8ra03739f
Indexed BySCI
WOS IDWOS:000436031800015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5636
Collection资源化学研究室
Corresponding AuthorZhang, YG (Zhang, Yagang)[ 1,2,3 ]
Affiliation1.Xinjiang Inst Engn, Dept Chem & Environm Engn, Urumqi 830023, Peoples R China
2.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang, LL ,Yin, ZM ,Zhang, YG ,et al. Probing the single pair rupture force of supramolecular quadruply hydrogen bonding modules by nano-adhesion measurement[J]. RSC ADVANCES,2018,8(39):21798-21805.
APA Wang, LL ,Yin, ZM ,Zhang, YG ,Jiang, YF ,Zhang, LT ,&Yasin, A .(2018).Probing the single pair rupture force of supramolecular quadruply hydrogen bonding modules by nano-adhesion measurement.RSC ADVANCES,8(39),21798-21805.
MLA Wang, LL ,et al."Probing the single pair rupture force of supramolecular quadruply hydrogen bonding modules by nano-adhesion measurement".RSC ADVANCES 8.39(2018):21798-21805.
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