排序方式: 共有62条查询结果,搜索用时 0 毫秒
61.
Dutta K Mahale RY Arulkashmir A Krishnamoorthy K 《Langmuir : the ACS journal of surfaces and colloids》2012,28(26):10097-10104
Supramolecular complexes involving nanoscopic amphiphilic assemblies (AAs) and polyelectrolytes have been used to prepare a variety of materials, wherein the dynamic AAs retain the structural features, but the polyelectrolytes undergo conformational changes. Here we show that a charge bearing rigid conjugated polymer can alter the structural features and disassemble AAs. We also demonstrate reversible assembly and disassembly of AAs by controlling the number of charges on the rigid polymer. During the disassembly, the guest molecules sequestered in the AAs are released. The rate of release has been modulated by changing the morphology of the charge bearing polymer. Concomitant to the AAs disassembly, the polymer surface becomes hydrophobic due to the binding of the amphiphiles on the charges of the polymer backbone. By controlling the charges on the polymer, the surface wettability was varied gradually from hydrophilic to hydrophobic. 相似文献
62.
Ghasem Marandi Malek Taher Maghsoodlou Nourallah Hazeri Reza Heydari Sayyed Mostafa Habibi‐Khorassani Niloufar Akbarzadeh Torbati Seyed Sajad Sajadikhah Danial Saravani Mansoureh Rakhshanipour Samira Gholamipour Faramarz Rostami‐Charati Brian W. Skelton Mohamed Makha Zeynab Zare Mojtaba Lashkari 《Heteroatom Chemistry》2011,22(5):630-639
The reaction between triphenyl or trialkyl phosphite and acetylenic esters in the presence of some heterocyclic or aromatic NH compounds such as thiazolidine‐2,4‐dione, 2‐methyl indole, 5‐bromoisatine, 3‐nitroacetanilide, saccharin, 5,5‐dimethylhydantoin, 2‐nitroaniline, 4‐nitroaniline, benzophenon hydrazine, and anthranilic acid led to the formation of phosphonato esters in high yield. © 2011 Wiley Periodicals, Inc. Heteroatom Chem 22:630–639, 2011; View this article online at wileyonlinelibrary.com . DOI 10.1002/hc.20725 相似文献