Interactions of a zwitterionic thiophene-based conjugated polymer with surfactants
文献信息
Telma Costa, Diego de Azevedo, Beverly Stewart, Matti Knaapila, Artur J. M. Valente, Mario Kraft, Ullrich Scherf, Hugh D. Burrows
In this paper we investigate the optical and structural properties of a zwitterionic poly[3-(N-(4-sulfonato-1-butyl)-N,N-diethylammonium)hexyl-2,5-thiophene] (P3SBDEAHT) conjugated polyelectrolyte (CPE) and its interaction in water with surfactants, using absorption, photoluminescence (PL), electrical conductivity, molecular dynamics simulations (MDS) and small-angle X-ray scattering (SAXS). Different surfactants were studied to evaluate the effect of the head group and chain length on the self-assembly. PL data emphasize the importance of polymer–surfactant electrostatic interactions in the formation of complexes. Nevertheless, conductivity and MDS data have shown that nonspecific interactions also play an important role. These seem to be responsible for the spatial position of the surfactant tail in the complex and, eventually, for breaking-up P3SBDEAHT aggregates. SAXS measurements on P3SBDEAHT-zwitterionic cocamidopropyl betaine (CAPB) surfactant complexes showed a specific structural organization of the system. The CAPB surfactant promotes a structural transition from pure P3SBDEAHT 3-dimensional aggregates (radius of gyration ∼85 Å) to thick cylindrical aggregates (∼20 Å) where all CAPB molecules are associated with the polymer. For molar ratios (in terms of the polymer repeat unit) >1 the SAXS interference maximum of the complexes resembles that of pure CAPB thus suggesting ongoing phase segregation in the formation of a “pure” CAPB phase.
相关文献
A homogeneous label-free electrochemical aptasensor based on an omega-like DNA nanostructure for progesterone detection
Zaofen Wang, Weiping Shi, Yunzhu Tan, Bingqian Liu
DOI: 10.1039/D3AY01255G
On site separation of inorganic forms of thallium and arsenic in sea water systems followed by ICP-MS determination
Joanna Kowalska, Alicja Drwal, Klaudia Tutaj, Lidiia Kovshun, Beata Krasnodębska-Ostręga
DOI: 10.1039/D3AY01292A
Optimization of heteronuclear ultrafast 2D NMR for the study of complex mixtures hyperpolarized by dynamic nuclear polarization
Clément Praud, Victor Ribay, Arnab Dey, Benoît Charrier, Joris Mandral, Jonathan Farjon, Jean-Nicolas Dumez, Patrick Giraudeau
DOI: 10.1039/D3AY01681A
Sporopollenin exine capsules modulate the function of microglial cells
Mengwei Li, Banglian Hu, Zhaojie Wu, Ziwei Wang, Jian Weng, Honghua Zheng, Liping Sun
DOI: 10.1039/D3BM01154B
Determination of vitamin D metabolites in various biological samples through an improved chemical derivatization assisted liquid chromatography-tandem mass spectrometry approach
Hua-Ming Xiao, Na An, Quan-Fei Zhu
DOI: 10.1039/D3AY01769A
An improved, optimised and robust keratin azure assay for accurate assessment of keratinase activity
Rhona M. Cowan, Eleanor Birch, Grace Nisbet, Chimaeze Onyeiwu, Clare Campbell, Ian Archer, Dominic J. Campopiano
DOI: 10.1039/D3AY01433A
Enhancing drug delivery with supramolecular amphiphilic macrocycle nanoparticles: selective targeting of CDK4/6 inhibitor palbociclib to melanoma
Mohamed F. Attia, Edikan A. Ogunnaike, Megan Pitz, Nancy M. Elbaz, Dillip K. Panda, Angela Alexander-Bryant, Sourav Saha, Daniel C. Whitehead
DOI: 10.1039/D3BM01888A
High-resolution magic-angle spinning NMR metabolic profiling with spatially localized spectroscopy under slow sample spinning
DOI: 10.1039/D3AY01812A
Platelet membrane-based biochemotactic-targeting nanoplatform combining PDT with EGFR inhibition therapy for the treatment of breast cancer
Guoyun Wan, Xuheng Chen, Ruiling Gou, Chenguang Guan, Jiayu Chen, Qian Wang, Qiqing Zhang, Haijiao Wang
DOI: 10.1039/D3BM01627G
您可能还喜欢
如何储存1,2-环己二酮环乙缩醛(CAS号:4746-96-7)?
1,2-环己二酮环乙缩醛应储存在阴凉、干燥、通风良好的地方,避免阳光直射。建议使用密封容器保存,并保持环境温度在室温范围内,远离火源和热源。
Ecopladib(CAS号:381683-92-7)的市场或研究趋势如何?
Ecopladib作为一种新型的药物,主要应用于治疗高胆固醇等疾病。目前,市场和研究趋势显示,Ecopladib因其独特的药理作用而受到关注。随着对心血管疾病治...
2,3-Dimethyl-3H-imidazo[4,5-c]pyridine(CAS号:52538-09-7)通常如何合成?
2,3-二甲基-3H-咪唑[4,5-c]吡啶通常通过咪唑和2,3-二甲基吡啶的缩合反应合成。具体来说,将咪唑和2,3-二甲基吡啶在适当的溶剂中进行加热或加压反应...
2,3,4,5-tetrahydro-1H-3-苯并氮杂环;盐酸盐(CAS号:17379-01-0)的市场或研究趋势如何?
该化合物在药物化学和有机合成中有一定的应用。近年来,随着对新型药物化合物的需求增加,该化合物的研究趋势主要集中在探索其生物活性,尤其是其在神经系统疾病治疗中的潜...
如何储存盐酸甘氨酸丁酯(CAS号:13048-99-2)?
盐酸甘氨酸丁酯应储存在阴凉、干燥、通风良好的地方,避免阳光直射和高温环境,温度应控制在25℃以下。储存容器应密封,避免与空气中的水分和酸性物质接触,以防发生水解...
什么是2-Iodo-N,N-dimethylbenzamide(CAS号:54616-46-5)?
2-碘-N,N-二甲基苯胺是一种有机化合物,化学名为2-Iodo-N,N-dimethylbenzamide。其分子式为C<sub>9</sub>H<sub>1...
5-溴-2-(4H-1,2,4-三唑-4-基)吡啶(CAS号:959240-99-4)的市场或研究趋势如何?
随着医药、农药和新材料领域的发展,该化合物作为关键中间体的应用日益增多。特别是在药物合成中,由于其独特的化学性质,可以用于合成多种药物分子。未来的研究趋势可能集...
2,4-二溴-6-三氟甲基嘧啶(CAS号:785778-00-9)通常如何合成?
2,4-二溴-6-三氟甲基嘧啶通常通过溴化反应合成。首先,将6-三氟甲基嘧啶与溴化剂(如液溴)在适当的溶剂(如二氯甲烷、四氢呋喃)中反应,加入适当的催化剂(如四...
来源期刊
Polymer Chemistry

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.














