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Facile synthesis of nucleic acid–polymer amphiphiles and their self-assembly

22-Apr-2015 | Fei Jia; Xueguang Lu; Xuyu Tan; Ke Zhang, Chemical Communication, 2015

A solid-phase synthesis for nucleic acid–polymer amphiphiles is developed. Using this strategy, several DNA-b-polymer amphiphiles are synthesized, and their self-assembly in aqueous solution is investigated. This general method can in principle be extended to nearly all polymers synthesized by ...

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Surface modification of monolithic PolyHIPE Polymers for anionic functionality and their ion exchange behavior

18-Apr-2015 | Necla Barlık, Bülent Keskinler, M. Muhtar Kocakerim, Galip Akay, Journal of Applied Polymer Science, 2015

ABSTRACT Monolithic PolyHIPE Polymer (PHP), being a highly porous, low density, open cellular material was produced by polymerization of a high internal phase emulsion (HIPE) in which the polymerizable continuous phase consisted of monomers, styrene (STY), and divinyl benzene (DVB). The inner ...

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Anion–Dipole Interactions Make the Homopolymers Self‐Assemble into Multiple Nanostructures

14-Apr-2015 | Long‐Hai Wang, Zi‐Dan Zhang, Chun‐Yan Hong, Xue‐Hao He, Wei You, Ye‐Zi You, Advanced Materials, 2015

Anion–dipole interactions can make homopolymers self‐assemble like an amphiphilic block copolymer. Generally, common homopolymers cannot self‐assemble into multiple nanostructures. Here, it is reported that anion–dipole interactions can enable a number of homopolymers to achieve a variety of ...

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A sample preparation method for recovering suppressed analyte ions in MALDI TOF MS

13-Apr-2015 | Xianwen Lou, Bas F. M. Waal, Lech‐Gustav Milroy, Joost L. J. Dongen, Journal of Mass Spectrometry, 2015

In matrix‐assisted laser desorption/ionization time‐of‐flight mass spectrometry (MALDI TOF MS), analyte signals can be substantially suppressed by other compounds in the sample. In this technical note, we describe a modified thin‐layer sample preparation method that significantly reduces the ...

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Syntheses, structures and luminescent properties of two new two-fold interpenetrating 2D coordination polymers based on 4′-(4-carboxyphenyl)-4,2′:6′,4″-terpyridine

12-Apr-2015 | Author(s): Fei Yuan , Ran An , Huai-Ming Hu , Sa-Sa Shen , Xiaofang Wang , Meng-Lin Yang , Ganglin Xue, Inorganic Chemistry Communications, 2015

Publication date: June 2015 Source:Inorganic Chemistry Communications, Volume 56 Author(s): Fei Yuan , Ran An , Huai-Ming Hu , Sa-Sa Shen , Xiaofang Wang , Meng-Lin Yang , Ganglin Xue Two new coordination polymers, [Zn2(cptpy)2Cl2]n·0.5nH2O (1) and [Cd2(cptpy)4]n·3.5nH2O (2) ...

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Glassy poly(methacrylate) terpolymers with covalently attached emitters and sensitizers for low‐power light upconversion

08-Apr-2015 | Soo Hyon Lee, David C. Thévenaz, Christoph Weder, Yoan C. Simon, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Low‐power light upconversion by triplet–triplet annihilation (TTA‐UC) was only recently demonstrated in glassy polymers and the upconversion efficiency in these materials is typically much lower than in solution. As aggregation of the chromophores was thought to be the culprit, we ...

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Synthesis, Characterization, and Field-Effect Transistors Properties of Novel Copolymers Incorporating Nonplanar Biindeno[2,1-b]thiophenylidene Building Blocks

08-Apr-2015 | Chao Li; Zupan Mao; Huajie Chen; Liping Zheng; Jianyao Huang; Bin Zhao; Songting Tan; Gui Yu, Macromolecules, 2015

A nonplanar but conjugated heteroacene, biindeno[2,1-b]thiophenylidene (BTP), is employed to design and synthesize solution-processable polymer semiconductors for organic field-effect transistors (OFETs) applications first. By copolymerizing with isoindigo (IDG), diketopyrrolopyrrole (DPP), and ...

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Efficient Sb2S3‐Sensitized Solar Cells Via Single‐Step Deposition of Sb2S3 Using S/Sb‐Ratio‐Controlled SbCl3‐Thiourea Complex Solution

07-Apr-2015 | Yong Chan Choi, Sang Il Seok, Advanced Functional Materials, 2015

To replace the conventional chemical bath deposition method, which is time‐consuming and has a high impurity level, a chemical single‐step deposition process employing a S/Sb ratio‐controlled SbCl3‐thiourea complex solution is introduced to load Sb2S3 into a mesoporous TiO2 electrode. This ...

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Thermoresponsive and magnetic molecularly imprinted polymers based on iron oxide encapsulated carbon nanotubes as a matrix for the selective adsorption and controlled release of 2,4,5‐trichlorophenol

07-Apr-2015 | Jianming Pan, Yijie Yin, Yunlei Zhang, Runrun Wu, Xiaohui Dai, Yongsheng Yan, Journal of Applied Polymer Science, 2015

ABSTRACT Thermoresponsive and magnetic molecularly imprinted polymers (TMMIPs) based on magnetic carbon nanotubes (MCNTs) were prepared and applied to the switched recognition and controlled release of 2,4,5‐trichlorophenol (2,4,5‐TCP) from aqueous solution. In this study, MCNTs were first ...

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High sensitivity sensing of nitroaromatic explosive vapors based on polytriphenylamines with AIE‐active tetraphenylethylene side groups

03-Apr-2015 | Wenyue Dong, Yuyu Pan, Martin Fritsch, Ullrich Scherf, Journal of Polymer Science Part A: Polymer Chemistry, 2015

ABSTRACT Two polytriphenylamines (PTPAs) (P1 and P2) with aggregation induced emission (AIE)‐active tetraphenylethylene side groups have been designed and successfully synthesized. Both polymers only faintly emit in dilute solution but show strong emission in aggregated state, meaning that ...

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