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1,860 Newest Publications about the topic elongation


Fabrication and characterization of novel hyperbranched polyimides with excellent organosolubility, thermal and mechanical properties

18-10-2014 | Wenqiu Chen, Quantao Li, Quanyuan Zhang, Zushun Xu, Xianbao Wang, Changfeng Yi, Journal of Applied Polymer Science, 2014

ABSTRACT A series of amine‐terminated and anhydride‐terminated hyperbranched polyimides (HBPIs) were successfully prepared with various commercial dianhydrides and a novel BB′2‐type aromatic triamine, 2,4,6‐tris[4‐(4‐aminophenoxy)phenyl]pyridine, with a symmetrical triaryl‐substituted ...


Isomorphic Emissive GTP Surrogate Facilitates Initiation and Elongation of in Vitro Transcription Reactions

17-10-2014 | Lisa S. McCoy; Dongwon Shin; Yitzhak Tor, Journal of the American Chemical Society, 2014

The fastidious behavior of T7 RNA polymerase limits the incorporation of synthetic nucleosides into RNA transcripts, particularly at or near the promoter. The practically exclusive use of GTP for transcription initiation further compounds this challenge, and reactions with GTP analogs, where the ...


Comparative Studies on Rigid π Linker‐Based Organic Dyes: Structure–Property Relationships and Photovoltaic Performance

15-10-2014 | Hairong Li, Teck Ming Koh, Yan Hao, Feng Zhou, Yuichiro Abe, Haibin Su, Anders Hagfeldt, Andrew C. Grimsdale, ChemSusChem, 2014

Abstract A series of six structurally correlated donor–π bridge–acceptor organic dyes were designed, synthesized, and applied as sensitizers in dye‐sensitized solar cells. Using the most widely studied donor (triarylamine) and cyclopenta[1,2‐b:5,4‐b′]dithiophene or ...


Role of Internal Water on Protein Thermal Stability: The Case of Homologous G Domains

15-10-2014 | Obaidur Rahaman; Maria Kalimeri; Simone Melchionna; Jérôme Hénin; Fabio Sterpone, Journal of Physical Chemistry B, 2014

In this work, we address the question of whether the enhanced stability of thermophilic proteins has a direct connection with internal hydration. Our model systems are two homologous G domains of different stability: the mesophilic G domain of the elongation factor thermal unstable protein from ...


Microfluidic Gradients Reveal Enhanced Neurite Outgrowth but Impaired Guidance within 3D Matrices with High Integrin Ligand Densities

14-10-2014 | Nicole H. Romano, Kyle J. Lampe, Hui Xu, Meghaan M. Ferreira, Sarah C. Heilshorn, Small, 2014

The density of integrin‐binding ligands in an extracellular matrix (ECM) is known to regulate cell migration speed by imposing a balance of traction forces between the leading and trailing edges of the cell, but the effect of cell‐adhesive ligands on neurite chemoattraction is not well ...


Layer-by-Layer Assembled Antisense DNA Microsponge Particles for Efficient Delivery of Cancer Therapeutics

14-10-2014 | Young Hoon Roh; Jong Bum Lee; Kevin E. Shopsowitz; Erik C. Dreaden; Stephen W. Morton; Zhiyong Poon; Jinkee Hong; In ..., ACS Nano, 2014

Antisense oligonucleotides can be employed as a potential approach to effectively treat cancer. However, the inherent instability and inefficient systemic delivery methods for antisense therapeutics remain major challenges to their clinical application. Here, we present a polymerized ...


Using gelatin protein to facilitate paper thermoformability

12-10-2014 | Author(s): Alexey Khakalo , Ilari Filpponen , Leena-Sisko Johansson , Alexey Vishtal , Arcot R. Lokanathan , Or ..., Reactive and Functional Polymers, 2014

Publication date: Available online 2 October 2014 Source:Reactive and Functional Polymers Author(s): Alexey Khakalo , Ilari Filpponen , Leena-Sisko Johansson , Alexey Vishtal , Arcot R. Lokanathan , Orlando J. Rojas , Janne Laine One of the main challenges of fiber-based packaging ...


Biopolymeric matrices made of carrageenan and corn starch for the antioxidant extracts delivery of Cuban red propolis and yerba mate

12-10-2014 | Author(s): Liliam Chang-Bravo , Alex López-Córdoba , Miriam Martino, Reactive and Functional Polymers, 2014

Publication date: Available online 2 October 2014 Source:Reactive and Functional Polymers Author(s): Liliam Chang-Bravo , Alex López-Córdoba , Miriam Martino The design of biopolymeric matrices for the delivery of bioactive compounds constitutes a useful strategy to prevent the spoilage ...


Molecules, Vol. 19, Pages 16024-16038: Epoxidized Vegetable Oils Plasticized Poly(lactic acid) Biocomposites: Mechanical, Thermal and Morphology Properties

08-10-2014 | Chieng, Buong Woei; Ibrahim, Nor Azowa; Then, Yoon Yee; Loo, Yuet Ying, Molecules, 2014

Plasticized poly(lactic acid) PLA with epoxidized vegetable oils (EVO) were prepared using a melt blending method to improve the ductility of PLA. The plasticization of the PLA with EVO lowers the Tg as well as cold-crystallization temperature. The tensile properties demonstrated that the ...


Synthesis and Chiroptical Properties of Helical Polyallenes Bearing Chiral Amide Pendants

08-10-2014 | Yuan-Yuan Zhu; Ting-Ting Yin; Xue-Liang Li; Ming Su; Ya-Xin Xue; Zhi-Peng Yu; Na Liu; Jun Yin; Zong-Quan Wu, Macromolecules, 2014

Two allene derivatives, l- and d-N-(1-(octylamino)-1-oxopropan-2-yl)-4-(propa-1,2-dien-1-yloxy)benzamide (l-1 and d-1), bearing chiral amide pendants were designed and synthesized. Living polymerizations of l-1 and d-1 with allylnickel complex as a catalyst afforded poly-l-1m and poly-d-1m with ...


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