Polymorphism and Stretch-Induced Transformations of Sustainable Polyethylene-Like Materials [0.03%]
可持续聚乙烯类材料的多态性和拉伸诱导转变
Hamed Janani,Stephanie F Marxsen,Marcel Eck et al.
Hamed Janani et al.
Herein we demonstrate that polyethylene-like bioderived, biodegradable, and fully recyclable unbranched aliphatic polyesters, such as PE-2,18, develop hexagonal crystal structures upon quenching from the melt to temperatures
Thermosensitive Capturer Coupled with the CD63 Aptamer for Highly Efficient Isolation of Exosomes [0.03%]
与CD63适配子结合的热敏捕获器用于高效分离外泌体
Junjun Yu,Ying Wei,Zepeng Cui et al.
Junjun Yu et al.
Exosomes are bioactive substances secreted by various cells that play a crucial role in cell communication. Due to their nanoscale size and interference from nonexosome proteins, the rapid capture and nondestructive release of exosomes rema...
Selective and Sequential Catalytic Chemical Depolymerization and Upcycling of Mixed Plastics [0.03%]
混合塑料的选择性和顺序催化化学解聚及升级回收
Adam J Spicer,Arianna Brandolese,Andrew P Dove
Adam J Spicer
Chemical recycling to monomer (CRM) provides a useful technique to allow for polymer-to-monomer-to-polymer circular economies. A significant challenge remains, however, in the treatment of mixed plastics by CRM in which unselective depolyme...
Ring-Opening Polymerization of Cyclic Esters and Carbonates with (Thio)urea/Cyclopropenimine Organocatalytic Systems [0.03%]
(硫)脲/环丙烯亚胺型有机催化体系对内酯和碳酸酯的开环聚合研究
Romain Morodo,David M Dumas,Jia Zhang et al.
Romain Morodo et al.
Organocatalyzed ring-opening polymerization is a powerful tool for the synthesis of a variety of functional, readily degradable polyesters and polycarbonates. We report the use of (thio)ureas in combination with cyclopropenimine bases as a ...
Connecting Molecular Exchange Dynamics to Stress Relaxation in Phase-Separated Dynamic Covalent Networks [0.03%]
在相分离的动态共价网络中连接分子交换动力学到应力松弛
Neil D Dolinski,Ran Tao,Nicholas R Boynton et al.
Neil D Dolinski et al.
A suite of phase separated dynamic covalent networks based on highly tunable dynamic benzalcyanoacetate (BCA) thia-Michael acceptors are investigated. In situ kinetic studies on small molecule model systems are used in conjunction with macr...
Facile Fabrication of Polymer Electrolytes with Branched Structure via Deep Eutectic Electrolyte-Enabled In Situ Polymerizations [0.03%]
通过深共晶电解质使聚物原位聚合从而简易制造具有支链结构的聚合物电解质
Jirong Wang,Yong Zhang,Weixin Ye et al.
Jirong Wang et al.
The demand for higher energy density in energy storage devices drives further research on lithium metal batteries (LMBs) because of the high theoretical capacity and low voltage of lithium metal anode. Polymer electrolytes (PEs) exhibit obv...
Tailoring Gene Transfer Efficacy through the Arrangement of Cationic and Anionic Blocks in Triblock Copolymer Micelles [0.03%]
通过三嵌段共聚物胶束中阳离子和阴离子片段的排列调节基因转导效率
Katharina Leer,Liên S Reichel,Mara Wilhelmi et al.
Katharina Leer et al.
The arrangement of charged segments in triblock copolymer micelles affects the gene delivery potential of polymeric micelles and can increase the level of gene expression when an anionic segment is incorporated in the outer shell. Triblock ...
Solvent-Promoted Catalyst-Free Recycling of Waste Polyester and Polycarbonate Materials [0.03%]
溶剂促进的无催化剂废聚酯与聚碳酸酯材料回收
Qiao Zhang,Chenyang Hu,Peng-Yuan Li et al.
Qiao Zhang et al.
Polymeric materials are indispensable in our daily lives. However, the generation of vast amounts of waste polymers poses significant environmental and ecological challenges. Instead of resorting to landfilling or incineration, strategies f...
Access to Functionalized Materials by Metal-Free Ring-Opening Metathesis Polymerization of Active Esters and Divergent Postpolymerization Modification [0.03%]
活性酯和聚合后发散修饰的无金属开环易位聚合制备功能化材料
Sean R Gitter,Ruojia Li,Andrew J Boydston
Sean R Gitter
Metal-free ring-opening metathesis polymerization (MF-ROMP) is an emerging polymerization strategy that provides access to ROMP materials by using organic initiators and photoredox catalysts. Unlike metal-mediated ROMP, MF-ROMP is not highl...
Extensional Flow-Induced Concentration Gradient in Entangled Polymer Solutions with Chemically Identical Species [0.03%]
具有化学相同组分的缠结聚合物溶液中的伸直流诱导浓度梯度
Shuang Liu,Li Peng,Siying Xiang et al.
Shuang Liu et al.
Entangled polymer solutions show different rheological behavior from melts in fast extensional flow. This discrepancy is not expected according to the classic tube model and is an urgent issue to be solved in polymer physics. While in the t...