Modeling Bending and Kinking of DNA Minicircles in Elongational Flow [0.03%]
拉伸流中DNA miniature圈弯曲和打结的模拟研究
Richard B Huang,Patrick S Doyle
Richard B Huang
DNA minicircles are a model system for DNA bending mechanics, and their response to nonuniform forcing, such as flow, provides insight into the deformation of broader DNA nanostructures in application environments. In this work we use molec...
Determining Preparation-Induced Differences in Local Forces Acting along Polymer Chains in Spin-Coated Films [0.03%]
确定沿旋涂膜聚合物链作用的地方力的制备诱导差异
Meirui Fu,Raphael Hertel,Bence Dajka et al.
Meirui Fu et al.
We employed photoluminescence (PL) from mechanochromophores covalently linked into the backbone of a glassy polymer as optical force sensors ("optical springs") to resolve forces acting along polymer chains in spin-coated thin films. From t...
Stiffness Tuning and Ductility Enhancement of Semicrystalline Polymers by Incorporating Miscible Noncrystallizable Blocks [0.03%]
通过掺入可混溶的非晶态链段来调节半结晶聚合物的刚性和增加其韧性
Katherine M Gunter,Richard A Register
Katherine M Gunter
The mechanical behavior of hydrogenated poly(norbornene-b-substituted norbornene) diblock copolymers was investigated, where the substituted norbornene blocks are intimately mixed within the amorphous layer between hydrogenated polynorborne...
Machine Learning Driven Analysis Yields Insight into the Processing Robustness of Organic Photovoltaics [0.03%]
机器学习驱动的分析揭示了有机光伏处理稳健性的见解
Stephen Wong,Ankush Kumar Mishra,Baskar Ganapathysubramanian et al.
Stephen Wong et al.
Optimizing the processing window for organic photovoltaics (OPVs) can deliver high efficiency and yield. In practice, small drifts in solution concentration, additive fraction, drying rate, or ambient humidity readily perturb the evolving m...
Jianwei Zhang,Jiajia Zhou,Hans-Jürgen Butt et al.
Jianwei Zhang et al.
We report the segmental dynamics of poly(n-ethyl methacrylate) melts forming nanotubes inside cylindrical alumina nanopores (AAOs). Long nanotubes were fabricated at the inner pore walls by the polymer precursor film during the complete wet...
Colorless High-Refractive-Index and X-ray-Shielding Polymer Films from m-Styrylbismuthines [0.03%]
无色高折射率和防射线聚合物薄膜的制备(m-茋基铋类单体)
Yoshimasa Matsumura,Bungo Ochiai
Yoshimasa Matsumura
Polymers containing heavy elements exhibit high refractive indices and excellent radiation shielding properties. However, a major challenge is their tendency to absorb visible light, leading to coloration and reduced transparency. To addres...
Deliquescent Salt Layer-Induced Asymmetric Porosity and Self-Polarized β-Phase in Spin-Coated PVDF Membranes [0.03%]
旋涂PVDF膜中可溶盐层诱导的不对称孔隙率和自极化β相
Mengyang Liu,Zheng Xing,Zhanbin Qiu et al.
Mengyang Liu et al.
Achieving simultaneous control over the self-polarized β-phase and strain-amplifying microarchitectures in PVDF remains challenging. Here, we report a facile approach that introduces a deliquescent salt layer (e.g., CaCl2) during conventio...
Selectively Antibacterial Action of Deoxy Cationic Cellulose for Effectively Killing ESKAPE Bacteria [0.03%]
脱氧阳离子纤维素的选择性抗菌作用有效杀死ESKAPE细菌
Xi Wang,Hailong Zhuo,Chunchun Yin et al.
Xi Wang et al.
Efficiently eradicating superbacteria without harming normal cells and inducing bacterial drug-resistance holds significant importance in safeguarding human health. Herein, we discovered a novel selective bactericidal material synthesized f...
Neutral Silicon-Based Lewis Pairs for Living Polymerization of N, N-Dialkylacrylamide Monomers [0.03%]
适用于N,N-二烷基丙烯酰胺单体活性聚合的中性硅基路易斯配对试剂
Wuchao Zhao,Zongpeng Guo,Jianghua He et al.
Wuchao Zhao et al.
The development of neutral silicon-based Lewis acids (LAs) has gained increasing attention, their use as catalysts for polymerization reactions has not yet been reported. Herein, we report a neutral silicon-based Lewis pair (LP) catalytic s...
Coordination-Engineered Zr Centers in Covalent Organic Frameworks: From O-Zr-O to N-Zr-N for Enhanced Ethylene Polymerization [0.03%]
共价有机框架中的配位工程Zr中心：从O-Zr-O到N-Zr-N以增强乙烯聚合
Nian-Zu Shu,Hao-Tian Li,Yu-Qing Peng et al.
Nian-Zu Shu et al.
The synthesis of ultrahigh-molecular-weight polyethylene (UHMWPE) is often hampered by the inherent compromise in traditional catalysts, such as Ziegler-Natta systems, which struggle to balance high activity with precise control over molecu...