Mattia Alberto Ubertini,Emanuele Locatelli,Angelo Rosa
Mattia Alberto Ubertini
We present an in-depth multiscale analysis of the conformations and dynamics of polar active polymers, comparing very dilute and very dense conditions. We unveil characteristic length and time scales, common to both dilute and dense systems...
Simple Fabrication and Unique Fiber Growth Mechanism of Copper(I) 4-Toluenethiolate-Based Fibrous Coordination Polymer [0.03%]
基于铜(I)-对甲苯硫醇配体纤维状配位聚合物的简易合成及独特的生长机理研究
Hiroshi Eguchi,Takako Nodake,Kenji Nagata
Hiroshi Eguchi
Coordination polymers (CPs) exhibit various distinctive properties owing to the metals incorporated in their main chains. These properties make CPs appealing for applications in optoelectronic devices and sensors and as precursors for inorg...
Kaitlin Wang,Karen I Winey
Kaitlin Wang
This study examines nanoparticle diffusion in crowded polymer nanocomposites by diffusing small Al2O3 nanoparticles (NPs) in SiO2-loaded P2VP matrices. Time-of-flight secondary ion mass spectroscopy (ToF-SIMS) measures Al2O3 NP diffusion co...
Unexpected Two-Stage Swelling of Weak Polyelectrolyte Brushes with Divalent Counterions [0.03%]
弱聚电解质刷在二价反离子作用下产生 Unexpected 的两阶段溶胀现象
David Beyer,Christian Holm
David Beyer
We use particle-based, coarse-grained simulations to study the influence of divalent counterions on a weak polyelectrolyte brush. Our simulations show a profound influence of even small concentrations of divalent salt on the titration behav...
From Chitin Nanowhisker Colloidal Dispersions to Anisotropic Microfibers: Structural Evolution in Its Transformation Process as Revealed by Synchrotron Wide-Angle X-ray Diffraction Measurements [0.03%]
基于同步辐射宽角X射线衍射测量的几丁质纳米须素胶体分散液至各向异性微纤维结构演变关系的研究
Phanicha Wiwatsamphan,Kohji Tashiro,Hiroyasu Masunaga et al.
Phanicha Wiwatsamphan et al.
Nanowhiskers in a colloidal dispersion are known to form chiral nematic liquid crystals (CNLC), as seen in a cellulose nanowhisker or so-called cellulose nanocrystal and chitin nanowhisker. In our related work, we clarified that once the th...
Elucidating Nonlinear Stress Relaxation in Transient Networks through Two-Dimensional Rheo-Optics [0.03%]
基于二维流变光学阐明瞬态网络中的非线性应力松弛现象
Yuta Yamamoto,Yoshifumi Yamagata,Taisuke Sato et al.
Yuta Yamamoto et al.
This study aims to elucidate the origin of nonlinear stress relaxation behaviors in transient networks using a systematically controlled model system consisting of the tetra-armed polyethylene glycols (Tetra-PEG slime) in conjunction with t...
Diffusive Trends in Concentrated Oppositely-Charged Polyelectrolyte Solutions and Onset of Glassy Dynamics [0.03%]
浓缩型相反电荷聚电解质溶液中的扩散趋势及其玻璃态动力学的初始形成
Harrison Landfield,Muzhou Wang
Harrison Landfield
We utilize single particle tracking studies to investigate the diffusion of polylysine through concentrated matrices of cationic polylysine and anionic polyglutamic acid with no added salts. These studies show that diffusivity has a strong ...
Mimics of Host Defense Peptides Derived from Dendronized Polylysines for Antibacterial and Anticancer Therapy [0.03%]
基于树枝状聚赖氨酸的宿主防御肽衍生物在抗菌和抗肿瘤治疗中的应用
Yusheng Qian,Danjing Yang,Jiaming Zhu et al.
Yusheng Qian et al.
Bacteria in tumor microenvironments promote carcinogenesis and trigger complications, suggesting the significance of intervening in bacterial growth in cancer treatment. Here, dendrimer-derived mimics (DMs) of host defense peptides (HDPs) w...
Reprocessable, Self-Healing, and Creep-Resistant Covalent Adaptable Network Made from Chain-Growth Monomers with Dynamic Covalent Thionourethane and Disulfide Cross-Links [0.03%]
由动态可交联硫脲和二硫化物链生长单体制成的可重复加工、自修复且具有抗蠕变性的共价适应性网络
Tong Wang,Yixuan Chen,Boran Chen et al.
Tong Wang et al.
We synthesized covalent adaptable networks (CANs) made from chain-growth comonomers using nonisocyanate thiourethane chemistry. We derivatized glycidyl methacrylate with cyclic dithiocarbonate (GMA-DTC), did a free-radical polymerization of...
Crystalline Nanoflowers Derived from the Intramolecular Cyclization-Induced Self-Assembly of an Amorphous Poly(amic acid) at High Solid Content [0.03%]
高固含量无定形聚酰胺酸分子内环化诱导自组装生长的结晶纳米花状聚合物超结构
Jiamei Liu,Tao Wang,Hui Sun
Jiamei Liu
The investigation of the amorphous to crystalline transformation and the corresponding influence on the self-assembly behavior of amphiphilic polymers are of significant interest in this field. Herein, we propose the concept of intramolecul...