Three-Dimensional Polymer Constructs Exhibiting a Tunable Negative Poisson's Ratio [0.03%]
泊松比可调的三维聚合物结构体显示负泊松比
David Y Fozdar,Pranav Soman,Jin Woo Lee et al.
David Y Fozdar et al.
Young's modulus and Poisson's ratio of a porous polymeric construct (scaffold) quantitatively describe how it supports and transmits external stresses to its surroundings. While Young's modulus is always non-negative and highly tunable in m...
Wavelength-Selective Light-Induced Release from Plasmon Resonant Liposomes [0.03%]
具有等离激元共振的脂质体的选择性波长光控释放性能
Sarah J Leung,Xenia M Kachur,Michael C Bobnick et al.
Sarah J Leung et al.
Biodegradable, spectrally tunable plasmon resonant nanocapsules are created via the deposition of gold onto the surface of 100 nm diameter thermosensitive liposomes. These nanocapsules demonstrate selective release of encapsulated contents ...
In Situ Porous Structures: A Unique Polymer Erosion Mechanism in Biodegradable Dipeptide-based Polyphosphazene and Polyester Blends Producing Matrices for Regenerative Engineering [0.03%]
原位多孔结构：可降解二肽基聚磷氮烷与聚酯共混物中产生再生工程基质的一种独特的聚合物侵蚀机制
Meng Deng,Lakshmi S Nair,Syam P Nukavarapu et al.
Meng Deng et al.
Synthetic biodegradable polymers serve as temporary substrates that accommodate cell infiltration and tissue in-growth in regenerative medicine. To allow tissue in-growth and nutrient transport, traditional three-dimensional (3D) scaffolds ...
High Electromechanical Response of Ionic Polymer Actuators with Controlled-Morphology Aligned Carbon Nanotube/Nafion Nanocomposite Electrodes [0.03%]
具有可控形态CNT/Nafion纳米复合材料电极的高机电响应离子聚合物执行器
Sheng Liu,Yang Liu,Hülya Cebeci et al.
Sheng Liu et al.
Recent advances in fabricating controlled-morphology vertically aligned carbon nanotubes (VA-CNTs) with ultrahigh volume fraction create unique opportunities for markedly improving the electromechanical performance of ionic polymer conducto...
Jennifer N Hanson Shepherd,Sara T Parker,Robert F Shepherd et al.
Jennifer N Hanson Shepherd et al.
Three-dimensional (3D) microperiodic scaffolds of poly(2-hydroxyethyl methacrylate) (pHEMA) have been fabricated by direct-write assembly of a photopolymerizable hydrogel ink. The ink is initially composed of physically entangled pHEMA chai...
A Generalized System for Photo-Responsive Membrane Rupture in Polymersomes [0.03%]
一种在聚合物囊泡中进行光响应膜破裂的通用体系
Neha P Kamat,Gregory P Robbins,Jeffrey S Rawson et al.
Neha P Kamat et al.
Polymersomes are vesicles whose membranes are comprised of self-assembled block co-polymers. We recently showed that co-encapsulating conjugated multi-porphyrin dyes in a polymersome membrane with ferritin protein in the aqueous lumen confe...
Fabrication of Density Gradients of Biodegradable Polymer Microparticles and Their Use in Guiding Neurite Outgrowth [0.03%]
生物可降解聚合物微粒密度梯度的制备及其在导向神经突生长中的应用
Xiaoran Li,Matthew R Macewan,Jingwei Xie Dr et al.
Xiaoran Li et al.
We report a new method for generating both continuous and discrete density gradients in microparticles of biodegradable polymers via an electrospray technique. The gradients were generated by spatially varying the deposition time of electro...
Electrodeposition on nanofibrous polymer scaffolds: Rapid mineralization, tunable calcium phosphate composition and topography [0.03%]
纳米纤维聚合物支架上的电沉积：快速矿化、可调的磷酸钙组成和形貌
Chuanglong He,Guiyong Xiao,Xiaobing Jin et al.
Chuanglong He et al.
We developed a straightforward, fast, and versatile technique to fabricate mineralized nanofibrous polymer scaffolds for bone regeneration in this work. Nanofibrous poly(l-lactic acid) scaffolds were fabricated using both electrospinning an...
Michelle M Ward Muscatello,Sanford A Asher
Michelle M Ward Muscatello
We developed a new photonic crystal hydrogel material based on the biocompatible polymer poly (vinyl alcohol) (PVA), which can be reversibly dehydrated and rehydrated, without the use of additional fillers, while retaining the diffraction a...
Kimberly A Homan,Jeffrey Chen,Adriane Schiano et al.
Kimberly A Homan et al.
Colloidal "silver stars" were synthesized upon poly(lactic-co-glycolic) acid nanosphere templates via a facile two-step silver reduction method. Myriad dendrimer-like Ag star morphologies were synthesized by varying the amount of poly(vinyl...