Results 81 to 90 of about 44,217 (244)

Finite Size Polyelectrolyte Bundles at Thermodynamic Equilibrium

, 2006
We present the results of extensive computer simulations performed on solutions of monodisperse charged rod-like polyelectrolytes in the presence of trivalent counterions. To overcome energy barriers we used a combination of parallel tempering and hybrid
C Holm, Frenkel D., Ha B.-Y., Holm C., Käs J., Levin Y., Limbach H. J., M Sayar, Tang J. X.   +8 more
core   +2 more sources

Chemical analysis and aqueous solution properties of Charged Amphiphilic Block Copolymers PBA-b-PAA synthesized by MADIX [PDF]

, 2007
We have linked the structural and dynamic properties in aqueous solution of amphiphilic charged diblock copolymers poly(butyl acrylate)-b-poly(acrylic acid), PBA-b-PAA, synthesized by controlled radical polymerization, with the physico-chemical ...
Berret, J. -F., Cottet, H., Futterer, T., Jacquin, M., Muller, P., Talingting-Pabalan, R., Theodoly, O.   +6 more
core   +5 more sources

Selenium‐Incorporated Polymerized Nonfullerene Acceptors/SWCNT Composites with Polymer‐Assisted n‐Doping for High‐Performance Organic Thermoelectrics

Advanced Functional Materials, EarlyView.
Selenium‐incorporated polymerized nonfullerene acceptor PCB2Se forms a strong supramolecular complex with SWCNTs, enabling a record‐high zT of 0.29. Sequential N‐DMBI doping, mediated through a polymer‐assisted electron‐transfer pathway, successfully converts the PCB2Se/SWCNT composite into an efficient n‐type material with an impressive power factor ...
Chi‐Chun Tseng, Che‐An Chou, Chi Chang, Li‐Lun Yeh, Chien‐Yi Ku, Jhih‐Min Lin, Shih‐Huang Tung, Cheng‐Liang Liu, Yen‐Ju Cheng   +8 more
wiley   +1 more source

Arresting bubble coarsening: A two-bubble experiment to investigate grain growth in presence of surface elasticity

, 2017
Many two-phase materials suffer from grain-growth due to the energy cost which is associated with the interface that separates both phases. While our understanding of the driving forces and the dynamics of grain growth in different materials is well ...
A. Maestro, A. Salonen, Binks B. P., C. Gay, E. Rio, Gibbs J. W., Novikov V., Smith C. S., Taccoen N., W. Drenckhan, Weaire D., Weaire D.   +11 more
core   +2 more sources

The precise determination of polydispersity index (PI) in rheological testing of polypropylene

Advances in Polymer Technology, 1993
AbstractThe polydispersity index (PI) of polypropylene (PP) obtained from plotting the crossover point of shear storage modulus (G′) and loss modulus (G″) was comparable to that using gel permeation chromatography (GPC). The precise PI determination was dependent upon the material properties of PP and rheological measurement technique.
openaire   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

Advanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi, Norma Mallegni, Andrea Dorigato, Mario Milazzo   +3 more
wiley   +1 more source

Lysosome‐Acidifying Nanoparticles Rescue A30P α‐Synuclein Induced Neuronal Death in Cellular and Drosophila Models of Parkinson's Disease

Advanced Healthcare Materials, EarlyView.
Lysosome‐targeted acidic nanoparticles based on a biodegradable poly(ethylene tetrafluorosuccinate‐co‐succinate) copolymer are engineered to restore impaired lysosomal acidification through pH‐responsive intracellular degradation. Localized acid release enhances autophagic proteolysis, reduces α‐synuclein accumulation, and preserves dopaminergic neuron
Chih Hung Lo, Mengda Ren, Gavin Wen Zhao Loi, Eka Norfaishanty Saipuljumri, Jonathan Indajang, Kah Leong Lim, Jialiu Zeng   +6 more
wiley   +1 more source

Multiple scattering effects on intercept, size, polydispersity index, and intensity for parallel (VV) and perpendicular (VH) polarization detection in photon correlation spectroscopy

Scientific Reports, 2020
Dynamic light scattering (DLS) is well established for rapid size, polydispersity, and size distribution determination of colloidal samples. While there are limitations in size range, resolution, and concentration, the technique has found ubiquitous ...
Ragy Ragheb, Ulf Nobbmann
doaj   +1 more source

Methods to calibrate and scale axial distances in confocal microscopy as a function of refractive index

, 2014
Accurate distance measurement in 3D confocal microscopy is important for quantitative analysis, volume visualization and image restoration. However, axial distances can be distorted by both the point spread function and by a refractive-index mismatch ...
Besseling, Thijs Herman, Jose, Jissy, van Blaaderen, Alfons   +2 more
core   +1 more source

Aqueous Two‐Phase Bioinks for Discrete Packing and Compartmentalization of 3D Bioprinted Cells

Advanced Healthcare Materials, EarlyView.
Aqueous two‐phase systems (ATPS) enable the formation of biomimetic interfaces crucial for tissue engineering. However, clinical translation remains limited by the challenge of precisely controlling cellular compartmentalization. Here, we developed ATPS biomaterial inks for 3D bioprinting allowing tuneable droplet formation via NaCl modulation.
Martina Marcotulli, Arianna Iacomino, Federico Serpe, Lucia Iafrate, Marco Bastioli, Giorgia Montalbano, Michele D'Orazio, Biagio Palmisano, Silvia Franco, Arianna Mencattini, Roberta Angelini, Eugenio Martinelli, Alessandro Corsi, Mara Riminucci, Giancarlo Ruocco, Chiara Scognamiglio, Andrea Barbetta, Gianluca Cidonio   +17 more
wiley   +1 more source