Results 81 to 90 of about 1,529,309 (330)

Co‐Solvent‐Aided Opto‐Thermophoretic Printing of Gold Nanorod Assemblies

Advanced Optical Materials, EarlyView.
A focused laser beam creates a thermal gradient, driving the gold nanorods and polymer coils toward the heated region of the glass substrate, i.e, the laser spot. After the adsorption of the polymer on the gold surface, the nanorods start to assemble onto the surface in a ring‐shaped pattern that grows radially until the beam is turned off.
Ana Jiménez Amaya, Claire Goldmann, Maike C. Haidasch, Cyrille Hamon, Eric H. Hill   +4 more
wiley   +1 more source

Aging scaled Brownian motion. [PDF]

Physical review. E, Statistical, nonlinear, and soft matter physics, 2015
Scaled Brownian motion (SBM) is widely used to model anomalous diffusion of passive tracers in complex and biological systems. It is a highly nonstationary process governed by the Langevin equation for Brownian motion, however, with a power-law time ...
H. Safdari, A. Chechkin, G. Jafari, R. Metzler   +3 more
semanticscholar   +1 more source

Supramolecular Design of Polymeric Random Lasers

Advanced Optical Materials, EarlyView.
This research investigates the application of PolyHIPE scaffolds as scattering media inRLs. By modifying the scaffold's morphology, pore size, and surface chemistry, the dye distribution within the material is precisely controlled, achieving a tunable laser threshold.
Junyang Chen, Zhendong Xie, Riccardo Sapienza, Zhijia Hu, Lorena Ruiz‐Pérez, Xiaohe Tian, Giuseppe Battaglia   +6 more
wiley   +1 more source

A discrete-time model that weakly converges to a continuous-time geometric Brownian motion with Markov switching drift rate

Frontiers in Applied Mathematics and Statistics
This research is devoted to studying a geometric Brownian motion with drift switching driven by a 2 × 2 Markov chain. A discrete-time multiplicative approximation scheme was developed, and its convergence in Skorokhod topology to the continuous-time ...
Vitaliy Golomoziy, Yuliya Mishura, Kamil Kladívko   +2 more
doaj   +1 more source

A group action on increasing sequences of set-indexed Brownian motions

Modern Stochastics: Theory and Applications, 2015
We prove that a square-integrable set-indexed stochastic process is a set-indexed Brownian motion if and only if its projection on all the strictly increasing continuous sequences are one-parameter G-time-changed Brownian motions.
Arthur Yosef
doaj   +1 more source

Collective motion of active Brownian particles with polar alignment. [PDF]

Soft Matter, 2018
We present a comprehensive computational study of the collective behavior emerging from the competition between self-propulsion, excluded volume interactions and velocity-alignment in a two-dimensional model of active particles.
Aitor Martín-Gómez, D. Levis, A. Díaz-Guilera, I. Pagonabarraga   +3 more
semanticscholar   +1 more source

Harnessing Ultrafast Optical Pulses for 3D Microfabrication by Selective Tweezing and Immobilization of Colloidal Particles in an Integrated System

Advanced Photonics Research, Volume 6, Issue 5, May 2025.
Microfabrication using nano‐ to micron‐sized blocks has transformative potential for next‐gen electronics, optoelectronics, and materials. Traditional methods are limited by scalability and precision. STIC, a single‐laser system for precise colloid manipulation and immobilization using femtosecond lasers, is introduced that enables efficient 3D ...
Krishangi Krishna, Jieliyue Sun, Wenyu Liu, Robert H. Hurt, Kimani C. Toussaint Jr.   +4 more
wiley   +1 more source

Ultrasound‐Induced Nitric Oxide‐Propelled Nanomotor for Multimodal Theranostics of Cancer with Deep Penetration and Extended Lifetime

Advanced Science, EarlyView.
A hollow nanomotor (PM‐HMSN/Arg) propelled by ultrasound‐triggered nitric oxide (NO) was developed. The nanomotor employs a “tethering‐relaxing‐drilling” mechanism to overcome biological barriers, enabling multimodal theranostics of cancer with deep penetration and extended lifetime.
Xue Xu, Jinxu Cao, Yan Mu, Hao Zhang, Ya‐Lei Wang, Mengzhen Chen, Yuce Li, Qian Hua   +7 more
wiley   +1 more source

Scaled Brownian motion: a paradoxical process with a time dependent diffusivity for the description of anomalous diffusion. [PDF]

Physical Chemistry, Chemical Physics - PCCP, 2014
Anomalous diffusion is frequently described by scaled Brownian motion (SBM), a Gaussian process with a power-law time dependent diffusion coefficient. Its mean squared displacement is 〈x(2)(t)〉 ≃ 2K(t)t with K(t) ≃ t(α-1) for 0 < α < 2. SBM may provide a
Jae-Hyung Jeon, A. Chechkin, R. Metzler
semanticscholar   +1 more source

Red Blood Cell‐Induced Bacterial Margination Improves Microbial Hemoadsorption on Engineered Cell‐Depleted Thrombi, Restoring Severe Bacteremia in Rats

Advanced Science, EarlyView.
A highly efficient extracorporeal device for treating bacteremia is developed by integrating microfluidic bacterial margination and engineered cell‐depleted thrombi strategically constructed in the device. The rodent models, severely infected with antibiotic‐resistant bacteria, recover from bacteremia after two subsequent extracorporeal blood ...
Bong Hwan Jang, Su Hyun Jung, Seyong Kwon, Sung Jin Park, Joo H. Kang   +4 more
wiley   +1 more source