نتایج جستجو برای: hydrodynamic diameter

تعداد نتایج: 135632  

Ameneh Pakniat, Bit Geramizadeh , Farhad Koohpeyma , Fatemeh Rezaei , Mohammadreza Fattahi , Narges Nejabat , Seyed Younes Hosseini ,

Background and Aims: Adenovector gene transfer induces inflammatory response that finally leads to vector removal from delivered site. The effect of hydrodynamic pre-injection on Adenovector mediated liver inflammation remained elusive. Materials and Methods: Different mice groups were pre-treated by hydrodynamic saline, dexamethasone or nothing prior to Adeno-Luciferase administration. Their s...

2006
Maxim V. Pavlov

New approach in classification of integrable hydrodynamic chains is established. This is the method of the Hamiltonian hydrodynamic reductions. Simultaneously, this approach yields explicit Hamiltonian hydrodynamic reductions of the Hamiltonian hydrodynamic chains. The concept of reducible Poisson brackets is established. Also this approach is useful for non-Hamiltonian hydrodynamic chains. The...

Journal: :Physical review 2021

It is demonstrated that properly reduced transport coefficients (self-diffusion, shear viscosity, and thermal conductivity) of Lennard-Jones fluids along isotherms exhibit quasi-universal scaling on the density divided by its value at freezing point. Moreover, this closely related to hard-sphere fluids. The Stokes-Einstein relation without hydrodynamic diameter valid in dense fluid regime. lowe...

In the procedure of designing an underwater vehicle or robot, its maneuverability and controllability must be simulated and tested, before the product is finalized for manufacturing. Since the hydrodynamic forces and moments highly affect the dynamic and maneuverability of the system, they must be estimated with a reasonable accuracy. In this study, hydrodynamic coefficients of an autonomous un...

Journal: :Chemical engineering research & design 2021

An innovative-structured packing (for distillation and absorption columns) based on cylindrical wires is 3D printed in polyamide stainless steel. Several configurations are designed by modifying some geometrical parameters, such as the wire diameter length. Hydrodynamic mass transfer studies executed structures a reference internal (Mellapak 250Y) to characterize their performances. These new p...

2014
Jani Tuoriniemi Ann-Cathrin J H Johnsson Jenny Perez Holmberg Stefan Gustafsson Julián A Gallego-Urrea Eva Olsson Jan B C Pettersson Martin Hassellöv

There can be a large variation in the measured diameter of nanoparticles depending on which method is used. In this work, we have strived to accurately determine the mean particle diameter of 30-40 nm colloidal silica particles by using six different techniques. A quantitative agreement between the particle size distributions was obtained by scanning electron microscopy (SEM), and electrospray-...

Journal: :Nanoscale 2014
Daniel Nordmeyer Patrick Stumpf Dominic Gröger Andreas Hofmann Sven Enders Sebastian B Riese Jens Dernedde Matthias Taupitz Ursula Rauch Rainer Haag Eckart Rühl Christina Graf

Monodisperse small iron oxide nanoparticles functionalized with dendritic polyglycerol (dPG) or dendritic polyglycerol sulfate (dPGS) are prepared. They are highly stable in aqueous solutions as well as physiological media. In particular, oleic acid capped iron oxide particles (core diameter = 11 ± 1 nm) were modified by a ligand exchange process in a one pot synthesis with dPG and dPGS bearing...

2003
R. Kelly E. S. Gudo J. R. Mitchell S. E. Harding

The techniques of sedimentation analysis in the analytical ultracentrifuge, relative viscosity and dynamic light scattering were used to study the effect of heat treatment on dilute solution mixtures of (i) bovine serum albumin (BSA) and a sodium alginate (Mw ~ 210 000) and (ii) BSA and a highly esterified (70%) pectin (Mw ~ 130 000)_ The two polysaccharides showed very different responses to t...

Journal: :Colloid and polymer science 2010
Xiaobo Hu Zhen Tong L Andrew Lyon

Surfactant-free, radical precipitation co-polymerization of N-isopropylmethacrylamide (NIPMAm) and the cationic co-monomer N-(3-aminopropyl) methacrylamide hydrochloride (APMH) was carried out to prepare microgels functionalized with primary amines. The morphology and hydrodynamic diameter of the microgels were characterized by atomic force microscopy (AFM) and photon correlation spectroscopy (...

2006
Maxim V. Pavlov

New approach to classification of integrable hydrodynamic chains is established. Generating functions of conservation laws are classified by the method of hydrodynamic reductions. N parametric family of explicit hydrodynamic reductions allows to reconstruct corresponding hydrodynamic chains. Plenty new hydrodynamic chains are found.

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