نتایج جستجو برای: charge transfer complexation

تعداد نتایج: 421391  

2013
Mamoru Fujitsuka Tetsuro Majima

In the past few decades, charge transfer in DNA has attracted considerable attention from researchers in a wide variety of fields ranging from bioscience and physical chemistry to nanotechnology. Charge transfer in DNA has been investigated using various techniques. Among them, time-resolved spectroscopic methods have provided information on chargetransfer dynamics in DNA, an important basis fo...

Journal: :BMC Biotechnology 2008
Catarina Madeira Luís MS Loura Manuel Prieto Aleksander Fedorov M Raquel Aires-Barros

BACKGROUND Serum and high ionic strength solutions constitute important barriers to cationic lipid-mediated intravenous gene transfer. Preparation or incubation of lipoplexes in these media results in alteration of their biophysical properties, generally leading to a decrease in transfection efficiency. Accurate quantification of these changes is of paramount importance for the success of lipop...

2016
Janek Greskowiak Michael Hay Henning Prommer Chongxuan Liu Vincent Post Rui Ma James Davis Chunmiao Zheng John M. Zachara Michael B. Hay Vincent E. A. Post James A. Davis

Simulating adsorption of U(VI) under transient groundwater flow and hydrochemistry: Physical versus chemical nonequilibrium model" (2011). [1] Coupled intragrain diffusional mass transfer and nonlinear surface complexation processes play an important role in the transport behavior of U(VI) in contaminated aquifers. Two alternative model approaches for simulating these coupled processes were ana...

A theoretical analysis of the circuits for a nitrogen laser driven by the Blumlein or capacitor charge transfer transmission line is given in detail. The electrical characteristics of the charge line for a special case of resonant charging are discussed and the effects of various parameters on voltage and current are investigated. By using MICRO-CAP software the transient behavior of the curren...

Journal: :The European physical journal. E, Soft matter 2011
V Mengarelli L Auvray D Pastré M Zeghal

We study the formation and structure of stable electrostatic complexes between polyanions (DNA and poly(styrene-sulfonate)) and linear polyethylenimine. The charge ratio x of the mixture is tuned by varying the concentration of the polycation at constant concentration of polyanion. In agreement with recent theories, dynamic light scattering and electrophoretic mobility measurements show two dis...

Journal: :Proceedings of the National Academy of Sciences 1961

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