Specific Interactions versus Counterion Condensation. 2. Theoretical Treatment within the Counterion Condensation Theory

2006 ◽  
Vol 7 (5) ◽  
pp. 1587-1596 ◽  
Author(s):  
Ivan Donati ◽  
Julio C. Benegas ◽  
Attilio Cesàro ◽  
Sergio Paoletti
Keyword(s):  
Theoretical Treatment ◽  
Specific Interactions ◽  
Counterion Condensation

Chemical bonding of divalent counterions to linear polyelectrolytes: Theoretical treatment within the counterion condensation theory

2001 ◽  
Vol 3 (6) ◽  
pp. 1057-1062 ◽  
Author(s):  
Rodolfo D. Porasso ◽  
Julio C. Benegas ◽  
Marc A. G. T. van den Hoop ◽  
Sergio Paoletti
Keyword(s):  
Chemical Bonding ◽  
Theoretical Treatment ◽  
Counterion Condensation

Specific Interactions versus Counterion Condensation. 1. Nongelling Ions/Polyuronate Systems

2006 ◽  
Vol 7 (1) ◽  
pp. 281-287 ◽  
Author(s):  
Ivan Donati ◽  
Attilio Cesàro ◽  
Sergio Paoletti
Keyword(s):  
Specific Interactions ◽  
Counterion Condensation

Contrasts of planar defects in reflection electron microscopy

1993 ◽  
Vol 51 ◽  
pp. 1004-1005
Author(s):  
Feng Tsai ◽  
J. M. Cowley
Keyword(s):  
Electron Microscopy ◽  
Surface Defects ◽  
Practical Importance ◽  
Theoretical Treatment ◽  
Crystal Surfaces ◽  
Planar Defects ◽  
Surface Steps ◽  
Surface Reconstructions ◽  
Domain Boundaries ◽  
Reflection Electron Microscopy

Reflection electron microscopy (REM) has been used to study surface defects such as surface steps, dislocations emerging on crystal surfaces, and surface reconstructions. However, only a few REM studies have been reported about the planar defects emerging on surfaces. The interaction of planar defects with surfaces may be of considerable practical importance but so far there seems to be only one relatively simple theoretical treatment of the REM contrast and very little experimental evidence to support its predications. Recently, intersections of both 90° and 180° ferroelectric domain boundaries with BaTiO3 crystal surfaces have been investigated by Tsai and Cowley with REM.The REM observations of several planar defects, such as stacking faults and domain boundaries have been continued by the present authors. All REM observations are performed on a JEM-2000FX transmission electron microscope. The sample preparations may be seen somewhere else. In REM, the incident electron beam strikes the surface of a crystal with a small glancing angle.

FURTHER CONSIDERATIONS ON THE CALCULATIONS OF SECRETION RATES. A CORRECTION

1961 ◽  
Vol 38 (3) ◽  
pp. 469-472 ◽  
Author(s):  
K. R. Laumas ◽  
J. F. Tait ◽  
S. A. S. Tait
Keyword(s):  
Steady State ◽  
Compartmental Model ◽  
Single Injection ◽  
Previous Treatment ◽  
Urinary Metabolite ◽  
Theoretical Treatment ◽  
Basic Equations ◽  
Special Circumstances ◽  
Secretion Rates

ABSTRACT Reconsideration of the question of the validity of the calculations of the secretion rates from the specificity activity of a urinary metabolite after the single injection of a radioactive hormone has led us to conclude that the basic equations used in a previous theoretical treatment are not generally applicable to the nonisotopic steady state if the radioactive steroid and hormone are introduced into the same compartment. If this is so, in a two compartmental model with metabolism occurring in both pools, it is now shown that the calculation (S = R — τ) is rigorously valid if certain precautions are taken. This is in contrast to the previous treatment which concluded (in certain special circumstances) that the calculation might not be correct. However, if the hormone is secreted in both compartments and the radioactive steroid is injected into only one, then the calculation (S = R — τ) may not be correct in certain circumstances as was previously concluded (Laumas et al. 1961).

Fragment MO Calculations on Specific Interactions between AhR and TCDD for Beluga and Tern

2009 ◽  
Vol 10 ◽  
pp. 63-75
Author(s):  
Satoshi Miyagi ◽  
Eri Yoshikawa ◽  
Kenichi Dedachi ◽  
Satoshi Itoh ◽  
Mitsuko Ishihara-Sugano ◽  
...  
Keyword(s):  
Specific Interactions ◽  
Mo Calculations

Yield and inter-specific interactions in maize/chickpea intercrop under different application rates of P in irrigated sierozem along the Yellow River in Northwest China

2010 ◽  
Vol 18 (5) ◽  
pp. 917-922
Author(s):  
Yu-Feng LAN ◽  
Hai-Yong XIA ◽  
Hong-Liang LIU ◽  
Si-Cun YANG ◽  
Jian-Guo SONG ◽  
...  
Keyword(s):  
Yellow River ◽  
Northwest China ◽  
The Yellow River ◽  
Specific Interactions ◽  
Application Rates
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