The role of different Wx and BEIIb allele combinations on fine structures and functional properties of indica rice starches

2022 ◽  
Vol 278 ◽  
pp. 118972
Author(s):  
Zhongwei Zhang ◽  
Yaqi Hu ◽  
Jiajia Zhao ◽  
Yu Zhang ◽  
Yining Ying ◽  
...  
Author(s):  
Xudong Weng ◽  
Peter Rez

In electron energy loss spectroscopy, quantitative chemical microanalysis is performed by comparison of the intensity under a specific inner shell edge with the corresponding partial cross section. There are two commonly used models for calculations of atomic partial cross sections, the hydrogenic model and the Hartree-Slater model. Partial cross sections could also be measured from standards of known compositions. These partial cross sections are complicated by variations in the edge shapes, such as the near edge structure (ELNES) and extended fine structures (ELEXFS). The role of these solid state effects in the partial cross sections, and the transferability of the partial cross sections from material to material, has yet to be fully explored. In this work, we consider the oxygen K edge in several oxides as oxygen is present in many materials. Since the energy window of interest is in the range of 20-100 eV, we limit ourselves to the near edge structures.


Author(s):  
David R. Veblen

Extended defects and interfaces control many processes in rock-forming minerals, from chemical reactions to rock deformation. In many cases, it is not the average structure of a defect or interface that is most important, but rather the structure of defect terminations or offsets in an interface. One of the major thrusts of high-resolution electron microscopy in the earth sciences has been to identify the role of defect fine structures in reactions and to determine the structures of such features. This paper will review studies using HREM and image simulations to determine the structures of defects in silicate and oxide minerals and present several examples of the role of defects in mineral chemical reactions. In some cases, the geological occurrence can be used to constrain the diffusional properties of defects.The simplest reactions in minerals involve exsolution (precipitation) of one mineral from another with a similar crystal structure, and pyroxenes (single-chain silicates) provide a good example. Although conventional TEM studies have led to a basic understanding of this sort of phase separation in pyroxenes via spinodal decomposition or nucleation and growth, HREM has provided a much more detailed appreciation of the processes involved.


2021 ◽  
Vol 866 ◽  
pp. 158982
Author(s):  
Sourabh Wajhal ◽  
S.K. Mishra ◽  
A.B. Shinde ◽  
P.S.R. Krishna ◽  
R. Mittal

Biochemistry ◽  
2001 ◽  
Vol 40 (17) ◽  
pp. 5243-5248 ◽  
Author(s):  
Karim S. Echtay ◽  
Martin Bienengraeber ◽  
Martin Klingenberg

Nanoscale ◽  
2021 ◽  
Author(s):  
Mahdi Zeidi ◽  
Chun Il Kim ◽  
Chul B B. Park

Interface plays a crucial role on the physical and functional properties of polymer nanocomposites, yet its effects have not been fully recognized in the setting of classical continuum-based modeling. In...


2016 ◽  
Vol 28 (6) ◽  
pp. 4914-4924 ◽  
Author(s):  
Tapati Sarkar ◽  
Sergey A. Ivanov ◽  
Elena A. Fortalnova ◽  
Ekaterina D. Politova ◽  
Marina G. Safronenko ◽  
...  

Author(s):  
Geqi Qi ◽  
Jinglong Wu

The sensitivity of the left ventral occipito-temporal (vOT) cortex to visual word processing has triggered a considerable debate about the functional role of this region in reading. The debate rests largely on the issue whether this particular region is specifically dedicated to reading and the extraction of invariant visual word form. A lot of studies have been conducted to provide evidences supporting or against the functional specialization of this region. However, the trend is showing that the different functional properties proposed by the two kinds of view are not in conflict with each other, but instead show different sides of the same fact. Here, the authors focus on two questions: firstly, where do the two views conflict, and secondly, how do they fit with each other on a larger framework of functional organization in object vision pathway? This review evaluates findings from the two sides of the debate for a broader understanding of the functional role of the left vOT cortex.


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