Vectorial imaging of the photodissociation of 2-bromobutane oriented via hexapolar state selection

2019 ◽  
Vol 21 (26) ◽  
pp. 14164-14172 ◽  
Author(s):  
Masaaki Nakamura ◽  
Federico Palazzetti ◽  
Po-Yu Tsai ◽  
Shiun-Jr Yang ◽  
King-Chuen Lin ◽  
...  
Keyword(s):  
Molecular Orientation ◽  
Chemical Processes ◽  
Dynamical Properties ◽  
Rotational Motions ◽  
State Selection ◽  
Elementary Chemical

Molecular orientation techniques are becoming available in the study of elementary chemical processes, in order to highlight those structural and dynamical properties that would be concealed by random rotational motions.

Orientation and mobility of molecules in membranes studied by polarized light spectroscopy

1980 ◽  
Vol 13 (1) ◽  
pp. 63-118 ◽  
Author(s):  
Lennart B.-Å. Johansson ◽  
Göran Lindblom
Keyword(s):  
Molecular Orientation ◽  
Biological Membrane ◽  
Polarized Light ◽  
Spatial Arrangement ◽  
Chemical Processes ◽  
Orientation And Mobility ◽  
Mobility Of Molecules ◽  
Membrane Components ◽  
The Guardian ◽  
Functional Mechanisms

Biological membranes are composed of mainly lipids and proteins. The physical properties of the lipids, forming a bilayer structure, are of crucial importance for the living cell, since the plasma membrane is the guardian barrier towards the environment. Thus, the functioning cell needs a highly stable lipid bilayer, which depends on molecular packing and orientation properties of the various membrane components (Wieslander et al. 1980). The spatial arrangement of the membrane proteins incorporated in the lipid matrix plays an essential role for the different chemical processes occurring at or within the membrane. Information about molecular orientation and mobility is therefore necessary for unravelling the functional mechanisms of a biological membrane.

Characterization of Elementary Chemical Processes by Catastrophe Theory

1997 ◽  
Vol 101 (39) ◽  
pp. 7277-7282 ◽  
Author(s):  
Xénophon Krokidis ◽  
Stéphane Noury ◽  
Bernard Silvi
Keyword(s):  
Catastrophe Theory ◽  
Chemical Processes ◽  
Elementary Chemical
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