Calixarene building block bis(2-hydroxyphenyl)methane (2HDPM) and hydrogen-bonded 2HDPM-H2O complex in electronic excited state

2013 ◽  
Vol 19 (4) ◽  
pp. 1913-1918 ◽  
Author(s):  
Se Wang ◽  
Ce Hao ◽  
Zhanxian Gao ◽  
Jingwen Chen ◽  
Jieshan Qiu
Keyword(s):  
Excited State ◽  
Building Block ◽  
Electronic Excited State ◽  
Hydrogen Bonded

Renilla Bioluminescence: A Morphologic Approach to the Location of Photocytes

1974 ◽  
Vol 32 ◽  
pp. 208-209
Author(s):  
Ben O. Spurlock ◽  
Milton J. Cormier
Keyword(s):  
Excited State ◽  
Ground State ◽  
Molecular Basis ◽  
Light Emission ◽  
Chemical Basis ◽  
Electronic Excited State ◽  
Colonial Form ◽  
The Common ◽  
Eighteenth And Nineteenth Centuries ◽  
Catalyzed Oxidation

The phenomenon of bioluminescence has fascinated layman and scientist alike for many centuries. During the eighteenth and nineteenth centuries a number of observations were reported on the physiology of bioluminescence in Renilla, the common sea pansy. More recently biochemists have directed their attention to the molecular basis of luminosity in this colonial form. These studies have centered primarily on defining the chemical basis for bioluminescence and its control. It is now established that bioluminescence in Renilla arises due to the luciferase-catalyzed oxidation of luciferin. This results in the creation of a product (oxyluciferin) in an electronic excited state. The transition of oxyluciferin from its excited state to the ground state leads to light emission.

Ultrafast Excited State Dynamics of 5,6-Dihydroxyindole, A Key Eumelanin Building Block: Nonradiative Decay Mechanism

2009 ◽  
Vol 113 (37) ◽  
pp. 12575-12580 ◽  
Author(s):  
Magdalena Gauden ◽  
Alessandro Pezzella ◽  
Lucia Panzella ◽  
Alessandra Napolitano ◽  
Marco d’Ischia ◽  
...  
Keyword(s):  
Excited State ◽  
Building Block ◽  
Decay Mechanism ◽  
Nonradiative Decay ◽  
Excited State Dynamics

scholarly journals Ultrafast Charge Recombination of Photogenerated Ion Pairs to an Electronic Excited State

2002 ◽  
Vol 106 (19) ◽  
pp. 4833-4837 ◽  
Author(s):  
Ana Morandeira ◽  
Laurine Engeli ◽  
Eric Vauthey
Keyword(s):  
Excited State ◽  
Ion Pairs ◽  
Charge Recombination ◽  
Electronic Excited State

Excited-State Intramolecular Proton Transfer in Polymers

1995 ◽  
Vol 413 ◽  
Author(s):  
Richard M. Tarkka ◽  
Samson A. Jenekhe
Keyword(s):  
Excited State ◽  
Proton Transfer ◽  
Main Chain ◽  
Intramolecular Proton Transfer ◽  
Polymer Structure ◽  
Laser Dyes ◽  
Excimer Formation ◽  
Photochromic Materials ◽  
Hydrogen Bonded

ABSTRACTExcited state intramolecular proton transfer (ESIPT) has been demonstrated in new intramoleculary hydrogen bonded (IHB) polymers of interest as photostabilizers, triplet quenchers, photochromic materials, laser dyes and electroluminescent materials. The new IHB polymers containing the 2-(2-hydroxyphenyl)benzoxazole moiety in the main chain were used to explore the effects of polymer structure, extended conjugation and competition with excimer formation on the ESIPT process. It was found that polymer structure, and particularly extent of conjugation, affects an IHB polymer's ability to exhibit ESIPT.

The Oxamate Anion:  A Flexible Building Block of Hydrogen-Bonded Architectures for Crystal Engineering

1996 ◽  
Vol 118 (42) ◽  
pp. 10134-10140 ◽  
Author(s):  
Christer B. Aakeröy ◽  
Deirdre P. Hughes ◽  
Mark Nieuwenhuyzen
Keyword(s):  
Crystal Engineering ◽  
Building Block ◽  
Hydrogen Bonded
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