NSF Org:	CHE Division Of Chemistry
Recipient:	UNIVERSITY OF PUERTO RICO
Initial Amendment Date:	August 11, 1992
Latest Amendment Date:	August 11, 1992
Award Number:	9221603
Award Instrument:	Standard Grant
Program Manager:	Karolyn K. Eisenstein CHE  Division Of Chemistry MPS  Directorate for Mathematical and Physical Sciences
Start Date:	September 1, 1992
End Date:	February 28, 1994 (Estimated)
Total Intended Award Amount:	$32,000.00
Total Awarded Amount to Date:	$32,000.00
Funds Obligated to Date:	FY 1992 = $32,000.00
History of Investigator:	Jorge Colón (Principal Investigator) jorge.colon10@upr.edu
Recipient Sponsored Research Office:	University of Puerto Rico 1187 CALLE FLAMBOYAN SAN JUAN PR  US  00926-1108 (787)250-0000
Sponsor Congressional District:	00
Primary Place of Performance:	DATA NOT AVAILABLE
Primary Place of Performance Congressional District:
Unique Entity Identifier (UEI):	LLABHNB9ABM4
Parent UEI:
NSF Program(s):	CHEMISTRY FELLOWSHIPS
Primary Program Source:
Program Reference Code(s):
Program Element Code(s):	198800
Award Agency Code:	4900
Fund Agency Code:	4900
Assistance Listing Number(s):	47.049

ABSTRACT

This award is the starter grant increment of Dr. Colon's Postdoctoral Fellowship in Chemistry. The research will result in a better understanding of the reorganizational energy of molecules as a function of distance in long range electron transfer reactions. Electron transfer rates will be measured for Re(II) and Re(I) coordinated to human myoglobin variants. The effects of distance of electron transfer and of the electronic coupling in the protein on electron transfer rates will be evaluated. Flash-quench and photoinduced electron transfer experiments will be used to obtain the desired rates. %%% Biological electron transfer plays major roles in respiration, photosynthesis, and immune response. The research to be carried out will provide a better insight into these important reactions. These insights will be helpful to scientists studying many aspcects of human health.

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