PREFACE IN
B I O L O G I C A L SYSTEMS, F U N D A M E N T A L Q U E S T I O N S R E M A I N about
the
m e c h a n i s m of e l e c t r o n transfer b e t w e e n m e t a l l o p r o t e i n active sites separated b y p o l y p e p t i d e chains and about factors c o n t r o l l i n g the rate a n d specificity of biological e l e c t r o n transfer. T h e w o r k p r e s e n t e d h e r e i n includes b o t h theoretical a n d e x p e r i m e n t a l aspects of electron transfer i n metalloproteins, as w e l l as i n appropriate m o d e l systems. I n solid-state materials, theoretical Downloaded by 80.82.77.83 on May 18, 2017 | http://pubs.acs.org Publication Date: May 5, 1989 | doi: 10.1021/ba-1990-0226.pr001
interest i n e l e c t r o n transfer is c u r r e n t l y c e n t e r e d o n u n d e r s t a n d i n g materials that display electronic phase transitions, p a r t i c u l a r l y the h i g h - t r a n s i t i o n temperature oxide superconductors. E x p e r i m e n t a l w o r k o n solid-state m a terials includes studies of the design, p r e p a r a t i o n , a n d characterization of n u m e r o u s one-, two-, a n d t h r e e - d i m e n s i o n a l systems d i s p l a y i n g a variety of electronic properties. T h i s v o l u m e includes chapters p e r t a i n i n g to electron transfer i n b o t h biological systems a n d solid-state materials. I n M a r c h 1989 a s y m p o s i u m o n " I n o r g a n i c C o m p o u n d s w i t h U n u s u a l P r o p e r t i e s . I I I . E l e c t r o n Transfer i n B i o l o g y a n d the S o l i d S t a t e " was h e l d at the G e o r g i a C e n t e r for C o n t i n u i n g E d u c a t i o n of the U n i v e r s i t y of G e o r g i a as one of the b i e n n i a l symposia of the D i v i s i o n of Inorganic C h e m i s t r y of the A m e r i c a n C h e m i c a l Society. T h e p u r p o s e of this s y m p o s i u m was to stimulate c o m m u n i c a t i o n a m o n g scientists w h o are s t u d y i n g mechanisms of e l e c t r o n transfer i n metalloproteins a n d those w h o are s t u d y i n g similar p r o c esses i n solid state materials. T h i s s y m p o s i u m was a sequel to symposia e n t i t l e d " I n o r g a n i c C o m p o u n d s w i t h U n u s u a l P r o p e r t i e s . I a n d I I . " that w e r e h e l d at the U n i v e r s i t y of G e o r g i a i n January 1975 a n d F e b r u a r y 1978 a n d w e r e p u b l i s h e d as V o l u m e s 150 a n d 173 of the Advances in Chemistry Series. T h e p r o g r a m of the 1989 s y m p o s i u m i n c l u d e d 27 oral presentations, of w h i c h 23 are i n c l u d e d i n this v o l u m e . T h e speakers at the s y m p o s i u m r e p resented i n d u s t r y , g o v e r n m e n t laboratories, a n d diverse academic i n s t i t u tions.
xv Johnson et al.; Electron Transfer in Biology and the Solid State Advances in Chemistry; American Chemical Society: Washington, DC, 1989.
Acknowledgments We acknowledge financial support for the symposium from the A i r Force Office of Scientific Research, the Petroleum Research Fund of the American Chemical Society, the University of Georgia Research Foundation, and Ε. I. du Pont de Nemours and Company. M I C H A E L K. JOHNSON
CHARLES KUTAL
R. B R U C E K I N G
M I C H A E L L. N O R T O N
D O N A L D M. KURTZ, JR.
ROBERT A.
SCOTT
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University of Georgia Athens, Georgia 30602 October 1989
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Johnson et al.; Electron Transfer in Biology and the Solid State Advances in Chemistry; American Chemical Society: Washington, DC, 1989.