John P. Ferraris
University of Texas at Austin
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Featured researches published by John P. Ferraris.
MRS Proceedings | 1995
Shai Rubin; G. Bar; R.W. Cutts; Thomas A. Zawodzinski; Jimmy T. Chow; John P. Ferraris
We describe the factors affecting the electron transfer process between the different components of a self-assembled mixed monolayer. The system is comprised of mixed monolayers containing aminoalkanethiols (AMATs) and ferrocenylakanethiols (FATs) of variable chain lengths. We study the effects of different ratio of the two mixed monolayer components on the permeability of the monolayer toward a Ru(NH{sub 3}{sub 6}Cl{sub 3} redox probe. In order to study the electrical communication between the enzyme and the mediator molecules, the enzyme glucose oxidase (GOx) was attached to the AMAT sites to create a biosensor device. The relative efficiency of a biosensor of each chain-length combination of FAT and AMAT was examined. In light of this comparison, we consider the critical factors for efficient electron transfer between the ferrocene mediator and the GOx redox active site immobilized as part of the surface-confined system. We find that the biosensor response is greatest when the enzyme and the FATs are attached to the surface with different alkane chain lengths. We also find strong evidence for the existence of domains of FAT and AMAT in the mixed monolayer system.
Langmuir | 1996
Shai Rubin; Jimmy T. Chow; John P. Ferraris; Thomas A. Zawodzinski
Archive | 1998
Dhurjati S. K. Mudigonda; David L. Meeker; Jessica M. Osborn; David C. Loveday; John P. Ferraris
235th ACS National Meeting, Spring 2008 | 2008
Danny Zepeda; Jose J. Gutierrez; John P. Ferraris
Archive | 1998
Nikolay N. Barashkov; Darren D. Bianchi; John P. Ferraris; David C. Loveday
Archive | 1998
David C. Loveday; Andrew A. Moxey; M. Hmyene; Xiaoming Ren; Douglas J. Guerrero; John P. Ferraris
Archive | 1998
Jeffrey L. Boehme; Ian D. Brotherston; Dhurjati S. K. Mudigonda; David L. Meeker; John P. Ferraris
Archive | 1997
David L. Smith; Paul Simon Davids; Christian M. Heller; B. K. Crone; I. H. Campbell; Nikolay N. Barashkov; John P. Ferraris
Archive | 1996
I. H. Campbell; Susan Rubin; David L. Smith; T. A. Jr. Zawodzinski; John P. Ferraris
Archive | 1996
Christian M. Heller; David L. Smith; I. H. Campbell; John P. Ferraris