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Highly orientated pyrolytic graphite (HOPG). Chris Chan, MetProt Grp. 2003. Langmuir 20(2004)8172. Langmuir 20(2004)8172. G. Ali Mansoori, “Principles of nanotechnology” (2005) World Scientific Publishers. JACS 126(2004)8940. JACS 126(2004)8940. OH. OH. OHC-CH 2 CH 2 CH 2 -CHO. H +. - PowerPoint PPT Presentation
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Oct. 13, 2005 GW Canters, Leiden Univ 1
I . Substrates, immobilization
A. Substrates
B. Immobilization
a. surface preparation
b. attachment
Oct. 13, 2005 GW Canters, Leiden Univ 2
Substrates
Carbon (edge plane, basal plane)
Glassy carbon
Carbon nanotubes
TiO2
SiO2, Si
Au
I TO
Highly orientated pyrolytic graphite (HOPG)
Chris Chan, MetProt Grp. 2003
Oct. 13, 2005 GW Canters, Leiden Univ 4
Immobilization
Surface preparation
Attachment
Oct. 13, 2005 GW Canters, Leiden Univ 5
Langmuir 20(2004)8172
Oct. 13, 2005 GW Canters, Leiden Univ 6
Langmuir 20(2004)8172
Oct. 13, 2005 GW Canters, Leiden Univ 7
JACS 126(2004)8940
G. Ali Mansoori, “Principles of nanotechnology” (2005) World Scientific Publishers
Oct. 13, 2005 GW Canters, Leiden Univ 8
JACS 126(2004)8940
Oct. 13, 2005 GW Canters, Leiden Univ 9
Immobilization
Surface preparation
Attachment a. Non- bonding (Coulomb; v/dWaals) b. Covalent bonding c. H- bridges d. Co- factor reconstitution e. DNA- based techniques
Oct. 13, 2005 GW Canters, Leiden Univ 10
Oct. 13, 2005 GW Canters, Leiden Univ 11
2EtOH
H2O
(EtO)3SiCH2CH2CH2NH2
Si
O
O
OCH2CH3
CH2CH2CH2NH2
NH2
CH2CH2CH2-N=CH-CH2CH2CH2CHO
Si
OCH2CH3O
O
CH2CH2CH2-N=CH-CH2CH2CH2-C=N
Si
OCH2CH3O
O
OH
OH
H+
H2O
OHC-CH2CH2CH2-CHO
Oct. 13, 2005 GW Canters, Leiden Univ 12
JACS 127(2005)2018
Oct. 13, 2005 GW Canters, Leiden Univ 13
Oct. 13, 2005 GW Canters, Leiden Univ 14
JACS 120(1998)4478JACS 124(2002)9591
Oct. 13, 2005 GW Canters, Leiden Univ 15
Eur. J. Org. Chem. (1999)539
Oct. 13, 2005 GW Canters, Leiden Univ 16
Angew.Chem. 43(2004)6042
Langmuir 20(2004)8090
Chemical modication
Chemical modification