ABSTRACT

I. Introduction ..................................................................................................................... 199

II. Preparations of SAMs and Types of SAMs ................................................................... 200

A. SAMs of Alkanethiols on Gold and Silver ............................................................ 200

B. SAMs of Alkylsiloxanes ......................................................................................... 201

C. Other Types of SAMs ............................................................................................. 201

III. Characterization of SAMs ............................................................................................... 201

IV. Introduction of Functional Groups to the Surfaces of SAMs ........................................ 202

A. The Synthesis of SAMs .......................................................................................... 203

B. In Situ Transformation ............................................................................................ 203

V. Chemical Transformations that Modify the Interactions between the

SAM and the Substrate ................................................................................................... 203

A. Using Electrochemistry to Desorb SAMs .............................................................. 203

B. Oxidation of SAMs and Other Systems ................................................................. 204

VI. Interactions of Proteins with SAMs ................................................................................ 204

A. Using SAMs as Model Surfaces to Study Adsorption of Proteins ........................ 204

B. “Inert” Surfaces ....................................................................................................... 204

C. Non-Specific Adsorption of Proteins on Hydrophobic SAMs ............................... 204

D. Biospecific Adsorption of Proteins on SAMs ........................................................ 205

E. Electroactive Proteins on SAMs ............................................................................. 205

F. Controlling the Orientation of Proteins on Surfaces .............................................. 205

G. Other Biomolecules: DNA, Lipids, and Others ..................................................... 205

VII. Controlling Adsorption of Proteins and Patterning of Cells; Application

of SAMs in Cell Biology ................................................................................................ 205

A. Controlling the Composition and Density of Ligands on the Surface .................. 206

B. Soft Lithography, mCP, and Patterning Proteins .................................................... 206

C. Patterning Cells ....................................................................................................... 207

D. Dynamic Patterning of Cells and the Patterning

of Multiple Proteins and Cells ................................................................................ 207

E. Directional Control of Cell Migration .................................................................... 208

VIII. The Bridge to Tissue Engineering .................................................................................. 208

A. Angiogenesis ........................................................................................................... 208

B. Patterning of Neurons ............................................................................................. 208

C. Coculturing of Different Types of Cells ................................................................. 209

IX. Other Applications of SAMs in Biochemistry and Biotechnology ................................ 210

X. Conclusions and Summary .............................................................................................. 210

References .................................................................................................................................... 210

Self-assembled monolayers (SAMs) are materials comprising ordered monolayers of organic

molecules supported on solid substrates.