Radiation imagery chemistry: process – composition – or product th – Radiation modifying product or process of making – Radiation mask
Patent
1994-06-07
1996-05-07
Duda, Kathleen
Radiation imagery chemistry: process, composition, or product th
Radiation modifying product or process of making
Radiation mask
430311, 430315, 430322, 430324, 430396, 427377, 427387, 427539, G03F 700, G03C 516
Patent
active
055145019
ABSTRACT:
A process for creating a two dimensional spacial distribution pattern of ferent thiolate molecules on a substrate by illuminating a surface of a self-assembled monolayer of a first thiolate compound in the presence of oxygen with high frequency electromagnetic radiation distributed according to a desired pattern, and subsequently immersing the illuminated substrate in a solution of a second thiolate compound so that molecules of the first thiolate compound in illuminated areas of the monolayer are exchanged for molecules of said second thiolate compound; and a patterned biomolecular composite formed of a substrate which forms a self-assembled thiolate monolayer when immersed in a solution of a thiolate forming compound, a thiolate monolayer deposited on the substrate and composed of patterned areas of first and second thiolate compounds, respectively, the first thiolate compound having an affinity for specifically or nonspecifically adsorbing a biological molecule, and the second thiolate compound having essentially no affinity for the biological molecule, and at least one biological material adsorbed in a corresponding pattern on the patterned areas of the first thiolate compound in the thiolate monolayer.
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Duda Kathleen
The United States of America as represented by the Secretary of
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