Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1991-12-02
1993-11-09
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
264104, 264236, 264298, 427 74, 427508, 427521, B29C 4102, B29C 7102, B29C 7104
Patent
active
052600041
ABSTRACT:
Langmuir-Blodgett films having photo-electronic properties and methods of making the same. The instant films may be made, for example, by spreading a mixture of one or more types of biotinylated lipids and one or more types of electrically-conductive lipids over a water-miscible liquid subphase. Conjugated molecules comprising a biotin-binding component made up of an avidin or streptavidin molecule or a fragment or derivative thereof having biotin-binding activity and a photodynamic proteinaceous component are then injected into the subphase. Because of the affinity between biotin and the biotin-binding component, the conjugated molecules bind to the biotinylated lipids. The air-subphase interface is then compressed, causing the biotinylated lipids and electrically-conductive lipids to form a monolayer thereat. In one embodiment, the biotin-binding component has biotin-binding sites available on its underside which may be used to bind biotinylated derivatives of one or more different species of photodynamic proteinaceous components and/or to build up a multilayered complex of biotin-binding molecules and functional proteinaceous components using biotinylated rigid or flexible couplers.
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Kaplan David L.
Kumar Jayant
Marx Kenneth A.
Samuelson Lynne A.
Tripathy Sukant K.
Donahue Richard J.
Tentoni Leo B.
The United States of America as represented by the Secretary of
University of Massachusetts Lowell
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