Abstract: A peptide derivative selected from a list of peptide derivatives with a sequence derived from human serum albumin fragment EPI-X4 is provided, which binds to CXCR4 with about 1000-fold stronger efficiency than EPI-X4. The peptide derivatives comprise length variants as well as modifications by length variants, D-amino acids, coupling of fatty acids, cholesterol or polymers, acetyl substitutions of amino groups, amination of carboxyl groups. Further provided are pharmaceutical compositions of the peptide derivative.

Abstract: A method is provided for administering an active drug agent to cells adhering and/or adjacent to a substrate, said substrate comprising one or more immobilized enzymes, which are capable of converting an inert prodrug into an active drug agent, said method comprising providing at least one inactive prodrug to said substrate. Also a kit is provided which comprise a substrate comprising one or more immobilized enzymes capable of converting an inert prodrug into an active drug agent, and at least one inert prodrug. A stent is also provided, which comprise a substrate comprising one or more immobilized enzymes capable of converting an inert prodrug into an active drug agent.

Abstract: Chemically protected dihydroxyacetone and/or dimers are used to make polycarbonates, poly(acetal carbonate)s, poly(spiroacetal)s, polyesters and polyurethanes.

Abstract: Chemically protected dihydroxyacetone and/or dimers are used to make polycarbonates, poly(acetal carbonate)s, poly(spiroacetal)s, polyesters and polyurethanes.

Abstract: The present invention specifically contemplates a polymer, preferably an electrically conductive polymer, derived from substituted pyrrolyl moieties.

Abstract: The present invention specifically contemplates a polymer, preferably an electrically conductive polymer, derived from substituted pyrrolyl moieties.