Abstract:
Methods and compositions are described for enhancing tissue regeneration or wound repair in a mammalian subject comprising a composition comprising (a) a proline hydroxylase inhibitor component or molecule that increases or upregulates HIF1a and (b) a carrier component comprising a hydrogel.
Abstract:
The invention provides surface treatments that reduce or eliminate marine biofouling of various surfaces. A surface that is to be subjected to a marine environment can be treated with a mPEG-DOPA. The treated surface is thus rendered less susceptible to fouling of the surface.
Abstract:
Biocompatible macromonomers, hydrogels, methods of synthesis and methods of use thereof are provided. The biocompatible hydrogels of the present invention are prepared using native chemical ligation (NCL), in which a thioester readily reacts with a N-terminal thiol (cysteine) through transesterification and rearrangement to form an amide bond through a five-member ring intermediate.
Abstract:
A method of making a facile, surface-independent, polyphenol coating is disclosed. In general, the method includes contacting at least a portion of the substrate to be coated with an aqueous solution containing one or more salts and one or more nitrogen-free phenolic compounds. Substrates of all kinds may be used, and compounds used to make the coating may include epigallocatechin-3-gallate (EGCG), epigallocatechin (EGC) and epicatechin-3-gallate (ECG), tannic acid, gallic acid, pyrogallol, and/or other nitrogen-free phenolic compounds. The coating made using the method, methods of using the coating, and kits comprising the coating precursors are also disclosed.
Abstract:
The present invention provides a simple, non-destructive and versatile method that enables layer-by-layer (LbL) assembly to be performed on virtually any substrate. A novel catechol-functionalized polymer which adsorbs to virtually all surfaces and can serve as a platform for LbL assembly in a surface-independent fashion is also provided.
Abstract:
The present invention provides a surface-independent surface-modifying multifunctional biocoating and methods of application thereof. The method comprises contacting at least a portion of a substrate with an alkaline solution comprising a surface-modifying agent (SMA) such as dopamine so as to modify the substrate surface to include at least one reactive moiety. In another version of the invention, a secondary reactive moiety is applied to the SMA-treated substrate to yield a surface-modified substrate having a specific functionality.
Abstract:
Nano-scale or micro-scale adhesive structures comprising an array of nano-fabricated, pillars, the pillars having coated upon, or having disposed on a working surface thereof, a protein-mimetic, marine-adhesive coating. Methods of fabricating the nano-scale pillars, synthesis of the protein-mimetic coating or wet adhesive and application of the adhesive to the pillars are described.
Abstract:
Peptides and conjugates thereof comprising one or more bioactive agents which can be coupled to a tissue via a transglutaminase and related methods.
Abstract:
The present invention provides a method for preventing or repairing damage to a fetal membrane. In one embodiment, the method comprises contacting a fetal membrane with a composition comprising a four-armed catechol-terminated polyethylene glycol (cPEG) and a biocompatible oxidant. In one embodiment, the four-armed cPEG and the biocompatible oxidant are initially contained in separate solutions, and the solutions are mixed to form the composition just prior to or at the same time that the composition contacts the fetal membrane.
Abstract:
The inventors disclose here a novel, facile approach to the synthesis of acetonide-protected catechol-containing compounds having at least one amine group. In specific embodiments, the invention provides novel methods of synthesizing 3,4-dihydroxyphenylalanine (H-DOPA(acetonide)-OH (6)), Fmoc-protected H-DOPA(acetonide)-OH (Fmoc-DOPA(acetonide)-OH (7)), Fmoc-protected dopamine (Fmoc-dopamine(acetonide) (10)), TFA-protected dopamine (TFA-dopamine(acetonide) (13)) and acetonide-protected 4-(2-aminoethyl)benzene-1,2-diol (acetonide-protected dopamine (14)).