Patent ID: 8283308

Claim:
An emulsion, comprising: a substantially continuous liquid medium; and a plurality of droplet structures dispersed within said substantially continuous liquid medium, wherein each droplet structure of said plurality of droplet structures comprises: an outer droplet of a first liquid having an outer surface; an inner droplet of a second liquid having an inner surface within said first droplet, said second liquid being immiscible in said first liquid, wherein said inner and outer droplets have a film of said first liquid in a surface boundary region therebetween; an outer layer of block copolymers disposed on said outer surface of said outer droplet; and an inner layer of block copolymers disposed on said inner surface of said inner droplets in proximity to said boundary surface region between said outer and said inner droplets, wherein said block copolymers comprise a hydrophilic polymer block and a hydrophobic polymer block that act in combination to stabilize said droplet structure, wherein said first liquid is immiscible in said substantially continuous liquid medium, and wherein said hydrophilic polymer block is a polypeptide block comprising predominantly hydrophilic amino acids and said hydrophobic polymer block is a polypeptide block comprising predominantly hydrophobic amino acids.