A method for making inhomogeneous microparticles comprises a) providing an amount of each of at least two polyelectrolytes having a charge, b) providing an amount of a counterion having a valence of at least 2, c) combining the polyelectrolytes and the counterion in a solution such that the polyelectrolyte self-assembles to form inhomogeneous aggregates, and d) adding nanoparticles to the solution such that nanoparticles arrange themselves around the inhomogeneous aggregates to form inhomogeneous particles. The polyelectrolyte may have a positive or negative charge. The charge ratio R of total charge of the counterions to the total charge of the polyelectrolyte may be greater than 1.0.
申请公布号
WO2006078777(A3)
申请公布日期
2007.11.15
申请号
WO2006US01835
申请日期
2006.01.19
申请人
WILLIAM MARSH RICE UNIVERSITY;MURTHY, VINIT, S.;WONG, MICHAEL, S.