Library of pH responsive polymers and nanoprobes thereof

Abstract

This application is a continuation of U.S. application Ser. No. 16/114,187, filed Aug. 27, 2018, which is a continuation of U.S. application Ser. No. 15/369,701, filed Dec. 5, 2016, now U.S. Pat. No. 10,098,971, which is a continuation of International Application No. PCT/US2015/034575, filed Jun.