National University of Singapore

Agency for Science, Technology and Research

Suat Hong Goh

Jun Li

Kam W Leong

Chuan Yang

Xin Wang

Xian Jun Loh

Xu Zhou

Yit Lin Chew

Hongzhe Li

There is provided a polymer comprising blocks of at least one polyethylene glycol) block, at least one poly(propylene glycol) block and at least one poly(hydroxybutyrate) block. Also provided is a method of making the polymer and a method of using the polymer.

Biodegradable thermogelling polymer

A polycation capable of forming a complex with a nucleic acid for carriage thereof. The polycation comprising at least one cyclic compound having a cavity. A polymer backbone is threaded into the cavity of the cyclic compound. A pair of bulky moieties cap the terminals of the polymer backbone to inhibit dethreading of the cyclic compound from the polymer backbone. In use, the net positive charge of said polycation enables a complex to form with nucleic acid.

Polycationic polyrotaxanes capable of forming complexes with nucleic acids

A two-component polyurethane sealant composition is described. The polyurethane sealant of the invention exhibits improved resistance to degradation by heat and hot water. The composition of the invention includes a novel hindered amine antioxidant.

Heat and hot water resistant polyurethane sealant

Growing community of inventors

Singapore, Singapore

Suat Hong Goh