Abstract: Apparatus and methods for measuring force exerted by an object moving in a fluid or force of a moving fluid on a stationary object. Embodiments may be configured to measure power exerted by an object moving in a fluid. At least one sensor disposed on the object outputs at least one sensor signal corresponding to a pressure differential between first and second surfaces of the object. Data derived from one or more sensor signals may be processed according to a model to output a measure of the force and/or power of the object moving in the fluid or the force of the moving fluid on the stationary object, as a function of time. Embodiments may be configured for applications such as providing feedback for control of actuators in electromechanical systems for liquid or gaseous media, and providing performance metrics during water sports, such as swimming and paddling.

Abstract: Apparatus and methods for measuring force exerted by an object moving in a fluid or force of a moving fluid on a stationary object. Embodiments may be configured to measure power exerted by an object moving in a fluid. At least one sensor disposed on the object outputs at least one sensor signal corresponding to a pressure differential between first and second surfaces of the object. Data derived from one or more sensor signals may be processed according to a model to output a measure of the force and/or power of the object moving in the fluid or the force of the moving fluid on the stationary object, as a function of time. Embodiments may be configured for applications such as providing feedback for control of actuators in electromechanical systems for liquid or gaseous media, and providing performance metrics during water sports, such as swimming and paddling.

Abstract: A polymer system useful for in vivo delivery of a therapeutic agent is provided. The polymer system comprises a biocompatible biodegradable polymeric backbone that is capable of a reversible stimuli-induced transition from liquid to gel.

Abstract: A polymer system useful for in vivo delivery of a therapeutic agent is provided. The polymer system comprises a biocompatible biodegradable polymeric backbone that is capable of a reversible stimuli-induced transition from liquid to gel.

Abstract: A method of in situ hydrogel polymerization is provided. The method comprises combining a backbone polymer with an in situ polymerizable group to form a prepolymer solution which is administered to a target site and polymerized at the target site on exposure to a polymerization-inducing stimulus.