A plant protein has been used to make a new class of glucose-responsive polymer nanogels that could one day negate the need for diabetes patients to constantly monitor their blood glucose levels and inject themselves with insulin.

Weitai Wu and co-workers at Xiamen University in China have devised a polymer nanogel that can reversibly respond to glucose to deliver the necessary amounts of insulin. The work could lead to a self-regulating insulin delivery system that mimics the activity of the pancreas.

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