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1篇 您的检索式:作者名="Matthew Pless"
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1Ultrasound-triggered noninvasive regulation of blood glucose levels using microgels integrated with insulin nanocapsules显示文摘Diabetes is a serious public health problem affecting 422 million people worldwide. Traditional diabetes management often requires multiple daily insulin injections, associated with pain and inadequate glycemia control. Herein, we have developed an ultrasound-triggered insulin delivery system capable of pulsatile insulin release that can provide both long-term sustained and fast on-demand responses. In this system, insulin-loaded poly(lactic-co-glycolic acid) (PLGA) nanocapsules are encapsulated within chitosan microgels. The encapsulated insulin in nanocapsules can passively diffuse from the nanoparticle but remain restricted within the microgel. Upon ultrasound treatment, the stored insulin in microgels can be rapidly released to regulate blood glucose levels. In a chemically-induced type 1 diabetic mouse model, we demonstrated that this system, when activated by 30 s ultrasound administration, could effectively achieve glycemic control for up to one week in a noninvasive, localized, and pulsatile manner.Jin Di Jicheng Yu Qun Wang Shanshan Yao Yanqi Ye Matthew Pless Yong Zhu Yun Jing Zhen Gu 2017Nano Research2017,10,4:6
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