The invention belongs to the biomedical engineering field, in particular relating to a novel targeted microbubblecontrastagent.
本发明属于生物医学工程领域,更具体地说,本发明涉及一种新型靶向微泡造影剂。
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Objective To prepare an ultrasound microbubblecontrastagent using PLLA-PEG-PLLA copolymer as the shell material, and test their acoustic characteristics in vitro.
Resently years, researchers utilize biological effects generated by microbubblecontrastagent combined ultrasound techniques to implement therapy of tumor by microbubble carrying drug and gene.