在理论上有这样的可能性，即诊断性超声和超声造影剂的相互作用会产生生物效应。
There is a theoretical possibility that the interaction of diagnostic ultrasound and UCA could produce bioeffects.
不同核心成分和包膜材料的纳米级超声造影剂分别表现出不同的特性。
Different core components in the production process and materials coated for nano-scale ultrasound contrast agent exhibit different characteristics respectively.
第一部分检测了微泡造影剂和超声对体外培养的RB细胞生长活性的影响。
The first part was about the influence of microbubble and ultrasound used to RB cells.
随着新型超声微泡造影剂的研究和应用，超声微泡不仅能增强超声造影，而且也能作为运送基因或药物的载体。
With the research and application of the new ultrasound microbubble contrast agents, ultrasonic microbubbles can not only help to image, but they can also be used as genes or drug carriers.
目的探讨自制造影剂和超声显像新技术在诊断实验性转移性肝癌血管特征中的应用价值。
Objective To investigate the application of a self made echo contrast agent and power Doppler imaging of ultrasonography on the vascularity of hepatic metastasis in experimental rabbits.
目的：测定心脏超声造影剂声微显注射液的白蛋白微球浓度和直径。
OBJECTIVES:To analyse air-filled albumin microspheres of Shengweixian injection, an ultrasound contrast agent.
目的应用新一代超声造影剂和实时灰阶谐波成像技术探讨肝癌超声造影的增强模式。
Objective To evaluate the enhanced patterns of primary liver cancers at harmonic gray-scale contrast-enhanced ultrasonography with contrast agent SonoVue.
本实验运用自行研制的新型胃超声造影剂，研究造影剂在正常大鼠和犬的胃显影，研究急性胃黏膜损伤的超声造影声学表现。
This experiment makes use of a new type gastric ultrasound contrast agent which is own invented, investigating to develop an imaging stomachs of SD rats and dogs by gastric ultrasound contrast.
近几年，国内外学者利用超声联合微泡造影技术所产生的生物学效应，实现了微泡造影剂携载药物和基因对肿瘤的靶向治疗。
Resently years, researchers utilize biological effects generated by microbubble contrast agent combined ultrasound techniques to implement therapy of tumor by microbubble carrying drug and gene.
本文对近年来有关超声微泡造影剂作为基因转染载体的作用机制、影响因素、转染实验和应用等方面的研究作了总结。
This context concludes many researches about ultrasound microbubble: a novel gene vector in recent years. These researches include functional mechanism, influence factor, transfect...
研究背景： 新型超声造影剂的制备及应用研究是近年来超声医学研究的热点和前沿。
The study of ultrasonic contrast agents is a pop subject in modern medical science.
本文对有关微泡超声造影剂作为药物载体的作用原理、制备要求、制备方法、特点和应用等方面的研究作了介绍。
This context reviewed the principles, the preparation, characteristic and application of the microbubbles as a vector of the drug delivery.
研究表明，超声微泡造影剂作为药物和基因的载体将有可能为肿瘤的治疗提供一条新的途径。
Present researches showed that the application of ultrasound contrast agent in delivery of drugs and gene may open up a new pathway for tumor treatment.
结论靶向超声纳米对比剂具有特异性和敏感性，纳米级微泡造影剂用于超声造影增强是完全可行的。
Conclusion Targeted nano ultrasound contrast agents are specific and sensitive, nanoscale for ultrasound microbubble contrast enhancement is completely feasible.
结论靶向超声纳米对比剂具有特异性和敏感性，纳米级微泡造影剂用于超声造影增强是完全可行的。
Conclusion Targeted nano ultrasound contrast agents are specific and sensitive, nanoscale for ultrasound microbubble contrast enhancement is completely feasible.
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