Objective: To explore the safety of self-made perfluorocarbon ultrasound contrast agent.
前言：目的：研究自制的氟碳声学造影剂的安全性。
The effects of ultrasound contrast agent in diagnosis and treatment of diseases have made gradual improvement.
超声微泡造影剂在疾病诊断与治疗中的作用日渐明显。
OBJECTIVES:To analyse air-filled albumin microspheres of Shengweixian injection, an ultrasound contrast agent.
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。
Combination of ultrasound contrast agent with ultrasound technology makes it possible to target local release of drugs.
超声造影剂结合超声技术可实现药物局部靶向释药。
Objective To assess the perfusion of acute myocardial ischemia with ultrasound contrast agent by intermittent harmonic imaging.
目的采用二次谐波触发显像超声造影评价急性缺血心肌血流灌注。
Conclusions Thrombus-targeted ultrasound contrast agent can enhance ultrasound imaging of acute thrombus in canine femoral vein.
结论血栓靶向超声造影剂可使犬急性血栓回声明显增强。
Objective To investigate the enhancement of color Doppler signals in lower limb arteries by intravenous ultrasound contrast agent.
目的探讨经静脉声学造影剂对下肢动脉彩色血流信号的增强作用。
Present study shows that ultrasound contrast agent which may be effective carrier of drug and gene have great potential in treatment.
目前的研究表明，超声微泡造影剂在治疗中也显示出巨大潜力，可作为一种有效的基因或药物运载工具。
Objective To explore the value of ultrasound contrast agent and cadence contrast pulse sequencing technology (CPS) in renal occupied lesions.
目的探讨超声造影剂及对比脉冲序列成像技术在肾占位性病变中的应用价值。
Objective To evaluate the enhancement effect of the thrombus-targeted ultrasound contrast agent on acute thrombus in normal canine femoral vein.
目的探讨血栓靶向造影剂对犬股静脉急性血栓增强的效果。
Ultrasound contrast agent is helpful to the display of the tiny and slow blood flow in breast tumors, and can improve the accuracy of ultrasound.
超声造影剂能帮助显示肿瘤内微小低速的血流，提高超声对肿瘤血管显示的准确性。
Objective To investigate the effect of a self-made albumin perfluorocarbon ultrasound contrast agent in enhancing the imaging of normal rabbit kidney.
目的探讨自制氟烷微泡超声造影剂对兔肾的显影作用。
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.
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。
OBJECTIVE: to investigate the difficulties and solution in the preparation of different ultrasound contrast agents so as to find an ideal polymer contrast agent.
目的：探讨各种超声对比剂制备中遇到的困难以及解决方法，从而最终寻找合理的高分子材料超声对比剂。
Different core components in the production process and materials coated for nano-scale ultrasound contrast agent exhibit different characteristics respectively.
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。
This review describes the background and current research situation of nanoscale ultrasound contrast agent, as well as the potential disadvantages and prospective.
本文就纳米级超声造影剂的研究背景、研究现状、现存的问题及发展前景做一综述。
Microbubble may be a vector for target treatment. Therefore, ultrasound contrast agent as an new and non-invasive vector for treatment holds considerable promises.
微泡可能成为靶向治疗的载体，超声造影剂作为一种新型、无创的运载系统具有广阔的应用前景。
According to different membrane materials, Encapsulated microbubbles ultrasound contrast agent can be divided into several categories such as albumin, liposome, polymer.
按膜材料的不同，包膜微泡造影剂可分为白蛋白类、非离子表面活性剂类、脂质体类和多聚体类。
Conclusions the combine use of the high MI ultrasound and the high dosage of the ultrasound contrast agent can enhance the permeability of the BBB, but this change is reversible.
结论高机械指数的体表超声辅以高剂量超声造影剂在经颅脑超声造影中可导致血脑屏障通透性增加，但在造影检查后，这种改变可自行恢复。
Conclusions Ultrasound contrast agent Levovist improves signal of blood flow obviously. It increases the diagnostic accuracy for intracranial aneurysms and the level of confidence.
结论使用超声造影剂可明显增强颅内血管信号强度，提高颅内动脉瘤的检出率。
Objective to study the enhancement of color Doppler signals on hepatic neoplasms with intravenous ultrasound contrast agent and to evaluate the significance in diagnosis of hepatic neoplasms.
目的探讨经静脉超声造影对肝肿瘤彩色血流信号的增强作用及其在肿瘤的诊断和鉴别诊断中的应用价值。
Conclusions Intravenous ultrasound contrast agent could give rise color Doppler signals in lower limb arteries, and help to make lower limb artery disease diagnosis to a more accurate extent.
结论经静脉超声造影剂能够显著增强下肢动脉彩色血流信号，有助于下肢血管病变的诊断。
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.
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。
ABSTRACT: Objective To prepare polyelectrolyte multilayer film-coated microbubble ultrasound contrast agent (UCA) and evaluate its effects in contrast imaging on normal rabbit's liver parenchyma.
摘要：目的制备多层聚电解质膜包覆的微泡超声造影剂，观察其对正常兔肝脏超声显影效果。
Objective To evaluate the enhancement effect of self made lipid ultrasound contrast agent for normal rabbit kidney and the relationship of doses or different imaging methods with enhancement effects.
目的探讨自制脂质类超声造影剂对正常兔肾的增强效果，以及不同显像方式、造影剂量对造影效果的影响与变化规律。
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.
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。
Targeted micro-bubble contrast agent can reach a specific target via intravenous injection, and improve the resolution of local tissues under the action of low power ultrasound imaging.
其中靶向微泡对比剂经静脉注射可到达特定靶区，低功率超声作用下可提高局部组织显影的分辨率。
Objective To prepare an ultrasound microbubble contrast agent using PLLA-PEG-PLLA copolymer as the shell material, and test their acoustic characteristics in vitro.
目的用PLLA - PEG - plla共聚物为外壳材料制备微泡造影剂，建立体外声学性质测定装置和方法。
Objective To prepare an ultrasound microbubble contrast agent using PLLA-PEG-PLLA copolymer as the shell material, and test their acoustic characteristics in vitro.
目的用PLLA - PEG - plla共聚物为外壳材料制备微泡造影剂，建立体外声学性质测定装置和方法。
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