Production of Membrane-Filtered Phase-Shift Decafluorobutane Nanodroplets from Preformed Microbubbles.

Production of Membrane-Filtered Phase-Shift Decafluorobutane Nanodroplets from Preformed Microbubbles.
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从预形成的微泡生产膜过滤的相移十氯丁烷纳米液滴。

DOI:
10.3791/62203
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发表时间:
2021-03-23
期刊:
Journal of visualized experiments : JoVE
影响因子:
--
通讯作者:
Sirsi SR
Sirsi SR
中科院分区:
其他
文献类型:
--
作者:
Merillat DA;Honari A;Sirsi SR

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有许多方法可用于产生用于成像和治疗的可蒸发相移液滴。每种方法都采用不同的技术,价格,材料和目的也各不相同。这些制造方法中的许多导致具有不均匀激活阈值的多分散群体。此外,控制液滴尺寸通常需要具有高激活阈值的稳定的全氟化碳液体,这在体内是不实用的。使用低沸点气体产生均匀的液滴尺寸将有利于体内成像和治疗实验。本文描述了一种简单而经济的方法,用于形成具有低沸点十氟丁烷(DFB)的尺寸过滤的脂质稳定的相移纳米液滴。描述了一种产生脂质微泡的常用方法,以及一种在单个步骤中用高压挤出冷凝它们的新方法。该方法旨在节省时间,最大限度地提高效率,并使用许多生物实验室中常见的实验室设备为各种应用产生更大体积的微泡和纳米液滴溶液。
There are many methods that can be used for the production of vaporizable phase-shift droplets for imaging and therapy. Each method utilizes different techniques and varies in price, materials, and purpose. Many of these fabrication methods result in polydisperse populations with non-uniform activation thresholds. Additionally, controlling the droplet sizes typically requires stable perfluorocarbon liquids with high activation thresholds that are not practical in vivo. Producing uniform droplet sizes using low-boiling point gases would be beneficial for in vivo imaging and therapy experiments. This article describes a simple and economical method for the formation of size-filtered lipid-stabilized phase-shift nanodroplets with low-boiling point decafluorobutane (DFB). A common method of generating lipid microbubbles is described, in addition to a novel method of condensing them with high-pressure extrusion in a single step. This method is designed to save time, maximize efficiency, and generate larger volumes of microbubble and nanodroplet solutions for a wide variety of applications using common laboratory equipment found in many biological laboratories.
DOI: 10.1179/175889709x446507
发表时间: 2009-11
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影响因子: --
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发表时间: 2014
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影响因子: 3.2
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