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第 49 卷第 4 期Vol. 49 No. 4
2019 年 8 月Aug 2019

所屬欄目:醫藥及中間體

負載黃芪多糖的Span-PEG微泡的抑菌和超聲造影效果
宋立梅,張 杰*,張慧明,王 欣,焦玉鳳 (佳木斯大學(xué),黑龍江 佳木斯 154007)
摘 要:利用聲振空化法制備負載黃芪多糖的Span-PEG微泡,考察其抑菌以及超聲成像效果。實(shí)驗結果表明,所制備的Span-PEG復合微泡平均粒徑為595.3 nm、Zeta電位為-18.8 mV,Span-PEG復合微泡中黃芪多糖負載率為(8.60±0.24)%。Span-PEG復合微泡對大腸桿菌和金黃色葡萄球菌具有抑菌作用,且效果隨Span-PEG復合微泡濃度的增加而增強。Span-PEG復合微泡在家兔體內心臟、腎臟和子宮均具有顯著(zhù)的超聲顯影效果。
關(guān)鍵詞:黃芪多糖;超聲造影劑;抑菌;超聲成像
中圖分類(lèi)號:R313  文獻標識碼:A  文章編號:1009-9212(2019)04-0031-04
Bacteriostatic and Sonographic Effects of Span-PEG Microbubbles Loaded with Polysaccharose
SONG Li-mei, ZHANG Jie*, ZHANG Hui-ming, WANG Xin, JIAO Yu-feng (Jiamusi University, Heilongjiang, Jiamusi 154007, China)
Abstract:Span-PEG microbubbles loaded with the astragalus polysaccharide were prepared by acoustic cavitation method. Its effects on the bacteriostatic and ultrasonic imaging were investigated. The experimental results showed that: the average particle size of the Span-PEG composite microbubbles was 595.3 nm, the Zeta potential was -18.8 mV; and the load rate of astragalus polysaccharide in the Span-PEG composite microbubbles was (8.60±0.24)%; Span-PEG composite microbubbles had the bacteriostatic effect on escherichia coli and staphylococcus aureus, and the bacteriostatic effect increased with the increase of the Span-PEG composite microbubbles concentration; the Span-PEG composite microbubbles have significant ultrasonic imaging effect on the heart, kidney and uterus in rabbits.
Key words:astragalus polysaccharide; ultrasound contrast agent; bacteriostatic; ultrasound imaging
基金項目: 國家自然科學(xué)基金(81601616),黑龍江省省屬本科高;究蒲袠I(yè)務(wù)費優(yōu)秀創(chuàng )新團隊建設項目(2018-KYYWF-0914),黑龍江省自然科學(xué)基金(E2017063),佳木斯大學(xué)大學(xué)生創(chuàng )新創(chuàng )業(yè)項目(2019xj05)。
作者簡(jiǎn)介:宋立梅(1995-),女,黑龍江雞西人,碩士,研究方向:生物醫用材料(E-mail:778187126@qq.com)。
聯(lián) 系 人:張 杰,副教授,研究方向:生物醫用材料(mail: zjie612@163.com)。
收稿日期:2019-07-12
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