期刊
RSC ADVANCES
卷 11, 期 55, 页码 34440-34448出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1ra04983f
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资金
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [106.02.2018.315]
This study investigated the application of PEG/HSA conjugated albumin-stabilized ultrafine bubbles in drug loading and release. The results showed a significant enhancement in matrix stability with the addition of PEG/HSA, achieving approximately 90% drug-loading efficiency. In vitro drug release experiments demonstrated that over 40% of the loaded quercetin was released within 5 minutes.
The application of ultrafine bubbles as drug carriers in drug delivery is still in its developmental stage; it is important to obtain a thorough understanding of the factors affecting the formation and stability of drug carrier matrices. In this study, the polyethylene glycol (PEG)-conjugated human serum albumin (HSA)-based ultrafine bubble simulating the physiological electrolyte concentration in human blood (154 mM) for quercetin delivery was investigated. Optical absorbance measurements, surface tension measurements, and fluorescence laser imaging were also employed to assess the plausibility of polymer-conjugated albumin-stabilized ultrafine bubbles in drug loading and drug release. The incorporation of PEG/HSA into the system illustrated a significant enhancement in the matrix's stability as confirmed by surface tension measurements and drug-loading efficiency achieving approximately 90%. In addition, in vitro drug release was performed by the application of high-frequency ultrasound, indicating more than 40% of the loaded quercetin was astonishingly liberated within 5 minutes of exposure.
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