简介：
Overview
This article describes a method for manufacturing large volumes of lipid-based oxygen microbubbles (LOMs) for intravenous oxygen delivery. The process utilizes high-shear homogenization and serial concentration techniques to achieve the desired oxygen concentration.
Key Study Components
Area of Science
- Biomedical Engineering
- Respiratory Medicine
- Microbubble Technology
Background
- Lipid-based oxygen microbubbles are promising for enhancing oxygen delivery.
- High-shear homogenization is a critical technique for producing stable emulsions.
- Quality control is essential to ensure the effectiveness of the microbubbles.
- Understanding the manufacturing process can lead to better therapeutic applications.
Purpose of Study
- To develop a reliable method for producing LOMs for medical use.
- To achieve a high volume percentage of oxygen in the microbubbles.
- To ensure the quality and stability of the produced microbubbles.
Methods Used
- High-shear homogenization for emulsion preparation.
- Gas-tight tank for controlled gas incorporation.
- Modified syringes for extrusion of the emulsion.
- Centrifugation for concentration of the oxygen foam.
Main Results
- Production of LOMs containing 90% oxygen by volume.
- Yield of two liters of oxygen microbubbles.
- Successful quality control measures implemented.
- Assessment of particle size distribution using light scattering technology.
Conclusions
- The method provides a scalable approach for LOM production.
- High oxygen concentration achieved is suitable for intravenous delivery.
- Quality control is crucial for clinical applications.
What are lipid-based oxygen microbubbles?
Lipid-based oxygen microbubbles are small gas-filled bubbles stabilized by lipids, designed to enhance oxygen delivery in medical applications.
How is the oxygen concentration achieved?
Oxygen concentration is achieved through high-shear homogenization and subsequent centrifugation to concentrate the emulsion.
What is the significance of quality control?
Quality control ensures that the microbubbles meet the required specifications for effective therapeutic use.
What applications do LOMs have?
LOMs can be used in various medical applications, particularly in enhancing oxygen delivery during surgeries or in critical care settings.
What technology is used to assess particle size distribution?
Light scattering technology is employed to assess the particle size distribution of the microbubbles.
Can this method be scaled up for larger production?
Yes, the method described is scalable, allowing for the production of large volumes of LOMs.
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