期刊
ACS APPLIED MATERIALS & INTERFACES
卷 1, 期 2, 页码 481-487出版社
AMER CHEMICAL SOC
DOI: 10.1021/am800150p
关键词
Nanobubbles; quartz crystal microbalance (QCM); lysozyme; sodium dodecyl sulfate (SDS); cleaning; electrolysis; degassing
资金
- Australian Research Council
The use of nanobubbles, the common surfactant sodium dodecyl sulfate (SDS) and nanobubbles in combination with SDS as cleaning agents to remove lysozyme from the solid-liquid interface has been investigated using a quartz crystal microbalance on both hydrophobic and hydrophilic surfaces. On the hydrophobic surface significant amounts of protein remained on the surface after 10 cycles of nanobubble treatment for 10 superiods in phosphate buffer. The cleaning efficiency of SDS was far superior and was shown to remove approximately 90% of the protein. The use of nanobubbles in combination with SDS failed to improve the cleaning efficiency further. On the other hand, lysozyme on the hydrophilic surface cannot be removed effectively by either 10 cycles of cleaning with nanobubbles or 10 cycles of cleaning with SDS. Nevertheless, the protein can be removed completely after 6 cycles of cleaning with nanobubbles in combination with SDS.
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