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<p>The isolation of small extracellular vesicles (sEVs), viruses and other nanoscale lipid particles from biofluids offers actionable possibilities for advancing disease diagnosis, drug delivery, regenerative medicine, personalized medicine and immunotherapy. Several methods are available to isolate sEVs from biofluids and acoustic techniques provide distinct advantages. Challenges constraining its wider application encompass the absence of adequate procedures for fabrication, implementation and performance validation. These issues impede the development of protocols applicable to nanoscale bioparticles experiencing acoustic isolation effects. Here we present a detailed protocol for acoustic separation of nanoscale bioparticles from biofluids, including plasma and saliva, achieving both high purity and throughput suitable for routine application. This protocol offers a comprehensive, step-by-step guide for the design and fabrication of the acoustic separation device, the establishment of the experimental setup and the isolation of bioparticles. To ensure reliability, rigor and reproducibility, we delineate essential procedures, including acoustic field optimization, channel fabrication and biofluid preparation, subsequently validating the protocol and its performance across different operators. Our protocol further encompasses procedures for data collection and analysis, which are essential for characterizing viruses and sEVs, as well as for evaluating their quality and integrity. This protocol enables researchers to perform high-quality isolation of nanoscale bioparticles, providing access to reliable acoustic separation techniques. Standardizing this technique will pave the way for discoveries in virology and intercellular communication research, with applications in medicine, biology, and materials science.</p>

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Acoustic separation and isolation of viruses, small extracellular vesicles and other nanoscale bioparticles

  • 期刊论文

  • 发表日期：

    2026年1月9日

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  • Jianping Xia,
  • Brandon Lu,
  • Shujie Yang,
  • Arindam Ghosh,
  • Chaoran Chang,
  • Abbas Hakim,
  • John D. H. Mai,
  • Ying Chen,
  • David T. W. Wong,
  • John P. Nolan,
  • Louise C. Laurent,
  • Ming Dao,
  • Yoel Sadovsky,
  • Luke P. Lee,
  • Subra Suresh,
  • Tony Jun Huang

摘要

The isolation of small extracellular vesicles (sEVs), viruses and other nanoscale lipid particles from biofluids offers actionable possibilities for advancing disease diagnosis, drug delivery, regenerative medicine, personalized medicine and immunotherapy. Several methods are available to isolate sEVs from biofluids and acoustic techniques provide distinct advantages. Challenges constraining its wider application encompass the absence of adequate procedures for fabrication, implementation and performance validation. These issues impede the development of protocols applicable to nanoscale bioparticles experiencing acoustic isolation effects. Here we present a detailed protocol for acoustic separation of nanoscale bioparticles from biofluids, including plasma and saliva, achieving both high purity and throughput suitable for routine application. This protocol offers a comprehensive, step-by-step guide for the design and fabrication of the acoustic separation device, the establishment of the experimental setup and the isolation of bioparticles. To ensure reliability, rigor and reproducibility, we delineate essential procedures, including acoustic field optimization, channel fabrication and biofluid preparation, subsequently validating the protocol and its performance across different operators. Our protocol further encompasses procedures for data collection and analysis, which are essential for characterizing viruses and sEVs, as well as for evaluating their quality and integrity. This protocol enables researchers to perform high-quality isolation of nanoscale bioparticles, providing access to reliable acoustic separation techniques. Standardizing this technique will pave the way for discoveries in virology and intercellular communication research, with applications in medicine, biology, and materials science.