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Microfluidics and Nanofluidics

, Volume 18, Issue 5–6, pp 755–774 | Cite as

The study of spermatozoa and sorting in relation to human reproduction

  • James Boon Yong Koh
  • MarcosEmail author
Review

Abstract

In this review article, we seek to provide a link between our understanding of the spermatozoa on the physical aspects and applications involving assisted reproduction, so that future research in this field can be better poised for improving current procedures. A brief discussion is included regarding the difference in the fluid mechanics of a Newtonian and viscoelastic fluid medium. A review is then done on the current microfluidic sorting techniques applicable to spermatozoa, which includes the albumin gradient separation, fluorescence activated flow cytometry, electrophoresis, dielectrophoresis, countercurrent distribution, movement of motile sperms, accumulation at walls, and optical trapping. Common preparation methods for spermatozoa used in assisted reproduction are also introduced. A number of other general particle manipulation methods which could potentially be incorporated for sperm sorting are also discussed.

Keywords

Assisted reproduction Gender selection Microfluidics Spermatozoa Sorting 

Notes

Acknowledgments

This study is supported by the Academic Research Fund (AcRF) Tier1 (RG 49/11), Ministry of Education, Singapore, and NTU SUG grant M4080741.050. We would like to thank Kong Tian Fook for his comments on our manuscript.

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© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.School of Mechanical and Aerospace EngineeringNanyang Technological UniversitySingaporeSingapore

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