High-throughput flowing upstream sperm sorting in a retarding flow field for human semen analysis

Jen Kuei Wu, Peng Chun Chen, Yu Nan Lin, Chia Woei Wang, Li Chern Pan, Fan Gang Tseng

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In this paper, we propose a microfluidic device capable of generating a retarding flow field for the sorting and separation of human motile sperm in a high-throughput manner. The proposed sorting/separation process begins with a rapid flow field in a straight-flow zone to carry sperm into a sorting zone to maintain the sperm's mobility. The sorting zone consists of a diffuser-type sperm sorter to differentiate sperm with different motilities based on the flowing upstream nature of human sperm in a retarding flow field. The dead sperm will then be separated from the live ones by passing through a dumbbell flow field to the outlet for disposal. The proposed flowing upstream sperm sorter (FUSS) is designed to imitate the selection mechanism found in the female body when sperm swim into the uterus. The experimental results demonstrate the utility of this device with regard to throughput (approximately 200:000 sperm per minute and a maximum of 200 million cells per mL), efficiency (90% of selected sperm are mobile), and the ability to select sperm with high motility (∼20% of sperm with a velocity exceeding 120 μm s-1). The proposed device is suitable for intrauterine insemination as well as in vitro fertilization thanks to the highly efficient sorting process not interfering with the natural function and energy resource of human sperm.

Original languageEnglish
Pages (from-to)938-944
Number of pages7
JournalAnalyst
Volume142
Issue number6
DOIs
Publication statusPublished - Mar 21 2017

Fingerprint

Semen Analysis
Sorting
sperm
sorting
flow field
Spermatozoa
Flow fields
Throughput
Energy resources
Microfluidics
Lab-On-A-Chip Devices
motility
analysis
Equipment and Supplies
Sperm Motility
Insemination
Fertilization in Vitro
energy resource
Uterus

ASJC Scopus subject areas

  • Analytical Chemistry
  • Environmental Chemistry
  • Biochemistry
  • Spectroscopy
  • Electrochemistry

Cite this

High-throughput flowing upstream sperm sorting in a retarding flow field for human semen analysis. / Wu, Jen Kuei; Chen, Peng Chun; Lin, Yu Nan; Wang, Chia Woei; Pan, Li Chern; Tseng, Fan Gang.

In: Analyst, Vol. 142, No. 6, 21.03.2017, p. 938-944.

Research output: Contribution to journalArticle

Wu, Jen Kuei ; Chen, Peng Chun ; Lin, Yu Nan ; Wang, Chia Woei ; Pan, Li Chern ; Tseng, Fan Gang. / High-throughput flowing upstream sperm sorting in a retarding flow field for human semen analysis. In: Analyst. 2017 ; Vol. 142, No. 6. pp. 938-944.
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