SENSITIVE DIAGNOSIS OF BACTERIAL INFECTIONS WITH LABEL-FREE MICROFLUIDICS

Junchen Liao, Song Lin Chua, Bee Luan Khoo

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

Pathogens may hide inside immune cells to avoid the detection of human infectious diseases. We revealed that intracellular bacteria cause monocytes to become much stiffer and larger than healthy individuals. Hence, we introduced a label-free microchip that detects and quantifies monocytes with internalized pathogens (MIP) using inertial focusing. Different bacteria and clinical isolates were utilized to validate the device's functionality and set the infected sample threshold. The MIP platform can complete processing within 1.5 h. Our proof-of-concept shows that the MIP device has excellent prospects for diagnosing microbial infection.

Original languageEnglish
Title of host publicationMicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherChemical and Biological Microsystems Society
Pages785-786
Number of pages2
ISBN (Electronic)9781733419031
Publication statusPublished - Oct 2021
Event25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2021 - Palm Springs, Virtual, United States
Duration: 10 Oct 202114 Oct 2021

Publication series

NameMicroTAS 2021 - 25th International Conference on Miniaturized Systems for Chemistry and Life Sciences

Conference

Conference25th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2021
Country/TerritoryUnited States
CityPalm Springs, Virtual
Period10/10/2114/10/21

Keywords

  • Diagnosis
  • Intracellular pathogens
  • Label-free
  • Microfluidics

ASJC Scopus subject areas

  • Bioengineering
  • Chemical Engineering (miscellaneous)

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