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Title: IR-Live: fabrication of a low-cost plastic microfluidic device for infrared spectromicroscopy of living cells

Abstract

Water is a strong mid-infrared absorber, which has hindered the full exploitation of label-free and non-invasive infrared (IR) spectromicroscopy techniques for the study of living biological samples. To overcome this barrier, many researchers have built sophisticated fluidic chambers or microfluidic chips wherein the depth of the liquid medium in the sample compartment is limited to 10 μm or less. We report an innovative and simple way to fabricate plastic devices with infrared transparent view-ports enabling infrared spectromicroscopy of living biological samples; therefore the device is named “IR-Live”. Advantages of this approach include lower production costs, a minimal need to access a micro-fabrication facility, and unlimited mass or waste exchange for the living samples surrounding the view-port area. We demonstrate that the low-cost IR-Live in combination with microfluidic perfusion techniques enables long term (>60 h) cell culture, which broadens the capability of IR spectromicroscopy for studying living biological samples. To illustrate this, we first applied the device to study protein and lipid polarity in migrating REF52 fibroblasts by collecting 2-dimensional spectral chemical maps at a micrometer spatial resolution. Then, we demonstrated the suitability of our approach to study dynamic cellular events by collecting a time series of spectral maps of U937more » monocytes during the early stage of cell attachment to a bio-compatible surface.« less

Authors:
 [1];  [2];  [2];  [2];  [3]; ORCiD logo [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Berkeley Synchrotron Infrared Structural Biology (BSISB) Imaging Project; Elettra–Sincrotrone Trieste, Trieste (Italy)
  2. National Univ. of Singapore (Singapore). Mechanobiology Inst. (MBI)
  3. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Berkeley Synchrotron Infrared Structural Biology (BSISB) Imaging Project
Publication Date:
Research Org.:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Biological and Environmental Research (BER) (SC-23); USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
OSTI Identifier:
1469125
Grant/Contract Number:  
AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Lab on a chip (Print)
Additional Journal Information:
Journal Name: Lab on a chip (Print); Journal Volume: 16; Journal Issue: 9; Related Information: © 2016 The Royal Society of Chemistry.; Journal ID: ISSN 1473-0197
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; 59 BASIC BIOLOGICAL SCIENCES

Citation Formats

Birarda, G., Ravasio, A., Suryana, M., Maniam, S., Holman, H. -Y. N., and Grenci, G. IR-Live: fabrication of a low-cost plastic microfluidic device for infrared spectromicroscopy of living cells. United States: N. p., 2016. Web. doi:10.1039/c5lc01460c.
Birarda, G., Ravasio, A., Suryana, M., Maniam, S., Holman, H. -Y. N., & Grenci, G. IR-Live: fabrication of a low-cost plastic microfluidic device for infrared spectromicroscopy of living cells. United States. doi:10.1039/c5lc01460c.
Birarda, G., Ravasio, A., Suryana, M., Maniam, S., Holman, H. -Y. N., and Grenci, G. Tue . "IR-Live: fabrication of a low-cost plastic microfluidic device for infrared spectromicroscopy of living cells". United States. doi:10.1039/c5lc01460c. https://www.osti.gov/servlets/purl/1469125.
@article{osti_1469125,
title = {IR-Live: fabrication of a low-cost plastic microfluidic device for infrared spectromicroscopy of living cells},
author = {Birarda, G. and Ravasio, A. and Suryana, M. and Maniam, S. and Holman, H. -Y. N. and Grenci, G.},
abstractNote = {Water is a strong mid-infrared absorber, which has hindered the full exploitation of label-free and non-invasive infrared (IR) spectromicroscopy techniques for the study of living biological samples. To overcome this barrier, many researchers have built sophisticated fluidic chambers or microfluidic chips wherein the depth of the liquid medium in the sample compartment is limited to 10 μm or less. We report an innovative and simple way to fabricate plastic devices with infrared transparent view-ports enabling infrared spectromicroscopy of living biological samples; therefore the device is named “IR-Live”. Advantages of this approach include lower production costs, a minimal need to access a micro-fabrication facility, and unlimited mass or waste exchange for the living samples surrounding the view-port area. We demonstrate that the low-cost IR-Live in combination with microfluidic perfusion techniques enables long term (>60 h) cell culture, which broadens the capability of IR spectromicroscopy for studying living biological samples. To illustrate this, we first applied the device to study protein and lipid polarity in migrating REF52 fibroblasts by collecting 2-dimensional spectral chemical maps at a micrometer spatial resolution. Then, we demonstrated the suitability of our approach to study dynamic cellular events by collecting a time series of spectral maps of U937 monocytes during the early stage of cell attachment to a bio-compatible surface.},
doi = {10.1039/c5lc01460c},
journal = {Lab on a chip (Print)},
number = 9,
volume = 16,
place = {United States},
year = {2016},
month = {3}
}

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Cited by: 11 works
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