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Article: Optofluidic time-stretch imaging – an emerging tool for high-throughput imaging flow cytometry

TitleOptofluidic time-stretch imaging – an emerging tool for high-throughput imaging flow cytometry
Authors
Issue Date2016
PublisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/loc
Citation
Lab On a Chip, 2016, v. 16 n. 10, p. 1743-1756 How to Cite?
AbstractOptical imaging is arguably the most effective tool to visualize living cells with high spatiotemporal resolu- tion and in a nearly noninvasive manner. Driven by this capability, state-of-the-art cellular assay techniques have increasingly been adopting optical imaging for classifying different cell types/stages, and thus dissecting the respective cellular functions. However, it is still a daunting task to image and characterize cell-to-cell variability within an enormous and heterogeneous population – an unmet need in single-cell analysis, which is now widely advocated in modern biology and clinical diagnostics. The challenge stems from the fact that current optical imaging technologies still lack the practical speed and sensitivity for mea- suring thousands to millions of cells down to the single-cell precision. Adopting the wisdom in high-speed fiber-optics communication, optical time-stretch imaging has emerged as a completely new optical imag- ing concept which is now proven for ultrahigh-throughput optofluidic single-cell imaging, at least 1–2 orders-of-magnitude higher (up to ∼100000 cells per second) compared to the existing imaging flow cytometers. It also uniquely enables quantification of intrinsic biophysical markers of individual cells – a largely unexploited class of single-cell signatures that is known to be correlated with the overwhelmingly investigated biochemical markers. With the aim of reaching a wider spectrum of experts specializing in cel- lular assay developments and applications, this paper highlights the essential basics of optical time-stretch imaging, followed by reviewing the recent developments and applications of optofluidic time-stretch imag- ing. We will also discuss the current challenges of this technology, in terms of providing new insights in ba- sic biology and enriching the clinical diagnostic toolsets.
Persistent Identifierhttp://hdl.handle.net/10722/229199
ISSN
2015 Impact Factor: 5.586
2015 SCImago Journal Rankings: 2.373

 

DC FieldValueLanguage
dc.contributor.authorLau, KSA-
dc.contributor.authorShum, HC-
dc.contributor.authorWong, KKY-
dc.contributor.authorTsia, KKM-
dc.date.accessioned2016-08-23T14:09:36Z-
dc.date.available2016-08-23T14:09:36Z-
dc.date.issued2016-
dc.identifier.citationLab On a Chip, 2016, v. 16 n. 10, p. 1743-1756-
dc.identifier.issn1473-0197-
dc.identifier.urihttp://hdl.handle.net/10722/229199-
dc.description.abstractOptical imaging is arguably the most effective tool to visualize living cells with high spatiotemporal resolu- tion and in a nearly noninvasive manner. Driven by this capability, state-of-the-art cellular assay techniques have increasingly been adopting optical imaging for classifying different cell types/stages, and thus dissecting the respective cellular functions. However, it is still a daunting task to image and characterize cell-to-cell variability within an enormous and heterogeneous population – an unmet need in single-cell analysis, which is now widely advocated in modern biology and clinical diagnostics. The challenge stems from the fact that current optical imaging technologies still lack the practical speed and sensitivity for mea- suring thousands to millions of cells down to the single-cell precision. Adopting the wisdom in high-speed fiber-optics communication, optical time-stretch imaging has emerged as a completely new optical imag- ing concept which is now proven for ultrahigh-throughput optofluidic single-cell imaging, at least 1–2 orders-of-magnitude higher (up to ∼100000 cells per second) compared to the existing imaging flow cytometers. It also uniquely enables quantification of intrinsic biophysical markers of individual cells – a largely unexploited class of single-cell signatures that is known to be correlated with the overwhelmingly investigated biochemical markers. With the aim of reaching a wider spectrum of experts specializing in cel- lular assay developments and applications, this paper highlights the essential basics of optical time-stretch imaging, followed by reviewing the recent developments and applications of optofluidic time-stretch imag- ing. We will also discuss the current challenges of this technology, in terms of providing new insights in ba- sic biology and enriching the clinical diagnostic toolsets.-
dc.languageeng-
dc.publisherRoyal Society of Chemistry. The Journal's web site is located at http://www.rsc.org/loc-
dc.relation.ispartofLab On a Chip-
dc.titleOptofluidic time-stretch imaging – an emerging tool for high-throughput imaging flow cytometry-
dc.typeArticle-
dc.identifier.emailLau, KSA: kslau718@hku.hk-
dc.identifier.emailShum, HC: ashum@hku.hk-
dc.identifier.emailWong, KKY: kywong@eee.hku.hk-
dc.identifier.emailTsia, KKM: tsia@hku.hk-
dc.identifier.authorityShum, HC=rp01439-
dc.identifier.authorityWong, KKY=rp00189-
dc.identifier.authorityTsia, KKM=rp01389-
dc.identifier.doi10.1039/C5LC01458A-
dc.identifier.hkuros262132-
dc.identifier.volume16-
dc.identifier.issue10-
dc.identifier.spage1743-
dc.identifier.epage1756-
dc.publisher.placeUnited Kingdom-

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