Multiplex bio-assay with inductively coupled plasma mass spectrometry: Towards a massively multivariate single-cell technology

Recent progress in the development of massively multiplexed bioanalytical assays using element tags with inductively coupled plasma mass spectrometry detection is reviewed. Feasibility results using commercially available secondary immunolabeling reagents for leukemic cell lines are presented. Multi...

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Bibliographic Details
Published in:Spectrochimica acta. Part B: Atomic spectroscopy 2007-03, Vol.62 (3), p.188-195
Main Authors: Tanner, Scott D., Ornatsky, Olga, Bandura, Dmitry R., Baranov, Vladimir I.
Format: Article
Language:English
Subjects:
Element-tagged immunoassay
Flow cytometer
ICP-MS
Multiplex assay
Single-cell assay
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Summary:Recent progress in the development of massively multiplexed bioanalytical assays using element tags with inductively coupled plasma mass spectrometry detection is reviewed. Feasibility results using commercially available secondary immunolabeling reagents for leukemic cell lines are presented. Multiplex analysis of higher order is shown with first generation tag reagents based on functionalized carriers that bind lanthanide ions. DNA quantification using metallointercalation allows for cell enumeration or mitotic state differentiation. In situ hybridization permits the determination of cellular RNA. The results provide a feasibility basis for the development of a multivariate assay tool for individual cell analysis based on inductively coupled plasma mass spectrometry in a cytometer configuration.
ISSN:0584-8547
1873-3565
DOI:10.1016/j.sab.2007.01.008