Microfluidic devices and method for sampling and analysis of cells using optical forces and raman spectroscopy

Abstract

Provided are methods and devices for automated analysis of one or more samples in single or multi-well plates or vessels, wherein the process of automated analysis comprises flow and hydrodynamic, electrokinetic, and optical forces for the analysis and sorting of samples, wherein the samples comprise liquid or particles in microfluidic channels, and wherein the devices comprise an assembly of components that enable processing of a said samples for analytical assessment by fluidic and/or particle based instruments. Microfluidic structures (channels, “T's”, “Y's”, branched “Y's”, wells, and weirs) are described for facilitating sample interaction and observation, sample analysis, sorting, or isolation. Detection can be accomplished using spectroscopic methods including, but not limited to, Raman spectroscopy of single cells and bulk cellular samples (collections of cells; several individuals to hundreds or thousands of cells).

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