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Total Internal Reflection Transient Absorption Microscopy: An Online Detection Method for Microfluidics.


ABSTRACT: Microreactors have garnered widespread attention for their tunability and precise control of synthetic parameters to efficiently produce target species. Despite associated advances, a lack of online detection and optimization methods has stalled the progression of microfluidic reactors. Here we employ and characterize a total internal reflection transient absorption microscopy (TIRTAM) instrument to image excited state dynamics on a continuous flow device. The experiments presented demonstrate the capability to discriminate between different chromophores as well as in differentiating the effects of local chemical environments that a chromophore experiences. This work presents the first such online transient absorption measurements and provides a new direction for the advancement and optimization of chemical reactions in microfluidic devices.

SUBMITTER: Colon BA 

PROVIDER: S-EPMC7528437 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Total Internal Reflection Transient Absorption Microscopy: An Online Detection Method for Microfluidics.

Colon Brandon A BA   Hassan Muhammad Redwan MR   Saleheen Amirus A   Baker Christopher A CA   Calhoun Tessa R TR  

The journal of physical chemistry. A 20200507 20


Microreactors have garnered widespread attention for their tunability and precise control of synthetic parameters to efficiently produce target species. Despite associated advances, a lack of online detection and optimization methods has stalled the progression of microfluidic reactors. Here we employ and characterize a total internal reflection transient absorption microscopy (TIRTAM) instrument to image excited state dynamics on a continuous flow device. The experiments presented demonstrate t  ...[more]

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