  Diamond quantum sensing is an emerging technology for probing multiple
physico-chemical parameters in the nano- to micro-scale dimensions within
diverse chemical and biological contexts. Integrating these sensors into
microfluidic devices enables the precise quantification and analysis of small
sample volumes in microscale channels. In this Perspective, we present recent
advancements in the integration of diamond quantum sensors with microfluidic
devices and explore their prospects with a focus on forthcoming technological
developments.
