Nirvana Sciences, a US-based medical diagnostics technology spinout from North Carolina State University (NC State), has received $785,000 of a targeted $1.5m round from undisclosed investors, according to a regulatory filing.

Founded in 2011, Nirvana Sciences is developing fluorescent dyes for imaging and diagnostics purposes such as counting immune cells to monitor diseases including leukaemia or HIV, in a process known as flow cytometry.

The dyes work by absorbing light and emitting fluorescence at varying wavelengths that can be tracked…