An integrated, miniature (1.9 g) fluorescence microscope containing light source, optics and sensor allows high-speed, wide field of view imaging of calcium spiking in hundreds of neurons in freely moving mice. The mass-producible portable microscope is also useful for a variety of fluorescence assays for which size, cost and portability can be concerns.
- Kunal K Ghosh
- Laurie D Burns
- Mark J Schnitzer