OCaMP: A New Calcium Indicator for Neural Imaging
Type
Blog Post
Published
Aug. 19, 2025, 1:15 p.m.
...shows:
Higher ΔF/F0 (the measure of signal change during calcium events),
Greater brightness,
Less signal...neuroscience research. These fluorescent proteins light up in response to calcium, which is more than just...each indicator needs to emit a different color of light and be compatible with the lasers available in your...once using existing indicators. For example, you might want to use OCaMP to monitor Ca2+ signals, while...iGluSnFR4 to monitor glutamate in green/yellow and RdLight to monitor dopamine in red.
However, current red...becoming increasingly common due to their low cost and high power, but because they are non-tunable, their usefulness...enabling two-photon imaging without compromising on brightness, ∆F/F0, or signal-to-noise ratio (Figure 3).
...