But what to use for the starting point? Enter an old Radio Shack P-Box stereo amplifier kit. After a few modernizations and tweaks, the result is an 8-transistor stereo amplifier that’s ...

With its selection of kits (cAMP femto, cAMP dynamic and cAMP HiRange), Cisbio allows detection of a broad range of cyclic AMP concentrations. Classically, the GPCR signaling pathway is considered ...

The circuit was on the vendor’s website and is so commonly used for these sort of kits that it can be found all over the web — a very conventional twin common-cathode amplifier using a pair of ...