average heat power ≤~1nW: bursts of heat delivery 560 pJ
||Baffou G, Rigneault H, Marguet D, Jullien L. A critique of methods for temperature imaging in single cells. Nat Methods. 2014 Aug 28 11(9):899-901. doi: 10.1038/nmeth.3073. p.900 right column 2nd paragraphPubMed ID25166869
||Inomata, N., Toda, M., Sato, M., Ishijima, A. & Ono, Pico calorimeter for detection of heat produced in an individual brown fat cell, T. Appl. Phys. Lett. 100, 154104 (2012). link
||"...the samples studied were brown fat cells, which are responsible for temperature regulation in mammals, with an average heat power that can reach approximately 1 nW and bursts of heat delivery of 560 pJ (primary source)."