See sample publications: 15 Evaluation of Optogenetic Electrophysiology Tools in Human Stem Cell-Derived Cardiomyocytes. Frontiers in Physiology 8 October 2017; 14 A neural network underlying circadian entrainment and photoperiodic adjustment of sleep and activity in Drosophila. Journal of Neuroscience, 36(35), 9084-9096. 2016; 13 Optogenetic Control of Gene Expression in Drosophila. PLOS one, September 18, 2015; 12. Analysis of functional neuronal connectivity in the Drosophila brain J Neurophysiol. 2012 Jul 15; 108(2): 684?96; 11. Differentially timed extracellular signals synchronize pacemaker neuron clocks. PLoS Biol. 2014 September; 12(9); 10, 9, 8, 7, 6, 1, 2, 3, 4, 5. Bioscience Tools ph: 010-67529703 fax: 010-67529703 email: chengyuan@bio-goods.com