HI! I NEED TO USE ELECTROPORATION ON LETTUCE PROTOPLASTS, BUT I AM NOT SURE WHICH PARAMETERS I SHOULD USE. OUR UNIT IS A BIORAD, THE CUVETTES ARE O.4 CM. IF YOU HAVE ANY SUGGESTION ON WHAT VOLTAGE, CAPACITANCE, ETC. THAT I SHOULD USE, YOUR HELP WOULD BE MUCH APPRECIATED. THANK YOU.