In recent years, several renown and reliable products were discontinued by their manufacturers npi electronic offers great alternative solutions for: Pressurized drug application Our PDES Pneumatic Drug Ejection System is the device for intracellular microinjection and extracellular dispense of liquids in the picoliter and nanoliter range Perfusion systems We offer complete perfusion systems and accessories, from simple pump based systems to multichannel superfusion focal drug application. All systems can be combined with temperature control Pipette holders Contact us for any customized holder request Recording chambers Contact us for any customized chamber request Voltammetric amplifiers (voltammeter - amperometer) Our VA-10 series is the instrument of choice for high-sensitivity experimentation in the pA range Two electrode amplifiers (two electrode voltage clamp) We provide amplifiers for Xenopus oocytes and other large cells and complete recording setups Ion sensitive / ion selective amplifiers (for ion specific electrodes) Our ION-01M is great for