nitrite Article 5 nonhuman 5 controlled study 4 Nitrite 3 human 3 nitric oxide 3 reactive oxygen metabolite 3 Adhesives 2 Animals 2 Auxiliary electrodes 2 Cell Survival 2 Costs 2 Cyclic voltammetry 2 EC50 2 Fabrication 2 Graphite 2 Graphite electrodes 2 Humans 2 Low-costs 2 Multi channel 2 Multichannel graphite electrode 2 Nitric oxide 2 Nitrites 2 Nitrospira 2 Polypropylenes 2 Printing techniques 2 Reactive Oxygen Species 2 Reference electrodes 2 Scanning electron microscopy 2