Protonintel provides continuous, real-time, and accurate biomarker monitoring to better manage chronic disease and save lives. The ProtonPetal will be the only solution to provide accurate and real-time potassium (K+) measurements in the interstitial fluid of the skin continuously for heart and kidney care. Data from the ProtonPetal can be monitored by clinicians and end users to effectively use and manage medications, diet, or other treatment options to improve the health of individuals.