This paper presents a novel microgenerator of CO₂ (carbon dioxide) gas. NaHCO₃ (sodium bicarbonate) in a chamber is decomposed by the underlaid microheater. Alternatively, water droplet is caged by paraffin layer and released by heating. The relea...
This paper presents a novel microgenerator of CO₂ (carbon dioxide) gas. NaHCO₃ (sodium bicarbonate) in a chamber is decomposed by the underlaid microheater. Alternatively, water droplet is caged by paraffin layer and released by heating. The released water dissolve HOC(COOH)(CH₂COOH)₂ (citric acid) powder and then, NaHCO₃ reacts with HOC(COOH)(CH₂COOH)₂ and CO₂ is produced. Produced CO₂ can be used for actuation or pH control in portable cell chips. Constituents of CO₂ generators described in this paper is simple, easy to be controlled and integrated, and totally bio-compatible.