Eugene W. Moretti,Robert Lavin Wood,Allan Bruce Shang,Steven S. Yauch
申请号:
US16551844
公开号:
US20190383751A1
申请日:
2019.08.27
申请国别(地区):
US
年份:
2019
代理人:
摘要:
A method of monitoring a respiratory stream can be provided by monitoring color change of a color change material to determine a CO2 level of the respiratory stream in contact with the color change material by emitting visible light onto the color change material. Related devices, systems, and compositions are also disclosed.