We present the creation of wearable devices that measure transcutaneous partial oxygen or carbon dioxide pressure (tcpO2 or tcpCO2) non-invasively. The devices are highly sensitive to the physiological pO2/pCO2, and detects changes in luminescence (lifetime or ratiometric brightness) of mellaporphyrins or HPTS dye molecules embedded within breathable, hydrophobic films. Our first in human measurements reveal the devices are able to detect quick and subtle changes in tcpO2 due to local and systemic changes in blood flow of skin or deeper muscle tissue. Models to extract tissue oxygenation and oxygen consumption rate are explored.
The interdisciplinary field of biomedical optics is a potential career choice for students with various educational backgrounds. Despite this, the field of biomedical optics education remains it in infancy. Having recognized the lack of data regarding the causes of lack of awareness of the field, we seek to understand where interventions need to be made to increase access to biomedical optics education. To that end, we have distributed a survey to those in biomedical optics to determine their path to awareness of this field. We present the results of this survey and make recommendations for future biomedical optics outreach initiatives.
A virtual outreach program was developed specifically for the field of biophotonics. The program consisted of hands-on activities using kits sent to students in advance, real-time video lab tours and prerecorded video content.
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