Fig. 1. Graph normalizing the sensitivity for each gas: acetone, ethanol, NO, toluene, and xylene
Fig. 2. Normalization of sensitivity for control and diabetic patients measured by the sensor array
Fig. 3. GC-MS analysis of breath of normal and diabetic patients
Fig. 4. PCA results by expiration of diabetic patients and control group
Table 1. Blood analysis of normal and diabetic patients
References
- P, Mochalski, K. Unterkofler, G. Teschl, and A. Amann, "Potential of volatile organic compounds as markers of entrapped humans for use in urban search-and-rescue operations", Trends Analyt. Chem., Vol. 68, pp. 88-106, 2015. https://doi.org/10.1016/j.trac.2015.02.013
- G. Peng, U. Tisch, O. Adams, M. Hakim, N. Shehada, Y. Broza, S. Billan, R. A. Bortnyak, A. Kuten, and H. Haick, "Diagnosing lung cancer in exhaled breath using gold nanoparticles", Nat. Nanotechnol., Vol. 4, pp.669-673, 2009. https://doi.org/10.1038/nnano.2009.235
- V. Ruzsanyi and M. P. Kalapos, "Breath acetone as a potential marker in clinical practice", J. Breath. Res., Vol. 11, pp. 024002(1)-024002(18), 2017. https://doi.org/10.1088/1752-7163/aa66d3
- A. Reyes, Roland C. Horsten, H. P. Urbach, and N. Bhattacharya, "Study of the Exhaled Acetone in Type 1 Diabetes Using Quantum Cascade Laser Spectroscopy", Anal. Chem., Vol. 87, pp. 507-512, 2015. https://doi.org/10.1021/ac504235e
- M. Shirasu and K. Touhara, "The scent of disease: volatile organic compounds of the human body related to disease and disorder", J. Biochem., Vol. 150, No. 3, pp. 257-266, 2011. https://doi.org/10.1093/jb/mvr090
- T. L. Mathew, P. Pownraj, S. Abdulla, and B. Pullithadathil, "Technologies for Clinical Diagnosis Using Expired Human Breath Analysis", Diagnostics, Vol. 5, pp. 27-60, 2015. https://doi.org/10.3390/diagnostics5010027
- https://www.who.int/news-room/fact-sheets/detail/diabetes
- Y. Song, Y. Shim, S. Kim, S. Han, H. Moon, M. Noh, K. Lee, H. Lee, J. Kim, B. Ju, and C. Kang, "Downsizing gas sensors based on semiconducting metal oxide: Effects of electrodes on gas sensing properties", Sens. Actuators B, Vol. 248, pp. 949-956, 2017. https://doi.org/10.1016/j.snb.2017.02.035
- Y. Shim, B. Jang, J. Suh, M. Noh, S. Kim, S. Han, Y. Song, D. Kim, C. Kang, H. Jang, and W. Lee, "Nanogap-controlled Pd coating for hydrogen sensitive switches and hydrogen sensors", Sens. Actuators B, Vol. 255, pp.1841-1848, 2018. https://doi.org/10.1016/j.snb.2017.08.198