Identification of a Large Pool of Microorganisms with an Array of Porphyrin Based Gas Sensors
AbstractThe association between volatile compounds (VCs) and microorganisms, as demonstrated by several studies, may offer the ground for a rapid identification of pathogens. To this regard, chemical sensors are a key enabling technology for the exploitation of this opportunity. In this study, we investigated the performance of an array of porphyrin-coated quartz microbalance gas sensors in the identification of a panel of 12 bacteria and fungi. The porphyrins were metal complexes and the free base of a functionalized tetraphenylporphyrin. Our results show that the sensor array distinguishes the VC patterns produced by microorganisms in vitro. Besides being individually identified, bacteria are also sorted into Gram-positive and Gram-negative. View Full-Text
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Zetola, N.M.; Modongo, C.; Matlhagela, K.; Sepako, E.; Matsiri, O.; Tamuhla, T.; Mbongwe, B.; Martinelli, E.; Sirugo, G.; Paolesse, R.; Di Natale, C. Identification of a Large Pool of Microorganisms with an Array of Porphyrin Based Gas Sensors. Sensors 2016, 16, 466.
Zetola NM, Modongo C, Matlhagela K, Sepako E, Matsiri O, Tamuhla T, Mbongwe B, Martinelli E, Sirugo G, Paolesse R, Di Natale C. Identification of a Large Pool of Microorganisms with an Array of Porphyrin Based Gas Sensors. Sensors. 2016; 16(4):466.Chicago/Turabian Style
Zetola, Nicola M.; Modongo, Chawangwa; Matlhagela, Keikantse; Sepako, Enoch; Matsiri, Ogopotse; Tamuhla, Tsaone; Mbongwe, Bontle; Martinelli, Eugenio; Sirugo, Giorgio; Paolesse, Roberto; Di Natale, Corrado. 2016. "Identification of a Large Pool of Microorganisms with an Array of Porphyrin Based Gas Sensors." Sensors 16, no. 4: 466.
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