Identification of a Large Pool of Microorganisms with an Array of Porphyrin Based Gas Sensors

被引：13

作者：

Zetola, Nicola M. ^{[1
,2
,3
]}

Modongo, Chawangwa ^{[3
]}

Matlhagela, Keikantse ^{[2
]}

Sepako, Enoch ^{[2
]}

Matsiri, Ogopotse ^{[3
]}

Tamuhla, Tsaone ^{[3
]}

Mbongwe, Bontle ^{[4
]}

Martinelli, Eugenio ^{[5
]}

Sirugo, Giorgio ^{[6
]}

Paolesse, Roberto ^{[7
]}

Di Natale, Corrado ^{[5
]}

机构：

[1] Univ Penn, Dept Radiat Oncol, 3400 Civ Ctr Blvd, Philadelphia, PA 19104 USA

[2] Univ Botswana, Fac Med, Gaborone 0022, Botswana

[3] Botswana Univ Pennsylvania Partnership, POB AC 157 ACH, Gaborone 0022, Botswana

[4] Univ Botswana, Dept Environm Sci, Gaborone 0022, Botswana

[5] Univ Roma Tor Vergata, Dept Elect Engn, Via Politecn 1, I-00133 Rome, Italy

[6] Osped San Pietro Fatebenefratelli, Ctr Ric, Via Cassia 600, I-00189 Rome, Italy

[7] Univ Roma Tor Vergata, Dept Chem Sci & Technol, Via Ric Sci, I-00133 Rome, Italy

来源：

SENSORS | 2016年 / 16卷 / 04期

关键词：

microorganisms; volatile compounds; porphyrins; quartz microbalance; VOLATILE ORGANIC-COMPOUNDS; ELECTRONIC-NOSE; PSEUDOMONAS-AERUGINOSA; RAPID IDENTIFICATION; MASS-SPECTROMETRY; BACTERIA; LUNG; METALLOPORPHYRINS; DISEASE; CULTURE;

D O I：

10.3390/s16040466

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The 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.

引用

页数：14

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