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https://open.uns.ac.rs/handle/123456789/16320
Назив: | Comparison of performances of flexible sensors on foil and paper for efficient bacterial concentration measurement | Аутори: | T. Kojić Milan Radovanović Goran Stojanović B. Pivaš D. Medić H. Al-Salami |
Кључне речи: | Flexible sensor;Kapton film;Paper;Nanoindentation;Bacteria concentration;Resonant frequency | Датум издавања: | 12-феб-2020 | Издавач: | Emerald Publishing Limited | Пројекат: | H2020 MEDLEM | Часопис: | Sensor Review | Сажетак: | Purpose – The purpose of this study was to develop flexible sensors for detection of different concentrations of bacteria, such as Pseudomonas aeruginosa and Staphylococcus aureus, in saline. Design/methodology/approach – The sensors were fabricated using ink-jet printing technology and they consist of a pair of silver interdigitated electrodes printed on mechanically flexible substrates – foil and paper. In house measurement, setup for testing and characterization of sensors has been developed. Structural, electrical and mechanical properties of flexible sensors have been determined and compared. Findings – The characteristics of sensor – the resonant frequency as a function of different concentrations of each bacteria – are presented. The obtained results demonstrate different resonant frequencies for each dilution of Pseudomonas aeruginosa and Staphylococcus aureus in physiological saline. Research limitations/implications – Both sensors showed accurate measurements of bacterial count, which can be achieved with detection of resonant frequency, and this is reflective of the number of bacterial cells within a sample. Practical implications – The findings suggest that the newly developed method based on measuring resonant frequency corresponds well with bacterial cell count, thus establishing a new proof-of-concept that such method can have significant applications in bacterial cell counting that are economic and easily maintained. Social implications – Fast, cost-effective, accurate and non-invasive method for detection of different bacteria from saline. Originality/value – For the first time, comparison between performances of flexible sensors on foil and paper for bacteria detection is demonstrated. Almost linear dependence between shift of resonant frequency of developed sensors and concentration of bacteria has been obtained. | URI: | https://open.uns.ac.rs/handle/123456789/16320 | ISSN: | 0260-2288 | DOI: | 10.1108/SR-04-2018-0082 | Права: | Attribution-NonCommercial-NoDerivs 3.0 United States |
Налази се у колекцијама: | FTN Publikacije/Publications |
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Датотека | Опис | Величина | Формат | |
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SensorsFoilPaper.pdf | 852.82 kB | Adobe PDF | Погледајте |
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