2012
DOI: 10.2478/v10188-012-0017-z
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Biosensors - classification, characterization and new trends

Abstract: Biosensors - classification, characterization and new trendsBiosensors represent promising analytical tools applicable in areas such as clinical diagnosis, food industry, environment monitoring and in other fields, where rapid and reliable analyses are needed. Some biosensors were successfully implemented in the commercial sphere, but majority needs to be improved in order to overcome some imperfections. This review covers the basic types, principles, constructions and use of biosensors as well as new trends u… Show more

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Cited by 205 publications
(110 citation statements)
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“…These biosensors are operated by field-effect modulation of carriers in a semiconductor due to nearby charged (Dzyadevych. et al, 2006, Rastislav et al, 2012.…”
Section: Electronic Biosensorsmentioning
confidence: 98%
“…These biosensors are operated by field-effect modulation of carriers in a semiconductor due to nearby charged (Dzyadevych. et al, 2006, Rastislav et al, 2012.…”
Section: Electronic Biosensorsmentioning
confidence: 98%
“…These sensors allow people to be aware of their health status at all times, and are used by healthcare professionals in the early diagnosis and prevention of disease [39,40]. Examples include body temperature sensors, heart-rate-monitoring sensors, electrocardiogram (ECG), electroencephalography (EEG), electromyography (EMG) sensors, blood pressure sensors, and glucose level sensors.…”
Section: Biosensorsmentioning
confidence: 99%
“…The bioreceptor will be responsible for the selectivity/specificity of the sensor response to a given target or group of targets of interest, thus minimizing the interference from other substances in complex mixtures (Viswanathan and Radecki, 2008). On the other hand, the transducer determines the sensitivity of the biosensor and is responsible for converting the biological signal into a measurable signal (Monošík et al, 2012;Sassolas et al, 2009). The selectivity and sensitivity of the bioreceptor and transducer make the biosensors an attractive analytical tool in several areas and applicable to a large variety of samples including body fluids, food, cell cultures and environmental samples Grieshaber et al, 2008;Sassolas et al, 2009).…”
Section: Aptamer-based Biosensors: Aptasensorsmentioning
confidence: 99%
“…Electrochemical aptasensors use an electrode surface to immobilize the aptamer and hold an electrochemical transducer to monitor the aptamer-target interaction, by detecting current or potential changes that occur at the transducer/bioreceptor interface/surface (Hong et al, 2012;Monošík et al, 2012;Sadik et al, 2009;Thévenot et al, 1999Thévenot et al, , 2001. The electrochemical transduction presents considerable advantages over optical, piezoelectric or thermal detection (Deng et al, 2013a;Radi, 2011), such as high sensitivity and selectivity, the ability to work with turbid samples, compatibility with novel microfabrication technologies, inherent miniaturization, disposability and accuracy, simplicity, robustness, possibility of usage for on-line control, fast response, and relatively low manufacturing cost; thus making electrochemical aptasensors extremely attractive for diagnostic and use in point-ofcare devices, in addition to simultaneous multi-analyte detection (Arshak et al, 2009;Radi, 2011;Saberian et al, 2011;Song et al, 2008;Velasco-Garcia and Missailidis, 2009;Velusamy et al, 2010;Xu et al, 2009).…”
Section: Electrochemical Aptasensorsmentioning
confidence: 99%