Improvement of life quality is the major important objectives of the global research work. The quality of life is related to a better control of diseases, the quality of our environment and drug and food quality and safety. A continuous, fast, reliable and sensitive monitoring is required to control key parameters and biosensors are very much important for that purpose. Biosensors are composed of two main parts such as a biological recognizing component (enzyme, antibody, cell and tissue) which is connected to a physical transducer (spectro¬photometric, conductometric, voltammetric and amperometric). Various biological systems that can be used as recognizing agents allow specific biosensors for many analytes. Biosensors mainly used due to high sensitivity, specificity, ease of use, fast, cost-effective and repetitive measurements with miniaturized and portable devices for the quality analysis of drugs, medicines and other analytes of interest in the pharmaceutical, biomedical and environmental field. Biosensors allow quantification of the active component in pharmaceutical formulations and also the degradation products and metabolites analysis in biological fluids. Thus, this work presents a brief review of biosensor application in pharmaceutical analysis.
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