Int. J. Pharm. Investigation, 2021;11(2):131-136 International Journal of Pharmaceutical Investigation, Vol 11, Issue 2, Apr-Jun, 2021 131 Review Article Recent Trends on Biosensors in Healthcare and Pharmaceuticals: An Overview Satish Arunrao Polshettiwar*, Chinmay Devidas Deshmukh, Akshay Motilal Baheti, Manish Shivdas Wani, Ekta Bompilwar, Devashree Jambhekar, Shradha Choudhari, Amol Tagalpallewar School of Pharmacy, Dr. Vishwanth Karad MIT World Peace University, Kothrud, Pune, Maharashtra, INDIA. ABSTRACT A biosensor provides a strategy for the detection of microbiological signals through various chemical, biological and physical technology and is an analytical, high-sensitivity rapid tool in pharmaceutical and health care applications. For the detection of biomolecules and micro-organisms, they use biological sensing elements. The use of these devices is becoming increasingly important in the felds of drug discovery, food protection, defence, pharmaceuticals and safety. With the advance of biological techniques and instrumentation involving fuorescent tags, sensitive limits for biosensors are increased. Peptide array, nucleotides, molecules printed polymers, or aptamers have also been developed to create innovative biosensors. More precise and adaptive bio-sensors with high regenerative potential have been developed by other approaches. Nanomaterial, polymers, aptamers are produced with a wide variety of biosensors. It is vital to design biosensors using different approaches to further explore their useful applications. In light of this, this analysis will give an overview of several biomedical and environmental sensors, including fuorescence labelling, Nanomaterials, electrochemical, silicon and quartz, as well as possible prospects for biosensor technology. In addition, this analysis is designed for the analysis. The work of biosensors, concepts, shapes and applications is discussed as further useful information in this study. Key words: Biosensors, Bioelectronics, Fluorescence-tag, Polymer, Nanomaterials, Silicon, Quartzr. Correspondence Dr. Satish A Polshettiwar School of Pharmacy, Dr.Vishwanth Karad MIT World Peace University, Pune- 411038, Maharashtra, INDIA. Email: drsatishpolshettiwar@gmail.com DOI: 10.5530/ijpi.2021.2.25 This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms. INTRODUCTION Clark and Lyons’ study on enzyme electrodes in 1962 threw light on the use of biosensor technology. 1 Te entire health care system has permeated by the use of biosensor technology. Various health care diagnostic tests to diagnose infectious diseases started the use of biosensors including diabetes and pregnancy detection kits. One study conducted by Frost and Sullivan in 2017 estimated that global sensor market for health care cost at nearly 17 billion US dollars and contribute to generate more than 68 % of market revenue. Likewise, gas sensors generate 5.5 percent of revenue. 2 Currently, biosensors are used in various sectors, from health, diagnostics, cars, households, safety, food and dairy industries for quality control. Te aim of this article is to emphasise the use of biosensors in space as a biological response is transformed into an electrical signal. Characteristically, biosensors must be precise, self-governing to handle physical parameters like temperature and pH, and recyclable. Cammann discovered the term “biosensor.” Te word biosensor ‘indicates the combination of two parts, frstly, bio-element and sensor element. A particular bio element (roughly an enzyme) identifes a defnite analyte in addition to this sensor component which transduces biomolecule alteration into an electrical signal. Te bio factor is very specifc to the analyte it is susceptible to. Figure 1 It does not diferentiate between additional analytes. Bio sensors are important tools to improve the understanding of disease and the interactions between molecules and objectives in a label-free world to produce positive pharmacological efects. 3,4 BIOSENSORS Biosensor plays an important role in several discoveries of drugs; however, they are of peak signifcance in the feld of next screening as well as in the development of biopharmaceutical product monitoring. Although biosensors are used in the late areas of drug research, this doesn’t mean that in the initial research they are less important and useful. Chemical canaries are renowned biocomputers, biochips, immunosensors, optrodes, glucometers, organic computers, resonant mirrors, etc. A biosensor is a chemical sensor that combines a biomodifed recognition movement with a transducer to enable a few complex biochemical factors to be quantitatively improved. A biosensor is also an analysis device that combines an intimate and intensive combination with a physical feature of a certain organic component (which is causing an incident of recognition) (that transduces recognition incident). In 1962, enzyme electrodes were established by Leland C. Clark, scientist, and the age of biosensors began. Scientists in various physics, chemistry and material science research groups were approaching improvements in more complex, well-developed and reliable organic sensing instruments for medical, agriculture, bioterrorism identifcation, biotechnology prevention and military applications. 5-7 Working of biosensors Principle Te principle behind the biosensors involves, frstly, the immobilization of preferred biological substantial (commonly a particular enzyme) through traditional approaches like non-covalent or covalent bonding, physical or membrane entrapment. Te transducer is closely linked with this immobilized biological. Te analyte produces an electronic signal which is measured with a biosensor. In few cases, the analyte is transformed into a product that may be linked with the discharge of heat, gas (like oxygen), hydrogen ions, or electrons. Te transducer can