This paper demonstrates, for the first time, a biocompatible RFID tag fabricated on an Ormocer substrate, and encapsulated in it. Ormocomp belongs to a group of hybrid organic-inorganic photostructurable materials called Ormocers. It is biocompatible, chemically inert, and electrically insulating-ideal for body-implantable applications. In this study we developed an Ormocomp-based printed circuit board (PCB) and packaging method, and implemented a biocompatible RFID tag. Index Terms-Implantable RFID tag, Ormocer, biocompatible, printed circuit board, packaging I.

Recent advances in electrochemical devices have sparked exciting opportunities in the healthcare, environment, and food industries. These devices can be fabricated at low costs and are capable of multiplex monitoring. This overcomes challenges presnted in traditional sensors for biomolecules and provides us a unique gateway toward comprehensive analyses. The advantages of electrochemical sensors are derived from their direct integration with electronics and their high selectivity along with sensitivity to sense a wide range of ionic analytes at an economical cost. This review paper aims to summarize recent innovations of a wide variety of electrochemical sensors for ionic analytes for health care and industrial applications. Many of these ionic analytes are important biomarkers to target for new diagnostic tools for medicine, food quality monitoring, and pollution detection. In this paper, we will examine various fabrication techniques, sensing mechanisms, and will also discuss various future opportunities in this research direction.

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