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Bioelectromagnetics in Healthcare: Advanced sensing and communication applications is a collection of twelve invited chapters from international experts from the UK, Japan, Switzerland, and the United States of America. The book forms a cohesive architecture that covers the state-of-the-art in terms of sensing and communications with relevance to bioelectromagnetics in healthcare. The book provides a valuable insight into the current and future possibilities where electromagnetics engineers will need to keep improving radiofrequency device performance in terms of better efficiency, greater sensitivity, reduced unintended power absorption by the body, smaller size, and lower power consumption.

Nanomaterials are able to penetrate nanoscale pores of tissues, possess prolonged circulation, enter cells, and have increased surface area per volume allowing for greater drug loading. For these reasons, nanomaterials are finding numerous uses in medicine including fighting cancer, promoting tissue regeneration, reversing aging, inhibiting infection, limiting inflammation or scar tissue growth, and many others.

The healthcare arena has seen a shift in recent years, with more healthcare provisions being delivered or managed via electronic means. Healthcare providers can now provide patients with diagnosis, treatment, monitoring, or a prescription without ever sharing the same physical space. With so much more patient data now stored and accessed electronically, the security of this information is ever more critical to the delivery of effective and efficient healthcare services. As blockchains are resistant to modification of their data, blockchain technology therefore provides traceable and reliable security to e-Healthcare systems and services.

By analysing the composition of the volatile organic compounds (VOCs) in exhaled breath, medical professionals can gain insight to metabolic processes, which can reflect various physiological or pathological processes and potential health considerations such as the presence of certain diseases or other conditions. Breathomics is a useful non-invasive technique whose applications are being explored in assessing respiratory diseases, cancer detection, and monitoring the effects of environmental exposures.