Biosensors for Point-of-Care Diagnostics

Dear colleagues,

Diagnostics plays an essential role in the healthcare realm. The reliability and accuracy of diagnostics has a great impact on clinical decision-making, treatment, and patient survival rate. Infectious diseases such as immunodeficiency syndrome (AIDS), tuberculosis (TB), and the current COVID-19 pandemic, and different types of cancer cause a huge burden to the economy, especially in developing countries due to the low survival rate and the cause of disability. Additionally, the lack of laboratories and modern equipment makes it difficult for patients in rural areas to be treated fast and wisely. The current diagnostic technologies, such as polymerase chain reaction (PCR), enzyme-linked immunosorbent assay (ELISA), etc., require trained personnel and expensive instruments, which are not suitable for point-of-care (POC) diagnostics, especially in resource-limited settings. POC diagnostic technologies (such as paper lateral flow assay, disposbaible biosensors, µPADs, wearable biosensors, etc.) provide rapid testing at or near patients and are attractive in healthcare delivery due to their fast, user-friendly, and cost-efficient characteristics. The global market of POC diagnostics was valued at USD23.71 Billion in 2017 and is estimated to increase to USD38.13 Billion by 2022, with a compound annual growth rate (CAGR) of 10% during the forecast period.

Prof. Dr. Guozhen Liu
Collection Editor

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