There are many remaining challenges impeding future progress in field of Clinical Diagnostics. This book presents a technical assessment and vision of clinical leaders, scoping the clinical and other diagnostic needs and the bottle-necks in their cognate fields. Issues of real environmental biological measurements from the perspective of the end-user are presented and thus the book serves to inform the direction of the fundamental scientific efforts. Both editors are experienced practitioners within the biosensor technology and are involved first-hand with the healthcare and clinical applications of detection science.