
Biological marker or commonly known as a biomarker is a characteristic which is found in tissues, bodily fluids or body. A biomarker is a biological characteristic that can be measured as an indicator of normal, abnormal pathological process or a response to therapeutic intervention. The quantitative measurement of the biomarkers is done by Biomarker Detection Devices. Biomarker helps in prediction, cause, diagnosis, regression, progression, and outcome of the disease. Biomarkers can be specific cells, gene, gene products, hormones, enzymes, proteins and particular characteristics change the biological structure. Biomarker detection used in broad therapeutic areas such as neurological disease, metabolic disorders, and Immune deregulation predominantly the field of Oncology.