Advances in Clinical Chemistry, Volume 99, the latest installment in this internationally acclaimed series, contains chapters authored by world-renowned clinical laboratory scientists, physicians and research scientists. The serial discusses the latest and most up-to-date technologies related to the field of clinical chemistry, with this release including chapters on Extracellular vesicle associated proteins as potential biomarkers, Molecular and non-molecular approaches to etiologic diagnosis of gastroenteritis, Circular RNAs and cancer: Opportunities and challenges, Mass spectrometry-based metabolomics for an in-depth questioning of human health, Application of microfluidic technology in cancer research and therapy, Advances in aptasensor technology, and much more.