Biofluids represent an ideal source of material for biomarker development projects. Extracellular DNA, RNA, and some proteins are stably maintained in cell-free biofluid samples, even when sample processing is not optimal. In addition, biofluids derived from the respiration, digestion, or excretion are able to be collected routinely with minimal disruption to the patient’s health and daily schedule.  |   https://www.histobiolab.com/biofluids.html