OpAns, LLC is a well established contract research organization (CRO) specializing in mass spectrometry, separations chemistry, pediatric clinical trial support and micro-sampling techniques (including use of our patented amasse(TM) dried bio-fluid specimen collection device). Our services are divided into three support areas: research, development and personalized testing. We support government (EPA, NIH, NCATS), chemical industries (pharmaceuticals and agricultural chemicals), hospitals, clinics, and the court system.