Welcome to National Diagnostics

National Diagnostics is a principal worldwide source for the highest quality electrophoresis, liquid scintillation, histology and electro-optical processing reagents. For over 30 years, National Diagnostics brands such as SequaGel, ProtoGel, Ecoscint and Histo-Clear have built our reputation for quality, consistency and service in these highly competitive fields. When our exceptional quality is partnered with your research, discovery is at your fingertips.