NIEHS researchers utilize many protocols to conduct scientific analysis. Protocols of interest to scientists are available below. Laser Microdissection Laser Microdissection provides information to NIEHS researchers interested in the process of microdissection. Immunohistochemistry Protocols The Immunohistochemistry staff has established optimized protocols for immunohistochemistry, immunocytochemistry, and immunofluorescence staining. Extraction of High Quality RNA Studies requiring gene expression analysis by microarray methods require the extraction of high quality RNA. Find Additional Scientific Resources You found this resource. NIEHS has several other great resources to help scientists with their research. This content is available to use on your website. Please visit NIEHS Syndication to get started.