William C. and Ruth Ann Dewel Microscopy Facility

Welcome to William C. and Ruth Ann Dewel - College of Arts & Sciences (Dewel-CAS) Microscopy Facility at Appalachian State University (ASU). We provide light microscopy, laser scanning confocal microscopy, and electron microscopy equipment and technical support to ASU and Appalachian Communities.

New microscopes are in service 

Zeiss LSM 880

Zeiss LSM 880 with Airyscan and Definite Focus .2 (DBI-1625779)


JSM IT300LV SEM with EDS and EBSD (EAR-1625137)

BIO4564/5564 Microscopy

This is course is designed for students to learn the principles and techniques of biological microscopy. Lectures include discussi...

Biology Research Highlight

The Karatan lab studies biofilm formation by the human intestinal pathogen Vibrio cholerae. Biofilms are communities of bacteria that live mostly...

NSF award DBI-1625779 for a new laser scanning confocal microscope

Photo by Marie FreemanASU News...


Post-lab by Dr. Andrew Heckert: A STEM socializing and networking opportunityWho: STEM and STEM-interested faculty & staffWhat: Post-lab...

Geology Research

Mr. Anthony Love, Geology laboratories manager, uses SEM for his research. His work is centered around materials analysis and characterization with a ...

Graduate Student News

Biology graduate student Mara Cloutier in Dr. Suzanna Brauer's lab studies manganese-oxidizing bacteria and fungi using molecular techniques and SEM-E...