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.

2014 Representative Images/Photos

News & Announcements

Geology Research Highlight

Hugh Harper and Dr. Ellen Cowan (Geology Department) are imaging the surface texture of quartz sand grains with SEM and EDS to determine the glacial history of iceberg rafted grains recovered during IODP drilling from the Gulf of Alaska. The outline of each grain is also used to calculate grain roughness using Fourier analysis.

Journal Cover Image

Dr. Ted Zerucha studies embryonic development. Their DIC image of the zebrafish features the cover story of a recent issue of Eastern Biologist.

BIO4564/5564 Microscopy

This course is designed for students to learn the principles and techniques of biological microscopy. Lectures include discussions on preparative techniques for various types of bioimaging, the optical theories behind the imaging technologies, Laboratories examine practical techniques of cell/tissue preparation for various kinds of microscopy, the effective use...

The College of Arts & Sciences


112 Rankin Science South
572 Rivers Street
Boone, NC 28608-2027

Dr. Guichuan Hou

QEP Global Learning