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)

Paraffin sample preparation training

Next paraffin sample preparation training is scheduled for 11am Thursday Sept. 26 in the microscopy facility (112 Rankin South). I'll briefly cover sa...

BIO4564 Microscopy: A Lab Project Highlight

Tissue-specific expression of GFP (mCD8::GFP) within the class IV multidendritic neurons of Drosophila melanogaster. The image is acquired by Ale...

Biology Research

Algae are being grown for wastewater purification and biofuels production. Their growth on a substrate facilitates these uses by allowing facile separ...

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...