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)

Microscopy Update

BIO 4564/5564 Microscopy is online now via AsULearn and Zoom. I am available for your microscopy need also virtually via phone, email, and Zoom. Stay ...

App State extends Spring Break

Appalachian State University is extending Spring Break until 8am on March 23. On March 23, App State will transition from in-person instruction to alt...


This year's inaugural Postlab will be held Thursday, 21 November from 4:45-6:30 PM in the McKinney Geology Teaching Museum (Rankin Science South 108; ...

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...