Department of Civil and Environmental Engineering

Electron Microscope Laboratory (College Shared Lab)

Introduction

The Electron Microscope Lab is a College Shared Lab, and consists of two major equipment, namely Transmission Electron Microscope (TEM) and Environmental Scanning Electron Microscope (ESEM). The Lab is located on the first floor of the John A. Peoples Building (JAP), Room 105. The lab provides services to faculty, students and research scholars.

Co-Faculty Manger:  Dr. Paul B. Tchounwou, Associate Dean, CSET

Co-Faculty Manger:  Dr. Farshad Amini, Chair, Department of Civil & Environmental Engineering  CSET

Full Time Microscope Technician: Dr. Rong Zhang

Overview of TEM

Transmission Electron Microscope (TEM) was obtained by Dr. Paul B. Tchounwou through his NIH grant. The TEM model is JEOL-1011 with a resolution of 0.2 nm lattice with magnification of 50 to 1,000,000 under the accelerating voltage of 40 to 100 kV.  The JEM-1011 is a compact high performance TEM with advanced features and functions.  Its high contrast objective lens polepiece combines the highest possible contrast and brightness with optimum resolution.

Overview of ESEM

Environmental Scanning Electron Microscope (ESEM) was obtained by Dr. Farshad Amini through his NSF MRI grant. The SEM model is Quanta 200, which provides the necessary environment to allow any sample data collection in a true “all in one” SEM high-vacuum, SEM low-vacuum, and ESEM system. The system allows moist/wet samples, hot or dirty specimens be examined in their natural states without any special preparation (such as drying or coating) that can mask or damage the structure to be viewed.

Examples of Research Usage of TEM/SEM at JSU

Name of PIs Department Project Title
Dr. Paresh Ray Chemistry Research and Education in Materials (PREM), NSF
Dr. Ashton Hamme Chemistry Titanium dioxide (TiO2) nanoparticles
Dr. Zikri Arslan Chemisry Nano Dots
Dr. Hongtao Yu Chemistry Properties of nanomaterials and their biological effects
Dr. Ruomei Gao Chemistry Nanoparticles
Dr. Danuta Leszczynska Civil Engineering Nano toxicity
Dr. Wilbur Walters Physics Paint research
Dr Lin Li Civil Engineering Bacteria in soil improvement
Dr. Farshad Amini Civil Engineering Sand liquefaction
Dr. Maria Begonia Biology Plant in bioremediation
Dr. Huey-Ming Hwang Biology Cell and nanoparticles toxicity
Dr. Paul Tchounwou Biology Cell
Dr. Hari Cohly Biology Cell
Dr. Quinto Williams Biology Nano tube

 

External Usage of TEM/SEM

The SEM and TEM have been occasionally used by researchers from University of Mississippi.