Document Type

Thesis

Degree

Master of Science (MS)

Major/Program

Biomedical Engineering

First Advisor's Name

Eric T. Crumpler

First Advisor's Committee Title

Committee Chair

Second Advisor's Name

Chenzhong Li

Third Advisor's Name

Anthony J. McGoron

Date of Defense

7-18-2008

Abstract

A rapid detection and neutralization method for biowarfare agents would be a great biodefense in war times. With this purpose, liposomes were developed following the lipid film formation, rehydration, and extrusion procedure as the production method. MgOCl2 was encapsulated in the liposomes and it was tested with three different bacterium B. cereus; B. thuringiensis; and B. subtilis. For specificity, the liposomes were modified with a polyclonal antibody against B. cereus and B. subtilis. The liposomes were characterized using a Malvern Zetasizer Instrument, and the study revealed stability of the liposomes stored at 4°C for a period of 15 days. A live/dead assay revealed a significant reduction of bacterium incubated with MgOCl2-liposomes. Smaller reduction percentages, but yet significant, were observed with the MgOCl2-immunoliposomes. A colony growth assay revealed a significant reduction percentage for empty liposomes, MgOCl2-liposomes, and MgOCl2-immunoliposomes incubated with B. thuringiensis.

Identifier

FI14051801

Comments

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