Food Safety
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Graduate Students


Ph.D. Students               M.S. Students

 

Ph.D. Graduate Research Assistants

 

Manuel V. Alvarado Jr.

manuel.alvarado@ttu.edu

(806) 742-2805 ext. 283

Degrees Earned:

Bachelor of Science, Agricultural Development
Texas A&M University, 1999

Bachelor of Science, Agricultural Science (Agriculture Education) (Cum Laude)
Texas A&M University, 2000

Master of Agriculture, Agriculture Education
Texas Tech University, 2007

Research Area:

Dissertation topic: Effect of storage temperature abuse, storage time, and packaging type on the growth of Escherichia coli O157:H7 and Salmonella spp. in ground hamburger patties

Click here to download CV

Claudia Alejandra Narvaez Bravo

claudia.a.bravo@ttu.edu

Degrees Earned:

Master of Science, Microbiology
Zulia University (Maracaibo, Venezuela)

Doctor of Veterinary Medicine
Zulia University (Maracaibo, Venezuela)

Research Area:

Pre harvest interventions in feed yard for Salmonella and E. coli O157:H7 reduction

Click here to download CV

W. Evan Chaney

evan.chaney@ttu.edu

(806) 742-2815

Degrees Earned:

Associate of Science in Biology
Midland College

Bachelor of Science, Microbiology
Minor in Chemistry
Texas Tech University

Master of Science, Food Science
Texas Tech University
Thesis: "Influence of Modified Atmosphere Packaging (MAP) on Escherichia coli O157:H7 Growth, Survival, Shiga Toxin Production and Biofilm Production"

Research Areas:

Food-borne pathogen response to environmental stresses and conditions in the food processing industry, and in smaller applications such as individual products and their packaging

In-plant food safety investigations to discover sources of and implement control of food-borne pathogens

Virulence expression in response to environmental factors

Pro-biotic intervention methodologies and the development of new intervention applications

Strong interest in food defense studies

Click here to download CV

Andrea Dow

andrea.e.dow@ttu.edu

(806) 742-2805 ext. 227

Degrees Earned:

Bachelor of Science, Animal Science
Texas Tech University

Master of Science, Food Science
Texas Tech University
Thesis: "The Control of Listeria monocytogenes on contact and noncontact surfaces by electrostatically spraying quaternary ammonium"

Research Area:

Dissertation topic:
Improving overall sanitation and quality of hot and cold self-serve bars by developing training programs for grocery store managers

Click here to download CV

 

Sara Gragg

sara.morrissey@ttu.edu

(806) 742-5073 ext. 274

Degrees Earned:

Bachelor of Science, Food Science & Technology
University of Nebraska-Lincoln, 2006

Master of Science, Food Science
Texas Tech University, 2008
Thesis: "The Use of Lactic Acid Bacteria as a Post-Harvest Intervention to Control Escherichia coli O157:H7 in Fresh Spinach"

Angela Laury

Pathogen Lab Manager

a.laury@ttu.edu

(806) 742-5073 ext. 274

Degrees Earned:

Bachelor of Science, Animal Science
Iowa State University

Master of Science, Meat Science (Processed Meat and Meat Safety Emphasis)
Iowa State University
Thesis: "Evaluation of modified atmosphere packaging with carbon monoxide and carbon dioxide for fresh ground pork, fresh pre-rigor pork sausage and fresh post-rigor pork sausage"

Research Areas:

Dissertation topic:
Establishment of a pre-harvest spinach intervention step against Escherichia coli O157:H7 using Lactic Acid Bacteria.

Other research areas include meat, poultry safety, and food sanitation

Samwel Ogik Rao

samwel.rao@ttu.edu

(806) 742-2805 ext. 228

Degrees Earned:

Bachelor of Science, Agriculture Education and Extension
Egerton University (Njoro, Kenya)

Master of Public Health, Health Promotion and International Health
Maseno University (Kenya)
Thesis: "Gender Disparity in Utilization of Voluntary Counseling and Testing (VCT) in Kisumu District, Kenya"

Master of Science, Animal Science
Texas Tech University
Thesis: "Effects of dietary supplementation of Lactobacillus based probiotics on growth and gut environment of nursery pigs"

Research Areas:

Dissertation topic:
Role of Lactobacillus Species (Strain NP 51) in Alleviating Pathological Effects of Escherichia coli (EHEC 0157) and Immune System Stimulation Using Feed Depraved Murine Citrobacter rodentium Model for Human Disease in Underprivileged Nations

Health promotion and application of nutritional researches using animal models to human life and improvement of quality of life

Click here to download CV

 

M.S. Graduate Research Assistants

 

Alison Brown

alison.brown@ttu.edu

(806) 742-5073 ext. 273

Degree Earned:

Bachelor of Science, Applied Animal Science
University of Delaware, 2006

Research Areas:

Thesis topic: The effect of modified atmosphere packaging (MAP) and a hurdle intervention on spinach inoculated with Escherichia coli O157:H7 and Clostridum sporogenes

Food safety

Post harvest spinach interventions and packaging

Yen Te Liao

yen-te.liao@ttu.edu

Degree Earned:

Bachelor of Science, Food Science
National Chung Hsing University (Taichung, Taiwan), 2005

Research Areas:

Efficacy of handwashing practices before and after the education intervention

Using herb extracts, such as essential oils, to reduce pathogens on spinach and ground beef

Click here to download CV   

Ansen Pond

ansen.pond@ttu.edu

(806) 742-5073 ext. 273

Degree Earned:

Bachelor of Science, Animal Science
Texas A&M University

Research Area:

Establishing baselines for Salmonella and generic E. coli in raw pork and beef at retail outlets in Mexico

Praveena Sunkara

praveena.sunkara@ttu.edu

Degree Earned:

Bachelor of Technology, Biotechnology
Andhra University, Gandhi Institute of Technology and Management (Visakhapatnam, India)

Research Areas:

Thesis topic:
DNA Fingerprinting (AFLP) for the Generic Escherichia coli, Salmonella enterica, Enterococcus Gallinarum, Enterococcus hirae Isolates Associated with Cattle

Food safety and biotechnology

Sundeep Yanamala

sundeep.yanamala@ttu.edu

(806) 742-5073 ext. 273

Degree Earned:

Bachelor of Technology, Biotechnology
Andhra University, Gandhi Institute of Technology and Management (Visakhapatnam, India), 2006

Research Areas:

Thesis topic: Contamination of spinach grown in the vicinity of cattle feed yard operations
Pre-harvest food safety

Stategies of reduction of E. coli O157:H7 and Salmonella shedding in cattle, and in fresh meat and ready-to-eat (RTE) products

Click here to download CV