Research Scientist Projects

A hybrid of culture-dependent and multiplex PCR assay for Detection of Salmonella enterica in dairy and meat Products in local and International Groceries in Columbus, Ohio, USA

Achenef Beyene (Research Scientist)

Advisor:
Ahmed Yousef (Department of Food Science and Technology)

Salmonellosis is a foodborne illness, caused by the rigorous pathogen, Salmonella enterica. Detection and identification of the potential sources are very crucial for designing of appropriate approaches for control and prevention of the pathogens. This study aimed to detect Salmonella enterica...
The natural antimicrobial carvacrol and thymol disrupt desiccation resistance in Salmonella enterica serovar Tennessee: Advancing safety of low-moisture foods

Ahmed Abdelhamid (Post Doctoral)

Advisor:
Ahmed Yousef (Department of Food Science and Technology)

Introduction: Salmonella enterica can survive effectively in low-moisture (LM) foods. Consequently, large multi-state salmonellosis outbreaks have been attributed to consumption of foods such as peanut butter, almonds and others. S. enterica employs desiccation resistance mechanisms to survive...
Utilization of acid whey as a fermentation aid to developing an enriched feed ingredient

Alba Mayta Apaza (PhD)

Advisor:
Rafael Jimenez-Flores (Department of Food Science and Technology)

Acidified dairy products generate large amounts of waste called acid whey (Aw). Similarly, the fishery industry wastes 45% of the whole fish by the end of its production chain. To valorize these by-products, this study hypothesized that fermentation of Aw and fish waste (Fw) would break down...
Does the creation of pocket prairies improve the conservation value of urban vacant land for ant communities?

Alex Tyrpak (MS)

Advisor:
Mary Gardiner (Department of Entomology)

Shrinking cities such as Cleveland, OH, have experienced population loss, resulting in an overabundance of infrastructure that is demolished, creating vacant land. Vacant land is viewed as a blight but these greenspaces may have the potential to promote biodiversity and ecosystem services....
Quantifying Food Texture Selectivity of Children Through Conjoint Analysis

Amy Andes (PhD)

Advisor:
Christopher T. Simons (Department of Food Science and Technology)

Selective (picky) eating at an early age is very common. Food refusal due to certain sensory characteristics of a food, namely texture, can lead to inadequate intake of nutrients and a limited list of acceptable foods. This research set out to quantitatively measure selective eating in regard to...
Optimizing RNA interference in fall armyworm Spodoptera frugiperda using improved nanoparticles

Ana Trabanino Pino (MS)

Advisor:
Andrew Michel (Department of Entomology)

Fall armyworm (FAW), Spodoptera frugiperda, is one of the most important pests in agriculture due to its ability to feed and damage several important agronomic crops. Nonetheless, FAW has developed resistance to several insecticides including transgenic traits, leading to significant yield loss...
Energy Infrastructure, Hydrocarbon Exports, and Community Risk

Anne Junod (PhD)

Advisor:
Jeffrey Jacquet (School of Environment and Natural Resources)

The ongoing North American shale boom exerts unprecedented pressure on U.S. energy transportation and export infrastructure, with oil train shipments increasing by over 4,000% in the last decade. Corresponding to this growth, the number and severity of catastrophic oil train accidents has...
Techno-economic and life cycle analyses of biobased lactic acid production

Ashish Manandhar (Post Doctoral)

Advisor:
Ajay Shah (Department of Food, Agricultural and Biological Engineering)

Lactic acid (LA) is one of the few biobased chemicals that can be used for different applications and is expected to grow to a $10 billion industry by 2025. Currently, commercial facility producing LA using first-generation feedstock (corn grain) and non-existent for second-generation feedstocks...
Techno-economic analysis of biobased novolac resin production

Asmita Khanal (PhD)

Advisor:
Ajay Shah (Department of Food, Agricultural and Biological Engineering)

Novolac resins are produced by reacting phenol and formaldehyde, which are both conventionally obtained from petroleum refining. However, phenolic compounds present in biooil obtained via fast pyrolysis of lignocellulosic biomass can be used to partially substitute petroleum-derived phenol. Thus...
Whole genome sequencing of grapevine, Vitis labrusca, reveals a majorexpansion of the NLR resistance gene family

Bo Li (Post Doctoral)

Advisor:
Andrea R. Gschwend (Department of Food Science and Technology)

Efficiently utilizing the wild genetic diversity is the key to sustainable crop improvement and achieving high quality cultivars. Cultivated grape (Vitis vinifera) is one of the most economically important fruit crops, which is wildly used to produce wine, juice, raisins, and fresh fruit. Vitis...

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