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Protecting Crops From Abiotic Stress: Copper Oxide Nanoparticle Effects On Wheat And A Beneficial Rhizobacterium, Matthew Potter
Protecting Crops From Abiotic Stress: Copper Oxide Nanoparticle Effects On Wheat And A Beneficial Rhizobacterium, Matthew Potter
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Nanoparticles (NPs) are defined as particles less than 100 nm in at least one dimension. CuO NPs have possible applications in agriculture as micronutrient sources, pesticides, and enhancers of crop stress tolerance. Here, three aspects of CuO NP agricultural applications are studied: 1) the potential of CuO NPs to prevent wheat lodging-when crops irreversibly fall over; 2) CuO NP-induced drought tolerance in wheat seedlings; and 3) the effects of CuO NPs on outer membrane vesicle (OMV) production by Pseudomonas chlororaphis O6 (PcO6), a plant-health promoting bacterium.
Wheat grown 7 d exposed to CuO NPs in the growth matrix …
The Use Of Microfluidics And Dielectrophoresis For Separation, Concentration, And Identification Of Bacteria, Cynthia Hanson
The Use Of Microfluidics And Dielectrophoresis For Separation, Concentration, And Identification Of Bacteria, Cynthia Hanson
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Typical bacterial analysis involves culturing and visualizing colonies on an array of agar plates. The growth patterns and colors among the array are used to identify the bacteria. For fast growing bacteria such as Escherichia coli, analysis will take one to two days. However, slow growing bacteria such as mycobacteria can take weeks to identify. In addition, there are some species of bacteria that are viable but nonculturable. This lengthy analysis time is unacceptable for life-threatening infections and emergency situations. It is clear that to decrease the analysis of the bacteria, the culturing and growth steps must be avoided. …