Richard H Roberts

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Aptamer-ligand binding events, involving small molecule targets, at a surfactant-laden aqueous/liquid crystal (LC) interface were found to trigger a LC reorientation that can be observed in real-time using polarized light. The response was both sensitive and selective: reorientation was observed at target concentrations on the order of the aptamer(More)
Acaricide evaluations were conducted against field populations of Amblyomma americanum (Linnaeus) in North Carolina with VariOllS formulations of bendiocarb, dioxathion, and propetamphoB. These potential acaricides were compared to a chlorpyrifos standard which produced 8 control level of ca. 92% at 0.51 kg AIlha. Probit analysis indicated that effective(More)