From imidacloprid technical fact sheet
http://npic.orst.edu/factsheets/imidacloprid.pdf
"Imidacloprid acts on several types of post-synaptic nicotinic acetylcholine receptors in the nervous system.11,12 In insects,
these receptors are located only within the central nervous system. Following binding to the nicotinic receptor, nerve
impulses are spontaneously discharged at first, followed by failure of the neuron to propagate any signal.13,14 Sustained
activation of the receptor results from the inability of acetylcholinesterases to break down the pesticide.12 This binding process is irreversible.5"
Ernei Huber
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