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QX3 Digital Image Gallery
Polarized Light

Aldicarb

This very toxic pesticide is the sulfone metabolite of the carbamate aldicarb. Application of the chemical is conducted by drilling into the soil, a process known as "Spiking", at planting or during various stages of plant growth. The carbamate is then solubilized by ground water and is absorbed by the roots and translocated throughout the plant, killing both insects that pierce and suck foliage as well as nematodes in and around the roots.

Aldicarb at 200x Magnification

Aldicarb at 200x Magnification

Aldicarb at 200x Magnification

Polarized light images were captured using an Intel Play QX3 computer microscope modified for crossed polarized illumination. Additional light was applied to the specimens using light pipes from a Dolan-Jenner Model 180 fiber optics illuminator containing a 150 watt projection lamp. A 5/16-inch hole was drilled into the light mixing chamber at the base of the microscope and the light pipe was pointed towards the far wall of the chamber to increase illumination.

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