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The marginal band is a bundle of microtubules residing at the periphery of nucleated erythrocytes of nonmammalian vertebrates and some invertebrates. Marginal bands from erythrocytes of the newt (Notopthalmus viridescens) were isolated from the cells as intact structures by treatment with detergent and either mild protease or high salt. Isolated bands were(More)
The elastic properties of marginal band, a microtubular structure isolated from the newt (notophthalmus viridescens) have been measured. Bands were isolated using Triton X-100 and pepsin at pH 6.8 according to the method of Cohen (1978). Isolated bands were manipulated with a glass microhook in a buffer-filled chamber under the microscope. Single bands were(More)
After years of watching company health and safety programs fail to prevent major incidents, injuries, illness, and death in industrial workplaces, union health and safety staff and rank and file activists took up the challenge of creating a union-run alternative program. Named the Triangle of Prevention (TOP), the program successfully engages both local(More)
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