Currently, the cytotoxicity of chrysotile, which is a type of asbestos, as well as Rockwool along with other man-made vitreous fibers (MMVFs) have been evaluated by cell magnetometry. This method established cytoskeleton-dependent functions of macrophages, which contribute to a significant role in phagocytosis, and is used to assess the degree of harm caused on macrophages (Kudo, Kotani, Tomita and Aizawa, 2009).

Biological consequences of MMVFs have to be looked at not only at the cell level but also in the lung. To date there have been no studies done to look at the safety of Rockwool by way of lung magnetometry. In a study done by Kudo, Kotani, Tomita and Aizawa, 2009, rats were forced to inhale Rockwood a nose-only inhalation exposure system, and then looked at by lung magnetometry, a biopersistence test and pathological examination. The well-being features and safe utilization of mineral wools have been looked at for...
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