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Titanium Dioxide A Crucial Ingredient in Manufacturing
White titanium dioxide pigment factories are not just manufacturing units; they are centers of innovation and economic growth. They provide employment opportunities, boost local economies, and contribute to the global trade. However, they also face challenges like fluctuating raw material prices, environmental regulations, and the need for constant technological advancement.
The lack of clear regulations and controls explains that P25TiO2NPs are still found in many of the commercialized sunscreens in the market. Some of them are coated to reduce the photoactivity of the anatase form, which is known to be responsible for tissue damage, but not enough studies were made on these coated forms. The anatase photoactivity could trigger the production of reactive oxygen species (ROS) generation, as it was stated before. The ROS are chemically reactive species containing oxygen, such as peroxides, superoxide, hydroxyl radical, and singlet oxygen. They are regularly produced in the biological milieu and counterbalanced by physiological antioxidant defense mechanisms. However, an abrupt increase of ROS may result in non-reversible damage to the skin cells. The effects of coated and uncoated P25TiO2NPs need therefore to be studied, and articles on this topic present different conclusions. [11], [12], [13] Recent literature on this topic found that TiO2NPs inhalation provokes serious genotoxicity and DNA damage [14], [15], [16], [17]. On the other hand, some studies in rats have reported no significant harm to genetic material [18], [19], [20], [21], [22].
Furthermore, titanium dioxide is known for its excellent light stability and resistance to fading, making it an ideal choice for archival or long-term storage papers. By incorporating titanium dioxide into the paper formulation, manufacturers can ensure that the paper remains bright and white over time, even when exposed to sunlight or harsh environmental conditions.
