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  2. Nanotechnology in cosmetics - Wikipedia

    en.wikipedia.org/wiki/Nanotechnology_in_cosmetics

    Over the course of the treatment, gold nanoparticle can make the skin appear smoother and even in color. [22] A study in 2010 titled, "Novel Vitamin and Gold-Loaded Nanofiber Facial Mask for Topical Delivery" investigated how gold nanoparticle can be incorporated to facial mask along with Vitamin C (L-ascorbic acid), retinoic acid , and ...

  3. Titanium dioxide nanoparticle - Wikipedia

    en.wikipedia.org/wiki/Titanium_dioxide_nanoparticle

    It is in rutile crystal structure and coated with silica or/and alumina to prevent photocatalytic phenomena. The health risks of ultrafine TiO 2 from dermal exposure on intact skin are considered extremely low, [1] and it is considered safer than other substances used for ultraviolet protection. However titanium dioxide is a known carcinogen. [2]

  4. Titanium dioxide - Wikipedia

    en.wikipedia.org/wiki/Titanium_dioxide

    Titanium dioxide, also known as titanium(IV) oxide or titania / t aɪ ˈ t eɪ n i ə /, is the inorganic compound derived from titanium with the chemical formula TiO 2 . When used as a pigment , it is called titanium white , Pigment White 6 ( PW6 ), or CI 77891 . [ 4 ]

  5. Nanodiamond - Wikipedia

    en.wikipedia.org/wiki/Nanodiamond

    In general, gaseous ozone treatment or solution-phase nitric acid oxidation is utilized to remove sp2 carbons and metal impurities. [ 10 ] Other than explosions, methods of production include hydrothermal synthesis, ion bombardment, laser heating, microwave plasma chemical vapor deposition techniques, ultrasound synthesis, [ 11 ] and ...

  6. Anatase - Wikipedia

    en.wikipedia.org/wiki/Anatase

    Nevertheless, anatase is often the first titanium dioxide phase to form in many processes due to its lower surface energy, with a transformation to rutile taking place at elevated temperatures. [7] Although the degree of symmetry is the same for both anatase and rutile phases, there is no relation between the interfacial angles of the two ...

  7. Nanochemistry - Wikipedia

    en.wikipedia.org/wiki/Nanochemistry

    Nanochemistry is an emerging sub-discipline of the chemical and material sciences that deals with the development of new methods for creating nanoscale materials. [1] The term "nanochemistry" was first used by Ozin in 1992 as 'the uses of chemical synthesis to reproducibly afford nanomaterials from the atom "up", contrary to the nanoengineering and nanophysics approach that operates from the ...

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