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  2. Titanium dioxide nanoparticle - Wikipedia

    en.wikipedia.org/wiki/Titanium_dioxide_nanoparticle

    Doping TiO 2 with certain atoms its photocatalytic activity could be enhanced. [8] In contrast, pigment-grade TiO 2 usually has a median particle size in the 200–300 nm range. [6]: 1–2 Because TiO 2 powders contain a range of sizes, they may have a fraction of nanoscale particles even if the average particle size is larger. [9]

  3. 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]

  4. Protein nanoparticles - Wikipedia

    en.wikipedia.org/wiki/Protein_nanoparticles

    Protein nanotechnology is a field of research that integrates the diverse physicochemical properties of proteins with nanoscale technology. This field assimilated into pharmaceutical research to give rise to a new classification of nanoparticles termed protein (or protein-based) nanoparticles (PNPs).

  5. Protein structure - Wikipedia

    en.wikipedia.org/wiki/Protein_structure

    The generation of a protein sequence is much easier than the determination of a protein structure. However, the structure of a protein gives much more insight in the function of the protein than its sequence. Therefore, a number of methods for the computational prediction of protein structure from its sequence have been developed. [39]

  6. Ribbon diagram - Wikipedia

    en.wikipedia.org/wiki/Ribbon_diagram

    Ribbon diagrams, also known as Richardson diagrams, are 3D schematic representations of protein structure and are one of the most common methods of protein depiction used today. The ribbon depicts the general course and organization of the protein backbone in 3D and serves as a visual framework for hanging details of the entire atomic structure ...

  7. Protein topology - Wikipedia

    en.wikipedia.org/wiki/Protein_topology

    In biology literature, the term topology is also used to refer to mutual orientation of regular secondary structures, such as alpha-helices and beta strands in protein structure [3]. For example, two adjacent interacting alpha-helices or beta-strands can go in the same or in opposite directions.

  8. Protein contact map - Wikipedia

    en.wikipedia.org/wiki/Protein_contact_map

    A protein contact map represents the distance between all possible amino acid residue pairs of a three-dimensional protein structure using a binary two-dimensional matrix. For two residues i {\displaystyle i} and j {\displaystyle j} , the i j {\displaystyle ij} element of the matrix is 1 if the two residues are closer than a predetermined ...

  9. Self-assembly of nanoparticles - Wikipedia

    en.wikipedia.org/wiki/Self-assembly_of_nanoparticles

    Nanoparticles are classified as having at least one of its dimensions in the range of 1-100 nanometers (nm). [2] The small size of nanoparticles allows them to have unique characteristics which may not be possible on the macro-scale. Self-assembly is the spontaneous organization of smaller subunits to form larger, well-organized patterns. [3]