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  2. Microneedles - Wikipedia

    en.wikipedia.org/wiki/Microneedles

    Microneedles (MNs) are medical tools used for microneedling, primarily in drug delivery, disease diagnosis, and collagen induction therapy. Known for their minimally invasive and precise nature, MNs consist of arrays of micro-sized needles ranging from 25μm to 2000μm. Although the concept of microneedling was first introduced in the 1970s ...

  3. Aqua regia - Wikipedia

    en.wikipedia.org/wiki/Aqua_regia

    Aqua regia (/ ˈreɪɡiə, ˈriːdʒiə /; from Latin, "regal water" or "royal water") is a mixture of nitric acid and hydrochloric acid, optimally in a molar ratio of 1:3. [b] Aqua regia is a fuming liquid. Freshly prepared aqua regia is colorless, but it turns yellow, orange or red within seconds from the formation of nitrosyl chloride and ...

  4. Inoculation needle - Wikipedia

    en.wikipedia.org/wiki/Inoculation_needle

    An inoculation needle is a laboratory equipment used in the field of microbiology to transfer and inoculate living microorganisms. [1][full citation needed] It is one of the most commonly implicated biological laboratory tools and can be disposable or re-usable. [1] A standard reusable inoculation needle is made from nichrome or platinum wire ...

  5. Metal ions in aqueous solution - Wikipedia

    en.wikipedia.org/wiki/Metal_ions_in_aqueous_solution

    A metal ion in aqueous solution or aqua ion is a cation, dissolved in water, of chemical formula [M (H 2 O) n] z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li + and Be 2+ and 6 for most elements in periods 3 and 4 of the periodic table. Lanthanide and actinide aqua ions have higher solvation numbers ...

  6. Colloidal gold - Wikipedia

    en.wikipedia.org/wiki/Colloidal_gold

    Colloidal gold is a sol or colloidal suspension of nanoparticles of gold in a fluid, usually water. [1] The colloid is coloured usually either wine red (for spherical particles less than 100 nm) or blue-purple (for larger spherical particles or nanorods). [2]

  7. Vegetarian diets can protect against diabetes, cardiovascular ...

    www.aol.com/vegetarian-diets-protect-against...

    Two review studies published in October 2024 highlight that vegetarian and vegan diets can be beneficial for individuals with type 2 diabetes and may lower heart disease risk across the general ...

  8. Chloroauric acid - Wikipedia

    en.wikipedia.org/wiki/Chloroauric_acid

    Chloroauric acid is an inorganic compound with the chemical formula H [AuCl4]. It forms hydrates H [AuCl4]·nH2O. Both the trihydrate and tetrahydrate are known. Both are orange-yellow solids consisting of the planar [AuCl4]− anion.

  9. Download, install, or uninstall AOL Desktop Gold

    help.aol.com/articles/aol-desktop-downloading...

    Uninstall Desktop Gold. Still need help? Call paid premium support at 1-800-358-4860 to get live expert help from AOL Customer Care. Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.