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  2. Rifampicin - Wikipedia

    en.wikipedia.org/wiki/Rifampicin

    In August 2020, the U.S. Food and Drug Administration (FDA) became aware of nitrosamine impurities in certain samples of rifampin. [61] The FDA and manufacturers are investigating the origin of these impurities in rifampin, and the agency is developing testing methods for regulators and industry to detect the 1-methyl-4-nitrosopiperazine (MNP ...

  3. Lapidary medicine - Wikipedia

    en.wikipedia.org/wiki/Lapidary_Medicine

    The source of the idea of lapidary medicine stems from information found in lapidaries, books giving "information about the properties and virtues of precious and semi-precious stones." [1] These lapidaries not only provide understanding of the sale and production of items of lapidary medicine, but also provide information about common cultural ...

  4. Rifamycin - Wikipedia

    en.wikipedia.org/wiki/Rifamycin

    Rifampin rapidly kills fast-dividing bacilli strains as well as "persisters" cells, which remain biologically inactive for long periods of time that allow them to evade antibiotic activity. [7] In addition, rifabutin and rifapentine have both been used against tuberculosis acquired in HIV-positive patients.

  5. Gemstone - Wikipedia

    en.wikipedia.org/wiki/Gemstone

    A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments.

  6. National Treasure (Vietnam) - Wikipedia

    en.wikipedia.org/wiki/National_Treasure_(Vietnam)

    Hoang Ha bronze drum of Đông Sơn Culture (national treasure no. 2 – set 1). A National Treasure (Vietnamese: Bảo vật quốc gia) or a national precious object [1] is a tangible cultural heritage or object handed down from the past with historical, cultural or scientific value of exceptional significance to the country of Vietnam. [2]

  7. Precious stones - Wikipedia

    en.wikipedia.org/?title=Precious_stones&redirect=no

    What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code

  8. List of gemstones by species - Wikipedia

    en.wikipedia.org/wiki/List_of_gemstones_by_species

    Actinolite. Nephrite (var.); Adamite; Aegirine; Afghanite; Agrellite; Algodonite; Alunite; Amblygonite; Analcime; Anatase; Andalusite. Chiastolite; Andesine ...

  9. Precious stone (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Precious_Stone...

    A precious stone is another term for a gemstone. Precious Stone or Precious Stones may also refer to: Precious Stone, a fictional character in the James Bond story Hurricane Gold; Precious Stone (religious group), an African-initiated church; Precious Stones, a 1918 German silent drama film