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  2. India ink - Wikipedia

    en.wikipedia.org/wiki/India_ink

    India ink (British English: Indian ink; [1] also Chinese ink) is a simple black or coloured ink once widely used for writing and printing and now more commonly used for drawing and outlining, especially when inking comic books and comic strips. India ink is also used in medical applications.

  3. Negative stain - Wikipedia

    en.wikipedia.org/wiki/Negative_stain

    For bright-field microscopy, negative staining is typically performed using a black ink fluid such as nigrosin and India ink.The specimen, such as a wet bacterial culture spread on a glass slide, is mixed with the negative stain and allowed to dry.

  4. Staining - Wikipedia

    en.wikipedia.org/wiki/Staining

    This can be achieved by smearing the sample onto the slide and then applying nigrosin (a black synthetic dye) or India ink (an aqueous suspension of carbon particles). After drying, the microorganisms may be viewed in bright field microscopy as lighter inclusions well-contrasted against the dark environment surrounding them. [ 6 ]

  5. Purple fingers and indelible ink are the hallmarks of India's ...

    www.aol.com/news/purple-fingers-indelible-ink...

    For decades, India has used the ink, made primarily from silver nitrate, to mark voters after they have cast their ballot to prevent duplicate votes and fraud. Founded in 1937, Mysore Paints And ...

  6. Nigrosin - Wikipedia

    en.wikipedia.org/wiki/Nigrosin

    Structure of a major component of the dye nigrosin. In staining dyes, nigrosin (CI 50415, Solvent black 5) is a mixture of black synthetic dyes made by heating a mixture of nitrobenzene, aniline, and hydrochloric acid in the presence of copper or iron. [1] Related to induline, it is a mixture of phenazine-based compounds.

  7. Printing industry in India - Wikipedia

    en.wikipedia.org/wiki/Printing_industry_in_India

    The printing industry in India [1] is an important industry in that country. [2] Printing means to produce reproductions of written material or images in multiple copies. There are four traditional types of printing: relief printing (with which this article is mainly concerned), intaglio, lithography, and screen process printing.

  8. Here’s Exactly How Much Protein You Need To Build 1 ... - AOL

    www.aol.com/exactly-much-protein-build-1...

    When it comes to protein powder vs. whole foods, it depends on your lifestyle. Protein powders are super convenient for hitting your protein goals, especially on a high-protein diet, and they can ...

  9. Could AMD Be the Nvidia of 2025?

    www.aol.com/could-amd-nvidia-2025-210500400.html

    Image Source: Getty Images. Why 2025 could be a pivotal year for AMD. Much of the reason why Nvidia experienced such enormous growth in its data center business stems from the fact that the ...

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