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Example of India ink on paper, Zeedijk by Gustaaf Sorel, (1939) 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.
The manufacture of India ink was well-established by the Cao Wei dynasty (220–265 AD). [13] Indian documents written in Kharosthi with ink have been unearthed in Xinjiang. [14] The practice of writing with ink and a sharp pointed needle was common in early South India. [2] Several Buddhist and Jain sutras in India were compiled in ink. [3]
Under the microscope, the India ink stain is used for easy visualization of the capsule in cerebral spinal fluid. [10] The particles of ink pigment do not enter the capsule that surrounds the spherical yeast cell, resulting in a zone of clearance or "halo" around the cells. This allows for quick and easy identification of C. neoformans.
Mysore Paints and Varnish Limited, formerly Mysore Lac and Paints Limited, is a company located in the southern Indian city of Mysore, Karnataka.It is the only company in India authorised to produce indelible ink, which is used in elections to prevent people from voting multiple times.
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 ...
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.
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 ]
Higgins was the inventor of Higgins American India Ink. [1] He operated the Charles M. Higgins Company to manufacture the drawing ink he invented. [1] Higgins married Alexandra Fransioli in 1899 and they had three children. [1] He was a founding member of the Kings County Historical Society. [1] He opposed vaccination and was also an anti ...