Abstract
A NEW method of providing dyes for some of the commoner staining procedures has been developed and tested. A small volume of the required dye solution is prepared according to the appropriate formula. The fluid is placed in a large dish, and rounds of No. 4 Whatman filter paper are soaked in it. After a few seconds the paper is removed by means of flat forceps and hung over a glass rod to dry. The dye-paper is then cut into suitable ‘chips’—papers 1½ in. long by ¾ in. wide are found to give good results. One round of 11 cm. diameter paper will provide a useful number of dye-papers which can be stapled together in the form of a booklet, with a plain paper cover. The dye-papers do not stain dry fingers and they can be made by unskilled labour in any laboratory.
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Gray, P. H. H., J. Bact., 12, 273 (1926); 45, 301 (1943).
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GRAY, P. A New Method in Staining Bacteria on Microscope Slides. Nature 171, 1030 (1953). https://doi.org/10.1038/1711030a0
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DOI: https://doi.org/10.1038/1711030a0
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