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Lugol's iodine is a liquid made up of two parts potassium iodide for every one part elemental iodine in water. [8] Lugol's iodine was first made in 1829 by the French physician Jean Lugol. [7] [8] It is on the World Health Organization's List of Essential Medicines. [9] [10] Lugol's iodine is available as a generic medication and over the ...
Lugol's iodine solution is always added after addition of crystal violet to form a stable complex with crystal violet that strengthen the bonds of the stain with the cell wall. [ 4 ] Gram staining is almost always the first step in the identification of a bacterial group.
Lugol's solution or Lugol's iodine (IKI) is a brown solution that turns black in the presence of starches and can be used as a cell stain, making the cell nuclei more visible. Used with common vinegar (acetic acid), Lugol's solution is used to identify pre-cancerous and cancerous changes in cervical and vaginal tissues during "Pap smear" follow ...
Ferric subsulfate (also known as Monsel's solution) is often used by Jewish burial societies (chevra kadisha) to stop post-mortem bleeding.Since Jewish burial does not allow any external skin adhesives such as bandages, tape, glue or resin, ferric subsulfate is an effective way to stop post-mortem bleeding.
Unlike the Wolff–Chaikoff effect, the Plummer effect does not prevent the thyroid from taking up radioactive iodine, e.g. in the case of nuclear emergencies.Therefore, "plummering" with high-dose iodine is only effective in a short time window after the release of radionuclides. [9]
In the latter case, an overlay of blue and red can be observed in Lugol's solution without KOH pretreatment: a color change from blue to dirty reddish-brown occurs when the iodine reagent slowly diffuses into the water preparation, because the euamyloid reaction appears at lower iodine concentrations than the hemiamyloid reaction.
Lugol's iodine: iodine and iodide in water alone, forming mostly triiodide. Unlike tincture of iodine, Lugol's iodine has a minimised amount of the free iodine (I 2) component. Iodine glycerin, a preparation used in dentistry. Povidone iodine (an iodophor).
The image on the right stains with Lugol's iodine, and identifies a squamous cell carcinoma, which does not pick up the stain. Chromoendoscopy is a medical procedure wherein dyes (often the same stains used in histology ) are instilled into the gastrointestinal tract at the time of visualization with fibre-optic endoscopy .