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The combined application of brain tissue and smoke produces soft and pliable buckskin leather, with a dark honey color. This treatment differs from the traditional tanning methods used in other societies and cultures and is thought to be preferable to vegetable tanning methods where tannins are exclusively used. [ 1 ]
Tanning, or hide tanning, is the process of treating skins and hides of animals to produce leather. A tannery is the place where the skins are processed. Historically, vegetable based tanning used tannin, an acidic chemical compound derived from the bark of certain trees, in the production of leather. An alternative method, developed in the ...
Tanning may refer to: Tanning (leather), treating animal skins to produce leather; Sun tanning, using the sun to darken pale skin Indoor tanning, the use of artificial light in place of the sun; Sunless tanning, application of a stain or dye to the skin (active ingredient in tanning lotion products is dihydroxyacetone (DHA)).
According to SynapseWeb, [3] this is the recipe for Golgi's staining technique: Immerse a block (approx. 10x5 mm) of formaldehyde-fixed (or paraformaldehyde- glutaraldehyde-perfused) brain tissue into a 2% aqueous solution of potassium dichromate for 2 days; Dry the block shortly with filter paper.
This was done by placing the skin in a pit on top of ground tanning material and covered by additional ground tanning material. This process would be repeated until the pit was nearly full. Tanning materials were dependent on the local landscape and were mostly composed of tree matter (oak, birch, willow, spruce, etc.).
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A tanner treating leather in Morocco. Bating is a technical term used in the tanning industry to denote leather that has been treated with hen or pigeon manure, similar to puering (see puer) where the leather has been treated with dog excrement, and which treatment, in both cases, was performed on the raw hide prior to tanning in order to render the skins, and the subsequent leather, soft and ...
Indoor tanning lotions accelerate the tanning process, by promoting the production of melanin. [1] Increasing blood flow to the skin is a proposed mechanism, which may in turn stimulate production of melanin by melanocytes. [2] Historically, indoor tanning lotions have contained no sunscreen and offer no protection from the sun. However, many ...