Relevant knowledge of material and fixation of yankakken nama daskararre

1. Hanyar gyara ƙananan nama: Wannan hanya ce da aka saba amfani da ita. Ƙananan nama da aka cire daga dabba ta wurin daskararren nama mai daskararre dole ne a sanya shi nan da nan a cikin gyaran ruwa don gyarawa. Yawancin lokaci, rabon samfurin zuwa gyarawa shine 1: 4 ~ 20;

2. Steam fixation method: For relatively small and thick specimens, osmium acid or formaldehyde vapor fixation method can be used. For blood smears, osmium acid or formaldehyde vapor should be used to fix the blood before drying;

3. Lokacin amfani da nama mai daskararre don slicing, abubuwan da muke amfani da su da yawa sune 10% formaldehyde fixative da 95% ethanol fixative;

4. Injection and perfusion fixation method: some tissue blocks are too large or the fixative is difficult to penetrate into the interior, or the entire organ or the entire animal body needs to be fixed;

5. Adopt injection fixation or perfusion fixation method to inject the fixative into the blood vessel and reach the whole tissue and the whole body through the branch of the blood vessel, so as to obtain sufficient fixation.

Don taƙaitawa, zaɓi da gyare-gyaren daskararrun nama mai daskarewa yana buƙatar bin wasu buƙatu. Sassa daban-daban suna da buƙatu daban-daban. Hanyoyi daban-daban na gyaran gyare-gyare suna buƙatar kayan aiki daban-daban da fa’idodin yanayi. Hakazalika, bisa ga nau’in kayan aiki da kauri na naman daskararre da za a yanke, ana iya ɗaukar kayan kuma a gyara.