Chemical fixation: This method is employed for stabilizing Organic samples. Chemical substances are utilized tocross link protein molecules with close by molecules. The most often used chemical in this process is glutaraldehyde.Vi?c l?a ch?n lo?i decal ?? in tem dán r?t quan tr?ng. ??i v?i các dòng s?n ph?m ???c b?o qu?n trong môi tr??ng nh? t?