Chemical fixation: This technique is used for stabilizing Organic samples. Chemical substances are utilised tocross link protein molecules with close by molecules. The most frequently used chemical in this technique is glutaraldehyde.C?u t?o c?a chúng bao g?m two ph?n riêng bi?t ph?n decal và ph?n d?. M?i ph?n l?i ???c chia ra làm 2 l?p: Ph?n d