Chemical fixation: This process is useful for stabilizing Organic samples. Chemical substances are used tocross website link protein molecules with close by molecules. The most frequently utilised 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 two l