A method of separating polynucleotides such as DNA RNA and PNA from a solution containing polynucleotides by reversibly and nonspecifically binding the polynucleotides to a solid surface such as a magnetic microparticle having a functional groupcoated surface is disclosed The salt and polyalkylene glycol concentration of the solution is adjusted to levels which result in polynucleotide.
Jaw crusher is the vital equipment in crushing industry.Detail
Roll crusher (roller crusher) is suitable for the fine crushing of the materials with feeding size less than 110mm, and finished particle size 3-30mm.Detail
Sand maker is also known as impact crusher or sand making machine.Detail
Ball mill is the vital equipment for recrushing after being crushed.Detail
Circular vibrating screen is mainly used to screen the dry materials used for metallurgy, coal, ore, etc.Detail
Raymond mill is also known as Raymond, Raymond machine.Detail