Objective To study the influence of different DNA extraction methods combined different PCR cycle Numbers on STR analysis from trace bloodstain on various carrier often seen in forensic area.
目的探讨常见载体上的微量血痕dna的提取方法、P CR循环次数对STR扩增成功率的影响。
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Conclusion: The optimum extraction process is achieved, which is stable, feasible, energy-saving, short production cycle, high extraction efficiency, suitable for industrialization.
结论：该工艺稳定、可行、节能，生产周期短，提取效率高，适于工业化生产。
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As the pump rotor continuous rotation, the above cycle of suction and exhaust process and the achievement of the purpose of the pump continuous extraction.