The biochemical methods usually were used to measure the content of cellular DNA. In these procedures the DNA must be separated from cells and purified before quantitative deter mination. But there are many difficulti...The biochemical methods usually were used to measure the content of cellular DNA. In these procedures the DNA must be separated from cells and purified before quantitative deter mination. But there are many difficulties in separation and purification of cellular DNA by those overloading procedures. In the last decade, microspectrophotometry appeared展开更多
文摘The biochemical methods usually were used to measure the content of cellular DNA. In these procedures the DNA must be separated from cells and purified before quantitative deter mination. But there are many difficulties in separation and purification of cellular DNA by those overloading procedures. In the last decade, microspectrophotometry appeared
