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25 kb DNA 分子量标准
DNA Ladder
DM4100 ExcelBand XL 25 kb DNA分子量标记为直接使用型产品，内含14条DNA 条带，为方便目测，于3 kb及1 kb两条带增量，以快速辨别片段大小；并已预先混合1 x DNA上样缓冲液与追踪染料Xylene cyanol FF 及 Bromophenol blue，以实时监控并模拟4,000 bp及500 bp双链DNA条带泳动进度。The DM4100 ExcelBand XL 25 kb DNA Ladder is a ready-to-use DNA ladder, which is pre-mixed with loading dye for direct loading on gel. The DNA Ladder DM4100 is composed of 14 individual DNA fragments: 25k, 10k, 8k, 6k, 5k, 4k, 3k, 2.5k, 2k, 1.5k, 1k, 750, 500, and 250 base pairs derived from a mixture of PCR products and specifically digested plasmid DNA. This product contains two enhanced bands (3 kb and 1 kb) for easy referencing. In addition, two tracking dyes, Xylene cyanol FF and Bromophenol blue which mimic the migration of 4,000 bp and 500 bp dsDNA during electrophoresis are also added for real time monitoring.
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