The 1 kb PLUS^TM is composed of 14 individual DNA fragments: 25K, 10K, 8K, 6K, 5K, 4K, 3K, 2.5K, 2K, 1500, 1000, 750, 500, 250 base pairs. This product contains two enhanced bands (3K and 1K bp) for easy reference.The ladder is ready-to-use, and is premixed with loading buffer dye for direct loading on gel.

Loading dye contains orange G & xylene cyanol FF as tracking dyes.

Range: 250bp - 25kb

Number of bands: 14

Recommended Load: 5 μl/well (0.5 μg)Stable for shipping at ambient temperatures

Storage/Handling: Store at 25°C for 6 months. Store at -20°C for 24 months.

Comparison between 1 kb and 1 kb PLUS ladders

Guide to Choosing Your DNA Ladder

★活体技术荧光检测荧光蛋白标记适用于标记细胞、病毒、基因等，通常使用的是 GFP、EGFP、RFP（DsRed）等；荧光染料标记适用于标记抗体、多肽、小分子药物等；常用的有 Cy3、Cy5、Cy5.5 及 Cy7量子点标记（新的标记方法）适用于标记肿瘤，主要应用在活细胞实时动态荧光观察与成像；量子点（quantum dot) 是一种能发射荧光的半导体纳米微晶体，外观恰似一极小的点状物。量子点荧光比有机荧光染料的发射光强的 20 倍，稳定性强 100 倍以上，具有荧光发光光谱较窄、量子产率高、不易漂白、激发光谱宽、颜色可调，并且光化学稳定性高，不易分解等诸多优点。