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一般說明
DNA quantitation is a common practice in molecular biology. Very often DNA is available in minute quantities and the traditional UV 260 nm absorbance method requires microgram quantities for reliable results. Accurate determination of DNA concentration, especially when DNA is present at low concentrations, is crucial for reproducible results in sequencing, cloning, transfection and DNA labeling.
特點和優勢
- Linear detection range 2 ng to 40 ng (100 – 2,000 ng/mL) calf thymus DNA.
- Compatible with high-throughput handling systems.
- Low interference. RNA, salt (up to 3M NaCl), detergent (< 0.01% SDS) and common DNA extraction buffer do not interfere in the assay.
適合性
The kit is suitable for quantitative determination of DNA in plasmid DNA, genomic DNA, cDNA, DNA following polymerase chain reaction, and DNA extracted from gel and other matrices.
原則
The DNA Assay Kit is designed to accurately measure nanogram quantities of plasmid DNA, cDNA, DNA following polymerase chain reaction (PCR), and DNA eluted from gels. The improved method utilizes Hoechst dye that binds specifically with double-stranded DNA. The fluorescence intensity, measured at λEx = 350 nm/λEm = 450 nm, is directly proportional to the DNA concentration in the sample. The optimized formulation substantially reduces interference by substances in the raw samples.
儲存類別代碼
10 - Combustible liquids
水污染物質分類（WGK）
WGK 1
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