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蚂蚁淘在线 / 品牌中心 / Molecular Dimensions / Molecular Dimensions/Elite Magnite Green DNA stain (1 mL)/PAL-E-MGS-100
商品描述
Exclusively available from Protein Ark, the Elite Magnite Green DNA stain is compatible with a wide variety of gel reading instruments.
- Fluorescence emision in the green gion of the spectrum when bound to ssDNA, dsDNA and RNA
- Suitable for use with precast agarose gels.
- Fluorescence characteristics:
- Two secondary fluorescence exitation peaks (~270 nm and ~290 nm)
- One strong excitation peak (~490 nm)
- Fluorescence emission centred at ~530 nm
Abstract Quantum chemistry method was used to calculate the geometry structure of heavy oil character molecule. The method to calculate the minimum cross-sectional diameter of heavy oil character molecule and to show the molecular dimension was brought forward, which was used to predict the minimum cross-sectional diameter of some typical heavy oil character molecules. It is shown that the theory calculated result was consistent with experimental date. The minimum cross-sectional diameters of Daqing first cut (DQ-fcut) , middle cut (DQ-mcut) and end cut (DQ-endcut) were 1.8703, 3.0080 and 3.4929nm, respectively, meaning that these kinds of heavy oil molecules are too big to enter the sieve pore of zeolites, so they could be only cracked on the surface of zeolite. These research results can offer some useful theory basis to the selection and synthesis of zeolites.
