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Ligands may interact with DNA by covalently binding, electrostatically binding, or intercalating. [1] Intercalation occurs when ligands of an appropriate size and chemical nature fit themselves in between base pairs of DNA. These ligands are mostly polycyclic, aromatic, and planar, and therefore often make good nucleic acid stains.
[citation needed] The dyes grant fluorescence to DNA and RNA under 300 nm UV light. This occurs due to their intercalating nature. In double helical nucleic acids, the dyes bind between two strands, and in single-stranded nucleic acids, the dyes bind short, duplex segments formed within a strand. [citation needed] Chemical structure of Ethidium ...
One of the largest and most diverse uses of the intercalation process by the early 2020s is in lithium-ion electrochemical energy storage, in the batteries used in many handheld electronic devices, mobility devices, electric vehicles, and utility-scale battery electric storage stations.
In this application, crystal violet works as an intercalating dye and allows the quantification of DNA which is proportional to the number of cells. [citation needed] The dye is used as a histological stain, particularly in Gram staining for classifying bacteria. [13] In forensics, crystal violet was used to develop fingerprints. [14]
Acridine orange is an organic compound that serves as a nucleic acid-selective fluorescent dye with cationic properties useful for cell cycle determination. Acridine orange is cell-permeable, which allows it to interact with DNA by intercalation, or RNA via electrostatic attractions.
Ethidium bromide (or homidium bromide, [2] chloride salt homidium chloride) [3] [4] is an intercalating agent commonly used as a fluorescent tag (nucleic acid stain) in molecular biology laboratories for techniques such as agarose gel electrophoresis.
To follow the transition of dsDNA (double-stranded) to ssDNA (single-stranded), intercalating dyes are employed. These dyes show differential fluorescence emission dependent on their association with double-stranded or single-stranded DNA. SYBR Green I is a first generation dye for HRM. It fluoresces when intercalated into dsDNA and not ssDNA.
SYBR Green I (SG) is an asymmetrical cyanine dye [1] used as a nucleic acid stain in molecular biology. The SYBR family of dyes is produced by Molecular Probes Inc., now owned by Thermo Fisher Scientific. SYBR Green I binds to DNA. The resulting DNA-dye-complex best absorbs 497 nanometer blue light (λ max = 497 nm) and emits green light (λ ...
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