Acridine Orange base is a cell-permeable fluorescent dye primarily utilized for staining nucleic acids in various organisms, including bacteria, parasites, and viruses. This dye exhibits distinct fluorescence characteristics; it emits green light when bound to double-stranded DNA (Ex=488 nm, Em=520-524 nm) and red light when associated with single-stranded DNA or RNA (Ex=457 nm, Em=630-644 nm). Acridine Orange base is particularly valuable in fluorescence microscopy for distinguishing human cells under acidic conditions (pH=3.5) and is widely employed in cell cycle assays.
Acridine Orange base is a cell-permeable fluorescent dye primarily utilized for staining nucleic acids in various organisms, including bacteria, parasites, and viruses. This dye exhibits distinct fluorescence characteristics; it emits green light when bound to double-stranded DNA (Ex=488 nm, Em=520-524 nm) and red light when associated with single-stranded DNA or RNA (Ex=457 nm, Em=630-644 nm). Acridine Orange base is particularly valuable in fluorescence microscopy for distinguishing human cells under acidic conditions (pH=3.5) and is widely employed in cell cycle assays.
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