SYBR Green qPCR dye is frequently used in quantitative PCR to enable real-time detection of amplified DNA products. This fluorescent dye binds specifically to double-stranded DNA, and its fluorescence increases proportionally as the DNA product accumulates during each PCR cycle. Because it does not require sequence-specific probes, SYBR Green is a cost-effective option for gene expression studies, DNA quantification, and general qPCR applications. It is widely chosen for research workflows that demand sensitivity, simplicity, and consistent amplification results across multiple gene targets.