The use of flow cytometry to determine cellular DNA content, whether for ploidy analysis or for measuring absolute DNA amount and genome size, has steadily increased over recent decades. Traditional methods such as chromosome counting and densitometry have been almost completely replaced by flow cytometric techniques. The analysis of nuclear DNA has been revolutionized through the use of flow cytometers and fluorescent staining of cell nuclei. Significantly faster, more accurate and more convenient, flow cytometry has become the gold standard for such measurements.

Sysmex Partec has been an integral part of this success story from the very beginning. As the only manufacturer of flow cytometers, the company purposefully adapted the capabilities of flow cytometry technology to instruments, reagents, and software specifically developed for determining ploidy and genome size – actively driving application-oriented research and industrial implementation. The product portfolio available today from Sysmex Partec for ploidy and genome size determination reflects over 50 years of close collaboration with users. It is precisely tailored to the needs of diverse user groups—from industrial applications in plant and seed production and aquaculture to scientific research in breeding and other biological disciplines.

For example, in quality control during seed and plant production, speed and reliability in ploidy determination are crucial. Our products, such as the new RP-Analyzer and Autoloader series, have been designed to meet exactly these demands – precise as always, ultra-fast, and highly automated. Combined with our proven reagents, including CyStain™ UV Precise P, CyStain™ UV Ploidy, and CyStain™ UV OxProtect, instruments and chemistry together form an unbeatable combination.

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